static void gtk_plot_gdk_draw_pixmap (GtkPlotPC *pc,
GdkPixmap *pixmap,
GdkBitmap *mask,
gint xsrc, gint ysrc,
gint xdest, gint ydest,
gint width,
gint height,
gdouble scale_x,
gdouble scale_y)
{
GdkGC *gc;
GdkPixmap *new_pixmap;
GdkBitmap *new_mask = NULL;
if(!GTK_PLOT_GDK(pc)->drawable) return;
if(!GTK_PLOT_GDK(pc)->window) return;
if(!GTK_PLOT_GDK(pc)->gc) return;
gc = GTK_PLOT_GDK(pc)->gc;
if(!gc) return;
new_pixmap = scale_pixmap(GTK_PLOT_GDK(pc)->window, pixmap, scale_x, scale_y);
if(mask)
new_mask = scale_bitmap(GTK_PLOT_GDK(pc)->window, mask, scale_x, scale_y);
gtk_plot_pc_clip_mask(pc, xdest, ydest, new_mask);
gdk_draw_pixmap(GTK_PLOT_GDK(pc)->drawable, gc, new_pixmap,
xsrc, ysrc, xdest, ydest, width*scale_x, height*scale_y);
gtk_plot_pc_clip_mask(pc, xdest, ydest, NULL);
if(new_mask) gdk_bitmap_unref(new_mask);
gdk_pixmap_unref(new_pixmap);
}
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");
}