mirror of
https://github.com/eddyem/pointgreycam.git
synced 2025-12-06 02:35:22 +03:00
add pause/resume for main sequence & capturing in pause mode
This commit is contained in:
eddyem
parent
85da8be186
commit
a1cbbd613f
27
events.c
27
events.c
@ -35,6 +35,9 @@ static void processKeybrd(unsigned char key, int mod, _U_ int x, _U_ int y){
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key += 'a'-1;
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DBG("CTRL+%c", key);
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switch(key){
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case 'r': // roll colorfun
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win->winevt |= WINEVT_ROLLCOLORFUN;
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break;
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case 's': // save image
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win->winevt |= WINEVT_SAVEIMAGE;
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break;
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@ -50,20 +53,27 @@ static void processKeybrd(unsigned char key, int mod, _U_ int x, _U_ int y){
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win->zoom = 1;
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win->x = 0; win->y = 0;
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break;
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case 27:
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case 27: // esc - kill
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killwindow();
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break;
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case 'l':
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case 'c': // capture in pause mode
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if(win->winevt & WINEVT_PAUSE)
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win->winevt |= WINEVT_GETIMAGE;
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break;
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case 'l': // flip left-right
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win->flip ^= WIN_FLIP_LR;
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break;
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case 'u':
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case 'p': // pause capturing
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win->winevt ^= WINEVT_PAUSE;
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break;
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case 'u': // flip up-down
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win->flip ^= WIN_FLIP_UD;
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break;
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case 'Z':
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case 'Z': // zoom+
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win->zoom *= 1.1f;
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calc_win_props(NULL, NULL);
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break;
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case 'z':
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case 'z': // zoom-
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win->zoom /= 1.1f;
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calc_win_props(NULL, NULL);
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break;
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@ -155,9 +165,12 @@ typedef struct{
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#define SHIFT_K(key) (key | (GLUT_ACTIVE_SHIFT<<8))
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#define ALT_K(key) (key | (GLUT_ACTIVE_ALT<<8))
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static const menuentry entries[] = {
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{"Flip image LR", 'l'},
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{"Flip image UD", 'u'},
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{"Capture in pause mode (c)", 'c'},
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{"Flip image LR (l)", 'l'},
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{"Flip image UD (u)", 'u'},
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{"Make a pause/continue (p)", 'p'},
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{"Restore zoom (0)", '0'},
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{"Roll colorfun (ctrl+r)", CTRL_K('r')},
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{"Save image (ctrl+s)", CTRL_K('s')},
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{"Close this window (ESC)", 27},
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{"Quit (ctrl+q)", CTRL_K('q')},
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130
grasshopper.c
130
grasshopper.c
@ -43,51 +43,33 @@ void signals(int sig){
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static int GrabImage(fc2Context context, fc2Image *convertedImage){
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fc2Error error;
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fc2Image rawImage;
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// start capture
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FC2FNE(fc2StartCapture, context);
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error = fc2CreateImage(&rawImage);
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if (error != FC2_ERROR_OK)
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{
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if(error != FC2_ERROR_OK){
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printf("Error in fc2CreateImage: %s\n", fc2ErrorToDescription(error));
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return -1;
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}
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// Retrieve the image
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error = fc2RetrieveBuffer(context, &rawImage);
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if (error != FC2_ERROR_OK)
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{
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if (error != FC2_ERROR_OK){
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printf("Error in retrieveBuffer: %s\n", fc2ErrorToDescription(error));
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return -1;
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}
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// Convert image to gray
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windowData *win = getWin();
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if(win) pthread_mutex_lock(&win->mutex);
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error = fc2ConvertImageTo(FC2_PIXEL_FORMAT_MONO8, &rawImage, convertedImage);
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if (error != FC2_ERROR_OK)
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{
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if(win) pthread_mutex_unlock(&win->mutex);
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if(error != FC2_ERROR_OK){
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printf("Error in fc2ConvertImageTo: %s\n", fc2ErrorToDescription(error));
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return -1;
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}
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fc2StopCapture(context);
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fc2DestroyImage(&rawImage);
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return 0;
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}
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// main thread to deal with image
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void* image_thread(_U_ void *data){
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FNAME();
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//struct timeval tv;
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windowData *win = getWin();
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// int w = win->image->w, h = win->image->h, x,y, id = win->ID;
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// GLubyte i;
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while(1){
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pthread_mutex_lock(&win->mutex);
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if(win->killthread){
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pthread_mutex_unlock(&win->mutex);
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DBG("got killthread");
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pthread_exit(NULL);
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}
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// Do something here
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//win->image->changed = 1;
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pthread_mutex_unlock(&win->mutex);
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usleep(10000);
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}
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}
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/**
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* Convert gray (unsigned short) into RGB components (GLubyte)
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* @argument L - gray level
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@ -127,26 +109,39 @@ static void gray2rgb(double gray, GLubyte *rgb){
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typedef enum{
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COLORFN_LINEAR, // linear
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COLORFN_LOG, // ln
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COLORFN_SQRT // sqrt
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COLORFN_SQRT, // sqrt
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COLORFN_MAX // end of list
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} colorfn_type;
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static colorfn_type ft = COLORFN_LINEAR;
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static double linfun(double arg){ return arg; } // bung for PREVIEW_LINEAR
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static double logfun(double arg){ return log(1.+arg); } // for PREVIEW_LOG
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static double (*colorfun)(double) = linfun; // default function to convert color
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void change_colorfun(colorfn_type f){
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static void change_colorfun(colorfn_type f){
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DBG("New colorfn: %d", f);
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switch (f){
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case COLORFN_LINEAR:
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colorfun = linfun;
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break;
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case COLORFN_LOG:
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colorfun = logfun;
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ft = COLORFN_LOG;
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break;
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default: // sqrt
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case COLORFN_SQRT:
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colorfun = sqrt;
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ft = COLORFN_SQRT;
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break;
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default: // linear
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colorfun = linfun;
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ft = COLORFN_LINEAR;
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}
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}
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static void roll_colorfun(){
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colorfn_type t = ++ft;
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if(t == COLORFN_MAX) t = COLORFN_LINEAR;
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change_colorfun(t);
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}
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static void change_displayed_image(windowData *win, fc2Image *convertedImage){
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if(!win || !win->image) return;
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rawimage *im = win->image;
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@ -210,6 +205,36 @@ static void saveImages(fc2Image *convertedImage, char *prefix){
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// and save FITS here
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}
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// manage some menu/shortcut events
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static void winevt_manage(windowData *win, fc2Image *convertedImage){
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if(win->winevt & WINEVT_SAVEIMAGE){ // save image
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DBG("Try to make screenshot");
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saveImages(convertedImage, "ScreenShot");
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win->winevt &= ~WINEVT_SAVEIMAGE;
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}
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if(win->winevt & WINEVT_ROLLCOLORFUN){
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roll_colorfun();
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win->winevt &= ~WINEVT_ROLLCOLORFUN;
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change_displayed_image(win, convertedImage);
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}
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}
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// main thread to deal with image
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void* image_thread(_U_ void *data){
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FNAME();
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fc2Image *img = (fc2Image*) data;
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while(1){
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windowData *win = getWin();
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if(!win) pthread_exit(NULL);
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if(win->killthread){
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DBG("got killthread");
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pthread_exit(NULL);
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}
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if(win->winevt) winevt_manage(win, img);
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usleep(10000);
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}
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}
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int main(int argc, char **argv){
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int ret = 0;
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initial_setup();
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@ -285,12 +310,9 @@ int main(int argc, char **argv){
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VMESG("Set gain value to %gdB", G.gain);
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}
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FC2FNE(fc2StartCapture, context);
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if(G.showimage){
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imageview_init();
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}
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// main cycle
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fc2Image convertedImage;
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FC2FNE(fc2CreateImage, &convertedImage);
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@ -308,41 +330,43 @@ int main(int argc, char **argv){
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}
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if(G.showimage){
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if(!mainwin && start){
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DBG("Create window @ start");
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mainwin = createGLwin("Sample window", convertedImage.cols, convertedImage.rows, NULL);
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start = FALSE;
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if(!mainwin){
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WARNX("Can't open OpenGL window, image preview will be inaccessible");
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}else
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pthread_create(&mainwin->thread, NULL, &image_thread, NULL); //(void*)mainwin);
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pthread_create(&mainwin->thread, NULL, &image_thread, (void*)&convertedImage); //(void*)mainwin);
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}
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if((mainwin = getWin())){
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if(mainwin->winevt & WINEVT_SAVEIMAGE){ // save image
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DBG("Try to make screenshot");
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saveImages(&convertedImage, "ScreenShot");
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mainwin->winevt &= ~WINEVT_SAVEIMAGE;
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}
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DBG("change image");
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if(mainwin->killthread) goto destr;
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change_displayed_image(mainwin, &convertedImage);
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while((mainwin = getWin())){ // test paused state & grabbing custom frames
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if((mainwin->winevt & WINEVT_PAUSE) == 0) break;
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if(mainwin->winevt & WINEVT_GETIMAGE){
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mainwin->winevt &= ~WINEVT_GETIMAGE;
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if(!GrabImage(context, &convertedImage))
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change_displayed_image(mainwin, &convertedImage);
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}
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usleep(10000);
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}
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}else break;
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}
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if(--G.nimages <= 0) break;
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}
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FC2FNE(fc2DestroyImage, &convertedImage);
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err = fc2StopCapture(context);
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if(err != FC2_ERROR_OK){
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fc2DestroyContext(context);
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printf("Error in fc2StopCapture: %s\n", fc2ErrorToDescription(err));
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signals(12);
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}
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if((mainwin = getWin())) mainwin->winevt |= WINEVT_PAUSE;
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destr:
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fc2DestroyContext(context);
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if(G.showimage){
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while(getWin());
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while((mainwin = getWin())){
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if(mainwin->killthread) break;
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}
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DBG("Close window");
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clear_GL_context();
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}
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FC2FNE(fc2DestroyImage, &convertedImage);
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fc2StopCapture(context);
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fc2DestroyContext(context);
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signals(ret);
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return ret;
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}
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@ -35,10 +35,15 @@ typedef struct{
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int changed; // == 1 if data was changed outside (to redraw)
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} rawimage;
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// events from menu
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// events from menu:
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// temporaly stop capture of regular sequence
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#define WINEVT_PAUSE (1<<0)
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#define WINEVT_RESUME (1<<1)
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// capture one image in pause mode
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#define WINEVT_GETIMAGE (1<<1)
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// save current image
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#define WINEVT_SAVEIMAGE (1<<2)
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// change color palette function
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#define WINEVT_ROLLCOLORFUN (1<<3)
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// flip image
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#define WIN_FLIP_LR (1<<0)
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