Merge branch 'color-palette-feature' into dev
This commit is contained in:
commit
f5f8509b91
@ -61,6 +61,7 @@ struct _GdsRenderGui {
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GList *gds_libraries;
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ActivityBar *activity_status_bar;
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struct render_settings render_dialog_settings;
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ColorPalette *palette;
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};
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G_DEFINE_TYPE(GdsRenderGui, gds_render_gui, G_TYPE_OBJECT)
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@ -239,6 +240,20 @@ end_destroy:
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gtk_widget_destroy(open_dialog);
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}
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/**
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* @brief Callback for auto coloring button
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* @param button
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* @param user
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*/
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static void on_auto_color_clicked(gpointer button, gpointer user)
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{
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GdsRenderGui *self;
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(void)button;
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self = RENDERER_GUI(user);
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layer_selector_auto_color_layers(self->layer_selector, self->palette, 1.0);
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}
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/**
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* @brief Convert button callback
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* @param button
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@ -445,6 +460,7 @@ static void gds_render_gui_dispose(GObject *gobject)
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g_clear_object(&self->cell_tree_store);
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g_clear_object(&self->cell_search_entry);
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g_clear_object(&self->activity_status_bar);
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g_clear_object(&self->palette);
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if (self->main_window) {
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g_signal_handlers_destroy(self->main_window);
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@ -488,6 +504,7 @@ static void gds_render_gui_init(GdsRenderGui *self)
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GtkWidget *sort_up_button;
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GtkWidget *sort_down_button;
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GtkWidget *activity_bar_box;
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GtkWidget *auto_color_button;
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main_builder = gtk_builder_new_from_resource("/gui/main.glade");
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@ -538,19 +555,24 @@ static void gds_render_gui_init(GdsRenderGui *self)
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g_signal_connect(GTK_WIDGET(self->main_window), "delete-event",
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G_CALLBACK(on_window_close), self);
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g_object_unref(main_builder);
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/* Create and apply ActivityBar */
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self->activity_status_bar = activity_bar_new();
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gtk_container_add(GTK_CONTAINER(activity_bar_box), GTK_WIDGET(self->activity_status_bar));
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gtk_widget_show(GTK_WIDGET(self->activity_status_bar));
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/* Create color palette */
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self->palette = color_palette_new_from_resource("/data/color-palette.txt");
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auto_color_button = GTK_WIDGET(gtk_builder_get_object(main_builder, "auto-color-button"));
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g_signal_connect(auto_color_button, "clicked", G_CALLBACK(on_auto_color_clicked), self);
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/* Set default conversion/rendering settings */
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self->render_dialog_settings.scale = 1000;
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self->render_dialog_settings.renderer = RENDERER_LATEX_TIKZ;
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self->render_dialog_settings.tex_pdf_layers = FALSE;
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self->render_dialog_settings.tex_standalone = FALSE;
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g_object_unref(main_builder);
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/* Reference all objects referenced by this object */
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g_object_ref(self->activity_status_bar);
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@ -560,6 +582,7 @@ static void gds_render_gui_init(GdsRenderGui *self)
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g_object_ref(self->layer_selector);
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g_object_ref(self->cell_tree_store);
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g_object_ref(self->cell_search_entry);
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g_object_ref(self->palette);
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}
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GdsRenderGui *gds_render_gui_new()
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@ -33,6 +33,7 @@
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#include <gtk/gtk.h>
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#include <glib.h>
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#include <gds-render/layer/color-palette.h>
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G_BEGIN_DECLS
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@ -90,6 +91,14 @@ GList *layer_selector_export_rendered_layer_info(LayerSelector *selector);
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*/
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void layer_selector_force_sort(LayerSelector *selector, enum layer_selector_sort_algo sort_function);
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/**
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* @brief Apply colors from palette to all layers. Aditionally set alpha
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* @param layer_selector LayerSelector object
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* @param palette Color palette to use
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* @param global_alpha Additional alpha value that is applied to all layers
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*/
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void layer_selector_auto_color_layers(LayerSelector *layer_selector, ColorPalette *palette, double global_alpha);
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G_END_DECLS
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#endif /* __LAYER_SELECTOR_H__ */
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@ -40,6 +40,40 @@ struct _ColorPalette {
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G_DEFINE_TYPE(ColorPalette, color_palette, G_TYPE_OBJECT)
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/**
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* @brief Return the number of non empty lines in array
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*
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* This function returns the number of non empty lines in an
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* array. The scanning is either terminated by the given length
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* or if a \0 terminator is found.
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*
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* @param[in] data Array to count lines in
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* @param[in] length Length of \p data
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* @return < 0: Error, >=0: Lines
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*/
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static int count_non_empty_lines_in_array(const char *data, size_t length)
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{
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unsigned int idx;
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int non_empty_lines;
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char last_char = '\n';
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if (!data)
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return -1;
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/* Count each '\n' as a new line if it is not directly preceded by another '\n' */
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for (idx = 0; idx < length && data[idx]; idx++) {
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if (data[idx] == '\n' && last_char != '\n')
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non_empty_lines++;
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last_char = data[idx];
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}
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/* Count the last line in case the data does not end with a '\n' */
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if (data[idx-1] != '\n')
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non_empty_lines++;
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return non_empty_lines;
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}
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/**
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* @brief color_palette_fill_with_resource
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* @param palette
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@ -49,7 +83,16 @@ G_DEFINE_TYPE(ColorPalette, color_palette, G_TYPE_OBJECT)
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static int color_palette_fill_with_resource(ColorPalette *palette, char *resource_name)
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{
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GBytes *data;
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char *char_array;
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char line[10];
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int line_idx;
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unsigned int color_idx;
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int idx;
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const char *char_array;
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gsize byte_count;
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int lines;
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GRegex *regex;
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GMatchInfo *mi;
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char *match;
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if (!palette || !resource_name)
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return -1;
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@ -59,7 +102,81 @@ static int color_palette_fill_with_resource(ColorPalette *palette, char *resourc
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if (!data)
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return -2;
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char_array = (const char *)g_bytes_get_data(data, &byte_count);
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if (!char_array || !byte_count)
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goto ret_unref;
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/* Get maximum lenght of color palette, assuming all entries are valid */
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lines = count_non_empty_lines_in_array(char_array, byte_count);
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if (lines <= 0)
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goto ret_unref;
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palette->color_array = (GdkRGBA *)malloc(sizeof(GdkRGBA) * (unsigned int)lines);
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/* Setup regex for hexadecimal RGB colors like 'A0CB3F' */
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regex = g_regex_new("^(?<red>[0-9A-Fa-f][0-9A-Fa-f])(?<green>[0-9A-Fa-f][0-9A-Fa-f])(?<blue>[0-9A-Fa-f][0-9A-Fa-f])$", 0, 0, NULL);
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/* Reset line */
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line_idx = 0;
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line[0] = '\0';
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/* Set color index */
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color_idx = 0;
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/* interate over lines and match */
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for (idx = 0 ; idx < byte_count; idx++) {
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/* Fillup line. */
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line[line_idx] = char_array[idx];
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/* If end of line/string is reached, process */
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if (line[line_idx] == '\n' || line[line_idx] == '\0') {
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line[line_idx] = '\0';
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/* Match the line */
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g_regex_match(regex, line, 0, &mi);
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if (g_match_info_matches(mi) && color_idx < lines) {
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match = g_match_info_fetch_named(mi, "red");
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palette->color_array[color_idx].red = (double)g_ascii_strtoll(match, NULL, 16) / 255.0;
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g_free(match);
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match = g_match_info_fetch_named(mi, "green");
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palette->color_array[color_idx].green = (double)g_ascii_strtoll(match, NULL, 16) / 255.0;
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g_free(match);
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match = g_match_info_fetch_named(mi, "blue");
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palette->color_array[color_idx].blue = (double)g_ascii_strtoll(match, NULL, 16) / 255.0;
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g_free(match);
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/* Only RGB supported so far. Fix alpha channel to 1.0 */
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palette->color_array[color_idx].alpha = 1.0;
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color_idx++;
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}
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g_match_info_free(mi);
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/* End of string */
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if (char_array[idx] == '\0')
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break;
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line_idx = 0;
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continue;
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}
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/* increment line index. If end is reached write all bytes to the line end
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* line is longer than required for parsing. This ensures, that everything works as expected
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*/
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line_idx += (line_idx < sizeof(line)-1 ? 1 : 0);
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}
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/* Data read; Shrink array in case of invalid lines */
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palette->color_array = realloc(palette->color_array, (size_t)color_idx * sizeof(GdkRGBA));
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palette->color_array_length = color_idx;
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g_regex_unref(regex);
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ret_unref:
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g_bytes_unref(data);
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return 0;
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@ -781,4 +781,44 @@ void layer_selector_force_sort(LayerSelector *selector, enum layer_selector_sort
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gtk_list_box_set_sort_func(box, NULL, NULL, NULL);
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}
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void layer_selector_auto_color_layers(LayerSelector *layer_selector, ColorPalette *palette, double global_alpha)
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{
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GList *le_list;
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GList *le_list_ptr;
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LayerElement *le;
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unsigned int color_index = 0;
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unsigned int color_count;
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GdkRGBA color;
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if (GDS_RENDER_IS_COLOR_PALETTE(palette) == FALSE || LAYER_IS_SELECTOR(layer_selector) == FALSE)
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return;
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if (global_alpha <= 0)
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return;
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if (GTK_IS_LIST_BOX(layer_selector->list_box) == FALSE)
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return;
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le_list = gtk_container_get_children(GTK_CONTAINER(layer_selector->list_box));
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/* iterate over layer elements and fill colors */
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color_index = 0;
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color_count = color_palette_get_color_count(palette);
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if (color_count == 0)
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goto ret_free_le_list;
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for (le_list_ptr = le_list; le_list_ptr != NULL; le_list_ptr = le_list_ptr->next) {
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le = LAYER_ELEMENT(le_list_ptr->data);
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if (le) {
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color_palette_get_color(palette, &color, color_index++);
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color.alpha *= global_alpha;
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layer_element_set_color(le, &color);
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if (color_index >= color_count)
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color_index = 0;
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}
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}
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ret_free_le_list:
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g_list_free(le_list);
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}
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/** @} */
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