1 /* ------------------------------------------------------------------ 2 * Copyright (C) 1998-2009 PacketVideo 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 13 * express or implied. 14 * See the License for the specific language governing permissions 15 * and limitations under the License. 16 * ------------------------------------------------------------------- 17 */ 18 /*********************************************************************************/ 19 /* ------------------------------------------------------------------- */ 20 /* MPEG-4 TextSampleEntry Class */ 21 /* ------------------------------------------------------------------- */ 22 /*********************************************************************************/ 23 /* 24 This TextSampleEntry Class is used for text streams. 25 */ 26 27 28 #ifndef TEXTSAMPLEENTRY_H_INCLUDED 29 #define TEXTSAMPLEENTRY_H_INCLUDED 30 31 #ifndef OSCL_FILE_IO_H_INCLUDED 32 #include "oscl_file_io.h" 33 #endif 34 35 #ifndef SAMPLEENTRY_H_INCLUDED 36 #include "sampleentry.h" 37 #endif 38 39 #define MAX_TEXT_SAMPLE_SIZE 2048 40 41 class BoxRecord; 42 class FontRecord; 43 class StyleRecord; 44 class FontTableAtom; 45 46 class TextSampleEntry : public SampleEntry 47 { 48 49 public: 50 OSCL_IMPORT_REF TextSampleEntry(MP4_FF_FILE *fp, uint32 size, uint32 type); 51 OSCL_IMPORT_REF virtual ~TextSampleEntry(); // Destructor 52 getDisplayFlags()53 uint32 getDisplayFlags() 54 { 55 return _displayFlags; 56 } 57 getHorzJustification()58 int8 getHorzJustification() 59 { 60 return _horzJustification; 61 } 62 getVertJustification()63 int8 getVertJustification() 64 { 65 return _vertJustification; 66 } 67 getBackgroundColourRGBA()68 uint8 *getBackgroundColourRGBA() 69 { 70 return _pBackgroundRGBA; 71 } 72 getMaxBufferSizeDB()73 virtual uint32 getMaxBufferSizeDB() const 74 { 75 return MAX_TEXT_SAMPLE_SIZE; 76 } 77 78 OSCL_IMPORT_REF int16 getBoxTop(); 79 OSCL_IMPORT_REF int16 getBoxLeft(); 80 OSCL_IMPORT_REF int16 getBoxBottom(); 81 OSCL_IMPORT_REF int16 getBoxRight(); 82 83 OSCL_IMPORT_REF uint16 getStartChar() ; 84 OSCL_IMPORT_REF uint16 getEndChar() ; 85 OSCL_IMPORT_REF uint16 getFontID(); 86 OSCL_IMPORT_REF uint8 getFontStyleFlags() ; 87 OSCL_IMPORT_REF uint8 getfontSize(); 88 OSCL_IMPORT_REF uint8 *getTextColourRGBA(); 89 OSCL_IMPORT_REF uint16 getFontListSize(); 90 OSCL_IMPORT_REF FontRecord *getFontRecordAt(uint16 index) ; 91 92 virtual uint8 getObjectTypeIndication() const; 93 94 private: 95 uint32 _displayFlags; 96 int8 _horzJustification; 97 int8 _vertJustification; 98 uint8 *_pBackgroundRGBA; 99 BoxRecord *_pBoxRecord; 100 StyleRecord *_pStyleRecord; 101 FontTableAtom *_pFontTableAtom; 102 }; 103 104 105 #endif // TEXTSAMPLEENTRY_H_INCLUDED 106 107 108