c2195a24ca
While there is a style "background color", the idea of a "widget background color" is completely bogus, the widget background can be a gradient or whatever. - Get rid of "background" in GimpViewable's preview API, only leave the "foreground color" there for things like brushes or fonts. - In GimpViewRenderer, add the background types to be used to class and instance, so each renderer type can choose what it needs. - Render all previews to alpha surfaces, and do the background for all renderers generically in gimp_view_renderer_real_draw(), then render the preview surface on top of it.
198 lines
10 KiB
C
198 lines
10 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
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*
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* gimpviewable.h
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* Copyright (C) 2001 Michael Natterer <mitch@gimp.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "gimpobject.h"
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#define GIMP_VIEWABLE_MAX_PREVIEW_SIZE 2048
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#define GIMP_VIEWABLE_MAX_POPUP_SIZE 256
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#define GIMP_VIEWABLE_MAX_BUTTON_SIZE GIMP_VIEW_SIZE_GIGANTIC
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#define GIMP_VIEWABLE_MAX_MENU_SIZE 48
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#define GIMP_TYPE_VIEWABLE (gimp_viewable_get_type ())
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G_DECLARE_DERIVABLE_TYPE (GimpViewable,
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gimp_viewable,
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GIMP, VIEWABLE,
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GimpObject)
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struct _GimpViewableClass
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{
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GimpObjectClass parent_class;
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const gchar *default_icon_name;
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const gchar *default_name;
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const gchar *name_changed_signal;
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gboolean name_editable;
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/* signals */
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void (* invalidate_preview) (GimpViewable *viewable);
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void (* size_changed) (GimpViewable *viewable);
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void (* expanded_changed) (GimpViewable *viewable);
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void (* ancestry_changed) (GimpViewable *viewable);
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/* virtual functions */
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gboolean (* get_size) (GimpViewable *viewable,
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gint *width,
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gint *height);
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void (* get_preview_size) (GimpViewable *viewable,
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gint size,
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gboolean is_popup,
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gboolean dot_for_dot,
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gint *width,
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gint *height);
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gboolean (* get_popup_size) (GimpViewable *viewable,
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gint width,
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gint height,
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gboolean dot_for_dot,
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gint *popup_width,
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gint *popup_height);
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GimpTempBuf * (* get_preview) (GimpViewable *viewable,
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GimpContext *context,
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gint width,
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gint height,
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GeglColor *fg_color);
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GimpTempBuf * (* get_new_preview) (GimpViewable *viewable,
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GimpContext *context,
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gint width,
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gint height,
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GeglColor *fg_color);
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GdkPixbuf * (* get_pixbuf) (GimpViewable *viewable,
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GimpContext *context,
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gint width,
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gint height,
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GeglColor *fg_color);
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GdkPixbuf * (* get_new_pixbuf) (GimpViewable *viewable,
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GimpContext *context,
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gint width,
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gint height,
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GeglColor *fg_color);
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gchar * (* get_description) (GimpViewable *viewable,
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gchar **tooltip);
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gboolean (* is_name_editable) (GimpViewable *viewable);
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void (* preview_freeze) (GimpViewable *viewable);
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void (* preview_thaw) (GimpViewable *viewable);
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GimpContainer * (* get_children) (GimpViewable *viewable);
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void (* set_expanded) (GimpViewable *viewable,
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gboolean expand);
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gboolean (* get_expanded) (GimpViewable *viewable);
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};
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GType gimp_viewable_get_type (void) G_GNUC_CONST;
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void gimp_viewable_invalidate_preview (GimpViewable *viewable);
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void gimp_viewable_size_changed (GimpViewable *viewable);
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void gimp_viewable_expanded_changed (GimpViewable *viewable);
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void gimp_viewable_calc_preview_size (gint aspect_width,
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gint aspect_height,
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gint width,
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gint height,
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gboolean dot_for_dot,
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gdouble xresolution,
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gdouble yresolution,
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gint *return_width,
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gint *return_height,
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gboolean *scaling_up);
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gboolean gimp_viewable_has_preview (GimpViewable *viewable);
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gboolean gimp_viewable_get_size (GimpViewable *viewable,
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gint *width,
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gint *height);
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void gimp_viewable_get_preview_size (GimpViewable *viewable,
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gint size,
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gboolean popup,
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gboolean dot_for_dot,
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gint *width,
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gint *height);
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gboolean gimp_viewable_get_popup_size (GimpViewable *viewable,
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gint width,
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gint height,
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gboolean dot_for_dot,
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gint *popup_width,
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gint *popup_height);
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GimpTempBuf * gimp_viewable_get_preview (GimpViewable *viewable,
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GimpContext *context,
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gint width,
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gint height,
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GeglColor *fg_color);
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GimpTempBuf * gimp_viewable_get_new_preview (GimpViewable *viewable,
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GimpContext *context,
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gint width,
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gint height,
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GeglColor *fg_color);
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GimpTempBuf * gimp_viewable_get_dummy_preview (GimpViewable *viewable,
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gint width,
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gint height,
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const Babl *format);
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GdkPixbuf * gimp_viewable_get_pixbuf (GimpViewable *viewable,
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GimpContext *context,
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gint width,
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gint height,
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GeglColor *fg_color);
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GdkPixbuf * gimp_viewable_get_new_pixbuf (GimpViewable *viewable,
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GimpContext *context,
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gint width,
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gint height,
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GeglColor *fg_color);
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GdkPixbuf * gimp_viewable_get_dummy_pixbuf (GimpViewable *viewable,
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gint width,
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gint height,
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gboolean with_alpha);
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gchar * gimp_viewable_get_description (GimpViewable *viewable,
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gchar **tooltip);
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gboolean gimp_viewable_is_name_editable (GimpViewable *viewable);
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const gchar * gimp_viewable_get_icon_name (GimpViewable *viewable);
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void gimp_viewable_set_icon_name (GimpViewable *viewable,
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const gchar *icon_name);
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void gimp_viewable_preview_freeze (GimpViewable *viewable);
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void gimp_viewable_preview_thaw (GimpViewable *viewable);
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gboolean gimp_viewable_preview_is_frozen (GimpViewable *viewable);
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GimpViewable * gimp_viewable_get_parent (GimpViewable *viewable);
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void gimp_viewable_set_parent (GimpViewable *viewable,
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GimpViewable *parent);
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gint gimp_viewable_get_depth (GimpViewable *viewable);
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GimpContainer * gimp_viewable_get_children (GimpViewable *viewable);
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gboolean gimp_viewable_get_expanded (GimpViewable *viewable);
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void gimp_viewable_set_expanded (GimpViewable *viewable,
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gboolean expanded);
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gboolean gimp_viewable_is_ancestor (GimpViewable *ancestor,
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GimpViewable *descendant);
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