The Quake III Arena sources as originally released under the GPL license on August 20, 2005.

q3radiant/BMP.H

@@ -0,0 +1,101 @@
+/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+
+This file is part of Quake III Arena source code.
+
+Quake III Arena source code is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+Quake III Arena source code is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Foobar; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+===========================================================================
+*/
+#ifndef _BMP_H
+#define _BMP_H
+
+#define xBI_NONE  0
+#define xBI_RGB   0
+#define xBI_RLE4  2
+#define xBI_RLE8  1
+
+#define BMP_SIGNATURE_WORD  0x4d42
+
+#pragma pack(1)
+
+
+
+typedef struct {
+    unsigned short    bfType;       // signature - 'BM'
+    unsigned long     bfSize;       // file size in bytes
+    unsigned short    bfReserved1;  // 0
+    unsigned short    bfReserved2;  // 0
+    unsigned long     bfOffBits;    // offset to bitmap
+} bmphd_t;
+
+
+
+typedef struct {
+    unsigned long     biSize;       // size of this struct
+    long              biWidth;      // bmap width in pixels
+    long              biHeight;     // bmap height in pixels
+    unsigned short    biPlanes;     // num planes - always 1
+    unsigned short    biBitCount;   // bits perpixel
+    unsigned long     biCompression; // compression flag
+    unsigned long     biSizeImage;   // image size in bytes
+    long              biXPelsPerMeter; // horz resolution
+    long              biYPelsPerMeter; // vert resolution
+    unsigned long     biClrUsed;       // 0 -> color table size
+    unsigned long     biClrImportant;  // important color count
+} binfo_t;
+
+
+typedef struct {
+    unsigned char blue;
+    unsigned char green;
+    unsigned char red;
+    unsigned char reserved;
+} drgb_t;
+
+
+// quake expects its palette to be bgr
+// this is totally backwards but what can you do
+typedef struct {
+    unsigned char r;
+    unsigned char g;
+    unsigned char b;
+} rgb_t;
+
+
+typedef struct {
+    unsigned char b;
+    unsigned char g;
+    unsigned char r;
+} bgr_t;
+
+
+typedef struct {
+	int            bpp;        // bits per pixel
+    int            width;
+    int            height;
+    unsigned char *data;
+    rgb_t         *palette;
+} bitmap_t;
+
+
+void  LoadBMP(char *filename, bitmap_t *bit);
+void FreeBMP(bitmap_t *bitmap);
+void WriteBMP(char *filename, bitmap_t *bit);
+void NewBMP(int width, int height, int bpp, bitmap_t *bit);
+
+
+
+#endif