void
gofu_render_grid_starpoint_round (cairo_t * cr)
{
cairo_arc (cr, 0., 0., 1., 0., 2 * G_PI);
cairo_close_path (cr);
}
static void
ppg_ruler_draw_arrow (PpgRuler *ruler)
{
PpgRulerPrivate *priv;
GtkStyle *style;
GdkColor base_light;
GdkColor base_dark;
GdkColor hl_light;
GdkColor hl_dark;
cairo_t *cr;
gint half;
gint line_width;
gint center;
gint middle;
gdouble top;
gdouble bottom;
gdouble left;
gdouble right;
g_return_if_fail(PPG_IS_RULER(ruler));
priv = ruler->priv;
style = gtk_widget_get_style(GTK_WIDGET(ruler));
cr = gdk_cairo_create(priv->arrow);
cairo_save(cr);
cairo_set_operator(cr, CAIRO_OPERATOR_CLEAR);
cairo_rectangle(cr, 0, 0, ARROW_SIZE, ARROW_SIZE);
cairo_fill(cr);
cairo_restore(cr);
center = middle = half = ARROW_SIZE / 2;
line_width = half / 6;
base_light = style->light[GTK_STATE_SELECTED];
base_dark = style->dark[GTK_STATE_SELECTED];
hl_light = style->light[GTK_STATE_SELECTED];
hl_dark = style->mid[GTK_STATE_SELECTED];
top = middle - half + line_width + 0.5;
bottom = middle + half - line_width + 0.5;
left = center - half + line_width + 0.5;
right = center +half - line_width - 0.5;
cairo_set_line_width(cr, line_width);
cairo_move_to(cr, left + line_width, top + line_width);
cairo_line_to(cr, right + line_width, top + line_width);
cairo_line_to(cr, right + line_width, middle + line_width);
cairo_line_to(cr, center + line_width, bottom + line_width);
cairo_line_to(cr, left + line_width, middle + line_width);
cairo_line_to(cr, left + line_width, top + line_width);
cairo_close_path(cr);
cairo_set_source_rgba(cr, 0, 0, 0, 0.5);
cairo_fill(cr);
cairo_move_to(cr, left, top);
cairo_line_to(cr, center, top);
cairo_line_to(cr, center, bottom);
cairo_line_to(cr, left, middle);
cairo_line_to(cr, left, top);
cairo_close_path(cr);
gdk_cairo_set_source_color(cr, &base_light);
cairo_fill(cr);
cairo_move_to(cr, center, top);
cairo_line_to(cr, right, top);
cairo_line_to(cr, right, middle);
cairo_line_to(cr, center, bottom);
cairo_line_to(cr, center, top);
cairo_close_path(cr);
gdk_cairo_set_source_color(cr, &base_light);
cairo_fill_preserve(cr);
cairo_set_source_rgba(cr,
base_dark.red / 65535.0,
base_dark.green / 65535.0,
base_dark.blue / 65535.0,
0.5);
cairo_fill(cr);
cairo_move_to(cr, left + line_width, top + line_width);
cairo_line_to(cr, right - line_width, top + line_width);
cairo_line_to(cr, right - line_width, middle);
cairo_line_to(cr, center, bottom - line_width - 0.5);
cairo_line_to(cr, left + line_width, middle);
cairo_line_to(cr, left + line_width, top + line_width);
cairo_close_path(cr);
gdk_cairo_set_source_color(cr, &hl_light);
cairo_stroke(cr);
cairo_move_to(cr, left, top);
cairo_line_to(cr, right, top);
cairo_line_to(cr, right, middle);
cairo_line_to(cr, center, bottom);
cairo_line_to(cr, left, middle);
cairo_line_to(cr, left, top);
cairo_close_path(cr);
gdk_cairo_set_source_color(cr, &base_dark);
cairo_stroke(cr);
cairo_destroy(cr);
}
static void
_paint_lyrics (OlScrollWindow *scroll, cairo_t *cr)
{
ol_assert (OL_IS_SCROLL_WINDOW (scroll));
GtkWidget *widget = GTK_WIDGET (scroll);
ol_assert (GTK_WIDGET_REALIZED (widget));
OlScrollWindowPrivate *priv = OL_SCROLL_WINDOW_GET_PRIVATE (scroll);
int line_height = ol_scroll_window_get_font_height (scroll) + priv->line_margin;
int count = ol_scroll_window_compute_line_count (scroll);
gint width, height;
gdk_drawable_get_size (gtk_widget_get_window (GTK_WIDGET (scroll)),
&width, &height);
/* set the font */
PangoLayout *layout = _get_pango (scroll, cr);
/* paint the lyrics*/
cairo_save (cr);
cairo_new_path (cr);
cairo_rectangle (cr,
priv->padding_x, 0,
width - priv->padding_x * 2,
height - priv->padding_y * 2);
cairo_close_path (cr);
cairo_clip (cr);
int i;
gint current_lyric_id;
gint lrc_y;
_calc_paint_pos (scroll,
¤t_lyric_id,
&lrc_y);
int begin = current_lyric_id - count / 2;
int end = current_lyric_id + count / 2 + 1;
int ypos = height / 2 - lrc_y - (count / 2 + 1) * line_height;
cairo_set_source_rgb(cr,
priv->inactive_color.r,
priv->inactive_color.g,
priv->inactive_color.b);
if (scroll->whole_lyrics != NULL) {
for (i = begin; i < end; i++) {
ypos += line_height;
if (i < 0) continue;
if (i >= scroll->whole_lyrics->len)
break;
pango_layout_set_text (layout,
g_ptr_array_index (scroll->whole_lyrics, i),
-1);
cairo_save (cr);
double ratio = _get_active_color_ratio (scroll, i);
double alpha = 1.0;
if (ypos < line_height / 2.0 + priv->padding_y)
alpha = 1.0 - (line_height / 2.0 + priv->padding_y - ypos) * 1.0 / line_height * 2;
else if (ypos > height - line_height * 1.5 - priv->padding_y)
alpha = (height - line_height - priv->padding_y - ypos) * 1.0 / line_height * 2;
if (alpha < 0.0) alpha = 0.0;
cairo_set_source_rgba (cr,
priv->active_color.r * ratio +
priv->inactive_color.r * (1 - ratio),
priv->active_color.g * ratio +
priv->inactive_color.g * (1 - ratio),
priv->active_color.b * ratio +
priv->inactive_color.b * (1 - ratio),
alpha);
cairo_move_to (cr, priv->padding_x, ypos);
pango_cairo_update_layout (cr, layout);
pango_cairo_show_layout (cr, layout);
cairo_restore (cr);
}
}
g_object_unref (layout);
cairo_reset_clip (cr);
cairo_restore (cr);
}
int plotstuff_close_path(plot_args_t* pargs) {
assert(pargs->cairo);
cairo_close_path(pargs->cairo);
return 0;
}
void ofCairoRenderer::draw(ofSubPath & path){
if(!surface || !cr) return;
const vector<ofSubPath::Command> & commands = path.getCommands();
cairo_new_sub_path(cr);
for(int i=0; i<(int)commands.size(); i++){
switch(commands[i].type){
case ofSubPath::Command::lineTo:
curvePoints.clear();
cairo_line_to(cr,commands[i].to.x,commands[i].to.y);
break;
case ofSubPath::Command::curveTo:
curvePoints.push_back(commands[i].to);
//code adapted from ofxVectorGraphics to convert catmull rom to bezier
if(curvePoints.size()==4){
ofPoint p1=curvePoints[0];
ofPoint p2=curvePoints[1];
ofPoint p3=curvePoints[2];
ofPoint p4=curvePoints[3];
//SUPER WEIRD MAGIC CONSTANT = 1/6 (this works 100% can someone explain it?)
ofPoint cp1 = p2 + ( p3 - p1 ) * (1.0/6);
ofPoint cp2 = p3 + ( p2 - p4 ) * (1.0/6);
cairo_curve_to( cr, cp1.x, cp1.y, cp2.x, cp2.y, p3.x, p3.y );
curvePoints.pop_front();
}
break;
case ofSubPath::Command::bezierTo:
curvePoints.clear();
cairo_curve_to(cr,commands[i].cp1.x,commands[i].cp1.y,commands[i].cp2.x,commands[i].cp2.y,commands[i].to.x,commands[i].to.y);
break;
case ofSubPath::Command::quadBezierTo:
curvePoints.clear();
cairo_curve_to(cr,commands[i].cp1.x,commands[i].cp1.y,commands[i].cp2.x,commands[i].cp2.y,commands[i].to.x,commands[i].to.y);
break;
case ofSubPath::Command::arc:
curvePoints.clear();
// elliptic arcs not directly supported in cairo, lets scale y
if(commands[i].radiusX!=commands[i].radiusY){
float ellipse_ratio = commands[i].radiusY/commands[i].radiusX;
pushMatrix();
translate(0,-commands[i].to.y*ellipse_ratio);
scale(1,ellipse_ratio);
translate(0,commands[i].to.y/ellipse_ratio);
cairo_arc(cr,commands[i].to.x,commands[i].to.y,commands[i].radiusX,commands[i].angleBegin*DEG_TO_RAD,commands[i].angleEnd*DEG_TO_RAD);
//cairo_set_matrix(cr,&stored_matrix);
popMatrix();
}else{
cairo_arc(cr,commands[i].to.x,commands[i].to.y,commands[i].radiusX,commands[i].angleBegin*DEG_TO_RAD,commands[i].angleEnd*DEG_TO_RAD);
}
break;
}
}
if(path.isClosed()){
cairo_close_path(cr);
}
}
/***********************************************
* do_hc_draw_arrow -
*
* A simple routine to draw a hc style
* arrow using the passed Color.
*
* Taken in part from smooth, it was based on
* XFCE's & CleanIce draw arrow routines,
* both which were based on ThinIce's.
***********************************************/
void
do_hc_draw_arrow (cairo_t *canvas,
CairoColor * color,
GtkArrowType arrow_type,
gboolean fill,
gint x,
gint y,
gint width,
gint height)
{
gint aw = width, ah = height;
GdkPoint points[3];
switch (arrow_type)
{
case GTK_ARROW_UP:
case GTK_ARROW_DOWN:
{
gdouble tmp=((aw+1)/2) - ((height%2)?1:0);
if (tmp > ah)
{
aw = 2*ah - 1 - ((height%2)?1:0);
ah = (aw+1)/2;
}
else
{
ah = (gint) tmp;
aw = 2*ah - 1;
}
if ((aw < 5) || (ah < 3))
{
aw = 5;
ah = 3;
}
x += (width - aw) / 2 ;
y += (height - ah) / 2;
width = aw;
height = ah;
width += width % 2 - 1;
points[0].x = x;
points[1].x = x + width - 1;
points[2].x = x + ((height - 1) - (height - (1 + width / 2)));
points[0].y = points[1].y = y;
points[2].y = y + height - 1;
if (arrow_type == GTK_ARROW_UP)
{
gint flip = points[1].y;
points[0].y = points[1].y = points[2].y;
points[2].y = flip;
}
}
break;
case GTK_ARROW_LEFT:
case GTK_ARROW_RIGHT:
{
gdouble tmp=((ah+1)/2) - ((width%2)?1:0);
if (tmp > aw)
{
ah = 2*aw - 1 - ((width%2)?1:0);
aw = (ah+1)/2;
}
else
{
aw = (gint) tmp;
ah = 2*aw - 1;
}
if ((ah < 5) || (aw < 3))
{
ah = 5;
aw = 3;
}
x += (width - aw) / 2 ;
y += (height - ah) / 2;
width = aw;
height = ah;
height += height % 2 - 1;
points[0].y = y;
points[1].y = y + height - 1;
points[2].y = y + ((width - 1) - (width - (1 + height / 2)));
points[0].x = points[1].x = x;
points[2].x = x + width - 1;
if (arrow_type == GTK_ARROW_LEFT)
{
gint flip = points[0].x;
points[0].x = points[1].x = points[2].x;
points[2].x = flip;
}
}
break;
default:
{
return;
}
}
cairo_save(canvas);
ge_cairo_set_color(canvas, color);
cairo_set_line_width (canvas, 0.5);
cairo_move_to(canvas, points[0].x + 0.5, points[0].y + 0.5);
cairo_line_to(canvas, points[1].x + 0.5, points[1].y + 0.5);
cairo_line_to(canvas, points[2].x + 0.5, points[2].y + 0.5);
cairo_close_path(canvas);
if (fill)
{
cairo_stroke_preserve(canvas);
cairo_fill(canvas);
}
else
{
cairo_stroke(canvas);
}
cairo_restore(canvas);
}
static gboolean dt_iop_zonesystem_bar_draw(GtkWidget *widget, cairo_t *crf, dt_iop_module_t *self)
{
dt_iop_zonesystem_gui_data_t *g = (dt_iop_zonesystem_gui_data_t *)self->gui_data;
dt_iop_zonesystem_params_t *p = (dt_iop_zonesystem_params_t *)self->params;
const int inset = DT_ZONESYSTEM_INSET;
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 background */
cairo_set_source_rgb(cr, .15, .15, .15);
cairo_paint(cr);
/* translate and scale */
width -= 2 * inset;
height -= 2 * inset;
cairo_save(cr);
cairo_translate(cr, inset, inset);
cairo_scale(cr, width, height);
/* render the bars */
float zonemap[MAX_ZONE_SYSTEM_SIZE] = { 0 };
_iop_zonesystem_calculate_zonemap(p, zonemap);
float s = (1. / (p->size - 2));
cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE);
for(int i = 0; i < p->size - 1; i++)
{
/* draw the reference zone */
float z = s * i;
cairo_rectangle(cr, (1. / (p->size - 1)) * i, 0, (1. / (p->size - 1)),
DT_ZONESYSTEM_REFERENCE_SPLIT - DT_ZONESYSTEM_BAR_SPLIT_WIDTH);
cairo_set_source_rgb(cr, z, z, z);
cairo_fill(cr);
/* draw zone mappings */
cairo_rectangle(cr, zonemap[i], DT_ZONESYSTEM_REFERENCE_SPLIT + DT_ZONESYSTEM_BAR_SPLIT_WIDTH,
(zonemap[i + 1] - zonemap[i]), 1.0 - DT_ZONESYSTEM_REFERENCE_SPLIT);
cairo_set_source_rgb(cr, z, z, z);
cairo_fill(cr);
}
cairo_set_antialias(cr, CAIRO_ANTIALIAS_DEFAULT);
cairo_restore(cr);
/* render zonebar control lines */
cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE);
cairo_set_line_width(cr, 1.);
cairo_rectangle(cr, inset, inset, width, height);
cairo_set_source_rgb(cr, .1, .1, .1);
cairo_stroke(cr);
cairo_set_antialias(cr, CAIRO_ANTIALIAS_DEFAULT);
/* render control points handles */
cairo_set_source_rgb(cr, 0.6, 0.6, 0.6);
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(1.));
const float arrw = DT_PIXEL_APPLY_DPI(7.0f);
for(int k = 1; k < p->size - 1; k++)
{
float nzw = zonemap[k + 1] - zonemap[k];
float pzw = zonemap[k] - zonemap[k - 1];
if((((g->mouse_x / width) > (zonemap[k] - (pzw / 2.0)))
&& ((g->mouse_x / width) < (zonemap[k] + (nzw / 2.0)))) || p->zone[k] != -1)
{
gboolean is_under_mouse = ((width * zonemap[k]) - arrw * .5f < g->mouse_x
&& (width * zonemap[k]) + arrw * .5f > g->mouse_x);
cairo_move_to(cr, inset + (width * zonemap[k]), height + (2 * 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(is_under_mouse)
cairo_fill(cr);
else
cairo_stroke(cr);
}
}
/* push mem surface into widget */
cairo_destroy(cr);
cairo_set_source_surface(crf, cst, 0, 0);
cairo_paint(crf);
cairo_surface_destroy(cst);
return TRUE;
}
void gschem_cairo_center_box (GSCHEM_TOPLEVEL *w_current,
int center_width,
int line_width, int x, int y,
int half_width, int half_height)
{
int s_center_width, s_line_width;
int s_width, s_height;
double s_half_width, s_half_height;
int s_x, s_y;
int even_center_width;
int even_line_width;
int even_width, even_height;
double x1, y1, x2, y2;
double center_offset;
int do_width_hint = TRUE;
int do_height_hint = TRUE;
WORLDtoSCREEN (w_current, x, y, &s_x, &s_y);
s_width = SCREENabs (w_current, 2 * half_width);
s_height = SCREENabs (w_current, 2 * half_height);
even_width = (s_width % 2 == 0);
even_height = (s_width % 2 == 0);
s_half_width = (double) s_width / 2.;
s_half_height = (double) s_height / 2.;
#if 0 /* Not as nice an effect as with arcs */
/* Switch off radius hinting for small radii. If we don't, then we get
* a very abrupt transition once the box reaches a single pixel size. */
if (s_half_width <= 1.) do_width_hint = FALSE;
if (s_half_height <= 1.) do_height_hint = FALSE;
#endif
/* Hint the center of the box based on where a line
* of thickness center_width (world) would drawn */
s_center_width = screen_width (w_current, center_width);
even_center_width = (center_width == -1 || (s_center_width % 2) == 0);
center_offset = even_center_width ? 0. : 0.5;
/* Hint the half-widths to land the stroke on the pixel grid */
s_line_width = screen_width (w_current, line_width);
even_line_width = (line_width == -1 || (s_line_width % 2) == 0);
if (do_width_hint)
s_half_width += ((even_center_width ==
even_line_width) == even_width ) ? 0. : 0.5;
if (do_height_hint)
s_half_height += ((even_center_width ==
even_line_width) == even_height) ? 0. : 0.5;
x1 = (double) s_x + center_offset - s_half_width;
y1 = (double) s_y + center_offset - s_half_height;
x2 = (double) s_x + center_offset + s_half_width;
y2 = (double) s_y + center_offset + s_half_height;
/* Allow filled boxes (inferred from line_width == -1)
* to touch an extra pixel, so the filled span is inclusive */
if (line_width == -1) {
x2 += 1; y2 += 1;
}
cairo_move_to (w_current->cr, x2, y2);
cairo_line_to (w_current->cr, x1, y2);
cairo_line_to (w_current->cr, x1, y1);
cairo_line_to (w_current->cr, x2, y1);
cairo_close_path (w_current->cr);
}
/*
* This function must be called with a range of samples, and a desired
* width and height.
* It will average samples if needed.
*/
static PyObject *
py_fill_surface (PyObject * self, PyObject * args)
{
PyObject *samples;
PyObject *sampleObj;
int length, i;
double sample;
cairo_surface_t *surface;
cairo_t *ctx;
int width, height;
float pixelsPerSample;
float currentPixel;
int samplesInAccum;
float x = 0.;
double accum;
if (!PyArg_ParseTuple (args, "O!ii", &PyList_Type, &samples, &width, &height))
return NULL;
length = PyList_Size (samples);
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height);
ctx = cairo_create (surface);
cairo_set_source_rgb (ctx, 0.2, 0.6, 0.0);
cairo_set_line_width (ctx, 0.5);
cairo_move_to (ctx, 0, height);
pixelsPerSample = width / (float) length;
currentPixel = 0.;
samplesInAccum = 0;
accum = 0.;
for (i = 0; i < length; i++) {
/* Guaranteed to return something */
sampleObj = PyList_GetItem (samples, i);
sample = PyFloat_AsDouble (sampleObj);
/* If the object was not a float or convertible to float */
if (PyErr_Occurred ()) {
cairo_surface_finish (surface);
Py_DECREF (samples);
return NULL;
}
currentPixel += pixelsPerSample;
samplesInAccum += 1;
accum += sample;
if (currentPixel > 1.0) {
accum /= samplesInAccum;
cairo_line_to (ctx, x, height - accum);
accum = 0;
currentPixel -= 1.0;
samplesInAccum = 0;
}
x += pixelsPerSample;
}
Py_DECREF (samples);
cairo_line_to (ctx, width, height);
cairo_close_path (ctx);
cairo_fill_preserve (ctx);
return PycairoSurface_FromSurface (surface, NULL);
}
void gui_post_expose(struct dt_iop_module_t *self, cairo_t *cr, int32_t width, int32_t height,
int32_t pointerx, int32_t pointery)
{
dt_develop_t *dev = self->dev;
dt_iop_graduatednd_gui_data_t *g = (dt_iop_graduatednd_gui_data_t *)self->gui_data;
dt_iop_graduatednd_params_t *p = (dt_iop_graduatednd_params_t *)self->params;
float wd = dev->preview_pipe->backbuf_width;
float ht = dev->preview_pipe->backbuf_height;
float zoom_y = dt_control_get_dev_zoom_y();
float zoom_x = dt_control_get_dev_zoom_x();
dt_dev_zoom_t zoom = dt_control_get_dev_zoom();
int closeup = dt_control_get_dev_closeup();
float zoom_scale = dt_dev_get_zoom_scale(dev, zoom, closeup ? 2 : 1, 1);
cairo_translate(cr, width / 2.0, height / 2.0f);
cairo_scale(cr, zoom_scale, zoom_scale);
cairo_translate(cr, -.5f * wd - zoom_x * wd, -.5f * ht - zoom_y * ht);
// we get the extremities of the line
if(g->define == 0)
{
if(!set_points_from_grad(self, &g->xa, &g->ya, &g->xb, &g->yb, p->rotation, p->offset)) return;
g->define = 1;
}
float xa = g->xa * wd, xb = g->xb * wd, ya = g->ya * ht, yb = g->yb * ht;
// the lines
cairo_set_line_cap(cr, CAIRO_LINE_CAP_ROUND);
if(g->selected == 3 || g->dragging == 3)
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(5.0) / zoom_scale);
else
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(3.0) / zoom_scale);
cairo_set_source_rgba(cr, .3, .3, .3, .8);
cairo_move_to(cr, xa, ya);
cairo_line_to(cr, xb, yb);
cairo_stroke(cr);
if(g->selected == 3 || g->dragging == 3)
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(2.0) / zoom_scale);
else
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(1.0) / zoom_scale);
cairo_set_source_rgba(cr, .8, .8, .8, .8);
cairo_move_to(cr, xa, ya);
cairo_line_to(cr, xb, yb);
cairo_stroke(cr);
// the extremities
float x1, y1, x2, y2;
float l = sqrt((xb - xa) * (xb - xa) + (yb - ya) * (yb - ya));
const float ext = wd * 0.01f / zoom_scale;
x1 = xa + (xb - xa) * ext / l;
y1 = ya + (yb - ya) * ext / l;
x2 = (xa + x1) / 2.0;
y2 = (ya + y1) / 2.0;
y2 += (x1 - xa);
x2 -= (y1 - ya);
cairo_move_to(cr, xa, ya);
cairo_line_to(cr, x1, y1);
cairo_line_to(cr, x2, y2);
cairo_close_path(cr);
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(1.0) / zoom_scale);
if(g->selected == 1 || g->dragging == 1)
cairo_set_source_rgba(cr, .8, .8, .8, 1.0);
else
cairo_set_source_rgba(cr, .8, .8, .8, .5);
cairo_fill_preserve(cr);
if(g->selected == 1 || g->dragging == 1)
cairo_set_source_rgba(cr, .3, .3, .3, 1.0);
else
cairo_set_source_rgba(cr, .3, .3, .3, .5);
cairo_stroke(cr);
x1 = xb - (xb - xa) * ext / l;
y1 = yb - (yb - ya) * ext / l;
x2 = (xb + x1) / 2.0;
y2 = (yb + y1) / 2.0;
y2 += (xb - x1);
x2 -= (yb - y1);
cairo_move_to(cr, xb, yb);
cairo_line_to(cr, x1, y1);
cairo_line_to(cr, x2, y2);
cairo_close_path(cr);
cairo_set_line_width(cr, DT_PIXEL_APPLY_DPI(1.0) / zoom_scale);
if(g->selected == 2 || g->dragging == 2)
cairo_set_source_rgba(cr, .8, .8, .8, 1.0);
else
cairo_set_source_rgba(cr, .8, .8, .8, .5);
cairo_fill_preserve(cr);
if(g->selected == 2 || g->dragging == 2)
cairo_set_source_rgba(cr, .3, .3, .3, 1.0);
else
cairo_set_source_rgba(cr, .3, .3, .3, .5);
cairo_stroke(cr);
}
void Path::closeSubpath()
{
cairo_t* cr = ensurePlatformPath()->context();
cairo_close_path(cr);
}
void ofCairoRenderer::draw(const ofPath::Command & command) const{
if(!surface || !cr) return;
ofCairoRenderer * mut_this = const_cast<ofCairoRenderer*>(this);
switch(command.type){
case ofPath::Command::moveTo:
curvePoints.clear();
cairo_move_to(cr,command.to.x,command.to.y);
break;
case ofPath::Command::lineTo:
curvePoints.clear();
cairo_line_to(cr,command.to.x,command.to.y);
break;
case ofPath::Command::curveTo:
curvePoints.push_back(command.to);
//code adapted from ofxVectorGraphics to convert catmull rom to bezier
if(curvePoints.size()==4){
ofPoint p1=curvePoints[0];
ofPoint p2=curvePoints[1];
ofPoint p3=curvePoints[2];
ofPoint p4=curvePoints[3];
//SUPER WEIRD MAGIC CONSTANT = 1/6 (this works 100% can someone explain it?)
ofPoint cp1 = p2 + ( p3 - p1 ) * (1.0f/6.f);
ofPoint cp2 = p3 + ( p2 - p4 ) * (1.0f/6.f);
cairo_curve_to( cr, cp1.x, cp1.y, cp2.x, cp2.y, p3.x, p3.y );
curvePoints.pop_front();
}
break;
case ofPath::Command::bezierTo:
curvePoints.clear();
cairo_curve_to(cr,command.cp1.x,command.cp1.y,command.cp2.x,command.cp2.y,command.to.x,command.to.y);
break;
case ofPath::Command::quadBezierTo:
curvePoints.clear();
cairo_curve_to(cr,command.cp1.x,command.cp1.y,command.cp2.x,command.cp2.y,command.to.x,command.to.y);
break;
case ofPath::Command::arc:
curvePoints.clear();
// elliptic arcs not directly supported in cairo, lets scale y
if(command.radiusX!=command.radiusY){
float ellipse_ratio = command.radiusY/command.radiusX;
mut_this->pushMatrix();
mut_this->translate(0,-command.to.y*ellipse_ratio);
mut_this->scale(1,ellipse_ratio);
mut_this->translate(0,command.to.y/ellipse_ratio);
cairo_arc(cr,command.to.x,command.to.y,command.radiusX,command.angleBegin*DEG_TO_RAD,command.angleEnd*DEG_TO_RAD);
//cairo_set_matrix(cr,&stored_matrix);
mut_this->popMatrix();
}else{
cairo_arc(cr,command.to.x,command.to.y,command.radiusX,command.angleBegin*DEG_TO_RAD,command.angleEnd*DEG_TO_RAD);
}
break;
case ofPath::Command::arcNegative:
curvePoints.clear();
// elliptic arcs not directly supported in cairo, lets scale y
if(command.radiusX!=command.radiusY){
float ellipse_ratio = command.radiusY/command.radiusX;
mut_this->pushMatrix();
mut_this->translate(0,-command.to.y*ellipse_ratio);
mut_this->scale(1,ellipse_ratio);
mut_this->translate(0,command.to.y/ellipse_ratio);
cairo_arc_negative(cr,command.to.x,command.to.y,command.radiusX,command.angleBegin*DEG_TO_RAD,command.angleEnd*DEG_TO_RAD);
//cairo_set_matrix(cr,&stored_matrix);
mut_this->popMatrix();
}else{
cairo_arc_negative(cr,command.to.x,command.to.y,command.radiusX,command.angleBegin*DEG_TO_RAD,command.angleEnd*DEG_TO_RAD);
}
break;
case ofPath::Command::close:
cairo_close_path(cr);
break;
}
}
void gt_graphics_cairo_draw_box(GtGraphics *gg, double x, double y,
double width, double height,
GtColor fill_color, ArrowStatus arrow_status,
double arrow_width, double stroke_width,
GtColor stroke_color, bool dashed)
{
GtGraphicsCairo *g = gt_graphics_cairo_cast(gg);
double dashes[]={2.0};
bool widthdiff_geq0;
gt_assert(g);
/* save cairo context */
cairo_save(g->cr);
cairo_rectangle(g->cr, rnd_to_nhalf(g->margin_x), g->margin_y,
rnd_to_nhalf(g->width-2*g->margin_x),
g->height-2*g->margin_y);
cairo_clip(g->cr);
widthdiff_geq0 = gt_double_smaller_double(0, width - arrow_width);
/* construct shape of the box or arrow */
switch (arrow_status)
{
case ARROW_RIGHT:
cairo_move_to(g->cr, rnd_to_nhalf(x), rnd_to_nhalf(y));
if (widthdiff_geq0)
cairo_line_to(g->cr, x + width - arrow_width, rnd_to_nhalf(y));
cairo_line_to(g->cr, rnd_to_nhalf(x + width),
rnd_to_nhalf(y + height / 2));
if (widthdiff_geq0)
cairo_line_to(g->cr, x + width - arrow_width, rnd_to_nhalf(y + height));
cairo_line_to(g->cr, rnd_to_nhalf(x), rnd_to_nhalf(y + height));
cairo_close_path(g->cr);
break;
case ARROW_LEFT:
cairo_move_to(g->cr, rnd_to_nhalf(x + width), rnd_to_nhalf(y));
if (widthdiff_geq0) {
cairo_line_to(g->cr, rnd_to_nhalf(x + arrow_width), rnd_to_nhalf(y));
}
cairo_line_to(g->cr, rnd_to_nhalf(x), rnd_to_nhalf(y + height / 2));
if (widthdiff_geq0) {
cairo_line_to(g->cr, rnd_to_nhalf(x + arrow_width),
rnd_to_nhalf(y + height));
}
cairo_line_to(g->cr, rnd_to_nhalf(x + width), rnd_to_nhalf(y + height));
cairo_close_path(g->cr);
break;
case ARROW_BOTH:
cairo_move_to(g->cr, rnd_to_nhalf(x), rnd_to_nhalf(y + height/2));
if (gt_double_smaller_double(width, 2*arrow_width))
{
cairo_line_to(g->cr, rnd_to_nhalf(x + width/2), rnd_to_nhalf(y));
cairo_line_to(g->cr, rnd_to_nhalf(x + width),
rnd_to_nhalf(y + height/2));
cairo_line_to(g->cr, rnd_to_nhalf(x + width/2),
rnd_to_nhalf(y + height));
}
else
{
cairo_line_to(g->cr, rnd_to_nhalf(x + arrow_width), rnd_to_nhalf(y));
cairo_line_to(g->cr, rnd_to_nhalf(x + width - arrow_width),
rnd_to_nhalf(y));
cairo_line_to(g->cr, rnd_to_nhalf(x + width),
rnd_to_nhalf(y + height/2));
cairo_line_to(g->cr, rnd_to_nhalf(x + width - arrow_width),
rnd_to_nhalf(y + height));
cairo_line_to(g->cr, rnd_to_nhalf(x + arrow_width), y + height);
}
cairo_close_path(g->cr);
break;
case ARROW_NONE:
cairo_rectangle(g->cr, rnd_to_nhalf(x), rnd_to_nhalf(y), width, height);
}
/* fill area */
cairo_set_source_rgba(g->cr, fill_color.red,
fill_color.green,
fill_color.blue,
fill_color.alpha);
cairo_fill_preserve(g->cr);
/* draw outline */
cairo_set_line_width(g->cr, stroke_width);
cairo_set_source_rgba(g->cr, stroke_color.red,
stroke_color.green,
stroke_color.blue,
stroke_color.alpha);
if (dashed)
cairo_set_dash(g->cr, dashes, 1, (double) 0);
cairo_stroke(g->cr);
/* restore cairo context */
cairo_restore(g->cr);
}
static gboolean dt_iop_levels_expose(GtkWidget *widget, GdkEventExpose *event, 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;
const int inset = DT_GUI_CURVE_EDITOR_INSET;
int width = widget->allocation.width, height = widget->allocation.height;
cairo_surface_t *cst = 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, 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, .4);
cairo_set_source_rgb (cr, .1, .1, .1);
dt_draw_vertical_lines(cr, 4, 0, 0, width, height);
// Drawing the vertical line indicators
cairo_set_line_width(cr, 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, 1.);
const float arrw = 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)
{
dt_develop_t *dev = darktable.develop;
float *hist, hist_max;
hist = dev->histogram_pre_levels;
hist_max = dev->histogram_pre_levels_max;
if(hist_max > 0)
{
cairo_save(cr);
cairo_scale(cr, width/63.0, -(height-5)/(float)hist_max);
cairo_set_source_rgba(cr, .2, .2, .2, 0.5);
dt_draw_histogram_8(cr, hist, 3);
cairo_restore(cr);
}
}
// Cleaning up
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;
}
void structGraphicsScreen :: v_polyline (long numberOfPoints, double *xyDC, bool close) {
#if cairo
if (duringXor) {
#if ALLOW_GDK_DRAWING
gdkPrepareLine (this);
for (long i = 0; i < numberOfPoints - 1; i ++) {
gdk_draw_line (our d_window, our d_gdkGraphicsContext,
xyDC [i + i], xyDC [i + i + 1], xyDC [i + i + 2], xyDC [i + i + 3]);
}
gdkRevertLine (this);
gdk_flush ();
#endif
} else {
if (our d_cairoGraphicsContext == NULL) return;
cairoPrepareLine (this);
// cairo_new_path (d_cairoGraphicsContext); // move_to() automatically creates a new path
cairo_move_to (our d_cairoGraphicsContext, xyDC [0], xyDC [1]);
for (long i = 1; i < numberOfPoints; i ++) {
cairo_line_to (our d_cairoGraphicsContext, xyDC [i + i], xyDC [i + i + 1]);
}
if (close) cairo_close_path (our d_cairoGraphicsContext);
cairo_stroke (our d_cairoGraphicsContext);
cairoRevertLine (this);
}
#elif win
winPrepareLine (this);
POINT *points = Melder_malloc (POINT, numberOfPoints + close);
if (points) {
for (long i = 0; i < numberOfPoints; i ++) {
points [i]. x = *xyDC, xyDC ++;
points [i]. y = *xyDC, xyDC ++;
}
if (close)
points [numberOfPoints] = points [0];
Polyline (our d_gdiGraphicsContext, points, numberOfPoints + close);
if (our d_fatNonSolid) {
for (long i = 0; i < numberOfPoints; i ++)
points [i]. x -= 1;
if (close)
points [numberOfPoints] = points [0];
Polyline (our d_gdiGraphicsContext, points, numberOfPoints + close);
for (long i = 0; i < numberOfPoints; i ++) {
points [i]. x += 1;
points [i]. y -= 1;
}
if (close)
points [numberOfPoints] = points [0];
Polyline (our d_gdiGraphicsContext, points, numberOfPoints + close);
}
}
DEFAULT
#elif mac
GraphicsQuartz_initDraw (this);
quartzPrepareLine (this);
CGContextBeginPath (our d_macGraphicsContext);
CGContextMoveToPoint (our d_macGraphicsContext, xyDC [0], xyDC [1]); // starts a new subpath
for (long i = 1; i < numberOfPoints; i ++) {
CGContextAddLineToPoint (our d_macGraphicsContext, xyDC [i + i], xyDC [i + i + 1]);
}
if (close)
CGContextClosePath (our d_macGraphicsContext); // closes only the subpath
CGContextStrokePath (our d_macGraphicsContext);
quartzRevertLine (this);
GraphicsQuartz_exitDraw (this);
#endif
}
void
draw_render_polygon_object (gerbv_net_t *oldNet, cairo_t *cairoTarget,
gdouble sr_x, gdouble sr_y, gerbv_image_t *image,
enum draw_mode drawMode, gerbv_selection_info_t *selectionInfo,
gboolean pixelOutput)
{
gerbv_net_t *currentNet, *polygonStartNet;
int haveDrawnFirstFillPoint = 0;
gdouble x2,y2,cp_x=0,cp_y=0;
haveDrawnFirstFillPoint = FALSE;
/* save the first net in the polygon as the "ID" net pointer
in case we are saving this net to the selection array */
polygonStartNet = oldNet;
cairo_new_path(cairoTarget);
for (currentNet = oldNet->next; currentNet!=NULL;
currentNet = currentNet->next) {
x2 = currentNet->stop_x + sr_x;
y2 = currentNet->stop_y + sr_y;
/* translate circular x,y data as well */
if (currentNet->cirseg) {
cp_x = currentNet->cirseg->cp_x + sr_x;
cp_y = currentNet->cirseg->cp_y + sr_y;
}
if (!haveDrawnFirstFillPoint) {
draw_cairo_move_to (cairoTarget, x2, y2, FALSE, pixelOutput);
haveDrawnFirstFillPoint=TRUE;
continue;
}
switch (currentNet->interpolation) {
case GERBV_INTERPOLATION_x10 :
case GERBV_INTERPOLATION_LINEARx01 :
case GERBV_INTERPOLATION_LINEARx001 :
case GERBV_INTERPOLATION_LINEARx1 :
draw_cairo_line_to (cairoTarget, x2, y2, FALSE, pixelOutput);
break;
case GERBV_INTERPOLATION_CW_CIRCULAR :
case GERBV_INTERPOLATION_CCW_CIRCULAR :
if (currentNet->cirseg->angle2 > currentNet->cirseg->angle1) {
cairo_arc (cairoTarget, cp_x, cp_y, currentNet->cirseg->width/2.0,
DEG2RAD(currentNet->cirseg->angle1),
DEG2RAD(currentNet->cirseg->angle2));
} else {
cairo_arc_negative (cairoTarget, cp_x, cp_y, currentNet->cirseg->width/2.0,
DEG2RAD(currentNet->cirseg->angle1),
DEG2RAD(currentNet->cirseg->angle2));
}
break;
case GERBV_INTERPOLATION_PAREA_END :
cairo_close_path(cairoTarget);
/* turn off anti-aliasing for polygons, since it shows seams
with adjacent polygons (usually on PCB ground planes) */
cairo_antialias_t oldAlias = cairo_get_antialias (cairoTarget);
cairo_set_antialias (cairoTarget, CAIRO_ANTIALIAS_NONE);
draw_fill (cairoTarget, drawMode, selectionInfo, image, polygonStartNet);
cairo_set_antialias (cairoTarget, oldAlias);
return;
default :
break;
}
}
}
void VectorGraphics::close_path() {
cairo_close_path(cr());
}
void ofCairoRenderer::drawPath(const ofShape & path,bool is_subpath){
if(!surface || !cr) return;
const vector<ofShape::Command> & commands = path.getCommands();
if(is_subpath)
cairo_new_sub_path(cr);
else
cairo_new_path(cr);
for(int i=0; i<(int)commands.size(); i++){
switch(commands[i].type){
case ofShape::Command::lineTo:
curvePoints.clear();
cairo_line_to(cr,commands[i].to.x,commands[i].to.y);
break;
case ofShape::Command::curveTo:
curvePoints.push_back(commands[i].to);
//code adapted from ofxVectorGraphics to convert catmull rom to bezier
if(curvePoints.size()==4){
ofPoint p1=curvePoints[0];
ofPoint p2=curvePoints[1];
ofPoint p3=curvePoints[2];
ofPoint p4=curvePoints[3];
//SUPER WEIRD MAGIC CONSTANT = 1/6 (this works 100% can someone explain it?)
ofPoint cp1 = p2 + ( p3 - p1 ) * (1.0/6);
ofPoint cp2 = p3 + ( p2 - p4 ) * (1.0/6);
cairo_curve_to( cr, cp1.x, cp1.y, cp2.x, cp2.y, p3.x, p3.y );
curvePoints.pop_front();
}
break;
case ofShape::Command::bezierTo:
curvePoints.clear();
cairo_curve_to(cr,commands[i].cp1.x,commands[i].cp1.y,commands[i].cp2.x,commands[i].cp2.y,commands[i].to.x,commands[i].to.y);
break;
case ofShape::Command::quadBezierTo:
curvePoints.clear();
cairo_curve_to(cr,commands[i].cp1.x,commands[i].cp1.y,commands[i].cp2.x,commands[i].cp2.y,commands[i].to.x,commands[i].to.y);
break;
case ofShape::Command::arc:
curvePoints.clear();
// elliptic arcs not directly supported in cairo, lets scale y
if(commands[i].radiusX!=commands[i].radiusY){
float ellipse_ratio = commands[i].radiusY/commands[i].radiusX;
pushMatrix();
translate(0,-commands[i].to.y*ellipse_ratio);
scale(1,ellipse_ratio);
translate(0,commands[i].to.y*1/ellipse_ratio);
cairo_arc(cr,commands[i].to.x,commands[i].to.y,commands[i].radiusX,commands[i].angleBegin,commands[i].angleEnd);
//cairo_set_matrix(cr,&stored_matrix);
popMatrix();
}else{
cairo_arc(cr,commands[i].to.x,commands[i].to.y,commands[i].radiusX,commands[i].angleBegin,commands[i].angleEnd);
}
break;
}
}
if(path.isClosed()){
cairo_close_path(cr);
}
const vector<ofShape> &subpaths = path.getSubShapes();
for(int i=0;i<(int)subpaths.size();i++){
drawPath(subpaths[i],true);
}
cairo_fill_rule_t cairo_poly_mode;
if(path.getWindingMode()==OF_POLY_WINDING_ODD) cairo_poly_mode=CAIRO_FILL_RULE_EVEN_ODD;
else cairo_poly_mode=CAIRO_FILL_RULE_WINDING;
cairo_set_fill_rule(cr,cairo_poly_mode);
if(path.getStrokeWidth()>0){
ofColor c = path.getStrokeColor() * ofGetStyle().color;
c.a = path.getStrokeColor().a/255. * ofGetStyle().color.a;
cairo_set_source_rgba(cr, (float)c.r/255.0, (float)c.g/255.0, (float)c.b/255.0, (float)c.a/255.0);
cairo_set_line_width( cr, path.getStrokeWidth() );
if(path.isFilled())
cairo_stroke_preserve( cr );
else
cairo_stroke( cr );
}
if(path.isFilled()){
ofColor c = path.getFillColor() * ofGetStyle().color;
c.a = path.getFillColor().a/255. * ofGetStyle().color.a;
cairo_set_source_rgba(cr, (float)c.r/255.0, (float)c.g/255.0, (float)c.b/255.0, (float)c.a/255.0);
cairo_fill( cr );
}
}
void
hc_simple_border_gap_clip(cairo_t *canvas,
gint border_thickness,
gint x,
gint y,
gint width,
gint height,
GtkPositionType gap_side,
gint gap_pos,
gint gap_size)
{
switch (gap_side)
{
default:
case GTK_POS_TOP:
cairo_move_to(canvas, x, y);
cairo_line_to(canvas, x, y + height);
cairo_line_to(canvas, x + width, y + height);
cairo_line_to(canvas, x + width, y);
cairo_line_to(canvas, x + gap_pos + gap_size, y);
cairo_line_to(canvas, x + gap_pos + gap_size, y + border_thickness + 1);
cairo_line_to(canvas, x + gap_pos, y + border_thickness + 1);
cairo_line_to(canvas, x + gap_pos, y);
cairo_close_path(canvas);
break;
case GTK_POS_LEFT:
cairo_move_to(canvas, x, y);
cairo_line_to(canvas, x + width, y);
cairo_line_to(canvas, x + width, y + height);
cairo_line_to(canvas, x, y + height);
cairo_line_to(canvas, x, y + gap_pos + gap_size);
cairo_line_to(canvas, x + border_thickness + 1, y + gap_pos + gap_size);
cairo_line_to(canvas, x + border_thickness + 1, y + gap_pos);
cairo_line_to(canvas, x, y + gap_pos);
cairo_close_path(canvas);
break;
case GTK_POS_BOTTOM:
cairo_move_to(canvas, x + width, y + height);
cairo_line_to(canvas, x + width, y);
cairo_line_to(canvas, x, y);
cairo_line_to(canvas, x, y + height);
cairo_line_to(canvas, x + gap_pos, y + height);
cairo_line_to(canvas, x + gap_pos, y + height - border_thickness - 1);
cairo_line_to(canvas, x + gap_pos + gap_size, y + height - border_thickness - 1);
cairo_line_to(canvas, x + gap_pos + gap_size, y + height);
cairo_close_path(canvas);
break;
case GTK_POS_RIGHT:
cairo_line_to(canvas, x + width, y);
cairo_line_to(canvas, x, y);
cairo_line_to(canvas, x, y + height);
cairo_line_to(canvas, x + width, y + height);
cairo_line_to(canvas, x + width, y + gap_pos + gap_size);
cairo_line_to(canvas, x + width - border_thickness - 1, y + gap_pos + gap_size);
cairo_line_to(canvas, x + width - border_thickness - 1, y + gap_pos);
cairo_line_to(canvas, x + width, y + gap_pos);
cairo_close_path(canvas);
break;
}
cairo_clip(canvas);
}
static void
render (GtkWidget * widget)
{
GSMColorButton *color_button = GSM_COLOR_BUTTON (widget);
GdkColor *color, tmp_color = color_button->priv->color;
color = &tmp_color;
cairo_t *cr = gdk_cairo_create (gtk_widget_get_window (widget));
cairo_path_t *path = NULL;
gint width, height;
gdouble radius, arc_start, arc_end;
gint highlight_factor;
if (color_button->priv->highlight > 0) {
highlight_factor = 8192 * color_button->priv->highlight;
if (color->red + highlight_factor > 65535)
color->red = 65535;
else
color->red = color->red + highlight_factor;
if (color->blue + highlight_factor > 65535)
color->blue = 65535;
else
color->blue = color->blue + highlight_factor;
if (color->green + highlight_factor > 65535)
color->green = 65535;
else
color->green = color->green + highlight_factor;
}
gdk_cairo_set_source_color (cr, color);
#if GTK_CHECK_VERSION(3, 0, 0)
width = gdk_window_get_width(gtk_widget_get_window(widget));
height = gdk_window_get_height(gtk_widget_get_window(widget));
#else
gdk_drawable_get_size(gtk_widget_get_window(widget), &width, &height);
#endif
switch (color_button->priv->type)
{
case GSMCP_TYPE_CPU:
//gtk_widget_set_size_request (widget, GSMCP_MIN_WIDTH, GSMCP_MIN_HEIGHT);
cairo_paint (cr);
cairo_set_line_width (cr, 1);
cairo_set_source_rgba (cr, 0, 0, 0, 0.5);
cairo_rectangle (cr, 0.5, 0.5, width - 1, height - 1);
cairo_stroke (cr);
cairo_set_line_width (cr, 1);
cairo_set_source_rgba (cr, 1, 1, 1, 0.4);
cairo_rectangle (cr, 1.5, 1.5, width - 3, height - 3);
cairo_stroke (cr);
break;
case GSMCP_TYPE_PIE:
if (width < 32) // 32px minimum size
gtk_widget_set_size_request (widget, 32, 32);
if (width < height)
radius = width / 2;
else
radius = height / 2;
arc_start = -G_PI_2 + 2 * G_PI * color_button->priv->fraction;
arc_end = -G_PI_2;
cairo_set_line_width (cr, 1);
// Draw external stroke and fill
if (color_button->priv->fraction < 0.01) {
cairo_arc (cr, (width / 2) + .5, (height / 2) + .5, 4.5,
0, 2 * G_PI);
} else if (color_button->priv->fraction > 0.99) {
cairo_arc (cr, (width / 2) + .5, (height / 2) + .5, radius - 2.25,
0, 2 * G_PI);
} else {
cairo_arc_negative (cr, (width / 2) + .5, (height / 2) + .5, radius - 2.25,
arc_start, arc_end);
cairo_arc_negative (cr, (width / 2) + .5, (height / 2) + .5, 4.5,
arc_end, arc_start);
cairo_arc_negative (cr, (width / 2) + .5, (height / 2) + .5, radius - 2.25,
arc_start, arc_start);
}
cairo_fill_preserve (cr);
cairo_set_source_rgba (cr, 0, 0, 0, 0.7);
cairo_stroke (cr);
// Draw internal highlight
cairo_set_source_rgba (cr, 1, 1, 1, 0.45);
cairo_set_line_width (cr, 1);
if (color_button->priv->fraction < 0.03) {
cairo_arc (cr, (width / 2) + .5, (height / 2) + .5, 3.25,
0, 2 * G_PI);
} else if (color_button->priv->fraction > 0.99) {
cairo_arc (cr, (width / 2) + .5, (height / 2) + .5, radius - 3.5,
0, 2 * G_PI);
} else {
cairo_arc_negative (cr, (width / 2) + .5, (height / 2) + .5, radius - 3.5,
arc_start + (1 / (radius - 3.75)),
arc_end - (1 / (radius - 3.75)));
cairo_arc_negative (cr, (width / 2) + .5, (height / 2) + .5, 3.25,
arc_end - (1 / (radius - 3.75)),
arc_start + (1 / (radius - 3.75)));
cairo_arc_negative (cr, (width / 2) + .5, (height / 2) + .5, radius - 3.5,
arc_start + (1 / (radius - 3.75)),
arc_start + (1 / (radius - 3.75)));
}
cairo_stroke (cr);
// Draw external shape
cairo_set_line_width (cr, 1);
cairo_set_source_rgba (cr, 0, 0, 0, 0.2);
cairo_arc (cr, (width / 2) + .5, (height / 2) + .5, radius - 1.25, 0,
G_PI * 2);
cairo_stroke (cr);
break;
case GSMCP_TYPE_NETWORK_IN:
if (color_button->priv->image_buffer == NULL)
color_button->priv->image_buffer =
fill_image_buffer_from_file (cr, DATADIR "/pixmaps/mate-system-monitor/download.svg");
gtk_widget_set_size_request (widget, 32, 32);
cairo_move_to (cr, 8.5, 1.5);
cairo_line_to (cr, 23.5, 1.5);
cairo_line_to (cr, 23.5, 11.5);
cairo_line_to (cr, 29.5, 11.5);
cairo_line_to (cr, 16.5, 27.5);
cairo_line_to (cr, 15.5, 27.5);
cairo_line_to (cr, 2.5, 11.5);
cairo_line_to (cr, 8.5, 11.5);
cairo_line_to (cr, 8.5, 1.5);
cairo_close_path (cr);
path = cairo_copy_path (cr);
cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER);
cairo_set_line_width (cr, 1);
cairo_fill_preserve (cr);
cairo_set_miter_limit (cr, 5.0);
cairo_stroke (cr);
cairo_set_source_rgba (cr, 0, 0, 0, 0.5);
cairo_append_path (cr, path);
cairo_path_destroy(path);
cairo_stroke (cr);
cairo_set_source_surface (cr, color_button->priv->image_buffer, 0.0,
0.0);
cairo_paint (cr);
break;
case GSMCP_TYPE_NETWORK_OUT:
if (color_button->priv->image_buffer == NULL)
color_button->priv->image_buffer =
fill_image_buffer_from_file (cr, DATADIR "/pixmaps/mate-system-monitor/upload.svg");
gtk_widget_set_size_request (widget, 32, 32);
cairo_move_to (cr, 16.5, 1.5);
cairo_line_to (cr, 29.5, 17.5);
cairo_line_to (cr, 23.5, 17.5);
cairo_line_to (cr, 23.5, 27.5);
cairo_line_to (cr, 8.5, 27.5);
cairo_line_to (cr, 8.5, 17.5);
cairo_line_to (cr, 2.5, 17.5);
cairo_line_to (cr, 15.5, 1.5);
cairo_line_to (cr, 16.5, 1.5);
cairo_close_path (cr);
path = cairo_copy_path (cr);
cairo_set_line_cap (cr, CAIRO_LINE_CAP_SQUARE);
cairo_set_line_join (cr, CAIRO_LINE_JOIN_MITER);
cairo_set_line_width (cr, 1);
cairo_fill_preserve (cr);
cairo_set_miter_limit (cr, 5.0);
cairo_stroke (cr);
cairo_set_source_rgba (cr, 0, 0, 0, 0.5);
cairo_append_path (cr, path);
cairo_path_destroy(path);
cairo_stroke (cr);
cairo_set_source_surface (cr, color_button->priv->image_buffer, 0.0,
0.0);
cairo_paint (cr);
break;
}
cairo_destroy (cr);
}
static void draw_dvdag_node_1(cairo_t *cr, dv_dag_node_t *node) {
// Count node drawn
S->nd++;
// Node color
double x = node->vl->c;
double y = node->c;
double c[4];
int v = 0;
switch (S->nc) {
case 0:
v = node->pi->info.worker; break;
case 1:
v = node->pi->info.cpu; break;
case 2:
v = node->pi->info.kind; break;
default:
v = node->pi->info.worker;
}
lookup_color(v, c, c+1, c+2, c+3);
// Alpha
double alpha = 1.0;
// Draw path
cairo_save(cr);
cairo_new_path(cr);
if (dv_is_union(node)) {
double xx, yy, w, h;
if (dv_is_expanding(node) || dv_is_shrinking(node)) {
double margin = 1.0;
if (dv_is_expanding(node)) {
// Fading out
alpha = get_alpha_fading_out();
margin = get_alpha_fading_in();
} else {
// Fading in
alpha = get_alpha_fading_in();
margin = get_alpha_fading_out();
}
// Large-sized box
margin *= DV_UNION_NODE_MARGIN;
xx = x - node->lc * DV_HDIS - DV_RADIUS - margin;
yy = y - DV_RADIUS - margin;
dv_dag_node_t * hd = (dv_dag_node_t *) node->heads->top->item;
h = hd->dc * DV_VDIS + 2 * (DV_RADIUS + margin);
w = (node->lc + node->rc) * DV_HDIS + 2 * (DV_RADIUS + margin);
} else {
// Normal-sized box
xx = x - DV_RADIUS;
yy = y - DV_RADIUS;
w = 2 * DV_RADIUS;
h = 2 * DV_RADIUS;
if (node->lv > S->a->new_sel) {
// Fading out
alpha = get_alpha_fading_out();
} else if (node->lv > S->sel) {
// Fading in
alpha = get_alpha_fading_in();
}
}
// Box
cairo_move_to(cr, xx, yy);
cairo_line_to(cr, xx + w, yy);
cairo_line_to(cr, xx + w, yy + h);
cairo_line_to(cr, xx, yy + h);
cairo_close_path(cr);
} else {
// Normal-sized circle
cairo_arc(cr, x, y, DV_RADIUS, 0.0, 2*M_PI);
if (node->lv > S->a->new_sel) {
// Fading out
alpha = get_alpha_fading_out();
} else if (node->lv > S->sel) {
// Fading in
alpha = get_alpha_fading_in();
}
}
// Draw node
cairo_set_source_rgba(cr, c[0], c[1], c[2], c[3] * alpha);
cairo_fill_preserve(cr);
cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, alpha);
cairo_stroke(cr);
cairo_restore(cr);
}
static void img_phase(cairo_t* cr, float scale) {
MAKELOCALVARS(scale);
const float _rx = 155 * _sc;
const float _yl = 95 * _sc;
CairoSetSouerceRGBA(c_nrd);
cairo_arc (cr, _xc, _yc, _ri+5*_sc, -M_PI/2 - M_PI/4, -M_PI/2 );
cairo_set_line_width (cr, 10*_sc);
cairo_stroke (cr);
CairoSetSouerceRGBA(c_ngr);
cairo_arc (cr, _xc, _yc, _ri+5*_sc, -M_PI/2, -M_PI/2 + M_PI/4 );
cairo_set_line_width (cr, 10*_sc);
cairo_stroke (cr);
cairo_save(cr);
cairo_arc (cr, _xc, _yc, _ri+10*_sc, -M_PI/2 - M_PI/4, -M_PI/2 + M_PI/4 );
cairo_arc_negative (cr, _xc, _yc, _ri, -M_PI/2 + M_PI/4, -M_PI/2 - M_PI/4);
cairo_close_path(cr);
cairo_clip(cr);
#if 1 // S*fam
cairo_arc (cr, _xc, _yc, _rs, -M_PI/2 - M_PI/8, -M_PI/2 + M_PI/8 );
cairo_arc_negative (cr, 200*_sc, 129.5*_sc, 80*_sc, -M_PI/2 + M_PI/36 , -M_PI/2 - M_PI/8);
cairo_arc_negative(cr, _xc, _yc, _ri, -M_PI/2, -M_PI/2 - M_PI/36);
cairo_arc_negative(cr, 99*_sc, 129.5*_sc, 80.5*_sc, -M_PI/2 + M_PI/8 , -M_PI/2 - M_PI/36);
CairoSetSouerceRGBA(c_nyl);
cairo_fill(cr);
#endif
cairo_restore(cr);
CairoSetSouerceRGBA(c_wht);
cairo_arc (cr, _xc, _yc, _ri+10*_sc, -M_PI/2 - M_PI/8, -M_PI/2 + M_PI/8 );
cairo_set_line_width (cr, .5 * _sc);
cairo_stroke (cr);
cairo_arc (cr, _xc, _yc, _ri, -M_PI/2 - M_PI/4, -M_PI/2 + M_PI/4 );
cairo_set_line_width (cr, 1 * _sc);
cairo_stroke (cr);
int v;
for (v = 0; v <= 20 ; v++) {
if (v == 0 || v == 5 || v == 10 || v == 15 || v == 20) {
continue;
} else {
img_draw_needle(cr, v/20.0, _ri, _rs, c_wsh, 1.0);
}
}
img_draw_needle(cr, 0.0, _rx, _rl-5, c_wht, 1.5);
img_draw_needle(cr, 0.25, _rx, _rl-5, c_wht, 1.5);
img_draw_needle(cr, 0.5, _rx, _rl-5, c_wht, 1.5);
img_draw_needle(cr, 0.75, _rx, _rl-5, c_wht, 1.5);
img_draw_needle(cr, 1.0, _rx, _rl-5, c_wht, 1.5);
sprintf(img_fontname, "Sans Bold %dpx", (int)rint(_rl/20));
img_needle_label(cr, "-1", 0, _rs-24*_sc);
img_needle_label(cr, "-0.5", .25, _rs-24*_sc);
img_needle_label(cr, "0", 0.5, _rs-24*_sc);
img_needle_label(cr, "+0.5", .75, _rs-24*_sc);
img_needle_label(cr, "+1", 1.0, _rs-24*_sc);
img_needle_label(cr," 180\u00B0\n", 0, _rl);
img_needle_label(cr, " 135\u00B0\n", .25, _rl);
img_needle_label(cr, " 90\u00B0\n", 0.5, _rl);
img_needle_label(cr, " 45\u00B0\n", .75, _rl);
img_needle_label(cr, " 0\u00B0\n", 1.0, _rl);
CairoSetSouerceRGBA(c_wht);
img_write_text(cr, "Corr", img_fonthuge, _xc + .5, _yl, 0);
}
/*! \brief Actually renders the swatch */
static void
ghid_cell_renderer_visibility_render (GtkCellRenderer *cell,
GdkWindow *window,
GtkWidget *widget,
GdkRectangle *background_area,
GdkRectangle *cell_area,
GdkRectangle *expose_area,
GtkCellRendererState flags)
{
GHidCellRendererVisibility *pcb_cell;
GdkRectangle toggle_rect;
GdkRectangle draw_rect;
gint xpad, ypad;
pcb_cell = GHID_CELL_RENDERER_VISIBILITY (cell);
ghid_cell_renderer_visibility_get_size (cell, widget, cell_area,
&toggle_rect.x,
&toggle_rect.y,
&toggle_rect.width,
&toggle_rect.height);
gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
toggle_rect.x += cell_area->x + xpad;
toggle_rect.y += cell_area->y + ypad;
toggle_rect.width -= xpad * 2;
toggle_rect.height -= ypad * 2;
if (toggle_rect.width <= 0 || toggle_rect.height <= 0)
return;
if (gdk_rectangle_intersect (expose_area, cell_area, &draw_rect))
{
GdkColor color;
cairo_t *cr = gdk_cairo_create (window);
cairo_pattern_t *pattern;
if (expose_area)
{
gdk_cairo_rectangle (cr, expose_area);
cairo_clip (cr);
}
cairo_set_line_width (cr, 1);
cairo_rectangle (cr, toggle_rect.x + 0.5, toggle_rect.y + 0.5,
toggle_rect.width - 1, toggle_rect.height - 1);
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_fill_preserve (cr);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_stroke (cr);
gdk_color_parse (pcb_cell->color, &color);
if (flags & GTK_CELL_RENDERER_PRELIT)
{
color.red = (4*color.red + 65535) / 5;
color.green = (4*color.green + 65535) / 5;
color.blue = (4*color.blue + 65535) / 5;
}
pattern = cairo_pattern_create_radial ((toggle_rect.width - 1.) * 0.75 + toggle_rect.x + 0.5,
(toggle_rect.height - 1.) * 0.75 + toggle_rect.y + 0.5,
0.,
(toggle_rect.width - 1.) * 0.50 + toggle_rect.x + 0.5,
(toggle_rect.height - 1.) * 0.50 + toggle_rect.y + 0.5,
(toggle_rect.width - 1.) * 0.71);
cairo_pattern_add_color_stop_rgb (pattern, 0.0,
(color.red / 65535. * 4. + 1.) / 5.,
(color.green / 65535. * 4. + 1.) / 5.,
(color.blue / 65535. * 4. + 1.) / 5.);
cairo_pattern_add_color_stop_rgb (pattern, 1.0,
(color.red / 65535. * 5. + 0.) / 5.,
(color.green / 65535. * 5. + 0.) / 5.,
(color.blue / 65535. * 5. + 0.) / 5.);
cairo_set_source (cr, pattern);
cairo_pattern_destroy (pattern);
if (pcb_cell->active)
cairo_rectangle (cr, toggle_rect.x + 0.5, toggle_rect.y + 0.5,
toggle_rect.width - 1, toggle_rect.height - 1);
else
{
cairo_move_to (cr, toggle_rect.x + 1, toggle_rect.y + 1);
cairo_rel_line_to (cr, toggle_rect.width / 2, 0);
cairo_rel_line_to (cr, -toggle_rect.width / 2, toggle_rect.width / 2);
cairo_close_path (cr);
}
cairo_fill (cr);
cairo_destroy (cr);
}
}
static gboolean dt_iop_levels_expose(GtkWidget *widget, GdkEventExpose *event, 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;
const int inset = DT_GUI_CURVE_EDITOR_INSET;
int width = widget->allocation.width, height = widget->allocation.height;
cairo_surface_t *cst = 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 &&
self->color_picker_point[0] >= 0.0f && self->color_picker_point[1] >= 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, 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, .4);
cairo_set_source_rgb (cr, .1, .1, .1);
dt_draw_vertical_lines(cr, 4, 0, 0, width, height);
// Drawing the vertical line indicators
cairo_set_line_width(cr, 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, 1.);
const float arrw = 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)
{
dt_develop_t *dev = darktable.develop;
float *hist, hist_max;
hist = self->histogram;
hist_max = dev->histogram_linear?self->histogram_max[0]:logf(1.0 + self->histogram_max[0]);
if(hist && hist_max > 0)
{
cairo_save(cr);
cairo_scale(cr, width/63.0, -(height-5)/(float)hist_max);
cairo_set_source_rgba(cr, .2, .2, .2, 0.5);
dt_draw_histogram_8(cr, hist, 0);
cairo_restore(cr);
}
}
// Cleaning up
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 cairo_time_t
draw_spiral (cairo_t *cr,
cairo_fill_rule_t fill_rule,
align_t align,
close_t close,
int width, int height, int loops)
{
int i;
int n=0;
double x[MAX_SEGMENTS];
double y[MAX_SEGMENTS];
int step = 3;
int side = width < height ? width : height;
assert(5*(side/step/2+1)+2 < MAX_SEGMENTS);
#define L(x_,y_) (x[n] = (x_), y[n] = (y_), n++)
#define M(x_,y_) L(x_,y_)
#define v(t) L(x[n-1], y[n-1] + (t))
#define h(t) L(x[n-1] + (t), y[n-1])
switch (align) {
case PIXALIGN: M(0,0); break;
case NONALIGN: M(0.1415926, 0.7182818); break;
}
while (side >= step && side >= 0) {
v(side);
h(side);
v(-side);
h(-side+step);
v(step);
side -= 2*step;
}
switch (close) {
case RECTCLOSE: L(x[n-1],y[0]); break;
case DIAGCLOSE: L(x[0],y[0]); break;
}
assert(n < MAX_SEGMENTS);
cairo_save (cr);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_paint (cr);
cairo_translate (cr, 1, 1);
cairo_set_fill_rule (cr, fill_rule);
cairo_set_source_rgb (cr, 1, 0, 0);
cairo_new_path (cr);
cairo_move_to (cr, x[0], y[0]);
for (i = 1; i < n; i++) {
cairo_line_to (cr, x[i], y[i]);
}
cairo_close_path (cr);
cairo_perf_timer_start ();
cairo_perf_set_thread_aware (cr, FALSE);
while (loops--) {
if (loops == 0)
cairo_perf_set_thread_aware (cr, TRUE);
cairo_fill_preserve (cr);
}
cairo_perf_timer_stop ();
cairo_restore (cr);
return cairo_perf_timer_elapsed ();
}
/*
* BackgroundLayer::render
*
* Render the background to the tab bar, also render the tab bar animation
*
*/
void
BackgroundLayer::render ()
{
cairo_t *cr;
int twidth, theight, radius;
int borderWidth;
float r, g, b, a;
double x0, y0, x1, y1;
GROUP_SCREEN (screen);
if (!HAS_TOP_WIN (mGroup) || !mCairo)
return;
/* Dimensions are the tab bar's region */
twidth = mGroup->mTabBar->mRegion.boundingRect ().width ();
theight = mGroup->mTabBar->mRegion.boundingRect ().height ();
radius = gs->optionGetBorderRadius ();
/* Do not draw more than the tab bar width */
if (twidth > width ())
twidth = width ();
/* Border radius should not exceed
* half of the tab bar height */
if (radius > twidth / 2)
radius = twidth / 2;
cr = mCairo;
/* Clear the layer */
clear ();
/* Draw the border around the tab bar */
borderWidth = gs->optionGetBorderWidth ();
cairo_set_line_width (cr, borderWidth);
cairo_save (cr);
/* Move to the center of where we want to draw the line */
x0 = borderWidth / 2.0f;
y0 = borderWidth / 2.0f;
/* The center of where we want to draw the opposite line */
x1 = twidth - borderWidth / 2.0f;
y1 = theight - borderWidth / 2.0f;
cairo_move_to (cr, x0 + radius, y0);
/* Arc the top right corner */
cairo_arc (cr, x1 - radius, y0 + radius, radius, M_PI * 1.5, M_PI * 2.0);
/* Arc the bottom right corner */
cairo_arc (cr, x1 - radius, y1 - radius, radius, 0.0, M_PI * 0.5);
/* Arc the bottom left corner */
cairo_arc (cr, x0 + radius, y1 - radius, radius, M_PI * 0.5, M_PI);
/* Arc the top left corner */
cairo_arc (cr, x0 + radius, y0 + radius, radius, M_PI, M_PI * 1.5);
cairo_close_path (cr);
/* There are 5 different tab styles here:
* Simple: draws a simple filled rect
* Gradient: left to right gradient between base and highlight
* Glass: left to right gradient, stopping at 60% and drawing a shadow
* Metal: base -> highlight -> base gradient
* Murrina: draws an arc between the two corners blending base and highlight
*/
switch (gs->optionGetTabStyle ()) {
case GroupOptions::TabStyleSimple:
{
/* base color */
r = gs->optionGetTabBaseColorRed () / 65535.0f;
g = gs->optionGetTabBaseColorGreen () / 65535.0f;
b = gs->optionGetTabBaseColorBlue () / 65535.0f;
a = gs->optionGetTabBaseColorAlpha () / 65535.0f;
cairo_set_source_rgba (cr, r, g, b, a);
cairo_fill_preserve (cr);
break;
}
case GroupOptions::TabStyleGradient:
{
/* fill */
cairo_pattern_t *pattern;
pattern = cairo_pattern_create_linear (0, 0, twidth, theight);
/* highlight color */
r = gs->optionGetTabHighlightColorRed () / 65535.0f;
g = gs->optionGetTabHighlightColorGreen () / 65535.0f;
b = gs->optionGetTabHighlightColorBlue () / 65535.0f;
a = gs->optionGetTabHighlightColorAlpha () / 65535.0f;
cairo_pattern_add_color_stop_rgba (pattern, 0.0f, r, g, b, a);
/* base color */
r = gs->optionGetTabBaseColorRed () / 65535.0f;
g = gs->optionGetTabBaseColorGreen () / 65535.0f;
b = gs->optionGetTabBaseColorBlue () / 65535.0f;
a = gs->optionGetTabBaseColorAlpha () / 65535.0f;
cairo_pattern_add_color_stop_rgba (pattern, 1.0f, r, g, b, a);
cairo_set_source (cr, pattern);
cairo_fill_preserve (cr);
cairo_pattern_destroy (pattern);
break;
}
case GroupOptions::TabStyleGlass:
{
cairo_pattern_t *pattern;
cairo_save (cr);
/* clip width rounded rectangle */
cairo_clip (cr);
/* ===== HIGHLIGHT ===== */
/* make draw the shape for the highlight and
create a pattern for it */
cairo_rectangle (cr, 0, 0, twidth, theight / 2);
pattern = cairo_pattern_create_linear (0, 0, 0, theight);
/* highlight color */
r = gs->optionGetTabHighlightColorRed () / 65535.0f;
g = gs->optionGetTabHighlightColorGreen () / 65535.0f;
b = gs->optionGetTabHighlightColorBlue () / 65535.0f;
a = gs->optionGetTabHighlightColorAlpha () / 65535.0f;
cairo_pattern_add_color_stop_rgba (pattern, 0.0f, r, g, b, a);
/* base color */
r = gs->optionGetTabBaseColorRed () / 65535.0f;
g = gs->optionGetTabBaseColorGreen () / 65535.0f;
b = gs->optionGetTabBaseColorBlue () / 65535.0f;
a = gs->optionGetTabBaseColorAlpha () / 65535.0f;
cairo_pattern_add_color_stop_rgba (pattern, 0.6f, r, g, b, a);
cairo_set_source (cr, pattern);
cairo_fill (cr);
cairo_pattern_destroy (pattern);
/* ==== SHADOW ===== */
/* make draw the shape for the show and create a pattern for it */
cairo_rectangle (cr, 0, theight / 2, twidth, theight);
pattern = cairo_pattern_create_linear (0, 0, 0, theight);
/* we don't want to use a full highlight here
so we mix the colors */
r = (gs->optionGetTabHighlightColorRed () +
gs->optionGetTabBaseColorRed ()) / (2 * 65535.0f);
g = (gs->optionGetTabHighlightColorGreen () +
gs->optionGetTabBaseColorGreen ()) / (2 * 65535.0f);
b = (gs->optionGetTabHighlightColorBlue () +
gs->optionGetTabBaseColorBlue ()) / (2 * 65535.0f);
a = (gs->optionGetTabHighlightColorAlpha () +
gs->optionGetTabBaseColorAlpha ()) / (2 * 65535.0f);
cairo_pattern_add_color_stop_rgba (pattern, 1.0f, r, g, b, a);
/* base color */
r = gs->optionGetTabBaseColorRed () / 65535.0f;
g = gs->optionGetTabBaseColorGreen () / 65535.0f;
b = gs->optionGetTabBaseColorBlue () / 65535.0f;
a = gs->optionGetTabBaseColorAlpha () / 65535.0f;
cairo_pattern_add_color_stop_rgba (pattern, 0.5f, r, g, b, a);
cairo_set_source (cr, pattern);
cairo_fill (cr);
cairo_pattern_destroy (pattern);
cairo_restore (cr);
/* draw shape again for the outline */
cairo_move_to (cr, x0 + radius, y0);
cairo_arc (cr, x1 - radius, y0 + radius,
radius, M_PI * 1.5, M_PI * 2.0);
cairo_arc (cr, x1 - radius, y1 - radius,
radius, 0.0, M_PI * 0.5);
cairo_arc (cr, x0 + radius, y1 - radius,
radius, M_PI * 0.5, M_PI);
cairo_arc (cr, x0 + radius, y0 + radius,
radius, M_PI, M_PI * 1.5);
break;
}
case GroupOptions::TabStyleMetal:
{
/* fill */
cairo_pattern_t *pattern;
pattern = cairo_pattern_create_linear (0, 0, 0, theight);
/* base color #1 */
r = gs->optionGetTabBaseColorRed () / 65535.0f;
g = gs->optionGetTabBaseColorGreen () / 65535.0f;
b = gs->optionGetTabBaseColorBlue () / 65535.0f;
a = gs->optionGetTabBaseColorAlpha () / 65535.0f;
cairo_pattern_add_color_stop_rgba (pattern, 0.0f, r, g, b, a);
/* highlight color */
r = gs->optionGetTabHighlightColorRed () / 65535.0f;
g = gs->optionGetTabHighlightColorGreen () / 65535.0f;
b = gs->optionGetTabHighlightColorBlue () / 65535.0f;
a = gs->optionGetTabHighlightColorAlpha () / 65535.0f;
cairo_pattern_add_color_stop_rgba (pattern, 0.55f, r, g, b, a);
/* base color #2 */
r = gs->optionGetTabBaseColorRed () / 65535.0f;
g = gs->optionGetTabBaseColorGreen () / 65535.0f;
b = gs->optionGetTabBaseColorBlue () / 65535.0f;
a = gs->optionGetTabBaseColorAlpha () / 65535.0f;
cairo_pattern_add_color_stop_rgba (pattern, 1.0f, r, g, b, a);
cairo_set_source (cr, pattern);
cairo_fill_preserve (cr);
cairo_pattern_destroy (pattern);
break;
}
case GroupOptions::TabStyleMurrina:
{
double ratio, transX;
cairo_pattern_t *pattern;
cairo_save (cr);
/* clip width rounded rectangle */
cairo_clip_preserve (cr);
/* ==== TOP ==== */
x0 = borderWidth / 2.0;
y0 = borderWidth / 2.0;
x1 = twidth - borderWidth / 2.0;
y1 = theight - borderWidth / 2.0;
radius = (y1 - y0) / 2;
/* setup pattern */
pattern = cairo_pattern_create_linear (0, 0, 0, theight);
/* we don't want to use a full highlight here
so we mix the colors */
r = (gs->optionGetTabHighlightColorRed () +
gs->optionGetTabBaseColorRed ()) / (2 * 65535.0f);
g = (gs->optionGetTabHighlightColorGreen () +
gs->optionGetTabBaseColorGreen ()) / (2 * 65535.0f);
b = (gs->optionGetTabHighlightColorBlue () +
gs->optionGetTabBaseColorBlue ()) / (2 * 65535.0f);
a = (gs->optionGetTabHighlightColorAlpha () +
gs->optionGetTabBaseColorAlpha ()) / (2 * 65535.0f);
cairo_pattern_add_color_stop_rgba (pattern, 0.0f, r, g, b, a);
/* highlight color */
r = gs->optionGetTabHighlightColorRed () / 65535.0f;
g = gs->optionGetTabHighlightColorGreen () / 65535.0f;
b = gs->optionGetTabHighlightColorBlue () / 65535.0f;
a = gs->optionGetTabHighlightColorAlpha () / 65535.0f;
cairo_pattern_add_color_stop_rgba (pattern, 1.0f, r, g, b, a);
cairo_set_source (cr, pattern);
cairo_fill (cr);
cairo_pattern_destroy (pattern);
/* ==== BOTTOM ===== */
x0 = borderWidth / 2.0;
y0 = borderWidth / 2.0;
x1 = twidth - borderWidth / 2.0;
y1 = theight - borderWidth / 2.0;
radius = (y1 - y0) / 2;
ratio = (double)twidth / (double)theight;
transX = twidth - (twidth * ratio);
cairo_move_to (cr, x1, y1);
cairo_line_to (cr, x1, y0);
if (twidth < theight)
{
cairo_translate (cr, transX, 0);
cairo_scale (cr, ratio, 1.0);
}
cairo_arc (cr, x1 - radius, y0, radius, 0.0, M_PI * 0.5);
if (twidth < theight)
{
cairo_scale (cr, 1.0 / ratio, 1.0);
cairo_translate (cr, -transX, 0);
cairo_scale (cr, ratio, 1.0);
}
cairo_arc_negative (cr, x0 + radius, y1,
radius, M_PI * 1.5, M_PI);
cairo_close_path (cr);
/* setup pattern */
pattern = cairo_pattern_create_linear (0, 0, 0, theight);
/* base color */
r = gs->optionGetTabBaseColorRed () / 65535.0f;
g = gs->optionGetTabBaseColorGreen () / 65535.0f;
b = gs->optionGetTabBaseColorBlue () / 65535.0f;
a = gs->optionGetTabBaseColorAlpha () / 65535.0f;
cairo_pattern_add_color_stop_rgba (pattern, 0.0f, r, g, b, a);
/* we don't want to use a full highlight here
so we mix the colors */
r = (gs->optionGetTabHighlightColorRed () +
gs->optionGetTabBaseColorRed ()) / (2 * 65535.0f);
g = (gs->optionGetTabHighlightColorGreen () +
gs->optionGetTabBaseColorGreen ()) / (2 * 65535.0f);
b = (gs->optionGetTabHighlightColorBlue () +
gs->optionGetTabBaseColorBlue ()) / (2 * 65535.0f);
a = (gs->optionGetTabHighlightColorAlpha () +
gs->optionGetTabBaseColorAlpha ()) / (2 * 65535.0f);
cairo_pattern_add_color_stop_rgba (pattern, 1.0f, r, g, b, a);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source (cr, pattern);
cairo_fill (cr);
cairo_pattern_destroy (pattern);
cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
cairo_restore (cr);
/* draw shape again for the outline */
x0 = borderWidth / 2.0;
y0 = borderWidth / 2.0;
x1 = twidth - borderWidth / 2.0;
y1 = theight - borderWidth / 2.0;
radius = gs->optionGetBorderRadius ();
cairo_move_to (cr, x0 + radius, y0);
cairo_arc (cr, x1 - radius, y0 + radius,
radius, M_PI * 1.5, M_PI * 2.0);
cairo_arc (cr, x1 - radius, y1 - radius,
radius, 0.0, M_PI * 0.5);
cairo_arc (cr, x0 + radius, y1 - radius,
radius, M_PI * 0.5, M_PI);
cairo_arc (cr, x0 + radius, y0 + radius,
radius, M_PI, M_PI * 1.5);
break;
}
default:
break;
}
/* outline */
r = gs->optionGetTabBorderColorRed () / 65535.0f;
g = gs->optionGetTabBorderColorGreen () / 65535.0f;
b = gs->optionGetTabBorderColorBlue () / 65535.0f;
a = gs->optionGetTabBorderColorAlpha () / 65535.0f;
cairo_set_source_rgba (cr, r, g, b, a);
/* If there is an animation running, stroke preserved
* so that we can paint directly on top (and blend!)
* the new animation with the existing tab bar.
* Otherwise just stroke normally, this is less expensive
*/
if (mBgAnimation != AnimationNone)
cairo_stroke_preserve (cr);
else
cairo_stroke (cr);
/* There are two animations here:
* Pulse: Highlight tab bar in and out (used for tab hover)
* Reflex: Paint a diagonal gradient moving from right to left
* on the tab bar when it appears
*/
switch (mBgAnimation) {
case AnimationPulse:
{
double animationProgress;
double alpha;
/* Progress here is measured in the current time */
animationProgress = mBgAnimationTime /
(gs->optionGetPulseTime () * 1000.0);
/* The highlight pulsates in and out, so the alpha here should run
* on a sine wave */
alpha = sin ((2 * PI * animationProgress) - 1.55)*0.5 + 0.5;
/* If the alpha of the animation is < 0, don't bother painting */
if (alpha <= 0)
break;
cairo_save (cr);
cairo_clip (cr);
/* Paint highlight over the tab bar */
cairo_set_operator (cr, CAIRO_OPERATOR_XOR);
cairo_rectangle (cr, 0.0, 0.0, twidth, theight);
cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, alpha);
cairo_fill (cr);
cairo_restore (cr);
break;
}
case AnimationReflex:
{
double animationProgress;
double reflexWidth;
double posX, alpha;
cairo_pattern_t *pattern;
/* Progress is measured in current time */
animationProgress = mBgAnimationTime /
(gs->optionGetReflexTime () * 1000.0);
/* Position here is the tab bar width plus the reflection width * 2 */
reflexWidth = (mGroup->mTabBar->mSlots.size () / 2.0) * 30;
posX = (twidth + reflexWidth * 2.0) * animationProgress;
alpha = sin (PI * animationProgress) * 0.55;
if (alpha <= 0)
break;
cairo_save (cr);
cairo_clip (cr);
pattern = cairo_pattern_create_linear (posX - reflexWidth,
0.0, posX, theight);
cairo_pattern_add_color_stop_rgba (pattern,
0.0f, 1.0, 1.0, 1.0, 0.0);
cairo_pattern_add_color_stop_rgba (pattern,
0.5f, 1.0, 1.0, 1.0, alpha);
cairo_pattern_add_color_stop_rgba (pattern,
1.0f, 1.0, 1.0, 1.0, 0.0);
cairo_rectangle (cr, 0.0, 0.0, twidth, theight);
cairo_set_source (cr, pattern);
cairo_fill (cr);
cairo_restore (cr);
cairo_pattern_destroy (pattern);
break;
}
case AnimationNone:
default:
break;
}
/* draw inner outline */
cairo_move_to (cr, x0 + radius + 1.0, y0 + 1.0);
cairo_arc (cr, x1 - radius - 1.0, y0 + radius + 1.0,
radius, M_PI * 1.5, M_PI * 2.0);
cairo_arc (cr, x1 - radius - 1.0, y1 - radius - 1.0,
radius, 0.0, M_PI * 0.5);
cairo_arc (cr, x0 + radius + 1.0, y1 - radius - 1.0,
radius, M_PI * 0.5, M_PI);
cairo_arc (cr, x0 + radius + 1.0, y0 + radius + 1.0,
radius, M_PI, M_PI * 1.5);
cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 0.3);
cairo_stroke(cr);
cairo_restore (cr);
mTexture = GLTexture::imageBufferToTexture ((char*) mBuffer,
(CompSize &) *this);
}
/*
* Draws global image with fill color onto a pixmap with the given
* resolution and returns it.
*
*/
xcb_pixmap_t draw_image(uint32_t *resolution) {
xcb_pixmap_t bg_pixmap = XCB_NONE;
int button_diameter_physical = ceil(scaling_factor() * BUTTON_DIAMETER);
DEBUG("scaling_factor is %.f, physical diameter is %d px\n",
scaling_factor(), button_diameter_physical);
if (!vistype)
vistype = get_root_visual_type(screen);
bg_pixmap = create_bg_pixmap(conn, screen, resolution, color);
/* Initialize cairo: Create one in-memory surface to render the unlock
* indicator on, create one XCB surface to actually draw (one or more,
* depending on the amount of screens) unlock indicators on. */
cairo_surface_t *output = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, button_diameter_physical, button_diameter_physical);
cairo_t *ctx = cairo_create(output);
cairo_t *ctx1 = cairo_create(output);
cairo_surface_t *xcb_output = cairo_xcb_surface_create(conn, bg_pixmap, vistype, resolution[0], resolution[1]);
cairo_t *xcb_ctx = cairo_create(xcb_output);
cairo_text_extents_t extents;
double x, y;
cairo_set_source_rgb(ctx1, 0, 0, 0);
cairo_set_font_size(ctx1, 12.0);
cairo_text_extents(ctx1, flg_string, &extents);
x = BUTTON_CENTER - ((extents.width / 2) + extents.x_bearing) - 12;
y = BUTTON_CENTER - ((extents.height / 2) + extents.y_bearing) + 75 ;
cairo_move_to(ctx1, x, y);
cairo_show_text(ctx1, flg_string);
cairo_close_path(ctx1);
if (img) {
if (!tile) {
cairo_set_source_surface(xcb_ctx, img, 0, 0);
cairo_paint(xcb_ctx);
} else {
/* create a pattern and fill a rectangle as big as the screen */
cairo_pattern_t *pattern;
pattern = cairo_pattern_create_for_surface(img);
cairo_set_source(xcb_ctx, pattern);
cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
cairo_rectangle(xcb_ctx, 0, 0, resolution[0], resolution[1]);
cairo_fill(xcb_ctx);
cairo_pattern_destroy(pattern);
}
} else {
char strgroups[3][3] = {{color[0], color[1], '\0'},
{color[2], color[3], '\0'},
{color[4], color[5], '\0'}};
uint32_t rgb16[3] = {(strtol(strgroups[0], NULL, 16)),
(strtol(strgroups[1], NULL, 16)),
(strtol(strgroups[2], NULL, 16))};
cairo_set_source_rgb(xcb_ctx, rgb16[0] / 255.0, rgb16[1] / 255.0, rgb16[2] / 255.0);
cairo_rectangle(xcb_ctx, 0, 0, resolution[0], resolution[1]);
cairo_fill(xcb_ctx);
}
if (unlock_state >= STATE_KEY_PRESSED && unlock_indicator) {
cairo_scale(ctx, scaling_factor(), scaling_factor());
/* Draw a (centered) circle with transparent background. */
cairo_set_line_width(ctx, 10.0);
cairo_arc(ctx,
BUTTON_CENTER /* x */,
BUTTON_CENTER /* y */,
BUTTON_RADIUS /* radius */,
0 /* start */,
2 * M_PI /* end */);
/* Use the appropriate color for the different PAM states
* (currently verifying, wrong password, or default) */
switch (pam_state) {
case STATE_PAM_VERIFY:
cairo_set_source_rgba(ctx, 0, 114.0/255, 255.0/255, 0.75);
break;
case STATE_PAM_WRONG:
cairo_set_source_rgba(ctx, 250.0/255, 0, 0, 0.75);
break;
default:
cairo_set_source_rgba(ctx, 0, 0, 0, 0.75);
break;
}
cairo_fill_preserve(ctx);
switch (pam_state) {
case STATE_PAM_VERIFY:
cairo_set_source_rgb(ctx, 51.0/255, 0, 250.0/255);
break;
case STATE_PAM_WRONG:
cairo_set_source_rgb(ctx, 125.0/255, 51.0/255, 0);
break;
case STATE_PAM_IDLE:
cairo_set_source_rgb(ctx, 51.0/255, 125.0/255, 0);
break;
}
cairo_stroke(ctx);
/* Draw an inner seperator line. */
cairo_set_source_rgb(ctx, 0, 0, 0);
cairo_set_line_width(ctx, 2.0);
cairo_arc(ctx,
BUTTON_CENTER /* x */,
BUTTON_CENTER /* y */,
BUTTON_RADIUS - 5 /* radius */,
0,
2 * M_PI);
cairo_stroke(ctx);
cairo_set_line_width(ctx, 10.0);
/* Display a (centered) text of the current PAM state. */
char *text = NULL;
switch (pam_state) {
case STATE_PAM_VERIFY:
text = "verifying…";
break;
case STATE_PAM_WRONG:
text = "wrong!";
break;
default:
break;
}
if (text) {
cairo_text_extents_t extents;
double x, y;
cairo_set_source_rgb(ctx, 0, 0, 0);
cairo_set_font_size(ctx, 28.0);
cairo_text_extents(ctx, text, &extents);
x = BUTTON_CENTER - ((extents.width / 2) + extents.x_bearing);
y = BUTTON_CENTER - ((extents.height / 2) + extents.y_bearing);
cairo_move_to(ctx, x, y);
cairo_show_text(ctx, text);
cairo_close_path(ctx);
}
/* After the user pressed any valid key or the backspace key, we
* highlight a random part of the unlock indicator to confirm this
* keypress. */
if (unlock_state == STATE_KEY_ACTIVE ||
unlock_state == STATE_BACKSPACE_ACTIVE) {
cairo_new_sub_path(ctx);
double highlight_start = (rand() % (int)(2 * M_PI * 100)) / 100.0;
cairo_arc(ctx,
BUTTON_CENTER /* x */,
BUTTON_CENTER /* y */,
BUTTON_RADIUS /* radius */,
highlight_start,
highlight_start + (M_PI / 3.0));
if (unlock_state == STATE_KEY_ACTIVE) {
/* For normal keys, we use a lighter green. */
cairo_set_source_rgb(ctx, 51.0/255, 219.0/255, 0);
} else {
/* For backspace, we use red. */
cairo_set_source_rgb(ctx, 219.0/255, 51.0/255, 0);
}
cairo_stroke(ctx);
/* Draw two little separators for the highlighted part of the
* unlock indicator. */
cairo_set_source_rgb(ctx, 0, 0, 0);
cairo_arc(ctx,
BUTTON_CENTER /* x */,
BUTTON_CENTER /* y */,
BUTTON_RADIUS /* radius */,
highlight_start /* start */,
highlight_start + (M_PI / 128.0) /* end */);
cairo_stroke(ctx);
cairo_arc(ctx,
BUTTON_CENTER /* x */,
BUTTON_CENTER /* y */,
BUTTON_RADIUS /* radius */,
highlight_start + (M_PI / 3.0) /* start */,
(highlight_start + (M_PI / 3.0)) + (M_PI / 128.0) /* end */);
cairo_stroke(ctx);
}
}
if (xr_screens > 0) {
/* Composite the unlock indicator in the middle of each screen. */
for (int screen = 0; screen < xr_screens; screen++) {
int x = (xr_resolutions[screen].x + ((xr_resolutions[screen].width / 2) - (button_diameter_physical / 2)));
int y = (xr_resolutions[screen].y + ((xr_resolutions[screen].height / 2) - (button_diameter_physical / 2)));
cairo_set_source_surface(xcb_ctx, output, x, y);
cairo_rectangle(xcb_ctx, x, y, button_diameter_physical, button_diameter_physical);
cairo_fill(xcb_ctx);
}
} else {
/* We have no information about the screen sizes/positions, so we just
* place the unlock indicator in the middle of the X root window and
* hope for the best. */
int x = (last_resolution[0] / 2) - (button_diameter_physical / 2);
int y = (last_resolution[1] / 2) - (button_diameter_physical / 2);
cairo_set_source_surface(xcb_ctx, output, x, y);
cairo_rectangle(xcb_ctx, x, y, button_diameter_physical, button_diameter_physical);
cairo_fill(xcb_ctx);
}
cairo_surface_destroy(xcb_output);
cairo_surface_destroy(output);
cairo_destroy(ctx);
cairo_destroy(xcb_ctx);
return bg_pixmap;
}
static void
draw_text_bubble (cairo_t *cr,
GtkWidget *widget,
gdouble pointx,
gdouble pointy)
{
static const double corner_radius = 9.0;
static const double margin_top = 12.0;
static const double margin_bottom = 12.0;
static const double margin_left = 24.0;
static const double margin_right = 24.0;
CcTimezoneMapPrivate *priv = CC_TIMEZONE_MAP (widget)->priv;
GtkAllocation alloc;
PangoLayout *layout;
PangoRectangle text_rect;
double x;
double y;
double width;
double height;
if (!priv->bubble_text)
return;
gtk_widget_get_allocation (widget, &alloc);
layout = gtk_widget_create_pango_layout (widget, NULL);
/* Layout the text */
pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
pango_layout_set_spacing (layout, 3);
pango_layout_set_markup (layout, priv->bubble_text, -1);
pango_layout_get_pixel_extents (layout, NULL, &text_rect);
/* Calculate the bubble size based on the text layout size */
width = text_rect.width + margin_left + margin_right;
height = text_rect.height + margin_top + margin_bottom;
if (pointx < alloc.width / 2)
x = pointx + 25;
else
x = pointx - width - 25;
y = pointy - height / 2;
/* Make sure it fits in the visible area */
x = CLAMP (x, 0, alloc.width - width);
y = CLAMP (y, 0, alloc.height - height);
cairo_save (cr);
cairo_translate (cr, x, y);
/* Draw the bubble */
cairo_new_sub_path (cr);
cairo_arc (cr, width - corner_radius, corner_radius, corner_radius, radians (-90), radians (0));
cairo_arc (cr, width - corner_radius, height - corner_radius, corner_radius, radians (0), radians (90));
cairo_arc (cr, corner_radius, height - corner_radius, corner_radius, radians (90), radians (180));
cairo_arc (cr, corner_radius, corner_radius, corner_radius, radians (180), radians (270));
cairo_close_path (cr);
cairo_set_source_rgba (cr, 0.2, 0.2, 0.2, 0.7);
cairo_fill (cr);
/* And finally draw the text */
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_move_to (cr, margin_left, margin_top);
pango_cairo_show_layout (cr, layout);
g_object_unref (layout);
cairo_restore (cr);
}
static void draw_unlock_indicator() {
/* Initialise the surface if not yet done */
if (unlock_indicator_surface == NULL) {
button_diameter_physical = ceil(scaling_factor() * BUTTON_DIAMETER);
DEBUG("scaling_factor is %.f, physical diameter is %d px\n",
scaling_factor(), button_diameter_physical);
unlock_indicator_surface = cairo_image_surface_create(
CAIRO_FORMAT_ARGB32, button_diameter_physical,
button_diameter_physical);
}
cairo_t *ctx = cairo_create(unlock_indicator_surface);
/* clear the surface */
cairo_save(ctx);
cairo_set_operator(ctx, CAIRO_OPERATOR_CLEAR);
cairo_paint(ctx);
cairo_restore(ctx);
if (unlock_state >= STATE_KEY_PRESSED && unlock_indicator) {
cairo_scale(ctx, scaling_factor(), scaling_factor());
/* Draw a (centered) circle with transparent background. */
cairo_set_line_width(ctx, 10.0);
cairo_arc(ctx, BUTTON_CENTER /* x */, BUTTON_CENTER /* y */,
BUTTON_RADIUS /* radius */, 0 /* start */,
2 * M_PI /* end */);
/* Use the appropriate color for the different PAM states
* (currently verifying, wrong password, or default) */
switch (pam_state) {
case STATE_PAM_VERIFY:
cairo_set_source_rgba(ctx, 0, 114.0 / 255, 255.0 / 255, 0.75);
break;
case STATE_PAM_WRONG:
cairo_set_source_rgba(ctx, 250.0 / 255, 0, 0, 0.75);
break;
default:
cairo_set_source_rgba(ctx, 0, 0, 0, 0.75);
break;
}
cairo_fill_preserve(ctx);
switch (pam_state) {
case STATE_PAM_VERIFY:
cairo_set_source_rgb(ctx, 51.0 / 255, 0, 250.0 / 255);
break;
case STATE_PAM_WRONG:
cairo_set_source_rgb(ctx, 125.0 / 255, 51.0 / 255, 0);
break;
case STATE_PAM_IDLE:
cairo_set_source_rgb(ctx, 51.0 / 255, 125.0 / 255, 0);
break;
}
cairo_stroke(ctx);
/* Draw an inner seperator line. */
cairo_set_source_rgb(ctx, 0, 0, 0);
cairo_set_line_width(ctx, 2.0);
cairo_arc(ctx, BUTTON_CENTER /* x */, BUTTON_CENTER /* y */,
BUTTON_RADIUS - 5 /* radius */, 0, 2 * M_PI);
cairo_stroke(ctx);
cairo_set_line_width(ctx, 10.0);
/* Display a (centered) text of the current PAM state. */
char *text = NULL;
/* We don't want to show more than a 3-digit number. */
char buf[4];
cairo_set_source_rgb(ctx, 0, 0, 0);
cairo_set_font_size(ctx, 28.0);
switch (pam_state) {
case STATE_PAM_VERIFY:
text = "verifying…";
break;
case STATE_PAM_WRONG:
text = "wrong!";
break;
default:
if (show_failed_attempts && failed_attempts > 0) {
if (failed_attempts > 999) {
text = "> 999";
} else {
snprintf(buf, sizeof(buf), "%d", failed_attempts);
text = buf;
}
cairo_set_source_rgb(ctx, 1, 0, 0);
cairo_set_font_size(ctx, 32.0);
}
break;
}
if (text) {
cairo_text_extents_t extents;
double x, y;
cairo_text_extents(ctx, text, &extents);
x = BUTTON_CENTER - ((extents.width / 2) + extents.x_bearing);
y = BUTTON_CENTER - ((extents.height / 2) + extents.y_bearing);
cairo_move_to(ctx, x, y);
cairo_show_text(ctx, text);
cairo_close_path(ctx);
}
if (pam_state == STATE_PAM_WRONG && (modifier_string != NULL)) {
cairo_text_extents_t extents;
double x, y;
cairo_set_font_size(ctx, 14.0);
cairo_text_extents(ctx, modifier_string, &extents);
x = BUTTON_CENTER - ((extents.width / 2) + extents.x_bearing);
y = BUTTON_CENTER - ((extents.height / 2) + extents.y_bearing) +
28.0;
cairo_move_to(ctx, x, y);
cairo_show_text(ctx, modifier_string);
cairo_close_path(ctx);
}
/* After the user pressed any valid key or the backspace key, we
* highlight a random part of the unlock indicator to confirm this
* keypress. */
if (unlock_state == STATE_KEY_ACTIVE ||
unlock_state == STATE_BACKSPACE_ACTIVE) {
cairo_new_sub_path(ctx);
double highlight_start = (rand() % (int)(2 * M_PI * 100)) / 100.0;
cairo_arc(ctx, BUTTON_CENTER /* x */, BUTTON_CENTER /* y */,
BUTTON_RADIUS /* radius */, highlight_start,
highlight_start + (M_PI / 3.0));
if (unlock_state == STATE_KEY_ACTIVE) {
/* For normal keys, we use a lighter green. */
cairo_set_source_rgb(ctx, 51.0 / 255, 219.0 / 255, 0);
} else {
/* For backspace, we use red. */
cairo_set_source_rgb(ctx, 219.0 / 255, 51.0 / 255, 0);
}
cairo_stroke(ctx);
/* Draw two little separators for the highlighted part of the
* unlock indicator. */
cairo_set_source_rgb(ctx, 0, 0, 0);
cairo_arc(ctx, BUTTON_CENTER /* x */, BUTTON_CENTER /* y */,
BUTTON_RADIUS /* radius */, highlight_start /* start */,
highlight_start + (M_PI / 128.0) /* end */);
cairo_stroke(ctx);
cairo_arc(
ctx, BUTTON_CENTER /* x */, BUTTON_CENTER /* y */,
BUTTON_RADIUS /* radius */,
highlight_start + (M_PI / 3.0) /* start */,
(highlight_start + (M_PI / 3.0)) + (M_PI / 128.0) /* end */);
cairo_stroke(ctx);
}
}
cairo_destroy(ctx);
}
/*
* Draws global image with fill color onto a pixmap with the given
* resolution and returns it.
*
*/
xcb_pixmap_t draw_image(uint32_t *resolution) {
xcb_pixmap_t bg_pixmap = XCB_NONE;
int button_diameter_physical = ceil(scaling_factor() * BUTTON_DIAMETER);
DEBUG("scaling_factor is %.f, physical diameter is %d px\n",
scaling_factor(), button_diameter_physical);
if (!vistype)
vistype = get_root_visual_type(screen);
bg_pixmap = create_bg_pixmap(conn, screen, resolution, color);
/* Initialize cairo: Create one in-memory surface to render the unlock
* indicator on, create one XCB surface to actually draw (one or more,
* depending on the amount of screens) unlock indicators on. */
cairo_surface_t *output = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, resolution[0], resolution[1]);
cairo_t *ctx = cairo_create(output);
cairo_surface_t *xcb_output = cairo_xcb_surface_create(conn, bg_pixmap, vistype, resolution[0], resolution[1]);
cairo_t *xcb_ctx = cairo_create(xcb_output);
if (img) {
if (!tile) {
cairo_set_source_surface(xcb_ctx, img, 0, 0);
cairo_paint(xcb_ctx);
} else {
/* create a pattern and fill a rectangle as big as the screen */
cairo_pattern_t *pattern;
pattern = cairo_pattern_create_for_surface(img);
cairo_set_source(xcb_ctx, pattern);
cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);
cairo_rectangle(xcb_ctx, 0, 0, resolution[0], resolution[1]);
cairo_fill(xcb_ctx);
cairo_pattern_destroy(pattern);
}
} else {
char strgroups[3][3] = {{color[0], color[1], '\0'},
{color[2], color[3], '\0'},
{color[4], color[5], '\0'}};
uint32_t rgb16[3] = {(strtol(strgroups[0], NULL, 16)),
(strtol(strgroups[1], NULL, 16)),
(strtol(strgroups[2], NULL, 16))};
cairo_set_source_rgb(xcb_ctx, rgb16[0] / 255.0, rgb16[1] / 255.0, rgb16[2] / 255.0);
cairo_rectangle(xcb_ctx, 0, 0, resolution[0], resolution[1]);
cairo_fill(xcb_ctx);
}
if (unlock_indicator) {
cairo_scale(ctx, scaling_factor(), scaling_factor());
cairo_set_source_rgb(ctx, 1, 1, 1);
cairo_set_font_size(ctx, 60.0);
cairo_select_font_face(ctx, "sans", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD);
if (pam_state == STATE_PAM_VERIFY) {
passwdlength = 0;
}
if (unlock_state == STATE_KEY_ACTIVE) {
passwdlength = passwdlength + 1;
} else if (unlock_state == STATE_BACKSPACE_ACTIVE && passwdlength > 0){
passwdlength = passwdlength - 1;
} else if (unlock_state == STATE_ESCAPE_ACTIVE) {
passwdlength = 0;
}
char passwd[passwdlength + 1];
for (int i = 0; i < passwdlength; ++i) {
passwd[i] = '*';
}
passwd[passwdlength] = '\0';
cairo_text_extents_t extents;
double x, y;
cairo_text_extents(ctx, passwd, &extents);
x = BUTTON_RADIUS - ((extents.width / 2) + extents.x_bearing);
y = BUTTON_RADIUS - ((extents.height / 2) + extents.y_bearing);
cairo_move_to(ctx, x, y);
/* cairo_show_text(ctx, passwd); */
cairo_text_path(ctx, passwd);
cairo_fill_preserve(ctx);
cairo_set_source_rgb(ctx, 0, 0, 0);
cairo_set_line_width(ctx, 1.0);
cairo_stroke(ctx);
cairo_close_path(ctx);
}
if (xr_screens > 0) {
/* Composite the unlock indicator in the middle of each screen. */
for (int screen = 0; screen < xr_screens; screen++) {
int x = (xr_resolutions[screen].x + ((xr_resolutions[screen].width / 2) - (button_diameter_physical / 2)));
int y = (xr_resolutions[screen].y + ((xr_resolutions[screen].height / 2) - (button_diameter_physical / 2)));
cairo_set_source_surface(xcb_ctx, output, x, y);
cairo_rectangle(xcb_ctx, x, y, button_diameter_physical, button_diameter_physical);
cairo_fill(xcb_ctx);
}
} else {
/* We have no information about the screen sizes/positions, so we just
* place the unlock indicator in the middle of the X root window and
* hope for the best. */
int x = (last_resolution[0] / 2) - (button_diameter_physical / 2);
int y = (last_resolution[1] / 2) - (button_diameter_physical / 2);
cairo_set_source_surface(xcb_ctx, output, x, y);
cairo_rectangle(xcb_ctx, x, y, button_diameter_physical, button_diameter_physical);
cairo_fill(xcb_ctx);
}
cairo_surface_destroy(xcb_output);
cairo_surface_destroy(output);
cairo_destroy(ctx);
cairo_destroy(xcb_ctx);
return bg_pixmap;
}