Fix build broken by commit a935f3ab6c983de3ac7e37e63a9a3905e0e9009f

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / public-api / shader-effects / spot-effect.h

diff --git a/dali-toolkit/public-api/shader-effects/spot-effect.h b/dali-toolkit/public-api/shader-effects/spot-effect.h
index 3b5efd7..c41e0f4 100644 (file)
--- a/dali-toolkit/public-api/shader-effects/spot-effect.h
+++ b/dali-toolkit/public-api/shader-effects/spot-effect.h
@@ -1,83 +1,83 @@
 #ifndef __DALI_TOOLKIT_SHADER_EFFECT_SPOT_H__
 #define __DALI_TOOLKIT_SHADER_EFFECT_SPOT_H__
 
-//
-// Copyright (c) 2014 Samsung Electronics Co., Ltd.
-//
-// Licensed under the Flora License, Version 1.0 (the License);
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://floralicense.org/license/
-//
-// 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.
-//
+/*
+ * 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.
+ *
+ */
 
-// INTERNAL INCLUDES
-#include <dali/dali.h>
+// EXTERNAL INCLUDES
+#include <dali/public-api/shader-effects/shader-effect.h>
 
-namespace Dali DALI_IMPORT_API
+namespace Dali
 {
 
 namespace Toolkit
 {
 
 /**
- * SpotEffect2D is a custom shader effect to achieve spot effects on Image actors
+ * @brief Creates a new SpotEffect
+ *
+ * SpotEffect is a custom shader effect to achieve spot effects on Image actors
+ *
+ * Animatable/Constrainable uniforms:
+ *  "uCenter" - The center of the spot. Default value (0.0,0.0)
+ *  "uRadius" - The radius of the spot. Default value 0.0
+ *
+ * @return A handle to a newly allocated ShaderEffect
  */
-class SpotEffect : public ShaderEffect
+inline ShaderEffect CreateSpotEffect()
 {
-public:
-
-  /**
-   * Create an uninitialized SpotEffect; this can be initialized with SpotEffect::New()
-   * Calling member functions with an uninitialized Dali::Object is not allowed.
-   */
-  SpotEffect();
-
-  /**
-   * Virtual destructor.
-   */
-  virtual ~SpotEffect();
-
-  /**
-   * Create an initialized SpotEffect.
-   * @return A handle to a newly allocated Dali resource.
-   */
-  static SpotEffect New();
-
-  /**
-   * Set the center of the spot.
-   * @param[in] center The center in Vector2.
-   */
-  void SetCenter(const Vector2& center);
-
-  /**
-   * Set the radius of the spot.
-   * @param[in] radius The radius in float.
-   */
-  void SetRadius(float radius);
-
-  /**
-   * Get the name for the center property
-   * @return A std::string containing the property name
-   */
-  const std::string& GetCenterPropertyName() const;
-
-  /**
-   * Get the name for the radius property
-   * @return A std::string containing the property name
-   */
-  const std::string& GetRadiusPropertyName() const;
-
-private:
-  SpotEffect(ShaderEffect handle);
-
-};
+  // append the default version
+  std::string vertexShader(
+      "uniform mediump   vec2  uCenter;\n"
+      "uniform mediump   float  uRadius;\n"
+      "varying mediump   float  vRange;\n"
+      "\n"
+      "void main()\n"
+      "{\n"
+      "  mediump vec4 world = vec4(aPosition, 1.0);\n"
+      "  \n"
+      "  mediump vec2 d = vec2(world.xy - uCenter);\n"
+      "  mediump float dist = length(d);\n"
+      "  \n"
+      "  mediump float range = (uRadius - dist) / (uRadius);\n"
+      "  vRange = max(0.1, range);\n"
+      "  \n"
+      "  gl_Position = uMvpMatrix * world;\n"
+      "  vTexCoord = aTexCoord;\n"
+      "}");
+
+  std::string fragmentShader(
+      "varying mediump   float  vRange;\n"
+      "\n"
+      "void main()\n"
+      "{\n"
+      "  gl_FragColor = texture2D(sTexture, vTexCoord) * vec4(vRange, vRange, vRange, 1.0) * uColor;\n"
+      "}" );
+
+  Dali::ShaderEffect shaderEffect =  Dali::ShaderEffect::New(
+      vertexShader, fragmentShader,
+      Dali::GeometryType( GEOMETRY_TYPE_IMAGE ),
+      ShaderEffect::GeometryHints( ShaderEffect::HINT_GRID ));
+
+  shaderEffect.SetUniform( "uCenter", Vector2(0.0f, 0.0f) );
+  shaderEffect.SetUniform( "uRadius", 0.0f );
+
+  return shaderEffect;
+}
 
 } // namespace Toolkit