--- /dev/null
+/* Project 16 Source Code~\r
+ * Copyright (C) 2012-2015 sparky4 & pngwen & andrius4669\r
+ *\r
+ * This file is part of Project 16.\r
+ *\r
+ * Project 16 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 3 of the License, or\r
+ * (at your option) any later version.\r
+ *\r
+ * Project 16 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 this program. If not, see <http://www.gnu.org/licenses/>, or\r
+ * write to the Free Software Foundation, Inc., 51 Franklin Street,\r
+ * Fifth Floor, Boston, MA 02110-1301 USA.\r
+ *\r
+ */\r
+\r
+#include <stdio.h>\r
+#include <stdlib.h>\r
+#include <malloc.h>\r
+#include "src/lib/modex16/16planar.h"\r
+\r
+#ifndef PCXHEADER_H\r
+#define PCXHEADER_H\r
+static struct pcxHeader {\r
+ byte id;\r
+ byte version;\r
+ byte encoding;\r
+ byte bpp;\r
+ word xmin;\r
+ word ymin;\r
+ word xmax;\r
+ word ymax;\r
+ word hres;\r
+ word vres;\r
+ byte pal16[48];\r
+ byte res1;\r
+ word bpplane;\r
+ word palType;\r
+ word hScreenSize;\r
+ word vScreenSize;\r
+ byte padding[54];\r
+} head;\r
+#endif /*PCXHEADER_H*/\r
+\r
+static void loadPcxpbufStage1(FILE *file, planar_buf_t *result) {\r
+ int index;\r
+ byte count, val;\r
+ long int pos;\r
+\r
+ /* read the header */\r
+ fread(&head, sizeof(char), sizeof(struct pcxHeader), file);\r
+\r
+ /* get the width and height */\r
+ result->width = head.xmax - head.xmin + 1;\r
+ result->height = head.ymax - head.ymin + 1;\r
+\r
+ /* make sure this is 8bpp */\r
+ if(head.bpp != 8) {\r
+ fprintf(stderr, "I only know how to handle 8bpp pcx files!\n");\r
+ fclose(file);\r
+ //exit(-2);\r
+ }\r
+}\r
+\r
+static void loadPcxpbufPalette(FILE *file, planar_buf_t *result) {\r
+ byte val;\r
+ int index;\r
+\r
+ /* handle the palette */\r
+ fseek(file, -769, SEEK_END);\r
+ val = fgetc(file);\r
+ result->palette = modexNewPal();\r
+ if(head.version == 5 && val == 12) {\r
+ /* use the vga palette */\r
+ for(index=0; !feof(file) && index < PAL_SIZE; index++) {\r
+ val = fgetc(file);\r
+ result->palette[index] = val >> 2;\r
+ }\r
+ } else {\r
+ /* use the 16 color palette */\r
+ for(index=0; index<48; index++) {\r
+ result->palette[index] = head.pal16[index];\r
+ }\r
+ }\r
+}\r
+\r
+/* sparky4's functions~ */\r
+planar_buf_t planarLoadPcx(char *filename)\r
+{\r
+ FILE *file;\r
+ planar_buf_t result;\r
+ dword bufSize;\r
+ int index, plane, x, y;\r
+ byte count, val;\r
+ word q;\r
+\r
+ /* open the PCX file for reading */\r
+ file = fopen(filename, "rb");\r
+ if(!file) {\r
+ fprintf(stderr, "Could not open %s for reading.\n", filename);\r
+ //exit(-2);\r
+ }\r
+\r
+ /* load the first part of the pcx file */\r
+ loadPcxpbufStage1(file, &result);\r
+\r
+ /* allocate the buffer */\r
+ bufSize = (/*(dword)*/result.width * result.height);\r
+ //result = pbuf_alloc(result.width, result.height);\r
+ if(!result.plane[0]) {\r
+ fprintf(stderr, "Could not allocate memory for bitmap data.");\r
+ fclose(file);\r
+ //exit(-1);\r
+ }\r
+\r
+ /* read the buffer in */\r
+ index = 0;\r
+ do {\r
+ /* get the run length and the value */\r
+ count = fgetc(file);\r
+ if(0xC0 == (count & 0xC0)) { /* this is the run count */\r
+ count &= 0x3f;\r
+ val = fgetc(file);\r
+ } else {\r
+ val = count;\r
+ count = 1;\r
+ }\r
+\r
+ // start on the first plane\r
+ plane=0;\r
+ /* write the pixel the specified number of times */\r
+ for(; count && index < bufSize; count--,index++) {\r
+ switch (plane)\r
+ {\r
+ case 4:\r
+ plane=0;\r
+ break;\r
+ }\r
+ // copy to each plane\r
+ result.plane[plane++][index]=val;\r
+ }\r
+ } while(index < bufSize);\r
+\r
+ //++++loadPcxpbufPalette(file, &result);\r
+ fclose(file);\r
+ return result;\r
+\r
+}\r
+\r
+//TODO: update!!\r
+tileset_t\r
+planarLoadPcxTiles(char *filename, word twidth, word theight) {\r
+ tileset_t ts;\r
+ FILE *file;\r
+ planar_buf_t result;\r
+ int i;\r
+\r
+ /* open the PCX file for reading */\r
+ file = fopen(filename, "rb");\r
+ if(!file) {\r
+ printf("Could not open %s for reading.\n", filename);\r
+ exit(-2);\r
+ }\r
+\r
+ /* load the first part of the pcx file */\r
+ loadPcxpbufStage1(file, &result);\r
+\r
+ /* get the number of tiles and set up the result structure */\r
+ ts.twidth = twidth;\r
+ ts.theight = theight;\r
+ ts.ntiles = (result.width/twidth) * (result.height/theight);\r
+ ts.palette = result.palette;\r
+\r
+ /* allocate the pixel storage for the tiles */\r
+ /*ts.data = malloc(sizeof(byte*) * ts.ntiles);\r
+ ts.data[0] = malloc(sizeof(byte) * ts.ntiles * twidth * theight);\r
+ for(i=1; i < ts.ntiles; i++) {\r
+ ts.data[i] = ts.data[i-1] + twidth * theight;\r
+ }*/\r
+\r
+ /* finish off the file */\r
+ //++++loadPcxPalette(file, &result);\r
+\r
+ fclose(file);\r
+\r
+ return ts;\r
+}\r
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