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#ifndef bitmap_funcs_h__
#define bitmap_funcs_h__
// This should make bitmap manipulations much easier...
class CMyBitmap
{
public:
typedef unsigned long COLOR32;
static inline COLOR32 RGBA(unsigned char r, unsigned char g, unsigned char b, unsigned char a = 0xff)
{
return (a << 24) | (r << 16) | (g << 8) | b;
};
private:
HBITMAP hBmpSave, hBmp;
HDC dcBmp;
COLOR32 *bits;
COLOR32 *bitsSave;
int width, height;
void free();
bool loadFromFile_pixel(const TCHAR *fn, const TCHAR *fnAlpha = 0);
bool loadFromFile_gradient(const TCHAR *fn, const TCHAR *fnAlpha = 0);
bool loadFromFile_png(const TCHAR *fn, const TCHAR *fnAlpha = 0);
bool loadFromFile_default(const TCHAR *fn, const TCHAR *fnAlpha = 0);
void premultipleChannels();
public:
CMyBitmap();
CMyBitmap(int w, int h);
CMyBitmap(const TCHAR *fn, const TCHAR *fnAlpha = 0);
~CMyBitmap();
void allocate(int w, int h);
bool loadFromFile(const TCHAR *fn, const TCHAR *fnAlpha = 0);
int getWidth() { return width; }
int getHeight() { return height; }
HDC getDC() { return dcBmp; }
HBITMAP getBitmap() { return hBmp; }
void setAlpha(BYTE level);
void setAlphaRect(int x1, int y1, int x2, int y2, BYTE level);
void setAlphaRect(RECT rc, BYTE level) { setAlphaRect(rc.left, rc.top, rc.right, rc.bottom, level); }
void makeOpaque();
void makeOpaqueRect(int x1, int y1, int x2, int y2);
void makeOpaqueRect(RECT rc) { makeOpaqueRect(rc.left, rc.top, rc.right, rc.bottom); }
void saveAlpha(int x = 0, int y = 0, int w = 0, int h = 0);
void restoreAlpha(int x = 0, int y = 0, int w = 0, int h = 0);
void Blend(CMyBitmap *bmp, int x, int y, int w, int h);
void BlendPart(CMyBitmap *bmp, int xin, int yin, int win, int hin, int x, int y, int w, int h);
void BlendBits(COLOR32 *inbits, int inw, int inh, int x, int y, int w, int h);
void Draw(CMyBitmap *bmp, int x, int y, int w, int h);
void DrawPart(CMyBitmap *bmp, int xin, int yin, int win, int hin, int x, int y, int w, int h);
// slow, very slow...
void BlendColorized(CMyBitmap *bmp, int x, int y, int w, int h, COLOR32 color);
void DrawColorized(CMyBitmap *bmp, int x, int y, int w, int h, COLOR32 color);
void BlendPartColorized(CMyBitmap *bmp, int xin, int yin, int win, int hin, int x, int y, int w, int h, COLOR32 color);
void Blur(int w, int h);
void IncreaseAlpha(float q);
void DrawIcon(HICON hic, int x, int y, int w = 0, int h = 0);
void DrawText(TCHAR *str, int x, int y, int blur=0, int strength=0);
__forceinline COLOR32 *getBits() { return bits; }
__forceinline COLOR32 *getRow(int row) { return bits + row * width; }
__forceinline COLOR32 *operator[] (int row) { return bits + row * width; }
static __forceinline COLOR32 rgba(COLOR32 r, COLOR32 g, COLOR32 b, COLOR32 a)
{
return ((a & 0xff) << 24) | ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff);
}
static __forceinline COLOR32 getr(COLOR32 c)
{
return (c >> 16) & 0xff;
}
static __forceinline COLOR32 getg(COLOR32 c)
{
return (c >> 8) & 0xff;
}
static __forceinline COLOR32 getb(COLOR32 c)
{
return c & 0xff;
}
static __forceinline COLOR32 geta(COLOR32 c)
{
return (c >> 24) & 0xff;
}
HRGN buildOpaqueRgn(int level = 64, bool opaque = true);
};
#endif // __bitmap_funcs_h__
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