2 * Copyright (c) 2021 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>
35 namespace // unnamed namespace
37 const char* const UNITS("px");
40 Dali::BaseHandle Create()
42 return Dali::BaseHandle();
45 Dali::TypeRegistration type(typeid(Dali::VectorImageRenderer), typeid(Dali::BaseHandle), Create);
47 } // unnamed namespace
49 VectorImageRendererPtr VectorImageRenderer::New()
51 VectorImageRendererPtr renderer = new VectorImageRenderer();
54 renderer->Initialize();
59 VectorImageRenderer::VectorImageRenderer()
60 : mPlugin(std::string()),
61 mParsedImage(nullptr),
66 VectorImageRenderer::~VectorImageRenderer()
70 nsvgDelete(mParsedImage);
75 nsvgDeleteRasterizer(mRasterizer);
79 void VectorImageRenderer::Initialize()
81 if(!mPlugin.IsValid())
83 mRasterizer = nsvgCreateRasterizer();
87 bool VectorImageRenderer::Load(const Vector<uint8_t>& data, float dpi)
91 return mPlugin.Load(data);
95 mParsedImage = nsvgParse(reinterpret_cast<char*>(data.Begin()), UNITS, dpi);
98 DALI_LOG_ERROR("VectorImageRenderer::Load: nsvgParse failed\n");
105 bool VectorImageRenderer::Rasterize(Dali::Devel::PixelBuffer& buffer, float scale)
107 if(mPlugin.IsValid())
109 return mPlugin.Rasterize(buffer);
113 if(mParsedImage != nullptr)
115 int stride = buffer.GetWidth() * Pixel::GetBytesPerPixel(buffer.GetPixelFormat());
116 nsvgRasterize(mRasterizer, mParsedImage, 0.0f, 0.0f, scale, buffer.GetBuffer(), buffer.GetWidth(), buffer.GetHeight(), stride);
123 void VectorImageRenderer::GetDefaultSize(uint32_t& width, uint32_t& height) const
125 if(mPlugin.IsValid())
127 mPlugin.GetDefaultSize(width, height);
133 width = mParsedImage->width;
134 height = mParsedImage->height;
139 } // namespace Adaptor
141 } // namespace Internal