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C++ wxGraphicsContext类代码示例

本文整理汇总了C++中wxGraphicsContext类的典型用法代码示例。如果您正苦于以下问题：C++ wxGraphicsContext类的具体用法？C++ wxGraphicsContext怎么用？C++ wxGraphicsContext使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。


在下文中一共展示了wxGraphicsContext类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: DrawBackground

void GCDCGraphs::DrawBackground(wxGraphicsContext &dc) {
	int w, h;
	GetClientSize(&w, &h);

	PeriodType pt = m_draws_wdg->GetSelectedDraw()->GetPeriod();
	size_t pc = m_draws_wdg->GetSelectedDraw()->GetValuesTable().size();

	dc.SetBrush(wxBrush(back2_col, wxSOLID));
	dc.DrawRectangle(0, 0, w, h);

	size_t i = 0;
	int c = 1;
	double x = m_screen_margins.leftmargin + 1;

	while (i < pc) {
		double x1 = GetX(i);

		i += TimeIndex::PeriodMult[pt];
	
		double x2 = GetX(i);

		if (c > 0)
			dc.SetBrush(wxBrush(back1_col, wxSOLID));
		else
			dc.SetBrush(wxBrush(back2_col, wxSOLID));
	
		c *= -1; 

		dc.DrawRectangle(x, m_screen_margins.topmargin, x2 - x1, h - m_screen_margins.topmargin + 1);

		x = x + x2 - x1;
	}

}
开发者ID:，项目名称:，代码行数:34，代码来源:

示例2: DrawXAxisVals

void GCDCGraphs::DrawXAxisVals(wxGraphicsContext& dc) {
	Draw* draw = m_draws_wdg->GetSelectedDraw();
	if (draw == NULL) 
		return;
	/* Draw ticks on axis. */
	int i = PeriodMarkShift[draw->GetPeriod()];
	int size = draw->GetValuesTable().size();

	int w, h;
	GetClientSize(&w, &h);
    
	wxDateTime prev_date;
	while (i < size) {
		int x = GetX(i);
		dc.StrokeLine(x, h - m_screen_margins.bottommargin + 1, x, h - m_screen_margins.bottommargin - 1);

		wxDateTime date = draw->GetTimeOfIndex(i);
	
		/* Print date */
		wxString datestring = get_date_string(draw->GetPeriod(), prev_date, date);

		double textw, texth, td, tel;

		dc.GetTextExtent(datestring, &textw, &texth, &td, &tel);
		dc.DrawText(datestring, x - textw / 2, h - m_screen_margins.bottommargin + 1);

		i += TimeIndex::PeriodMult[draw->GetPeriod()];
		prev_date = date;
	}
    
}
开发者ID:，项目名称:，代码行数:31，代码来源:

示例3: RecalculateMargins

void GCDCGraphs::RecalculateMargins(wxGraphicsContext &dc) {
	if (!m_recalulate_margins)
		return;

	double leftmargin = 36;
	double bottommargin = 12;
	double topmargin = 24;

	for (size_t i = 0; i < m_draws.size(); i++) {
		double tw, th, td, tel;
		DrawInfo *di = m_draws[i]->GetDrawInfo();
		wxString sval = di->GetValueStr(di->GetMax(), _T(""));

		dc.GetTextExtent(sval, &tw, &th, &td, &tel);
		if (leftmargin < tw + 1)
			leftmargin = tw + 1;
		if (bottommargin < th + 1)
			bottommargin = th + 1;

		if (topmargin < th + m_screen_margins.infotopmargin)
			topmargin = th + m_screen_margins.infotopmargin;

		dc.GetTextExtent(di->GetUnit(), &tw, &th, &td, &tel);
		if (leftmargin < tw + 6)
			leftmargin = tw + 6;
	}

	m_screen_margins.leftmargin = leftmargin;
	m_screen_margins.bottommargin = bottommargin;
	m_screen_margins.topmargin = topmargin;

	m_recalulate_margins = false;
}
开发者ID:，项目名称:，代码行数:33，代码来源:

示例4: Draw

void wxChartArc::Draw(wxGraphicsContext &gc)
{
	wxGraphicsPath path = gc.CreatePath();

	if (m_innerRadius > 0)
	{
		path.AddArc(m_x, m_y, m_innerRadius, m_startAngle, m_endAngle, true);
		path.AddArc(m_x, m_y, m_outerRadius, m_endAngle, m_startAngle, false);
	}
	else
	{
		path.AddArc(m_x, m_y, m_outerRadius, m_endAngle, m_startAngle, false);
		path.AddLineToPoint(m_x, m_y);
	}

	path.CloseSubpath();

	wxBrush brush(m_options.GetFillColor());
	gc.SetBrush(brush);
	gc.FillPath(path);

	wxPen pen(*wxWHITE, m_options.GetOutlineWidth());
	gc.SetPen(pen);
	gc.StrokePath(path);
}
开发者ID:yecaokinux，项目名称:wxCharts，代码行数:25，代码来源:wxchartarc.cpp

示例5: DrawYAxis

void GCDCGraphs::DrawYAxis(wxGraphicsContext& dc) {
	int w, h;
	GetClientSize(&w, &h);

	dc.StrokeLine(m_screen_margins.leftmargin, 0, m_screen_margins.leftmargin, h);
	dc.StrokeLine(m_screen_margins.leftmargin - 5, 7, m_screen_margins.leftmargin, 0);
	dc.StrokeLine(m_screen_margins.leftmargin, 0, m_screen_margins.leftmargin + 5, 7);
}
开发者ID:，项目名称:，代码行数:8，代码来源:

示例6: DrawGrid

void ElementCanvasWindow::DrawGrid(wxGraphicsContext &gc)
{
    wxPen pen(wxColor(0x7F, 0x7F, 0x7F), 1);
    gc.SetPen(pen);
    for (size_t i = 0; i < 20; i += 10)
    {
        gc.StrokeLine(i, 0, i, 20);
    }
}
开发者ID:Kvaz1r，项目名称:wxCharts，代码行数:9，代码来源:elementcanvaswindow.cpp

示例7: DrawUnit

void GCDCGraphs::DrawUnit(wxGraphicsContext &dc) {
	Draw* draw = m_draws_wdg->GetSelectedDraw();
	if (draw == NULL) 
		return;

	double textw, texth, th, tsel;

	wxString unit = draw->GetDrawInfo()->GetUnit();
	dc.GetTextExtent(unit, &textw, &texth, &th, &tsel);
	dc.DrawText(unit, m_screen_margins.leftmargin - 6 - textw, m_screen_margins.topmargin - 2 - texth);
}
开发者ID:，项目名称:，代码行数:11，代码来源:

示例8: Draw

void wxChartBackground::Draw(wxDouble x, 
                             wxDouble y, 
                             wxDouble width, 
                             wxDouble height,
                             wxGraphicsContext &gc)
{
    wxGraphicsPath path = gc.CreatePath();

    path.AddRoundedRectangle(x, y, width, height, m_options.GetCornerRadius());

    wxBrush brush(m_options.GetColor());
    gc.SetBrush(brush);
    gc.FillPath(path);
}
开发者ID:yecaokinux，项目名称:wxCharts，代码行数:14，代码来源:wxchartbackground.cpp

示例9: DrawXAxis

void GCDCGraphs::DrawXAxis(wxGraphicsContext &dc) {
	int arrow_width = 8;
	int arrow_height = 4;

	int w, h;
	GetClientSize(&w, &h);

	//dc.StrokeLine(0, h - m_screen_margins.bottommargin, w - m_screen_margins.rightmargin, h - m_screen_margins.bottommargin);
	dc.StrokeLine(0, h - m_screen_margins.bottommargin, w, h - m_screen_margins.bottommargin);
	dc.StrokeLine(w - arrow_width, h - m_screen_margins.bottommargin - arrow_height,
		w, h - m_screen_margins.bottommargin);
	dc.StrokeLine(w - arrow_width, h - m_screen_margins.bottommargin + arrow_height,
		w, h - m_screen_margins.bottommargin);
    
}
开发者ID:，项目名称:，代码行数:15，代码来源:

示例10: DrawCursor

void GCDCGraphs::DrawCursor(wxGraphicsContext &dc, Draw* d) {
	int i = d->GetCurrentIndex();
	if (i < 0)
		return;

	if (d->GetValuesTable().at(i).IsData() == false)
		return;

	dc.SetBrush(wxBrush(wxColour(0,0,0), wxTRANSPARENT));
	dc.SetPen(wxPen(*wxWHITE, 1, wxSOLID));

	double x = GetX(i);
	double y = GetY(d->GetValuesTable().at(i).val, d->GetDrawInfo());

	dc.DrawRectangle(x - 4, y - 4, 9, 9);
}
开发者ID:，项目名称:，代码行数:16，代码来源:

示例11: DrawNoData

void GCDCGraphs::DrawNoData(wxGraphicsContext &dc) {
	wxFont font = GetFont();
	font.SetPointSize(font.GetPointSize() + 8);
	dc.SetFont(font, *wxWHITE);

	int w, h;
	GetClientSize(&w, &h);

	w -= m_screen_margins.leftmargin - m_screen_margins.rightmargin;
	h -= m_screen_margins.topmargin - m_screen_margins.bottommargin;

	wxString sval = _("No data");
	double textw, texth, textd, textel;
	dc.GetTextExtent(sval, &textw, &texth, &textd, &textel);
	dc.DrawText(sval, m_screen_margins.leftmargin + w / 2 - textw / 2 - 1, m_screen_margins.topmargin + h / 2 - texth / 2);

}
开发者ID:，项目名称:，代码行数:17，代码来源:

示例12: DrawParamName

void GCDCGraphs::DrawParamName(wxGraphicsContext &dc) {
	DrawInfo *di = m_draws_wdg->GetCurrentDrawInfo();
	if (di == NULL)
		return;

	dc.SetBrush(*wxBLACK_BRUSH);
	dc.SetPen(*wxWHITE_PEN);

	wxFont f = GetFont();
	int ps = f.GetPointSize();
	int fw = f.GetWeight();
	f.SetWeight(wxFONTWEIGHT_BOLD);
	f.SetPointSize(ps * 1.25);
	dc.SetFont(f, di->GetDrawColor());

	int w, h;
	GetSize(&w, &h);

	wxString text = m_cfg_mgr->GetConfigTitles()[di->GetBasePrefix()] + _T(":") + di->GetParamName();

	double tw, th, _th, _ts;
	dc.GetTextExtent(text, &tw, &th, &_th, &_ts);

	dc.DrawRectangle(w / 2 - tw / 2 - 1, h / 2 - th / 2 - 1, tw + 2, th + 2);
	dc.DrawText(text, w / 2 - tw / 2, h / 2 - th / 2);

	f.SetPointSize(ps);
	f.SetWeight(fw);
}
开发者ID:，项目名称:，代码行数:29，代码来源:

示例13: DrawWindowInfo

void GCDCGraphs::DrawWindowInfo(wxGraphicsContext &dc) {
	double info_left_marg = m_screen_margins.leftmargin + 8;
	double param_name_shift = 5;

	if (m_draws.size() < 1)
		return;

	int w, h;
	GetClientSize(&w, &h);

	DrawInfo *info = m_draws[0]->GetDrawInfo();
	wxString name = info->GetSetName().c_str();

	double namew, nameh, th, tsel;
	dc.GetTextExtent(name, &namew, &nameh, &th, &tsel);

	dc.DrawText(name, info_left_marg, m_screen_margins.infotopmargin);

	int xpos = info_left_marg + namew + param_name_shift;

	for (int i = 0; i < (int)m_draws.size(); ++i) {

		if (!m_draws[i]->GetEnable())
			continue;

		DrawInfo *info = m_draws[i]->GetDrawInfo();

		dc.SetFont(GetFont(), info->GetDrawColor());

		name = info->GetShortName().c_str();
		if (!name.IsEmpty()) {
			dc.GetTextExtent(name, &namew, &nameh, &th, &tsel);
			dc.DrawText(name, xpos, m_screen_margins.infotopmargin);
			xpos += namew + param_name_shift;
		} else {
			xpos += param_name_shift;
		}
	}

}
开发者ID:，项目名称:，代码行数:40，代码来源:

示例14: Draw

void wxChartTooltip::Draw(wxGraphicsContext &gc)
{
    wxString text = m_provider->GetTooltipText();

    wxFont font(wxSize(0, m_options.GetFontSize()),
        m_options.GetFontFamily(), m_options.GetFontStyle(), wxFONTWEIGHT_NORMAL);
    wxDouble tooltipWidth;
    wxDouble tooltipHeight;
    wxChartUtilities::GetTextSize(gc, font, text, tooltipWidth, tooltipHeight);
    tooltipWidth += 2 * m_options.GetHorizontalPadding();
    tooltipHeight += 2 * m_options.GetVerticalPadding();


    wxDouble tooltipX = m_position.m_x - (tooltipWidth / 2);
    wxDouble tooltipY = m_position.m_y - tooltipHeight;


    wxChartBackground background(m_options.GetBackgroundOptions());
    background.Draw(tooltipX, tooltipY, tooltipWidth, tooltipHeight, gc);

    gc.SetFont(font, m_options.GetFontColor());
    gc.DrawText(text, tooltipX + m_options.GetHorizontalPadding(), tooltipY + m_options.GetVerticalPadding());
}
开发者ID:Kvaz1r，项目名称:wxCharts，代码行数:23，代码来源:wxcharttooltip.cpp

示例15: Draw

void wxPDFViewPage::Draw(wxPDFViewPagesClient* client, wxDC& dc, wxGraphicsContext& gc, const wxRect& rect)
{
	// Calculate the required bitmap size
	wxSize bmpSize = rect.GetSize();
	double scaleX, scaleY;
	dc.GetUserScale(&scaleX, &scaleY);
	bmpSize.x *= scaleX;
	bmpSize.y *= scaleY;

	double screenScale = dc.GetContentScaleFactor();
	bmpSize.x *= screenScale;
	bmpSize.y *= screenScale;

	wxBitmap bmp = client->GetCachedBitmap(m_index, bmpSize);
	if (bmp.IsOk())
	{
		gc.DrawBitmap(bmp, rect.x, rect.y, rect.width, rect.height);
	} else {
		// Draw empty page
		gc.SetBrush(*wxWHITE_BRUSH);
		gc.SetPen(wxNullPen);
		gc.DrawRectangle(rect.x, rect.y, rect.width, rect.height);
	}
}
开发者ID:amitdo，项目名称:wxPDFView，代码行数:24，代码来源:PDFViewPages.cpp


注：本文中的wxGraphicsContext类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。