O2D:...

core/cross/cairo/pattern.h

+/*
+ * Copyright 2010, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+// A Pattern is a container for pixel content for painting to a Layer.
+
+#ifndef O3D_CORE_CROSS_CAIRO_PATTERN_H_
+#define O3D_CORE_CROSS_CAIRO_PATTERN_H_
+
+#include "core/cross/object_base.h"
+
+typedef struct _cairo_pattern cairo_pattern_t;
+
+namespace o3d {
+
+class Pack;
+class Texture;
+
+namespace o2d {
+
+class Pattern : public ObjectBase {
+ public:
+  typedef SmartPointer<Pattern> Ref;
+
+  // Create a pattern that paints the content of a texture.
+  static Pattern* CreateTexturePattern(Pack* pack, Texture* texture);
+
+  // Create a pattern that paints a solid colour.
+  static Pattern* CreateRgbPattern(Pack* pack,
+                                   double red,
+                                   double green,
+                                   double blue);
+
+  // Create a pattern that paints a solid colour with transparency.
+  static Pattern* CreateRgbaPattern(Pack* pack,
+                                    double red,
+                                    double green,
+                                    double blue,
+                                    double alpha);
+
+  virtual ~Pattern();
+
+  cairo_pattern_t* pattern() const { return pattern_; }
+
+ private:
+  Pattern(ServiceLocator* service_locator, cairo_pattern_t* pattern);
+
+  static Pattern* WrapCairoPattern(Pack* pack, cairo_pattern_t* pattern);
+
+  cairo_pattern_t* pattern_;
+
+  O3D_DECL_CLASS(Pattern, ObjectBase)
+};  // Pattern
+
+}  // namespace o2d
+
+}  // namespace o3d
+
+#endif  // O3D_CORE_CROSS_CAIRO_PATTERN_H_