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gdk: Add GdkDrawContext

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This will be the base class for GdkVulkanContext and GdkGLContext.
This commit is contained in:
Benjamin Otte 2016-11-28 17:22:35 +01:00
parent e38bd27d58
commit db8e3065bd
7 changed files with 315 additions and 0 deletions
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16
docs/reference/gdk/gdk4-sections.txt
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@ -1275,6 +1275,22 @@ gdk_frame_timings_get_predicted_presentation_time
gdk_frame_get_type
</SECTION>
<SECTION>
<FILE>gdkdrawcontext</FILE>
GdkDrawContext
gdk_draw_context_get_display
gdk_draw_context_get_window
<SUBSECTION Standard>
GDK_DRAW_CONTEXT
GDK_IS_DRAW_CONTEXT
GDK_TYPE_DRAW_CONTEXT
GDK_DRAW_CONTEXT_CLASS
GDK_DRAW_CONTEXT_GET_CLASS
GDK_IS_DRAW_CONTEXT_CLASS
gdk_draw_context_get_type
</SECTION>
<SECTION>
<FILE>gdkglcontext</FILE>
GdkGLContext

3
gdk/Makefile.am
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@ -67,6 +67,7 @@ gdk_public_h_sources = \
gdkdisplay.h \
gdkdisplaymanager.h \
gdkdnd.h \
gdkdrawcontext.h \
gdkdrawingcontext.h \
gdkevents.h \
gdkframetimings.h \
@ -106,6 +107,7 @@ gdk_private_headers = \
gdkdisplaymanagerprivate.h \
gdkdisplayprivate.h \
gdkdndprivate.h \
gdkdrawcontextprivate.h \
gdkdrawingcontextprivate.h \
gdkframeclockidle.h \
gdkframeclockprivate.h \
@ -133,6 +135,7 @@ gdk_c_sources = \
gdkdisplay.c \
gdkdisplaymanager.c \
gdkdnd.c \
gdkdrawcontext.c \
gdkdrawingcontext.c \
gdkevents.c \
gdkframetimings.c \

1
gdk/gdk.h
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@ -39,6 +39,7 @@
#include <gdk/gdkdisplay.h>
#include <gdk/gdkdisplaymanager.h>
#include <gdk/gdkdnd.h>
#include <gdk/gdkdrawcontext.h>
#include <gdk/gdkdrawingcontext.h>
#include <gdk/gdkenumtypes.h>
#include <gdk/gdkevents.h>

201
gdk/gdkdrawcontext.c Normal file
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@ -0,0 +1,201 @@
/* GDK - The GIMP Drawing Kit
*
* gdkdrawcontext.c: base class for rendering system support
*
* Copyright © 2016 Benjamin Otte
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gdkdrawcontextprivate.h"
#include "gdkinternals.h"
#include "gdkintl.h"
/**
* SECTION:gdkdrawcontext
* @Title: GdkDrawContext
* @Short_description: Drawing context base class
*
* #GdkDrawContext is the base object used by contexts implementing different
* rendering methods, such as #GdkGLContext or #GdkVulkanContext. They provide
* shared functionality between those contexts.
*
* You will always interact with one of those subclasses.
*/
typedef struct _GdkDrawContextPrivate GdkDrawContextPrivate;
struct _GdkDrawContextPrivate {
GdkWindow *window;
};
enum {
PROP_0,
PROP_DISPLAY,
PROP_WINDOW,
LAST_PROP
};
static GParamSpec *pspecs[LAST_PROP] = { NULL, };
G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (GdkDrawContext, gdk_draw_context, G_TYPE_OBJECT)
static void
gdk_draw_context_dispose (GObject *gobject)
{
GdkDrawContext *context = GDK_DRAW_CONTEXT (gobject);
GdkDrawContextPrivate *priv = gdk_draw_context_get_instance_private (context);
g_clear_object (&priv->window);
G_OBJECT_CLASS (gdk_draw_context_parent_class)->dispose (gobject);
}
static void
gdk_draw_context_set_property (GObject *gobject,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GdkDrawContext *context = GDK_DRAW_CONTEXT (gobject);
GdkDrawContextPrivate *priv = gdk_draw_context_get_instance_private (context);
switch (prop_id)
{
case PROP_WINDOW:
priv->window = g_value_dup_object (value);
g_assert (priv->window != NULL);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
}
}
static void
gdk_draw_context_get_property (GObject *gobject,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GdkDrawContext *context = GDK_DRAW_CONTEXT (gobject);
GdkDrawContextPrivate *priv = gdk_draw_context_get_instance_private (context);
switch (prop_id)
{
case PROP_DISPLAY:
g_value_set_object (value, gdk_draw_context_get_display (context));
break;
case PROP_WINDOW:
g_value_set_object (value, priv->window);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
}
}
static void
gdk_draw_context_class_init (GdkDrawContextClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->set_property = gdk_draw_context_set_property;
gobject_class->get_property = gdk_draw_context_get_property;
gobject_class->dispose = gdk_draw_context_dispose;
/**
* GdkDrawContext:display:
*
* The #GdkDisplay used to create the #GdkDrawContext.
*
* Since: 3.90
*/
pspecs[PROP_DISPLAY] =
g_param_spec_object ("display",
P_("Display"),
P_("The GDK display used to create the context"),
GDK_TYPE_DISPLAY,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS);
/**
* GdkDrawContext:window:
*
* The #GdkWindow the gl context is bound to.
*
* Since: 3.90
*/
pspecs[PROP_WINDOW] =
g_param_spec_object ("window",
P_("Window"),
P_("The GDK window bound to the context"),
GDK_TYPE_WINDOW,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (gobject_class, LAST_PROP, pspecs);
}
static void
gdk_draw_context_init (GdkDrawContext *self)
{
}
/**
* gdk_draw_context_get_display:
* @context: a #GdkDrawContext
*
* Retrieves the #GdkDisplay the @context is created for
*
* Returns: (nullable) (transfer none): a #GdkDisplay or %NULL
*
* Since: 3.90
*/
GdkDisplay *
gdk_draw_context_get_display (GdkDrawContext *context)
{
GdkDrawContextPrivate *priv = gdk_draw_context_get_instance_private (context);
g_return_val_if_fail (GDK_IS_DRAW_CONTEXT (context), NULL);
return priv->window ? gdk_window_get_display (priv->window) : NULL;
}
/**
* gdk_draw_context_get_window:
* @context: a #GdkDrawContext
*
* Retrieves the #GdkWindow used by the @context.
*
* Returns: (nullable) (transfer none): a #GdkWindow or %NULL
*
* Since: 3.90
*/
GdkWindow *
gdk_draw_context_get_window (GdkDrawContext *context)
{
GdkDrawContextPrivate *priv = gdk_draw_context_get_instance_private (context);
g_return_val_if_fail (GDK_IS_DRAW_CONTEXT (context), NULL);
return priv->window;
}

47
gdk/gdkdrawcontext.h Normal file
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@ -0,0 +1,47 @@
/* GDK - The GIMP Drawing Kit
*
* gdkdrawcontext.h: base class for rendering system support
*
* Copyright © 2016 Benjamin Otte
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __GDK_DRAW_CONTEXT__
#define __GDK_DRAW_CONTEXT__
#if !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
#error "Only <gdk/gdk.h> can be included directly."
#endif
#include <gdk/gdkversionmacros.h>
#include <gdk/gdktypes.h>
G_BEGIN_DECLS
#define GDK_TYPE_DRAW_CONTEXT (gdk_draw_context_get_type ())
#define GDK_DRAW_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_DRAW_CONTEXT, GdkDrawContext))
#define GDK_IS_DRAW_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_DRAW_CONTEXT))
GDK_AVAILABLE_IN_3_90
GType gdk_draw_context_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_3_90
GdkDisplay * gdk_draw_context_get_display (GdkDrawContext *context);
GDK_AVAILABLE_IN_3_90
GdkWindow * gdk_draw_context_get_window (GdkDrawContext *context);
G_END_DECLS
#endif /* __GDK_DRAW_CONTEXT__ */

46
gdk/gdkdrawcontextprivate.h Normal file
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@ -0,0 +1,46 @@
/* GDK - The GIMP Drawing Kit
*
* gdkdrawcontext.h: base class for rendering system support
*
* Copyright © 2016 Benjamin Otte
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __GDK_DRAW_CONTEXT_PRIVATE__
#define __GDK_DRAW_CONTEXT_PRIVATE__
#include "gdkdrawcontext.h"
G_BEGIN_DECLS
#define GDK_DRAW_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_DRAW_CONTEXT, GdkDrawContextClass))
#define GDK_IS_DRAW_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_DRAW_CONTEXT))
#define GDK_DRAW_CONTEXT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_DRAW_CONTEXT, GdkDrawContextClass))
typedef struct _GdkDrawContextClass GdkDrawContextClass;
struct _GdkDrawContext
{
GObject parent_instance;
};
struct _GdkDrawContextClass
{
GObjectClass parent_class;
};
G_END_DECLS
#endif /* __GDK__DRAW_CONTEXT_PRIVATE__ */

1
gdk/gdktypes.h
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@ -145,6 +145,7 @@ typedef struct _GdkAppLaunchContext GdkAppLaunchContext;
typedef struct _GdkSeat GdkSeat;
typedef struct _GdkDrawingContext GdkDrawingContext;
typedef struct _GdkDrawContext GdkDrawContext;
typedef struct _GdkGLContext GdkGLContext;
/**