mirror of https://github.com/GNOME/gimp.git
149 lines
6.9 KiB
C
149 lines
6.9 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimppreviewrenderer.h
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* Copyright (C) 2003 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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __GIMP_PREVIEW_RENDERER_H__
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#define __GIMP_PREVIEW_RENDERER_H__
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#define GIMP_PREVIEW_MAX_BORDER_WIDTH 16
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#define GIMP_TYPE_PREVIEW_RENDERER (gimp_preview_renderer_get_type ())
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#define GIMP_PREVIEW_RENDERER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_PREVIEW_RENDERER, GimpPreviewRenderer))
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#define GIMP_PREVIEW_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_PREVIEW_RENDERER, GimpPreviewRendererClass))
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#define GIMP_IS_PREVIEW_RENDERER(obj) (G_TYPE_CHECK_INSTANCE_TYPE (obj, GIMP_TYPE_PREVIEW_RENDERER))
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#define GIMP_IS_PREVIEW_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_PREVIEW_RENDERER))
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#define GIMP_PREVIEW_RENDERER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_PREVIEW_RENDERER, GimpPreviewRendererClass))
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typedef struct _GimpPreviewRendererClass GimpPreviewRendererClass;
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struct _GimpPreviewRenderer
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{
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GObject parent_instance;
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GimpViewable *viewable;
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gint width;
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gint height;
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gint border_width;
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gboolean dot_for_dot;
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gboolean is_popup;
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GimpRGB border_color;
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GdkGC *gc;
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/*< private >*/
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guchar *buffer;
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gint rowstride;
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gint bytes;
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GdkPixbuf *no_preview_pixbuf;
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gchar *bg_stock_id;
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gint size;
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gboolean needs_render;
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guint idle_id;
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};
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struct _GimpPreviewRendererClass
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{
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GObjectClass parent_class;
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/* signals */
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void (* update) (GimpPreviewRenderer *renderer);
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/* virtual functions */
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void (* render) (GimpPreviewRenderer *renderer,
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GtkWidget *widget);
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};
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GType gimp_preview_renderer_get_type (void) G_GNUC_CONST;
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GimpPreviewRenderer * gimp_preview_renderer_new (GType viewable_type,
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gint size,
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gint border_width,
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gboolean is_popup);
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GimpPreviewRenderer * gimp_preview_renderer_new_full (GType viewable_type,
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gint width,
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gint height,
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gint border_width,
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gboolean is_popup);
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void gimp_preview_renderer_set_viewable (GimpPreviewRenderer *renderer,
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GimpViewable *viewable);
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void gimp_preview_renderer_set_size (GimpPreviewRenderer *renderer,
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gint size,
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gint border_width);
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void gimp_preview_renderer_set_size_full (GimpPreviewRenderer *renderer,
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gint width,
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gint height,
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gint border_width);
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void gimp_preview_renderer_set_dot_for_dot (GimpPreviewRenderer *renderer,
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gboolean dot_for_dot);
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void gimp_preview_renderer_set_border_color (GimpPreviewRenderer *renderer,
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const GimpRGB *border_color);
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void gimp_preview_renderer_set_background (GimpPreviewRenderer *renderer,
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const gchar *stock_id);
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void gimp_preview_renderer_invalidate (GimpPreviewRenderer *renderer);
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void gimp_preview_renderer_update (GimpPreviewRenderer *renderer);
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void gimp_preview_renderer_update_idle (GimpPreviewRenderer *renderer);
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void gimp_preview_renderer_remove_idle (GimpPreviewRenderer *renderer);
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void gimp_preview_renderer_draw (GimpPreviewRenderer *renderer,
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GdkWindow *window,
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GtkWidget *widget,
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const GdkRectangle *draw_area,
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const GdkRectangle *expose_area);
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/* protected */
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void gimp_preview_renderer_default_render_buffer (GimpPreviewRenderer *renderer,
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GtkWidget *widget,
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TempBuf *temp_buf);
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void gimp_preview_renderer_default_render_stock (GimpPreviewRenderer *renderer,
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GtkWidget *widget,
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const gchar *stock_id);
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void gimp_preview_renderer_render_buffer (GimpPreviewRenderer *renderer,
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TempBuf *temp_buf,
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gint channel,
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GimpPreviewBG inside_bg,
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GimpPreviewBG outside_bg);
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/* general purpose temp_buf to buffer projection function */
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void gimp_preview_render_to_buffer (TempBuf *temp_buf,
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gint channel,
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GimpPreviewBG inside_bg,
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GimpPreviewBG outside_bg,
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guchar *dest_buffer,
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gint dest_width,
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gint dest_height,
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gint dest_rowstride,
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gint dest_bytes);
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#endif /* __GIMP_PREVIEW_RENDERER_H__ */
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