gtk2/gdk/quartz/gdkgc-quartz.c

223 lines
5.2 KiB
C
Raw Normal View History

/* gdkgc-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 "gdkgc.h"
#include "gdkprivate-quartz.h"
static gpointer parent_class = NULL;
static void
gdk_quartz_gc_get_values (GdkGC *gc,
GdkGCValues *values)
{
/* FIXME: Implement */
}
static void
gdk_quartz_gc_set_values (GdkGC *gc,
GdkGCValues *values,
GdkGCValuesMask mask)
{
GdkGCQuartz *private = GDK_GC_QUARTZ (gc);
private->values_mask |= mask;
if (mask & GDK_GC_CLIP_MASK)
{
private->have_clip_region = FALSE;
private->have_clip_mask = values->clip_mask != NULL;
if (private->clip_mask)
CGImageRelease (private->clip_mask);
if (values->clip_mask)
private->clip_mask = CGImageCreateCopy (GDK_PIXMAP_IMPL_QUARTZ (GDK_PIXMAP_OBJECT (values->clip_mask)->impl)->image);
else
private->clip_mask = NULL;
}
}
static void
gdk_quartz_gc_set_dashes (GdkGC *gc,
gint dash_offset,
gint8 dash_list[],
gint n)
{
/* FIXME: Implement */
}
static void
gdk_gc_quartz_finalize (GObject *object)
{
GdkGCQuartz *private = GDK_GC_QUARTZ (object);
if (private->clip_mask)
CGImageRelease (private->clip_mask);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gdk_gc_quartz_class_init (GdkGCQuartzClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GdkGCClass *gc_class = GDK_GC_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
object_class->finalize = gdk_gc_quartz_finalize;
gc_class->get_values = gdk_quartz_gc_get_values;
gc_class->set_values = gdk_quartz_gc_set_values;
gc_class->set_dashes = gdk_quartz_gc_set_dashes;
}
GType
_gdk_gc_quartz_get_type (void)
{
static GType object_type = 0;
if (!object_type)
{
static const GTypeInfo object_info =
{
sizeof (GdkGCQuartzClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gdk_gc_quartz_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GdkGCQuartz),
0, /* n_preallocs */
(GInstanceInitFunc) NULL,
};
object_type = g_type_register_static (GDK_TYPE_GC,
"GdkGCQuartz",
&object_info, 0);
}
return object_type;
}
GdkGC *
_gdk_quartz_gc_new (GdkDrawable *drawable,
GdkGCValues *values,
GdkGCValuesMask values_mask)
{
GdkGC *gc;
gc = g_object_new (GDK_TYPE_GC_QUARTZ, NULL);
_gdk_gc_init (gc, drawable, values, values_mask);
gdk_quartz_gc_set_values (gc, values, values_mask);
return gc;
}
void
_gdk_windowing_gc_set_clip_region (GdkGC *gc,
GdkRegion *region)
{
GdkGCQuartz *private = GDK_GC_QUARTZ (gc);
if ((private->have_clip_region && ! region) || private->have_clip_mask)
{
if (private->clip_mask)
{
CGImageRelease (private->clip_mask);
private->clip_mask = NULL;
}
private->have_clip_mask = FALSE;
}
private->have_clip_region = region != NULL;
gc->clip_x_origin = 0;
gc->clip_y_origin = 0;
}
void
_gdk_windowing_gc_copy (GdkGC *dst_gc,
GdkGC *src_gc)
{
/* FIXME: Implement */
}
GdkScreen *
gdk_gc_get_screen (GdkGC *gc)
{
return NULL;
}
void
_gdk_quartz_update_context_from_gc (CGContextRef context, GdkGC *gc)
{
GdkGCQuartz *private;
if (gc == NULL)
return;
private = GDK_GC_QUARTZ (gc);
if (private->have_clip_region)
{
CGRect rect;
CGRect *cg_rects;
GdkRectangle *rects;
gint n_rects, i;
gdk_region_get_rectangles (_gdk_gc_get_clip_region (gc),
&rects, &n_rects);
if (n_rects == 1)
cg_rects = &rect;
else
cg_rects = g_new (CGRect, n_rects);
for (i = 0; i < n_rects; i++)
{
cg_rects[i].origin.x = rects[i].x + gc->clip_x_origin;
cg_rects[i].origin.y = rects[i].y + gc->clip_y_origin;
cg_rects[i].size.width = rects[i].width;
cg_rects[i].size.height = rects[i].height;
}
CGContextClipToRects (context, cg_rects, n_rects);
g_free (rects);
if (cg_rects != &rect)
g_free (cg_rects);
}
else if (private->have_clip_mask && private->clip_mask)
{
/* FIXME: This is 10.4 only. For lower versions, we need to transform the
* mask into a region.
*/
CGContextClipToMask (context,
CGRectMake(gc->clip_x_origin, gc->clip_y_origin,
CGImageGetWidth (private->clip_mask),
CGImageGetHeight (private->clip_mask)),
private->clip_mask);
}
}