KHtml

helper.h
1 /*
2  * This file is part of the CSS implementation for KDE.
3  *
4  * Copyright (C) 1999 Lars Knoll ([email protected])
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Library General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Library General Public License for more details.
15  *
16  * You should have received a copy of the GNU Library General Public License
17  * along with this library; see the file COPYING.LIB. If not, write to
18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19  * Boston, MA 02110-1301, USA.
20  *
21  */
22 #ifndef html_helper_h
23 #define html_helper_h
24 
25 #include <QColor>
26 class QPainter;
27 #include <QFontMetrics>
28 #include <QFont>
29 
30 namespace khtml
31 {
32 class RenderObject;
33 const QRgb transparentColor = 0x00000000;
34 const QRgb invertedColor = 0x00000002;
35 
36 extern QPainter *printpainter;
37 void setPrintPainter(QPainter *printer);
38 
39 bool hasSufficientContrast(const QColor &c1, const QColor &c2);
40 QColor retrieveBackgroundColor(const RenderObject *obj);
41 QRgb qRgbaFromHsla(double h, double s, double l, double a);
42 QColor colorForCSSValue(int css_value);
43 
44 void findWordBoundary(QChar *chars, int len, int position, int *start, int *end);
45 
46 //enumerator for findSelectionNode
47 enum FindSelectionResult { SelectionPointBefore,
48  SelectionPointAfter,
49  SelectionPointInside,
50  // the next two are only used inside one line in RenderText
51  // to get BiDi contexts right.
52  SelectionPointBeforeInLine,
53  SelectionPointAfterInLine
54  };
55 }
56 
57 #endif
This file is part of the HTML rendering engine for KDE.
bool hasSufficientContrast(const QColor &c1, const QColor &c2)
checks whether the given colors have enough contrast
Definition: helper.cpp:267
QColor retrieveBackgroundColor(const RenderObject *obj)
finds out the background color of an element
Definition: helper.cpp:248
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