static int test_rpng(const char *in_path)
{
#ifdef HAVE_IMLIB2
Imlib_Image img;
const uint32_t *imlib_data = NULL;
#endif
const uint32_t test_data[] = {
0xff000000 | 0x50, 0xff000000 | 0x80,
0xff000000 | 0x40, 0xff000000 | 0x88,
0xff000000 | 0x50, 0xff000000 | 0x80,
0xff000000 | 0x40, 0xff000000 | 0x88,
0xff000000 | 0xc3, 0xff000000 | 0xd3,
0xff000000 | 0xc3, 0xff000000 | 0xd3,
0xff000000 | 0xc3, 0xff000000 | 0xd3,
0xff000000 | 0xc3, 0xff000000 | 0xd3,
};
uint32_t *data = NULL;
unsigned width = 0;
unsigned height = 0;
if (!rpng_save_image_argb("/tmp/test.png", test_data, 4, 4, 16))
return 1;
if (!rpng_load_image_argb(in_path, &data, &width, &height))
return 2;
fprintf(stderr, "Path: %s.\n", in_path);
fprintf(stderr, "Got image: %u x %u.\n", width, height);
#if 0
fprintf(stderr, "\nRPNG:\n");
for (unsigned h = 0; h < height; h++)
{
unsigned w;
for (w = 0; w < width; w++)
fprintf(stderr, "[%08x] ", data[h * width + w]);
fprintf(stderr, "\n");
}
#endif
#ifdef HAVE_IMLIB2
/* Validate with imlib2 as well. */
img = imlib_load_image(in_path);
if (!img)
return 4;
imlib_context_set_image(img);
width = imlib_image_get_width();
height = imlib_image_get_width();
imlib_data = imlib_image_get_data_for_reading_only();
#if 0
fprintf(stderr, "\nImlib:\n");
for (unsigned h = 0; h < height; h++)
{
for (unsigned w = 0; w < width; w++)
fprintf(stderr, "[%08x] ", imlib_data[h * width + w]);
fprintf(stderr, "\n");
}
#endif
if (memcmp(imlib_data, data, width * height * sizeof(uint32_t)) != 0)
{
fprintf(stderr, "Imlib and RPNG differs!\n");
return 5;
}
else
fprintf(stderr, "Imlib and RPNG are equivalent!\n");
imlib_free_image();
#endif
free(data);
return 0;
}
/*
* Load & display image
*/
void qiv_load_image(qiv_image *q) {
/* Don't initialize most variables here, initialize them after load_next_image: */
struct stat st;
const char *image_name;
Imlib_Image *im;
struct timeval load_before, load_after;
char is_stat_ok;
/* Used to omit slow disk operations if image_file doesn't exist or isn't
* a file.
*/
char is_maybe_image_file;
char is_first_error = 1;
load_next_image:
is_stat_ok = 0;
is_maybe_image_file = 1;
image_name = image_names[image_idx];
gettimeofday(&load_before, 0);
if (imlib_context_get_image())
imlib_free_image();
q->real_w = q->real_h = -2;
q->has_thumbnail = FALSE;
if (!do_omit_load_stat) {
is_stat_ok = 0 == stat(image_name, &st);
is_maybe_image_file = is_stat_ok && S_ISREG(st.st_mode);
}
current_mtime = is_stat_ok ? st.st_mtime : 0;
im = NULL;
if (thumbnail && fullscreen && (is_stat_ok || maxpect)) {
char *th_image_name =
is_maybe_image_file ?
get_thumbnail_filename(image_name, &is_maybe_image_file) : NULL;
if (th_image_name) {
im = imlib_load_image(th_image_name);
if (im && maxpect) {
get_image_dimensions(image_name, th_image_name,
&q->real_w, &q->real_h);
}
free(th_image_name);
th_image_name = NULL;
}
}
if (im) { /* We have a dumb thumbnail in im. */
if (maxpect) {
current_mtime = 0;
q->has_thumbnail = TRUE;
/* Now im still has the thumbnail image. Keep it. */
} else { /* Use the real, non-thumbnail image instead. */
imlib_context_set_image(im);
imlib_free_image();
im = is_maybe_image_file ? imlib_load_image((char*)image_name) : NULL;
}
} else {
im = is_maybe_image_file ? imlib_load_image((char*)image_name) : NULL;
}
if (!im) { /* error */
q->error = 1;
q->orig_w = 400;
q->orig_h = 300;
if (to_root || to_root_t || to_root_s) {
fprintf(stderr, "qiv: cannot load background_image\n");
qiv_exit(1);
}
/* Shortcut to speed up lots of subsequent load failures. */
if (is_first_error) {
check_size(q, TRUE);
if (first) {
setup_win(q);
first = 0;
}
gdk_window_set_background(q->win, &error_bg);
gdk_beep();
is_first_error = 0;
}
/* TODO(pts): Avoid the slow loop of copying pointers around in update_image_on_error. */
update_image_on_error(q);
/* This is a shortcut to avoid stack overflow in the recursion of
* qiv_load_image -> update_image -> qiv_load_image -> update_image -> ...
* if there are errors loading many subsequent images.
*/
goto load_next_image;
}
if (thumbnail && !q->has_thumbnail && q->real_w < 0 && is_maybe_image_file) {
FILE *f = fopen(image_name, "rb");
if (f) {
get_real_dimensions_fast(f, &q->real_w, &q->real_h);
fclose(f);
}
}
/* Retrieve image properties */
imlib_context_set_image(im);
q->error = 0;
q->orig_w = imlib_image_get_width();
q->orig_h = imlib_image_get_height();
if (q->orig_w >= (1 << 23) / q->orig_h) {
/* Workaround for Imlib2 1.4.6 on Ubuntu Trusty: PNG images with an
* alpha channel and pixel count >= (1 << 23) are displayed as black.
* imlib_image_query_pixel returns the correct value, but
* imlib_render_pixmaps_for_whole_image_at_size renders only black
* pixels if unzoomed.
*/
Imlib_Color c;
/* Without this call, imlib_image_set_has_alpha(0) is too early, and
* it has no effect.
*/
imlib_image_query_pixel(0, 0, &c);
imlib_image_set_has_alpha(0);
}
#ifdef HAVE_EXIF
if (autorotate) {
transform( q, orient( image_name));
}
#endif
check_size(q, TRUE);
if (first) {
setup_win(q);
first = 0;
}
/* desktop-background -> exit */
if (to_root || to_root_t || to_root_s) {
set_desktop_image(q);
if(slide)
return;
else
qiv_exit(0);
}
gdk_window_set_background(q->win, &image_bg);
if (do_grab || (fullscreen && !disable_grab) ) {
gdk_keyboard_grab(q->win, FALSE, CurrentTime);
gdk_pointer_grab(q->win, FALSE,
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_ENTER_NOTIFY_MASK |
GDK_LEAVE_NOTIFY_MASK | GDK_POINTER_MOTION_MASK, NULL, NULL, CurrentTime);
}
gettimeofday(&load_after, 0);
/* load_elapsed used by update_image. */
load_elapsed = ((load_after.tv_sec + load_after.tv_usec / 1.0e6) -
(load_before.tv_sec + load_before.tv_usec / 1.0e6));
update_image(q, FULL_REDRAW);
// if (magnify && !fullscreen) { // [lc]
// setup_magnify(q, &magnify_img);
// update_magnify(q, &magnify_img, FULL_REDRAW, 0, 0);
// }
}
static int
x11_load_image(w3mimg_op * self, W3MImage * img, char *fname, int w, int h)
{
struct x11_info *xi;
#if defined(USE_IMLIB)
ImlibImage *im;
#elif defined(USE_IMLIB2)
Imlib_Image im;
#elif defined(USE_GDKPIXBUF)
GdkPixbufAnimation *animation;
GList *frames;
int i, j, iw, ih, n, frame_num, delay, max_anim;
double ratio_w, ratio_h;
struct x11_image *ximg;
Pixmap tmp_pixmap;
#endif
if (self == NULL)
return 0;
xi = (struct x11_info *)self->priv;
if (xi == NULL)
return 0;
#if defined(USE_IMLIB)
im = Imlib_load_image(xi->id, fname);
if (!im)
return 0;
if (w <= 0)
w = im->rgb_width;
if (h <= 0)
h = im->rgb_height;
img->pixmap = (void *)XCreatePixmap(xi->display, xi->parent, w, h,
DefaultDepth(xi->display, 0));
if (!img->pixmap)
return 0;
XSetForeground(xi->display, xi->imageGC, xi->background_pixel);
XFillRectangle(xi->display, (Pixmap) img->pixmap, xi->imageGC, 0, 0, w, h);
Imlib_paste_image(xi->id, im, (Pixmap) img->pixmap, 0, 0, w, h);
Imlib_kill_image(xi->id, im);
#elif defined(USE_IMLIB2)
im = imlib_load_image(fname);
if (!im)
return 0;
imlib_context_set_image(im);
if (w <= 0)
w = imlib_image_get_width();
if (h <= 0)
h = imlib_image_get_height();
img->pixmap = (void *)XCreatePixmap(xi->display, xi->parent, w, h,
DefaultDepth(xi->display, 0));
if (!img->pixmap)
return 0;
XSetForeground(xi->display, xi->imageGC, xi->background_pixel);
XFillRectangle(xi->display, (Pixmap) img->pixmap, xi->imageGC, 0, 0, w, h);
imlib_context_set_display(xi->display);
imlib_context_set_visual(DefaultVisual(xi->display, 0));
imlib_context_set_colormap(DefaultColormap(xi->display, 0));
imlib_context_set_drawable((Drawable) img->pixmap);
imlib_render_image_on_drawable_at_size(0, 0, w, h);
imlib_free_image();
#elif defined(USE_GDKPIXBUF)
max_anim = self->max_anim;
animation = gdk_pixbuf_animation_new_from_file(fname);
if (!animation)
return 0;
frames = gdk_pixbuf_animation_get_frames(animation);
frame_num = n = gdk_pixbuf_animation_get_num_frames(animation);
get_animation_size(animation, &iw, &ih, &delay);
if (delay <= 0)
max_anim = -1;
if (max_anim < 0) {
frame_num = (-max_anim > n) ? n : -max_anim;
}
else if (max_anim > 0) {
frame_num = n = (max_anim > n) ? n : max_anim;
}
if (w < 1 || h < 1) {
w = iw;
h = ih;
ratio_w = ratio_h = 1;
}
else {
ratio_w = 1.0 * w / iw;
ratio_h = 1.0 * h / ih;
}
tmp_pixmap = XCreatePixmap(xi->display, xi->parent, w, h,
DefaultDepth(xi->display, 0));
XFillRectangle(xi->display, (Pixmap) tmp_pixmap, xi->imageGC, 0, 0, w, h);
if (!tmp_pixmap) {
gdk_pixbuf_animation_unref(animation);
return 0;
}
ximg = x11_img_new(xi, w, h, frame_num);
if (!ximg) {
XFreePixmap(xi->display, tmp_pixmap);
gdk_pixbuf_animation_unref(animation);
return 0;
}
for (j = 0; j < n; j++) {
GdkPixbufFrame *frame;
GdkPixbuf *org_pixbuf, *pixbuf;
int width, height, ofstx, ofsty;
if (max_anim < 0) {
i = (j - n + frame_num > 0) ? (j - n + frame_num) : 0;
}
else {
i = j;
}
frame = (GdkPixbufFrame *) g_list_nth_data(frames, j);
org_pixbuf = gdk_pixbuf_frame_get_pixbuf(frame);
ofstx = gdk_pixbuf_frame_get_x_offset(frame);
ofsty = gdk_pixbuf_frame_get_y_offset(frame);
delay = gdk_pixbuf_frame_get_delay_time(frame);
width = gdk_pixbuf_get_width(org_pixbuf);
height = gdk_pixbuf_get_height(org_pixbuf);
if (ofstx == 0 && ofsty == 0 && width == w && height == h) {
pixbuf = resize_image(org_pixbuf, w, h);
}
else {
pixbuf =
resize_image(org_pixbuf, width * ratio_w, height * ratio_h);
ofstx *= ratio_w;
ofsty *= ratio_h;
}
width = gdk_pixbuf_get_width(pixbuf);
height = gdk_pixbuf_get_height(pixbuf);
if (delay > ximg->delay)
ximg->delay = delay;
XCopyArea(xi->display, tmp_pixmap, ximg->pixmap[i],
xi->imageGC, 0, 0, w, h, 0, 0);
gdk_pixbuf_xlib_render_to_drawable_alpha(pixbuf,
(Drawable) ximg->pixmap[i], 0,
0, ofstx, ofsty, width,
height,
GDK_PIXBUF_ALPHA_BILEVEL, 1,
XLIB_RGB_DITHER_NORMAL, 0, 0);
switch (gdk_pixbuf_frame_get_action(frame)) {
case GDK_PIXBUF_FRAME_RETAIN:
XCopyArea(xi->display, ximg->pixmap[i], tmp_pixmap,
xi->imageGC, 0, 0, w, h, 0, 0);
break;
case GDK_PIXBUF_FRAME_DISPOSE:
break;
case GDK_PIXBUF_FRAME_REVERT:
XCopyArea(xi->display, ximg->pixmap[0], tmp_pixmap,
xi->imageGC, 0, 0, w, h, 0, 0);
break;
default:
XCopyArea(xi->display, ximg->pixmap[0], tmp_pixmap,
xi->imageGC, 0, 0, w, h, 0, 0);
break;
}
if (org_pixbuf != pixbuf)
gdk_pixbuf_finalize(pixbuf);
}
XFreePixmap(xi->display, tmp_pixmap);
gdk_pixbuf_animation_unref(animation);
img->pixmap = ximg;
#endif
img->width = w;
img->height = h;
return 1;
}
