Learning_GTK4_tree/gtk/gtkglarea.h

137 lines
5.4 KiB
C

/* GTK - The GIMP Toolkit
*
* gtkglarea.h: A GL drawing area
*
* Copyright © 2014 Emmanuele Bassi
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gtk/gtk.h> can be included directly."
#endif
#include <gtk/gtkwidget.h>
G_BEGIN_DECLS
#define GTK_TYPE_GL_AREA (gtk_gl_area_get_type ())
#define GTK_GL_AREA(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_GL_AREA, GtkGLArea))
#define GTK_IS_GL_AREA(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_GL_AREA))
#define GTK_GL_AREA_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_GL_AREA, GtkGLAreaClass))
#define GTK_IS_GL_AREA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_GL_AREA))
#define GTK_GL_AREA_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_GL_AREA, GtkGLAreaClass))
typedef struct _GtkGLArea GtkGLArea;
typedef struct _GtkGLAreaClass GtkGLAreaClass;
struct _GtkGLArea
{
/*< private >*/
GtkWidget parent_instance;
};
/**
* GtkGLAreaClass:
* @render: class closure for the `GtkGLArea::render` signal
* @resize: class closeure for the `GtkGLArea::resize` signal
* @create_context: class closure for the `GtkGLArea::create-context` signal
*
* The `GtkGLAreaClass` structure contains only private data.
*/
struct _GtkGLAreaClass
{
/*< private >*/
GtkWidgetClass parent_class;
/*< public >*/
gboolean (* render) (GtkGLArea *area,
GdkGLContext *context);
void (* resize) (GtkGLArea *area,
int width,
int height);
GdkGLContext * (* create_context) (GtkGLArea *area);
/*< private >*/
gpointer _padding[8];
};
GDK_AVAILABLE_IN_ALL
GType gtk_gl_area_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
GtkWidget * gtk_gl_area_new (void);
GDK_AVAILABLE_IN_4_12
void gtk_gl_area_set_allowed_apis (GtkGLArea *area,
GdkGLAPI apis);
GDK_AVAILABLE_IN_4_12
GdkGLAPI gtk_gl_area_get_allowed_apis (GtkGLArea *area);
GDK_AVAILABLE_IN_4_12
GdkGLAPI gtk_gl_area_get_api (GtkGLArea *area);
GDK_DEPRECATED_IN_4_12_FOR(gtk_gl_area_set_allowed_apis)
void gtk_gl_area_set_use_es (GtkGLArea *area,
gboolean use_es);
GDK_DEPRECATED_IN_4_12_FOR(gtk_gl_area_get_api)
gboolean gtk_gl_area_get_use_es (GtkGLArea *area);
GDK_AVAILABLE_IN_ALL
void gtk_gl_area_set_required_version (GtkGLArea *area,
int major,
int minor);
GDK_AVAILABLE_IN_ALL
void gtk_gl_area_get_required_version (GtkGLArea *area,
int *major,
int *minor);
GDK_AVAILABLE_IN_ALL
gboolean gtk_gl_area_get_has_depth_buffer (GtkGLArea *area);
GDK_AVAILABLE_IN_ALL
void gtk_gl_area_set_has_depth_buffer (GtkGLArea *area,
gboolean has_depth_buffer);
GDK_AVAILABLE_IN_ALL
gboolean gtk_gl_area_get_has_stencil_buffer (GtkGLArea *area);
GDK_AVAILABLE_IN_ALL
void gtk_gl_area_set_has_stencil_buffer (GtkGLArea *area,
gboolean has_stencil_buffer);
GDK_AVAILABLE_IN_ALL
gboolean gtk_gl_area_get_auto_render (GtkGLArea *area);
GDK_AVAILABLE_IN_ALL
void gtk_gl_area_set_auto_render (GtkGLArea *area,
gboolean auto_render);
GDK_AVAILABLE_IN_ALL
void gtk_gl_area_queue_render (GtkGLArea *area);
GDK_AVAILABLE_IN_ALL
GdkGLContext * gtk_gl_area_get_context (GtkGLArea *area);
GDK_AVAILABLE_IN_ALL
void gtk_gl_area_make_current (GtkGLArea *area);
GDK_AVAILABLE_IN_ALL
void gtk_gl_area_attach_buffers (GtkGLArea *area);
GDK_AVAILABLE_IN_ALL
void gtk_gl_area_set_error (GtkGLArea *area,
const GError *error);
GDK_AVAILABLE_IN_ALL
GError * gtk_gl_area_get_error (GtkGLArea *area);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GtkGLArea, g_object_unref)
G_END_DECLS