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imlib2_view: By default scale large images to fit on screen

This commit is contained in:
Kim Woelders 2021-08-20 05:52:36 +02:00
parent 34afe297cd
commit a748550fa4
1 changed files with 21 additions and 0 deletions
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21
src/bin/imlib2_view.c
View File

@ -17,6 +17,7 @@ static Pixmap pm = 0;
static int depth;
static int image_width = 0, image_height = 0;
static int window_width = 0, window_height = 0;
static char scale = 0;
static double scale_x = 1.;
static double scale_y = 1.;
static Imlib_Image bg_im = NULL;
@ -64,9 +65,27 @@ progress(Imlib_Image im, char percent, int update_x, int update_y,
{
int x, y, onoff;
window_width = DisplayWidth(disp, DefaultScreen(disp));
window_height = DisplayHeight(disp, DefaultScreen(disp));
window_width -= 32; /* Allow for decorations */
window_height -= 32;
imlib_context_set_image(im);
image_width = imlib_image_get_width();
image_height = imlib_image_get_height();
if (!scale &&
(image_width > window_width || image_height > window_height))
{
scale_x = scale_y = 1.;
while (window_width < SCALE_X(image_width) ||
window_height < SCALE_Y(image_height))
{
scale_x *= .5;
scale_y = scale_x;
}
}
window_width = SCALE_X(image_width);
window_height = SCALE_Y(image_height);
if (window_width > MAX_DIM)
@ -79,6 +98,7 @@ progress(Imlib_Image im, char percent, int update_x, int update_y,
window_height = MAX_DIM;
scale_y = (double)MAX_DIM / image_height;
}
if (pm)
XFreePixmap(disp, pm);
pm = XCreatePixmap(disp, win, window_width, window_height, depth);
@ -165,6 +185,7 @@ main(int argc, char **argv)
progress_print = 1;
break;
case 's': /* Scale (window size wrt. image size) */
scale = 1;
scale_x = scale_y = atof(optarg);
break;
case 'v':