117 lines
3.4 KiB
C
117 lines
3.4 KiB
C
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/*
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* Texture Filtering
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* Version: 1.0
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*
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* Copyright (C) 2007 Hiroshi Morii All Rights Reserved.
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* Email koolsmoky(at)users.sourceforge.net
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* Web http://www.3dfxzone.it/koolsmoky
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*
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* this 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 2, or (at your option)
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* any later version.
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*
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* this 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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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __TXIMAGE_H__
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#define __TXIMAGE_H__
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#include <stdio.h>
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#include <png/png.h>
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#include "TxInternal.h"
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#ifndef WIN32
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typedef struct tagBITMAPFILEHEADER {
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unsigned short bfType;
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unsigned long bfSize;
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unsigned short bfReserved1;
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unsigned short bfReserved2;
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unsigned long bfOffBits;
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} BITMAPFILEHEADER;
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typedef struct tagBITMAPINFOHEADER {
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unsigned long biSize;
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long biWidth;
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long biHeight;
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unsigned short biPlanes;
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unsigned short biBitCount;
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unsigned long biCompression;
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unsigned long biSizeImage;
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long biXPelsPerMeter;
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long biYPelsPerMeter;
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unsigned long biClrUsed;
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unsigned long biClrImportant;
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} BITMAPINFOHEADER;
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#else
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typedef struct tagBITMAPFILEHEADER BITMAPFILEHEADER;
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typedef struct tagBITMAPINFOHEADER BITMAPINFOHEADER;
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#endif
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#define DDSD_CAPS 0x00000001
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#define DDSD_HEIGHT 0x00000002
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#define DDSD_WIDTH 0x00000004
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#define DDSD_PITCH 0x00000008
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#define DDSD_PIXELFORMAT 0x00001000
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#define DDSD_MIPMAPCOUNT 0x00020000
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#define DDSD_LINEARSIZE 0x00080000
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#define DDSD_DEPTH 0x00800000
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#define DDPF_ALPHAPIXELS 0x00000001
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#define DDPF_FOURCC 0x00000004
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#define DDPF_RGB 0x00000040
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#define DDSCAPS_COMPLEX 0x00000008
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#define DDSCAPS_TEXTURE 0x00001000
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#define DDSCAPS_MIPMAP 0x00400000
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typedef struct tagDDSPIXELFORMAT {
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unsigned long dwSize;
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unsigned long dwFlags;
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unsigned long dwFourCC;
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unsigned long dwRGBBitCount;
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unsigned long dwRBitMask;
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unsigned long dwGBitMask;
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unsigned long dwBBitMask;
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unsigned long dwRGBAlphaBitMask;
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} DDSPIXELFORMAT;
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typedef struct tagDDSFILEHEADER {
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unsigned long dwMagic;
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unsigned long dwSize;
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unsigned long dwFlags;
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unsigned long dwHeight;
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unsigned long dwWidth;
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unsigned long dwLinearSize;
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unsigned long dwDepth;
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unsigned long dwMipMapCount;
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unsigned long dwReserved1[11];
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DDSPIXELFORMAT ddpf;
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unsigned long dwCaps1;
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unsigned long dwCaps2;
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} DDSFILEHEADER;
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class TxImage
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{
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private:
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boolean getPNGInfo(FILE *fp, png_structp *png_ptr, png_infop *info_ptr);
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boolean getBMPInfo(FILE *fp, BITMAPFILEHEADER *bmp_fhdr, BITMAPINFOHEADER *bmp_ihdr);
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boolean getDDSInfo(FILE *fp, DDSFILEHEADER *dds_fhdr);
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public:
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TxImage() {}
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~TxImage() {}
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uint8* readPNG(FILE* fp, int* width, int* height, uint16* format);
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boolean writePNG(uint8* src, FILE* fp, int width, int height, int rowStride, uint16 format, uint8 *palette);
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uint8* readBMP(FILE* fp, int* width, int* height, uint16* format);
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uint8* readDDS(FILE* fp, int* width, int* height, uint16* format);
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};
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#endif /* __TXIMAGE_H__ */
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