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.
18 #include <dali/devel-api/adaptor-framework/vector-image-renderer.h>
19 #include <dali/public-api/object/base-object.h>
20 #include <dali/public-api/rendering/renderer.h>
22 #include <toolkit-application.h>
23 #include <toolkit-event-thread-callback.h>
24 #include <toolkit-vector-image-renderer.h>
36 Dali::Internal::Adaptor::VectorImageRenderer* gVectorImageRenderer = nullptr;
39 * @brief Check whether the data contain keyword as substring or not.
40 * It can be used as Naive Check-up to determine vector image loaded successfully or not.
42 * @param[in] data Raw data
43 * @param[in] keyword Keyword to check data holded or not.
44 * @return True if data contain keyword.
46 bool CheckKeywordExist(const Vector<uint8_t>& data, std::string keyword)
48 std::string trimedString;
50 // Remove useless character in data.
51 for(const uint8_t& it : data)
53 if(keyword.find(it) != std::string::npos)
55 trimedString.push_back(it);
59 if(trimedString.length() >= keyword.length())
61 if(trimedString.find(keyword) != std::string::npos)
70 class VectorImageRenderer : public Dali::BaseObject
77 ~VectorImageRenderer()
81 bool Load(const Vector<uint8_t>& data, float dpi)
84 if(strncmp(reinterpret_cast<char*>(data.Begin()), "invalid", 7) == 0)
88 else if(strncmp(reinterpret_cast<char*>(data.Begin()), "Fail to rasterize", strlen("Fail to rasterize")) == 0)
90 mRasterizeSuccess = false;
92 // Naive check-up whether data is valid format or not. Currently we only check svg and tvg file format.
93 else if(!CheckKeywordExist(data, "</svg>") && !CheckKeywordExist(data, "ThorVG"))
101 bool IsLoaded() const
106 Dali::Devel::PixelBuffer Rasterize(uint32_t width, uint32_t height)
108 if(mRasterizeSuccess)
110 Devel::PixelBuffer pixelBuffer = Devel::PixelBuffer::New(width, height, Dali::Pixel::RGBA8888);
113 return Dali::Devel::PixelBuffer();
116 void GetDefaultSize(uint32_t& width, uint32_t& height) const
125 uint32_t mLoadCount{0};
126 bool mLoadSuccess{false};
127 bool mRasterizeSuccess{true};
130 inline VectorImageRenderer& GetImplementation(Dali::VectorImageRenderer& renderer)
132 DALI_ASSERT_ALWAYS(renderer && "VectorImageRenderer handle is empty.");
133 BaseObject& handle = renderer.GetBaseObject();
134 return static_cast<Internal::Adaptor::VectorImageRenderer&>(handle);
137 inline const VectorImageRenderer& GetImplementation(const Dali::VectorImageRenderer& renderer)
139 DALI_ASSERT_ALWAYS(renderer && "VectorImageRenderer handle is empty.");
140 const BaseObject& handle = renderer.GetBaseObject();
141 return static_cast<const Internal::Adaptor::VectorImageRenderer&>(handle);
144 } // namespace Adaptor
146 } // namespace Internal
148 /********************************************************************************/
149 /********************************* PUBLIC CLASS *******************************/
150 /********************************************************************************/
152 VectorImageRenderer VectorImageRenderer::New()
154 Internal::Adaptor::VectorImageRenderer* imageRenderer = new Internal::Adaptor::VectorImageRenderer();
156 Internal::Adaptor::gVectorImageRenderer = imageRenderer;
158 return VectorImageRenderer(imageRenderer);
161 VectorImageRenderer::VectorImageRenderer()
165 VectorImageRenderer::~VectorImageRenderer()
169 VectorImageRenderer::VectorImageRenderer(Internal::Adaptor::VectorImageRenderer* internal)
170 : BaseHandle(internal)
174 bool VectorImageRenderer::Load(const Vector<uint8_t>& data, float dpi)
176 return Internal::Adaptor::GetImplementation(*this).Load(data, dpi);
179 bool VectorImageRenderer::IsLoaded() const
181 return Internal::Adaptor::GetImplementation(*this).IsLoaded();
184 Dali::Devel::PixelBuffer VectorImageRenderer::Rasterize(uint32_t width, uint32_t height)
186 return Internal::Adaptor::GetImplementation(*this).Rasterize(width, height);
189 void VectorImageRenderer::GetDefaultSize(uint32_t& width, uint32_t& height) const
191 Internal::Adaptor::GetImplementation(*this).GetDefaultSize(width, height);
198 namespace VectorImageRenderer
200 uint32_t GetLoadCount()
202 return Dali::Internal::Adaptor::gVectorImageRenderer->mLoadCount;
205 } // namespace VectorImageRenderer