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@@ -25,7 +25,7 @@ |
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void imlib_init(win_t *win) { |
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if (!win) |
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return; |
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imlib_context_set_display(win->env.dpy); |
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imlib_context_set_visual(win->env.vis); |
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imlib_context_set_colormap(win->env.cmap); |
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@@ -41,9 +41,64 @@ void img_load(img_t *img, char *filename) { |
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if (!(img->im = imlib_load_image(filename))) |
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DIE("could not open image: %s", filename); |
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imlib_context_set_image(img->im); |
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img->w = imlib_image_get_width(); |
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img->h = imlib_image_get_height(); |
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} |
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void img_render(img_t *img, win_t *win) { |
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float zw, zh; |
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unsigned int sx, sy, sw, sh; |
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unsigned int dx, dy, dw, dh; |
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if (!img || !win) |
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return; |
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/* set zoom level to fit image into window */ |
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if (img->scalemode != SCALE_ZOOM) { |
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zw = (float) win->w / (float) img->w; |
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zh = (float) win->h / (float) img->h; |
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img->zoom = MIN(zw, zh); |
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if (img->zoom * 100.0 < ZOOM_MIN) |
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img->zoom = ZOOM_MIN / 100.0; |
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else if (img->zoom * 100.0 > ZOOM_MAX) |
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img->zoom = ZOOM_MAX / 100.0; |
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if (img->scalemode == SCALE_DOWN && img->zoom > 1.0) |
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img->zoom = 1.0; |
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} |
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/* center image in window */ |
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img->x = (win->w - img->w * img->zoom) / 2; |
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img->y = (win->h - img->h * img->zoom) / 2; |
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if (img->x < 0) { |
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sx = -img->x / img->zoom; |
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sw = (img->x + win->w) / img->zoom; |
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dx = 0; |
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dw = win->w; |
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} else { |
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sx = 0; |
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sw = img->w; |
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dx = img->x; |
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dw = img->w * img->zoom; |
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} |
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if (img->y < 0) { |
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sy = -img->y / img->zoom; |
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sh = (img->y + win->h) / img->zoom; |
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dy = 0; |
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dh = win->h; |
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} else { |
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sy = 0; |
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sh = img->h; |
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dy = img->y; |
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dh = img->h * img->zoom; |
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} |
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win_clear(win); |
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imlib_render_image_part_on_drawable_at_size(sx, sy, sw, sh, dx, dy, dw, dh); |
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} |