harbour-books/app/src/BooksPaintContext.h
2016-11-02 19:51:34 +03:00

132 lines
5 KiB
C++

/*
* Copyright (C) 2015-2016 Jolla Ltd.
* Contact: Slava Monich <slava.monich@jolla.com>
*
* You may use this file under the terms of the BSD license as follows:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Nemo Mobile nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef BOOKS_PAINT_CONTEXT_H
#define BOOKS_PAINT_CONTEXT_H
#include "BooksTypes.h"
#include "ZLColor.h"
#include "ZLPaintContext.h"
#include <QFont>
#include <QSize>
#include <QColor>
class QPainter;
class BooksPaintContext : public ZLPaintContext {
public:
BooksPaintContext(int aWidth, int aHeight);
BooksPaintContext();
~BooksPaintContext();
void setWidth(int aWidth);
void setHeight(int aHeight);
void setSize(int aWidth, int aHeight);
bool isEmpty() const;
QSize size() const;
// ZLPaintContext
void beginPaint(QPainter* painter);
void endPaint();
int width() const;
int height() const;
void clear(ZLColor color);
void fillFamiliesList(std::vector<std::string>& families) const;
const std::string realFontFamilyName(std::string& fontFamily) const;
void setFont(const std::string& family, int size, bool bold, bool italic);
void setColor(ZLColor color, LineStyle style);
void setFillColor(ZLColor color, FillStyle style);
int stringWidth(const char* str, int len, bool rtl) const;
int spaceWidth() const;
int stringHeight() const;
int descent() const;
void drawString(int x, int y, const char* str, int len, bool rtl);
void drawImage(int x, int y, const ZLImageData& image);
void drawImage(int x, int y, const ZLImageData& image, int width, int height, ScalingType type);
void drawLine(int x0, int y0, int x1, int y1);
void fillRectangle(int x0, int y0, int x1, int y1);
void drawFilledCircle(int x, int y, int r);
void setInvertColors(bool aInvertColors);
static ZLColor realColor(const std::string& aStyle, bool aInvertColors);
static ZLColor realColor(quint8 aRed, quint8 aGreen, quint8 aBlue, bool aInvert);
static ZLColor realColor(const ZLColor aColor, bool aInvert);
ZLColor realColor(const std::string& aStyle) const;
ZLColor realColor(quint8 aRed, quint8 aGreen, quint8 aBlue) const;
ZLColor realColor(const ZLColor aColor) const;
private:
QPainter* iPainter;
int iWidth;
int iHeight;
mutable int iSpaceWidth;
int iDescent;
bool iInvertColors;
QFont iFont;
};
inline void BooksPaintContext::setWidth(int aWidth)
{ iWidth = aWidth; }
inline void BooksPaintContext::setHeight(int aHeight)
{ iHeight = aHeight; }
inline void BooksPaintContext::setSize(int aWidth, int aHeight)
{ iWidth = aWidth; iHeight = aHeight; }
inline bool BooksPaintContext::isEmpty() const
{ return (iWidth <= 0 || iHeight <= 0); }
inline QSize BooksPaintContext::size() const
{ return QSize(iWidth, iHeight); }
inline QColor qtColor(const ZLColor& aColor)
{ return QColor(aColor.Red, aColor.Green, aColor.Blue); }
inline ZLColor BooksPaintContext::realColor(const ZLColor aColor) const
{ return realColor(aColor.Red, aColor.Green, aColor.Blue); }
inline ZLColor BooksPaintContext::realColor(quint8 aRed, quint8 aGreen, quint8 aBlue) const
{ return realColor(aRed, aGreen, aBlue, iInvertColors); }
inline ZLColor BooksPaintContext::realColor(const ZLColor aColor, bool aInvert)
{ return realColor(aColor.Red, aColor.Green, aColor.Blue, aInvert); }
inline ZLColor BooksPaintContext::realColor(const std::string& aStyle) const
{ return realColor(aStyle, iInvertColors); }
inline void BooksPaintContext::setInvertColors(bool aInvertColors)
{ iInvertColors = aInvertColors; }
#endif /* BOOKS_PAINT_CONTEXT_H */