diff options
Diffstat (limited to 'libjava/classpath/native/jni/gtk-peer/gtkcairopeer.h')
-rw-r--r-- | libjava/classpath/native/jni/gtk-peer/gtkcairopeer.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/libjava/classpath/native/jni/gtk-peer/gtkcairopeer.h b/libjava/classpath/native/jni/gtk-peer/gtkcairopeer.h new file mode 100644 index 0000000..dee843c --- /dev/null +++ b/libjava/classpath/native/jni/gtk-peer/gtkcairopeer.h @@ -0,0 +1,93 @@ +#ifndef __GTKCAIROPEER_H__ +#define __GTKCAIROPEER_H__ + +/* gtkcairopeer.h -- Some global variables and #defines + Copyright (C) 1998, 1999 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +#include "gtkpeer.h" +#include <cairo.h> +#include <gdk-pixbuf/gdk-pixbuf.h> + +/* + A graphics2d struct is both simpler and uglier than a graphics + struct. + + Most of the graphics2d drawing state is held in the referenced cairo_t + and corresponding cairo_surface_t, so we can ignore it. + + In addition to the cairo_t, we need to hold an extra reference to the + underlying GdkDrawable so its refcount matches the lifecycle of the java + Graphics object which is peering with us; also a reference to a byte + buffer and cairo_surface_t which contain the pattern you're drawing from + (if it exists). + + Finally, it is possible that we are using a non-RENDER capable X server, + therefore we will be drawing to an cairo_surface_t which is actually a + pixbuf. When this is the case, the pointer to a GdkPixbuf will be + non-NULL and any drawing operation needs to be bracketed by pixbuf + load/save operations. If the GdkPixbuf pointer is NULL, we will treat + the cairo_surface_t as RENDER-capable. + */ + +struct graphics2d +{ + cairo_t *cr; + cairo_surface_t *surface; + GdkDrawable *drawable; + GdkWindow *win; + GdkPixbuf *drawbuf; + char *pattern_pixels; + cairo_surface_t *pattern_surface; + cairo_pattern_t *pattern; + gboolean debug; + enum + { + MODE_DRAWABLE_WITH_RENDER, + MODE_DRAWABLE_NO_RENDER, + MODE_JAVA_ARRAY + } + mode; + + /* Support for MODE_JAVA_ARRAY */ + jintArray jarray; + jint width, height; + jint *javabuf; + jint *javabuf_copy; + jboolean isCopy; +}; + +#endif /* __GTKCAIROPEER_H */ |