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