dali/public-api/actors/blending.h

   1 #ifndef __DALI_BLENDING_H__
   2 #define __DALI_BLENDING_H__
   3
   4 /*
   5  * Copyright (c) 2014 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 DALI_IMPORT_API
  25 {
  26
  27 namespace BlendingMode
  28 {
  29 /**
  30  * @brief Blending mode.
  31  * @see Dali::RenderableActor::SetBlendMode() and Dali::RenderableActor::GetBlendMode()
  32  */
  33 enum Type
  34 {
  35   OFF,  ///< Blending is disabled.
  36   AUTO, ///< Blending is enabled if there is alpha channel.
  37   ON    ///< Blending is enabled.
  38 };
  39
  40 } //namespace BlendingMode
  41
  42 namespace BlendingFactor
  43 {
  44 /**
  45  * @brief Blending Factor.
  46  *
  47  * @see Dali::RenderableActor::SetBlendFunc() and Dali::RenderableActor::GetBlendFunc()
  48  */
  49 enum Type
  50 {
  51   ZERO                     = 0,
  52   ONE                      = 1,
  53   SRC_COLOR                = 0x0300,
  54   ONE_MINUS_SRC_COLOR      = 0x0301,
  55   SRC_ALPHA                = 0x0302,
  56   ONE_MINUS_SRC_ALPHA      = 0x0303,
  57   DST_ALPHA                = 0x0304,
  58   ONE_MINUS_DST_ALPHA      = 0x0305,
  59   DST_COLOR                = 0x0306,
  60   ONE_MINUS_DST_COLOR      = 0x0307,
  61   SRC_ALPHA_SATURATE       = 0x0308,
  62   CONSTANT_COLOR           = 0x8001,
  63   ONE_MINUS_CONSTANT_COLOR = 0x8002,
  64   CONSTANT_ALPHA           = 0x8003,
  65   ONE_MINUS_CONSTANT_ALPHA = 0x8004
  66 };
  67
  68 } // namespace BlendingFactor
  69
  70 namespace BlendingEquation
  71 {
  72 /**
  73  * @brief Blending Equation.
  74  *
  75  * @see Dali::RenderableActor::SetBlendEquation() and Dali::RenderableActor::GetBlendEquation()
  76  */
  77 enum Type
  78 {
  79   ADD              = 0x8006,
  80   SUBTRACT         = 0x800A,
  81   REVERSE_SUBTRACT = 0x800B
  82 };
  83
  84 } // namespace BlendingEquation
  85
  86 extern const BlendingFactor::Type   DEFAULT_BLENDING_SRC_FACTOR_RGB;    ///< BlendingFactor::SRC_ALPHA
  87 extern const BlendingFactor::Type   DEFAULT_BLENDING_DEST_FACTOR_RGB;   ///< BlendingFactor::ONE_MINUS_SRC_ALPHA
  88 extern const BlendingFactor::Type   DEFAULT_BLENDING_SRC_FACTOR_ALPHA;  ///< BlendingFactor::ONE
  89 extern const BlendingFactor::Type   DEFAULT_BLENDING_DEST_FACTOR_ALPHA; ///< BlendingFactor::ONE_MINUS_SRC_ALPHA
  90
  91 extern const BlendingEquation::Type DEFAULT_BLENDING_EQUATION_RGB;     ///< BlendingEquation::ADD
  92 extern const BlendingEquation::Type DEFAULT_BLENDING_EQUATION_ALPHA;   ///< BlendingEquation::ADD
  93
  94 } // namespace Dali
  95
  96 #endif // __DALI_BLENDING_H__