dali/public-api/actors/blending.h

   1 #ifndef __DALI_BLENDING_H__
   2 #define __DALI_BLENDING_H__
   3
   4 /*
   5  * Copyright (c) 2015 Samsung Electronics Co., Ltd.
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  * http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  */
  20
  21 // INTERNAL INCLUDES
  22 #include <dali/public-api/common/dali-common.h>
  23
  24 namespace Dali
  25 {
  26 /**
  27  * @addtogroup dali-core-actors
  28  * @{
  29  */
  30
  31 namespace BlendingMode
  32 {
  33 /**
  34  * @brief Blending mode.
  35  * @see Dali::RenderableActor::SetBlendMode() and Dali::RenderableActor::GetBlendMode()
  36  */
  37 enum Type
  38 {
  39   OFF,  ///< Blending is disabled.
  40   AUTO, ///< Blending is enabled if there is alpha channel.
  41   ON    ///< Blending is enabled.
  42 };
  43
  44 } //namespace BlendingMode
  45
  46 namespace BlendingFactor
  47 {
  48 /**
  49  * @brief Blending Factor.
  50  *
  51  * @see Dali::RenderableActor::SetBlendFunc() and Dali::RenderableActor::GetBlendFunc()
  52  */
  53 enum Type
  54 {
  55   ZERO                     = 0,
  56   ONE                      = 1,
  57   SRC_COLOR                = 0x0300,
  58   ONE_MINUS_SRC_COLOR      = 0x0301,
  59   SRC_ALPHA                = 0x0302,
  60   ONE_MINUS_SRC_ALPHA      = 0x0303,
  61   DST_ALPHA                = 0x0304,
  62   ONE_MINUS_DST_ALPHA      = 0x0305,
  63   DST_COLOR                = 0x0306,
  64   ONE_MINUS_DST_COLOR      = 0x0307,
  65   SRC_ALPHA_SATURATE       = 0x0308,
  66   CONSTANT_COLOR           = 0x8001,
  67   ONE_MINUS_CONSTANT_COLOR = 0x8002,
  68   CONSTANT_ALPHA           = 0x8003,
  69   ONE_MINUS_CONSTANT_ALPHA = 0x8004
  70 };
  71
  72 } // namespace BlendingFactor
  73
  74 namespace BlendingEquation
  75 {
  76 /**
  77  * @brief Blending Equation.
  78  *
  79  * @see Dali::RenderableActor::SetBlendEquation() and Dali::RenderableActor::GetBlendEquation()
  80  */
  81 enum Type
  82 {
  83   ADD              = 0x8006,
  84   SUBTRACT         = 0x800A,
  85   REVERSE_SUBTRACT = 0x800B
  86 };
  87
  88 } // namespace BlendingEquation
  89
  90 DALI_IMPORT_API extern const BlendingFactor::Type   DEFAULT_BLENDING_SRC_FACTOR_RGB;    ///< BlendingFactor::SRC_ALPHA
  91 DALI_IMPORT_API extern const BlendingFactor::Type   DEFAULT_BLENDING_DEST_FACTOR_RGB;   ///< BlendingFactor::ONE_MINUS_SRC_ALPHA
  92 DALI_IMPORT_API extern const BlendingFactor::Type   DEFAULT_BLENDING_SRC_FACTOR_ALPHA;  ///< BlendingFactor::ONE
  93 DALI_IMPORT_API extern const BlendingFactor::Type   DEFAULT_BLENDING_DEST_FACTOR_ALPHA; ///< BlendingFactor::ONE_MINUS_SRC_ALPHA
  94
  95 DALI_IMPORT_API extern const BlendingEquation::Type DEFAULT_BLENDING_EQUATION_RGB;     ///< BlendingEquation::ADD
  96 DALI_IMPORT_API extern const BlendingEquation::Type DEFAULT_BLENDING_EQUATION_ALPHA;   ///< BlendingEquation::ADD
  97
  98 /**
  99  * @}
 100  */
 101 } // namespace Dali
 102
 103 #endif // __DALI_BLENDING_H__