static VALUE
rg_query_color(VALUE self, VALUE pixel)
{
GdkColor color;
gdk_colormap_query_color(_SELF(self), NUM2ULONG(pixel), &color);
return GDKCOLOR2RVAL(&color);
}
static void
psdrawpixmap (GtkPlotPC *pc,
GdkPixmap *pixmap,
GdkBitmap *mask,
gint xsrc, gint ysrc,
gint xdest, gint ydest,
gint width, gint height,
gdouble scale_x, gdouble scale_y)
{
FILE *psout = GTK_PLOT_PS(pc)->psfile;
GdkColormap *colormap;
colormap = gdk_colormap_get_system ();
fprintf(psout, "gsave\n");
if(pixmap){
GdkImage *image;
gint x, y;
image = gdk_image_get(pixmap,
xsrc, ysrc,
width, height);
if(mask) gtk_plot_pc_clip_mask(pc, xdest, ydest, mask);
fprintf(psout, "%d %g translate\n", xdest, ydest + height * scale_y);
fprintf(psout, "%g %g scale\n",width * scale_x, height * scale_y);
fprintf(psout, "%d %d 8 [%d 0 0 %d 0 %d]\n",width, height, width, height, height);
fprintf(psout, "/scanline %d 3 mul string def\n", width);
fprintf(psout, "{ currentfile scanline readhexstring pop } false 3\n");
fprintf(psout, "colorimage\n");
for(y = 0; y < height; y++){
for(x = 0; x < width; x++){
GdkColor color;
gchar string[7];
color.pixel = gdk_image_get_pixel(image, x, y);
gdk_colormap_query_color(colormap, color.pixel, &color);
color_to_hex(color, string);
fprintf(psout,"%s",string);
if(fmod(x + 1, 13) == 0) fprintf(psout, "\n");
}
fprintf(psout,"\n");
}
gdk_image_destroy(image);
if(mask) gtk_plot_pc_clip_mask(pc, xdest, ydest, NULL);
}
fprintf(psout, "grestore\n");
}
GdkColor
query_color (GtkWidget * win, GdkColor c)
{
GdkColor real_color;
GdkColormap *cmap;
cmap = gtk_widget_get_colormap (GTK_WIDGET (win));
if (cmap && GDK_IS_COLORMAP (cmap))
{
gdk_colormap_query_color (cmap, c.pixel, &real_color);
return real_color;
}
else
{
return c;
}
}
static void cl_draw_corner (GdkWindow *window, GtkWidget *widget, GtkStyle *style,
int x, int y, int width, int height,
CLRectangle *r, CLCornerSide corner)
{
GdkColor *color;
GdkColor aacolor; /* anti-aliasing color */
GdkGCValues values;
GdkColor tmp;
GdkColor *bgcolor;
int x1;
int y1;
if (r->corners[corner] == CL_CORNER_NONE)
return;
color = cl_get_gradient_corner_color (r, corner);
gdk_gc_get_values (r->bordergc, &values);
if (color == NULL)
{
tmp = values.foreground;
gdk_colormap_query_color (gtk_widget_get_colormap(widget), values.foreground.pixel, &tmp);
color = &tmp;
}
bgcolor = get_parent_bgcolor(widget);
if (bgcolor == NULL)
{
bgcolor = color;
}
blend (style->colormap, bgcolor, color, &aacolor, 70);
if (r->corners[corner] == CL_CORNER_ROUND)
{
x1 = (corner == CL_CORNER_TOPLEFT ||
corner == CL_CORNER_BOTTOMLEFT) ? x+1 : x+width - 2;
y1 = (corner == CL_CORNER_TOPLEFT ||
corner == CL_CORNER_TOPRIGHT) ? y+1 : y+height - 2;
gdk_gc_set_foreground (r->bordergc, color);
gdk_draw_point (window, r->bordergc, x1, y1);
gdk_gc_set_foreground (r->bordergc, &aacolor);
x1 = (corner == CL_CORNER_TOPLEFT ||
corner == CL_CORNER_BOTTOMLEFT) ? x+1 : x+width-2;
y1 = (corner == CL_CORNER_TOPLEFT ||
corner == CL_CORNER_TOPRIGHT) ? y : y+height-1;
gdk_draw_point (window, r->bordergc, x1, y1);
x1 = (corner == CL_CORNER_TOPLEFT ||
corner == CL_CORNER_BOTTOMLEFT) ? x : x+width-1;
y1 = (corner == CL_CORNER_TOPLEFT ||
corner == CL_CORNER_TOPRIGHT) ? y+1 : y+height-2;
gdk_draw_point (window, r->bordergc, x1, y1);
}
else if (r->corners[corner] == CL_CORNER_NARROW)
{
x1 = (corner == CL_CORNER_TOPLEFT ||
corner == CL_CORNER_BOTTOMLEFT) ? x : x+width-1;
y1 = (corner == CL_CORNER_TOPLEFT ||
corner == CL_CORNER_TOPRIGHT) ? y : y+height-1;
gdk_gc_set_foreground (r->bordergc, &aacolor);
gdk_draw_point (window, r->bordergc, x1, y1);
}
gdk_gc_set_foreground (r->bordergc, &values.foreground);
}
void vik_gc_get_fg_color ( GdkGC *gc, GdkColor *dest )
{
static GdkGCValues values;
gdk_gc_get_values ( gc, &values );
gdk_colormap_query_color ( gdk_colormap_get_system(), values.foreground.pixel, dest );
}
