git_clone/thorvg
1
0
Fork 0
mirror of https://github.com/thorvg/thorvg.git synced 2025-06-08 05:33:36 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 5

sw_engine - ++safety

Browse source 
Prevent any potential crash.

@Issues: https://github.com/thorvg/thorvg/issues/1327
This commit is contained in:
Hermet Park 2023-03-14 23:39:48 +09:00
parent 4c2688fcd4
commit bf07eb11f2
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
src/lib/sw_engine/tvgSwRasterTexmap.h
View file

@ -548,7 +548,7 @@ static bool _apply(SwSurface* surface, AASpans* aaSpans)
static bool _rasterTexmapPolygon(SwSurface* surface, const SwImage* image, const Matrix* transform, const SwBBox* region, uint32_t opacity, uint32_t (*blendMethod)(uint32_t))
{
//Exceptions: No dedicated drawing area?
if (!region && image->rle->size == 0) return false;
if (!image->rle || (!region && image->rle->size == 0)) return false;
/* Prepare vertices.
shift XY coordinates to match the sub-pixeling technique. */
@ -605,7 +605,7 @@ static bool _rasterTexmapPolygon(SwSurface* surface, const SwImage* image, const
static bool _rasterTexmapPolygonMesh(SwSurface* surface, const SwImage* image, const Polygon* triangles, const uint32_t triangleCount, const Matrix* transform, const SwBBox* region, uint32_t opacity, uint32_t (*blendMethod)(uint32_t))
{
//Exceptions: No dedicated drawing area?
if (!region && image->rle->size == 0) return false;
if (!image->rle || (!region && image->rle->size == 0)) return false;
// Step polygons once to transform
auto transformedTris = (Polygon*)malloc(sizeof(Polygon) * triangleCount);