+/*
+ * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include <dali-toolkit/dali-toolkit.h>
+#include <dali-toolkit/devel-api/controls/renderer-factory/renderer-factory.h>
+#include <dali-toolkit/devel-api/controls/renderer-factory/control-renderer.h>
+#include "shared/view.h"
+
+using namespace Dali;
+using namespace Dali::Toolkit;
+
+namespace
+{
+const char * const APPLICATION_TITLE( "Color Gradients" );
+
+const char * const TOOLBAR_IMAGE( DALI_IMAGE_DIR "top-bar.png" );
+const char * const CHANGE_ICON( DALI_IMAGE_DIR "icon-change.png" );
+const char * const CHANGE_ICON_SELECTED( DALI_IMAGE_DIR "icon-change-selected.png" );
+}
+
+// This example shows how to render color gradients
+//
+class GradientController : public ConnectionTracker
+{
+public:
+
+ GradientController( Application& application )
+ : mApplication( application ),
+ mIndex( 0 )
+ {
+ // Connect to the Application's Init signal
+ mApplication.InitSignal().Connect( this, &GradientController::Create );
+ }
+
+ ~GradientController()
+ {
+ // Nothing to do here;
+ }
+
+ // The Init signal is received once (only) during the Application lifetime
+ void Create( Application& application )
+ {
+ // Get a handle to the stage
+ Stage stage = Stage::GetCurrent();
+ stage.KeyEventSignal().Connect(this, &GradientController::OnKeyEvent);
+
+ // Creates a default view with a default tool bar.
+ // The view is added to the stage.
+ Toolkit::ToolBar toolBar;
+ Layer content = DemoHelper::CreateView( application,
+ mView,
+ toolBar,
+ "",
+ TOOLBAR_IMAGE,
+ APPLICATION_TITLE );
+
+ PushButton changeButton = Toolkit::PushButton::New();
+ changeButton.SetUnselectedImage( CHANGE_ICON );
+ changeButton.SetSelectedImage( CHANGE_ICON_SELECTED );
+ changeButton.ClickedSignal().Connect( this, &GradientController::OnChangeIconClicked );
+ toolBar.AddControl( changeButton,
+ DemoHelper::DEFAULT_VIEW_STYLE.mToolBarButtonPercentage,
+ Toolkit::Alignment::HorizontalRight,
+ DemoHelper::DEFAULT_MODE_SWITCH_PADDING );
+
+// ---- Gradient for background
+
+ mGradientMap.Insert("renderer-type", "gradient-renderer");
+ Property::Array stopOffsets;
+ stopOffsets.PushBack( 0.0f );
+ stopOffsets.PushBack( 0.3f );
+ stopOffsets.PushBack( 0.6f );
+ stopOffsets.PushBack( 0.8f );
+ stopOffsets.PushBack( 1.f );
+ mGradientMap.Insert("gradient-stop-offset", stopOffsets);
+ Property::Array stopColors;
+ stopColors.PushBack( Vector4( 129.f, 198.f, 193.f, 255.f )/255.f );
+ stopColors.PushBack( Vector4( 196.f, 198.f, 71.f, 122.f )/255.f );
+ stopColors.PushBack( Vector4( 214.f, 37.f, 139.f, 191.f )/255.f );
+ stopColors.PushBack( Vector4( 129.f, 198.f, 193.f, 150.f )/255.f );
+ stopColors.PushBack( Color::YELLOW );
+ mGradientMap.Insert("gradient-stop-color", stopColors);
+
+ OnChangeIconClicked( changeButton );
+ }
+
+ bool OnChangeIconClicked( Toolkit::Button button )
+ {
+ Property::Map gradientMap;
+
+ switch( mIndex%4 )
+ {
+ case 0: // linear gradient with units as objectBoundingBox
+ {
+ gradientMap.Insert("gradient-start-position", Vector2( 0.5f, 0.5f ));
+ gradientMap.Insert("gradient-end-position", Vector2( -0.5f, -0.5f ));
+ break;
+ }
+ case 1: // linear gradient with units as userSpaceOnUse
+ {
+ Vector2 halfStageSize = Stage::GetCurrent().GetSize()*0.5f;
+ gradientMap.Insert("gradient-start-position", halfStageSize);
+ gradientMap.Insert("gradient-end-position", -halfStageSize );
+ gradientMap.Insert("gradient-units", "user-space");
+ break;
+ }
+ case 2: // radial gradient with units as objectBoundingBox
+ {
+ gradientMap.Insert("gradient-center", Vector2(0.5f, 0.5f));
+ gradientMap.Insert("gradient-radius", 1.414f);
+ break;
+ }
+ default: // radial gradient with units as userSpaceOnUse
+ {
+ Vector2 stageSize = Stage::GetCurrent().GetSize();
+ gradientMap.Insert("gradient-center", stageSize*0.5f);
+ gradientMap.Insert("gradient-radius", stageSize.Length());
+ gradientMap.Insert("gradient-units", "user-space");
+ break;
+ }
+ }
+
+ gradientMap.Merge( mGradientMap );
+ mView.SetProperty( Control::Property::BACKGROUND, gradientMap );
+
+ mIndex++;
+ return true;
+ }
+
+ bool OnTouch( Actor actor, const TouchEvent& touch )
+ {
+ // quit the application
+ mApplication.Quit();
+ return true;
+ }
+
+ void OnKeyEvent(const KeyEvent& event)
+ {
+ if(event.state == KeyEvent::Down)
+ {
+ if( IsKey( event, Dali::DALI_KEY_ESCAPE) || IsKey( event, Dali::DALI_KEY_BACK) )
+ {
+ mApplication.Quit();
+ }
+ }
+ }
+
+private:
+ Application& mApplication;
+
+ Property::Map mGradientMap;
+ Control mView;
+ unsigned mIndex;
+};
+
+void RunTest( Application& application )
+{
+ GradientController test( application );
+
+ application.MainLoop();
+}
+
+// Entry point for Linux & Tizen applications
+//
+int main( int argc, char **argv )
+{
+ Application application = Application::New( &argc, &argv );
+
+ RunTest( application );
+
+ return 0;
+}
projects / platform / core / uifw / dali-demo.git / commitdiff