mirror of
https://github.com/dhewm/dhewm3.git
synced 2024-12-11 21:40:49 +00:00
1022 lines
21 KiB
C++
1022 lines
21 KiB
C++
/*
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===========================================================================
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Doom 3 GPL Source Code
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Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").
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Doom 3 Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Doom 3 Source Code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code. If not, please request a copy in writing from id Software at the address below.
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If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
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===========================================================================
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*/
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#include "../../idlib/precompiled.h"
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#pragma hdrstop
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#ifdef ID_DEBUG_MEMORY
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#undef new
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#endif
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#include "math.h"
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#include "CDIB.h"
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// Original ColorPicker/DIB source by Rajiv Ramachandran <rrajivram@hotmail.com>
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// included with Permission from the author
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#define BIG_DISTANCE 10000000L
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#define DIST(r1,g1,b1,r2,g2,b2) \
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(long) (3L*(long)((r1)-(r2))*(long)((r1)-(r2)) + \
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4L*(long)((g1)-(g2))*(long)((g1)-(g2)) + \
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2L*(long)((b1)-(b2))*(long)((b1)-(b2)))
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static unsigned char masktable[] = { 0x80,0x40,0x20,0x10,0x08,0x04,0x02,0x01 };
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CDIB::CDIB(HANDLE hDib,int nBits)
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{
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m_pVoid = NULL;
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m_pLinePtr = NULL;
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m_bUseGamma=FALSE;
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width=height=0;
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if(hDib)
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{
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CreateFromHandle(hDib,nBits);
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}
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}
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CDIB::~CDIB()
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{
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DestroyDIB();
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}
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void CDIB::DestroyDIB()
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{
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if(m_pVoid) free(m_pVoid);
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m_pVoid = NULL;
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if(m_pLinePtr) free(m_pLinePtr);
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m_pLinePtr = NULL;
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}
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BOOL CDIB::Create(int width,int height,int bits)
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{
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/*
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Free existing image
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*/
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DestroyDIB();
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// ASSERT(bits == 24 || bits == 8);
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BITMAPINFOHEADER bmInfo;
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memset(&bmInfo,0,sizeof(BITMAPINFOHEADER));
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bmInfo.biSize = sizeof(BITMAPINFOHEADER);
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bmInfo.biWidth = width;
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bmInfo.biHeight = height;
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bmInfo.biPlanes = 1;
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bmInfo.biBitCount = bits;
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bmInfo.biCompression = BI_RGB;
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return Create(bmInfo);
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}
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BOOL CDIB::Create(BITMAPINFOHEADER& bmInfo)
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{
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bytes = (bmInfo.biBitCount*bmInfo.biWidth)>>3;
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height = bmInfo.biHeight;
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width = bmInfo.biWidth;
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// bmInfo.biHeight *= -1;
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while(bytes%4) bytes++;
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int size;
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size = sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD)*GetPaletteSize(bmInfo) + bytes*height;
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m_pVoid = (void *)malloc(size);
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if(!m_pVoid) return FALSE;
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m_pInfo = (PBITMAPINFO )m_pVoid;
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memcpy((void *)&m_pInfo->bmiHeader,(void *)&bmInfo,sizeof(BITMAPINFOHEADER));
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m_pRGB = (RGBQUAD *)((unsigned char *)m_pVoid + sizeof(BITMAPINFOHEADER)) ;
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m_pBits = (unsigned char *)(m_pVoid) + sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD)*GetPaletteSize();
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int i;
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BYTE **ptr;
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m_pLinePtr = (BYTE **)malloc(sizeof(BYTE *)*height);
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if(!m_pLinePtr) return FALSE;
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for(i=0,ptr=m_pLinePtr; i < height; i++,ptr++)
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{
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//*ptr = (int)(m_pBits)+(i*bytes);
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//*ptr = (int)GetLinePtr(i);
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*ptr = m_pBits + (height-i-1)*bytes;
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}
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m_nFlags = 0;
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return TRUE;
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}
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void CDIB::SetPalette(unsigned char *palette)
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{
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int i,size;
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RGBQUAD *rgb;
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if(!palette) return;
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size = GetPaletteSize();
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for(i=0,rgb = m_pRGB; i < size; i++,rgb++,palette+=3)
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{
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if(m_bUseGamma)
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{
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rgb->rgbRed = Gamma[palette[0]];
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rgb->rgbGreen = Gamma[palette[1]];
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rgb->rgbBlue = Gamma[palette[2]];
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}
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else
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{
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rgb->rgbRed = palette[0];
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rgb->rgbGreen = palette[1];
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rgb->rgbBlue = palette[2];
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}
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rgb->rgbReserved = (BYTE)0;
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}
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}
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void CDIB::SetPalette(RGBQUAD *pRGB)
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{
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int size;
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if(!pRGB) return;
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size = GetPaletteSize();
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memcpy(m_pRGB,pRGB,size*sizeof(RGBQUAD));
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}
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int CDIB::GetPaletteSize()
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{
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return GetPaletteSize(m_pInfo->bmiHeader);
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}
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int CDIB::GetPaletteSize(BITMAPINFOHEADER& bmInfo)
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{
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switch(bmInfo.biBitCount)
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{
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case 1:
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return 2;
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case 4:
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return 16;
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case 8:
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return 256;
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default:
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return 0;
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}
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}
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void CDIB::SetPixel(int x,int y,COLORREF color)
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{
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unsigned char *ptr;
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ASSERT(x >= 0 && y >=0);
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ASSERT(x < width && y < height);
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// ptr = m_pBits + (y*bytes) + x * 3;
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ptr = (unsigned char *)m_pLinePtr[y];
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ptr += x*3;
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*ptr++ = (unsigned char)GetBValue(color);
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*ptr++ = (unsigned char)GetGValue(color);
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*ptr++ = (unsigned char)GetRValue(color);
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}
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void CDIB::SetPixel8(int x,int y,unsigned char color)
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{
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unsigned char *ptr,*aptr;
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ASSERT(x >= 0 && y >=0);
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ASSERT(x < width && y < height);
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// ptr = m_pBits + (y*bytes) + x ;
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// ptr = (unsigned char *)m_pLinePtr[y] ;
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ptr = GetLinePtr(y);
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aptr = ptr;
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ptr += x;
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*ptr = color;
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}
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COLORREF CDIB::GetPixel(int x,int y)
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{
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unsigned char *ptr;
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COLORREF color;
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ASSERT(x >= 0 && y >=0);
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ASSERT(x < width && y < height);
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// ptr = m_pBits + (y*bytes) + x * 3;
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ptr = GetLinePtr(y);
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ptr += (x*3);
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color = RGB(*(ptr+2),*(ptr+1),*ptr);
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return color;
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}
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CBitmap *CDIB::GetTempBitmap(CDC& dc)
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{
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HBITMAP hBitmap;
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CBitmap *temp;
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ASSERT(m_pVoid != NULL);
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hBitmap = CreateDIBitmap(dc.m_hDC,
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(PBITMAPINFOHEADER)m_pInfo,
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CBM_INIT,
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(const void *)m_pBits,
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m_pInfo,
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DIB_RGB_COLORS);
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if(hBitmap == NULL) return NULL;
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temp = CBitmap::FromHandle(hBitmap);
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return temp;
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}
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CBitmap *CDIB::GetBitmap(CDC& dc)
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{
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HBITMAP hBitmap;
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CBitmap *temp;
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ASSERT(m_pVoid != NULL);
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hBitmap = CreateDIBitmap(dc.m_hDC,
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(PBITMAPINFOHEADER)m_pInfo,
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CBM_INIT,
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(const void *)m_pBits,
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m_pInfo,
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DIB_RGB_COLORS);
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if(hBitmap == NULL) return NULL;
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temp = CBitmap::FromHandle(hBitmap);
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if(temp)
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{
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BITMAP bmp;
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LPVOID lpVoid;
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temp->GetBitmap(&bmp);
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lpVoid = malloc(bmp.bmWidthBytes*bmp.bmHeight);
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if(!lpVoid) return NULL;
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temp->GetBitmapBits(bmp.bmWidthBytes*bmp.bmHeight,lpVoid);
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CBitmap *newBmp = new CBitmap;
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newBmp->CreateBitmapIndirect(&bmp);
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newBmp->SetBitmapBits(bmp.bmWidthBytes*bmp.bmHeight,lpVoid);
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free(lpVoid);
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return newBmp;
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}
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else return NULL;
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}
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void CDIB::CopyLine(int source,int dest)
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{
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unsigned char *src,*dst;
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ASSERT(source <= height && source >= 0);
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ASSERT(dest <= height && dest >= 0);
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if(source == dest) return;
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src = GetLinePtr(source);
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dst = GetLinePtr(dest);
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memcpy(dst,src,bytes);
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}
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void CDIB::InitDIB(COLORREF color)
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{
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int i,j;
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unsigned char *ptr;
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if(m_pInfo->bmiHeader.biBitCount == 24)
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{
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unsigned char col[3];
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col[0]=GetBValue(color);
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col[1]=GetGValue(color);
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col[2]=GetRValue(color);
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for(i=0,ptr = m_pBits; i < height; i++)
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{
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ptr = m_pBits + i*bytes;
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for(j=0; j < width ; j++,ptr+=3)
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{
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memcpy(ptr,col,3);
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}
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}
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}
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else
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{
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for(i=0,ptr = m_pBits; i < height; i++,ptr+=bytes)
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{
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memset(ptr,(BYTE)color,bytes);
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}
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}
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}
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void CDIB::BitBlt(HDC hDest,int nXDest,int nYDest,int nWidth,int nHeight,int xSrc,int ySrc)
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{
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SetDIBitsToDevice(hDest,nXDest,nYDest,nWidth,nHeight,xSrc,Height()-ySrc-nHeight,0,Height(),m_pBits,m_pInfo,DIB_RGB_COLORS);
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}
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void CDIB::StretchBlt(HDC hDest,int nXDest,int nYDest,int nDWidth,int nDHeight,int xSrc,int ySrc,int nSWidth,int nSHeight)
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{
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int err;
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err = StretchDIBits(hDest,nXDest,nYDest,nDWidth,nDHeight,xSrc,ySrc,nSWidth,nSHeight,m_pBits,(CONST BITMAPINFO * )&m_pInfo->bmiHeader,DIB_RGB_COLORS,SRCCOPY);
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}
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void CDIB::ExpandBlt(int nXDest,int nYDest,int xRatio,int yRatio,CDIB& dibSrc,int xSrc,int ySrc,int nSWidth,int nSHeight)
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{
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SetPalette(dibSrc.m_pRGB);
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nSWidth = xSrc+nSWidth > dibSrc.width ? dibSrc.width-xSrc : nSWidth;
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nSHeight = ySrc+nSHeight > dibSrc.height? dibSrc.height-ySrc : nSHeight;
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Expand(nXDest,nYDest,xRatio,yRatio,dibSrc,xSrc,ySrc,nSWidth,nSHeight);
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}
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void CDIB::Expand(int nXDest,int nYDest,int xRatio,int yRatio,CDIB& dibSrc,int xSrc,int ySrc,int nSWidth,int nSHeight)
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{
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int xNum,yNum,xErr,yErr;
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int nDWidth,nDHeight;
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nDWidth = nSWidth*xRatio;
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nDHeight = nSHeight*yRatio;
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nDWidth = nXDest+nDWidth > width ? width-nXDest : nDWidth ;
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nDHeight = nYDest+nDHeight > height ? height-nYDest : nDHeight;
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xNum = nDWidth/xRatio;
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yNum = nDHeight/yRatio;
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xErr = nDWidth%xRatio;
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yErr = nDHeight%yRatio;
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unsigned char *buffer,*srcPtr,*destPtr,*ptr;
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int i,j,k;
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buffer = (unsigned char *)malloc(nDWidth+20);
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if(!buffer) return;
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for(i=0; i < yNum; i++,ySrc++)
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{
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srcPtr = dibSrc.GetLinePtr(ySrc) + xSrc;
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ptr = buffer;
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for(j=0; j < xNum; j++,ptr+=xRatio)
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{
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memset(ptr,*(srcPtr+j),xRatio);
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k=*(srcPtr+j);
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}
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memset(ptr,(unsigned char)k,xErr);
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for(j=0; j < yRatio ; j++,nYDest++)
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{
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destPtr = GetLinePtr(nYDest) + nXDest;
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memcpy(destPtr,buffer,nDWidth);
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}
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}
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for(j=0; j < yErr; j++,nYDest++)
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{
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destPtr = GetLinePtr(nYDest) + nXDest;
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memcpy(destPtr,buffer,nDWidth);
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}
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free(buffer);
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}
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void CDIB::StretchBlt(int nXDest,int nYDest,int nDWidth,int nDHeight,CDIB& dibSrc,int xSrc,int ySrc,int nSWidth,int nSHeight)
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{
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SetPalette(dibSrc.m_pRGB);
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nDWidth = nXDest+nDWidth > width ? width-nXDest : nDWidth ;
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nDHeight = nYDest+nDHeight > height ? height-nYDest : nDHeight;
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nSWidth = xSrc+nSWidth > dibSrc.width ? dibSrc.width-xSrc : nSWidth;
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nSHeight = ySrc+nSHeight > dibSrc.height? dibSrc.height-ySrc : nSHeight;
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int xDiv,yDiv;
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int xMod,yMod;
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xDiv = nDWidth/nSWidth;
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xMod = nDWidth%nSWidth;
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yDiv = nDHeight/nSHeight;
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yMod = nDHeight%nSHeight;
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if(!xMod && !yMod && xDiv > 0 && yDiv > 0)
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{
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ExpandBlt(nXDest,nYDest,xDiv,yDiv,dibSrc,xSrc,ySrc,nSWidth,nSHeight);
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return;
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}
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unsigned char *tempPtr,*srcPix,*destPix,*q;
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tempPtr = (unsigned char *)malloc(nDWidth+20);
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int i,j,k,l,x,y,m;
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int xErr,yErr;
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for(i=yErr=m=0; i < nSHeight; i++)
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{
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srcPix = dibSrc.GetLinePtr(i+ySrc) + xSrc;
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q = tempPtr;
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for(j=l=xErr=0; j < nSWidth; j++,srcPix++)
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{
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k = xDiv;
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xErr += xMod;
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if(xErr >= nSWidth)
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{
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k++;
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xErr%=nSWidth;
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}
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x=0;
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while(l < nDWidth && x < k)
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{
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*q++ = *srcPix;
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l++;
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x++;
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}
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}
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while(l < nDWidth)
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{
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*q++=*srcPix;
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l++;
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}
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k= yDiv;
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yErr += yMod;
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if(yErr >= nSHeight)
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{
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k++;
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yErr%=nSHeight;
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}
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y=0;
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while(m < nDHeight && y < k)
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{
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destPix = GetLinePtr(m+nYDest) + nXDest;
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memcpy(destPix,tempPtr,nDWidth);
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m++;
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y++;
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}
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}
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while(m < nDHeight )
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{
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destPix = GetLinePtr(m+nYDest) + nXDest;
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memcpy(destPix,tempPtr,nDWidth);
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m++;
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}
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free(tempPtr);
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}
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void CDIB::BitBlt(int nXDest,int nYDest,int nWidth,int nHeight,CDIB& dibSrc,int nSrcX,int nSrcY,BYTE *colors)
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{
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SetPalette(dibSrc.m_pRGB);
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if(nXDest < 0)
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{
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nSrcX -= nXDest;
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nWidth += nXDest;
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nXDest=0;
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}
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if(nYDest < 0)
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{
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nSrcY -= nYDest;
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nHeight += nYDest;
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nYDest=0;
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}
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if(nSrcX < 0)
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{
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nXDest -= nSrcX;
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nWidth += nSrcX;
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nSrcX=0;
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}
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if(nSrcY < 0)
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{
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nYDest -= nSrcY;
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nHeight += nSrcY;
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nSrcY=0;
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}
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nWidth = nXDest+nWidth > width ? width-nXDest : nWidth ;
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nHeight = nYDest+nHeight > height ? height-nYDest : nHeight;
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nWidth = nSrcX+nWidth > dibSrc.width ? dibSrc.width-nSrcX : nWidth;
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nHeight = nSrcY+nHeight > dibSrc.height? dibSrc.height-nSrcY : nHeight;
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nWidth = __max(0,nWidth);
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nHeight = __max(0,nHeight);
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int i,k,l,j;
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unsigned char *srcPtr,*destPtr;
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if(!colors)
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{
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for(i=0,k=nSrcY,l=nYDest; i < nHeight; i++,k++,l++)
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{
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if(k < 0 || l < 0)
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{
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continue;
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}
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else
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{
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srcPtr = dibSrc.GetLinePtr(k);
|
|
destPtr = GetLinePtr(l);
|
|
memcpy(destPtr+nXDest,srcPtr+nSrcX,nWidth);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for(i=0,k=nSrcY,l=nYDest; i < nHeight; i++,k++,l++)
|
|
{
|
|
if(k < 0 || l < 0)
|
|
{
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
srcPtr = dibSrc.GetLinePtr(k)+nXDest;
|
|
destPtr = GetLinePtr(l)+nSrcX;
|
|
for(j=0; j < nWidth; j++,srcPtr++,destPtr++)
|
|
{
|
|
if(colors[*srcPtr]) *destPtr=*srcPtr;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
unsigned char *CDIB::GetLinePtr(int line)
|
|
{
|
|
/*unsigned char *ptr;
|
|
ptr = m_pBits + (height-line-1)*bytes;
|
|
return ptr;*/
|
|
return m_pLinePtr[line];
|
|
}
|
|
|
|
BOOL CDIB::CopyDIB(CDIB& dib)
|
|
{
|
|
if(Create(dib.m_pInfo->bmiHeader))
|
|
{
|
|
SetPalette(dib.m_pRGB);
|
|
memcpy(m_pBits,dib.m_pBits,height*bytes);
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
void CDIB::ReplaceColor(unsigned char oldColor,unsigned char newColor)
|
|
{
|
|
int i,j;
|
|
unsigned char *ptr;
|
|
for(i=0; i < height; i++)
|
|
{
|
|
ptr = GetLinePtr(i);
|
|
for(j=0; j < width; j++)
|
|
{
|
|
if(ptr[j] == oldColor) ptr[j] = newColor;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
CDIB& CDIB::operator=(CDIB& dib)
|
|
{
|
|
CopyDIB(dib);
|
|
return *this;
|
|
}
|
|
|
|
HANDLE CDIB::GetDIBits(int nStartX,int nStartY,int nCx,int nCy)
|
|
{
|
|
if(nStartX == -1)
|
|
{
|
|
nStartX = nStartY=0;
|
|
nCx = width;
|
|
nCy = height;
|
|
CDIB dib;
|
|
dib.Create(nCx,nCy,8);
|
|
dib.BitBlt(0,0,nCx,nCy,*this,0,0);
|
|
dib.SetPalette(m_pRGB);
|
|
return dib.DIBHandle();
|
|
}
|
|
return DIBHandle();
|
|
}
|
|
|
|
DWORD CDIB::GetDIBSize()
|
|
{
|
|
return sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD)*GetPaletteSize() + bytes*height;
|
|
}
|
|
|
|
HANDLE CDIB::DIBHandle()
|
|
{
|
|
int nSize;
|
|
HANDLE hMem;
|
|
nSize = sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD)*GetPaletteSize() + bytes*height;
|
|
hMem = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE,nSize);
|
|
if(hMem == NULL) return NULL;
|
|
UCHAR *lpVoid,*pBits;
|
|
LPBITMAPINFOHEADER pHead;
|
|
RGBQUAD *pRgb;
|
|
lpVoid = (UCHAR *)GlobalLock(hMem);
|
|
pHead = (LPBITMAPINFOHEADER )lpVoid;
|
|
memcpy(pHead,&m_pInfo->bmiHeader,sizeof(BITMAPINFOHEADER));
|
|
pRgb = (RGBQUAD *)(lpVoid + sizeof(BITMAPINFOHEADER) );
|
|
memcpy(pRgb,m_pRGB,sizeof(RGBQUAD)*GetPaletteSize());
|
|
pBits = lpVoid + sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD)*GetPaletteSize();
|
|
memcpy(pBits,m_pBits,height*bytes);
|
|
GlobalUnlock(lpVoid);
|
|
return hMem;
|
|
}
|
|
|
|
BOOL CDIB::CreateFromHandle(HANDLE hMem,int bits)
|
|
{
|
|
DestroyDIB();
|
|
UCHAR *lpVoid,*pBits;
|
|
LPBITMAPINFOHEADER pHead;
|
|
RGBQUAD *pRgb;
|
|
lpVoid = (UCHAR *)GlobalLock(hMem);
|
|
pHead = (LPBITMAPINFOHEADER )lpVoid;
|
|
width = pHead->biWidth;
|
|
height = pHead->biHeight;
|
|
m_nBits = pHead->biBitCount;
|
|
if(pHead->biCompression != BI_RGB)
|
|
{
|
|
GlobalUnlock(lpVoid);
|
|
return FALSE;
|
|
}
|
|
if(pHead->biBitCount >= 15)
|
|
{
|
|
if(pHead->biBitCount != 24)
|
|
{
|
|
GlobalUnlock(lpVoid);
|
|
return FALSE;
|
|
}
|
|
}
|
|
if(!Create(*pHead))
|
|
{
|
|
GlobalUnlock(lpVoid);
|
|
return FALSE;
|
|
}
|
|
pRgb = (RGBQUAD *)(lpVoid + sizeof(BITMAPINFOHEADER) );
|
|
memcpy(m_pRGB,pRgb,sizeof(RGBQUAD)*GetPaletteSize());
|
|
pBits = lpVoid + sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD)*GetPaletteSize();
|
|
memcpy(m_pBits,pBits,height*bytes);
|
|
GlobalUnlock(lpVoid);
|
|
return TRUE;
|
|
}
|
|
|
|
void CDIB::UseGamma(float fg,BOOL bUse)
|
|
{
|
|
m_bUseGamma = bUse;
|
|
m_fOldGamma = m_fGamma;
|
|
m_fGamma = fg;
|
|
CreateGammaCurve();
|
|
}
|
|
|
|
|
|
void CDIB::CreateGammaCurve()
|
|
{
|
|
int i;
|
|
for(i=0;i<256;++i)
|
|
{
|
|
Gamma[i]=(int)(255 * powf((double)i/255,m_fGamma) + (double)0.5);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void CDIB::GetPixel(UINT x,UINT y,int& pixel)
|
|
{
|
|
ASSERT(x < (UINT)Width());
|
|
ASSERT(y < (UINT)Height());
|
|
if(x >= (UINT)Width()) return;
|
|
if(y >= (UINT)Height()) return;
|
|
pixel=(GetLinePtr(y))[x];
|
|
}
|
|
|
|
BOOL CDIB::Make8Bit(CDIB& dib)
|
|
{
|
|
int nBits;
|
|
ASSERT(Width() == dib.Width());
|
|
ASSERT(Height() == dib.Height());
|
|
nBits = dib.GetBitCount();
|
|
switch(nBits)
|
|
{
|
|
case 1:
|
|
return SwitchFromOne(dib);
|
|
break;
|
|
case 4:
|
|
return SwitchFromFour(dib);
|
|
break;
|
|
case 8:
|
|
return SwitchPalette(dib);
|
|
break;
|
|
case 24:
|
|
return SwitchFrom24(dib);
|
|
break;
|
|
default:
|
|
return FALSE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/*
|
|
BOOL CDIB::SwitchFrom24(CDIB& dib)
|
|
{
|
|
int i,j,w,h;
|
|
unsigned char *sPtr,*dPtr;
|
|
w = Width();
|
|
h = Height();
|
|
memset(CachePtr,0,sizeof(CachePtr));
|
|
for(i=0; i < h; i++)
|
|
{
|
|
dPtr = GetLinePtr(i);
|
|
sPtr = dib.GetLinePtr(i);
|
|
for(j=0 ; j < w; j++,dPtr++,sPtr+=3)
|
|
{
|
|
*dPtr = ClosestColor((RGBQUAD *)sPtr);
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
*/
|
|
|
|
|
|
BOOL CDIB::SwitchFromOne(CDIB& dib)
|
|
{
|
|
int i,j,w,h;
|
|
unsigned char *sPtr,*dPtr;
|
|
unsigned char cols[2];
|
|
w = Width();
|
|
h = Height();
|
|
memset(CachePtr,0,sizeof(CachePtr));
|
|
cols[0]=ClosestColor(dib.m_pRGB);
|
|
cols[1]=ClosestColor(dib.m_pRGB+1);
|
|
for(i=0; i < h; i++)
|
|
{
|
|
dPtr = GetLinePtr(i);
|
|
sPtr = dib.GetLinePtr(i);
|
|
for(j=0 ; j < w; j++,dPtr++)
|
|
{
|
|
if(!(sPtr[j>>3] & masktable[j&7])) *dPtr = cols[0];
|
|
else *dPtr = cols[1];
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL CDIB::SwitchFromFour(CDIB& dib)
|
|
{
|
|
int i,n,j,w,h;
|
|
unsigned char *sPtr,*dPtr;
|
|
unsigned char cols[16];
|
|
w = Width();
|
|
h = Height();
|
|
memset(CachePtr,0,sizeof(CachePtr));
|
|
for(i=0; i < 16; i++)
|
|
{
|
|
cols[i]=ClosestColor(dib.m_pRGB+i);
|
|
}
|
|
for(i=0; i < h; i++)
|
|
{
|
|
dPtr = GetLinePtr(i);
|
|
sPtr = dib.GetLinePtr(i);
|
|
for(j=0 ; j < w; j++,dPtr++)
|
|
{
|
|
if(!(j&1)) n = (*sPtr & 0xf0)>>4;
|
|
else
|
|
{
|
|
n = *sPtr & 0x0f;
|
|
sPtr++;
|
|
}
|
|
*dPtr = cols[n];
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL CDIB::SwitchPalette(CDIB& dib)
|
|
{
|
|
int i,j,w,h;
|
|
unsigned char *sPtr,*dPtr;
|
|
unsigned char cols[256];
|
|
w = Width();
|
|
h = Height();
|
|
memset(CachePtr,0,sizeof(CachePtr));
|
|
for(i=0; i < 256; i++)
|
|
{
|
|
cols[i]=ClosestColor(dib.m_pRGB+i);
|
|
}
|
|
for(i=0; i < h; i++)
|
|
{
|
|
dPtr = GetLinePtr(i);
|
|
sPtr = dib.GetLinePtr(i);
|
|
for(j=0 ; j < w; j++,sPtr++,dPtr++)
|
|
{
|
|
*dPtr = cols[*sPtr];
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
int CDIB::ClosestColor(RGBQUAD *pRgb)
|
|
{
|
|
unsigned int dist=BIG_DISTANCE,i,d,c;
|
|
RGBQUAD *pQuad=m_pRGB;
|
|
unsigned int pSize=GetPaletteSize();
|
|
for(i=0; i < pSize;i++)
|
|
{
|
|
if(CachePtr[i])
|
|
{
|
|
if(!memcmp((void *)&CacheQuad[i],(void *)pRgb,3))
|
|
{
|
|
return i;
|
|
}
|
|
}
|
|
}
|
|
for(i=0; i < pSize; i++,pQuad++)
|
|
{
|
|
d = Distance(*pRgb,*pQuad);
|
|
if(!d)
|
|
{
|
|
CacheQuad[i]=*pRgb;
|
|
CachePtr[i]=1;
|
|
return i;
|
|
}
|
|
if(dist > d)
|
|
{
|
|
c = i;
|
|
dist = d;
|
|
}
|
|
}
|
|
CacheQuad[c]=*pRgb;
|
|
CachePtr[c]=1;
|
|
return c;
|
|
}
|
|
|
|
unsigned int CDIB::Distance(RGBQUAD& rgb1,RGBQUAD& rgb2)
|
|
{
|
|
unsigned int d;
|
|
d = 3*(unsigned)((rgb1.rgbRed)-(rgb2.rgbRed))*(unsigned)((rgb1.rgbRed)-(rgb2.rgbRed));
|
|
d += 4*(unsigned)((rgb1.rgbGreen)-(rgb2.rgbGreen))*(unsigned)((rgb1.rgbGreen)-(rgb2.rgbGreen)) ;
|
|
d += 2*(unsigned)((rgb1.rgbBlue)-(rgb2.rgbBlue))*(unsigned)((rgb1.rgbBlue)-(rgb2.rgbBlue));
|
|
return d;
|
|
}
|
|
|
|
BOOL CDIB::OpenDIB(CString& csFileName)
|
|
{
|
|
CFile file;
|
|
if(!file.Open(csFileName,CFile::modeRead | CFile::typeBinary))
|
|
{
|
|
return FALSE;
|
|
}
|
|
file.Close();
|
|
if(OpenBMP(csFileName)) return TRUE;
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
|
|
BOOL CDIB::SaveDIB(CString& csFileName,BitmapType type)
|
|
{
|
|
CFile file;
|
|
if(!file.Open(csFileName,CFile::modeCreate | CFile::typeBinary))
|
|
{
|
|
return FALSE;
|
|
}
|
|
file.Close();
|
|
switch(type)
|
|
{
|
|
case BMP:
|
|
return SaveBMP(csFileName);
|
|
default:
|
|
return FALSE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
BOOL CDIB::SaveBMP(CString& csFileName)
|
|
{
|
|
BITMAPFILEHEADER bFile;
|
|
CFile file;
|
|
if(!file.Open(csFileName,CFile::modeWrite | CFile::typeBinary))
|
|
{
|
|
return FALSE;
|
|
}
|
|
::ZeroMemory(&bFile,sizeof(bFile));
|
|
memcpy((void *)&bFile.bfType,"BM",2);
|
|
bFile.bfSize = GetDIBSize() + sizeof(bFile);
|
|
bFile.bfOffBits = sizeof(BITMAPINFOHEADER) + GetPaletteSize()*sizeof(RGBQUAD) + sizeof(BITMAPFILEHEADER);
|
|
file.Write(&bFile,sizeof(bFile));
|
|
file.Write(m_pVoid,GetDIBSize());
|
|
file.Close();
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
BOOL CDIB::OpenBMP(CString& csFileName)
|
|
{
|
|
BITMAPFILEHEADER bFile;
|
|
BITMAPINFOHEADER head;
|
|
CFile file;
|
|
if(!file.Open(csFileName,CFile::modeRead | CFile::typeBinary))
|
|
{
|
|
return FALSE;
|
|
}
|
|
file.Read(&bFile,sizeof(bFile));
|
|
if(memcmp((void *)&bFile.bfType,"BM",2))
|
|
{
|
|
file.Close();
|
|
return FALSE;
|
|
}
|
|
file.Read(&head,sizeof(head));
|
|
if(!Create(head))
|
|
{
|
|
file.Close();
|
|
return FALSE;
|
|
}
|
|
file.Read(m_pRGB,sizeof(RGBQUAD)*GetPaletteSize());
|
|
file.Seek(bFile.bfOffBits,CFile::begin);
|
|
file.Read(m_pBits,height*bytes);
|
|
file.Close();
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
int CDIB::CountColors()
|
|
{
|
|
ASSERT(GetBitCount()==8);
|
|
BYTE colors[256],*ptr;
|
|
int nNum=0,i,j,w,d;
|
|
w = Width();
|
|
d = Height();
|
|
memset(colors,0,256);
|
|
for(i=0; i < d; i++)
|
|
{
|
|
ptr = GetLinePtr(i);
|
|
for(j=0; j < w; j++,ptr++)
|
|
{
|
|
if(!colors[*ptr])
|
|
{
|
|
colors[*ptr]=1;
|
|
nNum++;
|
|
}
|
|
}
|
|
}
|
|
return nNum;
|
|
}
|
|
|
|
int CDIB::EnumColors(BYTE *array)
|
|
{
|
|
ASSERT(GetBitCount()==8);
|
|
BYTE *ptr;
|
|
int nNum=0,i,j,w,d;
|
|
w = Width();
|
|
d = Height();
|
|
memset(array,0,256);
|
|
for(i=0; i < d; i++)
|
|
{
|
|
ptr = GetLinePtr(i);
|
|
for(j=0; j < w; j++,ptr++)
|
|
{
|
|
if(!array[*ptr])
|
|
{
|
|
array[*ptr]=1;
|
|
nNum++;
|
|
}
|
|
}
|
|
}
|
|
return nNum;
|
|
}
|
|
|
|
COLORREF CDIB::PaletteColor(int nIndex)
|
|
{
|
|
ASSERT(nIndex < 256);
|
|
RGBQUAD *pRGB= m_pRGB+nIndex;
|
|
return RGB(pRGB->rgbRed,pRGB->rgbGreen,pRGB->rgbBlue);
|
|
}
|
|
|
|
BOOL CDIB::SwitchFrom24(CDIB& dib)
|
|
{
|
|
int i,j,w,h,c;
|
|
unsigned char *sPtr,*dPtr;
|
|
BYTE *index_ptr=NULL;
|
|
RGBQUAD rgb;
|
|
w = Width();
|
|
h = Height();
|
|
index_ptr = (BYTE *)malloc(0x7FFF+1);
|
|
if(!index_ptr) return FALSE;
|
|
memset(CachePtr,0,sizeof(CachePtr));
|
|
for(i=0; i <= 0x7FFF; i++)
|
|
{
|
|
rgb.rgbRed = (((i & 0x7C00)>>10) << 3) | 0x07;
|
|
rgb.rgbGreen = (((i & 0x3e0)>>5) << 3) | 0x07;
|
|
rgb.rgbBlue = ((i & 0x1F)<<3) | 0x07;
|
|
index_ptr[i] = ClosestColor(&rgb);
|
|
}
|
|
for(i=0; i < h; i++)
|
|
{
|
|
dPtr = GetLinePtr(i);
|
|
sPtr = dib.GetLinePtr(i);
|
|
for(j=0 ; j < w; j++,dPtr++,sPtr+=3)
|
|
{
|
|
c = (*sPtr >> 3) | ((*(sPtr+1) >> 3) << 5) | ((*(sPtr+2) >> 3) << 10);
|
|
*dPtr = index_ptr[c];
|
|
}
|
|
}
|
|
free(index_ptr);
|
|
return TRUE;
|
|
}
|