-/*\r
-Copyright (C) 1999-2007 id Software, Inc. and contributors.\r
-For a list of contributors, see the accompanying CONTRIBUTORS file.\r
-\r
-This file is part of GtkRadiant.\r
-\r
-GtkRadiant is free software; you can redistribute it and/or modify\r
-it under the terms of the GNU General Public License as published by\r
-the Free Software Foundation; either version 2 of the License, or\r
-(at your option) any later version.\r
-\r
-GtkRadiant is distributed in the hope that it will be useful,\r
-but WITHOUT ANY WARRANTY; without even the implied warranty of\r
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
-GNU General Public License for more details.\r
-\r
-You should have received a copy of the GNU General Public License\r
-along with GtkRadiant; if not, write to the Free Software\r
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA\r
-*/\r
-\r
-#include <stdio.h>\r
-#include <string.h>\r
-#include <glib.h>\r
-#include "bmp.h"\r
-\r
-#include "image.h"\r
-\r
-static void BMPLineNone(FILE *f, char *sline, int pixbytes, int width)\r
-{\r
- int nbytes, i, k, j;\r
-\r
- switch (pixbytes)\r
- {\r
- case 1 :\r
- nbytes = (width + 3) / 4;\r
- nbytes *= 4;\r
-\r
- fread(sline, width, 1, f);\r
- nbytes -= width;\r
-\r
- while (nbytes-- > 0) fgetc(f);\r
- return;\r
-\r
- case 3 :\r
- nbytes = ((width * 3) + 3) / 4;\r
- nbytes *= 4;\r
-\r
- fread(sline, width, 3, f);\r
- nbytes -= width * 3;\r
-\r
- while (nbytes-- > 0) fgetc(f);\r
-\r
- // reorder bgr to rgb\r
- for (i = 0, j = 0; i < width; i++, j += 3)\r
- {\r
- k = sline[j];\r
- sline[j] = sline[j+2];\r
- sline[j+2] = k;\r
- }\r
-\r
- return;\r
- }\r
-\r
- Error("BMPLineNone failed.");\r
-}\r
-\r
-\r
-static void BMPLineRLE8(FILE *f, char *sline, int pixbytes, int width)\r
-{\r
- Error("RLE8 not yet supported.");\r
-}\r
-\r
-\r
-static void BMPLineRLE4(FILE *f, char *sline, int pixbytes, int width)\r
-{\r
- Error("RLE4 not yet supported.");\r
-}\r
-\r
-\r
-static void BMPLine(FILE *f, char *scanline, int pixbytes, int width, int rle)\r
-{\r
- switch (rle)\r
- {\r
- case xBI_NONE : BMPLineNone(f, scanline, pixbytes, width); return;\r
- case xBI_RLE8 : BMPLineRLE8(f, scanline, pixbytes, width); return;\r
- case xBI_RLE4 : BMPLineRLE4(f, scanline, pixbytes, width); return;\r
- }\r
-\r
- Error("Unknown compression type.");\r
-}\r
-\r
-\r
-/*\r
-static void PrintHeader(binfo_t *b)\r
-{\r
- printf("biSize : %ld\n", b->biSize);\r
- printf("biWidth : %ld\n", b->biWidth);\r
- printf("biHeight : %ld\n", b->biHeight);\r
- printf("biPlanes : %d\n", b->biPlanes);\r
- printf("biBitCount : %d\n", b->biBitCount);\r
- printf("biCompression : %ld\n", b->biCompression);\r
- printf("biSizeImage : %ld\n", b->biSizeImage);\r
- printf("biXPelsPerMeter: %ld\n", b->biXPelsPerMeter);\r
- printf("biYPelsPerMeter: %ld\n", b->biYPelsPerMeter);\r
- printf("biClrUsed : %ld\n", b->biClrUsed);\r
- printf("biClrImportant : %ld\n", b->biClrImportant);\r
-}\r
-*/\r
-\r
-// FIXME: calls to Error(const char *, ... ) are dependant on qe3.cpp\r
-void LoadBMP(char *filename, bitmap_t *bit)\r
-{\r
- FILE *f;\r
- bmphd_t bhd;\r
- binfo_t info;\r
- // int pxlsize = 1;\r
- int rowbytes, i, pixbytes;\r
- char *scanline;\r
-\r
- // open file\r
- if ((f = fopen(filename, "rb")) == NULL)\r
- {\r
- Error("Unable to open file");// %s.", filename);\r
- }\r
-\r
- // read in bitmap header\r
- if (fread(&bhd, sizeof(bhd), 1, f) != 1)\r
- {\r
- fclose(f);\r
- Error("Unable to read in bitmap header.");\r
- }\r
-\r
- // make sure we have a valid bitmap file\r
- if (bhd.bfType != BMP_SIGNATURE_WORD)\r
- {\r
- fclose(f);\r
- Error("Invalid BMP file");//: %s", filename);\r
- }\r
-\r
- // load in info header\r
- if (fread(&info, sizeof(info), 1, f) != 1)\r
- {\r
- fclose(f);\r
- Error("Unable to read bitmap info header.");\r
- }\r
-\r
- // make sure this is an info type of bitmap\r
- if (info.biSize != sizeof(binfo_t))\r
- {\r
- fclose(f);\r
- Error("We only support the info bitmap type.");\r
- }\r
-\r
- // PrintHeader(&info);\r
-\r
- bit->bpp = info.biBitCount;\r
- bit->width = info.biWidth;\r
- bit->height = info.biHeight;\r
- bit->data = NULL;\r
- bit->palette = NULL;\r
-\r
- //currently we only read in 8 and 24 bit bmp files\r
- if (info.biBitCount == 8) pixbytes = 1;\r
- else if (info.biBitCount == 24) pixbytes = 3;\r
- else\r
- {\r
- Error("Only 8BPP and 24BPP supported");\r
- //Error("BPP %d not supported.", info.biBitCount);\r
- }\r
-\r
- // if this is an eight bit image load palette\r
- if (pixbytes == 1)\r
- {\r
- drgb_t q;\r
-\r
- bit->palette = reinterpret_cast<rgb_t*>(g_malloc(sizeof(rgb_t) * 256));\r
-\r
- for (i = 0; i < 256; i++)\r
- {\r
- if (fread(&q, sizeof(drgb_t), 1, f) != 1)\r
- {\r
- fclose(f); g_free(bit->palette);\r
- Error("Unable to read palette.");\r
- }\r
-\r
- bit->palette[i].r = q.red;\r
- bit->palette[i].g = q.green;\r
- bit->palette[i].b = q.blue;\r
- }\r
- }\r
-\r
- // position to start of bitmap\r
- fseek(f, bhd.bfOffBits, SEEK_SET);\r
-\r
- // create scanline to read data into\r
- rowbytes = ((info.biWidth * pixbytes) + 3) / 4;\r
- rowbytes *= 4;\r
-\r
- scanline = reinterpret_cast<char*>(g_malloc(rowbytes));\r
-\r
- // alloc space for new bitmap\r
- bit->data = reinterpret_cast<unsigned char*>(g_malloc(info.biWidth * pixbytes * info.biHeight));\r
-\r
- // read in image\r
- for (i = 0; i < info.biHeight; i++)\r
- {\r
- BMPLine(f, scanline, pixbytes, info.biWidth, info.biCompression);\r
-\r
- // store line\r
- memcpy(&bit->data[info.biWidth * pixbytes * (info.biHeight - i - 1)], scanline, info.biWidth * pixbytes);\r
- }\r
-\r
- g_free(scanline);\r
- fclose(f);\r
-}\r
-\r
-\r
-\r
-static void BMPEncodeLine(FILE *f, unsigned char *data, int npxls, int pixbytes)\r
-{\r
- int nbytes, i, j, k;\r
-\r
- switch (pixbytes)\r
- {\r
- case 1 :\r
- nbytes = (npxls + 3) / 4;\r
- nbytes *= 4;\r
-\r
- fwrite(data, npxls, 1, f);\r
- nbytes -= npxls;\r
-\r
- while (nbytes-- > 0) fputc(0, f);\r
- return;\r
-\r
- case 3 :\r
- // reorder rgb to bgr\r
- for (i = 0, j = 0; i < npxls; i++, j+= 3)\r
- {\r
- k = data[j];\r
- data[j] = data[j + 2];\r
- data[j + 2] = k;\r
- }\r
-\r
- nbytes = ((npxls * 3) + 3) / 4;\r
- nbytes *= 4;\r
-\r
- fwrite(data, npxls, 3, f);\r
- nbytes -= npxls * 3;\r
-\r
- while (nbytes-- > 0) fputc(0, f);\r
- return;\r
- }\r
-\r
- Error("BMPEncodeLine Failed.");\r
-}\r
-\r
-\r
-\r
-void WriteBMP(char *filename, bitmap_t *bit)\r
-{\r
- FILE *f;\r
- bmphd_t header;\r
- binfo_t info;\r
- drgb_t q; // palette that gets written\r
- long bmofs;\r
- int w, h, i;\r
- int pixbytes;\r
-\r
- if (bit->bpp == 8) pixbytes = 1;\r
- else if (bit->bpp == 24) pixbytes = 3;\r
-\r
- else\r
- {\r
- Error("Only 8BPP and 24BPP supported");\r
- //Error("BPP %d not supported.", bit->bpp);\r
- }\r
-\r
-\r
- if ((f = fopen(filename, "wb")) == NULL)\r
- {\r
- Error("Unable to open file");//%s.", filename);\r
- }\r
-\r
- // write out an empty header as a place holder\r
- if (fwrite(&header, sizeof(header), 1, f) != 1)\r
- {\r
- Error("Unable to fwrite.");\r
- }\r
-\r
- // init and write info header\r
- info.biSize = sizeof(binfo_t);\r
- info.biWidth = bit->width;\r
- info.biHeight = bit->height;\r
- info.biPlanes = 1;\r
- info.biBitCount = bit->bpp;\r
- info.biCompression = xBI_NONE;\r
- info.biSizeImage = bit->width * bit->height;\r
- info.biXPelsPerMeter = 0;\r
- info.biYPelsPerMeter = 0;\r
- info.biClrUsed = 256;\r
- info.biClrImportant = 256;\r
-\r
- if (fwrite(&info, sizeof(binfo_t), 1, f) != 1)\r
- {\r
- Error("fwrite failed.");\r
- }\r
-\r
- // write out palette if we need to\r
- if (bit->bpp == 8)\r
- {\r
- for (i = 0; i < 256; i++)\r
- {\r
- q.red = bit->palette[i].r;\r
- q.green = bit->palette[i].g;\r
- q.blue = bit->palette[i].b;\r
-\r
- fwrite(&q, sizeof(q), 1, f);\r
- }\r
- }\r
-\r
- // save offset to start of bitmap\r
- bmofs = ftell(f);\r
-\r
- // output bitmap\r
- w = bit->width;\r
- h = bit->height;\r
-\r
- for (i = h - 1; i >= 0; i--)\r
- {\r
- BMPEncodeLine(f, &bit->data[w * pixbytes * i], w, pixbytes);\r
- }\r
-\r
- // update and rewrite file header\r
- header.bfType = BMP_SIGNATURE_WORD;\r
- header.bfSize = ftell(f);\r
- header.bfOffBits = bmofs;\r
-\r
- fseek(f, 0L, SEEK_SET);\r
- fwrite(&header, sizeof(header), 1, f);\r
-\r
- fclose(f);\r
-}\r
-\r
-\r
-void NewBMP(int width, int height, int bpp, bitmap_t *bit)\r
-{\r
- int pixbytes;\r
-\r
- if (bpp == 8) pixbytes = 1;\r
- else if (bpp == 24) pixbytes = 3;\r
-\r
- else\r
- {\r
- Error("NewBMP: 8 or 24 bit only.");\r
- }\r
-\r
- bit->bpp = bpp;\r
- bit->width = width;\r
- bit->height = height;\r
-\r
- bit->data = reinterpret_cast<unsigned char*>(g_malloc(width * height * pixbytes));\r
-\r
- if (bit->data == NULL)\r
- {\r
- Error("NewBMP: g_malloc failed.");\r
- }\r
-\r
- // see if we need to create a palette\r
- if (pixbytes == 1)\r
- {\r
- bit->palette = (rgb_t *) g_malloc(768);\r
-\r
- if (bit->palette == NULL)\r
- {\r
- Error("NewBMP: unable to g_malloc palette.");\r
- }\r
- }\r
- else\r
- {\r
- bit->palette = NULL;\r
- }\r
-}\r
-\r
-\r
-\r
-void FreeBMP(bitmap_t *bitmap)\r
-{\r
- if (bitmap->palette)\r
- {\r
- g_free(bitmap->palette);\r
- bitmap->palette = NULL;\r
- }\r
-\r
- if (bitmap->data)\r
- {\r
- g_free(bitmap->data);\r
- bitmap->data = NULL;\r
- }\r
-}\r
-\r
-\r
+/*
+Copyright (C) 1999-2007 id Software, Inc. and contributors.
+For a list of contributors, see the accompanying CONTRIBUTORS file.
+
+This file is part of GtkRadiant.
+
+GtkRadiant 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.
+
+GtkRadiant 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 GtkRadiant; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+#include <stdio.h>
+#include <string.h>
+#include <glib.h>
+#include "bmp.h"
+
+#include "image.h"
+
+static void BMPLineNone(FILE *f, char *sline, int pixbytes, int width)
+{
+ int nbytes, i, k, j;
+
+ switch (pixbytes)
+ {
+ case 1 :
+ nbytes = (width + 3) / 4;
+ nbytes *= 4;
+
+ fread(sline, width, 1, f);
+ nbytes -= width;
+
+ while (nbytes-- > 0) fgetc(f);
+ return;
+
+ case 3 :
+ nbytes = ((width * 3) + 3) / 4;
+ nbytes *= 4;
+
+ fread(sline, width, 3, f);
+ nbytes -= width * 3;
+
+ while (nbytes-- > 0) fgetc(f);
+
+ // reorder bgr to rgb
+ for (i = 0, j = 0; i < width; i++, j += 3)
+ {
+ k = sline[j];
+ sline[j] = sline[j+2];
+ sline[j+2] = k;
+ }
+
+ return;
+ }
+
+ Error("BMPLineNone failed.");
+}
+
+
+static void BMPLineRLE8(FILE *f, char *sline, int pixbytes, int width)
+{
+ Error("RLE8 not yet supported.");
+}
+
+
+static void BMPLineRLE4(FILE *f, char *sline, int pixbytes, int width)
+{
+ Error("RLE4 not yet supported.");
+}
+
+
+static void BMPLine(FILE *f, char *scanline, int pixbytes, int width, int rle)
+{
+ switch (rle)
+ {
+ case xBI_NONE : BMPLineNone(f, scanline, pixbytes, width); return;
+ case xBI_RLE8 : BMPLineRLE8(f, scanline, pixbytes, width); return;
+ case xBI_RLE4 : BMPLineRLE4(f, scanline, pixbytes, width); return;
+ }
+
+ Error("Unknown compression type.");
+}
+
+
+/*
+static void PrintHeader(binfo_t *b)
+{
+ printf("biSize : %ld\n", b->biSize);
+ printf("biWidth : %ld\n", b->biWidth);
+ printf("biHeight : %ld\n", b->biHeight);
+ printf("biPlanes : %d\n", b->biPlanes);
+ printf("biBitCount : %d\n", b->biBitCount);
+ printf("biCompression : %ld\n", b->biCompression);
+ printf("biSizeImage : %ld\n", b->biSizeImage);
+ printf("biXPelsPerMeter: %ld\n", b->biXPelsPerMeter);
+ printf("biYPelsPerMeter: %ld\n", b->biYPelsPerMeter);
+ printf("biClrUsed : %ld\n", b->biClrUsed);
+ printf("biClrImportant : %ld\n", b->biClrImportant);
+}
+*/
+
+// FIXME: calls to Error(const char *, ... ) are dependant on qe3.cpp
+void LoadBMP(char *filename, bitmap_t *bit)
+{
+ FILE *f;
+ bmphd_t bhd;
+ binfo_t info;
+ // int pxlsize = 1;
+ int rowbytes, i, pixbytes;
+ char *scanline;
+
+ // open file
+ if ((f = fopen(filename, "rb")) == NULL)
+ {
+ Error("Unable to open file");// %s.", filename);
+ }
+
+ // read in bitmap header
+ if (fread(&bhd, sizeof(bhd), 1, f) != 1)
+ {
+ fclose(f);
+ Error("Unable to read in bitmap header.");
+ }
+
+ // make sure we have a valid bitmap file
+ if (bhd.bfType != BMP_SIGNATURE_WORD)
+ {
+ fclose(f);
+ Error("Invalid BMP file");//: %s", filename);
+ }
+
+ // load in info header
+ if (fread(&info, sizeof(info), 1, f) != 1)
+ {
+ fclose(f);
+ Error("Unable to read bitmap info header.");
+ }
+
+ // make sure this is an info type of bitmap
+ if (info.biSize != sizeof(binfo_t))
+ {
+ fclose(f);
+ Error("We only support the info bitmap type.");
+ }
+
+ // PrintHeader(&info);
+
+ bit->bpp = info.biBitCount;
+ bit->width = info.biWidth;
+ bit->height = info.biHeight;
+ bit->data = NULL;
+ bit->palette = NULL;
+
+ //currently we only read in 8 and 24 bit bmp files
+ if (info.biBitCount == 8) pixbytes = 1;
+ else if (info.biBitCount == 24) pixbytes = 3;
+ else
+ {
+ Error("Only 8BPP and 24BPP supported");
+ //Error("BPP %d not supported.", info.biBitCount);
+ }
+
+ // if this is an eight bit image load palette
+ if (pixbytes == 1)
+ {
+ drgb_t q;
+
+ bit->palette = reinterpret_cast<rgb_t*>(g_malloc(sizeof(rgb_t) * 256));
+
+ for (i = 0; i < 256; i++)
+ {
+ if (fread(&q, sizeof(drgb_t), 1, f) != 1)
+ {
+ fclose(f); g_free(bit->palette);
+ Error("Unable to read palette.");
+ }
+
+ bit->palette[i].r = q.red;
+ bit->palette[i].g = q.green;
+ bit->palette[i].b = q.blue;
+ }
+ }
+
+ // position to start of bitmap
+ fseek(f, bhd.bfOffBits, SEEK_SET);
+
+ // create scanline to read data into
+ rowbytes = ((info.biWidth * pixbytes) + 3) / 4;
+ rowbytes *= 4;
+
+ scanline = reinterpret_cast<char*>(g_malloc(rowbytes));
+
+ // alloc space for new bitmap
+ bit->data = reinterpret_cast<unsigned char*>(g_malloc(info.biWidth * pixbytes * info.biHeight));
+
+ // read in image
+ for (i = 0; i < info.biHeight; i++)
+ {
+ BMPLine(f, scanline, pixbytes, info.biWidth, info.biCompression);
+
+ // store line
+ memcpy(&bit->data[info.biWidth * pixbytes * (info.biHeight - i - 1)], scanline, info.biWidth * pixbytes);
+ }
+
+ g_free(scanline);
+ fclose(f);
+}
+
+
+
+static void BMPEncodeLine(FILE *f, unsigned char *data, int npxls, int pixbytes)
+{
+ int nbytes, i, j, k;
+
+ switch (pixbytes)
+ {
+ case 1 :
+ nbytes = (npxls + 3) / 4;
+ nbytes *= 4;
+
+ fwrite(data, npxls, 1, f);
+ nbytes -= npxls;
+
+ while (nbytes-- > 0) fputc(0, f);
+ return;
+
+ case 3 :
+ // reorder rgb to bgr
+ for (i = 0, j = 0; i < npxls; i++, j+= 3)
+ {
+ k = data[j];
+ data[j] = data[j + 2];
+ data[j + 2] = k;
+ }
+
+ nbytes = ((npxls * 3) + 3) / 4;
+ nbytes *= 4;
+
+ fwrite(data, npxls, 3, f);
+ nbytes -= npxls * 3;
+
+ while (nbytes-- > 0) fputc(0, f);
+ return;
+ }
+
+ Error("BMPEncodeLine Failed.");
+}
+
+
+
+void WriteBMP(char *filename, bitmap_t *bit)
+{
+ FILE *f;
+ bmphd_t header;
+ binfo_t info;
+ drgb_t q; // palette that gets written
+ long bmofs;
+ int w, h, i;
+ int pixbytes;
+
+ if (bit->bpp == 8) pixbytes = 1;
+ else if (bit->bpp == 24) pixbytes = 3;
+
+ else
+ {
+ Error("Only 8BPP and 24BPP supported");
+ //Error("BPP %d not supported.", bit->bpp);
+ }
+
+
+ if ((f = fopen(filename, "wb")) == NULL)
+ {
+ Error("Unable to open file");//%s.", filename);
+ }
+
+ // write out an empty header as a place holder
+ if (fwrite(&header, sizeof(header), 1, f) != 1)
+ {
+ Error("Unable to fwrite.");
+ }
+
+ // init and write info header
+ info.biSize = sizeof(binfo_t);
+ info.biWidth = bit->width;
+ info.biHeight = bit->height;
+ info.biPlanes = 1;
+ info.biBitCount = bit->bpp;
+ info.biCompression = xBI_NONE;
+ info.biSizeImage = bit->width * bit->height;
+ info.biXPelsPerMeter = 0;
+ info.biYPelsPerMeter = 0;
+ info.biClrUsed = 256;
+ info.biClrImportant = 256;
+
+ if (fwrite(&info, sizeof(binfo_t), 1, f) != 1)
+ {
+ Error("fwrite failed.");
+ }
+
+ // write out palette if we need to
+ if (bit->bpp == 8)
+ {
+ for (i = 0; i < 256; i++)
+ {
+ q.red = bit->palette[i].r;
+ q.green = bit->palette[i].g;
+ q.blue = bit->palette[i].b;
+
+ fwrite(&q, sizeof(q), 1, f);
+ }
+ }
+
+ // save offset to start of bitmap
+ bmofs = ftell(f);
+
+ // output bitmap
+ w = bit->width;
+ h = bit->height;
+
+ for (i = h - 1; i >= 0; i--)
+ {
+ BMPEncodeLine(f, &bit->data[w * pixbytes * i], w, pixbytes);
+ }
+
+ // update and rewrite file header
+ header.bfType = BMP_SIGNATURE_WORD;
+ header.bfSize = ftell(f);
+ header.bfOffBits = bmofs;
+
+ fseek(f, 0L, SEEK_SET);
+ fwrite(&header, sizeof(header), 1, f);
+
+ fclose(f);
+}
+
+
+void NewBMP(int width, int height, int bpp, bitmap_t *bit)
+{
+ int pixbytes;
+
+ if (bpp == 8) pixbytes = 1;
+ else if (bpp == 24) pixbytes = 3;
+
+ else
+ {
+ Error("NewBMP: 8 or 24 bit only.");
+ }
+
+ bit->bpp = bpp;
+ bit->width = width;
+ bit->height = height;
+
+ bit->data = reinterpret_cast<unsigned char*>(g_malloc(width * height * pixbytes));
+
+ if (bit->data == NULL)
+ {
+ Error("NewBMP: g_malloc failed.");
+ }
+
+ // see if we need to create a palette
+ if (pixbytes == 1)
+ {
+ bit->palette = (rgb_t *) g_malloc(768);
+
+ if (bit->palette == NULL)
+ {
+ Error("NewBMP: unable to g_malloc palette.");
+ }
+ }
+ else
+ {
+ bit->palette = NULL;
+ }
+}
+
+
+
+void FreeBMP(bitmap_t *bitmap)
+{
+ if (bitmap->palette)
+ {
+ g_free(bitmap->palette);
+ bitmap->palette = NULL;
+ }
+
+ if (bitmap->data)
+ {
+ g_free(bitmap->data);
+ bitmap->data = NULL;
+ }
+}
+
+