1 /*
2 *******************************************************************************
3 *
4 * © 2016 and later: Unicode, Inc. and others.
5 * License & terms of use: http://www.unicode.org/copyright.html
6 *
7 *******************************************************************************
8 *******************************************************************************
9 *
10 * Copyright (C) 1999-2007, International Business Machines
11 * Corporation and others. All Rights Reserved.
12 *
13 *******************************************************************************
14 * file name: Paragraph.h
15 *
16 * created on: 09/06/2000
17 * created by: Eric R. Mader
18 */
19 #ifndef __PARAGRAPH_H
20 #define __PARAGRAPH_H
21
22 #include "unicode/utypes.h"
23 #include "unicode/ubidi.h"
24
25 #include "layout/LEFontInstance.h"
26 #include "layout/ParagraphLayout.h"
27
28 #include "GUISupport.h"
29 #include "RenderingSurface.h"
30
31 U_NAMESPACE_USE
32
33 #define MARGIN 10
34
35 #if 0
36 class LineInfo;
37 #endif
38
39 class Paragraph
40 {
41 public:
42 Paragraph(const LEUnicode chars[], le_int32 charCount, const FontRuns *fontRuns, LEErrorCode &status);
43
44 ~Paragraph();
45
46 le_int32 getAscent();
47 le_int32 getLineHeight();
48 le_int32 getLineCount();
49 void breakLines(le_int32 width, le_int32 height);
50 void draw(RenderingSurface *surface, le_int32 firstLine, le_int32 lastLine);
51
52 static Paragraph *paragraphFactory(const char *fileName, const LEFontInstance *font, GUISupport *guiSupport);
53
54 private:
55 void addLine(const ParagraphLayout::Line *line);
56
57 ParagraphLayout **fParagraphLayout;
58
59 le_int32 fParagraphCount;
60 le_int32 fParagraphMax;
61 le_int32 fParagraphGrow;
62
63 le_int32 fLineCount;
64 le_int32 fLinesMax;
65 le_int32 fLinesGrow;
66
67 const ParagraphLayout::Line **fLines;
68 LEUnicode *fChars;
69
70 le_int32 fLineHeight;
71 le_int32 fAscent;
72 le_int32 fWidth;
73 le_int32 fHeight;
74 UBiDiLevel fParagraphLevel;
75 };
76
getLineHeight()77 inline le_int32 Paragraph::getLineHeight()
78 {
79 return fLineHeight;
80 }
81
getLineCount()82 inline le_int32 Paragraph::getLineCount()
83 {
84 return fLineCount;
85 }
86
getAscent()87 inline le_int32 Paragraph::getAscent()
88 {
89 return fAscent;
90 }
91
92 #endif
93
94
95