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mirror of https://github.com/Llewellynvdm/conky.git synced 2024-09-29 05:29:11 +00:00

Fix clipping, enable alpha for imlib2.

This commit is contained in:
Brenden Matthews 2009-05-24 16:52:48 -06:00
parent 4ec728fa42
commit 4a08fab0e6
2 changed files with 15 additions and 9 deletions

View File

@ -6738,7 +6738,7 @@ static void main_loop(void)
}
#endif
#ifdef IMLIB2
cimlib_render(text_start_x + border_margin, text_start_y + border_margin, window.width, window.height);
cimlib_render(text_start_x, text_start_y, window.width, window.height);
#endif /* IMLIB2 */
draw_stuff();
XDestroyRegion(x11_stuff.region);

View File

@ -113,13 +113,15 @@ void cimlib_add_image(const char *args)
}
}
static void cimlib_draw_image(struct image_list_s *cur, int *clip_x, int *clip_y, int *clip_w, int *clip_h)
static void cimlib_draw_image(struct image_list_s *cur, int *clip_x, int *clip_y, int *clip_x2, int *clip_y2)
{
image = imlib_load_image(cur->name);
if (image) {
int w, h;
DBGP("Drawing image '%s' at (%i,%i) scaled to %ix%i", cur->name, cur->x, cur->y, cur->w, cur->h);
imlib_context_set_image(image);
/* turn alpha channel on */
imlib_image_set_has_alpha(1);
w = imlib_image_get_width();
h = imlib_image_get_height();
if (!cur->wh_set) {
@ -133,18 +135,18 @@ static void cimlib_draw_image(struct image_list_s *cur, int *clip_x, int *clip_y
imlib_free_image();
if (cur->x < *clip_x) *clip_x = cur->x;
if (cur->y < *clip_y) *clip_y = cur->y;
if (cur->w > *clip_w) *clip_w = cur->w;
if (cur->h > *clip_h) *clip_h = cur->h;
if (cur->x + cur->w > *clip_x2) *clip_x2 = cur->x + cur->w;
if (cur->y + cur->h > *clip_y2) *clip_y2 = cur->y + cur->h;
} else {
ERR("Unable to load image '%s'", cur->name);
}
}
static void cimlib_draw_all(int *clip_x, int *clip_y, int *clip_w, int *clip_h)
static void cimlib_draw_all(int *clip_x, int *clip_y, int *clip_x2, int *clip_y2)
{
struct image_list_s *cur = image_list_start;
while (cur) {
cimlib_draw_image(cur, clip_x, clip_y, clip_w, clip_h);
cimlib_draw_image(cur, clip_x, clip_y, clip_x2, clip_y2);
cur = cur->next;
}
}
@ -152,7 +154,7 @@ static void cimlib_draw_all(int *clip_x, int *clip_y, int *clip_w, int *clip_h)
void cimlib_render(int x, int y, int width, int height)
{
int clip_x = INT_MAX, clip_y = INT_MAX;
int clip_w = 0, clip_h = 0;
int clip_x2 = 0, clip_y2 = 0;
if (!image_list_start) return; /* are we actually drawing anything? */
/* take all the little rectangles to redraw and merge them into
@ -163,8 +165,10 @@ void cimlib_render(int x, int y, int width, int height)
imlib_image_clear();
/* we can blend stuff now */
imlib_context_set_blend(1);
/* turn alpha channel on */
imlib_image_set_has_alpha(1);
cimlib_draw_all(&clip_x, &clip_y, &clip_w, &clip_h);
cimlib_draw_all(&clip_x, &clip_y, &clip_x2, &clip_y2);
/* set the buffer image as our current image */
imlib_context_set_image(buffer);
@ -174,7 +178,9 @@ void cimlib_render(int x, int y, int width, int height)
if (clip_y == INT_MAX) clip_y = 0;
/* render the image at 0, 0 */
imlib_render_image_part_on_drawable_at_size(clip_x, clip_y, clip_w, clip_h, x, y, clip_w, clip_h);
imlib_render_image_part_on_drawable_at_size(clip_x, clip_y, clip_x2 - clip_x,
clip_y2 - clip_y, x + clip_x, y + clip_y, clip_x2 - clip_x,
clip_y2 - clip_y);
/* don't need that temporary buffer image anymore */
imlib_free_image();
}