static void
draw (cairo_t *cr,
int width,
int height)
{
cairo_surface_t *overlay, *punch, *circles;
cairo_t *overlay_cr, *punch_cr, *circles_cr;
/* Fill the background */
double radius = 0.5 * (width < height ? width : height) - 10;
double xc = width / 2.;
double yc = height / 2.;
overlay = cairo_surface_create_similar (cairo_get_target (cr),
CAIRO_CONTENT_COLOR_ALPHA,
width, height);
if (overlay == NULL)
return;
punch = cairo_surface_create_similar (cairo_get_target (cr),
CAIRO_CONTENT_ALPHA,
width, height);
if (punch == NULL)
return;
circles = cairo_surface_create_similar (cairo_get_target (cr),
CAIRO_CONTENT_COLOR_ALPHA,
width, height);
if (circles == NULL)
return;
fill_checks (cr, 0, 0, width, height);
/* Draw a black circle on the overlay
*/
overlay_cr = cairo_create (overlay);
cairo_set_source_rgb (overlay_cr, 0., 0., 0.);
oval_path (overlay_cr, xc, yc, radius, radius);
cairo_fill (overlay_cr);
/* Draw 3 circles to the punch surface, then cut
* that out of the main circle in the overlay
*/
punch_cr = cairo_create (punch);
draw_3circles (punch_cr, xc, yc, radius, 1.0);
cairo_destroy (punch_cr);
cairo_set_operator (overlay_cr, CAIRO_OPERATOR_DEST_OUT);
cairo_set_source_surface (overlay_cr, punch, 0, 0);
cairo_paint (overlay_cr);
/* Now draw the 3 circles in a subgroup again
* at half intensity, and use OperatorAdd to join up
* without seams.
*/
circles_cr = cairo_create (circles);
cairo_set_operator (circles_cr, CAIRO_OPERATOR_OVER);
draw_3circles (circles_cr, xc, yc, radius, 0.5);
cairo_destroy (circles_cr);
cairo_set_operator (overlay_cr, CAIRO_OPERATOR_ADD);
cairo_set_source_surface (overlay_cr, circles, 0, 0);
cairo_paint (overlay_cr);
cairo_destroy (overlay_cr);
cairo_set_source_surface (cr, overlay, 0, 0);
cairo_paint (cr);
cairo_surface_destroy (overlay);
cairo_surface_destroy (punch);
cairo_surface_destroy (circles);
}
bool wxGTKCairoDCImpl::DoStretchBlit(int xdest, int ydest, int dstWidth, int dstHeight, wxDC* source, int xsrc, int ysrc, int srcWidth, int srcHeight, wxRasterOperationMode rop, bool useMask, int xsrcMask, int ysrcMask)
{
wxCHECK_MSG(IsOk(), false, "invalid DC");
wxCHECK_MSG(source && source->IsOk(), false, "invalid source DC");
cairo_t* cr = NULL;
if (m_graphicContext)
cr = static_cast<cairo_t*>(m_graphicContext->GetNativeContext());
cairo_t* cr_src = NULL;
wxGraphicsContext* gc_src = source->GetGraphicsContext();
if (gc_src)
cr_src = static_cast<cairo_t*>(gc_src->GetNativeContext());
if (cr == NULL || cr_src == NULL)
return false;
const int xsrc_dev = source->LogicalToDeviceX(xsrc);
const int ysrc_dev = source->LogicalToDeviceY(ysrc);
cairo_surface_t* surfaceSrc = cairo_get_target(cr_src);
cairo_surface_flush(surfaceSrc);
cairo_surface_t* surfaceTmp = NULL;
// If destination (this) and source wxDC refer to the same Cairo context
// it means that we operate on one surface and results of drawing
// can be invalid if destination and source regions overlap.
// In such situation we have to copy source surface to the temporary
// surface and use this copy in the drawing operations.
if ( cr == cr_src )
{
// Check if destination and source regions overlap.
// If necessary, copy source surface to the temporary one.
if (wxRect(xdest, ydest, dstWidth, dstHeight)
.Intersects(wxRect(xsrc, ysrc, srcWidth, srcHeight)))
{
const int w = cairo_image_surface_get_width(surfaceSrc);
const int h = cairo_image_surface_get_height(surfaceSrc);
#if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 12, 0)
if ( cairo_version() >= CAIRO_VERSION_ENCODE(1, 12, 0) )
{
surfaceTmp = cairo_surface_create_similar_image(surfaceSrc,
cairo_image_surface_get_format(surfaceSrc),
w, h);
}
else
#endif // Cairo 1.12
{
surfaceTmp = cairo_surface_create_similar(surfaceSrc,
CAIRO_CONTENT_COLOR_ALPHA,
w, h);
}
cairo_t* crTmp = cairo_create(surfaceTmp);
cairo_set_source_surface(crTmp, surfaceSrc, 0, 0);
cairo_rectangle(crTmp, 0.0, 0.0, w, h);
cairo_set_operator(crTmp, CAIRO_OPERATOR_SOURCE);
cairo_fill(crTmp);
cairo_destroy(crTmp);
cairo_surface_flush(surfaceTmp);
surfaceSrc = surfaceTmp;
}
}
cairo_save(cr);
cairo_translate(cr, xdest, ydest);
cairo_rectangle(cr, 0, 0, dstWidth, dstHeight);
double sx, sy;
source->GetUserScale(&sx, &sy);
cairo_scale(cr, dstWidth / (sx * srcWidth), dstHeight / (sy * srcHeight));
cairo_set_source_surface(cr, surfaceSrc, -xsrc_dev, -ysrc_dev);
const wxRasterOperationMode rop_save = m_logicalFunction;
SetLogicalFunction(rop);
cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_NEAREST);
cairo_surface_t* maskSurf = NULL;
if (useMask)
{
const wxBitmap& bitmap = source->GetImpl()->GetSelectedBitmap();
if (bitmap.IsOk())
{
wxMask* mask = bitmap.GetMask();
if (mask)
maskSurf = *mask;
}
}
if (maskSurf)
{
int xsrcMask_dev = xsrc_dev;
int ysrcMask_dev = ysrc_dev;
if (xsrcMask != -1)
xsrcMask_dev = source->LogicalToDeviceX(xsrcMask);
if (ysrcMask != -1)
ysrcMask_dev = source->LogicalToDeviceY(ysrcMask);
cairo_clip(cr);
cairo_mask_surface(cr, maskSurf, -xsrcMask_dev, -ysrcMask_dev);
}
else
{
cairo_fill(cr);
}
cairo_restore(cr);
if ( surfaceTmp )
{
cairo_surface_destroy(surfaceTmp);
}
m_logicalFunction = rop_save;
return true;
}
void
_gtk_pixel_cache_set_position (GtkPixelCache *cache,
cairo_rectangle_int_t *view_rect,
cairo_rectangle_int_t *canvas_rect)
{
cairo_rectangle_int_t r, view_pos;
cairo_region_t *copy_region;
int new_surf_x, new_surf_y;
cairo_t *backing_cr;
if (cache->surface == NULL)
return;
/* Position of view inside canvas */
view_pos.x = -canvas_rect->x;
view_pos.y = -canvas_rect->y;
view_pos.width = view_rect->width;
view_pos.height = view_rect->height;
/* Reposition so all is visible */
if (view_pos.x < cache->surface_x ||
view_pos.x + view_pos.width >
cache->surface_x + cache->surface_w ||
view_pos.y < cache->surface_y ||
view_pos.y + view_pos.height >
cache->surface_y + cache->surface_h)
{
new_surf_x = cache->surface_x;
if (view_pos.x < cache->surface_x)
new_surf_x = MAX (view_pos.x + view_pos.width - cache->surface_w, 0);
else if (view_pos.x + view_pos.width >
cache->surface_x + cache->surface_w)
new_surf_x = MIN (view_pos.x, canvas_rect->width - cache->surface_w);
new_surf_y = cache->surface_y;
if (view_pos.y < cache->surface_y)
new_surf_y = MAX (view_pos.y + view_pos.height - cache->surface_h, 0);
else if (view_pos.y + view_pos.height >
cache->surface_y + cache->surface_h)
new_surf_y = MIN (view_pos.y, canvas_rect->height - cache->surface_h);
r.x = 0;
r.y = 0;
r.width = cache->surface_w;
r.height = cache->surface_h;
copy_region = cairo_region_create_rectangle (&r);
if (cache->surface_dirty)
{
cairo_region_subtract (copy_region, cache->surface_dirty);
cairo_region_destroy (cache->surface_dirty);
cache->surface_dirty = NULL;
}
cairo_region_translate (copy_region,
cache->surface_x - new_surf_x,
cache->surface_y - new_surf_y);
cairo_region_intersect_rectangle (copy_region, &r);
backing_cr = cairo_create (cache->surface);
gdk_cairo_region (backing_cr, copy_region);
cairo_set_operator (backing_cr, CAIRO_OPERATOR_SOURCE);
cairo_clip (backing_cr);
cairo_push_group (backing_cr);
cairo_set_source_surface (backing_cr, cache->surface,
cache->surface_x - new_surf_x,
cache->surface_y - new_surf_y);
cairo_paint (backing_cr);
cairo_pop_group_to_source (backing_cr);
cairo_paint (backing_cr);
cairo_destroy (backing_cr);
cache->surface_x = new_surf_x;
cache->surface_y = new_surf_y;
cairo_region_xor_rectangle (copy_region, &r);
cache->surface_dirty = copy_region;
}
}
static gboolean dt_iop_levels_area_draw(GtkWidget *widget, cairo_t *crf, gpointer user_data)
{
dt_iop_module_t *self = (dt_iop_module_t *)user_data;
dt_iop_levels_gui_data_t *c = (dt_iop_levels_gui_data_t *)self->gui_data;
dt_iop_levels_params_t *p = (dt_iop_levels_params_t *)self->params;
dt_develop_t *dev = darktable.develop;
const int inset = DT_GUI_CURVE_EDITOR_INSET;
GtkAllocation allocation;
gtk_widget_get_allocation(GTK_WIDGET(c->area), &allocation);
int width = allocation.width, height = allocation.height;
cairo_surface_t *cst = dt_cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cairo_t *cr = cairo_create(cst);
// clear bg
cairo_set_source_rgb(cr, .2, .2, .2);
cairo_paint(cr);
cairo_translate(cr, inset, inset);
width -= 2 * inset;
height -= 2 * inset;
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(1.0));
cairo_set_source_rgb(cr, .1, .1, .1);
cairo_rectangle(cr, 0, 0, width, height);
cairo_stroke(cr);
cairo_set_source_rgb(cr, .3, .3, .3);
cairo_rectangle(cr, 0, 0, width, height);
cairo_fill(cr);
// draw grid
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(.4));
cairo_set_source_rgb(cr, .1, .1, .1);
if(dev->histogram_type == DT_DEV_HISTOGRAM_WAVEFORM)
dt_draw_waveform_lines(cr, 0, 0, width, height);
else
dt_draw_vertical_lines(cr, 4, 0, 0, width, height);
// Drawing the vertical line indicators
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(2.));
for(int k = 0; k < 3; k++)
{
if(k == c->handle_move && c->mouse_x > 0)
cairo_set_source_rgb(cr, 1, 1, 1);
else
cairo_set_source_rgb(cr, .7, .7, .7);
cairo_move_to(cr, width * p->levels[k], height);
cairo_rel_line_to(cr, 0, -height);
cairo_stroke(cr);
}
// draw x positions
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(1.));
const float arrw = DT_PIXEL_APPLY_DPI(7.0f);
for(int k = 0; k < 3; k++)
{
switch(k)
{
case 0:
cairo_set_source_rgb(cr, 0, 0, 0);
break;
case 1:
cairo_set_source_rgb(cr, 0.5, 0.5, 0.5);
break;
default:
cairo_set_source_rgb(cr, 1, 1, 1);
break;
}
cairo_move_to(cr, width * p->levels[k], height + inset - 1);
cairo_rel_line_to(cr, -arrw * .5f, 0);
cairo_rel_line_to(cr, arrw * .5f, -arrw);
cairo_rel_line_to(cr, arrw * .5f, arrw);
cairo_close_path(cr);
if(c->handle_move == k && c->mouse_x > 0)
cairo_fill(cr);
else
cairo_stroke(cr);
}
cairo_translate(cr, 0, height);
// draw lum histogram in background
// only if the module is enabled
if(self->enabled)
{
uint32_t *hist = self->histogram;
float hist_max = dev->histogram_type == DT_DEV_HISTOGRAM_LINEAR ? self->histogram_max[0]
: logf(1.0 + self->histogram_max[0]);
if(hist && hist_max > 0.0f)
{
cairo_save(cr);
cairo_scale(cr, width / 255.0, -(height - DT_PIXEL_APPLY_DPI(5)) / hist_max);
cairo_set_source_rgba(cr, .2, .2, .2, 0.5);
dt_draw_histogram_8(cr, hist, 4, 0, dev->histogram_type == DT_DEV_HISTOGRAM_LINEAR); // TODO: make draw
// handle waveform
// histograms
cairo_restore(cr);
}
}
// Cleaning up
cairo_destroy(cr);
cairo_set_source_surface(crf, cst, 0, 0);
cairo_paint(crf);
cairo_surface_destroy(cst);
return TRUE;
}
/* expose snapshot over center viewport */
void gui_post_expose(dt_lib_module_t *self, cairo_t *cri, int32_t width, int32_t height, int32_t pointerx, int32_t pointery)
{
dt_lib_snapshots_t *d = (dt_lib_snapshots_t *)self->data;
// convert to image coordinates:
const int32_t capwd = darktable.thumbnail_width;
const int32_t capht = darktable.thumbnail_height;
const int32_t width_i = d->vp_width;
const int32_t height_i = d->vp_height;
if(width_i > capwd) pointerx += (capwd-width_i) *.5f;
if(height_i > capht) pointery += (capht-height_i)*.5f;
if(d->snapshot_image)
{
d->vp_width = width;
d->vp_height = height;
/* check if mouse pointer is on draggable area */
double xp = pointerx/d->vp_width;
double yp = pointery/d->vp_height;
double xpt = xp*0.01;
double ypt = yp*0.01;
gboolean mouse_over_control = d->vertical ? ((xp > d->vp_xpointer-xpt && xp < d->vp_xpointer+xpt)?TRUE:FALSE) :
((yp > d->vp_ypointer-ypt && yp < d->vp_ypointer+ypt)?TRUE:FALSE);
/* set x,y,w,h of surface depending on split align and invert */
double x = d->vertical ? (d->inverted?width*d->vp_xpointer:0) : 0;
double y = d->vertical ? 0 : (d->inverted?height*d->vp_ypointer:0);
double w = d->vertical ? (d->inverted?(width * (1.0 - d->vp_xpointer)):width * d->vp_xpointer) : width;
double h = d->vertical ? height : (d->inverted?(height * (1.0 - d->vp_ypointer)):height * d->vp_ypointer);
cairo_set_source_surface(cri, d->snapshot_image, 0, 0);
//cairo_rectangle(cri, 0, 0, width*d->vp_xpointer, height);
cairo_rectangle(cri,x,y,w,h);
cairo_fill(cri);
/* draw the split line */
cairo_set_source_rgb(cri, .7, .7, .7);
cairo_set_line_width(cri, (mouse_over_control ? 2.0 : 0.5) );
if(d->vertical)
{
cairo_move_to(cri, width*d->vp_xpointer, 0.0f);
cairo_line_to(cri, width*d->vp_xpointer, height);
}
else
{
cairo_move_to(cri, 0.0f, height*d->vp_ypointer);
cairo_line_to(cri, width, height*d->vp_ypointer);
}
cairo_stroke(cri);
/* if mouse over control lets draw center rotate control, hide if split is dragged */
if(!d->dragging && mouse_over_control)
{
cairo_set_line_width(cri,0.5);
double s = width*HANDLE_SIZE;
dtgtk_cairo_paint_refresh(cri,
(d->vertical ? width*d->vp_xpointer : width*0.5)-(s*0.5),
(d->vertical ? height*0.5 : height*d->vp_ypointer)-(s*0.5),
s,s,d->vertical?1:0);
}
}
}
static void update_icon(ShowDesktopData* sdd)
{
GtkStyleContext *context;
GtkStateFlags state;
GtkBorder padding;
int width, height;
cairo_surface_t* icon;
cairo_surface_t* scaled;
int icon_size, icon_scale;
GError* error;
int thickness = 0;
if (!sdd->icon_theme)
return;
state = gtk_widget_get_state_flags (sdd->button);
context = gtk_widget_get_style_context (sdd->button);
gtk_style_context_get_padding (context, state, &padding);
switch (sdd->orient) {
case GTK_ORIENTATION_HORIZONTAL:
thickness = padding.top + padding.bottom;
break;
case GTK_ORIENTATION_VERTICAL:
thickness = padding.left + padding.right;
break;
}
icon_scale = gtk_widget_get_scale_factor (sdd->button);
icon_size = sdd->size * icon_scale - thickness;
if (icon_size < 22)
icon_size = 16;
else if (icon_size < 24)
icon_size = 22;
else if (icon_size < 32)
icon_size = 24;
else if (icon_size < 48)
icon_size = 32;
else if (icon_size < 64)
icon_size = 48;
else if (icon_size < 128)
icon_size = 64;
error = NULL;
icon = gtk_icon_theme_load_surface (sdd->icon_theme, SHOW_DESKTOP_ICON, icon_size, icon_scale, NULL, 0, &error);
if (icon == NULL)
{
g_printerr(_("Failed to load %s: %s\n"), SHOW_DESKTOP_ICON, error ? error->message : _("Icon not found"));
if (error)
{
g_error_free(error);
error = NULL;
}
gtk_image_set_from_icon_name (GTK_IMAGE (sdd->image), "image-missing", GTK_ICON_SIZE_SMALL_TOOLBAR);
return;
}
width = cairo_image_surface_get_width (icon);
height = cairo_image_surface_get_height (icon);
scaled = NULL;
/* Make it fit on the given panel */
switch (sdd->orient)
{
case GTK_ORIENTATION_HORIZONTAL:
width = (icon_size / icon_scale * width) / height;
height = icon_size / icon_scale;
break;
case GTK_ORIENTATION_VERTICAL:
height = (icon_size / icon_scale * height) / width;
width = icon_size / icon_scale;
break;
}
scaled = cairo_surface_create_similar (icon,
cairo_surface_get_content (icon),
width,
height);
if (scaled != NULL)
{
cairo_t *cr;
cr = cairo_create (scaled);
cairo_scale (cr, (double) width / icon_size, (double) height / icon_size);
cairo_set_source_surface (cr, icon, 0, 0);
cairo_paint (cr);
gtk_image_set_from_surface (GTK_IMAGE(sdd->image), scaled);
cairo_surface_destroy (scaled);
}
else
{
gtk_image_set_from_surface (GTK_IMAGE (sdd->image), icon);
}
cairo_surface_destroy (icon);
}
void wxSVGCanvasCairo::DrawCanvasImage(wxSVGCanvasImage& canvasImage, cairo_surface_t* cairoSurface,
wxSVGMatrix& matrix, const wxCSSStyleDeclaration& style, wxSVGSVGElement& svgElem) {
if (cairoSurface == NULL)
return;
cairo_save(m_cr);
// ClipPath
if (style.GetClipPath().GetCSSPrimitiveType() == wxCSS_URI && style.GetClipPath().GetStringValue().length() > 1) {
wxString clipPathId = style.GetClipPath().GetStringValue().substr(1);
wxSVGClipPathElement* clipPathElem = (wxSVGClipPathElement*) svgElem.GetElementById(clipPathId);
if (clipPathElem && clipPathElem->GetDtd() == wxSVG_CLIPPATH_ELEMENT) {
clipPathElem->SetOwnerSVGElement(&svgElem);
clipPathElem->SetViewportElement(&svgElem);
wxSVGMatrix clipMatrix(matrix);
clipPathElem->UpdateMatrix(clipMatrix);
SetClipPath(clipPathElem, clipMatrix);
}
}
SetMatrix(m_cr, matrix);
// scale context
double x = canvasImage.m_x;
double y = canvasImage.m_y;
double scaleX = canvasImage.m_width / canvasImage.m_image.GetWidth();
double scaleY = canvasImage.m_height / canvasImage.m_image.GetHeight();
wxSVG_PRESERVEASPECTRATIO align = canvasImage.GetPreserveAspectRatio().GetAlign();
bool alignX = false;
if (align > wxSVG_PRESERVEASPECTRATIO_NONE) {
scaleY = canvasImage.m_height / canvasImage.GetDefaultHeight();
if (canvasImage.GetPreserveAspectRatio().GetMeetOrSlice() != wxSVG_MEETORSLICE_SLICE) {
alignX = scaleX > scaleY;
} else {
cairo_rectangle(m_cr, x, y, canvasImage.m_width, canvasImage.m_height);
cairo_clip(m_cr);
alignX = scaleX < scaleY;
}
if (alignX) {
scaleX = scaleY;
if (align == wxSVG_PRESERVEASPECTRATIO_XMIDYMIN
|| align == wxSVG_PRESERVEASPECTRATIO_XMIDYMID
|| align == wxSVG_PRESERVEASPECTRATIO_XMIDYMAX)
x += (canvasImage.m_width - canvasImage.GetDefaultWidth() * scaleX) / 2;
else if (align == wxSVG_PRESERVEASPECTRATIO_XMAXYMIN
|| align == wxSVG_PRESERVEASPECTRATIO_XMAXYMID
|| align == wxSVG_PRESERVEASPECTRATIO_XMAXYMAX)
x += canvasImage.m_width - canvasImage.GetDefaultWidth() * scaleX;
} else {
scaleY = scaleX;
if (align == wxSVG_PRESERVEASPECTRATIO_XMINYMID
|| align == wxSVG_PRESERVEASPECTRATIO_XMIDYMID
|| align == wxSVG_PRESERVEASPECTRATIO_XMAXYMID)
y += (canvasImage.m_height - canvasImage.GetDefaultHeight() * scaleY) / 2;
else if (align == wxSVG_PRESERVEASPECTRATIO_XMINYMAX
|| align == wxSVG_PRESERVEASPECTRATIO_XMIDYMAX
|| align == wxSVG_PRESERVEASPECTRATIO_XMAXYMAX)
y += canvasImage.m_height - canvasImage.GetDefaultHeight() * scaleY;
}
scaleY = scaleY * canvasImage.GetDefaultHeight() / canvasImage.m_image.GetHeight();
}
cairo_translate(m_cr, x, y);
cairo_scale(m_cr, scaleX, scaleY);
// prepare to draw the image
cairo_set_source_surface(m_cr, cairoSurface, 0, 0);
// use the original size here since the context is scaled already...
cairo_rectangle(m_cr, 0, 0, canvasImage.m_image.GetWidth(), canvasImage.m_image.GetHeight());
// paint
if (style.GetMask().GetCSSPrimitiveType() == wxCSS_URI && style.GetMask().GetStringValue().length() > 1) {
wxString maskId = style.GetMask().GetStringValue().substr(1);
wxSVGMaskElement* maskElem = (wxSVGMaskElement*) svgElem.GetElementById(maskId);
if (maskElem && maskElem->GetDtd() == wxSVG_MASK_ELEMENT) {
maskElem->SetOwnerSVGElement(&svgElem);
maskElem->SetViewportElement(&svgElem);
cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
svgElem.GetWidth().GetAnimVal()/scaleX, svgElem.GetHeight().GetAnimVal()/scaleY);
cairo_t* cr = cairo_create(surface);
wxSVGMatrix maskMatrix;
maskMatrix = maskMatrix.Translate(x, y).ScaleNonUniform(scaleX, scaleY).Inverse();
DrawMask(cr, maskElem, maskMatrix, style, svgElem);
cairo_mask_surface(m_cr, surface, 0, 0);
cairo_destroy(cr);
cairo_surface_destroy(surface);
}
} else {
cairo_paint_with_alpha(m_cr, style.GetOpacity());
}
cairo_new_path(m_cr);
// clean up
cairo_restore(m_cr);
}
void draw_rectangles(cairo_t *fbcr, struct tsdev *ts, cairo_linuxfb_device_t *device)
{
int bufid = 1; /* start drawing into second buffer */
float r, g, b;
int fbsizex = device->fb_vinfo.xres;
int fbsizey = device->fb_vinfo.yres;
int startx, starty, sizex, sizey;
struct ts_sample sample;
cairo_surface_t *surface;
cairo_t *cr;
float scale = 1.0f;
surface = cairo_image_surface_create(CAIRO_FORMAT_RGB16_565,
fbsizex, fbsizey);
cr = cairo_create(surface);
/*
* We clear the cairo surface here before drawing
* This is required in case something was drawn on this surface
* previously, the previous contents would not be cleared without this.
*/
cairo_set_operator(cr, CAIRO_OPERATOR_CLEAR);
cairo_paint(cr);
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
srand(time(NULL));
while (!cancel) {
r = (rand() % 100) / 100.0;
g = (rand() % 100) / 100.0;
b = (rand() % 100) / 100.0;
startx = rand() % fbsizex;
starty = rand() % fbsizey;
sizex = rand() % (fbsizex - startx);
sizey = rand() % (fbsizey - starty);
cairo_identity_matrix(cr);
if (ts) {
int pressed = 0;
/* Pressure is our identication whether we act on axis... */
while (ts_read(ts, &sample, 1)) {
if (sample.pressure > 0)
pressed = 1;
}
if (pressed) {
scale *= 1.05f;
cairo_translate(cr, sample.x, sample.y);
cairo_scale(cr, scale, scale);
//r = g = b = 0;
startx = -5;
starty = -5;
sizex = 10;
sizey = 10;
} else {
scale = 1.0f;
}
}
cairo_set_source_rgb(cr, r, g, b);
cairo_rectangle(cr, startx, starty, sizex, sizey);
cairo_stroke_preserve(cr);
cairo_fill(cr);
/* Draw to framebuffer at y offset according to current buffer.. */
cairo_set_source_surface(fbcr, surface, 0, bufid * fbsizey);
cairo_paint(fbcr);
flip_buffer(device, 1, bufid);
/* Switch buffer ID for next draw */
bufid = !bufid;
usleep(20000);
}
/* Make sure we leave with buffer 0 enabled */
flip_buffer(device, 1, 0);
/* Destroy and release all cairo related contexts */
cairo_destroy(cr);
cairo_surface_destroy(surface);
}
static gboolean
gtk_offscreen_box_draw (GtkWidget *widget,
cairo_t *cr)
{
GtkOffscreenBox *offscreen_box = GTK_OFFSCREEN_BOX (widget);
GdkWindow *window;
window = gtk_widget_get_window (widget);
if (gtk_cairo_should_draw_window (cr, window))
{
cairo_surface_t *surface;
GtkAllocation child_area;
if (offscreen_box->child1 && gtk_widget_get_visible (offscreen_box->child1))
{
surface = gdk_offscreen_window_get_surface (offscreen_box->offscreen_window1);
cairo_set_source_surface (cr, surface, 0, 0);
cairo_paint (cr);
gtk_widget_get_allocation (offscreen_box->child1, &child_area);
cairo_translate (cr, 0, child_area.height);
}
if (offscreen_box->child2 && gtk_widget_get_visible (offscreen_box->child2))
{
surface = gdk_offscreen_window_get_surface (offscreen_box->offscreen_window2);
gtk_widget_get_allocation (offscreen_box->child2, &child_area);
/* transform */
cairo_translate (cr, child_area.width / 2, child_area.height / 2);
cairo_rotate (cr, offscreen_box->angle);
cairo_translate (cr, -child_area.width / 2, -child_area.height / 2);
/* paint */
cairo_set_source_surface (cr, surface, 0, 0);
cairo_paint (cr);
}
}
else if (gtk_cairo_should_draw_window (cr, offscreen_box->offscreen_window1))
{
gtk_render_background (gtk_widget_get_style_context (widget), cr,
0, 0,
gdk_window_get_width (offscreen_box->offscreen_window1),
gdk_window_get_height (offscreen_box->offscreen_window1));
if (offscreen_box->child1)
gtk_container_propagate_draw (GTK_CONTAINER (widget),
offscreen_box->child1,
cr);
}
else if (gtk_cairo_should_draw_window (cr, offscreen_box->offscreen_window2))
{
gtk_render_background (gtk_widget_get_style_context (widget), cr,
0, 0,
gdk_window_get_width (offscreen_box->offscreen_window2),
gdk_window_get_height (offscreen_box->offscreen_window2));
if (offscreen_box->child2)
gtk_container_propagate_draw (GTK_CONTAINER (widget),
offscreen_box->child2,
cr);
}
return FALSE;
}
void *dt_control_expose(void *voidptr)
{
int width, height, pointerx, pointery;
if(!darktable.gui->surface) return NULL;
width = dt_cairo_image_surface_get_width(darktable.gui->surface);
height = dt_cairo_image_surface_get_height(darktable.gui->surface);
GtkWidget *widget = dt_ui_center(darktable.gui->ui);
#if GTK_CHECK_VERSION(3, 20, 0)
gdk_window_get_device_position(gtk_widget_get_window(widget),
gdk_seat_get_pointer(gdk_display_get_default_seat(gtk_widget_get_display(widget))),
&pointerx, &pointery, NULL);
#else
GdkDevice *device
= gdk_device_manager_get_client_pointer(gdk_display_get_device_manager(gtk_widget_get_display(widget)));
gdk_window_get_device_position(gtk_widget_get_window(widget), device, &pointerx, &pointery, NULL);
#endif
// create a gtk-independent surface to draw on
cairo_surface_t *cst = dt_cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cairo_t *cr = cairo_create(cst);
// TODO: control_expose: only redraw the part not overlapped by temporary control panel show!
//
float tb = 8; // fmaxf(10, width/100.0);
darktable.control->tabborder = tb;
darktable.control->width = width;
darktable.control->height = height;
GdkRGBA color;
GtkStyleContext *context = gtk_widget_get_style_context(widget);
gboolean color_found = gtk_style_context_lookup_color (context, "bg_color", &color);
if(!color_found)
{
color.red = 1.0;
color.green = 0.0;
color.blue = 0.0;
color.alpha = 1.0;
}
gdk_cairo_set_source_rgba(cr, &color);
cairo_set_line_width(cr, tb);
cairo_rectangle(cr, tb / 2., tb / 2., width - tb, height - tb);
cairo_stroke(cr);
cairo_set_line_width(cr, 1.5);
color_found = gtk_style_context_lookup_color (context, "really_dark_bg_color", &color);
if(!color_found)
{
color.red = 1.0;
color.green = 0.0;
color.blue = 0.0;
color.alpha = 1.0;
}
gdk_cairo_set_source_rgba(cr, &color);
cairo_rectangle(cr, tb, tb, width - 2 * tb, height - 2 * tb);
cairo_stroke(cr);
cairo_save(cr);
cairo_translate(cr, tb, tb);
cairo_rectangle(cr, 0, 0, width - 2 * tb, height - 2 * tb);
cairo_clip(cr);
cairo_new_path(cr);
// draw view
dt_view_manager_expose(darktable.view_manager, cr, width - 2 * tb, height - 2 * tb, pointerx - tb,
pointery - tb);
cairo_restore(cr);
// draw log message, if any
dt_pthread_mutex_lock(&darktable.control->log_mutex);
if(darktable.control->log_ack != darktable.control->log_pos)
{
PangoRectangle ink;
PangoLayout *layout;
PangoFontDescription *desc = pango_font_description_copy_static(darktable.bauhaus->pango_font_desc);
const float fontsize = DT_PIXEL_APPLY_DPI(14);
pango_font_description_set_absolute_size(desc, fontsize * PANGO_SCALE);
pango_font_description_set_weight(desc, PANGO_WEIGHT_BOLD);
layout = pango_cairo_create_layout(cr);
pango_layout_set_font_description(layout, desc);
pango_layout_set_text(layout, darktable.control->log_message[darktable.control->log_ack], -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
const float pad = DT_PIXEL_APPLY_DPI(20.0f), xc = width / 2.0;
const float yc = height * 0.85 + DT_PIXEL_APPLY_DPI(10), wd = pad + ink.width * .5f;
float rad = DT_PIXEL_APPLY_DPI(14);
cairo_set_line_width(cr, 1.);
cairo_move_to(cr, xc - wd, yc + rad);
for(int k = 0; k < 5; k++)
{
cairo_arc(cr, xc - wd, yc, rad, M_PI / 2.0, 3.0 / 2.0 * M_PI);
cairo_line_to(cr, xc + wd, yc - rad);
cairo_arc(cr, xc + wd, yc, rad, 3.0 * M_PI / 2.0, M_PI / 2.0);
cairo_line_to(cr, xc - wd, yc + rad);
if(k == 0)
{
color_found = gtk_style_context_lookup_color (context, "selected_bg_color", &color);
if(!color_found)
{
color.red = 1.0;
color.green = 0.0;
color.blue = 0.0;
color.alpha = 1.0;
}
gdk_cairo_set_source_rgba(cr, &color);
cairo_fill_preserve(cr);
}
cairo_set_source_rgba(cr, 0., 0., 0., 1.0 / (1 + k));
cairo_stroke(cr);
rad += .5f;
}
color_found = gtk_style_context_lookup_color (context, "fg_color", &color);
if(!color_found)
{
color.red = 1.0;
color.green = 0.0;
color.blue = 0.0;
color.alpha = 1.0;
}
gdk_cairo_set_source_rgba(cr, &color);
cairo_move_to(cr, xc - wd + .5f * pad, (yc + 1. / 3. * fontsize) - fontsize);
pango_cairo_show_layout(cr, layout);
pango_font_description_free(desc);
g_object_unref(layout);
}
// draw busy indicator
if(darktable.control->log_busy > 0)
{
PangoRectangle ink;
PangoLayout *layout;
PangoFontDescription *desc = pango_font_description_copy_static(darktable.bauhaus->pango_font_desc);
const float fontsize = DT_PIXEL_APPLY_DPI(14);
pango_font_description_set_absolute_size(desc, fontsize * PANGO_SCALE);
pango_font_description_set_weight(desc, PANGO_WEIGHT_BOLD);
layout = pango_cairo_create_layout(cr);
pango_layout_set_font_description(layout, desc);
pango_layout_set_text(layout, _("working.."), -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
const float xc = width / 2.0, yc = height * 0.85 - DT_PIXEL_APPLY_DPI(30), wd = ink.width * .5f;
cairo_move_to(cr, xc - wd, yc + 1. / 3. * fontsize - fontsize);
pango_cairo_layout_path(cr, layout);
cairo_set_source_rgb(cr, 0.7, 0.7, 0.7);
cairo_fill_preserve(cr);
cairo_set_line_width(cr, 0.7);
cairo_set_source_rgb(cr, 0.3, 0.3, 0.3);
cairo_stroke(cr);
pango_font_description_free(desc);
g_object_unref(layout);
}
dt_pthread_mutex_unlock(&darktable.control->log_mutex);
cairo_destroy(cr);
cairo_t *cr_pixmap = cairo_create(darktable.gui->surface);
cairo_set_source_surface(cr_pixmap, cst, 0, 0);
cairo_paint(cr_pixmap);
cairo_destroy(cr_pixmap);
cairo_surface_destroy(cst);
return NULL;
}
void SaveSummary(const std::string &fname, Result &result, Config &config)
{
#if 0
const float fnorm = 2.f / sqrtf(result.npoints);
const float rnorm = 1.f / sqrtf(2.f / (SQRT3 * result.npoints));
const int csize = 512; // Composition cell size
const double dashes[] = { 6.0, 3.0 };
cairo_surface_t *surface =
cairo_pdf_surface_create(fname.c_str(), 2*csize, 1.5*csize);
cairo_pdf_surface_restrict_to_version(surface, CAIRO_PDF_VERSION_1_4);
cairo_t *cr = cairo_create(surface);
unsigned char *imgdata = NULL;
cairo_surface_t *image = NULL;
// Draw points
const float radius = 2.0;
cairo_identity_matrix(cr);
cairo_set_source_rgba(cr, 0, 0, 0, 1);
for (int i = 0; i < result.points.size(); ++i) {
float x = result.points[i].x * csize;
float y = (1.f - result.points[i].y) * csize;
cairo_arc(cr, x, y, radius, 0, TWOPI);
cairo_fill(cr);
}
// Draw radial power reference level
cairo_identity_matrix(cr);
cairo_set_source_rgba(cr, 0.6, 0.6, 0.6, 1);
cairo_set_line_width(cr, 1.0);
cairo_set_dash(cr, dashes, 2, 0);
const float rpref = 1.f - (1.f - config.fymin) / (config.fymax - config.fymin);
cairo_move_to(cr, csize, csize + rpref*csize/2);
cairo_line_to(cr, 2*csize, csize + rpref*csize/2);
cairo_stroke(cr);
// Draw radial power
cairo_identity_matrix(cr);
cairo_set_source_rgba(cr, 0, 0, 0, 1);
cairo_set_line_width(cr, 1.0);
cairo_set_dash(cr, NULL, 0, 0);
for (int i = 0; i < result.rp.size(); ++i) {
float x = i / (float) result.rp.size();
float y = 1.f - (result.rp[i] - config.fymin) / (config.fymax - config.fymin);
Clamp01(y);
if (i == 0)
cairo_move_to(cr, csize + x*csize, csize + y*csize/2);
else
cairo_line_to(cr, csize + x*csize, csize + y*csize/2);
}
cairo_stroke(cr);
// Draw spectrum
int stride = cairo_format_stride_for_width(CAIRO_FORMAT_RGB24,
result.spectrum.width);
result.spectrum.GetRGBA(imgdata);
image = cairo_image_surface_create_for_data(imgdata, CAIRO_FORMAT_RGB24,
result.spectrum.width,
result.spectrum.height,
stride);
cairo_identity_matrix(cr);
cairo_translate(cr, csize, 0);
cairo_scale(cr, csize / (float) result.spectrum.width,
csize / (float) result.spectrum.height);
cairo_set_source_surface(cr, image, 0, 0);
cairo_paint(cr);
// Draw RDF reference level
cairo_identity_matrix(cr);
cairo_set_source_rgba(cr, 0.6, 0.6, 0.6, 1);
cairo_set_line_width(cr, 1.0);
cairo_set_dash(cr, dashes, 2, 0);
const float rdfref = 1.f - (1.f - config.rymin) / (config.rymax - config.rymin);
cairo_move_to(cr, 0, csize + rdfref*csize/2);
cairo_line_to(cr, csize, csize + rdfref*csize/2);
cairo_stroke(cr);
// Draw RDF
cairo_identity_matrix(cr);
cairo_set_source_rgba(cr, 0, 0, 0, 1);
cairo_set_line_width(cr, 1.0);
cairo_set_dash(cr, NULL, 0, 0);
for (int i = 0; i < result.rdf.size(); ++i) {
float x = i / (float) result.rdf.size();
float y = 1.f - (result.rdf[i] - config.rymin) / (config.rymax - config.rymin);
Clamp01(y);
if (i == 0)
cairo_move_to(cr, x*csize, csize + y*csize/2);
else
cairo_line_to(cr, x*csize, csize + y*csize/2);
}
cairo_stroke(cr);
// Draw separators
cairo_identity_matrix(cr);
cairo_set_line_width(cr, 1.0);
cairo_set_source_rgba(cr, 0, 0, 0, 1);
cairo_move_to(cr, 0, csize);
cairo_line_to(cr, 2*csize, csize);
cairo_stroke(cr);
cairo_move_to(cr, csize, 0);
cairo_line_to(cr, csize, 1.5*csize);
cairo_stroke(cr);
// Draw labels
cairo_identity_matrix(cr);
cairo_set_font_size(cr, 12.0);
cairo_select_font_face(cr, "Sans", CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_source_rgba(cr, 0, 0, 0, 1);
cairo_move_to(cr, 0.0125 * csize, 1.025 * csize);
cairo_show_text(cr, "RDF");
cairo_stroke(cr);
cairo_move_to(cr, 1.0125 * csize, 1.025 * csize);
cairo_show_text(cr, "Power Spectrum");
cairo_stroke(cr);
// Draw stats box
#ifdef PSA_HAS_CGAL
int nlines = 5;
#else
int nlines = 4;
#endif
nlines += (result.nsets > 1);
double offset = 0.03;
double bsize[] = { 0.33 * csize, (nlines * offset + 0.01) * csize };
double banchor = 0.0125 * csize;
cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 0.7);
cairo_rectangle(cr, banchor, banchor, bsize[0], bsize[1]);
cairo_fill(cr);
// Draw stats and corresponding labels
cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 1.0);
cairo_set_font_size(cr, 12.0);
cairo_select_font_face(cr, "monospace", CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_NORMAL);
const int len = 128;
char label[len];
double tanchor[2] = { 1.75 * banchor, 0.9 * banchor };
int i = 1;
if (result.nsets > 1) {
snprintf(label, len, "Averaged over %d sets", result.nsets);
cairo_move_to(cr, tanchor[0], tanchor[1] + i * offset * csize);
cairo_show_text(cr, label);
++i;
}
snprintf(label, len, "Gbl. Mindist %.5f", result.stats.mindist * rnorm);
cairo_move_to(cr, tanchor[0], tanchor[1] + i * offset * csize); ++i;
cairo_show_text(cr, label);
snprintf(label, len, "Avg. Mindist %.5f", result.stats.avgmindist * rnorm);
cairo_move_to(cr, tanchor[0], tanchor[1] + i * offset * csize); ++i;
cairo_show_text(cr, label);
#ifdef PSA_HAS_CGAL
snprintf(label, len, "Orient. order %.5f", result.stats.orientorder);
cairo_move_to(cr, tanchor[0], tanchor[1] + i * offset * csize); ++i;
cairo_show_text(cr, label);
#endif
snprintf(label, len, "Eff. Nyquist %.5f", result.stats.effnyquist * fnorm);
cairo_move_to(cr, tanchor[0], tanchor[1] + i * offset * csize); ++i;
cairo_show_text(cr, label);
snprintf(label, len, "Oscillations %.5f", result.stats.oscillations);
cairo_move_to(cr, tanchor[0], tanchor[1] + i * offset * csize); ++i;
cairo_show_text(cr, label);
cairo_stroke(cr);
// Save and clean up
cairo_show_page(cr);
cairo_surface_destroy(image);
if (imgdata) delete[] imgdata;
cairo_destroy(cr);
cairo_surface_destroy(surface);
#endif
}
void render_image(struct window *window, cairo_surface_t *image, enum scaling_mode scaling_mode) {
double width = cairo_image_surface_get_width(image);
double height = cairo_image_surface_get_height(image);
switch (scaling_mode) {
case SCALING_MODE_STRETCH:
cairo_scale(window->cairo,
(double) window->width / width,
(double) window->height / height);
cairo_set_source_surface(window->cairo, image, 0, 0);
break;
case SCALING_MODE_FILL:
{
double window_ratio = (double) window->width / window->height;
double bg_ratio = width / height;
if (window_ratio > bg_ratio) {
double scale = (double) window->width / width;
cairo_scale(window->cairo, scale, scale);
cairo_set_source_surface(window->cairo, image,
0,
(double) window->height/2 / scale - height/2);
} else {
double scale = (double) window->height / height;
cairo_scale(window->cairo, scale, scale);
cairo_set_source_surface(window->cairo, image,
(double) window->width/2 / scale - width/2,
0);
}
break;
}
case SCALING_MODE_FIT:
{
double window_ratio = (double) window->width / window->height;
double bg_ratio = width / height;
if (window_ratio > bg_ratio) {
double scale = (double) window->height / height;
cairo_scale(window->cairo, scale, scale);
cairo_set_source_surface(window->cairo, image,
(double) window->width/2 / scale - width/2,
0);
} else {
double scale = (double) window->width / width;
cairo_scale(window->cairo, scale, scale);
cairo_set_source_surface(window->cairo, image,
0,
(double) window->height/2 / scale - height/2);
}
break;
}
case SCALING_MODE_CENTER:
cairo_set_source_surface(window->cairo, image,
(double) window->width/2 - width/2,
(double) window->height/2 - height/2);
break;
case SCALING_MODE_TILE:
{
cairo_pattern_t *pattern = cairo_pattern_create_for_surface(image);
cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
cairo_set_source(window->cairo, pattern);
break;
}
}
cairo_paint(window->cairo);
window_render(window);
}
/*
This file is part of darktable,
copyright (c) 2009--2011 johannes hanika.
copyright (c) 2012 tobias ellinghaus.
copyright (c) 2014 henrik andersson.
darktable is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
darktable is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with darktable. If not, see <http://www.gnu.org/licenses/>.
*/
#include "bauhaus/bauhaus.h"
#include "common/camera_control.h"
#include "common/darktable.h"
#include "common/image_cache.h"
#include "common/mipmap_cache.h"
#include "control/conf.h"
#include "control/control.h"
#include "control/jobs.h"
#include "dtgtk/button.h"
#include "gui/accelerators.h"
#include "gui/gtk.h"
#include "gui/guides.h"
#include "libs/lib.h"
#include "libs/lib_api.h"
#include <gdk/gdkkeysyms.h>
typedef enum dt_lib_live_view_flip_t
{
FLAG_FLIP_NONE = 0,
FLAG_FLIP_HORIZONTAL = 1<<0,
FLAG_FLIP_VERTICAL = 1<<1,
FLAG_FLIP_BOTH = FLAG_FLIP_HORIZONTAL|FLAG_FLIP_VERTICAL
} dt_lib_live_view_flip_t;
typedef enum dt_lib_live_view_overlay_t
{
OVERLAY_NONE = 0,
OVERLAY_SELECTED,
OVERLAY_ID
} dt_lib_live_view_overlay_t;
#define HANDLE_SIZE 0.02
static const cairo_operator_t _overlay_modes[] = {
CAIRO_OPERATOR_OVER, CAIRO_OPERATOR_XOR, CAIRO_OPERATOR_ADD, CAIRO_OPERATOR_SATURATE
#if(CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 10, 0))
,
CAIRO_OPERATOR_MULTIPLY, CAIRO_OPERATOR_SCREEN, CAIRO_OPERATOR_OVERLAY, CAIRO_OPERATOR_DARKEN,
CAIRO_OPERATOR_LIGHTEN, CAIRO_OPERATOR_COLOR_DODGE, CAIRO_OPERATOR_COLOR_BURN, CAIRO_OPERATOR_HARD_LIGHT,
CAIRO_OPERATOR_SOFT_LIGHT, CAIRO_OPERATOR_DIFFERENCE, CAIRO_OPERATOR_EXCLUSION, CAIRO_OPERATOR_HSL_HUE,
CAIRO_OPERATOR_HSL_SATURATION, CAIRO_OPERATOR_HSL_COLOR, CAIRO_OPERATOR_HSL_LUMINOSITY
#endif
};
DT_MODULE(1)
typedef struct dt_lib_live_view_t
{
int imgid;
int splitline_rotation;
double overlay_x0, overlay_x1, overlay_y0, overlay_y1;
double splitline_x, splitline_y; // 0..1
gboolean splitline_dragging;
GtkWidget *live_view, *live_view_zoom, *rotate_ccw, *rotate_cw, *flip;
GtkWidget *focus_out_small, *focus_out_big, *focus_in_small, *focus_in_big;
GtkWidget *guide_selector, *flip_guides, *guides_widgets;
GList *guides_widgets_list;
GtkWidget *overlay, *overlay_id_box, *overlay_id, *overlay_mode, *overlay_splitline;
} dt_lib_live_view_t;
static void guides_presets_set_visibility(dt_lib_live_view_t *lib, int which)
{
if(which == 0)
{
gtk_widget_set_no_show_all(lib->guides_widgets, TRUE);
gtk_widget_hide(lib->guides_widgets);
gtk_widget_set_no_show_all(lib->flip_guides, TRUE);
gtk_widget_hide(lib->flip_guides);
}
else
{
GtkWidget *widget = g_list_nth_data(lib->guides_widgets_list, which - 1);
if(widget)
{
gtk_widget_set_no_show_all(lib->guides_widgets, FALSE);
gtk_widget_show_all(lib->guides_widgets);
gtk_stack_set_visible_child(GTK_STACK(lib->guides_widgets), widget);
}
else
{
gtk_widget_set_no_show_all(lib->guides_widgets, TRUE);
gtk_widget_hide(lib->guides_widgets);
}
gtk_widget_set_no_show_all(lib->flip_guides, FALSE);
gtk_widget_show_all(lib->flip_guides);
}
// TODO: add a support_flip flag to guides to hide the flip gui?
}
static void guides_presets_changed(GtkWidget *combo, dt_lib_live_view_t *lib)
{
int which = dt_bauhaus_combobox_get(combo);
guides_presets_set_visibility(lib, which);
}
static void overlay_changed(GtkWidget *combo, dt_lib_live_view_t *lib)
{
int which = dt_bauhaus_combobox_get(combo);
if(which == OVERLAY_NONE)
{
gtk_widget_set_visible(GTK_WIDGET(lib->overlay_mode), FALSE);
gtk_widget_set_visible(GTK_WIDGET(lib->overlay_splitline), FALSE);
}
else
{
gtk_widget_set_visible(GTK_WIDGET(lib->overlay_mode), TRUE);
gtk_widget_set_visible(GTK_WIDGET(lib->overlay_splitline), TRUE);
}
if(which == OVERLAY_ID)
gtk_widget_set_visible(GTK_WIDGET(lib->overlay_id_box), TRUE);
else
gtk_widget_set_visible(GTK_WIDGET(lib->overlay_id_box), FALSE);
}
const char *name(dt_lib_module_t *self)
{
return _("live view");
}
uint32_t views(dt_lib_module_t *self)
{
return DT_VIEW_TETHERING;
}
uint32_t container(dt_lib_module_t *self)
{
return DT_UI_CONTAINER_PANEL_RIGHT_CENTER;
}
void gui_reset(dt_lib_module_t *self)
{
}
int position()
{
return 998;
}
void init_key_accels(dt_lib_module_t *self)
{
dt_accel_register_lib(self, NC_("accel", "toggle live view"), GDK_KEY_v, 0);
dt_accel_register_lib(self, NC_("accel", "zoom live view"), GDK_KEY_z, 0);
dt_accel_register_lib(self, NC_("accel", "rotate 90 degrees CCW"), 0, 0);
dt_accel_register_lib(self, NC_("accel", "rotate 90 degrees CW"), 0, 0);
dt_accel_register_lib(self, NC_("accel", "flip horizontally"), 0, 0);
dt_accel_register_lib(self, NC_("accel", "move focus point in (big steps)"), 0, 0);
dt_accel_register_lib(self, NC_("accel", "move focus point in (small steps)"), 0, 0);
dt_accel_register_lib(self, NC_("accel", "move focus point out (small steps)"), 0, 0);
dt_accel_register_lib(self, NC_("accel", "move focus point out (big steps)"), 0, 0);
}
void connect_key_accels(dt_lib_module_t *self)
{
dt_lib_live_view_t *lib = (dt_lib_live_view_t *)self->data;
dt_accel_connect_button_lib(self, "toggle live view", GTK_WIDGET(lib->live_view));
dt_accel_connect_button_lib(self, "zoom live view", GTK_WIDGET(lib->live_view_zoom));
dt_accel_connect_button_lib(self, "rotate 90 degrees CCW", GTK_WIDGET(lib->rotate_ccw));
dt_accel_connect_button_lib(self, "rotate 90 degrees CW", GTK_WIDGET(lib->rotate_cw));
dt_accel_connect_button_lib(self, "flip horizontally", GTK_WIDGET(lib->flip));
dt_accel_connect_button_lib(self, "move focus point in (big steps)", GTK_WIDGET(lib->focus_in_big));
dt_accel_connect_button_lib(self, "move focus point in (small steps)", GTK_WIDGET(lib->focus_in_small));
dt_accel_connect_button_lib(self, "move focus point out (small steps)", GTK_WIDGET(lib->focus_out_small));
dt_accel_connect_button_lib(self, "move focus point out (big steps)", GTK_WIDGET(lib->focus_out_big));
}
static void _rotate_ccw(GtkWidget *widget, gpointer user_data)
{
dt_camera_t *cam = (dt_camera_t *)darktable.camctl->active_camera;
cam->live_view_rotation = (cam->live_view_rotation + 1) % 4; // 0 -> 1 -> 2 -> 3 -> 0 -> ...
}
static void _rotate_cw(GtkWidget *widget, gpointer user_data)
{
dt_camera_t *cam = (dt_camera_t *)darktable.camctl->active_camera;
cam->live_view_rotation = (cam->live_view_rotation + 3) % 4; // 0 -> 3 -> 2 -> 1 -> 0 -> ...
}
// Congratulations to Simon for being the first one recognizing live view in a screen shot ^^
static void _toggle_live_view_clicked(GtkWidget *widget, gpointer user_data)
{
if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)) == TRUE)
{
if(dt_camctl_camera_start_live_view(darktable.camctl) == FALSE)
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(widget), FALSE);
}
else
{
dt_camctl_camera_stop_live_view(darktable.camctl);
}
}
// TODO: using a toggle button would be better, but this setting can also be changed by right clicking on the
// canvas (src/views/capture.c).
// maybe using a signal would work? i have no idea.
static void _zoom_live_view_clicked(GtkWidget *widget, gpointer user_data)
{
dt_camera_t *cam = (dt_camera_t *)darktable.camctl->active_camera;
if(cam->is_live_viewing)
{
cam->live_view_zoom = !cam->live_view_zoom;
if(cam->live_view_zoom == TRUE)
dt_camctl_camera_set_property_string(darktable.camctl, NULL, "eoszoom", "5");
else
dt_camctl_camera_set_property_string(darktable.camctl, NULL, "eoszoom", "1");
}
}
static void _focus_button_clicked(GtkWidget *widget, gpointer user_data)
{
int focus = GPOINTER_TO_INT(user_data);
dt_camctl_camera_set_property_choice(darktable.camctl, NULL, "manualfocusdrive", focus);
}
static void _toggle_flip_clicked(GtkWidget *widget, gpointer user_data)
{
dt_camera_t *cam = (dt_camera_t *)darktable.camctl->active_camera;
cam->live_view_flip = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget));
}
static void _overlay_id_changed(GtkWidget *widget, gpointer user_data)
{
dt_lib_live_view_t *lib = (dt_lib_live_view_t *)user_data;
lib->imgid = gtk_spin_button_get_value(GTK_SPIN_BUTTON(widget));
dt_conf_set_int("plugins/lighttable/live_view/overlay_imgid", lib->imgid);
}
static void _overlay_mode_changed(GtkWidget *combo, gpointer user_data)
{
dt_conf_set_int("plugins/lighttable/live_view/overlay_mode", dt_bauhaus_combobox_get(combo));
}
static void _overlay_splitline_changed(GtkWidget *combo, gpointer user_data)
{
dt_conf_set_int("plugins/lighttable/live_view/splitline", dt_bauhaus_combobox_get(combo));
}
void gui_init(dt_lib_module_t *self)
{
self->data = calloc(1, sizeof(dt_lib_live_view_t));
// Setup lib data
dt_lib_live_view_t *lib = self->data;
lib->splitline_x = lib->splitline_y = 0.5;
// Setup gui
self->widget = gtk_box_new(GTK_ORIENTATION_VERTICAL, 5);
GtkWidget *box;
box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 5);
gtk_box_pack_start(GTK_BOX(self->widget), box, TRUE, TRUE, 0);
lib->live_view = dtgtk_togglebutton_new(dtgtk_cairo_paint_eye, CPF_STYLE_FLAT | CPF_DO_NOT_USE_BORDER);
lib->live_view_zoom = dtgtk_button_new(
dtgtk_cairo_paint_zoom, CPF_STYLE_FLAT | CPF_DO_NOT_USE_BORDER); // TODO: see _zoom_live_view_clicked
lib->rotate_ccw = dtgtk_button_new(dtgtk_cairo_paint_refresh, CPF_STYLE_FLAT | CPF_DO_NOT_USE_BORDER);
lib->rotate_cw = dtgtk_button_new(dtgtk_cairo_paint_refresh,
CPF_STYLE_FLAT | CPF_DO_NOT_USE_BORDER | CPF_DIRECTION_UP);
lib->flip = dtgtk_togglebutton_new(dtgtk_cairo_paint_flip,
CPF_STYLE_FLAT | CPF_DO_NOT_USE_BORDER | CPF_DIRECTION_UP);
gtk_box_pack_start(GTK_BOX(box), lib->live_view, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(box), lib->live_view_zoom, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(box), lib->rotate_ccw, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(box), lib->rotate_cw, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(box), lib->flip, TRUE, TRUE, 0);
gtk_widget_set_tooltip_text(lib->live_view, _("toggle live view"));
gtk_widget_set_tooltip_text(lib->live_view_zoom, _("zoom live view"));
gtk_widget_set_tooltip_text(lib->rotate_ccw, _("rotate 90 degrees ccw"));
gtk_widget_set_tooltip_text(lib->rotate_cw, _("rotate 90 degrees cw"));
gtk_widget_set_tooltip_text(lib->flip, _("flip live view horizontally"));
g_signal_connect(G_OBJECT(lib->live_view), "clicked", G_CALLBACK(_toggle_live_view_clicked), lib);
g_signal_connect(G_OBJECT(lib->live_view_zoom), "clicked", G_CALLBACK(_zoom_live_view_clicked), lib);
g_signal_connect(G_OBJECT(lib->rotate_ccw), "clicked", G_CALLBACK(_rotate_ccw), lib);
g_signal_connect(G_OBJECT(lib->rotate_cw), "clicked", G_CALLBACK(_rotate_cw), lib);
g_signal_connect(G_OBJECT(lib->flip), "clicked", G_CALLBACK(_toggle_flip_clicked), lib);
// focus buttons
box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 5);
gtk_box_pack_start(GTK_BOX(self->widget), box, TRUE, TRUE, 0);
lib->focus_in_big = dtgtk_button_new(dtgtk_cairo_paint_solid_triangle,
CPF_STYLE_FLAT | CPF_DO_NOT_USE_BORDER | CPF_DIRECTION_LEFT);
lib->focus_in_small
= dtgtk_button_new(dtgtk_cairo_paint_arrow, CPF_STYLE_FLAT | CPF_DO_NOT_USE_BORDER
| CPF_DIRECTION_LEFT); // TODO icon not centered
lib->focus_out_small = dtgtk_button_new(dtgtk_cairo_paint_arrow, CPF_STYLE_FLAT | CPF_DO_NOT_USE_BORDER
| CPF_DIRECTION_RIGHT); // TODO same here
lib->focus_out_big = dtgtk_button_new(dtgtk_cairo_paint_solid_triangle,
CPF_STYLE_FLAT | CPF_DO_NOT_USE_BORDER | CPF_DIRECTION_RIGHT);
gtk_box_pack_start(GTK_BOX(box), lib->focus_in_big, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(box), lib->focus_in_small, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(box), lib->focus_out_small, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(box), lib->focus_out_big, TRUE, TRUE, 0);
gtk_widget_set_tooltip_text(lib->focus_in_big, _("move focus point in (big steps)"));
gtk_widget_set_tooltip_text(lib->focus_in_small, _("move focus point in (small steps)"));
gtk_widget_set_tooltip_text(lib->focus_out_small, _("move focus point out (small steps)"));
gtk_widget_set_tooltip_text(lib->focus_out_big, _("move focus point out (big steps)"));
// Near 3
g_signal_connect(G_OBJECT(lib->focus_in_big), "clicked", G_CALLBACK(_focus_button_clicked),
GINT_TO_POINTER(2));
// Near 1
g_signal_connect(G_OBJECT(lib->focus_in_small), "clicked", G_CALLBACK(_focus_button_clicked),
GINT_TO_POINTER(0));
// Far 1
g_signal_connect(G_OBJECT(lib->focus_out_small), "clicked", G_CALLBACK(_focus_button_clicked),
GINT_TO_POINTER(4));
// Far 3
g_signal_connect(G_OBJECT(lib->focus_out_big), "clicked", G_CALLBACK(_focus_button_clicked),
GINT_TO_POINTER(6));
// Guides
lib->guide_selector = dt_bauhaus_combobox_new(NULL);
dt_bauhaus_widget_set_label(lib->guide_selector, NULL, _("guides"));
gtk_box_pack_start(GTK_BOX(self->widget), lib->guide_selector, TRUE, TRUE, 0);
lib->guides_widgets = gtk_stack_new();
gtk_stack_set_homogeneous(GTK_STACK(lib->guides_widgets), FALSE);
gtk_box_pack_start(GTK_BOX(self->widget), lib->guides_widgets, TRUE, TRUE, 0);
dt_bauhaus_combobox_add(lib->guide_selector, _("none"));
int i = 0;
for(GList *iter = darktable.guides; iter; iter = g_list_next(iter), i++)
{
GtkWidget *widget = NULL;
dt_guides_t *guide = (dt_guides_t *)iter->data;
dt_bauhaus_combobox_add(lib->guide_selector, _(guide->name));
if(guide->widget)
{
// generate some unique name so that we can have the same name several times
char name[5];
snprintf(name, sizeof(name), "%d", i);
widget = guide->widget(NULL, guide->user_data);
gtk_widget_show_all(widget);
gtk_stack_add_named(GTK_STACK(lib->guides_widgets), widget, name);
}
lib->guides_widgets_list = g_list_append(lib->guides_widgets_list, widget);
}
gtk_widget_set_no_show_all(lib->guides_widgets, TRUE);
gtk_widget_set_tooltip_text(lib->guide_selector, _("display guide lines to help compose your photograph"));
g_signal_connect(G_OBJECT(lib->guide_selector), "value-changed", G_CALLBACK(guides_presets_changed), lib);
lib->flip_guides = dt_bauhaus_combobox_new(NULL);
dt_bauhaus_widget_set_label(lib->flip_guides, NULL, _("flip"));
dt_bauhaus_combobox_add(lib->flip_guides, _("none"));
dt_bauhaus_combobox_add(lib->flip_guides, _("horizontally"));
dt_bauhaus_combobox_add(lib->flip_guides, _("vertically"));
dt_bauhaus_combobox_add(lib->flip_guides, _("both"));
gtk_widget_set_tooltip_text(lib->flip_guides, _("flip guides"));
gtk_box_pack_start(GTK_BOX(self->widget), lib->flip_guides, TRUE, TRUE, 0);
lib->overlay = dt_bauhaus_combobox_new(NULL);
dt_bauhaus_widget_set_label(lib->overlay, NULL, _("overlay"));
dt_bauhaus_combobox_add(lib->overlay, _("none"));
dt_bauhaus_combobox_add(lib->overlay, _("selected image"));
dt_bauhaus_combobox_add(lib->overlay, _("id"));
gtk_widget_set_tooltip_text(lib->overlay, _("overlay another image over the live view"));
g_signal_connect(G_OBJECT(lib->overlay), "value-changed", G_CALLBACK(overlay_changed), lib);
gtk_box_pack_start(GTK_BOX(self->widget), lib->overlay, TRUE, TRUE, 0);
lib->overlay_id_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 5);
GtkWidget *label = gtk_label_new(_("image id"));
gtk_widget_set_halign(label, GTK_ALIGN_START);
lib->overlay_id = gtk_spin_button_new_with_range(0, 1000000000, 1);
gtk_spin_button_set_digits(GTK_SPIN_BUTTON(lib->overlay_id), 0);
gtk_widget_set_tooltip_text(lib->overlay_id, _("enter image id of the overlay manually"));
g_signal_connect(G_OBJECT(lib->overlay_id), "value-changed", G_CALLBACK(_overlay_id_changed), lib);
gtk_spin_button_set_value(GTK_SPIN_BUTTON(lib->overlay_id),
dt_conf_get_int("plugins/lighttable/live_view/overlay_imgid"));
gtk_box_pack_start(GTK_BOX(lib->overlay_id_box), label, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(lib->overlay_id_box), lib->overlay_id, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(self->widget), lib->overlay_id_box, TRUE, TRUE, 0);
gtk_widget_show(lib->overlay_id);
gtk_widget_show(label);
lib->overlay_mode = dt_bauhaus_combobox_new(NULL);
dt_bauhaus_widget_set_label(lib->overlay_mode, NULL, _("overlay mode"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "normal"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "xor"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "add"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "saturate"));
#if(CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 10, 0))
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "multiply"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "screen"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "overlay"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "darken"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "lighten"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "color dodge"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "color burn"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "hard light"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "soft light"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "difference"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "exclusion"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "HSL hue"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "HSL saturation"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "HSL color"));
dt_bauhaus_combobox_add(lib->overlay_mode, C_("blendmode", "HSL luminosity"));
#endif
gtk_widget_set_tooltip_text(lib->overlay_mode, _("mode of the overlay"));
dt_bauhaus_combobox_set(lib->overlay_mode, dt_conf_get_int("plugins/lighttable/live_view/overlay_mode"));
g_signal_connect(G_OBJECT(lib->overlay_mode), "value-changed", G_CALLBACK(_overlay_mode_changed), lib);
gtk_box_pack_start(GTK_BOX(self->widget), lib->overlay_mode, TRUE, TRUE, 0);
lib->overlay_splitline = dt_bauhaus_combobox_new(NULL);
dt_bauhaus_widget_set_label(lib->overlay_splitline, NULL, _("split line"));
dt_bauhaus_combobox_add(lib->overlay_splitline, _("off"));
dt_bauhaus_combobox_add(lib->overlay_splitline, _("on"));
gtk_widget_set_tooltip_text(lib->overlay_splitline, _("only draw part of the overlay"));
dt_bauhaus_combobox_set(lib->overlay_splitline, dt_conf_get_int("plugins/lighttable/live_view/splitline"));
g_signal_connect(G_OBJECT(lib->overlay_splitline), "value-changed", G_CALLBACK(_overlay_splitline_changed),
lib);
gtk_box_pack_start(GTK_BOX(self->widget), lib->overlay_splitline, TRUE, TRUE, 0);
gtk_widget_set_visible(GTK_WIDGET(lib->overlay_mode), FALSE);
gtk_widget_set_visible(GTK_WIDGET(lib->overlay_id_box), FALSE);
gtk_widget_set_visible(GTK_WIDGET(lib->overlay_splitline), FALSE);
gtk_widget_set_no_show_all(GTK_WIDGET(lib->overlay_mode), TRUE);
gtk_widget_set_no_show_all(GTK_WIDGET(lib->overlay_id_box), TRUE);
gtk_widget_set_no_show_all(GTK_WIDGET(lib->overlay_splitline), TRUE);
guides_presets_set_visibility(lib, 0);
}
void gui_cleanup(dt_lib_module_t *self)
{
// dt_lib_live_view_t *lib = self->data;
// g_list_free(lib->guides_widgets_list);
// INTENTIONAL. it's supposed to be leaky until lua is fixed.
free(self->data);
self->data = NULL;
}
void view_enter(struct dt_lib_module_t *self,struct dt_view_t *old_view,struct dt_view_t *new_view)
{
// disable buttons that won't work with this camera
// TODO: initialize tethering mode outside of libs/camera.s so we can use darktable.camctl->active_camera
// here
dt_lib_live_view_t *lib = self->data;
const dt_camera_t *cam = darktable.camctl->active_camera;
if(cam == NULL) cam = darktable.camctl->wanted_camera;
gboolean sensitive = cam && cam->can_live_view_advanced;
gtk_widget_set_sensitive(lib->live_view_zoom, sensitive);
gtk_widget_set_sensitive(lib->focus_in_big, sensitive);
gtk_widget_set_sensitive(lib->focus_in_small, sensitive);
gtk_widget_set_sensitive(lib->focus_out_big, sensitive);
gtk_widget_set_sensitive(lib->focus_out_small, sensitive);
}
// TODO: find out where the zoom window is and draw overlay + grid accordingly
#define MARGIN 20
#define BAR_HEIGHT 18 /* see libs/camera.c */
void gui_post_expose(dt_lib_module_t *self, cairo_t *cr, int32_t width, int32_t height, int32_t pointerx,
int32_t pointery)
{
dt_camera_t *cam = (dt_camera_t *)darktable.camctl->active_camera;
dt_lib_live_view_t *lib = self->data;
if(cam->is_live_viewing == FALSE || cam->live_view_zoom == TRUE) return;
dt_pthread_mutex_lock(&cam->live_view_pixbuf_mutex);
if(GDK_IS_PIXBUF(cam->live_view_pixbuf) == FALSE)
{
dt_pthread_mutex_unlock(&cam->live_view_pixbuf_mutex);
return;
}
double w = width - (MARGIN * 2.0f);
double h = height - (MARGIN * 2.0f) - BAR_HEIGHT;
gint pw = gdk_pixbuf_get_width(cam->live_view_pixbuf);
gint ph = gdk_pixbuf_get_height(cam->live_view_pixbuf);
lib->overlay_x0 = lib->overlay_x1 = lib->overlay_y0 = lib->overlay_y1 = 0.0;
gboolean use_splitline = (dt_bauhaus_combobox_get(lib->overlay_splitline) == 1);
// OVERLAY
int imgid = 0;
switch(dt_bauhaus_combobox_get(lib->overlay))
{
case OVERLAY_SELECTED:
imgid = dt_view_tethering_get_selected_imgid(darktable.view_manager);
break;
case OVERLAY_ID:
imgid = lib->imgid;
break;
}
if(imgid > 0)
{
cairo_save(cr);
const dt_image_t *img = dt_image_cache_testget(darktable.image_cache, imgid, 'r');
// if the user points at this image, we really want it:
if(!img) img = dt_image_cache_get(darktable.image_cache, imgid, 'r');
int zoom = 1;
float imgwd = 0.90f;
if(zoom == 1)
{
imgwd = .97f;
}
dt_mipmap_buffer_t buf;
dt_mipmap_size_t mip = dt_mipmap_cache_get_matching_size(darktable.mipmap_cache, imgwd * w, imgwd * h);
dt_mipmap_cache_get(darktable.mipmap_cache, &buf, imgid, mip, 0, 'r');
float scale = 1.0;
cairo_surface_t *surface = NULL;
if(buf.buf)
{
const int32_t stride = cairo_format_stride_for_width(CAIRO_FORMAT_RGB24, buf.width);
surface = cairo_image_surface_create_for_data(buf.buf, CAIRO_FORMAT_RGB24, buf.width,
buf.height, stride);
if(zoom == 1)
{
scale = fminf(fminf(w, pw) / (float)buf.width, fminf(h, ph) / (float)buf.height);
}
else
scale = fminf(w * imgwd / (float)buf.width, h * imgwd / (float)buf.height);
}
// draw centered and fitted:
cairo_translate(cr, width / 2.0, (height + BAR_HEIGHT) / 2.0f);
cairo_scale(cr, scale, scale);
if(buf.buf)
{
cairo_translate(cr, -.5f * buf.width, -.5f * buf.height);
if(use_splitline)
{
double x0, y0, x1, y1;
switch(lib->splitline_rotation)
{
case 0:
x0 = 0.0;
y0 = 0.0;
x1 = buf.width * lib->splitline_x;
y1 = buf.height;
break;
case 1:
x0 = 0.0;
y0 = 0.0;
x1 = buf.width;
y1 = buf.height * lib->splitline_y;
break;
case 2:
x0 = buf.width * lib->splitline_x;
y0 = 0.0;
x1 = buf.width;
y1 = buf.height;
break;
case 3:
x0 = 0.0;
y0 = buf.height * lib->splitline_y;
x1 = buf.width;
y1 = buf.height;
break;
default:
fprintf(stderr, "OMFG, the world will collapse, this shouldn't be reachable!\n");
return;
}
cairo_rectangle(cr, x0, y0, x1, y1);
cairo_clip(cr);
}
cairo_set_source_surface(cr, surface, 0, 0);
// set filter no nearest:
// in skull mode, we want to see big pixels.
// in 1 iir mode for the right mip, we want to see exactly what the pipe gave us, 1:1 pixel for pixel.
// in between, filtering just makes stuff go unsharp.
if((buf.width <= 8 && buf.height <= 8) || fabsf(scale - 1.0f) < 0.01f)
cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_NEAREST);
cairo_rectangle(cr, 0, 0, buf.width, buf.height);
int overlay_modes_index = dt_bauhaus_combobox_get(lib->overlay_mode);
if(overlay_modes_index >= 0)
{
cairo_operator_t mode = _overlay_modes[overlay_modes_index];
cairo_set_operator(cr, mode);
}
cairo_fill(cr);
cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
cairo_surface_destroy(surface);
}
cairo_restore(cr);
if(buf.buf) dt_mipmap_cache_release(darktable.mipmap_cache, &buf);
if(img) dt_image_cache_read_release(darktable.image_cache, img);
// ON CANVAS CONTROLS
if(use_splitline)
{
float scale = fminf(1.0, fminf(w / pw, h / ph));
// image coordinates
lib->overlay_x0 = 0.5 * (width - pw * scale);
lib->overlay_y0 = 0.5 * (height - ph * scale + BAR_HEIGHT);
lib->overlay_x1 = lib->overlay_x0 + pw * scale;
lib->overlay_y1 = lib->overlay_y0 + ph * scale;
// splitline position to absolute coords:
double sl_x = lib->overlay_x0 + lib->splitline_x * pw * scale;
double sl_y = lib->overlay_y0 + lib->splitline_y * ph * scale;
int x0 = sl_x, y0 = 0.0, x1 = x0, y1 = height;
if(lib->splitline_rotation % 2 != 0)
{
x0 = 0.0;
y0 = sl_y;
x1 = width;
y1 = y0;
}
gboolean mouse_over_control = (lib->splitline_rotation % 2 == 0) ? (fabs(sl_x - pointerx) < 5)
: (fabs(sl_y - pointery) < 5);
cairo_save(cr);
cairo_set_source_rgb(cr, .7, .7, .7);
cairo_set_line_width(cr, (mouse_over_control ? 2.0 : 0.5));
cairo_move_to(cr, x0, y0);
cairo_line_to(cr, x1, y1);
cairo_stroke(cr);
/* if mouse over control lets draw center rotate control, hide if split is dragged */
if(!lib->splitline_dragging && mouse_over_control)
{
cairo_set_line_width(cr, 0.5);
double s = width * HANDLE_SIZE;
dtgtk_cairo_paint_refresh(cr, sl_x - (s * 0.5), sl_y - (s * 0.5), s, s, 1);
}
cairo_restore(cr);
}
}
// GUIDES
if(cam->live_view_rotation % 2 == 1)
{
gint tmp = pw;
pw = ph;
ph = tmp;
}
float scale = 1.0;
// if(cam->live_view_zoom == FALSE)
// {
if(pw > w) scale = w / pw;
if(ph > h) scale = fminf(scale, h / ph);
// }
double sw = scale * pw;
double sh = scale * ph;
// draw guides
int guide_flip = dt_bauhaus_combobox_get(lib->flip_guides);
double left = (width - sw) * 0.5;
double top = (height + BAR_HEIGHT - sh) * 0.5;
double dashes = 5.0;
cairo_save(cr);
cairo_rectangle(cr, left, top, sw, sh);
cairo_clip(cr);
cairo_set_dash(cr, &dashes, 1, 0);
// Move coordinates to local center selection.
cairo_translate(cr, (sw / 2 + left), (sh / 2 + top));
// Flip horizontal.
if(guide_flip & FLAG_FLIP_HORIZONTAL) cairo_scale(cr, -1, 1);
// Flip vertical.
if(guide_flip & FLAG_FLIP_VERTICAL) cairo_scale(cr, 1, -1);
int which = dt_bauhaus_combobox_get(lib->guide_selector);
dt_guides_t *guide = (dt_guides_t *)g_list_nth_data(darktable.guides, which - 1);
if(guide)
{
guide->draw(cr, -sw / 2, -sh / 2, sw, sh, 1.0, guide->user_data);
cairo_stroke_preserve(cr);
cairo_set_dash(cr, &dashes, 0, 0);
cairo_set_source_rgba(cr, .3, .3, .3, .8);
cairo_stroke(cr);
}
cairo_restore(cr);
dt_pthread_mutex_unlock(&cam->live_view_pixbuf_mutex);
}
void
gfxContext::SetSource(gfxASurface *surface, const gfxPoint& offset)
{
NS_ASSERTION(surface->GetAllowUseAsSource(), "Surface not allowed to be used as source!");
cairo_set_source_surface(mCairo, surface->CairoSurface(), offset.x, offset.y);
}
gboolean ly_3lrc_desktop_on_expose_cb (GtkWidget * widget, cairo_t *cr, gpointer data)
{
gchar desktop_font[1024]="Sans Regular 25";
ly_reg_get("3lrc_desktop_font", "%1024[^\n]", desktop_font);
gchar path[1024];
g_snprintf(path,sizeof(path),"%sicon/null.png",LY_GLB_PROG_UIXDIR);
if(!desktop_bg)
desktop_bg=cairo_image_surface_create_from_png(path);
cairo_set_source_surface(cr, desktop_bg, 0, 0);
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
cairo_paint(cr);
int width;
int height;
width = gtk_widget_get_allocated_width (widget);
height = gtk_widget_get_allocated_height (widget);
int x=0;
int y=height;
//鼠标进入
if(flag_notify)
{
//填充圆角矩形拖动区域
cairo_set_source_rgba(cr,0,0,0,0.3);
cairo_move_to (cr, 0 + 5, 0);
cairo_line_to (cr, 0 + width - 5, 0);
cairo_move_to (cr, 0 + width, 0 + 5);
cairo_line_to (cr, 0 + width, 0 + height - 5);
cairo_move_to (cr, 0 + width - 5, 0 + height);
cairo_line_to (cr, 0 + 5, 0 + height);
cairo_move_to (cr, 0, 0 + height - 5);
cairo_line_to (cr, 0, 0 + 5);
cairo_arc (cr, 0 + 5, 0 + 5, 5, M_PI, 3 * M_PI / 2.0);
cairo_arc (cr, 0 + width - 5, 0 + 5, 5, 3 * M_PI / 2, 2 * M_PI);
cairo_arc (cr, 0 + width - 5, 0 + height - 5, 5, 0, M_PI / 2);
cairo_arc (cr, 0 + 5, 0 + height - 5, 5, M_PI / 2, M_PI);
cairo_fill(cr);
}
if(ly_lrc_get_length()>0)
{
//计算占空比
gint64 t1=0;
gint64 t2=0;
LyMdhMetadata *md=NULL;
md=ly_pqm_get_current_md();
if(!md)
return FALSE;
if(ly_lrc_get_index()+1<ly_lrc_get_length())
t1=(ly_lrc_get_array()[ly_lrc_get_index()+1])->time-(ly_lrc_get_array()[ly_lrc_get_index()])->time;
else
t1=ly_mdh_time_str2int(md->duration)-ly_mdh_time_str2int(md->start)-(ly_lrc_get_array()[ly_lrc_get_index()])->time;
t2=ly_aud_get_position_abs()-ly_mdh_time_str2int(md->start)-(ly_lrc_get_array()[ly_lrc_get_index()])->time;
if(t1!=0)
{
x=(int)((t2/(gdouble)t1)*pos_layout[X]);
}
//画歌词
cairo_set_source_rgb(cr,0,0,0);
//确定起始点
if((x>=width/2)&&(pos_layout[X]>width)&&(width<(pos_layout[X]-x)*2))
{
cairo_move_to(cr, 0-(x-width/2), 5);
x=width/2;
}
else if((x>=width/2)&&(pos_layout[X]>width)&&(width>=(pos_layout[X]-x)*2))
cairo_move_to(cr, 0-(pos_layout[X]-width), 5);
else
cairo_move_to(cr, 0, 5);
PangoLayout *layout;
PangoFontDescription *desc;
layout = pango_cairo_create_layout (cr);
pango_layout_set_text(layout, ly_lrc_get_array()[ly_lrc_get_index()]->text, -1);
desc = pango_font_description_from_string (desktop_font);
pango_layout_set_font_description (layout, desc);
pango_font_description_free (desc);
pango_layout_get_size(layout,&pos_layout[X],&pos_layout[Y]);
pos_layout[X]=pos_layout[X]/1000;
pango_cairo_update_layout (cr, layout);
pango_cairo_layout_path (cr, layout);
cairo_clip(cr);
g_object_unref (layout);
//画背景条
cairo_pattern_t *pat;
pat = cairo_pattern_create_linear (0, 0,10.0, 150);
cairo_pattern_add_color_stop_rgb (pat, 0.1, 65535/65535.0, 10449/65535.0, 0/65535.0);
cairo_pattern_add_color_stop_rgb (pat, 0.5, 65535/65535.0, 61062/65535.0, 0/65535.0);
cairo_pattern_add_color_stop_rgb (pat, 0.9, 65535/65535.0, 10449/65535.0, 0/65535.0);
//画矩形
if((x>=width/2)&&(pos_layout[X]>width)&&(width<(pos_layout[X]-x)*2))
cairo_rectangle (cr, 0, 0, width/2, y);
else if((x>=width/2)&&(pos_layout[X]>width)&&(width>=(pos_layout[X]-x)*2))
cairo_rectangle (cr, 0, 0, width-(pos_layout[X]-x), y);
else
cairo_rectangle (cr, 0, 0, x, y);
cairo_set_source (cr, pat);
cairo_fill(cr);
cairo_pattern_destroy (pat);
pat = cairo_pattern_create_linear (0, 0,10.0, 150);
cairo_pattern_add_color_stop_rgb (pat, 0.1, 19532/65535.0, 65535/65535.0, 65535/65535.0);
cairo_pattern_add_color_stop_rgb (pat, 0.5, 5539/65535.0, 0/65535.0, 65535/65535.0);
cairo_pattern_add_color_stop_rgb (pat, 0.9, 19532/65535.0, 65535/65535.0, 65535/65535.0);
//画矩形
if((x>=width/2)&&(pos_layout[X]>width)&&(width<(pos_layout[X]-x)*2))
cairo_rectangle (cr, width/2, 0, width-(width/2), y);
else if((x>=width/2)&&(pos_layout[X]>width)&&(width>=(pos_layout[X]-x)*2))
cairo_rectangle (cr, width-(pos_layout[X]-x), 0, pos_layout[X]-x, y);
else
cairo_rectangle (cr, x, 0, width-x, y);
cairo_set_source (cr, pat);
cairo_fill(cr);
cairo_pattern_destroy (pat);
}
int lrc_desktop=1;
int lrc_desktop_fix=0;
if(!ly_reg_get("3lrc_desktop_state", "%d:%d", &lrc_desktop, &lrc_desktop_fix))
{
ly_reg_set("3lrc_desktop_state", "%d:%d", lrc_desktop, lrc_desktop_fix);
}
if(lrc_desktop_fix>0)
gtk_widget_set_sensitive(widget,FALSE);
else
gtk_widget_set_sensitive(widget,TRUE);
cairo_region_t *region;
if(!(lrc_desktop_fix))
{
cairo_rectangle_int_t rect;
rect.x=rect.y=0;
rect.width=width;
rect.height=height;
region=cairo_region_create_rectangle(&rect);
}
else
{
region=cairo_region_create();
}
gdk_window_input_shape_combine_region (gtk_widget_get_window(widget), region, 0, 0);
cairo_region_destroy (region);
return FALSE;
}
static gboolean area_draw_cb(GtkWidget *widget, cairo_t *cr, Window *window) {
cairo_set_source_surface(cr, window->surface, 0, 0);
cairo_paint(cr);
return TRUE;
}
/* stereo-phase correlation display */
static bool pc_expose_event(RobWidget* handle, cairo_t* cr, cairo_rectangle_t *ev) {
MF2UI* ui = (MF2UI*)GET_HANDLE(handle);
if (!ui->sf_nfo && ui->nfo) {
PangoFontDescription *fd = pango_font_description_from_string("Sans 10px");
create_text_surface2(&ui->sf_nfo,
12, PC_BOUNDH,
0, PC_TOP,
ui->nfo, fd, M_PI * -.5, 7, c_g60);
pango_font_description_free(fd);
}
cairo_save(cr);
cairo_translate(cr, 0, rint((ui->m0_height - ui->height) * .5));
cairo_rectangle (cr, ev->x, ev->y, ev->width, ev->height);
cairo_clip (cr);
/* display phase-correlation */
cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
/* PC meter backgroud */
CairoSetSouerceRGBA(ui->c_bg);
cairo_rectangle (cr, 0, 0, PC_BOUNDW, PC_BOUNDH);
cairo_fill(cr);
CairoSetSouerceRGBA(c_blk);
cairo_set_line_width(cr, 1.0);
rounded_rectangle (cr, PC_LEFT-1, PC_TOP + 1.0, PC_WIDTH+2, PC_HEIGHT - 2.0, 3);
cairo_fill_preserve(cr);
cairo_save(cr);
cairo_clip(cr);
/* value */
CairoSetSouerceRGBA(c_glb);
const float c = rintf(PC_TOP + PC_BLOCKSIZE * ui->cor);
rounded_rectangle (cr, PC_LEFT, c, PC_WIDTH, PC_BLOCK, 4);
cairo_fill(cr);
/* labels w/ background */
cairo_set_source_surface(cr, ui->sf_pc[0], PC_LEFT, PC_TOP + 5);
cairo_paint (cr);
cairo_set_source_surface(cr, ui->sf_pc[1], PC_LEFT, PC_TOP + PC_HEIGHT - 25);
cairo_paint (cr);
cairo_restore(cr);
rounded_rectangle (cr, PC_LEFT - .5, PC_TOP + .5, PC_WIDTH + 1, PC_HEIGHT - 1, 3);
CairoSetSouerceRGBA(c_g90);
cairo_stroke(cr);
/* annotations */
cairo_set_operator (cr, CAIRO_OPERATOR_SCREEN);
CairoSetSouerceRGBA(c_grd);
cairo_set_line_width(cr, 1.0);
#define PC_ANNOTATION(YPOS, OFF) \
cairo_move_to(cr, PC_LEFT + OFF, rintf(PC_TOP + YPOS) + 0.5); \
cairo_line_to(cr, PC_LEFT + PC_WIDTH - OFF, rintf(PC_TOP + YPOS) + 0.5);\
cairo_stroke(cr);
PC_ANNOTATION(PC_HEIGHT * 0.1, 4.0);
PC_ANNOTATION(PC_HEIGHT * 0.2, 4.0);
PC_ANNOTATION(PC_HEIGHT * 0.3, 4.0);
PC_ANNOTATION(PC_HEIGHT * 0.4, 4.0);
PC_ANNOTATION(PC_HEIGHT * 0.6, 4.0);
PC_ANNOTATION(PC_HEIGHT * 0.7, 4.0);
PC_ANNOTATION(PC_HEIGHT * 0.8, 4.0);
PC_ANNOTATION(PC_HEIGHT * 0.9, 4.0);
CairoSetSouerceRGBA(c_glr);
cairo_set_line_width(cr, 1.5);
PC_ANNOTATION(PC_HEIGHT * 0.5, 1.5);
cairo_restore(cr);
if (ui->sf_nfo) {
cairo_rectangle (cr, ev->x, ev->y, ev->width, ev->height);
cairo_clip (cr);
cairo_set_source_surface(cr, ui->sf_nfo, PC_BOUNDW - 14, 0);
cairo_paint (cr);
}
return TRUE;
}
/**
* fo_doc_cairo_place_image:
* @fo_doc:
* @fo_image:
* @x:
* @y:
* @xscale:
* @yscale:
*
*
**/
static void
fo_doc_cairo_place_image (FoDoc *fo_doc,
FoImage *fo_image,
gdouble x G_GNUC_UNUSED,
gdouble y G_GNUC_UNUSED,
gdouble xscale G_GNUC_UNUSED,
gdouble yscale G_GNUC_UNUSED)
{
GdkPixbuf *pixbuf = g_object_ref (fo_pixbuf_get_pixbuf (fo_image));
gint width = gdk_pixbuf_get_width (pixbuf);
gint height = gdk_pixbuf_get_height (pixbuf);
guchar *gdk_pixels = gdk_pixbuf_get_pixels (pixbuf);
int gdk_rowstride = gdk_pixbuf_get_rowstride (pixbuf);
int n_channels = gdk_pixbuf_get_n_channels (pixbuf);
guchar *cairo_pixels;
cairo_format_t format;
cairo_surface_t *surface;
static const cairo_user_data_key_t key;
int j;
cairo_translate (FO_DOC_CAIRO (fo_doc)->cr,
0,
FO_DOC_CAIRO(fo_doc)->page_height);
cairo_save (FO_DOC_CAIRO(fo_doc)->cr);
cairo_scale (FO_DOC_CAIRO (fo_doc)->cr,
xscale * 72.0 / PIXELS_PER_INCH,
yscale * 72.0 / PIXELS_PER_INCH);
#if HAVE_LIBRSVG
if (g_str_has_suffix( fo_image_get_uri(fo_image), ".svg"))
{
RsvgHandle *rsvg;
GError *error = NULL;
g_log (G_LOG_DOMAIN,
G_LOG_LEVEL_DEBUG,
"rendering %s as SVG\n",
fo_image_get_uri(fo_image));
rsvg_init();
rsvg_set_default_dpi_x_y (PIXELS_PER_INCH, PIXELS_PER_INCH);
rsvg = rsvg_handle_new_from_file (fo_image_get_uri(fo_image), &error);
rsvg_handle_render_cairo (rsvg, FO_DOC_CAIRO(fo_doc)->cr);
rsvg_term();
cairo_restore (FO_DOC_CAIRO(fo_doc)->cr);
if (error) {
g_log (G_LOG_DOMAIN,
G_LOG_LEVEL_ERROR,
error->message);
g_error_free (error);
}
return;
}
#endif
if (n_channels == 3)
{
format = CAIRO_FORMAT_RGB24;
}
else
{
format = CAIRO_FORMAT_ARGB32;
}
cairo_pixels = g_malloc (4 * width * height);
surface = cairo_image_surface_create_for_data ((unsigned char *)cairo_pixels,
format,
width, height, 4 * width);
cairo_surface_set_user_data (surface, &key,
cairo_pixels, (cairo_destroy_func_t)g_free);
for (j = height; j; j--)
{
guchar *p = gdk_pixels;
guchar *q = cairo_pixels;
if (n_channels == 3)
{
guchar *end = p + 3 * width;
while (p < end)
{
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
q[0] = p[2];
q[1] = p[1];
q[2] = p[0];
#else
q[1] = p[0];
q[2] = p[1];
q[3] = p[2];
#endif
p += 3;
q += 4;
}
}
else
{
guchar *end = p + 4 * width;
guint t1,t2,t3;
#define MULT(d,c,a,t) G_STMT_START { t = c * a + 0x7f; d = ((t >> 8) + t) >> 8; } G_STMT_END
while (p < end)
{
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
MULT(q[0], p[2], p[3], t1);
MULT(q[1], p[1], p[3], t2);
MULT(q[2], p[0], p[3], t3);
q[3] = p[3];
#else
q[0] = p[3];
MULT(q[1], p[0], p[3], t1);
MULT(q[2], p[1], p[3], t2);
MULT(q[3], p[2], p[3], t3);
#endif
p += 4;
q += 4;
}
#undef MULT
}
gdk_pixels += gdk_rowstride;
cairo_pixels += 4 * width;
}
cairo_surface_set_fallback_resolution (surface,
PIXELS_PER_INCH,
PIXELS_PER_INCH);
cairo_set_source_surface (FO_DOC_CAIRO (fo_doc)->cr, surface, 0, 0);
cairo_pattern_t *pattern = cairo_get_source (FO_DOC_CAIRO (fo_doc)->cr);
cairo_pattern_set_extend (pattern,
CAIRO_EXTEND_NONE);
cairo_paint (FO_DOC_CAIRO (fo_doc)->cr);
cairo_surface_destroy (surface);
g_object_unref (pixbuf);
cairo_restore (FO_DOC_CAIRO(fo_doc)->cr);
}
static gboolean dt_iop_levels_area_draw(GtkWidget *widget, cairo_t *crf, gpointer user_data)
{
dt_iop_module_t *self = (dt_iop_module_t *)user_data;
dt_iop_levels_gui_data_t *c = (dt_iop_levels_gui_data_t *)self->gui_data;
dt_iop_levels_params_t *p = (dt_iop_levels_params_t *)self->params;
dt_develop_t *dev = darktable.develop;
const int inset = DT_GUI_CURVE_EDITOR_INSET;
GtkAllocation allocation;
gtk_widget_get_allocation(GTK_WIDGET(c->area), &allocation);
int width = allocation.width, height = allocation.height;
cairo_surface_t *cst = dt_cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cairo_t *cr = cairo_create(cst);
float mean_picked_color = *self->picked_color / 100.0;
/* we need to save the last picked color to prevent flickering when
* changing from one picker to another, as the picked_color value does not
* update as rapidly */
if(self->request_color_pick != DT_REQUEST_COLORPICK_OFF && self->color_picker_point[0] >= 0.0f
&& self->color_picker_point[1] >= 0.0f && self->picked_color_max[0] >= 0.0f
&& mean_picked_color != c->last_picked_color)
{
float previous_color[3];
previous_color[0] = p->levels[0];
previous_color[1] = p->levels[1];
previous_color[2] = p->levels[2];
c->last_picked_color = mean_picked_color;
if(BLACK == c->current_pick)
{
if(mean_picked_color > p->levels[1])
{
p->levels[0] = p->levels[1] - FLT_EPSILON;
}
else
{
p->levels[0] = mean_picked_color;
}
c->pick_xy_positions[0][0] = self->color_picker_point[0];
c->pick_xy_positions[0][1] = self->color_picker_point[1];
}
else if(GREY == c->current_pick)
{
if(mean_picked_color < p->levels[0] || mean_picked_color > p->levels[2])
{
p->levels[1] = p->levels[1];
}
else
{
p->levels[1] = mean_picked_color;
}
c->pick_xy_positions[1][0] = self->color_picker_point[0];
c->pick_xy_positions[1][1] = self->color_picker_point[1];
}
else if(WHITE == c->current_pick)
{
if(mean_picked_color < p->levels[1])
{
p->levels[2] = p->levels[1] + FLT_EPSILON;
}
else
{
p->levels[2] = mean_picked_color;
}
c->pick_xy_positions[2][0] = self->color_picker_point[0];
c->pick_xy_positions[2][1] = self->color_picker_point[1];
}
if(previous_color[0] != p->levels[0] || previous_color[1] != p->levels[1]
|| previous_color[2] != p->levels[2])
{
dt_dev_add_history_item(darktable.develop, self, TRUE);
}
}
// clear bg
cairo_set_source_rgb(cr, .2, .2, .2);
cairo_paint(cr);
cairo_translate(cr, inset, inset);
width -= 2 * inset;
height -= 2 * inset;
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(1.0));
cairo_set_source_rgb(cr, .1, .1, .1);
cairo_rectangle(cr, 0, 0, width, height);
cairo_stroke(cr);
cairo_set_source_rgb(cr, .3, .3, .3);
cairo_rectangle(cr, 0, 0, width, height);
cairo_fill(cr);
// draw grid
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(.4));
cairo_set_source_rgb(cr, .1, .1, .1);
if(dev->histogram_type == DT_DEV_HISTOGRAM_WAVEFORM)
dt_draw_waveform_lines(cr, 0, 0, width, height);
else
dt_draw_vertical_lines(cr, 4, 0, 0, width, height);
// Drawing the vertical line indicators
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(2.));
for(int k = 0; k < 3; k++)
{
if(k == c->handle_move && c->mouse_x > 0)
cairo_set_source_rgb(cr, 1, 1, 1);
else
cairo_set_source_rgb(cr, .7, .7, .7);
cairo_move_to(cr, width * p->levels[k], height);
cairo_rel_line_to(cr, 0, -height);
cairo_stroke(cr);
}
// draw x positions
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(1.));
const float arrw = DT_PIXEL_APPLY_DPI(7.0f);
for(int k = 0; k < 3; k++)
{
switch(k)
{
case 0:
cairo_set_source_rgb(cr, 0, 0, 0);
break;
case 1:
cairo_set_source_rgb(cr, 0.5, 0.5, 0.5);
break;
default:
cairo_set_source_rgb(cr, 1, 1, 1);
break;
}
cairo_move_to(cr, width * p->levels[k], height + inset - 1);
cairo_rel_line_to(cr, -arrw * .5f, 0);
cairo_rel_line_to(cr, arrw * .5f, -arrw);
cairo_rel_line_to(cr, arrw * .5f, arrw);
cairo_close_path(cr);
if(c->handle_move == k && c->mouse_x > 0)
cairo_fill(cr);
else
cairo_stroke(cr);
}
cairo_translate(cr, 0, height);
// draw lum histogram in background
// only if the module is enabled
if(self->enabled)
{
uint32_t *hist = self->histogram;
float hist_max = dev->histogram_type == DT_DEV_HISTOGRAM_LINEAR ? self->histogram_max[0]
: logf(1.0 + self->histogram_max[0]);
if(hist && hist_max > 0.0f)
{
cairo_save(cr);
cairo_scale(cr, width / 63.0, -(height - DT_PIXEL_APPLY_DPI(5)) / hist_max);
cairo_set_source_rgba(cr, .2, .2, .2, 0.5);
dt_draw_histogram_8(cr, hist, 0, dev->histogram_type == DT_DEV_HISTOGRAM_LINEAR); // TODO: make draw
// handle waveform
// histograms
cairo_restore(cr);
}
}
// Cleaning up
cairo_destroy(cr);
cairo_set_source_surface(crf, cst, 0, 0);
cairo_paint(crf);
cairo_surface_destroy(cst);
return TRUE;
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
cairo_surface_t *surface;
uint32_t data[STAMP_WIDTH * STAMP_HEIGHT] = {
0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000,
0xffffffff, 0xffffffff, 0xffff0000, 0xffff0000,
0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff,
0xff00ff00, 0xff00ff00, 0xff0000ff, 0xff0000ff
};
int i, j;
/* fill with off-white to avoid a separate rgb24 ref image */
cairo_save (cr);
cairo_set_source_rgb (cr, .7, .7, .7);
cairo_paint (cr);
cairo_restore (cr);
/* Draw reference lines where the jump should be. */
cairo_move_to (cr, PAD + STEPS / 2 * (STAMP_WIDTH + PAD), 0);
cairo_rel_line_to (cr, 0, IMAGE_HEIGHT);
cairo_move_to (cr, 0, PAD + STEPS / 2 * (STAMP_HEIGHT + PAD));
cairo_rel_line_to (cr, IMAGE_WIDTH, 0);
cairo_set_line_width (cr, 2.0);
cairo_stroke (cr);
surface = cairo_image_surface_create_for_data ((unsigned char *) data,
CAIRO_FORMAT_RGB24,
STAMP_WIDTH,
STAMP_HEIGHT,
STAMP_WIDTH * 4);
for (j=0; j < STEPS; j++) {
double j_step;
for (i=0; i < STEPS; i++) {
double i_step;
#define GENERATE_REFERENCE_IMAGE 0
#if GENERATE_REFERENCE_IMAGE
i_step = i >= STEPS / 2 ? 1 : 0;
j_step = j >= STEPS / 2 ? 1 : 0;
#else
i_step = i * 1.0 / STEPS;
j_step = j * 1.0 / STEPS;
#endif
cairo_save (cr);
cairo_set_source_surface (cr, surface,
PAD + i * (STAMP_WIDTH + PAD) + i_step,
PAD + j * (STAMP_HEIGHT + PAD) + j_step);
cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST);
cairo_paint (cr);
cairo_restore (cr);
}
}
cairo_surface_destroy (surface);
return CAIRO_TEST_SUCCESS;
}
int mikaGlWindow::eventExpose( )
{
static XImage *image = NULL;
static cairo_t *cairo = NULL;
static cairo_surface_t *csurface = NULL;
static cairo_surface_t *source = NULL;
#ifdef _GLDEBUG
printf("mikaGlWindow::eventExpose\n");
#endif
XGrabServer(window->dpy);
/**
csurface = cairo_xlib_surface_create(
window->dpy,
window->id,
DefaultVisual(window->dpy,window->screen),
mw,
mh
);
*/
csurface = cairo_image_surface_create_for_data(
window->surface,
CAIRO_FORMAT_ARGB32,
mw,
mh,
4*mw
);
source = cairo_image_surface_create_for_data(
surface->pixels,
CAIRO_FORMAT_ARGB32,
mw,
mh,
4*mw
);
printf("\tcheck 01\n");
cairo = cairo_create(csurface);
cairo_set_source_surface(cairo, source, 0, 0);
cairo_paint(cairo);
cairo_destroy(cairo);
cairo_surface_destroy(csurface);
cairo_surface_destroy(source);
printf("\tcheck 02\n");
XPutImage(
window->dpy,
window->id,
XDefaultGC(
window->dpy,
window->screen
),
window->ximage,
0,0,0,0,
mw,mh
);
XUngrabServer(window->dpy);
XFlush(window->dpy);
XSync(window->dpy,0);
return 0;
}
static void
demo2 (BroadwayOutput *output)
{
cairo_t *cr;
cairo_surface_t *surface, *old_surface;
BroadwayRect rects[2];
double da = 0;
int i;
broadway_output_new_surface(output, 0, 100, 100, 800, 600);
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
800, 600);
old_surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
800, 600);
cr = cairo_create (old_surface);
cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
cairo_rectangle (cr, 0, 0, 800, 600);
cairo_fill (cr);
cairo_destroy (cr);
for (i = 0; i < 100; i++)
{
cr = cairo_create (surface);
cairo_set_source_rgb (cr, 0.8, 0.8, 0.8);
cairo_rectangle (cr, 0, 0, 800, 600);
cairo_fill (cr);
snippet(cr, i);
cairo_destroy (cr);
if (i == 0)
{
broadway_output_put_rgb (output, 0, 0, 0, 800, 600, 800*4,
cairo_image_surface_get_data(surface)
);
broadway_output_show_surface (output, 0);
}
else
{
diff_surfaces (surface,
old_surface);
broadway_output_put_rgba (output, 0, 0, 0, 800, 600, 800*4,
cairo_image_surface_get_data(old_surface));
}
broadway_output_move_surface (output, 0, 100 + i, 100 + i);
rects[0].x = 500;
rects[0].y = 0;
rects[0].width = 100;
rects[0].height = 100;
rects[1].x = 600;
rects[1].y = 100;
rects[1].width = 100;
rects[1].height = 100;
broadway_output_copy_rectangles (output,
0,
rects, 2,
400, 0);
broadway_output_flush (output);
cr = cairo_create (old_surface);
cairo_set_source_surface (cr, surface, 0, 0);
cairo_paint (cr);
cairo_destroy (cr);
da += 10;
usleep (50 * 1000);
}
cairo_surface_destroy (surface);
broadway_output_destroy_surface(output, 0);
broadway_output_flush (output);
}
/**
* mate_bg_crossfade_start:
* @fade: a #MateBGCrossfade
* @window: The #GdkWindow to draw crossfade on
*
* This function initiates a quick crossfade between two surfaces on
* the background of @window. Before initiating the crossfade both
* mate_bg_crossfade_set_start_surface() and
* mate_bg_crossfade_set_end_surface() need to be called. If animations
* are disabled, the crossfade is skipped, and the window background is
* set immediately to the end surface.
**/
void
mate_bg_crossfade_start (MateBGCrossfade *fade,
GdkWindow *window)
{
GSource *source;
GMainContext *context;
g_return_if_fail (MATE_IS_BG_CROSSFADE (fade));
g_return_if_fail (window != NULL);
g_return_if_fail (fade->priv->start_surface != NULL);
g_return_if_fail (fade->priv->end_surface != NULL);
g_return_if_fail (!mate_bg_crossfade_is_started (fade));
g_return_if_fail (gdk_window_get_window_type (window) != GDK_WINDOW_FOREIGN);
/* If drawing is done on the root window,
* it is essential to have the root pixmap.
*/
if (gdk_window_get_window_type (window) == GDK_WINDOW_ROOT) {
GdkDisplay *display = gdk_window_get_display (window);
cairo_surface_t *surface = get_root_pixmap_id_surface (display);
g_return_if_fail (surface != NULL);
cairo_surface_destroy (surface);
}
if (fade->priv->fading_surface != NULL) {
cairo_surface_destroy (fade->priv->fading_surface);
fade->priv->fading_surface = NULL;
}
fade->priv->window = window;
if (gdk_window_get_window_type (fade->priv->window) != GDK_WINDOW_ROOT) {
fade->priv->fading_surface = tile_surface (fade->priv->start_surface,
fade->priv->width,
fade->priv->height);
if (fade->priv->widget != NULL) {
g_signal_connect (fade->priv->widget, "draw",
(GCallback) on_widget_draw, fade);
}
} else {
cairo_t *cr;
GdkDisplay *display = gdk_window_get_display (fade->priv->window);
fade->priv->fading_surface = get_root_pixmap_id_surface (display);
cr = cairo_create (fade->priv->fading_surface);
cairo_set_source_surface (cr, fade->priv->start_surface, 0, 0);
cairo_paint (cr);
cairo_destroy (cr);
}
draw_background (fade);
source = g_timeout_source_new (1000 / 60.0);
g_source_set_callback (source,
(GSourceFunc) on_tick,
fade,
(GDestroyNotify) on_finished);
context = g_main_context_default ();
fade->priv->timeout_id = g_source_attach (source, context);
g_source_unref (source);
fade->priv->is_first_frame = TRUE;
fade->priv->total_duration = .75;
fade->priv->start_time = get_current_time ();
}
void ChromeClient::widgetSizeChanged(const IntSize& oldWidgetSize, IntSize newSize)
{
#if USE(ACCELERATED_COMPOSITING)
AcceleratedCompositingContext* compositingContext = m_webView->priv->acceleratedCompositingContext.get();
if (compositingContext->enabled()) {
m_webView->priv->acceleratedCompositingContext->resizeRootLayer(newSize);
return;
}
#endif
// Grow the backing store by at least 1.5 times the current size. This prevents
// lots of unnecessary allocations during an opaque resize.
WidgetBackingStore* backingStore = m_webView->priv->backingStore.get();
if (backingStore && oldWidgetSize == newSize)
return;
if (backingStore) {
const IntSize& oldSize = backingStore->size();
if (newSize.width() > oldSize.width())
newSize.setWidth(std::max(newSize.width(), static_cast<int>(oldSize.width() * 1.5)));
if (newSize.height() > oldSize.height())
newSize.setHeight(std::max(newSize.height(), static_cast<int>(oldSize.height() * 1.5)));
}
// If we did not have a backing store before or if the backing store is growing, we need
// to reallocate a new one and set it up so that we don't see artifacts while resizing.
if (!backingStore
|| newSize.width() > backingStore->size().width()
|| newSize.height() > backingStore->size().height()) {
OwnPtr<WidgetBackingStore> newBackingStore = createBackingStore(GTK_WIDGET(m_webView), newSize);
RefPtr<cairo_t> cr = adoptRef(cairo_create(newBackingStore->cairoSurface()));
clearEverywhereInBackingStore(m_webView, cr.get());
// Now we copy the old backing store image over the new cleared surface to prevent
// annoying flashing as the widget grows. We do the "real" paint in a timeout
// since we don't want to block resizing too long.
if (backingStore) {
cairo_set_source_surface(cr.get(), backingStore->cairoSurface(), 0, 0);
cairo_rectangle(cr.get(), 0, 0, backingStore->size().width(), backingStore->size().height());
cairo_fill(cr.get());
}
m_webView->priv->backingStore = newBackingStore.release();
backingStore = m_webView->priv->backingStore.get();
} else if (oldWidgetSize.width() < newSize.width() || oldWidgetSize.height() < newSize.height()) {
// The widget is growing, but we did not need to create a new backing store.
// We should clear any old data outside of the old widget region.
RefPtr<cairo_t> cr = adoptRef(cairo_create(backingStore->cairoSurface()));
clipOutOldWidgetArea(cr.get(), oldWidgetSize, newSize);
clearEverywhereInBackingStore(m_webView, cr.get());
}
// We need to force a redraw and ignore the framerate cap.
m_lastDisplayTime = 0;
m_dirtyRegion.unite(IntRect(IntPoint(), backingStore->size()));
// WebCore timers by default have a lower priority which leads to more artifacts when opaque
// resize is on, thus we use g_timeout_add here to force a higher timeout priority.
if (!m_repaintSoonSourceId)
m_repaintSoonSourceId = g_timeout_add(0, reinterpret_cast<GSourceFunc>(repaintEverythingSoonTimeout), this);
}
static gboolean _lib_navigation_expose_callback(GtkWidget *widget, GdkEventExpose *event, gpointer user_data)
{
dt_lib_module_t *self = (dt_lib_module_t *)user_data;
dt_lib_navigation_t *d = (dt_lib_navigation_t *)self->data;
const int inset = DT_NAVIGATION_INSET;
GtkAllocation allocation;
gtk_widget_get_allocation(widget, &allocation);
int width = allocation.width, height = allocation.height;
dt_develop_t *dev = darktable.develop;
if (dev->preview_dirty) return FALSE;
/* get the current style */
GtkStyle *style=gtk_rc_get_style_by_paths(gtk_settings_get_default(), NULL,"GtkWidget", GTK_TYPE_WIDGET);
if(!style) style = gtk_rc_get_style(widget);
cairo_surface_t *cst = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cairo_t *cr = cairo_create(cst);
/* fill background */
cairo_set_source_rgb(cr, style->bg[0].red/65535.0, style->bg[0].green/65535.0, style->bg[0].blue/65535.0);
cairo_paint(cr);
width -= 2*inset;
height -= 2*inset;
cairo_translate(cr, inset, inset);
/* draw navigation image if available */
if(dev->preview_pipe->backbuf && !dev->preview_dirty)
{
dt_pthread_mutex_t *mutex = &dev->preview_pipe->backbuf_mutex;
dt_pthread_mutex_lock(mutex);
const int wd = dev->preview_pipe->backbuf_width;
const int ht = dev->preview_pipe->backbuf_height;
const float scale = fminf(width/(float)wd, height/(float)ht);
const int stride = cairo_format_stride_for_width (CAIRO_FORMAT_RGB24, wd);
cairo_surface_t *surface = cairo_image_surface_create_for_data (dev->preview_pipe->backbuf, CAIRO_FORMAT_RGB24, wd, ht, stride);
cairo_translate(cr, width/2.0, height/2.0f);
cairo_scale(cr, scale, scale);
cairo_translate(cr, -.5f*wd, -.5f*ht);
// draw shadow around
float alpha = 1.0f;
for(int k=0; k<4; k++)
{
cairo_rectangle(cr, -k/scale, -k/scale, wd + 2*k/scale, ht + 2*k/scale);
cairo_set_source_rgba(cr, 0, 0, 0, alpha);
alpha *= 0.6f;
cairo_fill(cr);
}
cairo_rectangle(cr, 0, 0, wd-2, ht-1);
cairo_set_source_surface (cr, surface, 0, 0);
cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_FAST);
cairo_fill(cr);
cairo_surface_destroy (surface);
dt_pthread_mutex_unlock(mutex);
// draw box where we are
dt_dev_zoom_t zoom;
int closeup;
float zoom_x, zoom_y;
DT_CTL_GET_GLOBAL(zoom, dev_zoom);
DT_CTL_GET_GLOBAL(closeup, dev_closeup);
DT_CTL_GET_GLOBAL(zoom_x, dev_zoom_x);
DT_CTL_GET_GLOBAL(zoom_y, dev_zoom_y);
const float min_scale = dt_dev_get_zoom_scale(dev, DT_ZOOM_FIT, closeup ? 2.0 : 1.0, 0);
const float cur_scale = dt_dev_get_zoom_scale(dev, zoom, closeup ? 2.0 : 1.0, 0);
// avoid numerical instability for small resolutions:
double h,w;
if(cur_scale > min_scale)
{
float boxw = 1, boxh = 1;
dt_dev_check_zoom_bounds(darktable.develop, &zoom_x, &zoom_y, zoom, closeup, &boxw, &boxh);
cairo_translate(cr, wd*(.5f+zoom_x), ht*(.5f+zoom_y));
cairo_set_source_rgb(cr, 0., 0., 0.);
cairo_set_line_width(cr, 1.f/scale);
boxw *= wd;
boxh *= ht;
cairo_rectangle(cr, -boxw/2-1, -boxh/2-1, boxw+2, boxh+2);
cairo_stroke(cr);
cairo_set_source_rgb(cr, 1., 1., 1.);
cairo_rectangle(cr, -boxw/2, -boxh/2, boxw, boxh);
cairo_stroke(cr);
}
if(fabsf(cur_scale - min_scale) > 0.001f)
{
/* Zoom % */
cairo_identity_matrix(cr);
cairo_translate(cr, 0, height);
cairo_set_source_rgba(cr, 1., 1., 1., 0.5);
cairo_select_font_face (cr, "sans-serif", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD);
cairo_set_font_size (cr, 11);
char zoomline[5];
snprintf(zoomline, 5, "%.0f%%", cur_scale*100);
cairo_text_extents_t ext;
cairo_text_extents(cr,zoomline,&ext);
h = d->zoom_h = ext.height;
w = d->zoom_w = ext.width;
cairo_move_to(cr,width-w-h*1.1,0);
cairo_save(cr);
cairo_set_line_width(cr, 2.0);
cairo_set_source_rgb(cr, style->bg[0].red/65535.0, style->bg[0].green/65535.0, style->bg[0].blue/65535.0);
cairo_text_path(cr, zoomline);
cairo_stroke_preserve(cr);
cairo_set_source_rgb(cr, 0.6, 0.6, 0.6);
cairo_fill(cr);
cairo_restore(cr);
}
else
{
//draw the zoom-to-fit icon
cairo_identity_matrix(cr);
cairo_translate(cr, 0, height);
cairo_set_source_rgb(cr, 0.6, 0.6, 0.6);
cairo_text_extents_t ext;
cairo_select_font_face (cr, "sans-serif", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD);
cairo_set_font_size (cr, 11);
cairo_text_extents(cr,"100%",&ext); //dummy text, just to get the height
h = d->zoom_h = ext.height;
w = h*1.5;
float sp = h*0.6;
d->zoom_w = w + sp;
cairo_move_to(cr,width-w-h-sp,-1.0*h);
cairo_rectangle(cr,width-w-h-sp,-1.0*h,w,h);
cairo_set_source_rgb(cr, 0.2, 0.2, 0.2);
cairo_fill(cr);
cairo_set_source_rgb(cr, 0.6, 0.6, 0.6);
cairo_move_to(cr,width-w*0.8-h-sp,-1.0*h);
cairo_line_to(cr,width-w-h-sp,-1.0*h);
cairo_line_to(cr,width-w-h-sp,-0.7*h);
cairo_stroke(cr);
cairo_move_to(cr,width-w-h-sp,-0.3*h);
cairo_line_to(cr,width-w-h-sp,0);
cairo_line_to(cr,width-w*0.8-h-sp,0);
cairo_stroke(cr);
cairo_move_to(cr,width-w*0.2-h-sp,0);
cairo_line_to(cr,width-h-sp,0);
cairo_line_to(cr,width-h-sp,-0.3*h);
cairo_stroke(cr);
cairo_move_to(cr,width-h-sp,-0.7*h);
cairo_line_to(cr,width-h-sp,-1.0*h);
cairo_line_to(cr,width-w*0.2-h-sp,-1.0*h);
cairo_stroke(cr);
}
cairo_move_to(cr, width-0.95*h, -0.9*h);
cairo_line_to(cr, width-0.05*h, -0.9*h);
cairo_line_to(cr, width-0.5*h, -0.1*h);
cairo_fill(cr);
}
/* blit memsurface into widget */
cairo_destroy(cr);
cairo_t *cr_pixmap = gdk_cairo_create(gtk_widget_get_window(widget));
cairo_set_source_surface (cr_pixmap, cst, 0, 0);
cairo_paint(cr_pixmap);
cairo_destroy(cr_pixmap);
cairo_surface_destroy(cst);
return TRUE;
}
static gboolean checker_draw(GtkWidget *widget, cairo_t *crf, gpointer user_data)
{
dt_iop_module_t *self = (dt_iop_module_t *)user_data;
dt_iop_colorchecker_gui_data_t *g = (dt_iop_colorchecker_gui_data_t *)self->gui_data;
dt_iop_colorchecker_params_t *p = (dt_iop_colorchecker_params_t *)self->params;
GtkAllocation allocation;
gtk_widget_get_allocation(widget, &allocation);
int width = allocation.width, height = allocation.height;
cairo_surface_t *cst = dt_cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cairo_t *cr = cairo_create(cst);
// clear bg
cairo_set_source_rgb(cr, .2, .2, .2);
cairo_paint(cr);
const float *picked_mean = self->picked_color;
int besti = 0, bestj = 0;
cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE);
int cells_x = 6, cells_y = 4;
if(p->num_patches > 24)
{
cells_x = 7;
cells_y = 7;
}
for(int j = 0; j < cells_y; j++)
{
for(int i = 0; i < cells_x; i++)
{
double rgb[3] = { 0.5, 0.5, 0.5 }; // Lab: rgb grey converted to Lab
cmsCIELab Lab;
const int patch = i + j*cells_x;
if(patch >= p->num_patches) continue;
Lab.L = p->source_L[patch];
Lab.a = p->source_a[patch];
Lab.b = p->source_b[patch];
if((picked_mean[0] - Lab.L)*(picked_mean[0] - Lab.L) +
(picked_mean[1] - Lab.a)*(picked_mean[1] - Lab.a) +
(picked_mean[2] - Lab.b)*(picked_mean[2] - Lab.b) <
(picked_mean[0] - p->source_L[cells_x*bestj+besti])*
(picked_mean[0] - p->source_L[cells_x*bestj+besti])+
(picked_mean[1] - p->source_a[cells_x*bestj+besti])*
(picked_mean[1] - p->source_a[cells_x*bestj+besti])+
(picked_mean[2] - p->source_b[cells_x*bestj+besti])*
(picked_mean[2] - p->source_b[cells_x*bestj+besti]))
{
besti = i;
bestj = j;
}
cmsDoTransform(g->xform, &Lab, rgb, 1);
cairo_set_source_rgb(cr, rgb[0], rgb[1], rgb[2]);
cairo_rectangle(cr, width * i / (float)cells_x, height * j / (float)cells_y,
width / (float)cells_x - DT_PIXEL_APPLY_DPI(1),
height / (float)cells_y - DT_PIXEL_APPLY_DPI(1));
cairo_fill(cr);
if(fabsf(p->target_L[patch] - p->source_L[patch]) > 1e-5f ||
fabsf(p->target_a[patch] - p->source_a[patch]) > 1e-5f ||
fabsf(p->target_b[patch] - p->source_b[patch]) > 1e-5f)
{
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(2.));
cairo_set_source_rgb(cr, 0.8, 0.8, 0.8);
cairo_rectangle(cr,
width * i / (float)cells_x + DT_PIXEL_APPLY_DPI(1),
height * j / (float)cells_y + DT_PIXEL_APPLY_DPI(1),
width / (float)cells_x - DT_PIXEL_APPLY_DPI(3),
height / (float)cells_y - DT_PIXEL_APPLY_DPI(3));
cairo_stroke(cr);
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(1.));
cairo_set_source_rgb(cr, 0.2, 0.2, 0.2);
cairo_rectangle(cr,
width * i / (float)cells_x + DT_PIXEL_APPLY_DPI(2),
height * j / (float)cells_y + DT_PIXEL_APPLY_DPI(2),
width / (float)cells_x - DT_PIXEL_APPLY_DPI(5),
height / (float)cells_y - DT_PIXEL_APPLY_DPI(5));
cairo_stroke(cr);
}
}
}
// highlight patch that is closest to picked colour,
// or the one selected in the combobox.
if(self->request_color_pick == DT_REQUEST_COLORPICK_OFF)
{
int i = dt_bauhaus_combobox_get(g->combobox_patch);
besti = i % cells_x;
bestj = i / cells_x;
g->drawn_patch = cells_x * bestj + besti;
}
else
{
// freshly picked, also select it in gui:
int pick = self->request_color_pick;
g->drawn_patch = cells_x * bestj + besti;
darktable.gui->reset = 1;
dt_bauhaus_combobox_set(g->combobox_patch, g->drawn_patch);
g->patch = g->drawn_patch;
self->gui_update(self);
darktable.gui->reset = 0;
self->request_color_pick = pick; // restore, the combobox will kill it
}
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(2.));
cairo_set_source_rgb(cr, 1.0, 1.0, 1.0);
cairo_rectangle(cr,
width * besti / (float)cells_x + DT_PIXEL_APPLY_DPI(5),
height * bestj / (float)cells_y + DT_PIXEL_APPLY_DPI(5),
width / (float)cells_x - DT_PIXEL_APPLY_DPI(11),
height / (float)cells_y - DT_PIXEL_APPLY_DPI(11));
cairo_stroke(cr);
cairo_destroy(cr);
cairo_set_source_surface(crf, cst, 0, 0);
cairo_paint(crf);
cairo_surface_destroy(cst);
return TRUE;
}
static gboolean _lib_navigation_draw_callback(GtkWidget *widget, cairo_t *crf, gpointer user_data)
{
dt_lib_module_t *self = (dt_lib_module_t *)user_data;
dt_lib_navigation_t *d = (dt_lib_navigation_t *)self->data;
const int inset = DT_NAVIGATION_INSET;
GtkAllocation allocation;
gtk_widget_get_allocation(widget, &allocation);
int width = allocation.width, height = allocation.height;
dt_develop_t *dev = darktable.develop;
/* double buffering of image data: only take new data if valid */
if(dev->preview_pipe->backbuf && dev->preview_status == DT_DEV_PIXELPIPE_VALID)
{
/* re-allocate in case of changed image dimensions */
if(d->buffer == NULL || dev->preview_pipe->backbuf_width != d->wd || dev->preview_pipe->backbuf_height != d->ht)
{
g_free(d->buffer);
d->wd = dev->preview_pipe->backbuf_width;
d->ht = dev->preview_pipe->backbuf_height;
d->buffer = g_malloc0((size_t)d->wd * d->ht * 4 * sizeof(unsigned char));
}
/* update buffer if new data is available */
if(d->buffer && dev->preview_pipe->input_timestamp > d->timestamp)
{
dt_pthread_mutex_t *mutex = &dev->preview_pipe->backbuf_mutex;
dt_pthread_mutex_lock(mutex);
memcpy(d->buffer, dev->preview_pipe->backbuf, (size_t)d->wd * d->ht * 4 * sizeof(unsigned char));
d->timestamp = dev->preview_pipe->input_timestamp;
dt_pthread_mutex_unlock(mutex);
}
}
/* get the current style */
cairo_surface_t *cst = dt_cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cairo_t *cr = cairo_create(cst);
GtkStyleContext *context = gtk_widget_get_style_context(widget);
gtk_render_background(context, cr, 0, 0, allocation.width, allocation.height);
width -= 2 * inset;
height -= 2 * inset;
cairo_translate(cr, inset, inset);
/* draw navigation image if available */
if(d->buffer)
{
cairo_save(cr);
const int wd = d->wd;
const int ht = d->ht;
const float scale = fminf(width / (float)wd, height / (float)ht);
const int stride = cairo_format_stride_for_width(CAIRO_FORMAT_RGB24, wd);
cairo_surface_t *surface
= cairo_image_surface_create_for_data(d->buffer, CAIRO_FORMAT_RGB24, wd, ht, stride);
cairo_translate(cr, width / 2.0, height / 2.0f);
cairo_scale(cr, scale, scale);
cairo_translate(cr, -.5f * wd, -.5f * ht);
// draw shadow around
float alpha = 1.0f;
for(int k = 0; k < 4; k++)
{
cairo_rectangle(cr, -k / scale, -k / scale, wd + 2 * k / scale, ht + 2 * k / scale);
cairo_set_source_rgba(cr, 0, 0, 0, alpha);
alpha *= 0.6f;
cairo_fill(cr);
}
cairo_rectangle(cr, 0, 0, wd - 2, ht - 1);
cairo_set_source_surface(cr, surface, 0, 0);
cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_FAST);
cairo_fill(cr);
cairo_surface_destroy(surface);
// draw box where we are
dt_dev_zoom_t zoom = dt_control_get_dev_zoom();
int closeup = dt_control_get_dev_closeup();
float zoom_x = dt_control_get_dev_zoom_x();
float zoom_y = dt_control_get_dev_zoom_y();
const float min_scale = dt_dev_get_zoom_scale(dev, DT_ZOOM_FIT, closeup ? 2.0 : 1.0, 0);
const float cur_scale = dt_dev_get_zoom_scale(dev, zoom, closeup ? 2.0 : 1.0, 0);
// avoid numerical instability for small resolutions:
double h, w;
if(cur_scale > min_scale)
{
float boxw = 1, boxh = 1;
dt_dev_check_zoom_bounds(darktable.develop, &zoom_x, &zoom_y, zoom, closeup, &boxw, &boxh);
cairo_translate(cr, wd * (.5f + zoom_x), ht * (.5f + zoom_y));
cairo_set_source_rgb(cr, 0., 0., 0.);
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(1.f / scale));
boxw *= wd;
boxh *= ht;
cairo_rectangle(cr, -boxw / 2 - 1, -boxh / 2 - 1, boxw + 2, boxh + 2);
cairo_stroke(cr);
cairo_set_source_rgb(cr, 1., 1., 1.);
cairo_rectangle(cr, -boxw / 2, -boxh / 2, boxw, boxh);
cairo_stroke(cr);
}
cairo_restore(cr);
if(fabsf(cur_scale - min_scale) > 0.001f)
{
/* Zoom % */
PangoLayout *layout;
PangoRectangle ink;
PangoFontDescription *desc = pango_font_description_copy_static(darktable.bauhaus->pango_font_desc);
pango_font_description_set_weight(desc, PANGO_WEIGHT_BOLD);
layout = pango_cairo_create_layout(cr);
const float fontsize = DT_PIXEL_APPLY_DPI(11);
pango_font_description_set_absolute_size(desc, fontsize * PANGO_SCALE);
pango_layout_set_font_description(layout, desc);
cairo_translate(cr, 0, height);
cairo_set_source_rgba(cr, 1., 1., 1., 0.5);
cairo_set_line_join(cr, CAIRO_LINE_JOIN_ROUND);
char zoomline[5];
snprintf(zoomline, sizeof(zoomline), "%.0f%%", cur_scale * 100);
pango_layout_set_text(layout, zoomline, -1);
pango_layout_get_pixel_extents(layout, &ink, NULL);
h = d->zoom_h = ink.height;
w = d->zoom_w = ink.width;
cairo_move_to(cr, width - w - h * 1.1 - ink.x, - fontsize);
cairo_save(cr);
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(2.0));
GdkRGBA *color;
gtk_style_context_get(context, gtk_widget_get_state_flags(widget), "background-color", &color, NULL);
gdk_cairo_set_source_rgba(cr, color);
pango_cairo_layout_path(cr, layout);
cairo_stroke_preserve(cr);
cairo_set_source_rgb(cr, 0.6, 0.6, 0.6);
cairo_fill(cr);
cairo_restore(cr);
gdk_rgba_free(color);
pango_font_description_free(desc);
g_object_unref(layout);
}
else
{
// draw the zoom-to-fit icon
cairo_translate(cr, 0, height);
cairo_set_source_rgb(cr, 0.6, 0.6, 0.6);
static int height = -1;
if(height == -1)
{
PangoLayout *layout;
PangoRectangle ink;
PangoFontDescription *desc = pango_font_description_copy_static(darktable.bauhaus->pango_font_desc);
pango_font_description_set_weight(desc, PANGO_WEIGHT_BOLD);
layout = pango_cairo_create_layout(cr);
pango_font_description_set_absolute_size(desc, DT_PIXEL_APPLY_DPI(11) * PANGO_SCALE);
pango_layout_set_font_description(layout, desc);
pango_layout_set_text(layout, "100%", -1); // dummy text, just to get the height
pango_layout_get_pixel_extents(layout, &ink, NULL);
height = ink.height;
pango_font_description_free(desc);
g_object_unref(layout);
}
h = d->zoom_h = height;
w = h * 1.5;
float sp = h * 0.6;
d->zoom_w = w + sp;
cairo_move_to(cr, width - w - h - sp, -1.0 * h);
cairo_rectangle(cr, width - w - h - sp, -1.0 * h, w, h);
cairo_set_source_rgb(cr, 0.2, 0.2, 0.2);
cairo_fill(cr);
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(2.0));
cairo_set_source_rgb(cr, 0.6, 0.6, 0.6);
cairo_move_to(cr, width - w * 0.8 - h - sp, -1.0 * h);
cairo_line_to(cr, width - w - h - sp, -1.0 * h);
cairo_line_to(cr, width - w - h - sp, -0.7 * h);
cairo_stroke(cr);
cairo_move_to(cr, width - w - h - sp, -0.3 * h);
cairo_line_to(cr, width - w - h - sp, 0);
cairo_line_to(cr, width - w * 0.8 - h - sp, 0);
cairo_stroke(cr);
cairo_move_to(cr, width - w * 0.2 - h - sp, 0);
cairo_line_to(cr, width - h - sp, 0);
cairo_line_to(cr, width - h - sp, -0.3 * h);
cairo_stroke(cr);
cairo_move_to(cr, width - h - sp, -0.7 * h);
cairo_line_to(cr, width - h - sp, -1.0 * h);
cairo_line_to(cr, width - w * 0.2 - h - sp, -1.0 * h);
cairo_stroke(cr);
}
cairo_move_to(cr, width - 0.95 * h, -0.9 * h);
cairo_line_to(cr, width - 0.05 * h, -0.9 * h);
cairo_line_to(cr, width - 0.5 * h, -0.1 * h);
cairo_fill(cr);
}
/* blit memsurface into widget */
cairo_destroy(cr);
cairo_set_source_surface(crf, cst, 0, 0);
cairo_paint(crf);
cairo_surface_destroy(cst);
return TRUE;
}
static gboolean
calf_tube_expose (GtkWidget *widget, GdkEventExpose *event)
{
g_assert(CALF_IS_TUBE(widget));
CalfTube *self = CALF_TUBE(widget);
GdkWindow *window = widget->window;
GtkStyle *style = gtk_widget_get_style(widget);
cairo_t *c = gdk_cairo_create(GDK_DRAWABLE(window));
int ox = 4, oy = 4, inner = 1, pad;
int sx = widget->allocation.width - (ox * 2), sy = widget->allocation.height - (oy * 2);
if( self->cache_surface == NULL ) {
// looks like its either first call or the widget has been resized.
// create the cache_surface.
cairo_surface_t *window_surface = cairo_get_target( c );
self->cache_surface = cairo_surface_create_similar( window_surface,
CAIRO_CONTENT_COLOR,
widget->allocation.width,
widget->allocation.height );
// And render the meterstuff again.
cairo_t *cache_cr = cairo_create( self->cache_surface );
// theme background for reduced width and round borders
// if(widget->style->bg_pixmap[0] == NULL) {
gdk_cairo_set_source_color(cache_cr,&style->bg[GTK_STATE_NORMAL]);
// } else {
// gdk_cairo_set_source_pixbuf(cache_cr, GDK_PIXBUF(widget->style->bg_pixmap[0]), widget->allocation.x, widget->allocation.y + 20);
// }
cairo_paint(cache_cr);
// outer (black)
pad = 0;
cairo_rectangle(cache_cr, pad, pad, sx + ox * 2 - pad * 2, sy + oy * 2 - pad * 2);
cairo_set_source_rgb(cache_cr, 0, 0, 0);
cairo_fill(cache_cr);
// inner (bevel)
pad = 1;
cairo_rectangle(cache_cr, pad, pad, sx + ox * 2 - pad * 2, sy + oy * 2 - pad * 2);
cairo_pattern_t *pat2 = cairo_pattern_create_linear (0, 0, 0, sy + oy * 2 - pad * 2);
cairo_pattern_add_color_stop_rgba (pat2, 0, 0.23, 0.23, 0.23, 1);
cairo_pattern_add_color_stop_rgba (pat2, 0.5, 0, 0, 0, 1);
cairo_set_source (cache_cr, pat2);
cairo_fill(cache_cr);
cairo_pattern_destroy(pat2);
cairo_rectangle(cache_cr, ox, oy, sx, sy);
cairo_set_source_rgb (cache_cr, 0, 0, 0);
cairo_fill(cache_cr);
cairo_surface_t *image;
switch(self->direction) {
case 1:
// vertical
switch(self->size) {
default:
case 1:
image = cairo_image_surface_create_from_png (PKGLIBDIR "tubeV1.png");
break;
case 2:
image = cairo_image_surface_create_from_png (PKGLIBDIR "tubeV2.png");
break;
}
break;
default:
case 2:
// horizontal
switch(self->size) {
default:
case 1:
image = cairo_image_surface_create_from_png (PKGLIBDIR "tubeH1.png");
break;
case 2:
image = cairo_image_surface_create_from_png (PKGLIBDIR "tubeH2.png");
break;
}
break;
}
cairo_set_source_surface (cache_cr, image, widget->allocation.width / 2 - sx / 2 + inner, widget->allocation.height / 2 - sy / 2 + inner);
cairo_paint (cache_cr);
cairo_surface_destroy (image);
cairo_destroy( cache_cr );
}
cairo_set_source_surface( c, self->cache_surface, 0,0 );
cairo_paint( c );
// get microseconds
timeval tv;
gettimeofday(&tv, 0);
long time = tv.tv_sec * 1000 * 1000 + tv.tv_usec;
// limit to 1.f
float value_orig = self->value > 1.f ? 1.f : self->value;
value_orig = value_orig < 0.f ? 0.f : value_orig;
float value = 0.f;
float s = ((float)(time - self->last_falltime) / 1000000.0);
float m = self->last_falloff * s * 2.5;
self->last_falloff -= m;
// new max value?
if(value_orig > self->last_falloff) {
self->last_falloff = value_orig;
}
value = self->last_falloff;
self->last_falltime = time;
self->falling = self->last_falloff > 0.000001;
cairo_pattern_t *pat;
// draw upper light
switch(self->direction) {
case 1:
// vertical
cairo_arc(c, ox + sx * 0.5, oy + sy * 0.2, sx, 0, 2 * M_PI);
pat = cairo_pattern_create_radial (ox + sx * 0.5, oy + sy * 0.2, 3, ox + sx * 0.5, oy + sy * 0.2, sx);
break;
default:
case 2:
// horizontal
cairo_arc(c, ox + sx * 0.8, oy + sy * 0.5, sy, 0, 2 * M_PI);
pat = cairo_pattern_create_radial (ox + sx * 0.8, oy + sy * 0.5, 3, ox + sx * 0.8, oy + sy * 0.5, sy);
break;
}
cairo_pattern_add_color_stop_rgba (pat, 0, 1, 1, 1, value);
cairo_pattern_add_color_stop_rgba (pat, 0.3, 1, 0.8, 0.3, value * 0.4);
cairo_pattern_add_color_stop_rgba (pat, 0.31, 0.9, 0.5, 0.1, value * 0.5);
cairo_pattern_add_color_stop_rgba (pat, 1, 0.0, 0.2, 0.7, 0);
cairo_set_source (c, pat);
cairo_fill(c);
// draw lower light
switch(self->direction) {
case 1:
// vertical
cairo_arc(c, ox + sx * 0.5, oy + sy * 0.75, sx / 2, 0, 2 * M_PI);
pat = cairo_pattern_create_radial (ox + sx * 0.5, oy + sy * 0.75, 2, ox + sx * 0.5, oy + sy * 0.75, sx / 2);
break;
default:
case 2:
// horizontal
cairo_arc(c, ox + sx * 0.25, oy + sy * 0.5, sy / 2, 0, 2 * M_PI);
pat = cairo_pattern_create_radial (ox + sx * 0.25, oy + sy * 0.5, 2, ox + sx * 0.25, oy + sy * 0.5, sy / 2);
break;
}
cairo_pattern_add_color_stop_rgba (pat, 0, 1, 1, 1, value);
cairo_pattern_add_color_stop_rgba (pat, 0.3, 1, 0.8, 0.3, value * 0.4);
cairo_pattern_add_color_stop_rgba (pat, 0.31, 0.9, 0.5, 0.1, value * 0.5);
cairo_pattern_add_color_stop_rgba (pat, 1, 0.0, 0.2, 0.7, 0);
cairo_set_source (c, pat);
cairo_fill(c);
cairo_destroy(c);
return TRUE;
}
gboolean cd_slider_fade_in_out (GldiModuleInstance *myApplet) {
myData.iAnimCNT ++;
if (myData.iAnimCNT <= myConfig.iNbAnimationStep) // courbe de alpha : \__/
myData.fAnimAlpha = 1. * (myConfig.iNbAnimationStep - myData.iAnimCNT) / myConfig.iNbAnimationStep;
else if (myData.iAnimCNT <= 1.5 * myConfig.iNbAnimationStep)
{
return TRUE; // on ne fait rien, texture inchangee.
}
else
myData.fAnimAlpha = 1. * (myData.iAnimCNT - 1.5 * myConfig.iNbAnimationStep) / myConfig.iNbAnimationStep;
if (CD_APPLET_MY_CONTAINER_IS_OPENGL)
{
CD_APPLET_START_DRAWING_MY_ICON_OR_RETURN (FALSE);
if (myData.iAnimCNT < myConfig.iNbAnimationStep && myData.iPrevTexture != 0) // image precedente en train de disparaitre
{
//On empeche la transparence
_cd_slider_add_background_to_prev_slide_opengl (myApplet, 0., 0., myData.fAnimAlpha);
//Image
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable (GL_TEXTURE_2D);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glColor4f (1., 1., 1., myData.fAnimAlpha);
cairo_dock_apply_texture_at_size (myData.iPrevTexture, myData.prevSlideArea.fImgW, myData.prevSlideArea.fImgH);
}
else if (myData.iAnimCNT > myConfig.iNbAnimationStep) // image courante en train d'apparaitre.
{
//On empeche la transparence
_cd_slider_add_background_to_current_slide_opengl (myApplet, 0., 0., myData.fAnimAlpha);
//Image
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable (GL_TEXTURE_2D);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glColor4f (1., 1., 1., myData.fAnimAlpha);
cairo_dock_apply_texture_at_size (myData.iTexture, myData.slideArea.fImgW, myData.slideArea.fImgH);
}
glDisable (GL_TEXTURE_2D);
glDisable (GL_BLEND);
CD_APPLET_FINISH_DRAWING_MY_ICON;
}
else
{
CD_APPLET_START_DRAWING_MY_ICON_OR_RETURN_CAIRO (FALSE);
//On efface le fond
///_cd_slider_erase_surface (myApplet);
if (myData.iAnimCNT < myConfig.iNbAnimationStep) // image precedente en train de disparaitre
{
//On empeche la transparence
_cd_slider_add_background_to_prev_slide (myApplet, myData.prevSlideArea.fImgX, myData.prevSlideArea.fImgY, myData.fAnimAlpha);
//Image
cairo_set_source_surface (myDrawContext, myData.pPrevCairoSurface, myData.prevSlideArea.fImgX, myData.prevSlideArea.fImgY);
}
else if (myData.iAnimCNT > myConfig.iNbAnimationStep) // image courante en train d'apparaitre.
{
//On empeche la transparence
_cd_slider_add_background_to_current_slide (myApplet, myData.slideArea.fImgX, myData.slideArea.fImgY, myData.fAnimAlpha);
//Image
cairo_set_source_surface (myDrawContext, myData.pCairoSurface, myData.slideArea.fImgX, myData.slideArea.fImgY);
}
cairo_paint_with_alpha (myDrawContext, myData.fAnimAlpha);
CD_APPLET_FINISH_DRAWING_MY_ICON_CAIRO;
}
return (myData.fAnimAlpha < .99);
}
static void
gimp_view_render_temp_buf_to_surface (GimpViewRenderer *renderer,
GtkWidget *widget,
GimpTempBuf *temp_buf,
gint temp_buf_x,
gint temp_buf_y,
gint channel,
GimpViewBG inside_bg,
GimpViewBG outside_bg,
cairo_surface_t *surface,
gint surface_width,
gint surface_height)
{
cairo_t *cr;
gint x, y;
gint width, height;
const Babl *temp_buf_format;
gint temp_buf_width;
gint temp_buf_height;
g_return_if_fail (temp_buf != NULL);
g_return_if_fail (surface != NULL);
temp_buf_format = gimp_temp_buf_get_format (temp_buf);
temp_buf_width = gimp_temp_buf_get_width (temp_buf);
temp_buf_height = gimp_temp_buf_get_height (temp_buf);
/* Here are the different cases this functions handles correctly:
* 1) Offset temp_buf which does not necessarily cover full image area
* 2) Color conversion of temp_buf if it is gray and image is color
* 3) Background check buffer for transparent temp_bufs
* 4) Using the optional "channel" argument, one channel can be extracted
* from a multi-channel temp_buf and composited as a grayscale
* Prereqs:
* 1) Grayscale temp_bufs have bytes == {1, 2}
* 2) Color temp_bufs have bytes == {3, 4}
* 3) If image is gray, then temp_buf should have bytes == {1, 2}
*/
cr = cairo_create (surface);
if (outside_bg == GIMP_VIEW_BG_CHECKS ||
inside_bg == GIMP_VIEW_BG_CHECKS)
{
if (! renderer->pattern)
renderer->pattern =
gimp_cairo_checkerboard_create (cr, GIMP_CHECK_SIZE_SM,
gimp_render_light_check_color (),
gimp_render_dark_check_color ());
}
switch (outside_bg)
{
case GIMP_VIEW_BG_CHECKS:
cairo_set_source (cr, renderer->pattern);
break;
case GIMP_VIEW_BG_WHITE:
cairo_set_source_rgb (cr, 1.0, 1.0, 1.0);
break;
}
cairo_paint (cr);
if (! gimp_rectangle_intersect (0, 0,
surface_width, surface_height,
temp_buf_x, temp_buf_y,
temp_buf_width, temp_buf_height,
&x, &y,
&width, &height))
{
cairo_destroy (cr);
return;
}
if (inside_bg != outside_bg &&
babl_format_has_alpha (temp_buf_format) && channel == -1)
{
cairo_rectangle (cr, x, y, width, height);
switch (inside_bg)
{
case GIMP_VIEW_BG_CHECKS:
cairo_set_source (cr, renderer->pattern);
break;
case GIMP_VIEW_BG_WHITE:
cairo_set_source_rgb (cr, 1.0, 1.0, 1.0);
break;
}
cairo_fill (cr);
}
if (babl_format_has_alpha (temp_buf_format) && channel == -1)
{
GeglBuffer *src_buffer;
GeglBuffer *dest_buffer;
cairo_surface_t *alpha_surface;
alpha_surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
width, height);
src_buffer = gimp_temp_buf_create_buffer (temp_buf);
dest_buffer = gimp_cairo_surface_create_buffer (alpha_surface);
if (! renderer->profile_transform)
gimp_view_renderer_transform_create (renderer, widget,
src_buffer, dest_buffer);
if (renderer->profile_transform)
{
gimp_gegl_convert_color_transform (src_buffer,
GEGL_RECTANGLE (x - temp_buf_x,
y - temp_buf_y,
width, height),
renderer->profile_src_format,
dest_buffer,
GEGL_RECTANGLE (0, 0, 0, 0),
renderer->profile_dest_format,
renderer->profile_transform);
}
else
{
gegl_buffer_copy (src_buffer,
GEGL_RECTANGLE (x - temp_buf_x,
y - temp_buf_y,
width, height),
GEGL_ABYSS_NONE,
dest_buffer,
GEGL_RECTANGLE (0, 0, 0, 0));
}
g_object_unref (src_buffer);
g_object_unref (dest_buffer);
cairo_surface_mark_dirty (alpha_surface);
cairo_translate (cr, x, y);
cairo_rectangle (cr, 0, 0, width, height);
cairo_set_source_surface (cr, alpha_surface, 0, 0);
cairo_fill (cr);
cairo_surface_destroy (alpha_surface);
}
else if (channel == -1)
{
GeglBuffer *src_buffer;
GeglBuffer *dest_buffer;
cairo_surface_flush (surface);
src_buffer = gimp_temp_buf_create_buffer (temp_buf);
dest_buffer = gimp_cairo_surface_create_buffer (surface);
if (! renderer->profile_transform)
gimp_view_renderer_transform_create (renderer, widget,
src_buffer, dest_buffer);
if (renderer->profile_transform)
{
gimp_gegl_convert_color_transform (src_buffer,
GEGL_RECTANGLE (x - temp_buf_x,
y - temp_buf_y,
width, height),
renderer->profile_src_format,
dest_buffer,
GEGL_RECTANGLE (x, y, 0, 0),
renderer->profile_dest_format,
renderer->profile_transform);
}
else
{
gegl_buffer_copy (src_buffer,
GEGL_RECTANGLE (x - temp_buf_x,
y - temp_buf_y,
width, height),
GEGL_ABYSS_NONE,
dest_buffer,
GEGL_RECTANGLE (x, y, 0, 0));
}
g_object_unref (src_buffer);
g_object_unref (dest_buffer);
cairo_surface_mark_dirty (surface);
}
else
{
const Babl *fish;
const guchar *src;
guchar *dest;
gint dest_stride;
gint bytes;
gint rowstride;
gint i;
cairo_surface_flush (surface);
bytes = babl_format_get_bytes_per_pixel (temp_buf_format);
rowstride = temp_buf_width * bytes;
src = gimp_temp_buf_get_data (temp_buf) + ((y - temp_buf_y) * rowstride +
(x - temp_buf_x) * bytes);
dest = cairo_image_surface_get_data (surface);
dest_stride = cairo_image_surface_get_stride (surface);
dest += y * dest_stride + x * 4;
fish = babl_fish (temp_buf_format,
babl_format ("cairo-RGB24"));
for (i = y; i < (y + height); i++)
{
const guchar *s = src;
guchar *d = dest;
gint j;
for (j = x; j < (x + width); j++, d += 4, s += bytes)
{
if (bytes > 2)
{
guchar pixel[4] = { s[channel], s[channel], s[channel], 255 };
babl_process (fish, pixel, d, 1);
}
else
{
guchar pixel[2] = { s[channel], 255 };
babl_process (fish, pixel, d, 1);
}
}
src += rowstride;
dest += dest_stride;
}
cairo_surface_mark_dirty (surface);
}
cairo_destroy (cr);
}