1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef _SVTOOLS_SCRIPTEDTEXT_HXX 25 #define _SVTOOLS_SCRIPTEDTEXT_HXX 26 27 #include "svtools/svtdllapi.h" 28 #include <tools/gen.hxx> 29 #include <com/sun/star/i18n/XBreakIterator.hpp> 30 31 32 namespace rtl { class OUString; } 33 class OutputDevice; 34 class Font; 35 class SvtScriptedTextHelper_Impl; 36 37 38 //_____________________________________________________________________________ 39 40 /** 41 This class provides drawing text with different script types on any output devices. 42 */ 43 class SVT_DLLPUBLIC SvtScriptedTextHelper 44 { 45 private: 46 SvtScriptedTextHelper_Impl* mpImpl; /// Implementation of class functionality. 47 48 /** Assignment operator not implemented to prevent usage. */ 49 SvtScriptedTextHelper& operator=( const SvtScriptedTextHelper& ); 50 51 public: 52 /** Constructor sets an output device and no fonts. 53 @param _rOutDevice 54 A reference to an output device. */ 55 SvtScriptedTextHelper( OutputDevice& _rOutDevice ); 56 57 /** Constructor sets an output device and fonts for all script types. 58 @param _rOutDevice 59 A reference to an output device. 60 @param _pLatinFont 61 The font for latin characters. 62 @param _pAsianFont 63 The font for asian characters. 64 @param _pCmplxFont 65 The font for complex text layout. */ 66 SvtScriptedTextHelper( 67 OutputDevice& _rOutDevice, 68 Font* _pLatinFont, 69 Font* _pAsianFont, 70 Font* _pCmplxFont ); 71 72 /** Copy constructor. */ 73 SvtScriptedTextHelper( 74 const SvtScriptedTextHelper& _rCopy ); 75 76 /** Destructor. */ 77 virtual ~SvtScriptedTextHelper(); 78 79 /** Sets new fonts and recalculates the text width. 80 @param _pLatinFont 81 The font for latin characters. 82 @param _pAsianFont 83 The font for asian characters. 84 @param _pCmplxFont 85 The font for complex text layout. */ 86 void SetFonts( Font* _pLatinFont, Font* _pAsianFont, Font* _pCmplxFont ); 87 88 /** Sets the default font of the current output device to all script types. */ 89 void SetDefaultFont(); 90 91 /** Sets a new text and calculates all script breaks and the text width. 92 @param _rText 93 The new text. 94 @param _xBreakIter 95 The break iterator for iterating through the script portions. */ 96 void SetText( 97 const ::rtl::OUString& _rText, 98 const ::com::sun::star::uno::Reference< ::com::sun::star::i18n::XBreakIterator >& _xBreakIter ); 99 100 /** Returns the previously set text. 101 @return The current text. */ 102 const ::rtl::OUString& GetText() const; 103 104 /** Returns the calculated width the text will take in the current output device. 105 @return The calculated text width. */ 106 sal_Int32 GetTextWidth() const; 107 108 /** Returns the maximum height the text will take in the current output device. 109 @return The maximum text height. */ 110 sal_Int32 GetTextHeight() const; 111 112 /** Returns a size struct containing the width and height of the text in the current output device. 113 @return A size struct with the text dimensions. */ 114 const Size& GetTextSize() const; 115 116 /** Draws the text in the current output device. 117 @param _rPos 118 The position of the top left edge of the text. */ 119 void DrawText( const Point& _rPos ); 120 }; 121 122 //_____________________________________________________________________________ 123 124 #endif 125 126