void MathOperatorProcess<View>::processImagePow( OfxRectI& procWindowOutput, const OfxRectI& procWindowRoW, const boost::gil::rgba32f_pixel_t& values, const boost::gil::rgba8_pixel_t& processChannel )
{
boost::gil::rgba32f_pixel_t wpix;
for( int y = procWindowOutput.y1;
y < procWindowOutput.y2;
++y )
{
typename View::x_iterator src_it = this->_srcView.x_at( procWindowOutput.x1, y );
typename View::x_iterator dst_it = this->_dstView.x_at( procWindowOutput.x1, y );
for( int x = procWindowOutput.x1;
x < procWindowOutput.x2;
++x, ++src_it, ++dst_it )
{
color_convert( *src_it, wpix );
if( processChannel[ 0 ] == 1.0 )
wpix[ 0 ] = std::pow( wpix[ 0 ], values[ 0 ] ) ;
if( processChannel[ 1 ] == 1.0 )
wpix[ 1 ] = std::pow( wpix[ 1 ], values[ 1 ] ) ;
if( processChannel[ 2 ] == 1.0 )
wpix[ 2 ] = std::pow( wpix[ 2 ], values[ 2 ] ) ;
if( processChannel[ 3 ] == 1.0 )
wpix[ 3 ] = std::pow( wpix[ 3 ], values[ 3 ] ) ;
color_convert( wpix, *dst_it );
}
if( this->progressForward() )
return;
}
}
/** Convert Dia color objects into GDK color objects.
* If the highlight color is set, that will be used instead. This allows
* rendering of an object to do highlight rendering.
* @param renderer The renderer to check for highlight color.
* @param col A color object to convert.
* @param gdk_col Resulting GDK convert.
*/
static void
renderer_color_convert(DiaGdkRenderer *renderer,
Color *col, GdkColor *gdk_col)
{
if (renderer->highlight_color != NULL) {
color_convert(renderer->highlight_color, gdk_col);
} else {
color_convert(col, gdk_col);
}
if (col->alpha != renderer->current_alpha) {
if (col->alpha == 1.0)
gdk_gc_set_fill(renderer->gc, GDK_SOLID);
else {
static gchar bits[9][4] = {
{ 0x00, 0x00, 0x00, 0x00 }, /* 0% */
{ 0x20, 0x02, 0x20, 0x02 },
{ 0x22, 0x88, 0x22, 0x88 }, /* 25% */
{ 0x4A, 0xA4, 0x4A, 0xA4 },
{ 0x5A, 0xA5, 0x5A, 0xA5 }, /* 50% */
{ 0x57, 0xBA, 0x57, 0xBA },
{ 0xBE, 0xEB, 0xBE, 0xEB }, /* 75% */
{ 0xEF, 0xFE, 0xEF, 0xFE },
{ 0xFF, 0xFF, 0xFF, 0xFF }, /* 100% */
};
GdkBitmap *stipple = gdk_bitmap_create_from_data (NULL, bits[(int)(9*col->alpha+.49)], 4, 4);
gdk_gc_set_stipple (renderer->gc, stipple);
g_object_unref (stipple);
gdk_gc_set_fill(renderer->gc, GDK_STIPPLED);
}
renderer->current_alpha = col->alpha;
}
}
void
color_init(void)
{
GdkVisual *visual = gtk_widget_get_default_visual();
GdkColormap *colormap = gtk_widget_get_default_colormap();
color_context = gdk_color_context_new(visual, colormap);
color_convert(&color_black, &color_gdk_black);
color_convert(&color_white, &color_gdk_white);
}
/** Convert Dia color objects into GDK color objects.
* If the highlight color is set, that will be used instead. This allows
* rendering of an object to do highlight rendering.
* @param renderer The renderer to check for highlight color.
* @param col A color object to convert.
* @param gdk_col Resulting GDK convert.
*/
static void
renderer_color_convert(DiaGdkRenderer *renderer,
Color *col, GdkColor *gdk_col)
{
if (renderer->highlight_color != NULL) {
color_convert(renderer->highlight_color, gdk_col);
} else {
color_convert(col, gdk_col);
}
}
/** Initialize color access (gdk) and set up default colors.
*/
void
color_init(void)
{
if (!_color_initialized) {
GdkVisual *visual = gtk_widget_get_default_visual();
colormap = gdk_colormap_new (visual, FALSE);
_color_initialized = TRUE;
color_convert(&color_black, &color_gdk_black);
color_convert(&color_white, &color_gdk_white);
}
}
void wolf3d_player_draw(t_env *env)
{
int i;
int j;
j = 0;
while (j < PLAYER_SIZE)
{
i = -1;
while (++i < PLAYER_SIZE)
{
img_putline(env,
(t_2d_pnt){env->player.pos.x + i, env->player.pos.y + j},
(t_2d_pnt){env->player.pos.x + env->player.view_dir.x + i,
env->player.pos.y + env->player.view_dir.y + j},
color_convert(color_get(255, 0, 255, 0)));
img_putpixel(env,
env->player.pos.x + i,
env->player.pos.y + j,
0xffffff);
img_putpixel(env,
(env->player.pos.x + env->player.view_dir.x) + i,
(env->player.pos.y + env->player.view_dir.y) + j,
0xff00ff);
}
++j;
}
}
Pixel operator()(const point_t& p) const
{
double x = scale * p.x - 0.5;
double y = scale * p.y - 0.5;
if(std::abs(x) > 0.5 || std::abs(y) > 0.5)
{
Pixel pixel;
numeric::pixel_zeros_t<Pixel>()(pixel);
return pixel;
}
size_t cubeStep = sqrt((float)step);
Pixel pixel;
float red = 0.0;
float green = 0.0;
float blue = 0.0;
float xStep = floor(scale * p.x * cubeStep);
float yStep = floor(scale * p.y * cubeStep);
red = floor(scale * p.x * step * cubeStep) / (step - 1) - xStep - xStep * 1 / (step - 1);
green = floor(scale * p.y * step * cubeStep) / (step - 1) - yStep - yStep * 1 / (step - 1);
blue = xStep / (step - 1) + cubeStep * yStep / (step - 1);
color_convert(rgba32f_pixel_t(red, green, blue, 1), pixel);
return pixel;
}
static void
draw_pixel_line(DiaRenderer *object,
int x1, int y1,
int x2, int y2,
Color *color)
{
DiaGdkRenderer *renderer = DIA_GDK_RENDERER (object);
GdkGC *gc = renderer->gc;
GdkColor gdkcolor;
int target_width, target_height;
dia_gdk_renderer_set_dashes(renderer, x1+y1);
gdk_drawable_get_size (GDK_DRAWABLE (renderer->pixmap), &target_width, &target_height);
if ( (x1 < 0 && x2 < 0)
|| (y1 < 0 && y2 < 0)
|| (x1 > target_width && x2 > target_width)
|| (y1 > target_height && y2 > target_height))
return; /* clip early rather than failing in Gdk */
color_convert(color, &gdkcolor);
gdk_gc_set_foreground(gc, &gdkcolor);
/* reset stippling (alpha emulation) */
gdk_gc_set_fill(gc, GDK_SOLID);
renderer->current_alpha = 1.0;
gdk_draw_line(renderer->pixmap, gc, x1, y1, x2, y2);
}
static void
fill_pixel_rect(DiaRenderer *object,
int x, int y,
int width, int height,
Color *color)
{
#if 1 /* if we do it with cairo there is something wrong with the clipping? */
DiaCairoInteractiveRenderer *renderer = DIA_CAIRO_INTERACTIVE_RENDERER (object);
GdkGC *gc = renderer->gc;
GdkColor gdkcolor;
color_convert(color, &gdkcolor);
gdk_gc_set_foreground(gc, &gdkcolor);
gdk_draw_rectangle (renderer->pixmap, gc, TRUE,
x, y, width, height);
#else
DiaCairoRenderer *renderer = DIA_CAIRO_RENDERER (object);
double x1u = x + .5, y1u = y + .5, x2u = x + width + .5, y2u = y + height + .5;
double lw[2];
lw[0] = 1; lw[1] = 0;
cairo_device_to_user_distance (renderer->cr, &lw[0], &lw[1]);
cairo_set_line_width (renderer->cr, lw[0]);
cairo_device_to_user (renderer->cr, &x1u, &y1u);
cairo_device_to_user (renderer->cr, &x2u, &y2u);
cairo_set_source_rgba (renderer->cr, color->red, color->green, color->blue, 1.0);
cairo_rectangle (renderer->cr, x1u, y1u, x2u - x1u, y2u - y1u);
cairo_fill (renderer->cr);
#endif
}
/**
* display the hue indicator (openGL)
* @param size size of the source clip
* @param precisionHueIndicator number of step of the indicator
*/
void displayHueIndicator(const OfxPointI size, int precisionHueIndicator)
{
static const float length = 360.0;
const double heightIndicator = size.y*0.07;
const double width = size.x;
glPushMatrix();
glTranslated(0.0f,-20.0f,0.0f);
glBegin( GL_QUAD_STRIP);
const float ratio = length / (float)(kPrecisionHueIndicator-1.0);
float hue = 0.0f;
for( std::ssize_t i = 0; i < precisionHueIndicator; ++i )
{
boost::gil::hsv32f_pixel_t hsl_pix; //declare a HSL pixel
boost::gil::rgb32f_pixel_t pix(0,0,0); //declare a RGB pixel (don't need alpha)
hsl_pix[0] = (float)(hue/length); //fill up HSL pixel
hsl_pix[1] = (float)(1.0);
hsl_pix[2] = (float)(1.0);
color_convert(hsl_pix, pix); //convert HSL=>RGB for OpenGl
glColor3f(pix[0],pix[1],pix[2]); //generate openGL color
glVertex2f(hue*(width/length),-0.0f);
glVertex2f(hue*(width/length),(float)(-heightIndicator)); //draw quad
hue+=ratio;
}
glEnd();
glPopMatrix();
}
static void
fill_pixel_rect(DiaRenderer *object,
int x, int y,
int width, int height,
Color *color)
{
DiaGdkRenderer *renderer = DIA_GDK_RENDERER (object);
GdkGC *gc = renderer->gc;
GdkColor gdkcolor;
int target_width, target_height;
gdk_drawable_get_size (GDK_DRAWABLE (renderer->pixmap), &target_width, &target_height);
if (x + width < 0 || y + height < 0 || x > target_width || y > target_height)
return; /* clip early rather than failing in Gdk */
color_convert(color, &gdkcolor);
gdk_gc_set_foreground(gc, &gdkcolor);
/* reset stippling (alpha emulation) */
gdk_gc_set_fill(gc, GDK_SOLID);
renderer->current_alpha = 1.0;
gdk_draw_rectangle (renderer->pixmap, gc, TRUE,
x, y, width, height);
}
// Models MappingFunctionConcept
void resample_pixels_progress( const SrcView& src_view, const DstView& dst_view, const MapFn& dst_to_src, const OfxRectI& procWindow, tuttle::plugin::IProgress* p, Sampler sampler = Sampler() )
{
typename DstView::point_t dst_p;
typename DstView::value_type black;
color_convert( boost::gil::rgba32f_pixel_t( 0.0, 0.0, 0.0, 0.0 ), black );
for( dst_p.y = procWindow.y1; dst_p.y < procWindow.y2; ++dst_p.y )
{
typename DstView::x_iterator xit = dst_view.row_begin( dst_p.y );
for( dst_p.x = procWindow.x1; dst_p.x < procWindow.x2; ++dst_p.x )
{
if( !boost::gil::sample( sampler, src_view, transform( dst_to_src, dst_p ), xit[dst_p.x] ) )
{
xit[dst_p.x] = black; // if it is outside of the source image
}
}
if( p->progressForward() )
return;
}
}
bool sample(bilinear_sampler, const SrcView& src, const point2<F>& p, DstP& result) {
typedef typename SrcView::value_type SrcP;
///modif
point2<std::ptrdiff_t> p0(ifloor(p)); // the closest integer coordinate top left from p
point2<F> frac(p.x-p0.x, p.y-p0.y);
if (p0.x < 0 || p0.y < 0 || p0.x>=src.width() || p0.y>=src.height()) return false;
pixel<F,devicen_layout_t<num_channels<SrcView>::value> > mp(0); // suboptimal
typename SrcView::xy_locator loc=src.xy_at(p0.x,p0.y);
if (p0.x+1<src.width()) {
if (p0.y+1<src.height()) {
// most common case - inside the image, not on the last row or column
detail::add_dst_mul_src<SrcP,F,pixel<F,devicen_layout_t<num_channels<SrcView>::value> > >()(*loc, (1-frac.x)*(1-frac.y),mp);
detail::add_dst_mul_src<SrcP,F,pixel<F,devicen_layout_t<num_channels<SrcView>::value> > >()(loc.x()[1], frac.x *(1-frac.y),mp);
++loc.y();
detail::add_dst_mul_src<SrcP,F,pixel<F,devicen_layout_t<num_channels<SrcView>::value> > >()(*loc, (1-frac.x)* frac.y ,mp);
detail::add_dst_mul_src<SrcP,F,pixel<F,devicen_layout_t<num_channels<SrcView>::value> > >()(loc.x()[1], frac.x * frac.y ,mp);
} else {
// on the last row, but not the bottom-right corner pixel
detail::add_dst_mul_src<SrcP,F,pixel<F,devicen_layout_t<num_channels<SrcView>::value> > >()(*loc, (1-frac.x),mp);
detail::add_dst_mul_src<SrcP,F,pixel<F,devicen_layout_t<num_channels<SrcView>::value> > >()(loc.x()[1], frac.x ,mp);
}
} else {
if (p0.y+1<src.height()) {
// on the last column, but not the bottom-right corner pixel
detail::add_dst_mul_src<SrcP,F,pixel<F,devicen_layout_t<num_channels<SrcView>::value> > >()(*loc, (1-frac.y),mp);
++loc.y();
detail::add_dst_mul_src<SrcP,F,pixel<F,devicen_layout_t<num_channels<SrcView>::value> > >()(*loc, frac.y ,mp);
} else {
// the bottom-right corner pixel
detail::add_dst_mul_src<SrcP,F,pixel<F,devicen_layout_t<num_channels<SrcView>::value> > >()(*loc,1,mp);
}
}
// Convert from floating point average value to the source type
SrcP src_result;
cast_pixel(mp,src_result);
color_convert(src_result, result);
return true;
}
static void
draw_pixel_rect(DiaRenderer *object,
int x, int y,
int width, int height,
Color *color)
{
DiaGdkRenderer *renderer = DIA_GDK_RENDERER (object);
GdkGC *gc = renderer->gc;
GdkColor gdkcolor;
int target_width, target_height;
dia_gdk_renderer_set_dashes(renderer, x+y);
gdk_drawable_get_size (GDK_DRAWABLE (renderer->pixmap), &target_width, &target_height);
if (x + width < 0 || y + height < 0 || x > target_width || y > target_height)
return; /* clip early rather than failing in Gdk */
color_convert(color, &gdkcolor);
gdk_gc_set_foreground(gc, &gdkcolor);
gdk_draw_rectangle (renderer->pixmap, gc, FALSE,
x, y, width, height);
}
static gboolean
export_data(DiagramData *data, DiaContext *ctx,
const gchar *filename, const gchar *diafilename,
void* user_data)
{
DiaCairoRenderer *renderer;
GdkColor color;
int width, height;
GdkPixbuf* pixbuf = NULL;
GError* error = NULL;
Rectangle rect;
real zoom = 1.0;
cairo_t *cctx;
const char* format = (const char*)user_data;
rect.left = data->extents.left;
rect.top = data->extents.top;
rect.right = data->extents.right;
rect.bottom = data->extents.bottom;
/* quite arbitrary */
zoom = 20.0 * data->paper.scaling;
/* Adding a bit of padding to account for rounding errors. Better to
* pad than to clip. See bug #413275 */
width = ceil((rect.right - rect.left) * zoom) + 1;
height = ceil((rect.bottom - rect.top) * zoom) + 1;
renderer = g_object_new (dia_cairo_renderer_get_type(), NULL);
renderer->scale = zoom;
renderer->surface = cairo_surface_reference (cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
width, height));
cctx = cairo_create (renderer->surface);
/* draw background */
color_convert (&data->bg_color, &color);
gdk_cairo_set_source_color (cctx, &color);
cairo_rectangle (cctx, 0, 0, width, height);
cairo_fill (cctx);
data_render (data, DIA_RENDERER (renderer), NULL, NULL, NULL);
#if GTK_CHECK_VERSION(3,0,0)
pixbuf = gdk_pixbuf_get_from_surface (renderer->surface, 0, 0,
width, height);
#else
{
GdkPixmap *pixmap;
cairo_t *cr;
pixmap = gdk_pixmap_new (NULL, width, height, 24);
cr = gdk_cairo_create (pixmap);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source_surface (cr, renderer->surface, 0, 0);
cairo_paint (cr);
pixbuf = gdk_pixbuf_get_from_drawable (NULL,
pixmap,
gdk_colormap_get_system (),
0, 0, 0, 0, width, height);
}
#endif
if (pixbuf)
{
gdk_pixbuf_save (pixbuf, filename, format, &error, NULL);
g_object_unref (pixbuf);
}
else
{
dia_context_add_message(ctx, _("Failed to create pixbuf from drawable."));
}
if (error)
{
dia_context_add_message(ctx, _("Could not save file:\n%s\n%s"),
dia_context_get_filename(ctx),
error->message);
g_error_free (error);
}
g_object_unref (renderer);
return TRUE;
}
static void
color_area_draw ()
{
Color col;
GdkColor *win_bg;
GdkColor fg, bg, bd;
gint rect_w, rect_h;
gint width, height;
gint def_width, def_height;
gint swap_width, swap_height;
GdkColor mask_pattern;
/* Check we haven't gotten initial expose yet,
* no point in drawing anything
*/
if (!color_area_pixmap || !color_area_gc)
return;
gdk_drawable_get_size (color_area_pixmap, &width, &height);
win_bg = &(color_area->style->bg[GTK_STATE_NORMAL]);
col = attributes_get_foreground();
color_convert(&col, &fg);
col = attributes_get_background();
color_convert(&col, &bg);
bd = color_gdk_black;
rect_w = width * 0.65;
rect_h = height * 0.65;
/* initialize the mask to transparent */
mask_pattern.pixel = 0;
gdk_gc_set_foreground (mask_gc, &mask_pattern);
gdk_draw_rectangle (color_area_mask, mask_gc, TRUE, 0, 0, -1, -1);
/* set the mask's gc to opaque */
mask_pattern.pixel = 1;
gdk_gc_set_foreground (mask_gc, &mask_pattern);
gdk_gc_set_foreground (color_area_gc, win_bg);
gdk_draw_rectangle (color_area_pixmap, color_area_gc, 1,
0, 0, width, height);
gdk_gc_set_foreground (color_area_gc, &bg);
gdk_draw_rectangle (color_area_pixmap, color_area_gc, 1,
(width - rect_w), (height - rect_h), rect_w, rect_h);
gdk_draw_rectangle (color_area_mask, mask_gc, TRUE,
(width - rect_w), (height - rect_h), rect_w, rect_h);
if (active_color == FOREGROUND)
gtk_paint_shadow (color_area->style, color_area_pixmap, GTK_STATE_NORMAL,
GTK_SHADOW_OUT,
NULL, color_area, NULL,
(width - rect_w), (height - rect_h),
rect_w, rect_h);
else
gtk_paint_shadow (color_area->style, color_area_pixmap, GTK_STATE_NORMAL,
GTK_SHADOW_IN,
NULL, color_area, NULL,
(width - rect_w), (height - rect_h),
rect_w, rect_h);
gdk_gc_set_foreground (color_area_gc, &fg);
gdk_draw_rectangle (color_area_pixmap, color_area_gc, 1,
0, 0, rect_w, rect_h);
gdk_draw_rectangle (color_area_mask, mask_gc, TRUE,
0, 0, rect_w, rect_h);
if (active_color == FOREGROUND)
gtk_paint_shadow (color_area->style, color_area_pixmap, GTK_STATE_NORMAL,
GTK_SHADOW_IN,
NULL, color_area, NULL,
0, 0,
rect_w, rect_h);
else
gtk_paint_shadow (color_area->style, color_area_pixmap, GTK_STATE_NORMAL,
GTK_SHADOW_OUT,
NULL, color_area, NULL,
0, 0,
rect_w, rect_h);
/* draw the default pixmap */
gdk_drawable_get_size (default_pixmap, &def_width, &def_height);
gdk_draw_drawable (color_area_pixmap, color_area_gc, default_pixmap,
0, 0, 0, height - def_height, def_width, def_height);
gdk_draw_drawable (color_area_mask, mask_gc, default_mask,
0, 0, 0, height - def_height, def_width, def_height);
/* draw the swap pixmap */
gdk_drawable_get_size (swap_pixmap, &swap_width, &swap_height);
gdk_draw_drawable (color_area_pixmap, color_area_gc, swap_pixmap,
0, 0, width - swap_width, 0, swap_width, swap_height);
gdk_draw_drawable (color_area_mask, mask_gc, swap_mask,
0, 0, width - swap_width, 0, swap_width, swap_height);
/* draw the widget */
gdk_gc_set_clip_mask (color_area_gc, color_area_mask);
gdk_gc_set_clip_origin (color_area_gc, 0, 0);
gdk_draw_drawable (color_area->window, color_area_gc, color_area_pixmap,
0, 0, 0, 0, width, height);
/* reset the clip mask */
gdk_gc_set_clip_mask (color_area_gc, NULL);
}
void constraints()
{
gil_function_requires<PixelConcept<SrcP>>();
gil_function_requires<MutablePixelConcept<DstP>>();
color_convert(src, dst);
}