[dali_2.3.20] Merge branch 'devel/master'

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / devel-api / shader-effects / distance-field-effect.h

diff --git a/dali-toolkit/devel-api/shader-effects/distance-field-effect.h b/dali-toolkit/devel-api/shader-effects/distance-field-effect.h
index d495030..2a233f3 100644 (file)
--- a/dali-toolkit/devel-api/shader-effects/distance-field-effect.h
+++ b/dali-toolkit/devel-api/shader-effects/distance-field-effect.h
@@ -1,8 +1,8 @@
-#ifndef __DALI_TOOLKIT_SHADER_EFFECT_DISTANCEFIELD_H__
-#define __DALI_TOOLKIT_SHADER_EFFECT_DISTANCEFIELD_H__
+#ifndef DALI_TOOLKIT_SHADER_EFFECT_DISTANCEFIELD_H
+#define DALI_TOOLKIT_SHADER_EFFECT_DISTANCEFIELD_H
 
 /*
- * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2021 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.
@@ -18,16 +18,16 @@
  *
  */
 
+// INTERNAL INCLUDES
+#include <dali-toolkit/public-api/dali-toolkit-common.h>
+
 // EXTERNAL INCLUDES
-#include <string.h>
-#include <dali/public-api/shader-effects/shader-effect.h>
+#include <dali/public-api/object/property-map.h>
 
 namespace Dali
 {
-
 namespace Toolkit
 {
-
 /**
  * Creates a new DistanceFieldEffect
  *
@@ -51,130 +51,10 @@ namespace Toolkit
  *
  *  @return The newly created Property::Map with the distance field effect
  */
-inline Dali::Property::Map CreateDistanceFieldEffect()
-{
-  const char* fragmentShaderPrefix( "#extension GL_OES_standard_derivatives : enable\n" );
-
-  const char* fragmentShader( DALI_COMPOSE_SHADER(
-      varying mediump vec2 vTexCoord;\n
-      \n
-      uniform mediump float uGlowBoundary;\n
-      uniform mediump vec2  uOutlineParams;\n
-      uniform lowp    vec4  uOutlineColor;\n
-      uniform lowp    vec4  uShadowColor;\n
-      uniform mediump vec2  uShadowOffset;\n
-      uniform lowp    vec4  uGlowColor;\n
-      uniform lowp    float uDoOutline;\n
-      uniform lowp    float uDoShadow;\n
-      uniform lowp    float uDoGlow;\n
-      \n
-      uniform sampler2D sTexture;\n
-      uniform lowp vec4 uColor;\n
-      \n
-      void main()\n
-      {\n
-        // sample distance field\n
-        mediump float smoothing = 0.5;\n
-
-        mediump float distance = texture2D(sTexture, vTexCoord).a;\n
-        mediump float smoothWidth = fwidth(distance);\n
-        mediump float alphaFactor = smoothstep(smoothing - smoothWidth, smoothing + smoothWidth, distance);\n
-        lowp    vec4  color;\n
-        if (uDoShadow == 0.0)\n
-        {\n
-          mediump float alpha = uColor.a * alphaFactor;\n
-          lowp    vec4  rgb = uColor;\n
-          \n
-          if (uDoOutline > 0.0)\n
-          {\n
-            mediump float outlineWidth = uOutlineParams[1] + smoothWidth;\n
-            mediump float outlineBlend = smoothstep(uOutlineParams[0] - outlineWidth, uOutlineParams[0] + outlineWidth, distance);\n
-            alpha = smoothstep(smoothing - smoothWidth, smoothing + smoothWidth, distance);\n
-            rgb = mix(uOutlineColor, uColor, outlineBlend);\n
-          }\n
-          \n
-          if (uDoGlow > 0.0)\n
-          {\n
-            rgb = mix(uGlowColor, rgb, alphaFactor);\n
-            alpha = smoothstep(uGlowBoundary, smoothing, distance);\n
-          }\n
-          \n
-          // set fragment color\n
-          color = vec4(rgb.rgb, alpha);\n
-        }\n
-        \n
-        else // (uDoShadow > 0.0)\n
-        {\n
-          mediump float shadowDistance = texture2D(sTexture, vTexCoord - uShadowOffset).a;\n
-          mediump float inText = alphaFactor;\n
-          mediump float inShadow = smoothstep(smoothing - smoothWidth, smoothing + smoothWidth, shadowDistance);\n
-          \n
-          // inside object, outside shadow\n
-          if (inText == 1.0)\n
-          {\n
-            color = uColor;\n
-          }\n
-          // inside object, outside shadow\n
-          else if ((inText != 0.0) && (inShadow == 0.0))\n
-          {\n
-            color = uColor;\n
-            color.a *= inText;\n
-          }\n
-          // outside object, completely inside shadow\n
-          else if ((inText == 0.0) && (inShadow == 1.0))\n
-          {\n
-            color = uShadowColor;\n
-          }\n
-          // inside object, completely inside shadow\n
-          else if ((inText != 0.0) && (inShadow == 1.0))\n
-          {\n
-            color = mix(uShadowColor, uColor, inText);\n
-            color.a = uShadowColor.a;\n
-          }\n
-          // inside object, inside shadow's border\n
-          else if ((inText != 0.0) && (inShadow != 0.0))\n
-          {\n
-            color = mix(uShadowColor, uColor, inText);\n
-            color.a *= max(inText, inShadow);\n
-          }\n
-          // inside shadow's border\n
-          else if (inShadow != 0.0)\n
-          {\n
-            color = uShadowColor;\n
-            color.a *= inShadow;\n
-          }\n
-          // outside shadow and object\n
-          else \n
-          {\n
-            color.a = 0.0;\n
-          }\n
-          \n
-        }\n
-        \n
-        gl_FragColor = color;\n
-        \n
-      } )
-  );
-
-  Property::Map map;
-
-  Property::Map customShader;
-
-  std::string fragmentShaderString;
-  fragmentShaderString.reserve( strlen( fragmentShaderPrefix ) + strlen( fragmentShader ) );
-  fragmentShaderString.append( fragmentShaderPrefix );
-  fragmentShaderString.append( fragmentShader );
-
-  customShader[ "fragmentShader" ] = fragmentShaderString;
-  customShader[ "hints" ] = "outputIsTransparent";
-
-  map[ "shader" ] = customShader;
-  return map;
-}
-
+DALI_TOOLKIT_API Dali::Property::Map CreateDistanceFieldEffect();
 
 } // namespace Toolkit
 
 } // namespace Dali
 
-#endif // __DALI_TOOLKIT_SHADER_EFFECT_SPOT_H__
+#endif // DALI_TOOLKIT_SHADER_EFFECT_DISTANCEFIELD_H