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Diffstat (limited to '')
| -rw-r--r-- | app/text/gimptextlayer.c | 861 |
1 files changed, 861 insertions, 0 deletions
diff --git a/app/text/gimptextlayer.c b/app/text/gimptextlayer.c new file mode 100644 index 0000000..fb4146a --- /dev/null +++ b/app/text/gimptextlayer.c @@ -0,0 +1,861 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * GimpTextLayer + * Copyright (C) 2002-2004 Sven Neumann <sven@gimp.org> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <string.h> + +#include <cairo.h> +#include <gegl.h> +#include <gdk-pixbuf/gdk-pixbuf.h> +#include <pango/pangocairo.h> + +#include "libgimpbase/gimpbase.h" +#include "libgimpcolor/gimpcolor.h" +#include "libgimpconfig/gimpconfig.h" + +#include "text-types.h" + +#include "gegl/gimp-babl.h" +#include "gegl/gimp-gegl-loops.h" +#include "gegl/gimp-gegl-utils.h" + +#include "core/gimp.h" +#include "core/gimp-utils.h" +#include "core/gimpcontext.h" +#include "core/gimpcontainer.h" +#include "core/gimpdatafactory.h" +#include "core/gimpimage.h" +#include "core/gimpimage-color-profile.h" +#include "core/gimpimage-undo.h" +#include "core/gimpimage-undo-push.h" +#include "core/gimpitemtree.h" +#include "core/gimpparasitelist.h" + +#include "gimptext.h" +#include "gimptextlayer.h" +#include "gimptextlayer-transform.h" +#include "gimptextlayout.h" +#include "gimptextlayout-render.h" + +#include "gimp-intl.h" + + +enum +{ + PROP_0, + PROP_TEXT, + PROP_AUTO_RENAME, + PROP_MODIFIED +}; + +struct _GimpTextLayerPrivate +{ + GimpTextDirection base_dir; +}; + +static void gimp_text_layer_finalize (GObject *object); +static void gimp_text_layer_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); +static void gimp_text_layer_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); + +static gint64 gimp_text_layer_get_memsize (GimpObject *object, + gint64 *gui_size); + +static GimpItem * gimp_text_layer_duplicate (GimpItem *item, + GType new_type); +static gboolean gimp_text_layer_rename (GimpItem *item, + const gchar *new_name, + const gchar *undo_desc, + GError **error); + +static void gimp_text_layer_set_buffer (GimpDrawable *drawable, + gboolean push_undo, + const gchar *undo_desc, + GeglBuffer *buffer, + const GeglRectangle *bounds); +static void gimp_text_layer_push_undo (GimpDrawable *drawable, + const gchar *undo_desc, + GeglBuffer *buffer, + gint x, + gint y, + gint width, + gint height); + +static void gimp_text_layer_convert_type (GimpLayer *layer, + GimpImage *dest_image, + const Babl *new_format, + GimpColorProfile *dest_profile, + GeglDitherMethod layer_dither_type, + GeglDitherMethod mask_dither_type, + gboolean push_undo, + GimpProgress *progress); + +static void gimp_text_layer_text_changed (GimpTextLayer *layer); +static gboolean gimp_text_layer_render (GimpTextLayer *layer); +static void gimp_text_layer_render_layout (GimpTextLayer *layer, + GimpTextLayout *layout); + + +G_DEFINE_TYPE_WITH_PRIVATE (GimpTextLayer, gimp_text_layer, GIMP_TYPE_LAYER) + +#define parent_class gimp_text_layer_parent_class + + +static void +gimp_text_layer_class_init (GimpTextLayerClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass); + GimpViewableClass *viewable_class = GIMP_VIEWABLE_CLASS (klass); + GimpItemClass *item_class = GIMP_ITEM_CLASS (klass); + GimpDrawableClass *drawable_class = GIMP_DRAWABLE_CLASS (klass); + GimpLayerClass *layer_class = GIMP_LAYER_CLASS (klass); + + object_class->finalize = gimp_text_layer_finalize; + object_class->get_property = gimp_text_layer_get_property; + object_class->set_property = gimp_text_layer_set_property; + + gimp_object_class->get_memsize = gimp_text_layer_get_memsize; + + viewable_class->default_icon_name = "gimp-text-layer"; + + item_class->duplicate = gimp_text_layer_duplicate; + item_class->rename = gimp_text_layer_rename; + +#if 0 + item_class->scale = gimp_text_layer_scale; + item_class->flip = gimp_text_layer_flip; + item_class->rotate = gimp_text_layer_rotate; + item_class->transform = gimp_text_layer_transform; +#endif + + item_class->default_name = _("Text Layer"); + item_class->rename_desc = _("Rename Text Layer"); + item_class->translate_desc = _("Move Text Layer"); + item_class->scale_desc = _("Scale Text Layer"); + item_class->resize_desc = _("Resize Text Layer"); + item_class->flip_desc = _("Flip Text Layer"); + item_class->rotate_desc = _("Rotate Text Layer"); + item_class->transform_desc = _("Transform Text Layer"); + + drawable_class->set_buffer = gimp_text_layer_set_buffer; + drawable_class->push_undo = gimp_text_layer_push_undo; + + layer_class->convert_type = gimp_text_layer_convert_type; + + GIMP_CONFIG_PROP_OBJECT (object_class, PROP_TEXT, + "text", + NULL, NULL, + GIMP_TYPE_TEXT, + GIMP_PARAM_STATIC_STRINGS); + + GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_AUTO_RENAME, + "auto-rename", + NULL, NULL, + TRUE, + GIMP_PARAM_STATIC_STRINGS); + + GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_MODIFIED, + "modified", + NULL, NULL, + FALSE, + GIMP_PARAM_STATIC_STRINGS); +} + +static void +gimp_text_layer_init (GimpTextLayer *layer) +{ + layer->text = NULL; + layer->text_parasite = NULL; + layer->private = gimp_text_layer_get_instance_private (layer); +} + +static void +gimp_text_layer_finalize (GObject *object) +{ + GimpTextLayer *layer = GIMP_TEXT_LAYER (object); + + g_clear_object (&layer->text); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +static void +gimp_text_layer_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GimpTextLayer *text_layer = GIMP_TEXT_LAYER (object); + + switch (property_id) + { + case PROP_TEXT: + g_value_set_object (value, text_layer->text); + break; + case PROP_AUTO_RENAME: + g_value_set_boolean (value, text_layer->auto_rename); + break; + case PROP_MODIFIED: + g_value_set_boolean (value, text_layer->modified); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_text_layer_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpTextLayer *text_layer = GIMP_TEXT_LAYER (object); + + switch (property_id) + { + case PROP_TEXT: + gimp_text_layer_set_text (text_layer, g_value_get_object (value)); + break; + case PROP_AUTO_RENAME: + text_layer->auto_rename = g_value_get_boolean (value); + break; + case PROP_MODIFIED: + text_layer->modified = g_value_get_boolean (value); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static gint64 +gimp_text_layer_get_memsize (GimpObject *object, + gint64 *gui_size) +{ + GimpTextLayer *text_layer = GIMP_TEXT_LAYER (object); + gint64 memsize = 0; + + memsize += gimp_object_get_memsize (GIMP_OBJECT (text_layer->text), + gui_size); + + return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object, + gui_size); +} + +static GimpItem * +gimp_text_layer_duplicate (GimpItem *item, + GType new_type) +{ + GimpItem *new_item; + + g_return_val_if_fail (g_type_is_a (new_type, GIMP_TYPE_DRAWABLE), NULL); + + new_item = GIMP_ITEM_CLASS (parent_class)->duplicate (item, new_type); + + if (GIMP_IS_TEXT_LAYER (new_item)) + { + GimpTextLayer *layer = GIMP_TEXT_LAYER (item); + GimpTextLayer *new_layer = GIMP_TEXT_LAYER (new_item); + + gimp_config_sync (G_OBJECT (layer), G_OBJECT (new_layer), 0); + + if (layer->text) + { + GimpText *text = gimp_config_duplicate (GIMP_CONFIG (layer->text)); + + gimp_text_layer_set_text (new_layer, text); + + g_object_unref (text); + } + + /* this is just the parasite name, not a pointer to the parasite */ + if (layer->text_parasite) + new_layer->text_parasite = layer->text_parasite; + + new_layer->private->base_dir = layer->private->base_dir; + } + + return new_item; +} + +static gboolean +gimp_text_layer_rename (GimpItem *item, + const gchar *new_name, + const gchar *undo_desc, + GError **error) +{ + if (GIMP_ITEM_CLASS (parent_class)->rename (item, new_name, undo_desc, error)) + { + g_object_set (item, "auto-rename", FALSE, NULL); + + return TRUE; + } + + return FALSE; +} + +static void +gimp_text_layer_set_buffer (GimpDrawable *drawable, + gboolean push_undo, + const gchar *undo_desc, + GeglBuffer *buffer, + const GeglRectangle *bounds) +{ + GimpTextLayer *layer = GIMP_TEXT_LAYER (drawable); + GimpImage *image = gimp_item_get_image (GIMP_ITEM (layer)); + + if (push_undo && ! layer->modified) + gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_DRAWABLE_MOD, + undo_desc); + + GIMP_DRAWABLE_CLASS (parent_class)->set_buffer (drawable, + push_undo, undo_desc, + buffer, bounds); + + if (push_undo && ! layer->modified) + { + gimp_image_undo_push_text_layer_modified (image, NULL, layer); + + g_object_set (drawable, "modified", TRUE, NULL); + + gimp_image_undo_group_end (image); + } +} + +static void +gimp_text_layer_push_undo (GimpDrawable *drawable, + const gchar *undo_desc, + GeglBuffer *buffer, + gint x, + gint y, + gint width, + gint height) +{ + GimpTextLayer *layer = GIMP_TEXT_LAYER (drawable); + GimpImage *image = gimp_item_get_image (GIMP_ITEM (layer)); + + if (! layer->modified) + gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_DRAWABLE, undo_desc); + + GIMP_DRAWABLE_CLASS (parent_class)->push_undo (drawable, undo_desc, + buffer, + x, y, width, height); + + if (! layer->modified) + { + gimp_image_undo_push_text_layer_modified (image, NULL, layer); + + g_object_set (drawable, "modified", TRUE, NULL); + + gimp_image_undo_group_end (image); + } +} + +static void +gimp_text_layer_convert_type (GimpLayer *layer, + GimpImage *dest_image, + const Babl *new_format, + GimpColorProfile *dest_profile, + GeglDitherMethod layer_dither_type, + GeglDitherMethod mask_dither_type, + gboolean push_undo, + GimpProgress *progress) +{ + GimpTextLayer *text_layer = GIMP_TEXT_LAYER (layer); + GimpImage *image = gimp_item_get_image (GIMP_ITEM (text_layer)); + + if (! text_layer->text || + text_layer->modified || + layer_dither_type != GEGL_DITHER_NONE) + { + GIMP_LAYER_CLASS (parent_class)->convert_type (layer, dest_image, + new_format, + dest_profile, + layer_dither_type, + mask_dither_type, + push_undo, + progress); + } + else + { + if (push_undo) + gimp_image_undo_push_text_layer_convert (image, NULL, text_layer); + + text_layer->convert_format = new_format; + + gimp_text_layer_render (text_layer); + + text_layer->convert_format = NULL; + } +} + + +/* public functions */ + +/** + * gimp_text_layer_new: + * @image: the #GimpImage the layer should belong to + * @text: a #GimpText object + * + * Creates a new text layer. + * + * Return value: a new #GimpTextLayer or %NULL in case of a problem + **/ +GimpLayer * +gimp_text_layer_new (GimpImage *image, + GimpText *text) +{ + GimpTextLayer *layer; + + g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL); + g_return_val_if_fail (GIMP_IS_TEXT (text), NULL); + + if (! text->text && ! text->markup) + return NULL; + + layer = + GIMP_TEXT_LAYER (gimp_drawable_new (GIMP_TYPE_TEXT_LAYER, + image, NULL, + 0, 0, 1, 1, + gimp_image_get_layer_format (image, + TRUE))); + + gimp_layer_set_mode (GIMP_LAYER (layer), + gimp_image_get_default_new_layer_mode (image), + FALSE); + + gimp_text_layer_set_text (layer, text); + + if (! gimp_text_layer_render (layer)) + { + g_object_unref (layer); + return NULL; + } + + return GIMP_LAYER (layer); +} + +void +gimp_text_layer_set_text (GimpTextLayer *layer, + GimpText *text) +{ + g_return_if_fail (GIMP_IS_TEXT_LAYER (layer)); + g_return_if_fail (text == NULL || GIMP_IS_TEXT (text)); + + if (layer->text == text) + return; + + if (layer->text) + { + g_signal_handlers_disconnect_by_func (layer->text, + G_CALLBACK (gimp_text_layer_text_changed), + layer); + + g_clear_object (&layer->text); + } + + if (text) + { + layer->text = g_object_ref (text); + layer->private->base_dir = layer->text->base_dir; + + g_signal_connect_object (text, "changed", + G_CALLBACK (gimp_text_layer_text_changed), + layer, G_CONNECT_SWAPPED); + } + + g_object_notify (G_OBJECT (layer), "text"); + gimp_viewable_invalidate_preview (GIMP_VIEWABLE (layer)); +} + +GimpText * +gimp_text_layer_get_text (GimpTextLayer *layer) +{ + g_return_val_if_fail (GIMP_IS_TEXT_LAYER (layer), NULL); + + return layer->text; +} + +void +gimp_text_layer_set (GimpTextLayer *layer, + const gchar *undo_desc, + const gchar *first_property_name, + ...) +{ + GimpImage *image; + GimpText *text; + va_list var_args; + + g_return_if_fail (gimp_item_is_text_layer (GIMP_ITEM (layer))); + g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (layer))); + + text = gimp_text_layer_get_text (layer); + if (! text) + return; + + image = gimp_item_get_image (GIMP_ITEM (layer)); + + gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_TEXT, undo_desc); + + g_object_freeze_notify (G_OBJECT (layer)); + + if (layer->modified) + { + gimp_image_undo_push_text_layer_modified (image, NULL, layer); + + /* pass copy_tiles = TRUE so we not only ref the tiles; after + * being a text layer again, undo doesn't care about the + * layer's pixels any longer because they are generated, so + * changing the text would happily overwrite the layer's + * pixels, changing the pixels on the undo stack too without + * any chance to ever undo again. + */ + gimp_image_undo_push_drawable_mod (image, NULL, + GIMP_DRAWABLE (layer), TRUE); + } + + gimp_image_undo_push_text_layer (image, undo_desc, layer, NULL); + + va_start (var_args, first_property_name); + + g_object_set_valist (G_OBJECT (text), first_property_name, var_args); + + va_end (var_args); + + g_object_set (layer, "modified", FALSE, NULL); + + g_object_thaw_notify (G_OBJECT (layer)); + + gimp_image_undo_group_end (image); +} + +/** + * gimp_text_layer_discard: + * @layer: a #GimpTextLayer + * + * Discards the text information. This makes @layer behave like a + * normal layer. + */ +void +gimp_text_layer_discard (GimpTextLayer *layer) +{ + g_return_if_fail (GIMP_IS_TEXT_LAYER (layer)); + g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (layer))); + + if (! layer->text) + return; + + gimp_image_undo_push_text_layer (gimp_item_get_image (GIMP_ITEM (layer)), + _("Discard Text Information"), + layer, NULL); + + gimp_text_layer_set_text (layer, NULL); +} + +gboolean +gimp_item_is_text_layer (GimpItem *item) +{ + return (GIMP_IS_TEXT_LAYER (item) && + GIMP_TEXT_LAYER (item)->text && + GIMP_TEXT_LAYER (item)->modified == FALSE); +} + + +/* private functions */ + +static const Babl * +gimp_text_layer_get_format (GimpTextLayer *layer) +{ + if (layer->convert_format) + return layer->convert_format; + + return gimp_drawable_get_format (GIMP_DRAWABLE (layer)); +} + +static void +gimp_text_layer_text_changed (GimpTextLayer *layer) +{ + /* If the text layer was created from a parasite, it's time to + * remove that parasite now. + */ + if (layer->text_parasite) + { + /* Don't push an undo because the parasite only exists temporarily + * while the text layer is loaded from XCF. + */ + gimp_item_parasite_detach (GIMP_ITEM (layer), layer->text_parasite, + FALSE); + layer->text_parasite = NULL; + } + + if (layer->text->box_mode == GIMP_TEXT_BOX_DYNAMIC) + { + gint old_width; + gint new_width; + GimpItem *item = GIMP_ITEM (layer); + GimpTextDirection old_base_dir = layer->private->base_dir; + GimpTextDirection new_base_dir = layer->text->base_dir; + + old_width = gimp_item_get_width (item); + gimp_text_layer_render (layer); + new_width = gimp_item_get_width (item); + + if (old_base_dir != new_base_dir) + { + switch (old_base_dir) + { + case GIMP_TEXT_DIRECTION_LTR: + case GIMP_TEXT_DIRECTION_RTL: + case GIMP_TEXT_DIRECTION_TTB_LTR: + case GIMP_TEXT_DIRECTION_TTB_LTR_UPRIGHT: + switch (new_base_dir) + { + case GIMP_TEXT_DIRECTION_TTB_RTL: + case GIMP_TEXT_DIRECTION_TTB_RTL_UPRIGHT: + gimp_item_translate (item, -new_width, 0, FALSE); + break; + + case GIMP_TEXT_DIRECTION_LTR: + case GIMP_TEXT_DIRECTION_RTL: + case GIMP_TEXT_DIRECTION_TTB_LTR: + case GIMP_TEXT_DIRECTION_TTB_LTR_UPRIGHT: + break; + } + break; + + case GIMP_TEXT_DIRECTION_TTB_RTL: + case GIMP_TEXT_DIRECTION_TTB_RTL_UPRIGHT: + switch (new_base_dir) + { + case GIMP_TEXT_DIRECTION_LTR: + case GIMP_TEXT_DIRECTION_RTL: + case GIMP_TEXT_DIRECTION_TTB_LTR: + case GIMP_TEXT_DIRECTION_TTB_LTR_UPRIGHT: + gimp_item_translate (item, old_width, 0, FALSE); + break; + + case GIMP_TEXT_DIRECTION_TTB_RTL: + case GIMP_TEXT_DIRECTION_TTB_RTL_UPRIGHT: + break; + } + break; + } + } + else if ((new_base_dir == GIMP_TEXT_DIRECTION_TTB_RTL || + new_base_dir == GIMP_TEXT_DIRECTION_TTB_RTL_UPRIGHT)) + { + if (old_width != new_width) + gimp_item_translate (item, old_width - new_width, 0, FALSE); + } + } + else + gimp_text_layer_render (layer); + + layer->private->base_dir = layer->text->base_dir; +} + +static gboolean +gimp_text_layer_render (GimpTextLayer *layer) +{ + GimpDrawable *drawable; + GimpItem *item; + GimpImage *image; + GimpContainer *container; + GimpTextLayout *layout; + gdouble xres; + gdouble yres; + gint width; + gint height; + GError *error = NULL; + + if (! layer->text) + return FALSE; + + drawable = GIMP_DRAWABLE (layer); + item = GIMP_ITEM (layer); + image = gimp_item_get_image (item); + container = gimp_data_factory_get_container (image->gimp->font_factory); + + gimp_data_factory_data_wait (image->gimp->font_factory); + + if (gimp_container_is_empty (container)) + { + gimp_message_literal (image->gimp, NULL, GIMP_MESSAGE_ERROR, + _("Due to lack of any fonts, " + "text functionality is not available.")); + return FALSE; + } + + gimp_image_get_resolution (image, &xres, &yres); + + layout = gimp_text_layout_new (layer->text, xres, yres, &error); + if (error) + { + gimp_message_literal (image->gimp, NULL, GIMP_MESSAGE_ERROR, error->message); + g_error_free (error); + } + + g_object_freeze_notify (G_OBJECT (drawable)); + + if (gimp_text_layout_get_size (layout, &width, &height) && + (width != gimp_item_get_width (item) || + height != gimp_item_get_height (item) || + gimp_text_layer_get_format (layer) != + gimp_drawable_get_format (drawable))) + { + GeglBuffer *new_buffer; + + new_buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0, width, height), + gimp_text_layer_get_format (layer)); + gimp_drawable_set_buffer (drawable, FALSE, NULL, new_buffer); + g_object_unref (new_buffer); + + if (gimp_layer_get_mask (GIMP_LAYER (layer))) + { + GimpLayerMask *mask = gimp_layer_get_mask (GIMP_LAYER (layer)); + + static GimpContext *unused_eek = NULL; + + if (! unused_eek) + unused_eek = gimp_context_new (image->gimp, "eek", NULL); + + gimp_item_resize (GIMP_ITEM (mask), + unused_eek, GIMP_FILL_TRANSPARENT, + width, height, 0, 0); + } + } + + if (layer->auto_rename) + { + GimpItem *item = GIMP_ITEM (layer); + gchar *name = NULL; + + if (layer->text->text) + { + name = gimp_utf8_strtrim (layer->text->text, 30); + } + else if (layer->text->markup) + { + gchar *tmp = gimp_markup_extract_text (layer->text->markup); + name = gimp_utf8_strtrim (tmp, 30); + g_free (tmp); + } + + if (! name || ! name[0]) + { + g_free (name); + name = g_strdup (_("Empty Text Layer")); + } + + if (gimp_item_is_attached (item)) + { + gimp_item_tree_rename_item (gimp_item_get_tree (item), item, + name, FALSE, NULL); + g_free (name); + } + else + { + gimp_object_take_name (GIMP_OBJECT (layer), name); + } + } + + if (width > 0 && height > 0) + gimp_text_layer_render_layout (layer, layout); + + g_object_unref (layout); + + g_object_thaw_notify (G_OBJECT (drawable)); + + return (width > 0 && height > 0); +} + +static void +gimp_text_layer_render_layout (GimpTextLayer *layer, + GimpTextLayout *layout) +{ + GimpDrawable *drawable = GIMP_DRAWABLE (layer); + GimpItem *item = GIMP_ITEM (layer); + GimpImage *image = gimp_item_get_image (item); + GeglBuffer *buffer; + GimpColorTransform *transform; + cairo_t *cr; + cairo_surface_t *surface; + gint width; + gint height; + cairo_status_t status; + + g_return_if_fail (gimp_drawable_has_alpha (drawable)); + + width = gimp_item_get_width (item); + height = gimp_item_get_height (item); + + surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height); + status = cairo_surface_status (surface); + + if (status != CAIRO_STATUS_SUCCESS) + { + GimpImage *image = gimp_item_get_image (item); + + gimp_message_literal (image->gimp, NULL, GIMP_MESSAGE_ERROR, + _("Your text cannot be rendered. It is likely too big. " + "Please make it shorter or use a smaller font.")); + cairo_surface_destroy (surface); + return; + } + + cr = cairo_create (surface); + gimp_text_layout_render (layout, cr, layer->text->base_dir, FALSE); + cairo_destroy (cr); + + cairo_surface_flush (surface); + + buffer = gimp_cairo_surface_create_buffer (surface); + + transform = gimp_image_get_color_transform_from_srgb_u8 (image); + + if (transform) + { + gimp_color_transform_process_buffer (transform, + buffer, + NULL, + gimp_drawable_get_buffer (drawable), + NULL); + } + else + { + gimp_gegl_buffer_copy (buffer, NULL, GEGL_ABYSS_NONE, + gimp_drawable_get_buffer (drawable), NULL); + } + + g_object_unref (buffer); + cairo_surface_destroy (surface); + + gimp_drawable_update (drawable, 0, 0, width, height); +} |