| 1 | /* |
| 2 | * Texture Filtering |
| 3 | * Version: 1.0 |
| 4 | * |
| 5 | * Copyright (C) 2007 Hiroshi Morii All Rights Reserved. |
| 6 | * Email koolsmoky(at)users.sourceforge.net |
| 7 | * Web http://www.3dfxzone.it/koolsmoky |
| 8 | * |
| 9 | * this is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2, or (at your option) |
| 12 | * any later version. |
| 13 | * |
| 14 | * this is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with GNU Make; see the file COPYING. If not, write to |
| 21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
| 22 | */ |
| 23 | |
| 24 | #ifndef __TXIMAGE_H__ |
| 25 | #define __TXIMAGE_H__ |
| 26 | |
| 27 | #include <stdio.h> |
| 28 | #include <png.h> |
| 29 | #include "TxInternal.h" |
| 30 | |
| 31 | #ifndef WIN32 |
| 32 | typedef struct tagBITMAPFILEHEADER { |
| 33 | uint16_t bfType; |
| 34 | uint32_t bfSize; |
| 35 | uint16_t bfReserved1; |
| 36 | uint16_t bfReserved2; |
| 37 | uint32_t bfOffBits; |
| 38 | } BITMAPFILEHEADER; |
| 39 | |
| 40 | typedef struct tagBITMAPINFOHEADER { |
| 41 | uint32_t biSize; |
| 42 | int32_t biWidth; |
| 43 | int32_t biHeight; |
| 44 | uint16_t biPlanes; |
| 45 | uint16_t biBitCount; |
| 46 | uint32_t biCompression; |
| 47 | uint32_t biSizeImage; |
| 48 | uint32_t biXPelsPerMeter; |
| 49 | uint32_t biYPelsPerMeter; |
| 50 | uint32_t biClrUsed; |
| 51 | uint32_t biClrImportant; |
| 52 | } BITMAPINFOHEADER; |
| 53 | #else |
| 54 | typedef struct tagBITMAPFILEHEADER BITMAPFILEHEADER; |
| 55 | typedef struct tagBITMAPINFOHEADER BITMAPINFOHEADER; |
| 56 | #endif |
| 57 | |
| 58 | #define DDSD_CAPS 0x00000001 |
| 59 | #define DDSD_HEIGHT 0x00000002 |
| 60 | #define DDSD_WIDTH 0x00000004 |
| 61 | #define DDSD_PITCH 0x00000008 |
| 62 | #define DDSD_PIXELFORMAT 0x00001000 |
| 63 | #define DDSD_MIPMAPCOUNT 0x00020000 |
| 64 | #define DDSD_LINEARSIZE 0x00080000 |
| 65 | #define DDSD_DEPTH 0x00800000 |
| 66 | |
| 67 | #define DDPF_ALPHAPIXELS 0x00000001 |
| 68 | #define DDPF_FOURCC 0x00000004 |
| 69 | #define DDPF_RGB 0x00000040 |
| 70 | |
| 71 | #define DDSCAPS_COMPLEX 0x00000008 |
| 72 | #define DDSCAPS_TEXTURE 0x00001000 |
| 73 | #define DDSCAPS_MIPMAP 0x00400000 |
| 74 | |
| 75 | typedef struct tagDDSPIXELFORMAT { |
| 76 | uint32_t dwSize; |
| 77 | uint32_t dwFlags; |
| 78 | uint32_t dwFourCC; |
| 79 | uint32_t dwRGBBitCount; |
| 80 | uint32_t dwRBitMask; |
| 81 | uint32_t dwGBitMask; |
| 82 | uint32_t dwBBitMask; |
| 83 | uint32_t dwRGBAlphaBitMask; |
| 84 | } DDSPIXELFORMAT; |
| 85 | |
| 86 | typedef struct tagDDSFILEHEADER { |
| 87 | uint32_t dwMagic; |
| 88 | uint32_t dwSize; |
| 89 | uint32_t dwFlags; |
| 90 | uint32_t dwHeight; |
| 91 | uint32_t dwWidth; |
| 92 | uint32_t dwLinearSize; |
| 93 | uint32_t dwDepth; |
| 94 | uint32_t dwMipMapCount; |
| 95 | uint32_t dwReserved1[11]; |
| 96 | DDSPIXELFORMAT ddpf; |
| 97 | uint32_t dwCaps1; |
| 98 | uint32_t dwCaps2; |
| 99 | } DDSFILEHEADER; |
| 100 | |
| 101 | class TxImage |
| 102 | { |
| 103 | private: |
| 104 | boolean getPNGInfo(FILE *fp, png_structp *png_ptr, png_infop *info_ptr); |
| 105 | boolean getBMPInfo(FILE *fp, BITMAPFILEHEADER *bmp_fhdr, BITMAPINFOHEADER *bmp_ihdr); |
| 106 | boolean getDDSInfo(FILE *fp, DDSFILEHEADER *dds_fhdr); |
| 107 | public: |
| 108 | TxImage() {} |
| 109 | ~TxImage() {} |
| 110 | uint8* readPNG(FILE* fp, int* width, int* height, uint16* format); |
| 111 | boolean writePNG(uint8* src, FILE* fp, int width, int height, int rowStride, uint16 format, uint8 *palette); |
| 112 | uint8* readBMP(FILE* fp, int* width, int* height, uint16* format); |
| 113 | uint8* readDDS(FILE* fp, int* width, int* height, uint16* format); |
| 114 | }; |
| 115 | |
| 116 | #endif /* __TXIMAGE_H__ */ |