2 * Copyright (c) 2022 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>
25 #ifndef THORVG_SUPPORT
27 #include <third-party/nanosvg/nanosvg.h>
28 #include <third-party/nanosvg/nanosvgrast.h>
37 namespace // unnamed namespace
39 const char* const UNITS("px");
42 Dali::BaseHandle Create()
44 return Dali::BaseHandle();
47 Dali::TypeRegistration type(typeid(Dali::VectorImageRenderer), typeid(Dali::BaseHandle), Create);
49 } // unnamed namespace
51 VectorImageRendererPtr VectorImageRenderer::New()
53 VectorImageRendererPtr renderer = new VectorImageRenderer();
56 renderer->Initialize();
61 VectorImageRenderer::VectorImageRenderer()
67 : mParsedImage(nullptr),
73 VectorImageRenderer::~VectorImageRenderer()
77 //NOTE: Initializer::term() will call clear() internally.
78 //However, due to the delete on mPicture, a crash occurs for the paint
79 //that has already been deleted in clear() of term().
80 //Therefore, it temporarily performs a non-free clear().
81 mSwCanvas->clear(false);
88 tvg::Initializer::term(tvg::CanvasEngine::Sw);
92 nsvgDelete(mParsedImage);
97 nsvgDeleteRasterizer(mRasterizer);
102 void VectorImageRenderer::Initialize()
104 #ifdef THORVG_SUPPORT
105 tvg::Initializer::init(tvg::CanvasEngine::Sw, 0);
107 mSwCanvas = tvg::SwCanvas::gen();
108 mSwCanvas->mempool(tvg::SwCanvas::MempoolPolicy::Individual);
109 mSwCanvas->reserve(1); //has one picture
111 mRasterizer = nsvgCreateRasterizer();
115 bool VectorImageRenderer::Load(const Vector<uint8_t>& data, float dpi)
117 #ifdef THORVG_SUPPORT
120 DALI_LOG_ERROR("VectorImageRenderer::Load Canvas Object is null [%p]\n", this);
126 mPicture = tvg::Picture::gen().release();
129 DALI_LOG_ERROR("VectorImageRenderer::Load: Picture gen Fail [%p]\n", this);
134 tvg::Result ret = mPicture->load(reinterpret_cast<char*>(data.Begin()), data.Size(), true);
136 if(ret != tvg::Result::Success)
140 case tvg::Result::InvalidArguments:
142 DALI_LOG_ERROR("VectorImageRenderer::Load Load fail(Invalid arguments) Size:%d [%p]\n", data.Size(), this);
145 case tvg::Result::NonSupport:
147 DALI_LOG_ERROR("VectorImageRenderer::Load Load fail(Invalid SVG) Size:%d [%p]\n", data.Size(), this);
150 case tvg::Result::Unknown:
152 DALI_LOG_ERROR("VectorImageRenderer::Load Load fail(Parse fail) Size:%d [%p]\n", data.Size(), this);
157 DALI_LOG_ERROR("VectorImageRenderer::Load Load fail / Size:%d [%p]\n", data.Size(), this);
165 mPicture->size(&w, &h);
166 mDefaultWidth = static_cast<uint32_t>(w);
167 mDefaultHeight = static_cast<uint32_t>(h);
171 mParsedImage = nsvgParse(reinterpret_cast<char*>(data.Begin()), UNITS, dpi);
172 if(!mParsedImage || !mParsedImage->shapes)
174 DALI_LOG_ERROR("VectorImageRenderer::Load: nsvgParse failed\n");
181 bool VectorImageRenderer::Rasterize(Dali::Devel::PixelBuffer& buffer, float scale)
183 #ifdef THORVG_SUPPORT
184 if(!mSwCanvas || !mPicture)
186 DALI_LOG_ERROR("VectorImageRenderer::Rasterize: either Canvas[%p] or Picture[%p] is invalid [%p]\n", mSwCanvas.get(), mPicture, this);
190 mSwCanvas->clear(false);
192 auto pBuffer = buffer.GetBuffer();
195 DALI_LOG_ERROR("VectorImageRenderer::Rasterize: pixel buffer is null [%p]\n", this);
199 auto width = buffer.GetWidth();
200 auto height = buffer.GetHeight();
202 mSwCanvas->target(reinterpret_cast<uint32_t*>(pBuffer), width, width, height, tvg::SwCanvas::ABGR8888);
204 DALI_LOG_RELEASE_INFO("VectorImageRenderer::Rasterize: Buffer[%p] size[%d x %d]! [%p]\n", pBuffer, width, height, this);
206 mPicture->size(width, height);
208 /* We can push everytime since we cleared the canvas just before. */
209 if(mSwCanvas->push(std::unique_ptr<tvg::Picture>(mPicture)) != tvg::Result::Success)
211 DALI_LOG_ERROR("VectorImageRenderer::Rasterize: Picture push fail [%p]\n", this);
215 auto ret = mSwCanvas->draw();
216 if(ret != tvg::Result::Success)
218 DALI_LOG_ERROR("VectorImageRenderer::Rasterize: Draw fail %d [%p]\n", static_cast<int>(ret), this);
226 if(mParsedImage != nullptr)
228 int stride = buffer.GetWidth() * Pixel::GetBytesPerPixel(buffer.GetPixelFormat());
229 nsvgRasterize(mRasterizer, mParsedImage, 0.0f, 0.0f, scale, buffer.GetBuffer(), buffer.GetWidth(), buffer.GetHeight(), stride);
236 void VectorImageRenderer::GetDefaultSize(uint32_t& width, uint32_t& height) const
238 #ifdef THORVG_SUPPORT
239 width = mDefaultWidth;
240 height = mDefaultHeight;
244 width = mParsedImage->width;
245 height = mParsedImage->height;
250 } // namespace Adaptor
252 } // namespace Internal