1 #ifndef __DALI_PIXMAP_IMAGE_H__
2 #define __DALI_PIXMAP_IMAGE_H__
5 * Copyright (c) 2015 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.
24 #include <dali/public-api/common/vector-wrapper.h>
25 #include <dali/devel-api/images/native-image-interface.h>
26 #include <dali/public-api/images/pixel.h>
27 #include <dali/public-api/object/any.h>
32 namespace Internal DALI_INTERNAL
42 * @brief Pointer to Dali::PixmapImage.
44 typedef IntrusivePtr<PixmapImage> PixmapImagePtr;
47 * @brief Used for displaying native Pixmap images.
49 * The native pixmap can be created internally or
50 * externally by X11 or ECORE-X11.
53 class DALI_IMPORT_API PixmapImage : public NativeImageInterface
58 * @brief When creating a pixmap the color depth has to be specified.
62 COLOR_DEPTH_DEFAULT, ///< Uses the current X screen default depth (recommended)
63 COLOR_DEPTH_8, ///< 8 bits per pixel
64 COLOR_DEPTH_16, ///< 16 bits per pixel
65 COLOR_DEPTH_24, ///< 24 bits per pixel
66 COLOR_DEPTH_32 ///< 32 bits per pixel
70 * @brief Create a new PixmapImage.
72 * Depending on hardware the width and height may have to be a power of two.
73 * @param[in] width The width of the image.
74 * @param[in] height The height of the image.
75 * @param[in] depth color depth of the pixmap
76 * @return A smart-pointer to a newly allocated image.
78 static PixmapImagePtr New( unsigned int width, unsigned int height, ColorDepth depth );
81 * @brief Create a new PixmapImage from an existing pixmap.
83 * @param[in] pixmap must be a X11 pixmap or a Ecore_X_Pixmap
84 * @return A smart-pointer to a newly allocated image.
86 static PixmapImagePtr New( Any pixmap );
89 * @brief Retrieve the internal pixmap
91 * @return pixmap any object containing the internal pixmap
96 * @brief Get a copy of the pixels used by PixmapImage.
98 * This is only supported for 24 bit RGB and 32 bit RGBA internal formats
99 * (COLOR_DEPTH_24 and COLOR_DEPTH_32).
100 * @param[out] pixbuf a vector to store the pixels in
101 * @param[out] width width of image
102 * @param[out] height height of image
103 * @param[out] pixelFormat pixel format used by image
104 * @return True if the pixels were gotten, and false otherwise.
106 bool GetPixels( std::vector<unsigned char>& pixbuf, unsigned int& width, unsigned int& height, Pixel::Format& pixelFormat ) const;
109 * @brief Convert the current pixel contents to either a JPEG or PNG format
110 * and write that to the filesytem.
112 * @param[in] filename Identify the filesytem location at which to write the
113 * encoded image. The extension determines the encoding used.
114 * The two valid encoding are (".jpeg"|".jpg") and ".png".
115 * @return True if the pixels were written, and false otherwise.
117 bool EncodeToFile(const std::string& filename) const;
119 private: // native image
122 * @copydoc Dali::NativeImageInterface::GlExtensionCreate()
124 virtual bool GlExtensionCreate();
127 * @copydoc Dali::NativeImageInterface::GlExtensionDestroy()
129 virtual void GlExtensionDestroy();
132 * @copydoc Dali::NativeImageInterface::TargetTexture()
134 virtual unsigned int TargetTexture();
137 * @copydoc Dali::NativeImageInterface::PrepareTexture()
139 virtual void PrepareTexture();
142 * @copydoc Dali::NativeImageInterface::GetWidth()
144 virtual unsigned int GetWidth() const;
147 * @copydoc Dali::NativeImageInterface::GetHeight()
149 virtual unsigned int GetHeight() const;
152 * @copydoc Dali::NativeImageInterface::RequiresBlending()
154 virtual bool RequiresBlending() const;
159 * @brief Private constructor
160 * @param[in] width The width of the image.
161 * @param[in] height The height of the image.
162 * @param[in] depth color depth of the pixmap
163 * @param[in] pixmap contains either: pixmap of type X11 Pixmap , a Ecore_X_Pixmap or is empty
165 DALI_INTERNAL PixmapImage( unsigned int width, unsigned int height, ColorDepth depth, Any pixmap );
168 * @brief A reference counted object may only be deleted by calling Unreference().
170 * The implementation should destroy the NativeImage resources.
172 DALI_INTERNAL virtual ~PixmapImage();
175 * @brief Undefined assignment operator.
177 * This avoids accidental calls to a default assignment operator.
178 * @param[in] rhs A reference to the object to copy.
180 DALI_INTERNAL PixmapImage& operator=(const PixmapImage& rhs);
184 Internal::Adaptor::PixmapImage* mImpl; ///< Implementation pointer
189 #endif // __DALI_PIXMAP_IMAGE_H__