1 #ifndef DALI_INTERNAL_NATIVE_IMAGE_SOURCE_H
2 #define DALI_INTERNAL_NATIVE_IMAGE_SOURCE_H
5 * Copyright (c) 2021 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
22 #include <dali/public-api/adaptor-framework/native-image-source.h>
24 #include <dali/internal/imaging/common/native-image-source-impl.h>
32 class EglImageExtensions;
35 * Dali internal NativeImageSource.
37 class NativeImageSourceWin : public Internal::Adaptor::NativeImageSource
41 * Create a new NativeImageSource internally.
42 * Depending on hardware the width and height may have to be a power of two.
43 * @param[in] width The width of the image.
44 * @param[in] height The height of the image.
45 * @param[in] depth color depth of the image.
46 * @param[in] nativeImageSource contains either: pixmap of type Win32 Pixmap , a WinPixmap or is empty
47 * @return A smart-pointer to a newly allocated image.
49 static NativeImageSourceWin* New(unsigned int width,
51 Dali::NativeImageSource::ColorDepth depth,
52 Any nativeImageSource);
54 * @copydoc Dali::NativeImageSource::GetNativeImageSource()
56 Any GetNativeImageSource() const override;
59 * @copydoc Dali::NativeImageSource::GetPixels()
61 bool GetPixels(std::vector<unsigned char>& pixbuf, unsigned int& width, unsigned int& height, Pixel::Format& pixelFormat) const override;
64 * @copydoc Dali::NativeImageSource::SetSource( Any source )
66 void SetSource(Any source) override;
69 * @copydoc Dali::NativeImageSource::IsColorDepthSupported( ColorDepth colorDepth )
71 bool IsColorDepthSupported(Dali::NativeImageSource::ColorDepth colorDepth) override;
76 ~NativeImageSourceWin() override;
79 * @copydoc Dali::NativeImageSource::CreateResource()
81 bool CreateResource() override;
84 * @copydoc Dali::NativeImageSource::DestroyResource()
86 void DestroyResource() override;
89 * @copydoc Dali::NativeImageSource::TargetTexture()
91 unsigned int TargetTexture() override;
94 * @copydoc Dali::NativeImageSource::PrepareTexture()
96 void PrepareTexture() override;
99 * @copydoc Dali::NativeImageSource::GetWidth()
101 unsigned int GetWidth() const override
107 * @copydoc Dali::NativeImageSource::GetHeight()
109 unsigned int GetHeight() const override
115 * @copydoc Dali::NativeImageSource::RequiresBlending()
117 bool RequiresBlending() const override
119 return mBlendingRequired;
123 * @copydoc Dali::NativeImageInterface::GetCustomFragmentPrefix()
125 const char* GetCustomFragmentPrefix() const override;
128 * @copydoc Dali::NativeImageInterface::GetCustomSamplerTypename()
130 const char* GetCustomSamplerTypename() const override;
133 * @copydoc Dali::NativeImageInterface::GetTextureTarget()
135 int GetTextureTarget() const override;
138 * @copydoc Dali::NativeImageInterface::GetNativeImageHandle()
140 Any GetNativeImageHandle() const override;
143 * @copydoc Dali::NativeImageInterface::SourceChanged()
145 bool SourceChanged() const override;
148 * @copydoc Dali::NativeImageInterface::GetExtension()
150 NativeImageInterface::Extension* GetNativeImageInterfaceExtension() override
156 * @copydoc Dali::Internal::Adaptor::NativeImageSource::AcquireBuffer()
158 uint8_t* AcquireBuffer(uint16_t& width, uint16_t& height, uint16_t& stride) override;
161 * @copydoc Dali::Internal::Adaptor::NativeImageSource::ReleaseBuffer()
163 bool ReleaseBuffer() override;
167 * Private constructor; @see NativeImageSource::New()
168 * @param[in] width The width of the image.
169 * @param[in] height The height of the image.
170 * @param[in] colour depth of the image.
171 * @param[in] nativeImageSource contains either: pixmap of type Win32 Pixmap , a WinPixmap or is empty
173 NativeImageSourceWin(unsigned int width,
175 Dali::NativeImageSource::ColorDepth depth,
176 Any nativeImageSource);
179 * 2nd phase construction.
184 * Uses X11 to get the default depth.
185 * @param depth the PixelImage depth enum
186 * @return default win32 pixel depth
188 int GetPixelDepth(Dali::NativeImageSource::ColorDepth depth) const;
191 * Gets the pixmap from the Any parameter
192 * @param pixmap contains either: pixmap of type Win32 Pixmap , a WinPixmap or is empty
193 * @return pixmap x11 pixmap
195 unsigned int GetPixmapFromAny(Any pixmap) const;
198 * Given an existing pixmap, the function uses X to find out
199 * the width, heigth and depth of that pixmap.
201 void GetPixmapDetails();
204 unsigned int mWidth; ///< image width
205 unsigned int mHeight; ///< image heights
206 bool mOwnPixmap; ///< Whether we created pixmap or not
207 unsigned int mPixmap; ///< From Windows
208 bool mBlendingRequired; ///< Whether blending is required
209 Dali::NativeImageSource::ColorDepth mColorDepth; ///< color depth of image
210 void* mEglImageKHR; ///< From EGL extension
211 EglImageExtensions* mEglImageExtensions; ///< The EGL Image Extensions
214 } // namespace Adaptor
216 } // namespace Internal
220 #endif // DALI_INTERNAL_NATIVE_IMAGE_SOURCE_H