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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: */
1.1.1.6 ! root 9: char ScreenSnapShot_rcsid[] = "Hatari $Id: screenSnapShot.c,v 1.9 2005/06/05 14:19:39 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"
1.1.1.6 ! root 16: #include "log.h"
1.1 root 17: #include "screen.h"
18: #include "screenSnapShot.h"
19: #include "video.h"
20:
1.1.1.2 root 21:
1.1.1.6 ! root 22: BOOL bRecordingAnimation = FALSE; /* Recording animation? */
! 23: static int nScreenShots = 0; /* Number of screen shots saved */
! 24: static BOOL bGrabWhenChange;
! 25: static int GrabFrameCounter,GrabFrameLatch;
! 26:
1.1 root 27:
1.1.1.2 root 28: /*-----------------------------------------------------------------------*/
1.1 root 29: /*
1.1.1.2 root 30: Scan working directory to get the screenshot number
31: */
1.1.1.5 root 32: static void ScreenSnapShot_GetNum(void)
33: {
1.1.1.2 root 34: char dummy[5];
35: int i, num;
36: DIR *workingdir = opendir(szWorkingDir);
37: struct dirent *file;
38:
39: nScreenShots = 0;
1.1.1.4 root 40: if(workingdir == NULL) return;
1.1.1.2 root 41:
42: file = readdir(workingdir);
43: while(file != NULL){
1.1.1.4 root 44: if( strncmp("grab", file->d_name, 4) == 0 ) {
1.1.1.2 root 45: /* copy next 4 numbers */
46: for(i=0;i<4;i++)
47: if(file->d_name[4+i] >= '0' && file->d_name[4+i] <= '9')
48: dummy[i] = file->d_name[4+i];
49: else break;
50:
51: dummy[i] = '\0'; /* null terminate */
1.1.1.4 root 52: num = atoi(dummy);
53: if(num > nScreenShots) nScreenShots = num;
1.1.1.2 root 54: }
55: /* next file.. */
1.1.1.4 root 56: file = readdir(workingdir);
1.1.1.2 root 57: }
58: }
59:
60: /*-----------------------------------------------------------------------*/
1.1 root 61: /*
1.1.1.2 root 62: Save screen shot out .BMP file with filename 'grab0000.bmp','grab0001.bmp'....
1.1 root 63: */
64: void ScreenSnapShot_SaveScreen(void)
65: {
1.1.1.6 ! root 66: char *szFileName = malloc(FILENAME_MAX);
! 67:
! 68: if (!szFileName) return;
1.1.1.5 root 69:
1.1.1.2 root 70: ScreenSnapShot_GetNum();
1.1.1.3 root 71: /* Create our filename */
72: nScreenShots++;
73: sprintf(szFileName,"%s/grab%4.4d.bmp",szWorkingDir,nScreenShots);
74: if(SDL_SaveBMP(sdlscrn, szFileName))
75: fprintf(stderr, "Screen dump failed!\n");
76: else
77: fprintf(stderr, "Screen dump saved to: %s\n", szFileName);
1.1.1.5 root 78:
1.1.1.6 ! root 79: free(szFileName);
1.1 root 80: }
81:
1.1.1.2 root 82: /*-----------------------------------------------------------------------*/
1.1 root 83: /*
84: Are we recording an animation?
85: */
86: BOOL ScreenSnapShot_AreWeRecording(void)
87: {
88: return(bRecordingAnimation);
89: }
90:
91: /*-----------------------------------------------------------------------*/
92: /*
93: Start recording animation
94: */
95: void ScreenSnapShot_BeginRecording(BOOL bCaptureChange, int nFramesPerSecond)
96: {
97: /* Set in globals */
98: bGrabWhenChange = bCaptureChange;
99: /* Set animation timer rate */
100: GrabFrameCounter = 0;
101: GrabFrameLatch = (int)(50.0f/(float)nFramesPerSecond);
102: /* Start animation */
103: bRecordingAnimation = TRUE;
1.1.1.6 ! root 104:
1.1 root 105: /* And inform user */
1.1.1.6 ! root 106: Log_AlertDlg(LOG_INFO, "Screenshot recording started.");
1.1 root 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;
1.1.1.6 ! root 119:
1.1 root 120: /* And inform user */
1.1.1.6 ! root 121: Log_AlertDlg(LOG_INFO, "Screenshot recording stopped.");
1.1 root 122: }
123: }
124:
1.1.1.2 root 125: /*-----------------------------------------------------------------------*/
1.1 root 126: /*
127: Recording animation frame
128: */
129: void ScreenSnapShot_RecordFrame(BOOL bFrameChanged)
130: {
1.1.1.3 root 131: /* As we recording? */
132: if (bRecordingAnimation) {
1.1.1.2 root 133: /* Yes, but on a change basis or a timer? */
1.1 root 134: if (bGrabWhenChange) {
1.1.1.2 root 135: /* On change, so did change this frame? */
1.1 root 136: if (bFrameChanged)
137: ScreenSnapShot_SaveScreen();
138: }
139: else {
1.1.1.2 root 140: /* On timer, check for latch and save */
1.1 root 141: GrabFrameCounter++;
142: if (GrabFrameCounter>=GrabFrameLatch) {
143: ScreenSnapShot_SaveScreen();
144: GrabFrameCounter = 0;
145: }
146: }
147: }
148: }
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