/*
*/
-#include "ocr.h"
+#include "structure.h"
#include <X11/Xlib.h>
#include <X11/extensions/XTest.h>
#include <X11/keysym.h>
#include <X11/Xutil.h>
-#include <X11/xpm.h>
-
CanonImage *page_images[MAX_PAGES];
int npages;
+static XWindowAttributes attr;
static Window id;
static Display *disp;
static struct timeval tv_startup;
static unsigned wwidth, wheight;
-
-static XpmAttributes xpma;
+static int wxpos, wypos;
static KeyCode keycode(KeySym sym) {
return XKeysymToKeycode(disp,sym);
}
-#if 0
-static void check_exitstatus(int st) {
- eassert(WIFEXITED(st));
- eassert(!WEXITSTATUS(st));
-}
-
-static void check_pclose(FILE *f, char *cmd) {
- int r;
- eassert(!ferror(f));
- r= fgetc(f); eassert(r==EOF); eassert(feof(f));
- r= pclose(f); eassert(r>=0); check_exitstatus(r);
- free(cmd);
-}
-
-static CanonImage *screenshot_now(void) {
- char *cmd;
- CanonImage *ci;
- int r;
-
- r= asprintf(&cmd, "xwd -silent -id 0x%lx | xwdtopnm", (unsigned long)id);
- eassert(r>=0);
- FILE *f= popen(cmd,"r"); eassert(f);
- ci= file_read_image(f);
- check_pclose(f, cmd);
- return ci;
-}
-#endif
-
-static void screenshot_startup(void) {
+void screenshot_startup(void) {
int r;
disp= XOpenDisplay(0); eassert(disp);
r= gettimeofday(&tv_startup,0); eassert(!r);
}
-#if 0
-static CanonImage *single_page(void) {
- int r;
- r= XRaiseWindow(disp, id); eassert(r);
- r= XSync(disp, False); eassert(r);
- return screenshot_now();
-}
-#endif
-
/*---------- pager ----------*/
typedef XImage Snapshot;
-//static size_t snapshot_alloc= 1024;
static double last_input;
-static const double min_update_allowance= 0.5;
+static const double min_update_allowance= 0.25;
static double timestamp(void) {
struct timeval tv;
fprintf(stderr,"PAGING wait_for_stability done.\n");
}
-static void raise_and_set_focus(void) {
+static void raise_and_get_details(void) {
int r;
- XWindowAttributes attr;
- int xpos,ypos, evbase,errbase,majver,minver;
+ int evbase,errbase,majver,minver;
unsigned bd,depth;
Window dummy;
- fprintf(stderr,"PAGING raise_and_set_focus\n");
+ fprintf(stderr,"PAGING raise_and_get_details\n");
r= XTestQueryExtension(disp, &evbase,&errbase,&majver,&minver);
eassert(r==True);
r= XGetWindowAttributes(disp, id, &attr); eassert(r);
r= XGetGeometry(disp,id, &attr.root,
- &xpos,&ypos, &wwidth,&wheight,
+ &wxpos,&wypos, &wwidth,&wheight,
&bd,&depth);
eassert(r);
- r= XTranslateCoordinates(disp, id,attr.root, 160,160, &xpos,&ypos,
+ r= XTranslateCoordinates(disp, id,attr.root, 160,160, &wxpos,&wypos,
&dummy);
eassert(r);
+}
+static void set_focus(void) {
int screen= XScreenNumberOfScreen(attr.screen);
- XTestFakeMotionEvent(disp,screen, xpos, ypos, 0);
+
+ fprintf(stderr,"PAGING set_focus\n");
+
+ XTestFakeMotionEvent(disp,screen, wxpos,wypos, 0);
XTestFakeButtonEvent(disp,1,1, 50);
XTestFakeButtonEvent(disp,1,0, 50);
fprintf(stderr,"PAGING raise_and_set_focus done.\n");
}
-static void store_page(int pageno, Snapshot *sn) {
- pid_t converter, paster;
- eassert(pageno < MAX_PAGES);
- int paste[2], results[2];
- FILE *err;
- int r;
-
- eassert(!fflush(stdout));
- eassert(!fflush(stderr));
-
- r= pipe(paste); eassert(!r);
- r= pipe(results); eassert(!r);
- err= tmpfile(); eassert(err);
-
- converter= fork(); eassert(converter!=-1);
- if (!converter) {
- r= dup2(paste[0],0); eassert(r==0);
- r= dup2(results[1],1); eassert(r==1);
- r= dup2(2,4); eassert(r==4); /* fileno(errn) > 4, see above */
- r= dup2(fileno(err),2); eassert(r==2);
- close(paste[0]);
- close(paste[1]);
- close(results[0]);
- close(results[1]);
- execlp("xpmtoppm", "xpmtoppm",(char*)0);
- dup2(4,2);
- eassert(!"xpmtoppm exec failure");
- }
-
- char *xpmdata=0;
- r= XpmCreateBufferFromImage(disp, &xpmdata, sn, 0, &xpma);
- eassert(!r);
- eassert(xpmdata);
-
- paster= fork(); eassert(paster!=-1);
- if (!paster) {
- FILE *f= fdopen(paste[1],"w"); eassert(f);
- close(paste[0]);
- close(results[0]);
- close(results[1]);
- r= fputs(xpmdata,f); eassert(r!=EOF);
- //size_t did= fwrite(sn->d, 1, sn->len, f);
- //eassert(did==sn->len);
- eassert(!fclose(f));
- exit(0);
- }
+#define SAMPLEMASK 0xfful
- close(paste[0]);
- close(paste[1]);
- close(results[1]);
+typedef struct {
+ int lshift, rshift;
+} ShMask;
- XpmFree(xpmdata);
+static void compute_shift_mask(ShMask *sm, unsigned long ximage_mask) {
+ sm->lshift= 0;
+ sm->rshift= 0;
- FILE *f= fdopen(results[0],"r");
- int c1= fgetc(f);
- if (c1!=EOF) {
- ungetc(c1,f);
- page_images[pageno]= file_read_image(f);
- r= fgetc(f); eassert(r==EOF); eassert(!ferror(f)); eassert(feof(f));
- fclose(f);
+ for (;;) {
+ if (ximage_mask <= (SAMPLEMASK>>1)) {
+ sm->lshift++; ximage_mask <<= 1;
+ } else if (ximage_mask > SAMPLEMASK) {
+ sm->rshift++; ximage_mask >>= 1;
+ } else {
+ break;
+ }
+ assert(!(sm->lshift && sm->rshift));
}
+ assert(sm->lshift < LONG_BIT);
+ assert(sm->rshift < LONG_BIT);
+}
- pid_t got_conv,got_paste;
- int st_conv, st_paste;
+static CanonImage *convert_page(Snapshot *sn) {
+ ShMask shiftmasks[3];
+ CanonImage *im;
+
+ fprintf(screenshots_file,
+ "P6\n"
+ "%d %d\n"
+ "255\n", sn->width, sn->height);
+
+#define COMPUTE_SHIFT_MASK(ix, rgb) \
+ compute_shift_mask(&shiftmasks[ix], sn->rgb##_mask)
+ COMPUTE_SHIFT_MASK(0, red);
+ COMPUTE_SHIFT_MASK(1, green);
+ COMPUTE_SHIFT_MASK(2, blue);
+
+ CANONICALISE_IMAGE(im, sn->width, sn->height, {
+ long xrgb= XGetPixel(sn, x, y);
+ int i;
+ rgb= 0;
+ for (i=0; i<3; i++) {
+ rgb <<= 8;
+ unsigned long sample=
+ ((xrgb << shiftmasks[i].lshift)
+ >> shiftmasks[i].rshift) & SAMPLEMASK;
+ rgb |= sample;
+ fputc(sample, screenshots_file);
+ }
+ });
- got_conv= waitpid(converter,&st_conv,0); eassert(got_conv==converter);
- got_paste= waitpid(paster,&st_paste,0); eassert(got_paste==paster);
+ eassert(!fflush(screenshots_file));
- if (!st_conv &&
- (!st_paste || (WIFSIGNALED(st_paste) && WTERMSIG(st_paste)==SIGPIPE))
- && c1!=EOF) {
- fclose(err);
- return;
- }
- rewind(err); int c; while ((c=getc(err))!=EOF) fputc(c,stderr);
- fprintf(stderr, "convert: subprocess statuses: %d %d\n", st_conv, st_paste);
- _exit(127);
+ return im;
}
-static void read_pages(void) {
+void take_screenshots(void) {
Snapshot *current=0, *last=0;
+ CanonImage *test;
- raise_and_set_focus();
+ /* find the window and check it's on the right kind of screen */
+ raise_and_get_details();
+ wait_for_stability(¤t,0,0);
+ test= convert_page(current);
+ find_structure(test);
+ free(test);
/* page to the top - keep pressing page up until the image stops changing */
+ set_focus();
wait_for_stability(¤t,0, send_pgup_many);
/* now to actually page down */
for (;;) {
- fprintf(stderr,"PAGING page %d\n",npages);
- store_page(npages, current);
+ fprintf(stderr,"paging page %d\n",npages);
+
+ eassert(npages < MAX_PAGES);
+ page_images[npages]= convert_page(current);
free_snapshot(&last); last=current; current=0;
+
fprintf(stderr,"PAGING page %d converted\n",npages);
wait_for_stability(¤t,last, 0);
fprintf(stderr,"PAGING all done.\n");
}
-int main(int argc, char **argv) {
- screenshot_startup();
-
- id= strtoul(*++argv,0,0);
+void take_one_screenshot(void) {
+ Snapshot *current=0;
+
+ raise_and_get_details();
+ sync_after_input();
+ wait_for_stability(¤t,0,0);
+ page_images[0]= convert_page(current);
+ npages= 1;
+}
- read_pages();
- return 0;
+void set_yppclient_window(unsigned long wul) {
+ id= wul;
}
+void find_yppclient_window(void) {
+ if (id) return;
+ eassert(!"finding client window NYI");
+}
~yarrgweb / ypp-sc-tools.main.git / blobdiff