+++ /dev/null
-/* Project 16 Source Code~\r
- * Copyright (C) 2012-2016 sparky4 & pngwen & andrius4669 & joncampbell123 & yakui-lover\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
- * Implimentation of the planar buffer files.\r
- */\r
-#include <stdio.h>\r
-#include <stdlib.h>\r
-#include <malloc.h>\r
-\r
-#include "src/lib/planar.h"\r
-\r
-/* creates a planar buffer from the bitmap data.\r
- The planar buffer is dynamically allocated, and should\r
- be destroyed with the planar_buf_free function when no longer\r
- needed.\r
- */\r
-planar_buf_t huge *\r
-planar_buf_from_bitmap(bitmap_t *b) {\r
- planar_buf_t *p;\r
- int plane, bi, pi, x, y;\r
- word q;\r
-\r
- /* allocate the buffer */\r
- p = planar_buf_alloc(b->width, b->height);\r
-\r
- /* copy the bitmap data into the planar format */\r
- bi=0;\r
- pi=0;\r
- for(y=0; y < b->height; y++) {\r
- /* start on the first plane */\r
- plane=0;\r
- for(x=0; x < b->width; x++) {\r
- /* copy to each plane */\r
- p->plane[plane++][pi]=b->data[bi++];\r
-\r
- /* handle the completion of 4 planes. */\r
- if(plane==4) {\r
- plane=0;\r
- pi++;\r
- }\r
- }\r
-\r
- /* correct for images not divisible by 4 */\r
- if(plane) pi++;\r
- }\r
-\r
- p->palette = modexNewPal();\r
- for(;q<PALSIZE;q++)\r
- {\r
- p->palette[q]=b->palette[q];\r
- }\r
-\r
- return p;\r
-}\r
-\r
-\r
-/* allocates a planar buffer with specified dimensions */\r
-planar_buf_t huge *\r
-planar_buf_alloc(word width, word height) {\r
- planar_buf_t *p;\r
- int i;\r
-\r
- /* allocate the structure and populate sizes */\r
- p=malloc(sizeof(planar_buf_t));\r
- p->width = width;\r
- p->height = height;\r
- p->pwidth = width / 4 + (width%4 ? 1 : 0);\r
-\r
- /* allocate the planes */\r
- for(i=0; i<4; i++) {\r
- p->plane[i] = malloc(p->height * p->pwidth);\r
- }\r
-\r
- return p;\r
-}\r
-\r
-\r
-/* deallocates a planar buffer */\r
-void\r
-planar_buf_free(planar_buf_t *p) {\r
- int i;\r
-\r
- /* free the planes */\r
- for(i=0; i<4; i++) {\r
- free(p->plane[i]);\r
- }\r
-\r
- /* free the structure */\r
- free(p);\r
-}\r