| 1 | \r |
| 2 | // This file is part of the PicoDrive Megadrive Emulator\r |
| 3 | \r |
| 4 | // This code is licensed under the GNU General Public License version 2.0 and the MAME License.\r |
| 5 | // You can choose the license that has the most advantages for you.\r |
| 6 | \r |
| 7 | // SVN repository can be found at http://code.google.com/p/cyclone68000/\r |
| 8 | \r |
| 9 | #include "stdafx.h"\r |
| 10 | \r |
| 11 | static int ScreenNum=0;\r |
| 12 | \r |
| 13 | int DebugScreenGrab()\r |
| 14 | {\r |
| 15 | unsigned char *screen=NULL;\r |
| 16 | FILE *file=NULL;\r |
| 17 | unsigned char *line=NULL;\r |
| 18 | int x=0,y=0;\r |
| 19 | char filename[64];\r |
| 20 | unsigned char head[0x12];\r |
| 21 | \r |
| 22 | memset(filename,0,sizeof(filename));\r |
| 23 | memset(head,0,sizeof(head));\r |
| 24 | \r |
| 25 | // Allocate memory for one line\r |
| 26 | line=(unsigned char *)malloc(GXDisp.cxWidth*3); if (line==NULL) return 1;\r |
| 27 | memset(line,0,GXDisp.cxWidth*3);\r |
| 28 | \r |
| 29 | // Get pointer to screen:\r |
| 30 | screen=(unsigned char *)GXBeginDraw(); if (screen==NULL) { free(line); return 1; }\r |
| 31 | \r |
| 32 | // Open screenshot file:\r |
| 33 | for (;;)\r |
| 34 | {\r |
| 35 | sprintf(filename,"\\Screen%.3d.tga",ScreenNum);\r |
| 36 | \r |
| 37 | // Does this file exist?\r |
| 38 | file=fopen(filename,"rb"); if (file==NULL) break; // No - use this\r |
| 39 | \r |
| 40 | // Exists, try next file\r |
| 41 | fclose(file); ScreenNum++;\r |
| 42 | if (ScreenNum>=1000) break;\r |
| 43 | }\r |
| 44 | \r |
| 45 | // Use this filename\r |
| 46 | file=fopen(filename,"wb"); if (file==NULL) { GXEndDraw(); free(line); return 1; }\r |
| 47 | \r |
| 48 | head[0x02]=0x02; //?\r |
| 49 | head[0x0c]=(unsigned char) GXDisp.cxWidth;\r |
| 50 | head[0x0d]=(unsigned char)(GXDisp.cxWidth>>8);\r |
| 51 | head[0x0e]=(unsigned char) GXDisp.cyHeight;\r |
| 52 | head[0x0f]=(unsigned char)(GXDisp.cyHeight>>8);\r |
| 53 | head[0x10]=24; // Number of bits per pixel\r |
| 54 | \r |
| 55 | // Write header:\r |
| 56 | fwrite(head,1,sizeof(head),file);\r |
| 57 | \r |
| 58 | for (y=0;y<(int)GXDisp.cyHeight;y++)\r |
| 59 | {\r |
| 60 | unsigned char *ps=NULL,*pd=NULL;\r |
| 61 | int ry=0;\r |
| 62 | int pix=0;\r |
| 63 | \r |
| 64 | ry=GXDisp.cyHeight-y-1;\r |
| 65 | ps=screen+ry*GXDisp.cbyPitch;\r |
| 66 | pd=line;\r |
| 67 | \r |
| 68 | // Copy pixel to our line buffer\r |
| 69 | for (x=0;x<(int)GXDisp.cxWidth; x++,ps+=GXDisp.cbxPitch,pd+=3)\r |
| 70 | {\r |
| 71 | pix=*(unsigned short *)ps;\r |
| 72 | \r |
| 73 | pd[0]=(unsigned char)((pix&0x001f)<<3); // Red\r |
| 74 | pd[1]=(unsigned char)((pix&0x07e0)>>3); // Green\r |
| 75 | pd[2]=(unsigned char)((pix&0xf800)>>8); // Blue\r |
| 76 | }\r |
| 77 | \r |
| 78 | fwrite(line,1,GXDisp.cxWidth*3,file);\r |
| 79 | }\r |
| 80 | \r |
| 81 | fclose(file); file=NULL;\r |
| 82 | \r |
| 83 | GXEndDraw();\r |
| 84 | free(line);\r |
| 85 | \r |
| 86 | return 0;\r |
| 87 | }\r |