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Add input checks, fix overflow/wrap related bugs

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This commit is contained in:
Mikhail Romanko
2025-08-04 20:35:19 +03:00
parent deb4ec00f4
commit 4ce443f0d9
4 changed files with 137 additions and 113 deletions
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38
include/BH/Bitmap.h
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@@ -35,8 +35,8 @@ typedef struct BH_Bitmap BH_Bitmap;
#define BH_BITMAP_FLAG_EXT_PALETTE 0x0004
BH_Bitmap *BH_BitmapNew(int width,
int height,
BH_Bitmap *BH_BitmapNew(uint32_t width,
uint32_t height,
int format,
int flags,
void *data,
@@ -47,49 +47,49 @@ void BH_BitmapFree(BH_Bitmap *bitmap);
void BH_BitmapColor(const BH_Bitmap *bitmap,
int x,
int y,
uint32_t x,
uint32_t y,
BH_Color *value);
void BH_BitmapSetColor(BH_Bitmap *bitmap,
int x,
int y,
uint32_t x,
uint32_t y,
const BH_Color *value);
uint8_t BH_BitmapIndex(const BH_Bitmap *bitmap,
int x,
int y);
uint32_t x,
uint32_t y);
void BH_BitmapSetIndex(BH_Bitmap *bitmap,
int x,
int y,
uint32_t x,
uint32_t y,
uint8_t index);
BH_Bitmap *BH_BitmapCopy(BH_Bitmap *bitmap,
int x,
int y,
int width,
int height,
uint32_t x,
uint32_t y,
uint32_t width,
uint32_t height,
int shallow);
void *BH_BitmapScanline(const BH_Bitmap *bitmap,
int y);
uint32_t y);
void *BH_BitmapAt(const BH_Bitmap *bitmap,
int x,
int y);
uint32_t x,
uint32_t y);
int BH_BitmapWidth(BH_Bitmap *bitmap);
uint32_t BH_BitmapWidth(BH_Bitmap *bitmap);
int BH_BitmapHeight(BH_Bitmap *bitmap);
uint32_t BH_BitmapHeight(BH_Bitmap *bitmap);
int BH_BitmapFormat(BH_Bitmap *bitmap);