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1.1 root 1: /* 1.1.1.5 ! root 2: Hatari - screenSnapShot.c 1.1 root 3: 1.1.1.5 ! root 4: This file is distributed under the GNU Public License, version 2 or at ! 5: your option any later version. Read the file gpl.txt for details. ! 6: ! 7: Screen Snapshots. 1.1 root 8: */ 1.1.1.5 ! root 9: char ScreenSnapShot_rcsid[] = "Hatari $Id: screenSnapShot.c,v 1.7 2004/04/19 08:53:47 thothy Exp $"; 1.1 root 10: 1.1.1.2 root 11: #include <SDL.h> 12: #include <dirent.h> 13: #include <string.h> 14: 1.1 root 15: #include "main.h" 1.1.1.5 ! root 16: #include "memAlloc.h" 1.1 root 17: #include "misc.h" 18: #include "screen.h" 19: #include "screenSnapShot.h" 20: #include "video.h" 21: #include "vdi.h" 22: 1.1.1.2 root 23: 24: int nScreenShots=0; /* Number of screen shots saved */ 25: BOOL bRecordingAnimation=FALSE; /* Recording animation? */ 1.1 root 26: BOOL bGrabWhenChange; 27: int GrabFrameCounter,GrabFrameLatch; 28: 1.1.1.2 root 29: /*-----------------------------------------------------------------------*/ 1.1 root 30: /* 1.1.1.2 root 31: Scan working directory to get the screenshot number 32: */ 1.1.1.5 ! root 33: static void ScreenSnapShot_GetNum(void) ! 34: { 1.1.1.2 root 35: char dummy[5]; 36: int i, num; 37: DIR *workingdir = opendir(szWorkingDir); 38: struct dirent *file; 39: 40: nScreenShots = 0; 1.1.1.4 root 41: if(workingdir == NULL) return; 1.1.1.2 root 42: 43: file = readdir(workingdir); 44: while(file != NULL){ 1.1.1.4 root 45: if( strncmp("grab", file->d_name, 4) == 0 ) { 1.1.1.2 root 46: /* copy next 4 numbers */ 47: for(i=0;i<4;i++) 48: if(file->d_name[4+i] >= '0' && file->d_name[4+i] <= '9') 49: dummy[i] = file->d_name[4+i]; 50: else break; 51: 52: dummy[i] = '\0'; /* null terminate */ 1.1.1.4 root 53: num = atoi(dummy); 54: if(num > nScreenShots) nScreenShots = num; 1.1.1.2 root 55: } 56: /* next file.. */ 1.1.1.4 root 57: file = readdir(workingdir); 1.1.1.2 root 58: } 59: } 60: 61: /*-----------------------------------------------------------------------*/ 1.1 root 62: /* 1.1.1.2 root 63: Save screen shot out .BMP file with filename 'grab0000.bmp','grab0001.bmp'.... 1.1 root 64: */ 65: void ScreenSnapShot_SaveScreen(void) 66: { 1.1.1.5 ! root 67: char *szFileName = Memory_Alloc(FILENAME_MAX); ! 68: 1.1.1.2 root 69: ScreenSnapShot_GetNum(); 1.1.1.3 root 70: /* Create our filename */ 71: nScreenShots++; 72: sprintf(szFileName,"%s/grab%4.4d.bmp",szWorkingDir,nScreenShots); 73: if(SDL_SaveBMP(sdlscrn, szFileName)) 74: fprintf(stderr, "Screen dump failed!\n"); 75: else 76: fprintf(stderr, "Screen dump saved to: %s\n", szFileName); 1.1.1.5 ! root 77: ! 78: Memory_Free(szFileName); 1.1 root 79: } 80: 1.1.1.2 root 81: /*-----------------------------------------------------------------------*/ 1.1 root 82: /* 83: Are we recording an animation? 84: */ 85: BOOL ScreenSnapShot_AreWeRecording(void) 86: { 87: return(bRecordingAnimation); 88: } 89: 90: /*-----------------------------------------------------------------------*/ 91: /* 92: Start recording animation 93: */ 94: void ScreenSnapShot_BeginRecording(BOOL bCaptureChange, int nFramesPerSecond) 95: { 96: /* Set in globals */ 97: bGrabWhenChange = bCaptureChange; 98: /* Set animation timer rate */ 99: GrabFrameCounter = 0; 100: GrabFrameLatch = (int)(50.0f/(float)nFramesPerSecond); 101: /* Start animation */ 102: bRecordingAnimation = TRUE; 103: /* Set status bar */ 1.1.1.4 root 104: /*StatusBar_SetIcon(STATUS_ICON_SCREEN,ICONSTATE_ON);*/ /* Sorry - Hatari does not has a statusbar yet */ 1.1 root 105: /* And inform user */ 106: Main_Message("Screen-Shot recording started.",PROG_NAME /*,MB_OK|MB_ICONINFORMATION*/); 107: } 108: 109: /*-----------------------------------------------------------------------*/ 110: /* 111: Stop recording animation 112: */ 113: void ScreenSnapShot_EndRecording() 114: { 115: /* Were we recording? */ 116: if (bRecordingAnimation) { 117: /* Stop animation */ 118: bRecordingAnimation = FALSE; 119: /* Turn off icon */ 1.1.1.4 root 120: /*StatusBar_SetIcon(STATUS_ICON_SCREEN,ICONSTATE_OFF);*/ /* Sorry - no statusbar support yet */ 1.1 root 121: /* And inform user */ 122: Main_Message("Screen-Shot recording stopped.",PROG_NAME /*,MB_OK|MB_ICONINFORMATION*/); 123: } 124: } 125: 1.1.1.2 root 126: /*-----------------------------------------------------------------------*/ 1.1 root 127: /* 128: Recording animation frame 129: */ 130: void ScreenSnapShot_RecordFrame(BOOL bFrameChanged) 131: { 1.1.1.3 root 132: /* As we recording? */ 133: if (bRecordingAnimation) { 1.1.1.2 root 134: /* Yes, but on a change basis or a timer? */ 1.1 root 135: if (bGrabWhenChange) { 1.1.1.2 root 136: /* On change, so did change this frame? */ 1.1 root 137: if (bFrameChanged) 138: ScreenSnapShot_SaveScreen(); 139: } 140: else { 1.1.1.2 root 141: /* On timer, check for latch and save */ 1.1 root 142: GrabFrameCounter++; 143: if (GrabFrameCounter>=GrabFrameLatch) { 144: ScreenSnapShot_SaveScreen(); 145: GrabFrameCounter = 0; 146: } 147: } 148: } 149: }
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