int npages;
RgbImage *page0_rgbimage;
-char *ocean, *pirate;
+const char *ocean, *pirate;
static XWindowAttributes attr;
static Window id;
/*---------- pager ----------*/
-typedef XImage Snapshot;
+typedef RgbImage Snapshot;
static double last_input;
static const double min_update_allowance= 0.25;
}
static void free_snapshot(Snapshot **io) {
- if (*io) XDestroyImage(*io);
+ free(*io);
*io= 0;
}
+#define SAMPLEMASK 0xfful
+
+typedef struct {
+ int lshift, rshift;
+} ShMask;
+
+static void compute_shift_mask(ShMask *sm, unsigned long ximage_mask) {
+ sm->lshift= 0;
+ sm->rshift= 0;
+
+ 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);
+}
+
+static void rtimestamp(double *t, const char *wh) {
+ double n= timestamp();
+ debugf("PAGING INTERVAL %f %s\n", n-*t, wh);
+ *t= n;
+}
+
static void snapshot(Snapshot **output) {
- free_snapshot(output);
+ XImage *im_use, *im_free=0;
+
+ ShMask shiftmasks[3];
debugf("PAGING snapshot\n");
- timestamp();
- *output= XGetImage(disp,id, 0,0, wwidth,wheight, AllPlanes, ZPixmap);
- timestamp();
+ double begin= timestamp();
+ if (shmim) {
+ xassert( XShmGetImage(disp,id,shmim, 0,0, AllPlanes) );
+ rtimestamp(&begin, "XShmGetImage");
+
+ size_t dsz= shmim->bytes_per_line * shmim->height;
+ im_use= im_free= mmalloc(sizeof(*im_use) + dsz);
+ *im_free= *shmim;
+ im_free->data= (void*)(im_free+1);
+ memcpy(im_free->data, shmim->data, dsz);
+ rtimestamp(&begin, "mmalloc/memcpy");
+ } else {
+ xassert( im_use= im_free=
+ XGetImage(disp,id, 0,0, wwidth,wheight, AllPlanes, ZPixmap) );
+ rtimestamp(&begin, "XGetImage");
+ }
+
+#define COMPUTE_SHIFT_MASK(ix, rgb) \
+ compute_shift_mask(&shiftmasks[ix], im_use->rgb##_mask)
+ COMPUTE_SHIFT_MASK(0, red);
+ COMPUTE_SHIFT_MASK(1, green);
+ COMPUTE_SHIFT_MASK(2, blue);
+
+ if (!*output)
+ *output= alloc_rgb_image(wwidth, wheight);
+
+ rtimestamp(&begin, "compute_shift_masks+alloc_rgb_image");
+
+ int x,y,i;
+ unsigned char *op= (*output)->data;
+ for (y=0; y<wheight; y++) {
+ for (x=0; x<wwidth; x++) {
+ long xrgb= XGetPixel(im_use,x,y);
+ for (i=0; i<3; i++) {
+ unsigned long sample=
+ ((xrgb << shiftmasks[i].lshift) >> shiftmasks[i].rshift)
+ & SAMPLEMASK;
+ *op++= sample;
+ }
+ }
+ }
+ rtimestamp(&begin,"w*h*XGetPixel");
+ if (im_free)
+ XDestroyImage(im_free);
+
+ rtimestamp(&begin,"XDestroyImage");
check_not_disturbed();
debugf("PAGING snapshot done.\n");
}
static int identical(const Snapshot *a, const Snapshot *b) {
- if (!(a->width == b->width &&
- a->height == b->height &&
- a->bytes_per_line == b->bytes_per_line &&
- a->format == b->format))
+ if (!(a->w == b->w &&
+ a->h == b->h))
return 0;
- int compare_to= a->height;
+ int compare_to= a->h;
if (max_relevant_y && compare_to > max_relevant_y)
compare_to= max_relevant_y;
- return !memcmp(a->data, b->data, a->bytes_per_line * compare_to);
+ return !memcmp(a->data, b->data, a->w * 3 * compare_to);
}
static void wait_for_stability(Snapshot **output,
check_client_window_all_on_screen();
int shm= XShmQueryExtension(disp);
+ shm=0;
if (shm) {
xassert( shmim= XShmCreateImage(disp, attr.visual, attr.depth, ZPixmap,
0,&shminfo, wwidth,wheight) );
debugf("PAGING raise_and_set_focus done.\n");
}
-#define SAMPLEMASK 0xfful
-
-typedef struct {
- int lshift, rshift;
-} ShMask;
-
-static void compute_shift_mask(ShMask *sm, unsigned long ximage_mask) {
- sm->lshift= 0;
- sm->rshift= 0;
-
- 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);
-}
-
static CanonImage *convert_page(Snapshot *sn, RgbImage *ri) {
- ShMask shiftmasks[3];
CanonImage *im;
fprintf(screenshot_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);
+ "255\n", sn->w, sn->h);
- CANONICALISE_IMAGE(im, sn->width, sn->height, {
- long xrgb= XGetPixel(sn, x, y);
+ CANONICALISE_IMAGE(im, sn->w, sn->h, {
int i;
rgb= 0;
for (i=0; i<3; i++) {
rgb <<= 8;
- unsigned long sample=
- ((xrgb << shiftmasks[i].lshift)
- >> shiftmasks[i].rshift) & SAMPLEMASK;
+ unsigned long sample= RI_PIXEL(sn,x,y)[i];
rgb |= sample;
fputc(sample, screenshot_file);
}
/* find the window and check it's on the right kind of screen */
raise_and_get_details();
wait_for_stability(¤t,0,0, "checking current YPP client screen...");
+
+#if 1
+timestamp();
+snapshot(¤t);
+snapshot(¤t);
+snapshot(¤t);
+snapshot(¤t);
+snapshot(¤t);
+snapshot(¤t);
+snapshot(¤t);
+snapshot(¤t);
+snapshot(¤t);
+snapshot(¤t);
+timestamp();
+#endif
+
test= convert_page(current, 0);
find_structure(test, &max_relevant_y);
check_correct_commodities();
prepare_ypp_client();
wait_for_stability(¤t,0,0, "taking screenshot...");
- page0_rgbimage= alloc_rgb_image(current->width, current->height);
+ page0_rgbimage= alloc_rgb_image(current->w, current->h);
page_images[0]= convert_page(current, 0);
npages= 1;
progress_log("collected single screenshot.");
REQUIRE( !memcmp(title + len - S(suffix), suffix, S(suffix)) );
REQUIRE( !memcmp(spc1, onthe, S(onthe)) );
-#define ASSIGN(what, start, end) do { \
- sysassert( asprintf(&what, "%.*s", (end)-(start), start) >0 ); \
- }while(0)
- ASSIGN(pirate, title + S(prefix), spc1);
+#define ASSIGN(what, start, end) \
+ what= masprintf("%.*s", (end)-(start), start); \
+ if (o_##what) REQUIRE( !strcmp(o_##what, what) ); \
+ else
+
ASSIGN(ocean, spc1 + S(onthe), (title + len) - S(suffix));
+ ASSIGN(pirate, title + S(prefix), spc1);
debugfind(" YES!\n");
id= w2;
if (children1) XFree(children1);
}
if (nfound>1)
- fatal("Found several YPP clients."
+ fatal("Found several possible YPP clients."
" Close one, or specify the windowid with --window-id.\n");
if (nfound<1)
- fatal("Did not find YPP client."
- " Use --window-id and/or report this as a fault.\n");
+ fatal("Did not find %sYPP client."
+ " Use --window-id and/or report this as a fault.\n",
+ o_ocean || o_pirate ? "matching ": "");
}