mirror of
https://github.com/ZDoom/Raze.git
synced 2024-11-15 17:01:28 +00:00
503 lines
15 KiB
C++
503 lines
15 KiB
C++
/*
|
|
** bitmap.h
|
|
**
|
|
**---------------------------------------------------------------------------
|
|
** Copyright 2008 Christoph Oelckers
|
|
** All rights reserved.
|
|
**
|
|
** Redistribution and use in source and binary forms, with or without
|
|
** modification, are permitted provided that the following conditions
|
|
** are met:
|
|
**
|
|
** 1. Redistributions of source code must retain the above copyright
|
|
** notice, this list of conditions and the following disclaimer.
|
|
** 2. Redistributions in binary form must reproduce the above copyright
|
|
** notice, this list of conditions and the following disclaimer in the
|
|
** documentation and/or other materials provided with the distribution.
|
|
** 3. The name of the author may not be used to endorse or promote products
|
|
** derived from this software without specific prior written permission.
|
|
**
|
|
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
**---------------------------------------------------------------------------
|
|
**
|
|
**
|
|
*/
|
|
|
|
|
|
#ifndef __BITMAP_H__
|
|
#define __BITMAP_H__
|
|
|
|
#include "basics.h"
|
|
|
|
#include "palentry.h"
|
|
|
|
struct FCopyInfo;
|
|
|
|
struct FClipRect
|
|
{
|
|
int x, y, width, height;
|
|
|
|
bool Intersect(int ix, int iy, int iw, int ih);
|
|
};
|
|
|
|
typedef int blend_t;
|
|
|
|
enum
|
|
{
|
|
BLENDBITS = 16,
|
|
BLENDUNIT = (1<<BLENDBITS)
|
|
};
|
|
|
|
enum ColorType
|
|
{
|
|
CF_RGB,
|
|
CF_RGBT,
|
|
CF_RGBA,
|
|
CF_IA,
|
|
CF_CMYK,
|
|
CF_YCbCr,
|
|
CF_BGR,
|
|
CF_BGRA,
|
|
CF_I16,
|
|
CF_RGB555,
|
|
CF_PalEntry
|
|
};
|
|
|
|
|
|
class FBitmap
|
|
{
|
|
protected:
|
|
uint8_t *data;
|
|
int Width;
|
|
int Height;
|
|
int Pitch;
|
|
bool FreeBuffer;
|
|
FClipRect ClipRect;
|
|
|
|
|
|
public:
|
|
FBitmap()
|
|
{
|
|
data = NULL;
|
|
Width = Height = 0;
|
|
Pitch = 0;
|
|
FreeBuffer = false;
|
|
ClipRect.x = ClipRect.y = ClipRect.width = ClipRect.height = 0;
|
|
}
|
|
|
|
FBitmap(uint8_t *buffer, int pitch, int width, int height)
|
|
{
|
|
data = buffer;
|
|
|
|
Pitch = pitch;
|
|
Width = width;
|
|
Height = height;
|
|
FreeBuffer = false;
|
|
ClipRect.x = ClipRect.y = 0;
|
|
ClipRect.width = width;
|
|
ClipRect.height = height;
|
|
}
|
|
|
|
FBitmap(const FBitmap &other) = delete; // disallow because in nearly all cases this creates an unwanted copy.
|
|
|
|
FBitmap(FBitmap &&other)
|
|
{
|
|
data = other.data;
|
|
Pitch = other.Pitch;
|
|
Width = other.Width;
|
|
Height = other.Height;
|
|
FreeBuffer = other.FreeBuffer;
|
|
ClipRect = other.ClipRect;
|
|
other.data = nullptr;
|
|
other.FreeBuffer = false;
|
|
}
|
|
|
|
FBitmap &operator=(const FBitmap &other) = delete; // disallow because in nearly all cases this creates an unwanted copy. Use Copy instead.
|
|
|
|
FBitmap &operator=(FBitmap &&other)
|
|
{
|
|
if (data != nullptr && FreeBuffer) delete[] data;
|
|
data = other.data;
|
|
Pitch = other.Pitch;
|
|
Width = other.Width;
|
|
Height = other.Height;
|
|
FreeBuffer = other.FreeBuffer;
|
|
ClipRect = other.ClipRect;
|
|
other.data = nullptr;
|
|
other.FreeBuffer = false;
|
|
return *this;
|
|
}
|
|
|
|
void Copy(const FBitmap &other, bool deep = true)
|
|
{
|
|
if (data != nullptr && FreeBuffer) delete[] data;
|
|
Pitch = other.Pitch;
|
|
Width = other.Width;
|
|
Height = other.Height;
|
|
FreeBuffer = deep;
|
|
ClipRect = other.ClipRect;
|
|
if (deep)
|
|
{
|
|
data = new uint8_t[Pitch * Height];
|
|
memcpy(data, other.data, Pitch * Height);
|
|
}
|
|
else
|
|
{
|
|
data = other.data;
|
|
}
|
|
}
|
|
|
|
|
|
~FBitmap()
|
|
{
|
|
Destroy();
|
|
}
|
|
|
|
void Destroy()
|
|
{
|
|
if (data != NULL && FreeBuffer) delete [] data;
|
|
data = NULL;
|
|
FreeBuffer = false;
|
|
}
|
|
|
|
bool Create (int w, int h)
|
|
{
|
|
Pitch = w*4;
|
|
Width = w;
|
|
Height = h;
|
|
data = new uint8_t[4*w*h];
|
|
memset(data, 0, 4*w*h);
|
|
FreeBuffer = true;
|
|
ClipRect.x = ClipRect.y = 0;
|
|
ClipRect.width = w;
|
|
ClipRect.height = h;
|
|
return data != NULL;
|
|
}
|
|
|
|
int GetHeight() const
|
|
{
|
|
return Height;
|
|
}
|
|
|
|
int GetWidth() const
|
|
{
|
|
return Width;
|
|
}
|
|
|
|
int GetPitch() const
|
|
{
|
|
return Pitch;
|
|
}
|
|
|
|
int GetBufferSize() const
|
|
{
|
|
return Pitch * Height;
|
|
}
|
|
|
|
const uint8_t *GetPixels() const
|
|
{
|
|
return data;
|
|
}
|
|
|
|
uint8_t *GetPixels()
|
|
{
|
|
return data;
|
|
}
|
|
|
|
void SetClipRect(FClipRect &clip)
|
|
{
|
|
ClipRect = clip;
|
|
}
|
|
|
|
void IntersectClipRect(FClipRect &clip)
|
|
{
|
|
ClipRect.Intersect(clip.x, clip.y, clip.width, clip.height);
|
|
}
|
|
|
|
void IntersectClipRect(int cx, int cy, int cw, int ch)
|
|
{
|
|
ClipRect.Intersect(cx, cy, cw, ch);
|
|
}
|
|
|
|
const FClipRect &GetClipRect() const
|
|
{
|
|
return ClipRect;
|
|
}
|
|
|
|
void Zero();
|
|
|
|
|
|
void CopyPixelDataRGB(int originx, int originy, const uint8_t *patch, int srcwidth,
|
|
int srcheight, int step_x, int step_y, int rotate, int ct, FCopyInfo *inf = NULL,
|
|
/* for PNG tRNS */ int r=0, int g=0, int b=0);
|
|
void CopyPixelData(int originx, int originy, const uint8_t * patch, int srcwidth, int srcheight,
|
|
int step_x, int step_y, int rotate, const PalEntry * palette, FCopyInfo *inf = NULL);
|
|
|
|
|
|
void Blit(int originx, int originy, const FBitmap &src, int width, int height, int rotate = 0, FCopyInfo *inf = NULL)
|
|
{
|
|
CopyPixelDataRGB(originx, originy, src.GetPixels(), width, height, 4, src.GetWidth()*4, rotate, CF_BGRA, inf);
|
|
}
|
|
|
|
void Blit(int originx, int originy, const FBitmap &src, FCopyInfo *inf = NULL)
|
|
{
|
|
CopyPixelDataRGB(originx, originy, src.GetPixels(), src.GetWidth(), src.GetHeight(), 4, src.GetWidth()*4, 0, CF_BGRA, inf);
|
|
}
|
|
|
|
};
|
|
|
|
bool ClipCopyPixelRect(const FClipRect *cr, int &originx, int &originy,
|
|
const uint8_t *&patch, int &srcwidth, int &srcheight,
|
|
int &step_x, int &step_y, int rotate);
|
|
|
|
//===========================================================================
|
|
//
|
|
// True color conversion classes for the different pixel formats
|
|
// used by the supported texture formats
|
|
//
|
|
//===========================================================================
|
|
struct cRGB
|
|
{
|
|
static __forceinline unsigned char R(const unsigned char * p) { return p[0]; }
|
|
static __forceinline unsigned char G(const unsigned char * p) { return p[1]; }
|
|
static __forceinline unsigned char B(const unsigned char * p) { return p[2]; }
|
|
static __forceinline unsigned char A(const unsigned char * p, uint8_t x, uint8_t y, uint8_t z) { return 255; }
|
|
static __forceinline int Gray(const unsigned char * p) { return (p[0]*77 + p[1]*143 + p[2]*36)>>8; }
|
|
};
|
|
|
|
struct cRGBT
|
|
{
|
|
static __forceinline unsigned char R(const unsigned char * p) { return p[0]; }
|
|
static __forceinline unsigned char G(const unsigned char * p) { return p[1]; }
|
|
static __forceinline unsigned char B(const unsigned char * p) { return p[2]; }
|
|
static __forceinline unsigned char A(const unsigned char * p, uint8_t r, uint8_t g, uint8_t b) { return (p[0] != r || p[1] != g || p[2] != b) ? 255 : 0; }
|
|
static __forceinline int Gray(const unsigned char * p) { return (p[0]*77 + p[1]*143 + p[2]*36)>>8; }
|
|
};
|
|
|
|
struct cRGBA
|
|
{
|
|
enum
|
|
{
|
|
RED = 0,
|
|
GREEN = 1,
|
|
BLUE = 1,
|
|
ALPHA = 3
|
|
};
|
|
static __forceinline unsigned char R(const unsigned char * p) { return p[0]; }
|
|
static __forceinline unsigned char G(const unsigned char * p) { return p[1]; }
|
|
static __forceinline unsigned char B(const unsigned char * p) { return p[2]; }
|
|
static __forceinline unsigned char A(const unsigned char * p, uint8_t x, uint8_t y, uint8_t z) { return p[3]; }
|
|
static __forceinline int Gray(const unsigned char * p) { return (p[0]*77 + p[1]*143 + p[2]*36)>>8; }
|
|
};
|
|
|
|
struct cIA
|
|
{
|
|
static __forceinline unsigned char R(const unsigned char * p) { return p[0]; }
|
|
static __forceinline unsigned char G(const unsigned char * p) { return p[0]; }
|
|
static __forceinline unsigned char B(const unsigned char * p) { return p[0]; }
|
|
static __forceinline unsigned char A(const unsigned char * p, uint8_t x, uint8_t y, uint8_t z) { return p[1]; }
|
|
static __forceinline int Gray(const unsigned char * p) { return p[0]; }
|
|
};
|
|
|
|
struct cCMYK
|
|
{
|
|
static __forceinline unsigned char R(const unsigned char * p) { return p[3] - (((256-p[0])*p[3]) >> 8); }
|
|
static __forceinline unsigned char G(const unsigned char * p) { return p[3] - (((256-p[1])*p[3]) >> 8); }
|
|
static __forceinline unsigned char B(const unsigned char * p) { return p[3] - (((256-p[2])*p[3]) >> 8); }
|
|
static __forceinline unsigned char A(const unsigned char * p, uint8_t x, uint8_t y, uint8_t z) { return 255; }
|
|
static __forceinline int Gray(const unsigned char * p) { return (R(p)*77 + G(p)*143 + B(p)*36)>>8; }
|
|
};
|
|
|
|
struct cYCbCr
|
|
{
|
|
static __forceinline unsigned char R(const unsigned char * p) { return clamp((int)(p[0] + 1.40200 * (int(p[2]) - 0x80)), 0, 255); }
|
|
static __forceinline unsigned char G(const unsigned char * p) { return clamp((int)(p[0] - 0.34414 * (int(p[1] - 0x80)) - 0.71414 * (int(p[2]) - 0x80)), 0, 255); }
|
|
static __forceinline unsigned char B(const unsigned char * p) { return clamp((int)(p[0] + 1.77200 * (int(p[1]) - 0x80)), 0, 255); }
|
|
static __forceinline unsigned char A(const unsigned char * p, uint8_t x, uint8_t y, uint8_t z) { return 255; }
|
|
static __forceinline int Gray(const unsigned char * p) { return (R(p) * 77 + G(p) * 143 + B(p) * 36) >> 8; }
|
|
};
|
|
|
|
struct cBGR
|
|
{
|
|
static __forceinline unsigned char R(const unsigned char * p) { return p[2]; }
|
|
static __forceinline unsigned char G(const unsigned char * p) { return p[1]; }
|
|
static __forceinline unsigned char B(const unsigned char * p) { return p[0]; }
|
|
static __forceinline unsigned char A(const unsigned char * p, uint8_t x, uint8_t y, uint8_t z) { return 255; }
|
|
static __forceinline int Gray(const unsigned char * p) { return (p[2]*77 + p[1]*143 + p[0]*36)>>8; }
|
|
};
|
|
|
|
struct cBGRA
|
|
{
|
|
enum
|
|
{
|
|
RED = 2,
|
|
GREEN = 1,
|
|
BLUE = 0,
|
|
ALPHA = 3
|
|
};
|
|
static __forceinline unsigned char R(const unsigned char * p) { return p[2]; }
|
|
static __forceinline unsigned char G(const unsigned char * p) { return p[1]; }
|
|
static __forceinline unsigned char B(const unsigned char * p) { return p[0]; }
|
|
static __forceinline unsigned char A(const unsigned char * p, uint8_t x, uint8_t y, uint8_t z) { return p[3]; }
|
|
static __forceinline int Gray(const unsigned char * p) { return (p[2]*77 + p[1]*143 + p[0]*36)>>8; }
|
|
};
|
|
|
|
struct cARGB
|
|
{
|
|
enum
|
|
{
|
|
RED = 1,
|
|
GREEN = 2,
|
|
BLUE = 3,
|
|
ALPHA = 0
|
|
};
|
|
static __forceinline unsigned char R(const unsigned char * p) { return p[1]; }
|
|
static __forceinline unsigned char G(const unsigned char * p) { return p[2]; }
|
|
static __forceinline unsigned char B(const unsigned char * p) { return p[3]; }
|
|
static __forceinline unsigned char A(const unsigned char * p, uint8_t x, uint8_t y, uint8_t z) { return p[0]; }
|
|
static __forceinline int Gray(const unsigned char * p) { return (p[1]*77 + p[2]*143 + p[3]*36)>>8; }
|
|
};
|
|
|
|
struct cI16
|
|
{
|
|
static __forceinline unsigned char R(const unsigned char * p) { return p[1]; }
|
|
static __forceinline unsigned char G(const unsigned char * p) { return p[1]; }
|
|
static __forceinline unsigned char B(const unsigned char * p) { return p[1]; }
|
|
static __forceinline unsigned char A(const unsigned char * p, uint8_t x, uint8_t y, uint8_t z) { return 255; }
|
|
static __forceinline int Gray(const unsigned char * p) { return p[1]; }
|
|
};
|
|
|
|
struct cRGB555
|
|
{
|
|
static __forceinline unsigned char R(const unsigned char * p) { return (((*(uint16_t*)p)&0x1f)<<3); }
|
|
static __forceinline unsigned char G(const unsigned char * p) { return (((*(uint16_t*)p)&0x3e0)>>2); }
|
|
static __forceinline unsigned char B(const unsigned char * p) { return (((*(uint16_t*)p)&0x7c00)>>7); }
|
|
static __forceinline unsigned char A(const unsigned char * p, uint8_t x, uint8_t y, uint8_t z) { return 255; }
|
|
static __forceinline int Gray(const unsigned char * p) { return (R(p)*77 + G(p)*143 + B(p)*36)>>8; }
|
|
};
|
|
|
|
struct cPalEntry
|
|
{
|
|
static __forceinline unsigned char R(const unsigned char * p) { return ((PalEntry*)p)->r; }
|
|
static __forceinline unsigned char G(const unsigned char * p) { return ((PalEntry*)p)->g; }
|
|
static __forceinline unsigned char B(const unsigned char * p) { return ((PalEntry*)p)->b; }
|
|
static __forceinline unsigned char A(const unsigned char * p, uint8_t x, uint8_t y, uint8_t z) { return ((PalEntry*)p)->a; }
|
|
static __forceinline int Gray(const unsigned char * p) { return (R(p)*77 + G(p)*143 + B(p)*36)>>8; }
|
|
};
|
|
|
|
enum EBlend
|
|
{
|
|
BLEND_NONE = 0,
|
|
BLEND_ICEMAP = 1,
|
|
BLEND_DESATURATE1 = 2,
|
|
BLEND_DESATURATE31 = 32,
|
|
BLEND_SPECIALCOLORMAP1 = 33,
|
|
BLEND_MODULATE = -1,
|
|
BLEND_OVERLAY = -2,
|
|
};
|
|
|
|
enum ECopyOp
|
|
{
|
|
OP_COPY,
|
|
OP_BLEND,
|
|
OP_ADD,
|
|
OP_SUBTRACT,
|
|
OP_REVERSESUBTRACT,
|
|
OP_MODULATE,
|
|
OP_COPYALPHA,
|
|
OP_COPYNEWALPHA,
|
|
OP_OVERLAY,
|
|
OP_OVERWRITE
|
|
};
|
|
|
|
struct FCopyInfo
|
|
{
|
|
ECopyOp op;
|
|
EBlend blend;
|
|
blend_t blendcolor[4];
|
|
blend_t alpha;
|
|
blend_t invalpha;
|
|
PalEntry *palette;
|
|
};
|
|
|
|
struct bOverwrite
|
|
{
|
|
static __forceinline void OpC(uint8_t &d, uint8_t s, uint8_t a, FCopyInfo *i) { d = s; }
|
|
static __forceinline void OpA(uint8_t &d, uint8_t s, FCopyInfo *i) { d = s; }
|
|
static __forceinline bool ProcessAlpha0() { return true; }
|
|
};
|
|
|
|
struct bCopy
|
|
{
|
|
static __forceinline void OpC(uint8_t &d, uint8_t s, uint8_t a, FCopyInfo *i) { d = s; }
|
|
static __forceinline void OpA(uint8_t &d, uint8_t s, FCopyInfo *i) { d = s; }
|
|
static __forceinline bool ProcessAlpha0() { return false; }
|
|
};
|
|
|
|
struct bCopyNewAlpha
|
|
{
|
|
static __forceinline void OpC(uint8_t &d, uint8_t s, uint8_t a, FCopyInfo *i) { d = s; }
|
|
static __forceinline void OpA(uint8_t &d, uint8_t s, FCopyInfo *i) { d = (s*i->alpha) >> BLENDBITS; }
|
|
static __forceinline bool ProcessAlpha0() { return false; }
|
|
};
|
|
|
|
struct bCopyAlpha
|
|
{
|
|
static __forceinline void OpC(uint8_t &d, uint8_t s, uint8_t a, FCopyInfo *i) { d = (s*a + d*(255-a))/255; }
|
|
static __forceinline void OpA(uint8_t &d, uint8_t s, FCopyInfo *i) { d = s; }
|
|
static __forceinline bool ProcessAlpha0() { return false; }
|
|
};
|
|
|
|
struct bOverlay
|
|
{
|
|
static __forceinline void OpC(uint8_t &d, uint8_t s, uint8_t a, FCopyInfo *i) { d = (s*a + d*(255-a))/255; }
|
|
static __forceinline void OpA(uint8_t &d, uint8_t s, FCopyInfo *i) { d = max(s,d); }
|
|
static __forceinline bool ProcessAlpha0() { return false; }
|
|
};
|
|
|
|
struct bBlend
|
|
{
|
|
static __forceinline void OpC(uint8_t &d, uint8_t s, uint8_t a, FCopyInfo *i) { d = (d*i->invalpha + s*i->alpha) >> BLENDBITS; }
|
|
static __forceinline void OpA(uint8_t &d, uint8_t s, FCopyInfo *i) { d = s; }
|
|
static __forceinline bool ProcessAlpha0() { return false; }
|
|
};
|
|
|
|
struct bAdd
|
|
{
|
|
static __forceinline void OpC(uint8_t &d, uint8_t s, uint8_t a, FCopyInfo *i) { d = min<int>((d*BLENDUNIT + s*i->alpha) >> BLENDBITS, 255); }
|
|
static __forceinline void OpA(uint8_t &d, uint8_t s, FCopyInfo *i) { d = s; }
|
|
static __forceinline bool ProcessAlpha0() { return false; }
|
|
};
|
|
|
|
struct bSubtract
|
|
{
|
|
static __forceinline void OpC(uint8_t &d, uint8_t s, uint8_t a, FCopyInfo *i) { d = max<int>((d*BLENDUNIT - s*i->alpha) >> BLENDBITS, 0); }
|
|
static __forceinline void OpA(uint8_t &d, uint8_t s, FCopyInfo *i) { d = s; }
|
|
static __forceinline bool ProcessAlpha0() { return false; }
|
|
};
|
|
|
|
struct bReverseSubtract
|
|
{
|
|
static __forceinline void OpC(uint8_t &d, uint8_t s, uint8_t a, FCopyInfo *i) { d = max<int>((-d*BLENDUNIT + s*i->alpha) >> BLENDBITS, 0); }
|
|
static __forceinline void OpA(uint8_t &d, uint8_t s, FCopyInfo *i) { d = s; }
|
|
static __forceinline bool ProcessAlpha0() { return false; }
|
|
};
|
|
|
|
struct bModulate
|
|
{
|
|
static __forceinline void OpC(uint8_t &d, uint8_t s, uint8_t a, FCopyInfo *i) { d = (s*d)/255; }
|
|
static __forceinline void OpA(uint8_t &d, uint8_t s, FCopyInfo *i) { d = s; }
|
|
static __forceinline bool ProcessAlpha0() { return false; }
|
|
};
|
|
|
|
|
|
#endif
|