static void gimp_layer_prop_undo_pop (GimpUndo *undo, GimpUndoMode undo_mode, GimpUndoAccumulator *accum) { GimpLayerPropUndo *layer_prop_undo = GIMP_LAYER_PROP_UNDO (undo); GimpLayer *layer = GIMP_LAYER (GIMP_ITEM_UNDO (undo)->item); GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum); switch (undo->undo_type) { case GIMP_UNDO_LAYER_REPOSITION: { gint position; position = gimp_image_get_layer_index (undo->image, layer); gimp_image_position_layer (undo->image, layer, layer_prop_undo->position, FALSE, NULL); layer_prop_undo->position = position; } break; case GIMP_UNDO_LAYER_MODE: { GimpLayerModeEffects mode; mode = gimp_layer_get_mode (layer); gimp_layer_set_mode (layer, layer_prop_undo->mode, FALSE); layer_prop_undo->mode = mode; } break; case GIMP_UNDO_LAYER_OPACITY: { gdouble opacity; opacity = gimp_layer_get_opacity (layer); gimp_layer_set_opacity (layer, layer_prop_undo->opacity, FALSE); layer_prop_undo->opacity = opacity; } break; case GIMP_UNDO_LAYER_LOCK_ALPHA: { gboolean lock_alpha; lock_alpha = gimp_layer_get_lock_alpha (layer); gimp_layer_set_lock_alpha (layer, layer_prop_undo->lock_alpha, FALSE); layer_prop_undo->lock_alpha = lock_alpha; } break; default: g_assert_not_reached (); } }
/** * gimp_text_layer_from_layer: * @layer: a #GimpLayer object * @text: a #GimpText object * * Converts a standard #GimpLayer and a #GimpText object into a * #GimpTextLayer. The new text layer takes ownership of the @text and * @layer objects. The @layer object is rendered unusable by this * function. Don't even try to use if afterwards! * * This is a gross hack that is needed in order to load text layers * from XCF files in a backwards-compatible way. Please don't use it * for anything else! * * Return value: a newly allocated #GimpTextLayer object **/ static GimpLayer * gimp_text_layer_from_layer (GimpLayer *layer, GimpText *text) { GimpTextLayer *text_layer; GimpDrawable *drawable; g_return_val_if_fail (GIMP_IS_LAYER (layer), NULL); g_return_val_if_fail (GIMP_IS_TEXT (text), NULL); text_layer = g_object_new (GIMP_TYPE_TEXT_LAYER, "image", gimp_item_get_image (GIMP_ITEM (layer)), NULL); gimp_item_replace_item (GIMP_ITEM (text_layer), GIMP_ITEM (layer)); drawable = GIMP_DRAWABLE (text_layer); gimp_drawable_steal_buffer (drawable, GIMP_DRAWABLE (layer)); gimp_layer_set_opacity (GIMP_LAYER (text_layer), gimp_layer_get_opacity (layer), FALSE); gimp_layer_set_mode (GIMP_LAYER (text_layer), gimp_layer_get_mode (layer), FALSE); gimp_layer_set_blend_space (GIMP_LAYER (text_layer), gimp_layer_get_blend_space (layer), FALSE); gimp_layer_set_composite_space (GIMP_LAYER (text_layer), gimp_layer_get_composite_space (layer), FALSE); gimp_layer_set_composite_mode (GIMP_LAYER (text_layer), gimp_layer_get_composite_mode (layer), FALSE); gimp_layer_set_lock_alpha (GIMP_LAYER (text_layer), gimp_layer_get_lock_alpha (layer), FALSE); gimp_text_layer_set_text (text_layer, text); g_object_unref (text); g_object_unref (layer); return GIMP_LAYER (text_layer); }
static gboolean apply_watermark(watermark_settings settings, image_output out) { gboolean success = TRUE; gint32 layerId; gdouble posX, posY; gint wmwidth, wmheight, wmasc, wmdesc; if (settings->mode) { if (strlen(settings->text) == 0) { return TRUE; } GimpRGB old_foreground, new_foreground; gimp_context_get_foreground(&old_foreground); gimp_rgb_parse_hex (&new_foreground, gdk_color_to_string(&(settings->color)), strlen(gdk_color_to_string(&(settings->color)))); gimp_context_set_foreground(&new_foreground); gimp_text_get_extents_fontname( settings->text, pango_font_description_get_size(settings->font) / PANGO_SCALE, GIMP_PIXELS, pango_font_description_get_family(settings->font), &wmwidth, &wmheight, &wmasc, &wmdesc ); if (settings->position == WM_POS_TL) { posX = 10; posY = 5; } else if (settings->position == WM_POS_TC) { posX = (gimp_image_width(out->image_id) / 2) - (wmwidth / 2); posY = 5; } else if (settings->position == WM_POS_TR) { posX = gimp_image_width(out->image_id) - wmwidth - 10; posY = 5; } else if (settings->position == WM_POS_BL) { posX = 10; posY = gimp_image_height(out->image_id) - wmheight - 5; } else if (settings->position == WM_POS_BC) { posX = (gimp_image_width(out->image_id) / 2) - (wmwidth / 2); posY = gimp_image_height(out->image_id) - wmheight - 5; } else if (settings->position == WM_POS_BR) { posX = gimp_image_width(out->image_id) - wmwidth - 10; posY = gimp_image_height(out->image_id) - wmheight - 5; } else if (settings->position == WM_POS_CL) { posX = 10; posY = (gimp_image_height(out->image_id) / 2) - (wmheight / 2); } else if (settings->position == WM_POS_CR) { posX = gimp_image_width(out->image_id) - wmwidth - 10; posY = (gimp_image_height(out->image_id) / 2) - (wmheight / 2); } else { posX = (gimp_image_width(out->image_id) / 2) - (wmwidth / 2); posY = (gimp_image_height(out->image_id) / 2) - (wmheight / 2); } layerId = gimp_text_fontname( out->image_id, -1, posX, posY, settings->text, -1, TRUE, pango_font_description_get_size(settings->font) / PANGO_SCALE, GIMP_PIXELS, pango_font_description_get_family(settings->font) ); gimp_context_set_foreground(&old_foreground); gimp_layer_set_opacity(layerId, settings->opacity); } else { if (!g_file_test(settings->image_file, G_FILE_TEST_IS_REGULAR)) {//((access(settings->image_file, R_OK) == -1)) { // error, can't access image file return TRUE; } layerId = gimp_file_load_layer( GIMP_RUN_NONINTERACTIVE, out->image_id, settings->image_file ); gimp_layer_set_opacity(layerId, settings->opacity); wmwidth = gimp_drawable_width(layerId); wmheight = gimp_drawable_height(layerId); #if USE_API26 gimp_image_add_layer( out->image_id, layerId, 0 ); #else // starting from 2.8, gimp_image_add_layer is deprecated. // use gimp_image_insert_layer instead gimp_image_insert_layer( out->image_id, layerId, 0, 0 ); #endif if (settings->position == WM_POS_TL) { posX = 10; posY = 10; } else if (settings->position == WM_POS_TC) { posX = (gimp_image_width(out->image_id) / 2) - (wmwidth / 2); posY = 10; } else if (settings->position == WM_POS_TR) { posX = gimp_image_width(out->image_id) - wmwidth - 10; posY = 10; } else if (settings->position == WM_POS_BL) { posX = 10; posY = gimp_image_height(out->image_id) - wmheight - 10; } else if (settings->position == WM_POS_BC) { posX = (gimp_image_width(out->image_id) / 2) - (wmwidth / 2); posY = gimp_image_height(out->image_id) - wmheight - 10; } else if (settings->position == WM_POS_BR) { posX = gimp_image_width(out->image_id) - wmwidth - 10; posY = gimp_image_height(out->image_id) - wmheight - 10; } else if (settings->position == WM_POS_CL) { posX = 10; posY = (gimp_image_height(out->image_id) / 2) - (wmheight / 2); } else if (settings->position == WM_POS_CR) { posX = gimp_image_width(out->image_id) - wmwidth - 10; posY = (gimp_image_height(out->image_id) / 2) - (wmheight / 2); } else { posX = (gimp_image_width(out->image_id) / 2) - (wmwidth / 2); posY = (gimp_image_height(out->image_id) / 2) - (wmheight / 2); } gimp_layer_set_offsets( layerId, posX, posY ); } // refresh all drawables g_free(out->drawable_ids); out->drawable_ids = gimp_image_get_layers(out->image_id, &out->drawable_count); return success; }
static void gimp_warp_tool_animate (GimpWarpTool *wt) { GimpTool *tool = GIMP_TOOL (wt); GimpWarpOptions *options = GIMP_WARP_TOOL_GET_OPTIONS (wt); GimpImage *orig_image; GimpImage *image; GimpLayer *layer; GimpLayer *first_layer; GeglNode *scale_node; GimpProgress *progress; GtkWidget *widget; gint i; if (! gimp_warp_tool_get_undo_desc (tool, tool->display)) { gimp_tool_message_literal (tool, tool->display, _("Please add some warp strokes first.")); return; } /* get rid of the image map so we can use wt->graph */ if (wt->image_map) { gimp_image_map_abort (wt->image_map); g_object_unref (wt->image_map); wt->image_map = NULL; } gimp_progress_start (GIMP_PROGRESS (tool), FALSE, _("Rendering Frame %d"), 1); orig_image = gimp_item_get_image (GIMP_ITEM (tool->drawable)); image = gimp_create_image (orig_image->gimp, gimp_item_get_width (GIMP_ITEM (tool->drawable)), gimp_item_get_height (GIMP_ITEM (tool->drawable)), gimp_drawable_get_base_type (tool->drawable), gimp_drawable_get_precision (tool->drawable), TRUE); /* the first frame is always the unwarped image */ layer = GIMP_LAYER (gimp_item_convert (GIMP_ITEM (tool->drawable), image, GIMP_TYPE_LAYER)); gimp_object_take_name (GIMP_OBJECT (layer), g_strdup_printf (_("Frame %d"), 1)); gimp_item_set_offset (GIMP_ITEM (layer), 0, 0); gimp_item_set_visible (GIMP_ITEM (layer), TRUE, FALSE); gimp_layer_set_mode (layer, GIMP_NORMAL_MODE, FALSE); gimp_layer_set_opacity (layer, GIMP_OPACITY_OPAQUE, FALSE); gimp_image_add_layer (image, layer, NULL, 0, FALSE); first_layer = layer; scale_node = gegl_node_new_child (NULL, "operation", "gimp:scalar-multiply", "n-components", 2, NULL); gimp_warp_tool_add_op (wt, scale_node); progress = gimp_sub_progress_new (GIMP_PROGRESS (tool)); for (i = 1; i < options->n_animation_frames; i++) { gimp_progress_set_text (GIMP_PROGRESS (tool), _("Rendering Frame %d"), i + 1); gimp_sub_progress_set_step (GIMP_SUB_PROGRESS (progress), i, options->n_animation_frames); layer = GIMP_LAYER (gimp_item_duplicate (GIMP_ITEM (first_layer), GIMP_TYPE_LAYER)); gimp_object_take_name (GIMP_OBJECT (layer), g_strdup_printf (_("Frame %d"), i + 1)); gegl_node_set (scale_node, "factor", (gdouble) i / (gdouble) (options->n_animation_frames - 1), NULL); gimp_gegl_apply_operation (gimp_drawable_get_buffer (GIMP_DRAWABLE (first_layer)), progress, _("Frame"), wt->graph, gimp_drawable_get_buffer (GIMP_DRAWABLE (layer)), NULL); gimp_image_add_layer (image, layer, NULL, 0, FALSE); } g_object_unref (progress); gimp_warp_tool_remove_op (wt, scale_node); gimp_progress_end (GIMP_PROGRESS (tool)); /* recreate the image map */ gimp_warp_tool_create_image_map (wt, tool->drawable); gimp_image_map_apply (wt->image_map, NULL); widget = GTK_WIDGET (gimp_display_get_shell (tool->display)); gimp_create_display (orig_image->gimp, image, GIMP_UNIT_PIXEL, 1.0, G_OBJECT (gtk_widget_get_screen (widget)), gimp_widget_get_monitor (widget)); g_object_unref (image); }