X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=dali-toolkit%2Finternal%2Ftext%2Flayouts%2Flayout-engine.h;h=66525d146cdc74fb67cb0db684e99189e7774ab1;hb=refs%2Fchanges%2F97%2F153897%2F12;hp=79daa2386349162673a49988497f48c81119807a;hpb=aeef40d5dd70c7d878c7664986913ef2c6675a03;p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git diff --git a/dali-toolkit/internal/text/layouts/layout-engine.h b/dali-toolkit/internal/text/layouts/layout-engine.h index 79daa23..66525d1 100644 --- a/dali-toolkit/internal/text/layouts/layout-engine.h +++ b/dali-toolkit/internal/text/layouts/layout-engine.h @@ -1,8 +1,8 @@ -#ifndef __DALI_TOOLKIT_TEXT_LAYOUT_ENGINE_H__ -#define __DALI_TOOLKIT_TEXT_LAYOUT_ENGINE_H__ +#ifndef DALI_TOOLKIT_TEXT_LAYOUT_ENGINE_H +#define DALI_TOOLKIT_TEXT_LAYOUT_ENGINE_H /* - * Copyright (c) 2015 Samsung Electronics Co., Ltd. + * Copyright (c) 2016 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. @@ -23,6 +23,7 @@ #include // INTERNAL INCLUDE +#include #include #include @@ -35,44 +36,33 @@ namespace Toolkit namespace Text { -struct LayoutParameters; +namespace Layout +{ + +struct Parameters; /** * @brief LayoutEngine is responsible for calculating the visual position of glyphs in layout. */ -class LayoutEngine +class Engine { public: - enum Layout + enum Type { SINGLE_LINE_BOX, MULTI_LINE_BOX }; - enum HorizontalAlignment - { - HORIZONTAL_ALIGN_BEGIN, - HORIZONTAL_ALIGN_CENTER, - HORIZONTAL_ALIGN_END - }; - - enum VerticalAlignment - { - VERTICAL_ALIGN_TOP, - VERTICAL_ALIGN_CENTER, - VERTICAL_ALIGN_BOTTOM - }; - /** * @brief Create a new instance of a LayoutEngine. */ - LayoutEngine(); + Engine(); /** * @brief Virtual destructor. */ - ~LayoutEngine(); + ~Engine(); /** * @brief Provide the wrapper around FontClient used to get metrics @@ -86,54 +76,14 @@ public: * * @param[in] layout The required layout. */ - void SetLayout( Layout layout ); + void SetLayout( Type layout ); /** * @brief Query the required layout. * * @return The required layout. */ - Layout GetLayout() const; - - /** - * @brief Enable or disable the text ellipsis. - * - * @param[in] enabled Whether to enable the text ellipsis. - */ - void SetTextEllipsisEnabled( bool enabled ); - - /** - * @return Whether the text ellipsis is enabled. - */ - bool GetTextEllipsisEnabled() const; - - /** - * @brief Choose the required text horizontal alignment. - * - * @param[in] alignment The required alignment. - */ - void SetHorizontalAlignment( HorizontalAlignment alignment ); - - /** - * @brief Query the required text horizontal alignment. - * - * @return The required alignment. - */ - HorizontalAlignment GetHorizontalAlignment() const; - - /** - * @brief Choose the required text vertical alignment. - * - * @param[in] alignment The required alignment. - */ - void SetVerticalAlignment( VerticalAlignment alignment ); - - /** - * @brief Query the required text vertical alignment. - * - * @return The required alignment. - */ - VerticalAlignment GetVerticalAlignment() const; + Type GetLayout() const; /** * @brief Sets the width of the cursor. @@ -156,13 +106,15 @@ public: * @param[out] glyphPositions The positions of all the glyphs. * @param[out] lines The laid-out lines. * @param[out] layoutSize The size of the text after it has been laid-out. + * @param[in] elideTextEnabled Whether the text elide is enabled. * * @return \e true if the text has been re-laid-out. \e false means the given width is too small to layout even a single character. */ - bool LayoutText( const LayoutParameters& layoutParameters, + bool LayoutText( const Parameters& layoutParameters, Vector& glyphPositions, Vector& lines, - Size& layoutSize ); + Size& layoutSize, + bool elideTextEnabled ); /** * @brief Re-lays out those lines with right to left characters. @@ -174,7 +126,7 @@ public: * @param[in] numberOfCharacters The number of characters. * @param[in,out] glyphPositions The positions of all the glyphs. */ - void ReLayoutRightToLeftLines( const LayoutParameters& layoutParameters, + void ReLayoutRightToLeftLines( const Parameters& layoutParameters, CharacterIndex startIndex, Length numberOfCharacters, Vector& glyphPositions ); @@ -185,12 +137,16 @@ public: * @param[in] size The size of the container where the text is laid-out. * @param[in] startIndex Character index of the line from where the lines are aligned. * @param[in] numberOfCharacters The number of characters. + * @param[in] horizontalAlignment The horizontal alignment. * @param[in,out] lines The laid-out lines. + * @param[out] alignmentOffset The alignment offset. */ void Align( const Size& size, CharacterIndex startIndex, Length numberOfCharacters, - Vector& lines ); + Text::HorizontalAlignment::Type horizontalAlignment, + Vector& lines, + float& alignmentOffset ); /** * @brief Sets the default line spacing. @@ -209,20 +165,23 @@ public: private: // Undefined - LayoutEngine( const LayoutEngine& handle ); + Engine( const Engine& handle ); // Undefined - LayoutEngine& operator=( const LayoutEngine& handle ); + Engine& operator=( const Engine& handle ); private: struct Impl; Impl* mImpl; }; + +} // namespace Layout + } // namespace Text } // namespace Toolkit } // namespace Dali -#endif // __DALI_TOOLKIT_TEXT_LAYOUT_ENGINE_H__ +#endif // DALI_TOOLKIT_TEXT_LAYOUT_ENGINE_H