#ifndef __DALI_TOOLKIT_SHADER_EFFECT_SQUARE_H__
#define __DALI_TOOLKIT_SHADER_EFFECT_SQUARE_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
{
/**
+ * @brief Creates a new SquareDissolveEffect
+ *
* SquareDissolveEffect is a custom shader effect to achieve square effects in Image actors
+ *
+ * Animatable/Constrainable uniforms:
+ * "uStep" - The step of the square effect
+ * "uRows" - The rows of the square dissolve effect
+ * "uColumns" - The columns of the square dissolve effect
+ * "uTextureSize"- The texture size of the square dissolve
+ *
+ * @return A handle to a newly allocated ShaderEffect
*/
-class SquareDissolveEffect : public ShaderEffect
+inline ShaderEffect CreateSquareDissolveEffect()
{
-public:
-
- /**
- * Create an uninitialized SquareDissolveEffect; this can be initialized with BendyEffect::New()
- * Calling member functions with an uninitialized Dali::Object is not allowed.
- */
- SquareDissolveEffect();
-
- /**
- * Virtual destructor.
- */
- virtual ~SquareDissolveEffect();
-
- /**
- * Create an initialized SquareDissolveEffect.
- * @return A handle to a newly allocated Dali resource.
- */
- static SquareDissolveEffect New();
-
- /**
- * Set the step of the square effect.
- * @param [in] step the new step.
- */
- void SetStep(float step);
-
- /**
- * Set the rows of the square dissolve effect.
- * @param [in] rows the new rows value.
- */
- void SetRows(float rows);
-
- /**
- * Set the columns of the square dissolve effect.
- * @param [in] columns the new columns value.
- */
- void SetColumns(float columns);
-
- /**
- * Set the texture size of the square dissolve.
- * @param[in] textureSize The texture size in Vector2.
- */
- void SetTextureSize(const Vector2& textureSize);
-
- /**
- * Get the name for the step property
- * which can be used in Animation API's
- * @return A std::string containing the property name
- */
- const std::string& GetStepPropertyName() const;
-
- /**
- * Get the name for the rows property
- * which can be used in Animation API's
- * @return A std::string containing the property name
- */
- const std::string& GetRowsPropertyName() const;
-
- /**
- * Get the name for the columns property
- * which can be used in Animation API's
- * @return A std::string containing the property name
- */
- const std::string& GetColumnsPropertyName() const;
-
- /**
- * Get the name for the texSize property
- * which can be used in Animation API's
- * @return A std::string containing the property name
- */
- const std::string& GetTexSizePropertyName() const;
-
-private: // Not intended for application developers
- SquareDissolveEffect(ShaderEffect handle);
-};
+ // variable "uStep" range scope : [0.0, 1.0]
+ std::string fragmentShader(
+ "uniform mediump vec2 uTextureSize;\n"
+ "uniform mediump float uStep;\n"
+ "uniform mediump float uRows;\n"
+ "uniform mediump float uColumns;\n"
+ "void main()\n"
+ "{\n"
+ " mediump vec2 mosaicSize = vec2(1.0 / uRows, 1.0 / uColumns); \n"
+ " mediump vec2 intXY = vec2(vTexCoord.x * uTextureSize.x, vTexCoord.y * uTextureSize.y); \n"
+ " mediump vec2 XYMosaic = vec2(floor(intXY.x / mosaicSize.x) * mosaicSize.x, floor(intXY.y / mosaicSize.y) * mosaicSize.y); \n"
+ " mediump vec2 UVMosaic = vec2(XYMosaic.x /uTextureSize.x, XYMosaic.y / uTextureSize.y); \n"
+ " mediump vec4 noiseVec = texture2D(sEffect, UVMosaic); \n"
+ " mediump float intensity = (noiseVec[0] + noiseVec[1] + noiseVec[2] + noiseVec[3]) / 4.0; \n"
+ " if(intensity < uStep) \n"
+ " gl_FragColor = vec4(0.1, 0.1, 0.1, 1.0); \n"
+ " else \n"
+ " gl_FragColor = texture2D(sTexture, vTexCoord); \n"
+ " gl_FragColor *= uColor; \n"
+ "} \n" );
+
+ Dali::ShaderEffect shaderEffect = Dali::ShaderEffect::New(
+ "",
+ fragmentShader,
+ GeometryType( GEOMETRY_TYPE_IMAGE ),
+ ShaderEffect::GeometryHints( ShaderEffect::HINT_BLENDING | ShaderEffect::HINT_GRID ));
+
+ shaderEffect.SetUniform( "uTextureSize", Vector2(1.0f, 1.0f) );//COORDINATE_TYPE_DEFAULT
+ shaderEffect.SetUniform( "uStep", 0.1f);
+ shaderEffect.SetUniform( "uRows", 25.0f);
+ shaderEffect.SetUniform( "uColumns", 25.0f);
+
+ return shaderEffect;
+}
} // namespace Toolkit
projects / platform / core / uifw / dali-toolkit.git / blobdiff