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graphics: off-by-one on scanline width in draw_sprite_alpha

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K. Lange 2021-09-07 09:52:00 +09:00
parent a941c3a20d
commit c66f39a563
1 changed files with 1 additions and 1 deletions
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lib/graphics.c
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@ -785,7 +785,7 @@ void draw_sprite_alpha(gfx_context_t * ctx, const sprite_t * sprite, int32_t x,
int32_t _top = max(y, 0);
int32_t _right = min(x + sprite->width, ctx->width - 1);
int32_t _bottom = min(y + sprite->height, ctx->height - 1);
sprite_t * scanline = create_sprite(_right - _left, 1, ALPHA_EMBEDDED);
sprite_t * scanline = create_sprite(_right - _left + 1, 1, ALPHA_EMBEDDED);
uint8_t alp = alpha * 255;
for (uint16_t _y = 0; _y < sprite->height; ++_y) {