2 // Copyright (c) 2014 Samsung Electronics Co., Ltd.
4 // Licensed under the Flora License, Version 1.0 (the License);
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
8 // http://floralicense.org/license/
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an AS IS BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
18 #include <dali/internal/event/images/nine-patch-image-impl.h>
21 #include <dali/integration-api/bitmap.h>
22 #include <dali/internal/event/images/bitmap-external.h>
23 #include <dali/internal/event/common/thread-local-storage.h>
24 #include <dali/internal/event/resources/resource-client.h>
25 #include <dali/internal/update/manager/update-manager.h>
26 #include <dali/internal/event/images/image-factory.h>
27 #include <dali/integration-api/platform-abstraction.h>
28 #include <dali/integration-api/resource-types.h>
29 #include <dali/integration-api/resource-cache.h>
34 void GetRedOffsetAndMask(Dali::Pixel::Format pixelFormat, int& byteOffset, int& bitMask)
40 case Dali::Pixel::LA88:
47 case Dali::Pixel::RGB888:
48 case Dali::Pixel::RGB8888:
49 case Dali::Pixel::RGBA8888:
55 case Dali::Pixel::BGR8888:
56 case Dali::Pixel::BGRA8888:
62 case Dali::Pixel::RGB565:
68 case Dali::Pixel::BGR565:
75 case Dali::Pixel::RGBA4444:
81 case Dali::Pixel::BGRA4444:
88 case Dali::Pixel::RGBA5551:
95 case Dali::Pixel::BGRA5551:
102 case Dali::Pixel::COMPRESSED_R11_EAC:
103 case Dali::Pixel::COMPRESSED_SIGNED_R11_EAC:
104 case Dali::Pixel::COMPRESSED_RG11_EAC:
105 case Dali::Pixel::COMPRESSED_SIGNED_RG11_EAC:
106 case Dali::Pixel::COMPRESSED_RGB8_ETC2:
107 case Dali::Pixel::COMPRESSED_SRGB8_ETC2:
108 case Dali::Pixel::COMPRESSED_RGB8_ETC1:
109 case Dali::Pixel::COMPRESSED_RGB_PVRTC_4BPPV1:
110 case Dali::Pixel::COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
111 case Dali::Pixel::COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
112 case Dali::Pixel::COMPRESSED_RGBA8_ETC2_EAC:
113 case Dali::Pixel::COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
115 DALI_LOG_ERROR("Pixel formats for compressed images are not compatible with simple masking-out of per-pixel alpha.\n");
123 } // anonymous namespace
132 NinePatchImagePtr NinePatchImage::New( const std::string& filename, const Dali::ImageAttributes& attributes, LoadPolicy loadPol, ReleasePolicy releasePol )
134 Internal::NinePatchImagePtr internal( new NinePatchImage( filename, attributes, loadPol, releasePol ) );
135 internal->Initialize();
139 NinePatchImage::NinePatchImage( const std::string& filename, const Dali::ImageAttributes& attributes, LoadPolicy loadPol, ReleasePolicy releasePol)
140 : Image(Dali::Image::Immediate, Dali::Image::Never),
143 ThreadLocalStorage& tls = ThreadLocalStorage::Get();
144 mResourceClient = &tls.GetResourceClient();
146 Integration::PlatformAbstraction& platformAbstraction = Internal::ThreadLocalStorage::Get().GetPlatformAbstraction();
149 platformAbstraction.GetClosestImageSize( filename, attributes, closestSize );
150 ImageAttributes loadedAttrs;
151 loadedAttrs.SetSize( closestSize );
152 mWidth = closestSize.width;
153 mHeight = closestSize.height;
154 Integration::BitmapResourceType resourceType( loadedAttrs );
156 // Note, bitmap is only destroyed when the image is destroyed.
157 Integration::ResourcePointer resource = platformAbstraction.LoadResourceSynchronously(resourceType, filename);
158 mBitmap = static_cast<Integration::Bitmap*>( resource.Get());
161 NinePatchImage* NinePatchImage::GetNinePatchImage( Image* image)
163 return dynamic_cast<NinePatchImage*>(image);
166 NinePatchImage::~NinePatchImage()
170 Vector4 NinePatchImage::GetStretchBorders()
172 if( ! mParsedBorder )
176 return mStretchBorders;
179 Rect<int> NinePatchImage::GetChildRectangle()
181 if( ! mParsedBorder )
185 return mChildRectangle;
188 Internal::BitmapImagePtr NinePatchImage::CreateCroppedBitmapImage()
190 Pixel::Format pixelFormat = mBitmap->GetPixelFormat();
192 BitmapImagePtr cropped = BitmapImage::New( mWidth-2, mHeight-2, pixelFormat,
193 Dali::Image::Immediate, Dali::Image::Never );
195 Integration::Bitmap::PackedPixelsProfile* srcProfile = mBitmap->GetPackedPixelsProfile();
196 DALI_ASSERT_DEBUG( srcProfile && "Wrong profile for source bitmap");
200 PixelBuffer* destPixels = cropped->GetBuffer();
201 unsigned int destStride = cropped->GetBufferStride();
202 unsigned int pixelWidth = GetBytesPerPixel(pixelFormat);
204 PixelBuffer* srcPixels = mBitmap->GetBuffer();
205 unsigned int srcStride = srcProfile->GetBufferStride();
207 for( unsigned int row=1; row < mHeight-1; ++row )
209 PixelBuffer* src = srcPixels + row*srcStride + pixelWidth;
210 PixelBuffer* dest = destPixels + (row-1)*destStride;
211 memcpy(dest, src, destStride );
216 cropped->Update(area); // default area has no width or height
220 void NinePatchImage::Connect()
222 if( mConnectionCount == 0 && !mTicket )
224 const ImageTicketPtr& t = mResourceClient->AddBitmapImage(mBitmap.Get());
226 mTicket->AddObserver(*this);
232 void NinePatchImage::Disconnect()
234 if( mConnectionCount > 0 )
241 void NinePatchImage::ParseBorders()
243 Pixel::Format pixelFormat = mBitmap->GetPixelFormat();
245 Integration::Bitmap::PackedPixelsProfile* srcProfile = mBitmap->GetPackedPixelsProfile();
246 DALI_ASSERT_DEBUG( srcProfile && "Wrong profile for source bitmap");
250 unsigned int pixelWidth = GetBytesPerPixel(pixelFormat);
251 PixelBuffer* srcPixels = mBitmap->GetBuffer();
252 unsigned int srcStride = srcProfile->GetBufferStride();
256 Pixel::GetAlphaOffsetAndMask(pixelFormat, alphaByte, alphaBits);
259 GetRedOffsetAndMask(pixelFormat, redByte, redBits);
261 int testByte = alphaByte;
262 int testBits = alphaBits;
263 int testValue = alphaBits; // Opaque == stretch
268 testValue = 0; // Black == stretch
280 PixelBuffer* top = srcPixels + pixelWidth;
281 PixelBuffer* bottom = srcPixels + (mHeight-1)*srcStride + pixelWidth;
283 // Read the top and bottom rows:
284 // (Also read the last column to ensure end value gets set)
285 for( unsigned int col=1; col < mWidth; ++col )
287 if( (top[testByte] & testBits) == testValue )
294 else if(startX1 >= 0 && endX1 < 0)
300 if( (bottom[testByte] & testBits) == testValue )
307 else if(startX2 >= 0 && endX2 < 0)
316 // Read the left and right columns:
317 PixelBuffer* left = srcPixels + srcStride;
318 PixelBuffer* right = left + (srcStride - pixelWidth);
320 // (Also read the last row to ensure end value gets set)
321 for( unsigned int row=1; row < mHeight; ++row )
323 if((left[testByte] & testBits) == testValue)
330 else if(startY1 >= 0 && endY1 < 0)
336 if((right[testByte] & testBits) == testValue)
343 else if(startY2 >= 0 && endY2 < 0)
352 mStretchBorders.x = startX1-1;
353 mStretchBorders.y = startY1-1;
354 mStretchBorders.z = mWidth-endX1-1;
355 mStretchBorders.w = mHeight-endY1-1;
357 mChildRectangle.x = startX2-1;
358 mChildRectangle.y = startY2-1;
359 mChildRectangle.width = endX2-startX2;
360 mChildRectangle.height = endY2-startY2;
362 mParsedBorder = true;
366 } // namespace Internal