|
|
|
@ -99,7 +99,7 @@ int img_load(img_t *img, const char *filename) {
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void img_check_pan(img_t *img, win_t *win) {
|
|
|
|
|
if (!img)
|
|
|
|
|
if (!img || !win)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
if (img->w * img->zoom > win->w) {
|
|
|
|
@ -120,6 +120,23 @@ void img_check_pan(img_t *img, win_t *win) {
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int img_fit(img_t *img, win_t *win) {
|
|
|
|
|
float oz, zw, zh;
|
|
|
|
|
|
|
|
|
|
if (!img || !win)
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
oz = img->zoom;
|
|
|
|
|
zw = (float) win->w / (float) img->w;
|
|
|
|
|
zh = (float) win->h / (float) img->h;
|
|
|
|
|
|
|
|
|
|
img->zoom = MIN(zw, zh);
|
|
|
|
|
img->zoom = MAX(img->zoom, zoom_min);
|
|
|
|
|
img->zoom = MIN(img->zoom, zoom_max);
|
|
|
|
|
|
|
|
|
|
return oz != img->zoom;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void img_render(img_t *img, win_t *win) {
|
|
|
|
|
int sx, sy, sw, sh;
|
|
|
|
|
int dx, dy, dw, dh;
|
|
|
|
@ -128,7 +145,7 @@ void img_render(img_t *img, win_t *win) {
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
if (img->scalemode != SCALE_ZOOM) {
|
|
|
|
|
img_fit(img, win, 0);
|
|
|
|
|
img_fit(img, win);
|
|
|
|
|
if (img->scalemode == SCALE_DOWN && img->zoom > 1.0)
|
|
|
|
|
img->zoom = 1.0;
|
|
|
|
|
}
|
|
|
|
@ -176,24 +193,12 @@ void img_render(img_t *img, win_t *win) {
|
|
|
|
|
win_draw(win);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int img_fit(img_t *img, win_t *win, unsigned char set) {
|
|
|
|
|
float oz, zw, zh;
|
|
|
|
|
|
|
|
|
|
int img_fit_win(img_t *img, win_t *win) {
|
|
|
|
|
if (!img || !win)
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
oz = img->zoom;
|
|
|
|
|
zw = (float) win->w / (float) img->w;
|
|
|
|
|
zh = (float) win->h / (float) img->h;
|
|
|
|
|
|
|
|
|
|
img->zoom = MIN(zw, zh);
|
|
|
|
|
img->zoom = MAX(img->zoom, zoom_min);
|
|
|
|
|
img->zoom = MIN(img->zoom, zoom_max);
|
|
|
|
|
|
|
|
|
|
if (set)
|
|
|
|
|
img->scalemode = SCALE_FIT;
|
|
|
|
|
|
|
|
|
|
return oz != img->zoom;
|
|
|
|
|
img->scalemode = SCALE_FIT;
|
|
|
|
|
return img_fit(img, win);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int img_center(img_t *img, win_t *win) {
|
|
|
|
@ -217,6 +222,7 @@ int img_zoom(img_t *img, float z) {
|
|
|
|
|
|
|
|
|
|
z = MAX(z, zoom_min);
|
|
|
|
|
z = MIN(z, zoom_max);
|
|
|
|
|
|
|
|
|
|
img->scalemode = SCALE_ZOOM;
|
|
|
|
|
|
|
|
|
|
if (z != img->zoom) {
|
|
|
|
|