static void gth_file_tool_adjust_contrast_destroy_options (GthFileTool *base) { GthFileToolAdjustContrast *self; GtkWidget *window; GtkWidget *viewer_page; self = (GthFileToolAdjustContrast *) base; if (self->priv->apply_event != 0) { g_source_remove (self->priv->apply_event); self->priv->apply_event = 0; } window = gth_file_tool_get_window (GTH_FILE_TOOL (self)); viewer_page = gth_browser_get_viewer_page (GTH_BROWSER (window)); gth_image_viewer_page_reset_viewer_tool (GTH_IMAGE_VIEWER_PAGE (viewer_page)); gth_viewer_page_update_sensitivity (GTH_VIEWER_PAGE (viewer_page)); _g_clear_object (&self->priv->builder); _cairo_clear_surface (&self->priv->preview); _cairo_clear_surface (&self->priv->destination); self->priv->method = GTH_FILTER_GRID_NO_FILTER; self->priv->last_applied_method = GTH_FILTER_GRID_NO_FILTER; }
void gth_image_info_set_image (GthImageInfo *image_info, cairo_surface_t *image) { int thumb_w; int thumb_h; g_return_if_fail (image != NULL); _cairo_clear_surface (&image_info->image); _cairo_clear_surface (&image_info->thumbnail_original); _cairo_clear_surface (&image_info->thumbnail); _cairo_clear_surface (&image_info->thumbnail_active); image_info->image = cairo_surface_reference (image); thumb_w = image_info->original_width = image_info->image_width = cairo_image_surface_get_width (image); thumb_h = image_info->original_height = image_info->image_height = cairo_image_surface_get_height (image); if (scale_keeping_ratio (&thumb_w, &thumb_h, THUMBNAIL_SIZE, THUMBNAIL_SIZE, FALSE)) image_info->thumbnail_original = _cairo_image_surface_scale (image, thumb_w, thumb_h, SCALE_FILTER_BEST, NULL); else image_info->thumbnail_original = cairo_surface_reference (image_info->image); image_info->thumbnail = cairo_surface_reference (image_info->thumbnail_original); image_info->thumbnail_active = _cairo_image_surface_color_shift (image_info->thumbnail, 30); }
static void gth_file_tool_resize_destroy_options (GthFileTool *base) { GthFileToolResize *self; GtkWidget *window; GtkWidget *viewer_page; GtkWidget *viewer; GSettings *viewer_settings; self = (GthFileToolResize *) base; if (self->priv->update_size_id != 0) { g_source_remove (self->priv->update_size_id); self->priv->update_size_id = 0; } if (self->priv->builder != NULL) { int unit; /* save the dialog options */ unit = gtk_combo_box_get_active (GTK_COMBO_BOX (GET_WIDGET ("unit_combobox"))); g_settings_set_enum (self->priv->settings, PREF_RESIZE_UNIT, unit); g_settings_set_double (self->priv->settings, PREF_RESIZE_WIDTH, (float) gtk_spin_button_get_value (GTK_SPIN_BUTTON (GET_WIDGET ("resize_width_spinbutton")))); g_settings_set_double (self->priv->settings, PREF_RESIZE_HEIGHT, (float) gtk_spin_button_get_value (GTK_SPIN_BUTTON (GET_WIDGET ("resize_height_spinbutton")))); g_settings_set_int (self->priv->settings, PREF_RESIZE_ASPECT_RATIO_WIDTH, gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (GET_WIDGET ("ratio_w_spinbutton")))); g_settings_set_int (self->priv->settings, PREF_RESIZE_ASPECT_RATIO_HEIGHT, gtk_spin_button_get_value_as_int (GTK_SPIN_BUTTON (GET_WIDGET ("ratio_h_spinbutton")))); g_settings_set_enum (self->priv->settings, PREF_RESIZE_ASPECT_RATIO, gtk_combo_box_get_active (GTK_COMBO_BOX (self->priv->ratio_combobox))); g_settings_set_boolean (self->priv->settings, PREF_RESIZE_ASPECT_RATIO_INVERT, gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (GET_WIDGET ("invert_ratio_checkbutton")))); g_settings_set_boolean (self->priv->settings, PREF_RESIZE_HIGH_QUALITY, gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (GET_WIDGET ("high_quality_checkbutton")))); /* destroy the options data */ _cairo_clear_surface (&self->priv->new_image); _cairo_clear_surface (&self->priv->preview); _g_clear_object (&self->priv->builder); } window = gth_file_tool_get_window (GTH_FILE_TOOL (self)); viewer_page = gth_browser_get_viewer_page (GTH_BROWSER (window)); gth_image_viewer_page_reset_viewer_tool (GTH_IMAGE_VIEWER_PAGE (viewer_page)); /* restore the zoom quality */ viewer = gth_image_viewer_page_get_image_viewer (GTH_IMAGE_VIEWER_PAGE (viewer_page)); viewer_settings = g_settings_new (GTHUMB_IMAGE_VIEWER_SCHEMA); gth_image_viewer_set_zoom_quality (GTH_IMAGE_VIEWER (viewer), g_settings_get_enum (viewer_settings, PREF_IMAGE_VIEWER_ZOOM_QUALITY)); g_object_unref (viewer_settings); }
static void gth_file_tool_adjust_contrast_finalize (GObject *object) { GthFileToolAdjustContrast *self; g_return_if_fail (object != NULL); g_return_if_fail (GTH_IS_FILE_TOOL_ADJUST_CONTRAST (object)); self = (GthFileToolAdjustContrast *) object; _g_clear_object (&self->priv->builder); _cairo_clear_surface (&self->priv->preview); _cairo_clear_surface (&self->priv->destination); G_OBJECT_CLASS (gth_file_tool_adjust_contrast_parent_class)->finalize (object); }
static void resize_task_completed_cb (GthTask *task, GError *error, gpointer user_data) { GthFileToolResize *self = user_data; GtkWidget *window; GtkWidget *viewer_page; self->priv->resize_task = NULL; if (self->priv->closing) { g_object_unref (task); gth_image_viewer_page_tool_reset_image (GTH_IMAGE_VIEWER_PAGE_TOOL (self)); return; } if (error != NULL) { if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) update_image_size (self); g_object_unref (task); return; } _cairo_clear_surface (&self->priv->new_image); self->priv->new_image = gth_image_task_get_destination_surface (GTH_IMAGE_TASK (task)); if (self->priv->new_image == NULL) { g_object_unref (task); return; } window = gth_file_tool_get_window (GTH_FILE_TOOL (self)); viewer_page = gth_browser_get_viewer_page (GTH_BROWSER (window)); gth_image_viewer_page_set_image (GTH_IMAGE_VIEWER_PAGE (viewer_page), self->priv->new_image, FALSE); if (self->priv->apply_to_original) { gth_image_history_add_surface (gth_image_viewer_page_get_history (GTH_IMAGE_VIEWER_PAGE (viewer_page)), self->priv->new_image, -1, TRUE); gth_viewer_page_focus (GTH_VIEWER_PAGE (viewer_page)); gth_file_tool_hide_options (GTH_FILE_TOOL (self)); } else { update_dimensione_info_label (self, "new_dimensions_label", self->priv->new_width, self->priv->new_height, TRUE); update_dimensione_info_label (self, "scale_factor_label", (double) self->priv->new_width / self->priv->original_width, (double) self->priv->new_height / self->priv->original_height, FALSE); } g_object_unref (task); }
void gth_image_info_rotate (GthImageInfo *image_info, int angle) { angle = angle % 360; image_info->rotation = GTH_TRANSFORM_NONE; switch (angle) { case 90: image_info->rotation = GTH_TRANSFORM_ROTATE_90; break; case 180: image_info->rotation = GTH_TRANSFORM_ROTATE_180; break; case 270: image_info->rotation = GTH_TRANSFORM_ROTATE_270; break; default: break; } _cairo_clear_surface (&image_info->thumbnail); if (image_info->thumbnail_original != NULL) image_info->thumbnail = _cairo_image_surface_transform (image_info->thumbnail_original, image_info->rotation); _cairo_clear_surface (&image_info->thumbnail_active); if (image_info->thumbnail != NULL) image_info->thumbnail_active = _cairo_image_surface_color_shift (image_info->thumbnail, 30); if ((angle == 90) || (angle == 270)) { image_info->image_width = image_info->original_height; image_info->image_height = image_info->original_width; } else { image_info->image_width = image_info->original_width; image_info->image_height = image_info->original_height; } }
static GtkWidget * gth_file_tool_adjust_contrast_get_options (GthFileTool *base) { GthFileToolAdjustContrast *self; GtkWidget *window; GtkWidget *viewer_page; GtkWidget *viewer; cairo_surface_t *source; GtkWidget *options; int width, height; GtkAllocation allocation; GtkWidget *filter_grid; self = (GthFileToolAdjustContrast *) base; window = gth_file_tool_get_window (base); viewer_page = gth_browser_get_viewer_page (GTH_BROWSER (window)); if (! GTH_IS_IMAGE_VIEWER_PAGE (viewer_page)) return NULL; _cairo_clear_surface (&self->priv->preview); _cairo_clear_surface (&self->priv->destination); viewer = gth_image_viewer_page_get_image_viewer (GTH_IMAGE_VIEWER_PAGE (viewer_page)); source = gth_image_viewer_page_tool_get_source (GTH_IMAGE_VIEWER_PAGE_TOOL (self)); if (source == NULL) return NULL; width = cairo_image_surface_get_width (source); height = cairo_image_surface_get_height (source); gtk_widget_get_allocation (GTK_WIDGET (viewer), &allocation); if (scale_keeping_ratio (&width, &height, PREVIEW_SIZE * allocation.width, PREVIEW_SIZE * allocation.height, FALSE)) self->priv->preview = _cairo_image_surface_scale_fast (source, width, height); else self->priv->preview = cairo_surface_reference (source); self->priv->destination = cairo_surface_reference (self->priv->preview); self->priv->apply_to_original = FALSE; self->priv->closing = FALSE; self->priv->builder = _gtk_builder_new_from_file ("adjust-contrast-options.ui", "file_tools"); options = _gtk_builder_get_widget (self->priv->builder, "options"); gtk_widget_show (options); filter_grid = gth_filter_grid_new (); gth_filter_grid_add_filter (GTH_FILTER_GRID (filter_grid), METHOD_STRETCH_0_5, get_image_task_for_method (METHOD_STRETCH_0_5), _("Stretch"), _("Stretch the histogram trimming the 0.5%")); gth_filter_grid_add_filter (GTH_FILTER_GRID (filter_grid), METHOD_EQUALIZE_SQUARE_ROOT, get_image_task_for_method (METHOD_EQUALIZE_SQUARE_ROOT), _("Equalize"), _("Equalize the histogram using the square root function")); gth_filter_grid_add_filter (GTH_FILTER_GRID (filter_grid), METHOD_EQUALIZE_LINEAR, get_image_task_for_method (METHOD_EQUALIZE_LINEAR), _("Uniform"), _("Equalize the histogram using the linear function")); g_signal_connect (filter_grid, "activated", G_CALLBACK (filter_grid_activated_cb), self); gtk_widget_show (filter_grid); gtk_box_pack_start (GTK_BOX (GET_WIDGET ("filter_grid_box")), filter_grid, TRUE, FALSE, 0); self->priv->preview_tool = gth_preview_tool_new (); gth_preview_tool_set_image (GTH_PREVIEW_TOOL (self->priv->preview_tool), self->priv->preview); gth_image_viewer_set_tool (GTH_IMAGE_VIEWER (viewer), self->priv->preview_tool); gth_filter_grid_activate (GTH_FILTER_GRID (filter_grid), METHOD_STRETCH_0_5); gth_filter_grid_generate_previews (GTH_FILTER_GRID (filter_grid), source); return options; }