2 * Copyright (c) 2020 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (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://www.apache.org/licenses/LICENSE-2.0
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.
19 #include <dali/internal/vector-image/common/vector-image-renderer-impl.h>
22 #include <dali/integration-api/debug.h>
23 #include <dali/public-api/object/type-registry.h>
26 #include <third-party/nanosvg/nanosvg.h>
27 #include <third-party/nanosvg/nanosvgrast.h>
38 namespace // unnamed namespace
40 const char* const UNITS("px");
43 Dali::BaseHandle Create()
45 return Dali::BaseHandle();
48 Dali::TypeRegistration type( typeid( Dali::VectorImageRenderer ), typeid( Dali::BaseHandle ), Create );
50 } // unnamed namespace
52 VectorImageRendererPtr VectorImageRenderer::New()
54 VectorImageRendererPtr renderer = new VectorImageRenderer();
57 renderer->Initialize();
62 VectorImageRenderer::VectorImageRenderer()
63 : mPlugin(std::string()),
64 mParsedImage(nullptr),
69 VectorImageRenderer::~VectorImageRenderer()
73 nsvgDelete(mParsedImage);
78 nsvgDeleteRasterizer(mRasterizer);
82 void VectorImageRenderer::Initialize()
84 if(!mPlugin.IsValid())
86 mRasterizer = nsvgCreateRasterizer();
90 bool VectorImageRenderer::Load(const Vector<uint8_t>& data, float dpi)
94 return mPlugin.Load(data);
98 mParsedImage = nsvgParse(reinterpret_cast<char*>(data.Begin()), UNITS, dpi);
101 DALI_LOG_ERROR("VectorImageRenderer::Load: nsvgParse failed\n");
108 bool VectorImageRenderer::Rasterize(Dali::Devel::PixelBuffer& buffer, float scale)
110 if(mPlugin.IsValid())
112 return mPlugin.Rasterize(buffer);
116 if(mParsedImage != nullptr)
118 int stride = buffer.GetWidth() * Pixel::GetBytesPerPixel(buffer.GetPixelFormat());
119 nsvgRasterize(mRasterizer, mParsedImage, 0.0f, 0.0f, scale, buffer.GetBuffer(), buffer.GetWidth(), buffer.GetHeight(), stride);
126 void VectorImageRenderer::GetDefaultSize( uint32_t& width, uint32_t& height ) const
128 if(mPlugin.IsValid())
130 mPlugin.GetDefaultSize(width, height);
136 width = mParsedImage->width;
137 height = mParsedImage->height;
142 } // namespace Adaptor
144 } // namespace Internal