Apply gamma value on thumbnails too; fixes issue #193
This commit is contained in:
Bert Münnich
parent
47af0dd7b5
commit
47e6cd0669
2
Makefile
2
Makefile
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@ -1,4 +1,4 @@
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VERSION := git-20150104
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VERSION := git-20150105
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PREFIX := /usr/local
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MANPREFIX := $(PREFIX)/share/man
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16
commands.c
16
commands.c
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@ -260,6 +260,17 @@ bool cg_navigate_marked(arg_t a)
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}
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}
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bool cg_change_gamma(arg_t a)
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{
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if (img_change_gamma(&img, (long) a * (prefix > 0 ? prefix : 1))) {
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if (mode == MODE_THUMB)
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tns.dirty = true;
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return true;
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} else {
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return false;
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}
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}
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bool ci_navigate(arg_t a)
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{
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long n = (long) a;
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@ -419,11 +430,6 @@ bool ci_flip(arg_t a)
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return true;
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}
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bool ci_change_gamma(arg_t a)
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{
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return img_change_gamma(&img, (long) a);
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}
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bool ci_toggle_antialias(arg_t a)
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{
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img_toggle_antialias(&img);
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@ -13,6 +13,7 @@ G_CMD(toggle_image_mark)
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G_CMD(reverse_marks)
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G_CMD(unmark_all)
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G_CMD(navigate_marked)
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G_CMD(change_gamma)
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I_CMD(navigate)
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I_CMD(alternate)
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@ -25,7 +26,6 @@ I_CMD(set_zoom)
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I_CMD(fit_to_win)
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I_CMD(rotate)
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I_CMD(flip)
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I_CMD(change_gamma)
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I_CMD(toggle_antialias)
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I_CMD(toggle_alpha)
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I_CMD(slideshow)
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@ -88,6 +88,9 @@ static const keymap_t keys[] = {
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{ ControlMask, XK_m, g_unmark_all, (arg_t) None },
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{ 0, XK_N, g_navigate_marked, (arg_t) +1 },
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{ 0, XK_P, g_navigate_marked, (arg_t) -1 },
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{ 0, XK_braceleft, g_change_gamma, (arg_t) -1 },
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{ 0, XK_braceright, g_change_gamma, (arg_t) +1 },
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{ ControlMask, XK_g, g_change_gamma, (arg_t) 0 },
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{ 0, XK_h, t_move_sel, (arg_t) DIR_LEFT },
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{ 0, XK_Left, t_move_sel, (arg_t) DIR_LEFT },
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@ -133,9 +136,6 @@ static const keymap_t keys[] = {
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{ 0, XK_question, i_rotate, (arg_t) DEGREE_180 },
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{ 0, XK_bar, i_flip, (arg_t) FLIP_HORIZONTAL },
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{ 0, XK_underscore, i_flip, (arg_t) FLIP_VERTICAL },
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{ 0, XK_braceleft, i_change_gamma, (arg_t) -1 },
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{ 0, XK_braceright, i_change_gamma, (arg_t) +1 },
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{ ControlMask, XK_g, i_change_gamma, (arg_t) 0 },
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{ 0, XK_a, i_toggle_antialias, (arg_t) None },
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{ 0, XK_A, i_toggle_alpha, (arg_t) None },
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{ 0, XK_s, i_slideshow, (arg_t) None },
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37
image.c
37
image.c
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@ -46,22 +46,6 @@ static int zoomdiff(float z1, float z2)
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return (int) (z1 * 1000.0 - z2 * 1000.0);
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}
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static void img_apply_gamma(img_t *img)
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{
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if (img == NULL || img->im == NULL || img->cmod == NULL)
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return;
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if (img->gamma == 0) {
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imlib_context_set_color_modifier(NULL);
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} else {
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double range = img->gamma <= 0 ? 1.0 : GAMMA_MAX - 1.0;
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imlib_context_set_color_modifier(img->cmod);
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imlib_reset_color_modifier();
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imlib_modify_color_modifier_gamma(1.0 + img->gamma * (range / GAMMA_RANGE));
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}
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}
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void img_init(img_t *img, win_t *win)
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{
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zoom_min = zoom_levels[0] / 100.0;
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@ -89,6 +73,7 @@ void img_init(img_t *img, win_t *win)
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img->multi.length = 0;
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img->cmod = imlib_create_color_modifier();
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imlib_context_set_color_modifier(img->cmod);
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img->gamma = MIN(MAX(options->gamma, -GAMMA_RANGE), GAMMA_RANGE);
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img->ss.on = options->slideshow > 0;
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@ -339,8 +324,6 @@ bool img_load(img_t *img, const fileinfo_t *file)
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img_load_gif(img, file);
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#endif
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}
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img_apply_gamma(img);
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img->w = imlib_image_get_width();
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img->h = imlib_image_get_height();
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img->checkpan = true;
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@ -371,9 +354,6 @@ void img_close(img_t *img, bool decache)
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imlib_free_image();
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img->im = NULL;
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}
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if (img->cmod)
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imlib_context_set_color_modifier(NULL);
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}
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void img_check_pan(img_t *img, bool moved)
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@ -529,9 +509,7 @@ void img_render(img_t *img)
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imlib_blend_image_onto_image(img->im, 0, sx, sy, sw, sh, 0, 0, dw, dh);
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imlib_context_set_color_modifier(NULL);
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imlib_render_image_on_drawable(dx, dy);
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imlib_free_image();
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if (img->gamma != 0)
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imlib_context_set_color_modifier(img->cmod);
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} else {
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imlib_render_image_part_on_drawable_at_size(sx, sy, sw, sh, dx, dy, dw, dh);
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@ -771,20 +749,23 @@ bool img_change_gamma(img_t *img, int d)
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* d > 0: increase gamma
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*/
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int gamma;
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double range;
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if (img == NULL || img->im == NULL)
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if (img == NULL)
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return false;
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if (d == 0)
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gamma = 0;
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else if (d < 0)
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gamma = MAX(-GAMMA_RANGE, img->gamma - 1);
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else
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gamma = MIN(+GAMMA_RANGE, img->gamma + 1);
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gamma = MIN(MAX(img->gamma + d, -GAMMA_RANGE), GAMMA_RANGE);
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if (img->gamma != gamma) {
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imlib_reset_color_modifier();
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if (gamma != 0) {
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range = gamma <= 0 ? 1.0 : GAMMA_MAX - 1.0;
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imlib_modify_color_modifier_gamma(1.0 + gamma * (range / GAMMA_RANGE));
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}
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img->gamma = gamma;
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img_apply_gamma(img);
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img->dirty = true;
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return true;
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} else {
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