forked from AuroraMiddleware/gtk
261 lines
7.2 KiB
C
261 lines
7.2 KiB
C
/* gdkpixmap-quartz.c
|
|
*
|
|
* Copyright (C) 2005 Imendio AB
|
|
*
|
|
* 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, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "gdkpixmap.h"
|
|
#include "gdkprivate-quartz.h"
|
|
|
|
static gpointer parent_class;
|
|
|
|
static void
|
|
gdk_pixmap_impl_quartz_init (GdkPixmapImplQuartz *impl)
|
|
{
|
|
}
|
|
|
|
static void
|
|
gdk_pixmap_impl_quartz_get_size (GdkDrawable *drawable,
|
|
gint *width,
|
|
gint *height)
|
|
{
|
|
if (width)
|
|
*width = GDK_PIXMAP_IMPL_QUARTZ (drawable)->width;
|
|
if (height)
|
|
*height = GDK_PIXMAP_IMPL_QUARTZ (drawable)->height;
|
|
}
|
|
|
|
static CGContextRef
|
|
gdk_pixmap_impl_quartz_get_context (GdkDrawable *drawable,
|
|
gboolean antialias)
|
|
{
|
|
GdkPixmapImplQuartz *impl = GDK_PIXMAP_IMPL_QUARTZ (drawable);
|
|
CGContextRef cg_context;
|
|
size_t height;
|
|
|
|
cg_context = CGBitmapContextCreate (impl->data,
|
|
CGImageGetWidth (impl->image),
|
|
CGImageGetHeight (impl->image),
|
|
CGImageGetBitsPerComponent (impl->image),
|
|
CGImageGetBytesPerRow (impl->image),
|
|
CGImageGetColorSpace (impl->image),
|
|
CGImageGetBitmapInfo (impl->image));
|
|
CGContextSetAllowsAntialiasing (cg_context, antialias);
|
|
|
|
/* convert coordinates from core graphics to gtk+ */
|
|
height = CGImageGetHeight (impl->image);
|
|
|
|
CGContextTranslateCTM (cg_context, 0, height);
|
|
CGContextScaleCTM (cg_context, 1.0, -1.0);
|
|
|
|
return cg_context;
|
|
}
|
|
|
|
static void
|
|
gdk_pixmap_impl_quartz_finalize (GObject *object)
|
|
{
|
|
GdkPixmapImplQuartz *impl = GDK_PIXMAP_IMPL_QUARTZ (object);
|
|
|
|
CGImageRelease (impl->image);
|
|
|
|
_gdk_quartz_drawable_finish (GDK_DRAWABLE (impl));
|
|
|
|
G_OBJECT_CLASS (parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
gdk_pixmap_impl_quartz_class_init (GdkPixmapImplQuartzClass *klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
GdkDrawableClass *drawable_class = GDK_DRAWABLE_CLASS (klass);
|
|
GdkDrawableImplQuartzClass *drawable_quartz_class = GDK_DRAWABLE_IMPL_QUARTZ_CLASS (klass);
|
|
|
|
parent_class = g_type_class_peek_parent (klass);
|
|
|
|
object_class->finalize = gdk_pixmap_impl_quartz_finalize;
|
|
|
|
drawable_class->get_size = gdk_pixmap_impl_quartz_get_size;
|
|
|
|
drawable_quartz_class->get_context = gdk_pixmap_impl_quartz_get_context;
|
|
}
|
|
|
|
GType
|
|
_gdk_pixmap_impl_quartz_get_type (void)
|
|
{
|
|
static GType object_type = 0;
|
|
|
|
if (!object_type)
|
|
{
|
|
const GTypeInfo object_info =
|
|
{
|
|
sizeof (GdkPixmapImplQuartzClass),
|
|
(GBaseInitFunc) NULL,
|
|
(GBaseFinalizeFunc) NULL,
|
|
(GClassInitFunc) gdk_pixmap_impl_quartz_class_init,
|
|
NULL, /* class_finalize */
|
|
NULL, /* class_data */
|
|
sizeof (GdkPixmapImplQuartz),
|
|
0, /* n_preallocs */
|
|
(GInstanceInitFunc) gdk_pixmap_impl_quartz_init
|
|
};
|
|
|
|
object_type = g_type_register_static (GDK_TYPE_DRAWABLE_IMPL_QUARTZ,
|
|
"GdkPixmapImplQuartz",
|
|
&object_info,
|
|
0);
|
|
}
|
|
|
|
return object_type;
|
|
}
|
|
|
|
GType
|
|
_gdk_pixmap_impl_get_type (void)
|
|
{
|
|
return _gdk_pixmap_impl_quartz_get_type ();
|
|
}
|
|
|
|
static void
|
|
data_provider_release (void *info, const void *data, size_t size)
|
|
{
|
|
g_free (info);
|
|
}
|
|
|
|
GdkPixmap*
|
|
_gdk_pixmap_new (GdkDrawable *drawable,
|
|
gint width,
|
|
gint height,
|
|
gint depth)
|
|
{
|
|
GdkPixmap *pixmap;
|
|
GdkDrawableImplQuartz *draw_impl;
|
|
GdkPixmapImplQuartz *pix_impl;
|
|
gint window_depth;
|
|
CGColorSpaceRef colorspace;
|
|
CGDataProviderRef data_provider;
|
|
CGImageAlphaInfo alpha_info;
|
|
gint bytes_per_row, bits_per_pixel;
|
|
|
|
g_return_val_if_fail (drawable == NULL || GDK_IS_DRAWABLE (drawable), NULL);
|
|
g_return_val_if_fail ((drawable != NULL) || (depth != -1), NULL);
|
|
g_return_val_if_fail ((width != 0) && (height != 0), NULL);
|
|
|
|
if (GDK_IS_WINDOW (drawable) && GDK_WINDOW_DESTROYED (drawable))
|
|
return NULL;
|
|
|
|
if (!drawable)
|
|
drawable = gdk_screen_get_root_window (gdk_screen_get_default ());
|
|
|
|
window_depth = gdk_drawable_get_depth (GDK_DRAWABLE (drawable));
|
|
|
|
if (depth == -1)
|
|
depth = window_depth;
|
|
|
|
switch (depth)
|
|
{
|
|
case 24:
|
|
alpha_info = kCGImageAlphaNoneSkipLast;
|
|
bytes_per_row = width * 4;
|
|
bits_per_pixel = 32;
|
|
colorspace = CGColorSpaceCreateDeviceRGB ();
|
|
break;
|
|
case 32:
|
|
alpha_info = kCGImageAlphaPremultipliedFirst;
|
|
bytes_per_row = width * 4;
|
|
bits_per_pixel = 32;
|
|
colorspace = CGColorSpaceCreateDeviceRGB ();
|
|
break;
|
|
case 1:
|
|
alpha_info = kCGImageAlphaNone;
|
|
bytes_per_row = width;
|
|
bits_per_pixel = 8;
|
|
colorspace = CGColorSpaceCreateDeviceGray ();
|
|
break;
|
|
default:
|
|
g_warning ("Unsupported bit depth %d\n", depth);
|
|
return NULL;
|
|
}
|
|
|
|
pixmap = g_object_new (gdk_pixmap_get_type (), NULL);
|
|
draw_impl = GDK_DRAWABLE_IMPL_QUARTZ (GDK_PIXMAP_OBJECT (pixmap)->impl);
|
|
pix_impl = GDK_PIXMAP_IMPL_QUARTZ (GDK_PIXMAP_OBJECT (pixmap)->impl);
|
|
draw_impl->wrapper = GDK_DRAWABLE (pixmap);
|
|
|
|
g_assert (depth == 24 || depth == 32 || depth == 1);
|
|
|
|
pix_impl->data = g_malloc (height * bytes_per_row);
|
|
data_provider = CGDataProviderCreateWithData (pix_impl->data, pix_impl->data,
|
|
height * bytes_per_row, data_provider_release);
|
|
pix_impl->image = CGImageCreate (width, height, 8, bits_per_pixel,
|
|
bytes_per_row, colorspace,
|
|
alpha_info,
|
|
data_provider, NULL, FALSE,
|
|
kCGRenderingIntentDefault);
|
|
CGDataProviderRelease (data_provider);
|
|
CGColorSpaceRelease (colorspace);
|
|
|
|
pix_impl->width = width;
|
|
pix_impl->height = height;
|
|
GDK_PIXMAP_OBJECT (pixmap)->depth = depth;
|
|
|
|
if (depth == window_depth) {
|
|
GdkColormap *colormap = gdk_drawable_get_colormap (drawable);
|
|
|
|
if (colormap)
|
|
gdk_drawable_set_colormap (pixmap, colormap);
|
|
}
|
|
|
|
return pixmap;
|
|
}
|
|
|
|
GdkPixmap *
|
|
gdk_pixmap_foreign_new_for_display (GdkDisplay *display,
|
|
GdkNativeWindow anid)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
GdkPixmap*
|
|
gdk_pixmap_foreign_new (GdkNativeWindow anid)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
GdkPixmap *
|
|
gdk_pixmap_foreign_new_for_screen (GdkScreen *screen,
|
|
GdkNativeWindow anid,
|
|
gint width,
|
|
gint height,
|
|
gint depth)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
GdkPixmap*
|
|
gdk_pixmap_lookup (GdkNativeWindow anid)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
GdkPixmap*
|
|
gdk_pixmap_lookup_for_display (GdkDisplay *display, GdkNativeWindow anid)
|
|
{
|
|
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
|
|
return NULL;
|
|
}
|