Initial version rendering 2D path for O3D. This will eventually allow O3D app...

core/cross/cairo/image_2d.cc

+/*
+ * 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.
+ */
+
+
+#include "core/cross/cairo/image_2d.h"
+#include "core/cross/error.h"
+#include "core/cross/renderer.h"
+#include "core/cross/cairo/renderer_cairo.h"
+#include "core/cross/cairo/texture_cairo.h"
+
+namespace o3d {
+
+O3D_DEFN_CLASS(Image2D, ParamObject);
+
+Image2D::Image2D(ServiceLocator* service_locator)
+    : ParamObject(service_locator), texture_(NULL),
+      param_cache_manager_(service_locator->GetService<Renderer>()),
+      weak_pointer_manager_(this) {
+  // TODO(fransiskusx): better format
+  src_data_ = NULL;
+  src_pitch_ = 0;
+  src_width_ = 0;
+  src_height_ = 0;
+  dest_x_ = 0;
+  dest_y_ = 0;
+  alpha_ = 0;
+  scale_x_ = 0;
+  scale_y_ = 0;
+  translate_x_ = 0;
+  translate_y_ = 0;
+}
+
+void Image2D::updateTextureResource() {
+  TextureResource* resource = texture_->GetResource();
+  src_data_ = resource->data;
+  dest_x_ = resource->left;
+  dest_y_ = resource->top;
+  src_width_ = resource->width;
+  src_height_ = resource->height;
+  src_pitch_ = resource->pitch;
+}
+
+ObjectBase::Ref Image2D::Create(ServiceLocator* service_locator) {
+  Renderer* renderer = service_locator->GetService<Renderer>();
+  if (NULL == renderer) {
+    O3D_ERROR(service_locator) << "No Render Device Available";
+    return ObjectBase::Ref();
+  }
+
+  Image2D* image = new Image2D(service_locator);
+
+  RendererCairo* renderer2d = down_cast<RendererCairo*>(renderer);
+  renderer2d->AddImage2D(image);
+
+  return ObjectBase::Ref(image);
+}
+
+}  // namespace o3d
+