98e75f2d |
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__ */ |