fresh start

1 files changed, 67 insertions, 0 deletions

diff --git a/common/canvas_utils.h b/common/canvas_utils.h
new file mode 100644
index 00000000..8ccc3044
--- /dev/null
+++ b/common/canvas_utils.h
@@ -0,0 +1,67 @@
+/*
+   Copyright (C) 2009 Red Hat, Inc.
+
+   This program 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 of
+   the License, or (at your option) any later version.
+
+   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _H_CANVAS_UTILS
+#define _H_CANVAS_UTILS
+
+#ifdef __GNUC__
+#include <stdint.h>
+#else
+#include <stddef.h>
+#include <basetsd.h>
+typedef UINT8 uint8_t;
+#endif  //__GNUC__
+
+#include "cairo.h"
+#include "lz.h"
+
+#ifdef WIN32
+typedef struct BitmapCache {
+    HBITMAP bitmap;
+    HANDLE mutex;
+} BitmapCache;
+#endif
+
+extern const cairo_user_data_key_t bitmap_data_type;
+
+#ifdef WIN32
+cairo_surface_t *surface_create(HDC dc, cairo_format_t format,
+                                int width, int height, int top_down);
+#else
+cairo_surface_t *surface_create(cairo_format_t format, int width, int height, int top_down);
+#endif
+
+#ifdef WIN32
+cairo_surface_t *surface_create_stride(HDC dc, cairo_format_t format, int width, int height,
+                                       int stride);
+#else
+cairo_surface_t *surface_create_stride(cairo_format_t format, int width, int height,
+                                       int stride);
+#endif
+
+
+typedef struct LzDecodeUsrData {
+#ifdef WIN32
+    HDC dc;
+#endif
+    cairo_surface_t       *out_surface;
+} LzDecodeUsrData;
+
+
+cairo_surface_t *alloc_lz_image_surface(LzDecodeUsrData *canvas_data, LzImageType type, int width,
+                                        int height, int gross_pixels, int top_down);
+#endif