forked from AuroraMiddleware/gtk
fd20ac0751
This reverts commit 821dd33918
.
602 lines
16 KiB
C
602 lines
16 KiB
C
/* gdkgc-quartz.c
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*
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* Copyright (C) 2005 Imendio AB
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include "gdkgc.h"
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#include "gdkprivate-quartz.h"
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static gpointer parent_class = NULL;
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static void
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gdk_quartz_gc_get_values (GdkGC *gc,
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GdkGCValues *values)
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{
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GdkGCQuartz *private;
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private = GDK_GC_QUARTZ (gc);
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values->foreground.pixel = _gdk_gc_get_fg_pixel (gc);
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values->background.pixel = _gdk_gc_get_bg_pixel (gc);
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values->font = private->font;
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values->function = private->function;
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values->fill = _gdk_gc_get_fill (gc);
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values->tile = _gdk_gc_get_tile (gc);
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values->stipple = _gdk_gc_get_stipple (gc);
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/* The X11 backend always returns a NULL clip_mask. */
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values->clip_mask = NULL;
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values->ts_x_origin = gc->ts_x_origin;
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values->ts_y_origin = gc->ts_y_origin;
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values->clip_x_origin = gc->clip_x_origin;
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values->clip_y_origin = gc->clip_y_origin;
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values->graphics_exposures = private->graphics_exposures;
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values->line_width = private->line_width;
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values->line_style = private->line_style;
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values->cap_style = private->cap_style;
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values->join_style = private->join_style;
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}
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static void
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gdk_quartz_gc_set_values (GdkGC *gc,
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GdkGCValues *values,
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GdkGCValuesMask mask)
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{
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GdkGCQuartz *private = GDK_GC_QUARTZ (gc);
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if (mask & GDK_GC_FONT)
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{
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/* FIXME: implement font */
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}
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if (mask & GDK_GC_FUNCTION)
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private->function = values->function;
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if (mask & GDK_GC_SUBWINDOW)
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private->subwindow_mode = values->subwindow_mode;
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if (mask & GDK_GC_EXPOSURES)
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private->graphics_exposures = values->graphics_exposures;
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if (mask & GDK_GC_CLIP_MASK)
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{
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private->have_clip_region = FALSE;
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private->have_clip_mask = values->clip_mask != NULL;
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if (private->clip_mask)
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CGImageRelease (private->clip_mask);
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if (values->clip_mask)
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private->clip_mask = CGImageCreateCopy (GDK_PIXMAP_IMPL_QUARTZ (GDK_PIXMAP_OBJECT (values->clip_mask)->impl)->image);
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else
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private->clip_mask = NULL;
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}
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if (mask & GDK_GC_LINE_WIDTH)
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private->line_width = values->line_width;
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if (mask & GDK_GC_LINE_STYLE)
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private->line_style = values->line_style;
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if (mask & GDK_GC_CAP_STYLE)
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private->cap_style = values->cap_style;
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if (mask & GDK_GC_JOIN_STYLE)
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private->join_style = values->join_style;
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}
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static void
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gdk_quartz_gc_set_dashes (GdkGC *gc,
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gint dash_offset,
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gint8 dash_list[],
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gint n)
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{
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GdkGCQuartz *private = GDK_GC_QUARTZ (gc);
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gint i;
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private->dash_count = n;
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g_free (private->dash_lengths);
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private->dash_lengths = g_new (CGFloat, n);
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for (i = 0; i < n; i++)
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private->dash_lengths[i] = (CGFloat) dash_list[i];
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private->dash_phase = (CGFloat) dash_offset;
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}
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static void
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gdk_gc_quartz_finalize (GObject *object)
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{
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GdkGCQuartz *private = GDK_GC_QUARTZ (object);
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if (private->clip_mask)
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CGImageRelease (private->clip_mask);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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gdk_gc_quartz_class_init (GdkGCQuartzClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GdkGCClass *gc_class = GDK_GC_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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object_class->finalize = gdk_gc_quartz_finalize;
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gc_class->get_values = gdk_quartz_gc_get_values;
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gc_class->set_values = gdk_quartz_gc_set_values;
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gc_class->set_dashes = gdk_quartz_gc_set_dashes;
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}
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static void
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gdk_gc_quartz_init (GdkGCQuartz *gc_quartz)
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{
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gc_quartz->function = GDK_COPY;
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gc_quartz->subwindow_mode = GDK_CLIP_BY_CHILDREN;
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gc_quartz->graphics_exposures = TRUE;
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gc_quartz->line_width = 0;
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gc_quartz->line_style = GDK_LINE_SOLID;
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gc_quartz->cap_style = GDK_CAP_BUTT;
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gc_quartz->join_style = GDK_JOIN_MITER;
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}
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GType
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_gdk_gc_quartz_get_type (void)
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{
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static GType object_type = 0;
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if (!object_type)
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{
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const GTypeInfo object_info =
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{
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sizeof (GdkGCQuartzClass),
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(GBaseInitFunc) NULL,
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(GBaseFinalizeFunc) NULL,
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(GClassInitFunc) gdk_gc_quartz_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GdkGCQuartz),
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0, /* n_preallocs */
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(GInstanceInitFunc) gdk_gc_quartz_init,
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};
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object_type = g_type_register_static (GDK_TYPE_GC,
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"GdkGCQuartz",
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&object_info, 0);
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}
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return object_type;
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}
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GdkGC *
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_gdk_quartz_gc_new (GdkDrawable *drawable,
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GdkGCValues *values,
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GdkGCValuesMask values_mask)
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{
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GdkGC *gc;
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gc = g_object_new (GDK_TYPE_GC_QUARTZ, NULL);
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_gdk_gc_init (gc, drawable, values, values_mask);
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gdk_quartz_gc_set_values (gc, values, values_mask);
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return gc;
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}
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void
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_gdk_windowing_gc_set_clip_region (GdkGC *gc,
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const GdkRegion *region,
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gboolean reset_origin)
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{
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GdkGCQuartz *private = GDK_GC_QUARTZ (gc);
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if ((private->have_clip_region && ! region) || private->have_clip_mask)
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{
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if (private->clip_mask)
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{
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CGImageRelease (private->clip_mask);
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private->clip_mask = NULL;
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}
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private->have_clip_mask = FALSE;
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}
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private->have_clip_region = region != NULL;
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if (reset_origin)
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{
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gc->clip_x_origin = 0;
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gc->clip_y_origin = 0;
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}
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}
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void
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_gdk_windowing_gc_copy (GdkGC *dst_gc,
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GdkGC *src_gc)
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{
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GdkGCQuartz *dst_quartz_gc = GDK_GC_QUARTZ (dst_gc);
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GdkGCQuartz *src_quartz_gc = GDK_GC_QUARTZ (src_gc);
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if (dst_quartz_gc->font)
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gdk_font_unref (dst_quartz_gc->font);
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dst_quartz_gc->font = src_quartz_gc->font;
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if (dst_quartz_gc->font)
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gdk_font_ref (dst_quartz_gc->font);
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dst_quartz_gc->function = src_quartz_gc->function;
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dst_quartz_gc->subwindow_mode = src_quartz_gc->subwindow_mode;
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dst_quartz_gc->graphics_exposures = src_quartz_gc->graphics_exposures;
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dst_quartz_gc->have_clip_region = src_quartz_gc->have_clip_region;
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dst_quartz_gc->have_clip_mask = src_quartz_gc->have_clip_mask;
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if (dst_quartz_gc->clip_mask)
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{
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CGImageRelease (dst_quartz_gc->clip_mask);
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dst_quartz_gc->clip_mask = NULL;
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}
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if (src_quartz_gc->clip_mask)
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dst_quartz_gc->clip_mask =
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CGImageCreateCopy (GDK_PIXMAP_IMPL_QUARTZ (GDK_PIXMAP_OBJECT (src_quartz_gc->clip_mask)->impl)->image);
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dst_quartz_gc->line_width = src_quartz_gc->line_width;
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dst_quartz_gc->line_style = src_quartz_gc->line_style;
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dst_quartz_gc->cap_style = src_quartz_gc->cap_style;
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dst_quartz_gc->join_style = src_quartz_gc->join_style;
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g_free (dst_quartz_gc->dash_lengths);
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dst_quartz_gc->dash_lengths = g_memdup (src_quartz_gc->dash_lengths,
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sizeof (CGFloat) * src_quartz_gc->dash_count);
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dst_quartz_gc->dash_count = src_quartz_gc->dash_count;
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dst_quartz_gc->dash_phase = src_quartz_gc->dash_phase;
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}
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GdkScreen *
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gdk_gc_get_screen (GdkGC *gc)
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{
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return _gdk_screen;
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}
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static void
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gdk_quartz_draw_tiled_pattern (void *info,
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CGContextRef context)
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{
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GdkGC *gc = GDK_GC (info);
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CGImageRef pattern_image;
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size_t width, height;
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pattern_image = GDK_PIXMAP_IMPL_QUARTZ (GDK_PIXMAP_OBJECT (_gdk_gc_get_tile (gc))->impl)->image;
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width = CGImageGetWidth (pattern_image);
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height = CGImageGetHeight (pattern_image);
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CGContextDrawImage (context,
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CGRectMake (0, 0, width, height),
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pattern_image);
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}
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static void
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gdk_quartz_draw_stippled_pattern (void *info,
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CGContextRef context)
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{
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GdkGC *gc = GDK_GC (info);
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CGImageRef pattern_image;
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CGRect rect;
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CGFloat r, g, b, a;
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pattern_image = GDK_PIXMAP_IMPL_QUARTZ (GDK_PIXMAP_OBJECT (_gdk_gc_get_stipple (gc))->impl)->image;
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rect = CGRectMake (0, 0,
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CGImageGetWidth (pattern_image),
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CGImageGetHeight (pattern_image));
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CGContextClipToMask (context, rect, pattern_image);
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_gdk_quartz_colormap_get_rgba_from_pixel (gc->colormap,
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_gdk_gc_get_fg_pixel (gc),
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&r, &g, &b, &a);
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CGContextSetRGBFillColor (context, r, g, b, a);
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CGContextFillRect (context, rect);
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}
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static void
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gdk_quartz_draw_opaque_stippled_pattern (void *info,
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CGContextRef context)
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{
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GdkGC *gc = GDK_GC (info);
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CGImageRef pattern_image;
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CGRect rect;
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CGFloat r, g, b, a;
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pattern_image = GDK_PIXMAP_IMPL_QUARTZ (GDK_PIXMAP_OBJECT (_gdk_gc_get_stipple (gc))->impl)->image;
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rect = CGRectMake (0, 0,
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CGImageGetWidth (pattern_image),
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CGImageGetHeight (pattern_image));
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_gdk_quartz_colormap_get_rgba_from_pixel (gc->colormap,
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_gdk_gc_get_bg_pixel (gc),
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&r, &g, &b, &a);
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CGContextSetRGBFillColor (context, r, g, b, a);
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CGContextFillRect (context, rect);
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CGContextClipToMask (context, rect, pattern_image);
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_gdk_quartz_colormap_get_rgba_from_pixel (gc->colormap,
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_gdk_gc_get_fg_pixel (gc),
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&r, &g, &b, &a);
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CGContextSetRGBFillColor (context, r, g, b, a);
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CGContextFillRect (context, rect);
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}
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void
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_gdk_quartz_gc_update_cg_context (GdkGC *gc,
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GdkDrawable *drawable,
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CGContextRef context,
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GdkQuartzContextValuesMask mask)
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{
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GdkGCQuartz *private;
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guint32 fg_pixel;
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guint32 bg_pixel;
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g_return_if_fail (gc == NULL || GDK_IS_GC (gc));
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if (!gc)
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return;
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private = GDK_GC_QUARTZ (gc);
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if (private->have_clip_region)
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{
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CGRect rect;
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CGRect *cg_rects;
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GdkRectangle *rects;
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gint n_rects, i;
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gdk_region_get_rectangles (_gdk_gc_get_clip_region (gc),
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&rects, &n_rects);
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if (n_rects == 1)
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cg_rects = ▭
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else
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cg_rects = g_new (CGRect, n_rects);
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for (i = 0; i < n_rects; i++)
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{
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cg_rects[i].origin.x = rects[i].x + gc->clip_x_origin;
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cg_rects[i].origin.y = rects[i].y + gc->clip_y_origin;
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cg_rects[i].size.width = rects[i].width;
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cg_rects[i].size.height = rects[i].height;
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}
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CGContextClipToRects (context, cg_rects, n_rects);
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g_free (rects);
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if (cg_rects != &rect)
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g_free (cg_rects);
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}
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else if (private->have_clip_mask && private->clip_mask)
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{
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/* Note: This is 10.4 only. For lower versions, we need to transform the
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* mask into a region.
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*/
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CGContextClipToMask (context,
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CGRectMake (gc->clip_x_origin, gc->clip_y_origin,
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CGImageGetWidth (private->clip_mask),
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CGImageGetHeight (private->clip_mask)),
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private->clip_mask);
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}
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fg_pixel = _gdk_gc_get_fg_pixel (gc);
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bg_pixel = _gdk_gc_get_bg_pixel (gc);
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{
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CGBlendMode blend_mode = kCGBlendModeNormal;
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switch (private->function)
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{
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case GDK_COPY:
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blend_mode = kCGBlendModeNormal;
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break;
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case GDK_INVERT:
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case GDK_XOR:
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blend_mode = kCGBlendModeExclusion;
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fg_pixel = 0xffffffff;
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bg_pixel = 0xffffffff;
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break;
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case GDK_CLEAR:
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case GDK_AND:
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case GDK_AND_REVERSE:
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case GDK_AND_INVERT:
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case GDK_NOOP:
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case GDK_OR:
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case GDK_EQUIV:
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case GDK_OR_REVERSE:
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case GDK_COPY_INVERT:
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case GDK_OR_INVERT:
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case GDK_NAND:
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case GDK_NOR:
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case GDK_SET:
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blend_mode = kCGBlendModeNormal; /* FIXME */
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break;
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}
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CGContextSetBlendMode (context, blend_mode);
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}
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/* FIXME: implement subwindow mode */
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/* FIXME: implement graphics exposures */
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if (mask & GDK_QUARTZ_CONTEXT_STROKE)
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{
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CGLineCap line_cap = kCGLineCapButt;
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CGLineJoin line_join = kCGLineJoinMiter;
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CGFloat r, g, b, a;
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_gdk_quartz_colormap_get_rgba_from_pixel (gc->colormap,
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fg_pixel,
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&r, &g, &b, &a);
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CGContextSetRGBStrokeColor (context, r, g, b, a);
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CGContextSetLineWidth (context, MAX (G_MINFLOAT, private->line_width));
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switch (private->line_style)
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{
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case GDK_LINE_SOLID:
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CGContextSetLineDash (context, 0.0, NULL, 0);
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break;
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case GDK_LINE_DOUBLE_DASH:
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/* FIXME: Implement; for now, fall back to GDK_LINE_ON_OFF_DASH */
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case GDK_LINE_ON_OFF_DASH:
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CGContextSetLineDash (context, private->dash_phase,
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private->dash_lengths, private->dash_count);
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break;
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}
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switch (private->cap_style)
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{
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case GDK_CAP_NOT_LAST:
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/* FIXME: Implement; for now, fall back to GDK_CAP_BUTT */
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case GDK_CAP_BUTT:
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line_cap = kCGLineCapButt;
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break;
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case GDK_CAP_ROUND:
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line_cap = kCGLineCapRound;
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break;
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case GDK_CAP_PROJECTING:
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line_cap = kCGLineCapSquare;
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break;
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}
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CGContextSetLineCap (context, line_cap);
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switch (private->join_style)
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{
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case GDK_JOIN_MITER:
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line_join = kCGLineJoinMiter;
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break;
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case GDK_JOIN_ROUND:
|
|
line_join = kCGLineJoinRound;
|
|
break;
|
|
case GDK_JOIN_BEVEL:
|
|
line_join = kCGLineJoinBevel;
|
|
break;
|
|
}
|
|
|
|
CGContextSetLineJoin (context, line_join);
|
|
}
|
|
|
|
if (mask & GDK_QUARTZ_CONTEXT_FILL)
|
|
{
|
|
GdkFill fill = _gdk_gc_get_fill (gc);
|
|
CGColorSpaceRef baseSpace;
|
|
CGColorSpaceRef patternSpace;
|
|
CGFloat alpha = 1.0;
|
|
CGFloat colors[4] = { 0.0, 0.0, 0.0, 0.0 };
|
|
CGFloat r, g, b, a;
|
|
|
|
if (fill == GDK_SOLID)
|
|
{
|
|
_gdk_quartz_colormap_get_rgba_from_pixel (gc->colormap,
|
|
fg_pixel,
|
|
&r, &g, &b, &a);
|
|
CGContextSetRGBFillColor (context, r, g, b, a);
|
|
}
|
|
else
|
|
{
|
|
if (!private->ts_pattern)
|
|
{
|
|
CGImageRef pattern_image = NULL;
|
|
gfloat width, height;
|
|
gboolean is_colored = FALSE;
|
|
CGPatternCallbacks callbacks = { 0, NULL, NULL };
|
|
CGPoint phase;
|
|
|
|
switch (fill)
|
|
{
|
|
case GDK_TILED:
|
|
pattern_image = GDK_PIXMAP_IMPL_QUARTZ (GDK_PIXMAP_OBJECT (_gdk_gc_get_tile (gc))->impl)->image;
|
|
is_colored = TRUE;
|
|
callbacks.drawPattern = gdk_quartz_draw_tiled_pattern;
|
|
break;
|
|
case GDK_STIPPLED:
|
|
pattern_image = GDK_PIXMAP_IMPL_QUARTZ (GDK_PIXMAP_OBJECT (_gdk_gc_get_stipple (gc))->impl)->image;
|
|
is_colored = FALSE;
|
|
callbacks.drawPattern = gdk_quartz_draw_stippled_pattern;
|
|
break;
|
|
case GDK_OPAQUE_STIPPLED:
|
|
pattern_image = GDK_PIXMAP_IMPL_QUARTZ (GDK_PIXMAP_OBJECT (_gdk_gc_get_stipple (gc))->impl)->image;
|
|
is_colored = TRUE;
|
|
callbacks.drawPattern = gdk_quartz_draw_opaque_stippled_pattern;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
width = CGImageGetWidth (pattern_image);
|
|
height = CGImageGetHeight (pattern_image);
|
|
|
|
phase = CGPointApplyAffineTransform (CGPointMake (gc->ts_x_origin, gc->ts_y_origin), CGContextGetCTM (context));
|
|
CGContextSetPatternPhase (context, CGSizeMake (phase.x, phase.y));
|
|
|
|
private->ts_pattern = CGPatternCreate (private,
|
|
CGRectMake (0, 0, width, height),
|
|
CGAffineTransformIdentity,
|
|
width, height,
|
|
kCGPatternTilingConstantSpacing,
|
|
is_colored,
|
|
&callbacks);
|
|
}
|
|
|
|
baseSpace = (fill == GDK_STIPPLED) ? CGColorSpaceCreateWithName (kCGColorSpaceGenericRGB) : NULL;
|
|
patternSpace = CGColorSpaceCreatePattern (baseSpace);
|
|
|
|
CGContextSetFillColorSpace (context, patternSpace);
|
|
CGColorSpaceRelease (patternSpace);
|
|
CGColorSpaceRelease (baseSpace);
|
|
|
|
if (fill == GDK_STIPPLED)
|
|
_gdk_quartz_colormap_get_rgba_from_pixel (gc->colormap, fg_pixel,
|
|
&colors[0], &colors[1],
|
|
&colors[2], &colors[3]);
|
|
|
|
CGContextSetFillPattern (context, private->ts_pattern,
|
|
(fill == GDK_STIPPLED) ? colors : &alpha);
|
|
}
|
|
}
|
|
|
|
if (mask & GDK_QUARTZ_CONTEXT_TEXT)
|
|
{
|
|
/* FIXME: implement text */
|
|
}
|
|
|
|
if (GDK_IS_WINDOW_IMPL_QUARTZ (drawable))
|
|
private->is_window = TRUE;
|
|
else
|
|
private->is_window = FALSE;
|
|
}
|