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0273c1031c
This function is not perfect and in particular doesn't seem usable with binding because of GimpUnit being some weird mix between an enum and some kind of class. So this will have to be fixed too. See #8900.
139 lines
3.8 KiB
C
139 lines
3.8 KiB
C
/* LIBGIMP - The GIMP Library
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* Copyright (C) 1995-2000 Peter Mattis and Spencer Kimball
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*
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* gimptextlayer.c
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* Copyright (C) 2022 Jehan
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*
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* This library is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gimp.h"
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struct _GimpTextLayer
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{
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GimpLayer parent_instance;
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};
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static GimpLayer * gimp_text_layer_copy (GimpLayer *layer);
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G_DEFINE_TYPE (GimpTextLayer, gimp_text_layer, GIMP_TYPE_LAYER)
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#define parent_class gimp_text_layer_parent_class
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static void
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gimp_text_layer_class_init (GimpTextLayerClass *klass)
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{
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GimpLayerClass *layer_class = GIMP_LAYER_CLASS (klass);
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layer_class->copy = gimp_text_layer_copy;
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}
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static void
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gimp_text_layer_init (GimpTextLayer *layer)
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{
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}
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/* Public API. */
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/**
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* gimp_text_layer_get_by_id:
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* @layer_id: The layer id.
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*
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* Returns a #GimpTextLayer representing @layer_id. This function calls
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* gimp_item_get_by_id() and returns the item if it is layer or %NULL
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* otherwise.
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*
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* Returns: (nullable) (transfer none): a #GimpTextLayer for @layer_id or
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* %NULL if @layer_id does not represent a valid layer. The
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* object belongs to libgimp and you must not modify or unref
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* it.
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*
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* Since: 3.0
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**/
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GimpTextLayer *
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gimp_text_layer_get_by_id (gint32 layer_id)
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{
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GimpItem *item = gimp_item_get_by_id (layer_id);
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if (GIMP_IS_TEXT_LAYER (item))
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return (GimpTextLayer *) item;
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return NULL;
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}
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/**
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* gimp_text_layer_new:
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* @image: The image to which to add the layer.
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* @text: The text to generate (in UTF-8 encoding).
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* @font: The name of the font.
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* @size: The size of text in either pixels or points.
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* @unit: The units of specified size.
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*
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* Create a new layer.
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*
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* This procedure creates a new text layer displaying the specified @text. By
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* default the width and height of the layer will be determined by the @text
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* contents, the @fontname, @size and @unit.
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*
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* The new layer still needs to be added to the image, as this is not automatic.
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* Add the new layer with the gimp_image_insert_layer() command. Other
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* attributes such as layer mask modes, and offsets should be set with explicit
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* procedure calls.
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*
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* Returns: (transfer none): The newly created text layer.
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* The object belongs to libgimp and you should not free it.
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*
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* Since: 3.0
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*/
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GimpTextLayer *
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gimp_text_layer_new (GimpImage *image,
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const gchar *text,
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GimpFont *font,
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gdouble size,
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GimpUnit unit)
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{
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return _gimp_text_layer_new (image, text, font, size, unit);
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}
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/* private functions */
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static GimpLayer *
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gimp_text_layer_copy (GimpLayer *layer)
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{
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GimpTextLayer *new_layer;
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gchar *text;
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GimpFont *font;
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gdouble size;
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GimpUnit unit;
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g_return_val_if_fail (GIMP_IS_TEXT_LAYER (layer), NULL);
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text = gimp_text_layer_get_text (GIMP_TEXT_LAYER (layer));
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font = gimp_text_layer_get_font (GIMP_TEXT_LAYER (layer));
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size = gimp_text_layer_get_font_size (GIMP_TEXT_LAYER (layer), &unit);
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new_layer = gimp_text_layer_new (gimp_item_get_image (GIMP_ITEM (layer)),
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text, font, size, unit);
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g_free (text);
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return GIMP_LAYER (new_layer);
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}
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