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Add autocoloring to layer selector. Auto coloring feature now fully implemented. Fix #14

This commit is contained in:
Mario Hüttel 2019-06-13 22:22:59 +02:00
parent ee1b55120f
commit 61f607ac94
1 changed files with 30 additions and 0 deletions
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30
layer/layer-selector.c
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@ -783,12 +783,42 @@ void layer_selector_force_sort(LayerSelector *selector, enum layer_selector_sort
void layer_selector_auto_color_layers(LayerSelector *layer_selector, ColorPalette *palette, double global_alpha)
{
GList *le_list;
GList *le_list_ptr;
LayerElement *le;
unsigned int color_index = 0;
unsigned int color_count;
GdkRGBA color;
if (GDS_RENDER_IS_COLOR_PALETTE(palette) == FALSE || LAYER_IS_SELECTOR(layer_selector) == FALSE)
return;
if (global_alpha <= 0)
return;
if (GTK_IS_LIST_BOX(layer_selector->list_box) == FALSE)
return;
le_list = gtk_container_get_children(GTK_CONTAINER(layer_selector->list_box));
/* iterate over layer elements and fill colors */
color_index = 0;
color_count = color_palette_get_color_count(palette);
if (color_count == 0)
goto ret_free_le_list;
for (le_list_ptr = le_list; le_list_ptr != NULL; le_list_ptr = le_list_ptr->next) {
le = LAYER_ELEMENT(le_list_ptr->data);
if (le) {
color_palette_get_color(palette, &color, color_index++);
color.alpha *= global_alpha;
layer_element_set_color(le, &color);
if (color_index >= color_count)
color_index = 0;
}
}
ret_free_le_list:
g_list_free(le_list);
}
/** @} */