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Taskbar: thumbnails (cleanup)

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This commit is contained in:
o9000 2017-11-26 10:24:40 +01:00
parent 68c2ad7062
commit 467ea1332c
1 changed files with 2 additions and 75 deletions
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77
src/util/window.c
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@ -559,66 +559,6 @@ err0:
return result;
}
cairo_surface_t *get_window_thumbnail_cairo(Window win, int size)
{
static cairo_filter_t filter = CAIRO_FILTER_BEST;
XWindowAttributes wa;
if (!XGetWindowAttributes(server.display, win, &wa) || wa.width <= 0 || wa.height <= 0 ||
wa.map_state != IsViewable)
return NULL;
int w, h;
w = wa.width;
h = wa.height;
int tw, th;
double sx, sy;
double ox, oy;
tw = size;
th = h * tw / w;
if (th > tw * 0.618) {
th = (int)(tw * 0.618);
sy = th / (double)h;
double fw = w * th / h;
sx = fw / w;
ox = (tw - fw) / 2;
oy = 0;
} else {
sx = tw / (double)w;
sy = th / (double)h;
ox = oy = 0;
}
cairo_surface_t *x11_surface = cairo_xlib_surface_create(server.display, win, wa.visual, w, h);
cairo_surface_t *full_surface = cairo_surface_create_similar_image(x11_surface, CAIRO_FORMAT_ARGB32, w, h);
cairo_t *cr0 = cairo_create(full_surface);
cairo_set_source_surface(cr0, x11_surface, 0, 0);
cairo_paint(cr0);
cairo_destroy(cr0);
cairo_surface_t *image_surface = cairo_surface_create_similar_image(full_surface, CAIRO_FORMAT_ARGB32, tw, th);
double start_time = get_time();
cairo_t *cr = cairo_create(image_surface);
cairo_translate(cr, ox, oy);
cairo_scale(cr, sx, sy);
cairo_set_source_surface(cr, full_surface, 0, 0);
cairo_pattern_set_filter(cairo_get_source(cr), filter);
cairo_paint(cr);
cairo_destroy(cr);
cairo_surface_destroy(x11_surface);
if (filter == CAIRO_FILTER_FAST)
smooth_thumbnail(image_surface);
double end_time = get_time();
if (end_time - start_time > 0.020)
filter = CAIRO_FILTER_FAST;
else if (end_time - start_time < 0.010)
filter = CAIRO_FILTER_BEST;
return image_surface;
}
gboolean cairo_surface_is_blank(cairo_surface_t *image_surface)
{
uint32_t *pixels = (uint32_t *)cairo_image_surface_get_data(image_surface);
@ -634,7 +574,8 @@ gboolean cairo_surface_is_blank(cairo_surface_t *image_surface)
cairo_surface_t *get_window_thumbnail(Window win, int size)
{
cairo_surface_t *image_surface = NULL;
if (0 && server.has_shm && server.composite_manager) {
const gboolean shm_allowed = FALSE;
if (shm_allowed && server.has_shm && server.composite_manager) {
image_surface = get_window_thumbnail_ximage(win, (size_t)size, TRUE);
if (image_surface && cairo_surface_is_blank(image_surface)) {
cairo_surface_destroy(image_surface);
@ -662,20 +603,6 @@ cairo_surface_t *get_window_thumbnail(Window win, int size)
}
}
if (0 && !image_surface) {
image_surface = get_window_thumbnail_cairo(win, size);
if (image_surface && cairo_surface_is_blank(image_surface)) {
cairo_surface_destroy(image_surface);
image_surface = NULL;
}
if (debug_thumbnails) {
if (!image_surface)
fprintf(stderr, YELLOW "tint2: capturing window failed" RESET "\n");
else
fprintf(stderr, "tint2: captured window using cairo\n");
}
}
if (!image_surface)
return NULL;