jyapayne/Sunshine
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Properly incorperate Alpha in the color of the cursor

Browse source
This commit is contained in:
loki 2019-12-14 16:25:11 +01:00
commit 072fc00aca
1 changed files with 11 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

13
sunshine/platform/linux.cpp
View file

@ -141,8 +141,17 @@ img_t snapshot(display_t &display_void) {
std::for_each(overlay_begin, overlay_end, [&](long pixel) { std::for_each(overlay_begin, overlay_end, [&](long pixel) {
int *pixel_p = (int*)&pixel; int *pixel_p = (int*)&pixel;
if(pixel_p[0] != 0) { auto colors_in = (uint8_t*)pixels_begin;
*pixels_begin = pixel_p[0];
auto alpha = (*(uint*)pixel_p) >> 24u;
if(alpha == 255) {
*pixels_begin = *pixel_p;
}
else {
auto colors_out = (uint8_t*)pixel_p;
colors_in[0] = colors_out[0] + (colors_in[0] * (255 - alpha) + 255/2) / 255;
colors_in[1] = colors_out[1] + (colors_in[1] * (255 - alpha) + 255/2) / 255;
colors_in[2] = colors_out[2] + (colors_in[2] * (255 - alpha) + 255/2) / 255;
} }
++pixels_begin; ++pixels_begin;
}); });