X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=dali%2Fintegration-api%2Fplatform-abstraction.h;h=7a41087c3c2a62a45a6521ed572285e1abfe4790;hb=c2605260e4a76ab1fda23bea51002f5228d8c88b;hp=a5111a78c3d56c6ebdea7082999bc49fa77a9e1e;hpb=dcaa0851afa012f5c6e0f01cf2318772a9201655;p=platform%2Fcore%2Fuifw%2Fdali-core.git diff --git a/dali/integration-api/platform-abstraction.h b/dali/integration-api/platform-abstraction.h index a5111a7..7a41087 100644 --- a/dali/integration-api/platform-abstraction.h +++ b/dali/integration-api/platform-abstraction.h @@ -2,7 +2,7 @@ #define __DALI_INTEGRATION_PLATFORM_ABSTRACTION_H__ /* - * Copyright (c) 2014 Samsung Electronics Co., Ltd. + * Copyright (c) 2017 Samsung Electronics Co., Ltd. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -19,19 +19,19 @@ */ // INTERNAL INCLUDES -#include -#include -#include + +#include +#include +#include +#include namespace Dali { namespace Integration { - -class Bitmap; -class DynamicsFactory; - +typedef unsigned int ResourceId; +typedef IntrusivePtr ResourcePointer; /** * PlatformAbstraction is an abstract interface, used by Dali to access platform specific services. @@ -42,80 +42,55 @@ class PlatformAbstraction { public: - virtual ~PlatformAbstraction() {} - - // Dali Lifecycle - - /** - * Get the monotonic time since an unspecified reference point. - * This is used by Dali to calculate time intervals during animations; the interval is - * recalculated when Dali is resumed with Dali::Integration::Core::Resume(). - * Multi-threading note: this method may be called from either the main or rendering thread. - * @param[out] seconds The time in seconds since the reference point. - * @param[out] microSeconds The remainder in microseconds. - */ - virtual void GetTimeMicroseconds(unsigned int& seconds, unsigned int& microSeconds) = 0; - - /** - * Tell the platform abstraction that Dali is ready to pause, such as when the - * application enters a background state. - * Allows background threads to pause their work until Resume() is called. - * This is a good time to release recreatable data such as memory caches - * to cooperate with other apps and reduce the chance of this one being - * force-killed in a low memory situation. - */ - virtual void Suspend() {} ///!ToDo: Make pure virtual once dali-adaptor patch is in place = 0; - - /** - * Tell the platform abstraction that Dali is resuming from a pause, such as - * when it has transitioned from a background state to a foreground one. - * It is time to wake up sleeping background threads and recreate memory - * caches and other temporary data. - */ - virtual void Resume() {} ///!ToDo: Make pure virtual once dali-adaptor patch is in place = 0; - // Resource Loading /** - * Determine the size of an image the resource loaders will provide when given the same - * image attributes. + * @brief Determine the size of an image the resource loaders will provide when + * given the same image loading parameters. + * * This is a synchronous request. * This function is used to determine the size of an image before it has loaded. * @param[in] filename name of the image. - * @param[in] attributes The attributes used to load the image - * @param[out] closestSize Size of the image that will be loaded. + * @param[in] size The requested size for the image. + * @param[in] fittingMode The method to use to map the source image to the desired + * dimensions. + * @param[in] samplingMode The image filter to use if the image needs to be + * downsampled to the requested size. + * @param[in] orientationCorrection Whether to use image metadata to rotate or + * flip the image, e.g., from portrait to landscape. + * @return dimensions that image will have if it is loaded with given parameters. */ - virtual void GetClosestImageSize( const std::string& filename, - const ImageAttributes& attributes, - Vector2& closestSize ) = 0; + virtual ImageDimensions GetClosestImageSize( const std::string& filename, + ImageDimensions size = ImageDimensions( 0, 0 ), + FittingMode::Type fittingMode = FittingMode::SHRINK_TO_FIT, + SamplingMode::Type samplingMode = SamplingMode::BOX, + bool orientationCorrection = true) = 0; /** - * Determine the size of an image the resource loaders will provide when given the same - * image attributes. + * @brief Determine the size of an image the resource loaders will provide when + * given the same image loading parameters. + * * This is a synchronous request. * This function is used to determine the size of an image before it has loaded. - * @param[in] resourceBuffer A pointer to an encoded image buffer - * @param[in] attributes The attributes used to load the image - * @param[out] closestSize Size of the image that will be loaded. - */ - virtual void GetClosestImageSize( ResourcePointer resourceBuffer, - const ImageAttributes& attributes, - Vector2& closestSize ) = 0; - - /** - * Request a resource from the native filesystem. This is an asynchronous request. - * After this method returns, FillResourceCache() will be called to retrieve the result(s) of the - * resource loading operation. Loading resources in separate worker thread is recommended. - * Multi-threading note: this method will be called from the main thread only i.e. not - * from within the Core::Render() method. - * @param[in] request A unique resource request. This is not guaranteed to survive after LoadResource - * returns; the loading process should take a copy. + * @param[in] filename name of the image. + * @param[in] size The requested size for the image. + * @param[in] fittingMode The method to use to map the source image to the desired + * dimensions. + * @param[in] samplingMode The image filter to use if the image needs to be + * downsampled to the requested size. + * @param[in] orientationCorrection Whether to use image metadata to rotate or + * flip the image, e.g., from portrait to landscape. + * @return dimensions that image will have if it is loaded with given parameters. */ - virtual void LoadResource(const ResourceRequest& request) = 0; + virtual ImageDimensions GetClosestImageSize( ResourcePointer resourceBuffer, + ImageDimensions size = ImageDimensions( 0, 0 ), + FittingMode::Type fittingMode = FittingMode::SHRINK_TO_FIT, + SamplingMode::Type samplingMode = SamplingMode::BOX, + bool orientationCorrection = true) = 0; /** - * Request a resource from the native filesystem. This is a synchronous request, i.e. - * it will block the main loop whilst executing. It should therefore be used sparingly. + * Request an image from the native filesystem. This is a synchronous request, i.e. + * it will block the main loop whilst executing. * * Multi-threading note: this method will be called from the main thread only i.e. not * from within the Core::Render() method. @@ -123,282 +98,41 @@ public: * @param[in] resourcePath The path to the resource * @return A pointer to a ref-counted resource */ - virtual ResourcePointer LoadResourceSynchronously( const ResourceType& resourceType, const std::string& resourcePath ) = 0; - - /** - * Request that a resource be saved to the native filesystem. - * This is an asynchronous request. - */ - virtual void SaveResource(const ResourceRequest& request) = 0; - /** - * Cancel an ongoing LoadResource() request. - * Multi-threading note: this method will be called from the main thread only i.e. not - * from within the Core::Render() method. - * @param[in] id The ID of the resource to cancel. - * @param[in] typeId The ID type of the resource to cancel. - */ - virtual void CancelLoad(ResourceId id, ResourceTypeId typeId) = 0; - - /** - * Query whether any asynchronous LoadResource() requests are ongoing. - * Multi-threading note: this method may be called from either the main or rendering thread. - * @return True if resources are being loaded. - */ - virtual bool IsLoading() = 0; - - /** - * Retrieve newly loaded resources. - * If no resources have finished loading, then this method returns immediately. - * Multi-threading note: this method will be called from the update thread, from within - * the UpdateManager::Update() method. - * @param[in] cache The resource cache to fill. - */ - virtual void GetResources(ResourceCache& cache) = 0; - - /** - * Waits for the asynchronous loader threads (if any) to finish. - * This will be only be called before Core destruction; no resource loading requests will be - * made following this method. - */ - virtual void JoinLoaderThreads() = 0; - - // Font Queries - - /** - * Called by Dali to retrieve the default font family for the platform. - * Multi-threading note: this method will be called from the main thread only i.e. not - * from within the Core::Render() method. - * @return The default font family. - */ - virtual const std::string& GetDefaultFontFamily() const = 0; - - /** - * Called by Dali to retrieve the default font size for the platform in points. - * Multi-threading note: this method will be called from the main thread only i.e. not - * from within the Core::Render() method. - * @return The default font size. - */ - virtual float GetDefaultFontSize() const = 0; - - /** - * Gets a font line height to match a given caps-height - * - * @note fontFamily and fontStyle must have been validated previously. - * @see ValidateFontFamilyName(). - * - * @param[in] fontFamily The name of the font's family - * @param[in] fontStyle The style of the font - * @param[in] capsHeight The caps-height in pixels - */ - virtual PixelSize GetFontLineHeightFromCapsHeight(const std::string& fontFamily, const std::string& fontStyle, CapsHeight capsHeight) const = 0; - - /** - * Called by Font objects to synchronously query glyph data. - * - * @note fontFamily and font style, included in the resource request, must have been validated previously. - * @see ValidateFontFamilyName(). - * - * @note Font's style goes inside the textRequest parameter - * @param[in] textRequest Resource request. Includes font's style. - * @param[in] fontFamily The name of the font's family - * @param[in] getBitmap Whether to load bitmaps for the symbols as well - * @return A GlyphSet pointer with a list of the requested glyph metrics. - */ - virtual Integration::GlyphSet* GetGlyphData ( const Integration::TextResourceType& textRequest, - const std::string& fontFamily, - bool getBitmap) const = 0; + virtual ResourcePointer LoadImageSynchronously( const BitmapResourceType& resourceType, const std::string& resourcePath ) = 0; /** - * Called by GlyphResourceManager to synchronously load glyph data. - * - * @note fontFamily and font style, included in the resource request, must have been validated previously. - * @see ValidateFontFamilyName(). - * - * @param[in] textRequest resource request - * @param[in] fontFamily name of the font's family - * @return A GlyphSet pointer containing the requested glyph bitmaps. - */ - virtual Integration::GlyphSet* GetCachedGlyphData( const TextResourceType& textRequest, - const std::string& fontFamily ) const = 0; - - /** - * Called by Font objects to synchronously query global font metrics. - * - * @note fontFamily and fontStyle, must have been validated previously. - * @see ValidateFontFamilyName(). - * - * @param[in] fontFamily The name of the font's family - * @param[in] fontStyle The style of the font - * @param[out] globalMetrics font requested global metrics. - */ - virtual void GetGlobalMetrics( const std::string& fontFamily, - const std::string& fontStyle, - Integration::GlobalMetrics& globalMetrics ) const = 0; - - /** - * Sets horizontal and vertical pixels per inch value that is used by the display - * @param[in] dpiHorizontal horizontal dpi value - * @param[in] dpiVertical vertical dpi value - */ - virtual void SetDpi (unsigned int dpiHorizontal, unsigned int dpiVertical) = 0; - - /** - * Returns the name of the font's family for displayed text. - * If possible, the returned font name should be able to display all characters in text. - * Otherwise returns closest match. - * @param[in] charsRequested displayed text - */ - virtual const std::string& GetFontFamilyForChars(const TextArray& charsRequested) const = 0; - - /** - * Checks whether all characters of text could be displayed with specified font family. - * - * @note fontFamily and fontStyle must have been validated previously. - * @see ValidateFontFamilyName(). + * Decode a buffer of data synchronously. + * @param[in] resourceType The type of resource to load + * @param[in] buffer The decoded data + * @param[in] bufferSize The size of the buffer used by the decoded data. * - * @param[in] fontFamily The name of the font's family - * @param[in] fontStyle The style of the font - * @param[in] text displayed text - */ - virtual bool AllGlyphsSupported(const std::string& fontFamily, const std::string& fontStyle, const TextArray& text) const = 0; - - /** - * Checks whether fontName is a valid font family name and fontStyle is a valid font style. - * closestFontFamilyMatch and closestFontStyleMatch are always set to the best matching font - * or the system default font if no near match is detected. - * @param[in] fontFamily The name of the font's family - * @param[in] fontStyle The style of the font - * @param[out] isDefaultSystemFont Whether this font has been created with a default system font. - * @param[out] closestFontFamilyMatch Name of the font's family found based on the user input family's name - * @param[out] closestFontStyleMatch Name of the font's style found based on the user input font's style - * @return Whether a valid match has been found. + * @return A pointer to the decoded buffer. */ - virtual bool ValidateFontFamilyName(const std::string& fontFamily, const std::string& fontStyle, bool& isDefaultSystemFont, std::string& closestFontFamilyMatch, std::string& closestFontStyleMatch) const = 0; + virtual BitmapPtr DecodeBuffer( const BitmapResourceType& resourceType, uint8_t * buffer, size_t bufferSize ) = 0; /** - * The mode for GetFontList() - */ - enum FontListMode - { - LIST_SYSTEM_FONTS, - LIST_APPLICATION_FONTS, - LIST_ALL_FONTS - }; - - /** - * Gets a list of fonts installed on the system. - * @param[in] mode which fonts to include in the list. - * @param[out] fontList The list of font family names. - */ - virtual void GetFontList( FontListMode mode, std::vector& fontList ) const = 0; - - /** - * Load a file into a buffer - * @param[in] filename The filename to load + * Load a shader binary file into a buffer + * @param[in] filename The shader binary filename to load * @param[out] buffer A buffer to receive the file. - * The buffer is implemeneted with a std::vector which is resized to fit the file. * @result true if the file is loaded. */ - virtual bool LoadFile( const std::string& filename, std::vector< unsigned char >& buffer ) const = 0; + virtual bool LoadShaderBinaryFile( const std::string& filename, Dali::Vector< unsigned char >& buffer ) const = 0; /** - * Load a file into a buffer - * @param[in] filename The filename to save - * @param[out] buffer A buffer containing some data - * The buffer is implemeneted with a std::vector. The size() member specifies the buffer length. - * @result true if the file is saved. + * Save a shader binary file to the resource file system. + * @param[in] filename The shader binary filename to save to. + * @param[in] buffer A buffer to write the file from. + * @param[in] numbytes Size of the buffer. + * @result true if the file is saved, else false. */ - virtual bool SaveFile(const std::string& filename, std::vector< unsigned char >& buffer) const = 0; + virtual bool SaveShaderBinaryFile( const std::string& filename, const unsigned char * buffer, unsigned int numBytes ) const = 0; - /** - * This method re-loads the device defaults that Dali uses. Adaptor will call this - * when devices settings change. - */ - virtual void UpdateDefaultsFromDevice() = 0; +protected: /** - * Get a pointer to the DynamicsFactory. + * Virtual destructor. */ - virtual DynamicsFactory* GetDynamicsFactory() = 0; - - /** - * Read from the metrics cache into the global metrics parameter - * - * @note fontFamily and fontStyle must have been validated previously. - * @see ValidateFontFamilyName(). - * - * @param[in] fontFamily The name of the font family - * @param[in] fontStyle The name of the font style - * @param[out] globalMetrics The data store to write into - * @return \e true if the operation succeeded - */ - virtual bool ReadGlobalMetricsFromCache( const std::string& fontFamily, - const std::string& fontStyle, - Integration::GlobalMetrics& globalMetrics ) = 0; - - /** - * - * @note fontFamily and fontStyle must have been validated previously. - * @see ValidateFontFamilyName(). - * - * Write the global metrics parameter to the metrics cache - * @param[in] fontFamily The name of the font family - * @param[in] fontStyle The name of the font style - * @param[out] globalMetrics The data store to write - */ - virtual void WriteGlobalMetricsToCache( const std::string& fontFamily, - const std::string& fontStyle, - const Integration::GlobalMetrics& globalMetrics ) = 0; - - /** - * Read the metrics from the cache into the supplied vector - * - * @note fontFamily and fontStyle must have been validated previously. - * @see ValidateFontFamilyName(). - * - * @param[in] fontFamily The name of the font family - * @param[in] fontStyle The name of the font style - * @param[out] glyphMetricsContainer The vector of metrics to write - * @return true if the operation succeeded - */ - virtual bool ReadMetricsFromCache( const std::string& fontFamily, - const std::string& fontStyle, - std::vector& glyphMetricsContainer ) = 0; - - /** - * Write the metrics to the cache - * - * @note fontFamily and fontStyle must have been validated previously. - * @see ValidateFontFamilyName(). - * - * @param[in] fontFamily The name of the font family - * @param[in] fontStyle The name of the font style - * @param[in] glyphSet The set of metrics to write - */ - virtual void WriteMetricsToCache( const std::string& fontFamily, - const std::string& fontStyle, - const Integration::GlyphSet& glyphSet ) = 0; - - /** - * Retrieves file names from the given directory. - * - * @param[in] directoryName The directory name. - * @param[out] fileNames The file names in the given directory. - */ - virtual void GetFileNamesFromDirectory( const std::string& directoryName, - std::vector& fileNames ) = 0; - - /** - * Retrieves the glyph image which represents the character. - * - * @param[in] fontFamily The font's family name. - * @param[in] fontStyle The font's style. - * @param[in] fontSize The font's size (in points). - * @param[in] character The given character. - * - * @return A bitmap representing the character. - */ - virtual Integration::BitmapPtr GetGlyphImage( const std::string& fontFamily, const std::string& fontStyle, float fontSize, uint32_t character ) const = 0; + virtual ~PlatformAbstraction() {} }; // class PlatformAbstraction