git_clone/thorvg
1
0
Fork 0
mirror of https://github.com/thorvg/thorvg.git synced 2025-07-04 13:45:17 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 5

sw_engine: ++clean code
Some checks are pending
Android / build_x86_64 (push) Waiting to run
Details
Android / build_aarch64 (push) Waiting to run
Details
iOS / build_x86_64 (push) Waiting to run
Details
iOS / build_arm64 (push) Waiting to run
Details
macOS / build (push) Waiting to run
Details
macOS / compact_test (push) Waiting to run
Details
macOS / unit_test (push) Waiting to run
Details
Ubuntu / build (push) Waiting to run
Details
Ubuntu / compact_test (push) Waiting to run
Details
Ubuntu / unit_test (push) Waiting to run
Details
Windows / build (push) Waiting to run
Details
Windows / compact_test (push) Waiting to run
Details
Windows / unit_test (push) Waiting to run
Details

Browse source
This commit is contained in:
Hermet Park 2025-07-02 16:30:14 +09:00
parent 40d75c6276
commit 5e17fe0034
1 changed files with 5 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
src/renderer/sw_engine/tvgSwRaster.cpp
View file

@ -1531,15 +1531,12 @@ bool rasterClear(SwSurface* surface, uint32_t x, uint32_t y, uint32_t w, uint32_
uint32_t rasterUnpremultiply(uint32_t data) uint32_t rasterUnpremultiply(uint32_t data)
{ {
uint8_t a = data >> 24; auto a = A(data);
if (a == 255 || a == 0) return data; if (a == 255 || a == 0) return data;
uint16_t r = ((data >> 8) & 0xff00) / a; auto r = C1(data) * 255 / a;
uint16_t g = ((data) & 0xff00) / a; auto g = C2(data) * 255 / a;
uint16_t b = ((data << 8) & 0xff00) / a; auto b = C3(data) * 255 / a;
if (r > 0xff) r = 0xff; return JOIN(a, r, g, b);
if (g > 0xff) g = 0xff;
if (b > 0xff) b = 0xff;
return (a << 24) | (r << 16) | (g << 8) | (b);
} }