1 /* Project 16 Source Code~
\r
2 * Copyright (C) 2012-2016 sparky4 & pngwen & andrius4669 & joncampbell123 & yakui-lover
\r
4 * This file is part of Project 16.
\r
6 * Project 16 is free software; you can redistribute it and/or modify
\r
7 * it under the terms of the GNU General Public License as published by
\r
8 * the Free Software Foundation; either version 3 of the License, or
\r
9 * (at your option) any later version.
\r
11 * Project 16 is distributed in the hope that it will be useful,
\r
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
\r
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
\r
14 * GNU General Public License for more details.
\r
16 * You should have received a copy of the GNU General Public License
\r
17 * along with this program. If not, see <http://www.gnu.org/licenses/>, or
\r
18 * write to the Free Software Foundation, Inc., 51 Franklin Street,
\r
19 * Fifth Floor, Boston, MA 02110-1301 USA.
\r
26 #include "src/lib/bitmap.h"
\r
28 static void loadPcxStage1(FILE *file, bitmap_t *result) {
\r
34 /* read the header */
\r
35 fread(&head, sizeof(char), sizeof(struct pcxHeader), file);
\r
37 /* get the width and height */
\r
38 result->width = head.xmax - head.xmin + 1;
\r
39 result->height = head.ymax - head.ymin + 1;
\r
41 /* make sure this is 8bpp */
\r
43 printf("I only know how to handle 8bpp pcx files!\n");
\r
50 static void loadPcxPalette(FILE *file, bitmap_t *result) {
\r
54 /* handle the palette */
\r
55 fseek(file, -769, SEEK_END);
\r
57 result->palette = modexNewPal();
\r
58 if(head.version == 5 && val == 12) {
\r
59 /* use the vga palette */
\r
60 for(index=0; !feof(file) && index < PAL_SIZE; index++) {
\r
62 result->palette[index] = val >> 2;
\r
65 /* use the 16 color palette */
\r
66 for(index=0; index<48; index++) {
\r
67 result->palette[index] = head.pal16[index];
\r
74 bitmapLoadPcx(char *filename) {
\r
81 /* open the PCX file for reading */
\r
82 file = fopen(filename, "rb");
\r
84 printf("Could not open %s for reading.\n", filename);
\r
88 /* load the first part of the pcx file */
\r
89 loadPcxStage1(file, &result);
\r
91 /* allocate the buffer */
\r
92 //printf("%zu\n", _memmax());
\r
93 bufSize = (/*(dword)*/result.width * result.height);
\r
94 result.data = malloc(bufSize);
\r
95 // result.data = (byte far *)_fmalloc(bufSize);
\r
96 // result.data = (byte __huge *)halloc(bufSize, sizeof(byte));
\r
97 /*printf("&bufSize=%p\n", &bufSize);
\r
98 printf("&result.data=%p\n", result.data);
\r
99 printf("Size of block is %zu bytes\n", _msize(result.data));
\r
100 printf("Size of bufSize is %zu bytes\n", bufSize);
\r
101 printf("Size of result.width is %zu \n", result.width);
\r
102 printf("Size of result.height is %zu \n", result.height);
\r
103 printf("Dimensions of result is %lu\n", (dword)result.width*result.height);*/
\r
106 fprintf(stderr, "Could not allocate memory for bitmap data.");
\r
111 /* read the buffer in */
\r
114 /* get the run length and the value */
\r
115 count = fgetc(file);
\r
116 if(0xC0 == (count & 0xC0)) { /* this is the run count */
\r
124 /* write the pixel the specified number of times */
\r
125 for(; count && index < bufSize; count--,index++) {
\r
126 result.data[index] = val;
\r
128 } while(index < bufSize);
\r
129 //printf("index=%d\n", index);
\r
131 loadPcxPalette(file, &result);
\r
140 bitmapLoadPcxTiles(char *filename, word twidth, word theight) {
\r
146 /* open the PCX file for reading */
\r
147 file = fopen(filename, "rb");
\r
149 printf("Could not open %s for reading.\n", filename);
\r
153 /* load the first part of the pcx file */
\r
154 loadPcxStage1(file, &result);
\r
156 /* get the number of tiles and set up the result structure */
\r
157 ts.twidth = twidth;
\r
158 ts.theight = theight;
\r
159 ts.ntiles = (result.width/twidth) * (result.height/theight);
\r
160 ts.palette = result.palette;
\r
162 /* allocate the pixel storage for the tiles */
\r
163 ts.data = malloc(sizeof(byte*) * ts.ntiles);
\r
164 //ts.data[0] = malloc(sizeof(byte) * ts.ntiles * twidth * theight);
\r
165 for(i=1; i < ts.ntiles; i++) {
\r
166 ts.data[i] = ts.data[i-1] + twidth * theight;
\r
169 /* finish off the file */
\r
170 loadPcxPalette(file, &result);
\r