X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git;a=blobdiff_plain;f=dali-toolkit%2Finternal%2Ftext%2Fvisual-model-impl.h;h=5aa90af4c37c5f7d978284cb3cfe95e57e39f3c7;hp=227019f2650c9782a961b7eb9960394ec16fbd11;hb=a2de9cf491172cd5da9dc9ed60b17683dab6d7bc;hpb=5064025f6246c31c82cd1531084b639ac9c3237d diff --git a/dali-toolkit/internal/text/visual-model-impl.h b/dali-toolkit/internal/text/visual-model-impl.h index 227019f..5aa90af 100644 --- a/dali-toolkit/internal/text/visual-model-impl.h +++ b/dali-toolkit/internal/text/visual-model-impl.h @@ -21,24 +21,23 @@ // EXTERNAL INCLUDES #include #include +#include #include #include // INTERNAL INCLUDES #include +#include namespace Dali { -struct Vector2; - namespace Toolkit { namespace Text { -struct LineRun; class VisualModel; typedef IntrusivePtr VisualModelPtr; @@ -63,43 +62,28 @@ public: // Glyph interface. /** - * @brief Replaces any glyphs previously set. - * - * @note If the number of glyphs is zero, all buffers are cleared. - * @note If one pointer is NULL and the number of glyphs is not zero, the buffer is not touched. - * - * @param[in] glyphs An array of glyphs in the visual order. - * @param[in] characterIndices An array containing the first character in the logical model that each glyph relates to. - * @param[in] charactersPerGlyph An array containing the number of characters per glyph. - * @param[in] numberOfGlyphs The number of glyphs. - */ - void SetGlyphs( const GlyphInfo* const glyphs, - const CharacterIndex* const characterIndices, - const Length* const charactersPerGlyph, - Length numberOfGlyphs ); - - /** * @brief Creates the character to glyph conversion table. * * @pre The glyphs per character table needs to be created first. * + * @param[in] startIndex The character from where the conversion table is created. + * @param[in] startGlyphIndex The glyph from where the conversion table is created. * @param[in] numberOfCharacters The number of characters. */ - void CreateCharacterToGlyphTable( Length numberOfCharacters = 0u ); + void CreateCharacterToGlyphTable( CharacterIndex startIndex, + GlyphIndex startGlyphIndex, + Length numberOfCharacters ); /** * @brief Creates an array containing the number of glyphs per character. * + * @param[in] startIndex The character from where the table is created. + * @param[in] startGlyphIndex The glyph from where the conversion table is created. * @param[in] numberOfCharacters The number of characters. */ - void CreateGlyphsPerCharacterTable( Length numberOfCharacters = 0u ); - - /** - * @brief Retrieves the number of glyphs. - * - * @return The number of glyphs. - */ - Length GetNumberOfGlyphs() const; + void CreateGlyphsPerCharacterTable( CharacterIndex startIndex, + GlyphIndex startGlyphIndex, + Length numberOfCharacters ); /** * @brief Retrieves glyphs in the given buffer. @@ -113,133 +97,9 @@ public: GlyphIndex glyphIndex, Length numberOfGlyphs ) const; - /** - * @brief Retrieves a glyph. - * - * @param[in] glyphIndex Index to a glyph. - * - * @return A glyph. - */ - const GlyphInfo& GetGlyphInfo( GlyphIndex glyphIndex ) const; - - /** - * @brief Replaces glyphs. - * - * If the @p numberOfGlyphsToRemove is zero, this operation is like an insert. - * If the @p numberOfGlyphsToInsert is zero, this operation is like a remove. - * - * @param[in] glyphIndex Where to replace the glyphs. - * @param[in] numberOfGlyphsToRemove The number of glyphs to be removed. - * @param[in] glyphs Pointer to a buffer with the new glyphs. - * @param[in] numberOfCharacters Pointer to a buffer with the number of characters per glyph. - * @param[in] numberOfGlyphsToInsert The number of new glyphs in the buffer. - */ - void ReplaceGlyphs( GlyphIndex glyphIndex, - Length numberOfGlyphsToRemove, - const GlyphInfo* const glyphs, - const Length* const numberOfCharacters, - Length numberOfGlyphsToInsert ); - - // Character <--> Glyph conversion - - /** - * @brief Retrieves the first character in the logical model which a glyph represents. - * - * @note After shaping several characters may be represented by the same glyph. - * Alternatively several glyphs may be required to display a character. - * @param[in] glyphIndex The glyph index. - * @return The character index. - */ - CharacterIndex GetCharacterIndex( GlyphIndex glyphIndex ) const; - - /** - * @brief Query the number of characters the glyph represents. - * - * @param[in] glyphIndex The glyph index. - * @return The number of characters represented by the glyph. - */ - Length GetCharactersPerGlyph( GlyphIndex glyphIndex ) const; - - /** - * @brief Retrieves the first glyph in the visual model which represents a given character. - * - * @note After shaping several characters may be represented by the same glyph. - * Alternatively several glyphs may be required to display a character. - * @param[in] characterIndex The character index. - * @return The glyph index. - */ - GlyphIndex GetGlyphIndex( CharacterIndex characterIndex ) const; - - /** - * @brief Retrieves the whole or part of the character to glyph conversion map. - * - * The size of the buffer needs to be big enough to copy the @p numberOfCharacters. - * - * @param[out] characterToGlyphMap Pointer to a buffer where the conversion map is copied. - * @param[in] characterIndex Index to the first character. - * @param[in] numberOfCharacters The number of characters. - */ - void GetCharacterToGlyphMap( GlyphIndex* characterToGlyphMap, - CharacterIndex characterIndex, - Length numberOfCharacters ) const; - - /** - * @brief Retrieves the whole or part of the glyph to character conversion map. - * - * The size of the buffer needs to be big enough to copy the @p numberOfGlyphs. - * - * @param[out] glyphToCharacter Pointer to a buffer where the conversion map is copied. - * @param[in] glyphIndex Index to the first glyph. - * @param[in] numberOfGlyphs The number of glyphs. - */ - void GetGlyphToCharacterMap( CharacterIndex* glyphToCharacter, - GlyphIndex glyphIndex, - Length numberOfGlyphs ) const; - - /** - * @brief Retrieves for each glyph the number of characters the glyph represents. - * - * @param[out] charactersPerGlyph Pointer to a buffer where the number of characters for each glyph are copied. - * @param[in] glyphIndex Index to the first glyph. - * @param[in] numberOfGlyphs The number of glyphs. - */ - void GetCharactersPerGlyphMap( Length* charactersPerGlyph, - GlyphIndex glyphIndex, - Length numberOfGlyphs ) const; - - /** - * @brief Retrieves for each character the number of glyphs the character is shaped. - * - * @param[out] glyphsPerCharacter Pointer to a buffer where the number of glyphs for each character are copied. - * @param[in] characterIndex Index to the first character. - * @param[in] numberOfCharacters The number of characters. - */ - void GetGlyphsPerCharacterMap( Length* glyphsPerCharacter, - CharacterIndex characterIndex, - Length numberOfCharacters ) const; - // Position interface /** - * @brief Replaces any glyph positions previously set. - * - * @note If the number of glyphs is zero the position buffer is cleared. - * - * @param[in] glyphPositions An array of visual positions for each glyph. - * @param[in] numberOfGlyphs The number of positions. - */ - void SetGlyphPositions( const Vector2* const glyphPositions, - Length numberOfGlyphs ); - - /** - * @brief Retrieves the number of glyph positions set. - * - * @note This may be less than the number of glyphs in the model. - * @return The number of glyphs. - */ - Length GetNumberOfGlyphPositions() const; - - /** * @brief Retrieves the glyph positions. * * @pre The size of the @p positions buffer needs to be big enough to copy the @p numberOfGlyphs positions. @@ -251,69 +111,9 @@ public: GlyphIndex glyphIndex, Length numberOfGlyphs ) const; - /** - * @brief Retrieve the glyph's position of the given glyph. - * - * @param[in] glyphIndex Index to the glyph. - * - * @return The glyph's position. - */ - const Vector2& GetGlyphPosition( GlyphIndex glyphIndex ) const; - - /** - * @brief Replaces glyph's positions. - * - * If the @p numberOfGlyphsToRemove is zero, this operation is like an insert. - * If the @p numberOfGlyphsToInsert is zero, this operation is like a remove. - * - * @param[in] glyphIndex Where to replace the glyph's positions. - * @param[in] numberOfGlyphsToRemove The number of glyph's positions to be removed. - * @param[in] positions Pointer to a buffer with the new glyph's positions. - * @param[in] numberOfGlyphsToInsert The number of new glyph's positions in the buffer. - */ - void ReplaceGlyphPositions( GlyphIndex glyphIndex, - Length numberOfGlyphsToRemove, - const Vector2* const positions, - Length numberOfGlyphsToInsert ); - // Line interface. /** - * @brief Sets the lines. - * - * Replaces any lines previously set. - * - * Every line is an item run containing the index to the first glyph of the line and the number of glyphs. - * - * @note If the number of lines is zero or the pointer is NULL, the lines buffer is cleared. - * - * @param[in] lines Pointer to a buffer containing all the line runs. - * @param[in] numberOfLines The number of lines in the buffer. - */ - void SetLines( const LineRun* const lines, - Length numberOfLines ); - - /** - * @brief Retrieves the number of lines of the whole text. - * - * @return The number of lines. - */ - Length GetNumberOfLines() const; - - /** - * @brief Retrieves lines. - * - * The size of the @p lines buffer needs to be big enough to copy the @p numberOfLines. - * - * @param[out] lines Pointer to a buffer where the lines are copied. - * @param[in] lineIndex Index to the first line. - * @param[in] numberOfLines Number of lines to be copied. - */ - void GetLines( LineRun* lines, - LineIndex lineIndex, - Length numberOfLines ) const; - - /** * @brief Retrieves the number of lines and the index to the first line where the given range of glyphs is laid out. * * @param[in] glyphIndex Index to the first glyph. @@ -325,6 +125,7 @@ public: Length numberOfGlyphs, LineIndex& firstLine, Length& numberOfLines ) const; + /** * @brief Retrieves the lines where the given range of glyphs is laid out. * @@ -339,15 +140,6 @@ public: Length numberOfGlyphs ) const; /** - * @brief Retrieves the line index where the glyph is laid-out. - * - * @param[in] glyphIndex The glyph's index. - * - * @return The line index. - */ - LineIndex GetLineOfGlyph( GlyphIndex glyphIndex ); - - /** * @brief Retrieves the line index where the character is laid-out. * * @param[in] characterIndex The character's index. @@ -356,21 +148,18 @@ public: */ LineIndex GetLineOfCharacter( CharacterIndex characterIndex ); + // Underline runs + /** - * @brief Replaces lines for the given range of glyphs. + * @brief Retrieves the underline runs. * - * If the @p numberOfGlyphsToRemove is zero, this operation is like an insert. - * If the @p numberOfGlyphsToInsert is zero, this operation is like a remove. - * - * @param[in] glyphIndex Index of the first glyph where to replace the line info. - * @param[in] numberOfGlyphsToRemove The number of glyphs to be the line info removed. - * @param[in] lines Pointer to a buffer with the lines. - * @param[in] numberOfGlyphsToInsert The number of characters to be the line info inserted. + * @param[out] underlineRuns Pointer to a buffer where the underline runs are copied. + * @param[in] index Index of the first underline run to be copied. + * @param[in] numberOfRuns Number of underline runs to be copied. */ - void ReplaceLines( GlyphIndex glyphIndex, - Length numberOfGlyphsToRemove, - const LineRun* const lines, - Length numberOfGlyphsToInsert ); + void GetUnderlineRuns( GlyphRun* underlineRuns, + UnderlineRunIndex index, + Length numberOfRuns ) const; // Size interface @@ -389,18 +178,18 @@ public: const Vector2& GetNaturalSize() const; /** - * @brief Sets the text's actual size after it has been laid out. + * @brief Sets the text's layout size. * * @param[in] size The text's size. */ - void SetActualSize( const Vector2& size ); + void SetLayoutSize( const Vector2& size ); /** - * @brief Retrieves the text's actual size after it has been laid out. + * @brief Retrieves the text's layout size. * * @return The text's size. */ - const Vector2& GetActualSize() const; + const Vector2& GetLayoutSize() const; /** * @brief Set the text's color @@ -520,19 +309,20 @@ public: Vector mGlyphsPerCharacter; ///< For each character, the number of glyphs that are shaped. Vector mGlyphPositions; ///< For each glyph, the position. Vector mLines; ///< The laid out lines. + Vector mUnderlineRuns; ///< Runs of glyphs that are underlined. + Vector mColorRuns; ///< Runs of glyphs with the same color. + Vector2 mControlSize; ///< The size of the UI control the decorator is adding it's decorations to. Vector4 mTextColor; ///< The text color Vector4 mShadowColor; ///< Color of drop shadow Vector4 mUnderlineColor; ///< Color of underline Vector2 mShadowOffset; ///< Offset for drop shadow, 0 indicates no shadow float mUnderlineHeight; ///< Fixed height for underline to override font metrics. - - private: Size mNaturalSize; ///< Size of the text with no line wrapping. - Size mActualSize; ///< Size of the laid-out text considering the layout properties set. + Size mLayoutSize; ///< Size of the laid-out text considering the layout properties set. // Caches to increase performance in some consecutive operations. LineIndex mCachedLineIndex; ///< Used to increase performance in consecutive calls to GetLineOfGlyph() or GetLineOfCharacter() with consecutive glyphs or characters.