forked from AuroraMiddleware/gtk
405 lines
9.2 KiB
C
405 lines
9.2 KiB
C
/* GTK - The GIMP Toolkit
|
|
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
|
|
* file for a list of people on the GTK+ Team. See the ChangeLog
|
|
* files for a list of changes. These files are distributed with
|
|
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "gtkgc.h"
|
|
#include "gtkintl.h"
|
|
|
|
|
|
typedef struct _GtkGCKey GtkGCKey;
|
|
typedef struct _GtkGCDrawable GtkGCDrawable;
|
|
|
|
struct _GtkGCKey
|
|
{
|
|
gint depth;
|
|
GdkColormap *colormap;
|
|
GdkGCValues values;
|
|
GdkGCValuesMask mask;
|
|
};
|
|
|
|
struct _GtkGCDrawable
|
|
{
|
|
gint depth;
|
|
GdkPixmap *drawable;
|
|
};
|
|
|
|
|
|
static void gtk_gc_init (void);
|
|
static GtkGCKey* gtk_gc_key_dup (GtkGCKey *key);
|
|
static void gtk_gc_key_destroy (GtkGCKey *key);
|
|
static gpointer gtk_gc_new (gpointer key);
|
|
static void gtk_gc_destroy (gpointer value);
|
|
static guint gtk_gc_key_hash (gpointer key);
|
|
static guint gtk_gc_value_hash (gpointer value);
|
|
static gint gtk_gc_key_equal (gpointer a,
|
|
gpointer b);
|
|
static guint gtk_gc_drawable_hash (GtkGCDrawable *d);
|
|
static gint gtk_gc_drawable_equal (GtkGCDrawable *a,
|
|
GtkGCDrawable *b);
|
|
|
|
|
|
static gint initialize = TRUE;
|
|
static GCache *gc_cache = NULL;
|
|
static GQuark quark_gtk_gc_drawable_ht = 0;
|
|
|
|
GdkGC*
|
|
gtk_gc_get (gint depth,
|
|
GdkColormap *colormap,
|
|
GdkGCValues *values,
|
|
GdkGCValuesMask values_mask)
|
|
{
|
|
GtkGCKey key;
|
|
GdkGC *gc;
|
|
|
|
if (initialize)
|
|
gtk_gc_init ();
|
|
|
|
key.depth = depth;
|
|
key.colormap = colormap;
|
|
key.values = *values;
|
|
key.mask = values_mask;
|
|
|
|
gc = g_cache_insert (gc_cache, &key);
|
|
|
|
return gc;
|
|
}
|
|
|
|
void
|
|
gtk_gc_release (GdkGC *gc)
|
|
{
|
|
if (initialize)
|
|
gtk_gc_init ();
|
|
|
|
g_cache_remove (gc_cache, gc);
|
|
}
|
|
|
|
static void
|
|
free_gc_drawable (gpointer data)
|
|
{
|
|
GtkGCDrawable *drawable = data;
|
|
g_object_unref (drawable->drawable);
|
|
g_slice_free (GtkGCDrawable, drawable);
|
|
}
|
|
|
|
static GHashTable*
|
|
gtk_gc_get_drawable_ht (GdkScreen *screen)
|
|
{
|
|
GHashTable *ht = g_object_get_qdata (G_OBJECT (screen), quark_gtk_gc_drawable_ht);
|
|
if (!ht)
|
|
{
|
|
ht = g_hash_table_new_full ((GHashFunc) gtk_gc_drawable_hash,
|
|
(GEqualFunc) gtk_gc_drawable_equal,
|
|
NULL, free_gc_drawable);
|
|
g_object_set_qdata_full (G_OBJECT (screen),
|
|
quark_gtk_gc_drawable_ht, ht,
|
|
(GDestroyNotify)g_hash_table_destroy);
|
|
}
|
|
|
|
return ht;
|
|
}
|
|
|
|
static void
|
|
gtk_gc_init (void)
|
|
{
|
|
initialize = FALSE;
|
|
|
|
quark_gtk_gc_drawable_ht = g_quark_from_static_string ("gtk-gc-drawable-ht");
|
|
|
|
gc_cache = g_cache_new ((GCacheNewFunc) gtk_gc_new,
|
|
(GCacheDestroyFunc) gtk_gc_destroy,
|
|
(GCacheDupFunc) gtk_gc_key_dup,
|
|
(GCacheDestroyFunc) gtk_gc_key_destroy,
|
|
(GHashFunc) gtk_gc_key_hash,
|
|
(GHashFunc) gtk_gc_value_hash,
|
|
(GEqualFunc) gtk_gc_key_equal);
|
|
}
|
|
|
|
static GtkGCKey*
|
|
gtk_gc_key_dup (GtkGCKey *key)
|
|
{
|
|
GtkGCKey *new_key;
|
|
|
|
new_key = g_slice_new (GtkGCKey);
|
|
|
|
*new_key = *key;
|
|
|
|
return new_key;
|
|
}
|
|
|
|
static void
|
|
gtk_gc_key_destroy (GtkGCKey *key)
|
|
{
|
|
g_slice_free (GtkGCKey, key);
|
|
}
|
|
|
|
static gpointer
|
|
gtk_gc_new (gpointer key)
|
|
{
|
|
GtkGCKey *keyval;
|
|
GtkGCDrawable *drawable;
|
|
GdkGC *gc;
|
|
GHashTable *ht;
|
|
GdkScreen *screen;
|
|
|
|
keyval = key;
|
|
screen = gdk_colormap_get_screen (keyval->colormap);
|
|
|
|
ht = gtk_gc_get_drawable_ht (screen);
|
|
drawable = g_hash_table_lookup (ht, &keyval->depth);
|
|
if (!drawable)
|
|
{
|
|
drawable = g_slice_new (GtkGCDrawable);
|
|
drawable->depth = keyval->depth;
|
|
drawable->drawable = gdk_pixmap_new (gdk_screen_get_root_window (screen),
|
|
1, 1, drawable->depth);
|
|
g_hash_table_insert (ht, &drawable->depth, drawable);
|
|
}
|
|
|
|
gc = gdk_gc_new_with_values (drawable->drawable, &keyval->values, keyval->mask);
|
|
gdk_gc_set_colormap (gc, keyval->colormap);
|
|
|
|
return (gpointer) gc;
|
|
}
|
|
|
|
static void
|
|
gtk_gc_destroy (gpointer value)
|
|
{
|
|
g_object_unref (value);
|
|
}
|
|
|
|
static guint
|
|
gtk_gc_key_hash (gpointer key)
|
|
{
|
|
GtkGCKey *keyval;
|
|
guint hash_val;
|
|
|
|
keyval = key;
|
|
hash_val = 0;
|
|
|
|
if (keyval->mask & GDK_GC_FOREGROUND)
|
|
{
|
|
hash_val += keyval->values.foreground.pixel;
|
|
}
|
|
if (keyval->mask & GDK_GC_BACKGROUND)
|
|
{
|
|
hash_val += keyval->values.background.pixel;
|
|
}
|
|
if (keyval->mask & GDK_GC_FUNCTION)
|
|
{
|
|
hash_val += (gint) keyval->values.function;
|
|
}
|
|
if (keyval->mask & GDK_GC_FILL)
|
|
{
|
|
hash_val += (gint) keyval->values.fill;
|
|
}
|
|
if (keyval->mask & GDK_GC_TILE)
|
|
{
|
|
hash_val += (gintptr) keyval->values.tile;
|
|
}
|
|
if (keyval->mask & GDK_GC_STIPPLE)
|
|
{
|
|
hash_val += (gintptr) keyval->values.stipple;
|
|
}
|
|
if (keyval->mask & GDK_GC_CLIP_MASK)
|
|
{
|
|
hash_val += (gintptr) keyval->values.clip_mask;
|
|
}
|
|
if (keyval->mask & GDK_GC_SUBWINDOW)
|
|
{
|
|
hash_val += (gint) keyval->values.subwindow_mode;
|
|
}
|
|
if (keyval->mask & GDK_GC_TS_X_ORIGIN)
|
|
{
|
|
hash_val += (gint) keyval->values.ts_x_origin;
|
|
}
|
|
if (keyval->mask & GDK_GC_TS_Y_ORIGIN)
|
|
{
|
|
hash_val += (gint) keyval->values.ts_y_origin;
|
|
}
|
|
if (keyval->mask & GDK_GC_CLIP_X_ORIGIN)
|
|
{
|
|
hash_val += (gint) keyval->values.clip_x_origin;
|
|
}
|
|
if (keyval->mask & GDK_GC_CLIP_Y_ORIGIN)
|
|
{
|
|
hash_val += (gint) keyval->values.clip_y_origin;
|
|
}
|
|
if (keyval->mask & GDK_GC_EXPOSURES)
|
|
{
|
|
hash_val += (gint) keyval->values.graphics_exposures;
|
|
}
|
|
if (keyval->mask & GDK_GC_LINE_WIDTH)
|
|
{
|
|
hash_val += (gint) keyval->values.line_width;
|
|
}
|
|
if (keyval->mask & GDK_GC_LINE_STYLE)
|
|
{
|
|
hash_val += (gint) keyval->values.line_style;
|
|
}
|
|
if (keyval->mask & GDK_GC_CAP_STYLE)
|
|
{
|
|
hash_val += (gint) keyval->values.cap_style;
|
|
}
|
|
if (keyval->mask & GDK_GC_JOIN_STYLE)
|
|
{
|
|
hash_val += (gint) keyval->values.join_style;
|
|
}
|
|
|
|
return hash_val;
|
|
}
|
|
|
|
static guint
|
|
gtk_gc_value_hash (gpointer value)
|
|
{
|
|
return (gulong) value;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_gc_key_equal (gpointer a,
|
|
gpointer b)
|
|
{
|
|
GtkGCKey *akey;
|
|
GtkGCKey *bkey;
|
|
GdkGCValues *avalues;
|
|
GdkGCValues *bvalues;
|
|
|
|
akey = a;
|
|
bkey = b;
|
|
|
|
avalues = &akey->values;
|
|
bvalues = &bkey->values;
|
|
|
|
if (akey->mask != bkey->mask)
|
|
return FALSE;
|
|
|
|
if (akey->depth != bkey->depth)
|
|
return FALSE;
|
|
|
|
if (akey->colormap != bkey->colormap)
|
|
return FALSE;
|
|
|
|
if (akey->mask & GDK_GC_FOREGROUND)
|
|
{
|
|
if (avalues->foreground.pixel != bvalues->foreground.pixel)
|
|
return FALSE;
|
|
}
|
|
if (akey->mask & GDK_GC_BACKGROUND)
|
|
{
|
|
if (avalues->background.pixel != bvalues->background.pixel)
|
|
return FALSE;
|
|
}
|
|
if (akey->mask & GDK_GC_FUNCTION)
|
|
{
|
|
if (avalues->function != bvalues->function)
|
|
return FALSE;
|
|
}
|
|
if (akey->mask & GDK_GC_FILL)
|
|
{
|
|
if (avalues->fill != bvalues->fill)
|
|
return FALSE;
|
|
}
|
|
if (akey->mask & GDK_GC_TILE)
|
|
{
|
|
if (avalues->tile != bvalues->tile)
|
|
return FALSE;
|
|
}
|
|
if (akey->mask & GDK_GC_STIPPLE)
|
|
{
|
|
if (avalues->stipple != bvalues->stipple)
|
|
return FALSE;
|
|
}
|
|
if (akey->mask & GDK_GC_CLIP_MASK)
|
|
{
|
|
if (avalues->clip_mask != bvalues->clip_mask)
|
|
return FALSE;
|
|
}
|
|
if (akey->mask & GDK_GC_SUBWINDOW)
|
|
{
|
|
if (avalues->subwindow_mode != bvalues->subwindow_mode)
|
|
return FALSE;
|
|
}
|
|
if (akey->mask & GDK_GC_TS_X_ORIGIN)
|
|
{
|
|
if (avalues->ts_x_origin != bvalues->ts_x_origin)
|
|
return FALSE;
|
|
}
|
|
if (akey->mask & GDK_GC_TS_Y_ORIGIN)
|
|
{
|
|
if (avalues->ts_y_origin != bvalues->ts_y_origin)
|
|
return FALSE;
|
|
}
|
|
if (akey->mask & GDK_GC_CLIP_X_ORIGIN)
|
|
{
|
|
if (avalues->clip_x_origin != bvalues->clip_x_origin)
|
|
return FALSE;
|
|
}
|
|
if (akey->mask & GDK_GC_CLIP_Y_ORIGIN)
|
|
{
|
|
if (avalues->clip_y_origin != bvalues->clip_y_origin)
|
|
return FALSE;
|
|
}
|
|
if (akey->mask & GDK_GC_EXPOSURES)
|
|
{
|
|
if (avalues->graphics_exposures != bvalues->graphics_exposures)
|
|
return FALSE;
|
|
}
|
|
if (akey->mask & GDK_GC_LINE_WIDTH)
|
|
{
|
|
if (avalues->line_width != bvalues->line_width)
|
|
return FALSE;
|
|
}
|
|
if (akey->mask & GDK_GC_LINE_STYLE)
|
|
{
|
|
if (avalues->line_style != bvalues->line_style)
|
|
return FALSE;
|
|
}
|
|
if (akey->mask & GDK_GC_CAP_STYLE)
|
|
{
|
|
if (avalues->cap_style != bvalues->cap_style)
|
|
return FALSE;
|
|
}
|
|
if (akey->mask & GDK_GC_JOIN_STYLE)
|
|
{
|
|
if (avalues->join_style != bvalues->join_style)
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static guint
|
|
gtk_gc_drawable_hash (GtkGCDrawable *d)
|
|
{
|
|
return d->depth;
|
|
}
|
|
|
|
static gboolean
|
|
gtk_gc_drawable_equal (GtkGCDrawable *a,
|
|
GtkGCDrawable *b)
|
|
{
|
|
return (a->depth == b->depth);
|
|
}
|