Making DALi public API typesafe using guaranteed types; uint8_t, uint32_t

[platform/core/uifw/dali-core.git] / dali / public-api / images / pixel.cpp

diff --git a/dali/public-api/images/pixel.cpp b/dali/public-api/images/pixel.cpp
index 80121c5..b50816f 100644 (file)
--- a/dali/public-api/images/pixel.cpp
+++ b/dali/public-api/images/pixel.cpp
@@ -1,24 +1,25 @@
-//
-// 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) 2018 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.
+ *
+ */
 
 // CLASS HEADER
 #include <dali/public-api/images/pixel.h>
-#include <dali/public-api/images/pixel-extras.h>
 
 // INTERNAL INCLUDES
+#include <dali/public-api/common/dali-common.h>
 #include <dali/integration-api/debug.h>
 
 namespace Dali
@@ -42,6 +43,34 @@ bool Pixel::HasAlpha(Format pixelformat)
     case COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
     case COMPRESSED_RGBA8_ETC2_EAC:
     case COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
+    case COMPRESSED_RGBA_ASTC_4x4_KHR:
+    case COMPRESSED_RGBA_ASTC_5x4_KHR:
+    case COMPRESSED_RGBA_ASTC_5x5_KHR:
+    case COMPRESSED_RGBA_ASTC_6x5_KHR:
+    case COMPRESSED_RGBA_ASTC_6x6_KHR:
+    case COMPRESSED_RGBA_ASTC_8x5_KHR:
+    case COMPRESSED_RGBA_ASTC_8x6_KHR:
+    case COMPRESSED_RGBA_ASTC_8x8_KHR:
+    case COMPRESSED_RGBA_ASTC_10x5_KHR:
+    case COMPRESSED_RGBA_ASTC_10x6_KHR:
+    case COMPRESSED_RGBA_ASTC_10x8_KHR:
+    case COMPRESSED_RGBA_ASTC_10x10_KHR:
+    case COMPRESSED_RGBA_ASTC_12x10_KHR:
+    case COMPRESSED_RGBA_ASTC_12x12_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:
     {
       return true;
     }
@@ -60,6 +89,9 @@ bool Pixel::HasAlpha(Format pixelformat)
     case COMPRESSED_SRGB8_ETC2:
     case COMPRESSED_RGB8_ETC1:
     case COMPRESSED_RGB_PVRTC_4BPPV1:
+    case RGB16F:
+    case RGB32F:
+    case INVALID:
     {
       return false;
     }
@@ -67,7 +99,7 @@ bool Pixel::HasAlpha(Format pixelformat)
   return false;
 }
 
-unsigned int Pixel::GetBytesPerPixel(Format pixelFormat)
+uint32_t Pixel::GetBytesPerPixel(Format pixelFormat)
 {
   switch (pixelFormat)
   {
@@ -101,50 +133,16 @@ unsigned int Pixel::GetBytesPerPixel(Format pixelFormat)
       return 4;
     }
 
-    case COMPRESSED_R11_EAC:
-    case COMPRESSED_SIGNED_R11_EAC:
-    case COMPRESSED_RG11_EAC:
-    case COMPRESSED_SIGNED_RG11_EAC:
-    case COMPRESSED_RGB8_ETC2:
-    case COMPRESSED_SRGB8_ETC2:
-    case COMPRESSED_RGB8_ETC1:
-    case COMPRESSED_RGB_PVRTC_4BPPV1:
-    case COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
-    case COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
-    case COMPRESSED_RGBA8_ETC2_EAC:
-    case COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
+    case RGB16F:
     {
-      DALI_LOG_ERROR("Pixel formats for compressed images do not have meaningful integer bits per pixel values.\n");
-      return 0;
+      return 12;
     }
-  }
-  return 0;
-}
 
-bool Pixel::IsEncoded( const Format pixelFormat )
-{
-  switch (pixelFormat)
-  {
-    // All "normal" formats of addressable packed pixels are not encoded:
-    case L8:
-    case A8:
-    case LA88:
-    case RGB565:
-    case RGBA4444:
-    case RGBA5551:
-    case BGR565:
-    case BGRA4444:
-    case BGRA5551:
-    case RGB888:
-    case RGB8888:
-    case BGR8888:
-    case RGBA8888:
-    case BGRA8888:
+    case RGB32F:
     {
-      return false;
+      return 24;
     }
 
-    // All compressed texture formats are encoded:
     case COMPRESSED_R11_EAC:
     case COMPRESSED_SIGNED_R11_EAC:
     case COMPRESSED_RG11_EAC:
@@ -157,12 +155,41 @@ bool Pixel::IsEncoded( const Format pixelFormat )
     case COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
     case COMPRESSED_RGBA8_ETC2_EAC:
     case COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
+    case COMPRESSED_RGBA_ASTC_4x4_KHR:
+    case COMPRESSED_RGBA_ASTC_5x4_KHR:
+    case COMPRESSED_RGBA_ASTC_5x5_KHR:
+    case COMPRESSED_RGBA_ASTC_6x5_KHR:
+    case COMPRESSED_RGBA_ASTC_6x6_KHR:
+    case COMPRESSED_RGBA_ASTC_8x5_KHR:
+    case COMPRESSED_RGBA_ASTC_8x6_KHR:
+    case COMPRESSED_RGBA_ASTC_8x8_KHR:
+    case COMPRESSED_RGBA_ASTC_10x5_KHR:
+    case COMPRESSED_RGBA_ASTC_10x6_KHR:
+    case COMPRESSED_RGBA_ASTC_10x8_KHR:
+    case COMPRESSED_RGBA_ASTC_10x10_KHR:
+    case COMPRESSED_RGBA_ASTC_12x10_KHR:
+    case COMPRESSED_RGBA_ASTC_12x12_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:
+    case INVALID:
     {
-      // Fall through to default return value:
-      break;
+      DALI_LOG_ERROR("Pixel formats for compressed images do not have meaningful integer bits per pixel values.\n");
+      return 0;
     }
   }
-  return true;
+  return 0;
 }
 
 void Pixel::GetAlphaOffsetAndMask(Format pixelFormat, int& byteOffset, int& bitMask)
@@ -231,6 +258,37 @@ void Pixel::GetAlphaOffsetAndMask(Format pixelFormat, int& byteOffset, int& bitM
     case COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
     case COMPRESSED_RGBA8_ETC2_EAC:
     case COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
+    case COMPRESSED_RGBA_ASTC_4x4_KHR:
+    case COMPRESSED_RGBA_ASTC_5x4_KHR:
+    case COMPRESSED_RGBA_ASTC_5x5_KHR:
+    case COMPRESSED_RGBA_ASTC_6x5_KHR:
+    case COMPRESSED_RGBA_ASTC_6x6_KHR:
+    case COMPRESSED_RGBA_ASTC_8x5_KHR:
+    case COMPRESSED_RGBA_ASTC_8x6_KHR:
+    case COMPRESSED_RGBA_ASTC_8x8_KHR:
+    case COMPRESSED_RGBA_ASTC_10x5_KHR:
+    case COMPRESSED_RGBA_ASTC_10x6_KHR:
+    case COMPRESSED_RGBA_ASTC_10x8_KHR:
+    case COMPRESSED_RGBA_ASTC_10x10_KHR:
+    case COMPRESSED_RGBA_ASTC_12x10_KHR:
+    case COMPRESSED_RGBA_ASTC_12x12_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:
+    case COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:
+    case RGB16F:
+    case RGB32F:
+    case INVALID:
     {
       DALI_LOG_ERROR("Pixel formats for compressed images are not compatible with simple masking-out of per-pixel alpha.\n");
       byteOffset=0;