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fixed crash in barchartitem after refactoring
fixed crash in barchartitem after refactoring

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chartthemesystem_p.h
180 lines | 7.0 KiB | text/x-c | CLexer
/ src / themes / chartthemesystem_p.h
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt Commercial Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/
// W A R N I N G
// -------------
//
// This file is not part of the QtCommercial Chart API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#ifndef CHARTTHEMESYSTEM_P_H
#define CHARTTHEMESYSTEM_P_H
#include "charttheme_p.h"
#ifdef Q_OS_WIN
#include <windows.h>
#include <stdio.h>
#endif
QTCOMMERCIALCHART_BEGIN_NAMESPACE
class ChartThemeSystem: public ChartTheme
{
public:
// System theme not used at the moment (the user is not able to select this theme)
ChartThemeSystem() : ChartTheme(QChart::ChartThemeLight /*QChart::ChartThemeSystem*/)
{
#ifdef Q_OS_WIN
// TODO: use theme specific window frame color as a series base color (it would give more
// variation to the base colors in addition to the blue and black used now)
// TODO: COLOR_WINDOWTEXT for text color?
// TODO: COLOR_INFOTEXT for tooltip text color?
// TODO: COLOR_INFOBK for tooltip background color?
// First series base color from COLOR_HIGHLIGHT
DWORD colorHighlight;
colorHighlight = GetSysColor(COLOR_HIGHLIGHT);
m_seriesColors.append(QColor(GetRValue(colorHighlight),
GetGValue(colorHighlight),
GetBValue(colorHighlight)));
// Second series base color from COLOR_WINDOWFRAME
DWORD colorWindowFrame;
colorWindowFrame = GetSysColor(COLOR_WINDOWFRAME);
m_seriesColors.append(QColor(GetRValue(colorWindowFrame),
GetGValue(colorWindowFrame),
GetBValue(colorWindowFrame)));
// Third series base color from the middle of the COLOR_ACTIVECAPTION /
// COLOR_GRADIENTACTIVECAPTION gradient
DWORD colorGradientActiveCaptionLeft;
colorGradientActiveCaptionLeft = GetSysColor(COLOR_ACTIVECAPTION);
DWORD colorGradientActiveCaptionRight;
colorGradientActiveCaptionRight = GetSysColor(COLOR_GRADIENTACTIVECAPTION);
QLinearGradient g;
QColor start = QColor(GetRValue(colorGradientActiveCaptionLeft),
GetGValue(colorGradientActiveCaptionLeft),
GetBValue(colorGradientActiveCaptionLeft));
g.setColorAt(0.0, start);
QColor end = QColor(GetRValue(colorGradientActiveCaptionRight),
GetGValue(colorGradientActiveCaptionRight),
GetBValue(colorGradientActiveCaptionRight));
g.setColorAt(1.0, end);
m_seriesColors.append(colorAt(g, 0.5));
// Generate gradients from the base colors
generateSeriesGradients();
// Background fill color from COLOR_WINDOW
QLinearGradient backgroundGradient;
DWORD colorWindow;
colorWindow = GetSysColor(COLOR_WINDOW);
backgroundGradient.setColorAt(0.0, QColor(GetRValue(colorWindow),
GetGValue(colorWindow),
GetBValue(colorWindow)));
backgroundGradient.setColorAt(1.0, QColor(GetRValue(colorWindow),
GetGValue(colorWindow),
GetBValue(colorWindow)));
// Axes and other
m_axisLinePen = QPen(0xd6d6d6);
m_axisLinePen.setWidth(1);
m_labelBrush = QBrush(QRgb(0x404044));
m_gridLinePen = QPen(QRgb(0xe2e2e2));
m_gridLinePen.setWidth(1);
m_backgroundShades = BackgroundShadesNone;
#elif defined(Q_OS_LINUX)
// TODO: replace this dummy theme with linux specific theme
m_seriesColors << QRgb(0x60a6e6);
m_seriesColors << QRgb(0x92ca66);
m_seriesColors << QRgb(0xeba85f);
m_seriesColors << QRgb(0xfc5751);
generateSeriesGradients();
// Background
QLinearGradient backgroundGradient;
backgroundGradient.setColorAt(0.0, QRgb(0xffffff));
backgroundGradient.setColorAt(1.0, QRgb(0xffffff));
backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
m_chartBackgroundGradient = backgroundGradient;
// Axes and other
m_axisLinePen = QPen(0xd6d6d6);
m_axisLinePen.setWidth(1);
m_labelBrush = QBrush(QRgb(0x404044));
m_gridLinePen = QPen(QRgb(0xe2e2e2));
m_gridLinePen.setWidth(1);
m_backgroundShades = BackgroundShadesNone;
#elif defined(Q_OS_MAC)
// TODO: replace this dummy theme with OSX specific theme
m_seriesColors << QRgb(0x60a6e6);
m_seriesColors << QRgb(0x92ca66);
m_seriesColors << QRgb(0xeba85f);
m_seriesColors << QRgb(0xfc5751);
generateSeriesGradients();
// Background
QLinearGradient backgroundGradient;
backgroundGradient.setColorAt(0.0, QRgb(0xffffff));
backgroundGradient.setColorAt(1.0, QRgb(0xffffff));
backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
m_chartBackgroundGradient = backgroundGradient;
// Axes and other
m_axisLinePen = QPen(0xd6d6d6);
m_axisLinePen.setWidth(1);
m_labelBrush = QBrush(QRgb(0x404044));
m_gridLinePen = QPen(QRgb(0xe2e2e2));
m_gridLinePen.setWidth(1);
m_backgroundShades = BackgroundShadesNone;
#else
// TODO: replace this dummy theme with generic (not OS specific) theme
m_seriesColors << QRgb(0x60a6e6);
m_seriesColors << QRgb(0x92ca66);
m_seriesColors << QRgb(0xeba85f);
m_seriesColors << QRgb(0xfc5751);
generateSeriesGradients();
// Background
QLinearGradient backgroundGradient;
backgroundGradient.setColorAt(0.0, QRgb(0xffffff));
backgroundGradient.setColorAt(1.0, QRgb(0xffffff));
backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
m_chartBackgroundGradient = backgroundGradient;
// Axes and other
m_axisLinePen = QPen(0xd6d6d6);
m_axisLinePen.setWidth(1);
m_labelBrush = QBrush(QRgb(0x404044));
m_gridLinePen = QPen(QRgb(0xe2e2e2));
m_gridLinePen.setWidth(1);
m_backgroundShades = BackgroundShadesNone;
#endif
}
};
QTCOMMERCIALCHART_END_NAMESPACE
#endif // CHARTTHEMESYSTEM_P_H