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proposed fix: set curr_src.h is to bottom_height before drawing bottom edges / corners in SDL_RenderTexture9Grid, to avoid issue where inadvertently using top height if the npatch existed on a larger texture than the drawn edge would cause too many pixels to be included in the bottom part of the render.

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2025-01-29 01:13:35 -05:00
committed by Sam Lantinga
parent 235022fe2f
commit c922762791
1 changed files with 2 additions and 0 deletions
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src/render/SDL_render.c
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@@ -4426,6 +4426,7 @@ bool SDL_RenderTexture9Grid(SDL_Renderer *renderer, SDL_Texture *texture, const
// Lower-right corner
curr_src.y = srcrect->y + srcrect->h - bottom_height;
curr_src.h = bottom_height;
curr_dst.y = dstrect->y + dstrect->h - dst_bottom_height;
curr_dst.h = dst_bottom_height;
if (!SDL_RenderTexture(renderer, texture, &curr_src, &curr_dst)) {
@@ -4474,6 +4475,7 @@ bool SDL_RenderTexture9Grid(SDL_Renderer *renderer, SDL_Texture *texture, const
// Bottom
curr_src.y = srcrect->y + srcrect->h - bottom_height;
curr_src.h = bottom_height;
curr_dst.y = dstrect->y + dstrect->h - dst_bottom_height;
curr_dst.h = dst_bottom_height;
if (!SDL_RenderTexture(renderer, texture, &curr_src, &curr_dst)) {