70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
#include <Imlib2.h>
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Imlib_Image image;
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void
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render_lock_image(Display *dpy, struct lock *lock, Imlib_Image image)
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{
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if (image) {
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lock->bgmap = XCreatePixmap(dpy, lock->root, DisplayWidth(dpy, lock->screen), DisplayHeight(dpy, lock->screen), DefaultDepth(dpy, lock->screen));
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imlib_context_set_image(image);
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imlib_context_set_display(dpy);
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imlib_context_set_visual(DefaultVisual(dpy, lock->screen));
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imlib_context_set_colormap(DefaultColormap(dpy, lock->screen));
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imlib_context_set_drawable(lock->bgmap);
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imlib_render_image_on_drawable(0, 0);
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imlib_free_image();
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}
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}
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void
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create_lock_image(Display *dpy)
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{
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/* Create screenshot Image */
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Screen *scr = ScreenOfDisplay(dpy, DefaultScreen(dpy));
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image = imlib_create_image(scr->width,scr->height);
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imlib_context_set_image(image);
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imlib_context_set_display(dpy);
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imlib_context_set_visual(DefaultVisual(dpy,0));
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imlib_context_set_drawable(RootWindow(dpy,XScreenNumberOfScreen(scr)));
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imlib_copy_drawable_to_image(0,0,0,scr->width,scr->height,0,0,1);
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#ifdef BLUR
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/* Blur function */
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imlib_image_blur(blurRadius);
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#endif // BLUR
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#ifdef PIXELATION
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/* Pixelation */
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int width = scr->width;
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int height = scr->height;
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for (int y = 0; y < height; y += pixelSize) {
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for (int x = 0; x < width; x += pixelSize) {
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int red = 0;
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int green = 0;
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int blue = 0;
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Imlib_Color pixel;
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Imlib_Color* pp;
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pp = &pixel;
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for (int j = 0; j < pixelSize && j < height; j++) {
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for (int i = 0; i < pixelSize && i < width; i++) {
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imlib_image_query_pixel(x + i, y + j, pp);
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red += pixel.red;
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green += pixel.green;
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blue += pixel.blue;
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}
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}
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red /= (pixelSize * pixelSize);
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green /= (pixelSize * pixelSize);
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blue /= (pixelSize * pixelSize);
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imlib_context_set_color(red, green, blue, pixel.alpha);
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imlib_image_fill_rectangle(x, y, pixelSize, pixelSize);
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red = 0;
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green = 0;
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blue = 0;
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}
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}
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#endif
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} |