gimp/app/widgets/gimpviewrenderer.h

149 lines
6.9 KiB
C

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