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C++ CG32bitImage::SetClipRect方法代码示例

本文整理汇总了C++中CG32bitImage::SetClipRect方法的典型用法代码示例。如果您正苦于以下问题:C++ CG32bitImage::SetClipRect方法的具体用法?C++ CG32bitImage::SetClipRect怎么用?C++ CG32bitImage::SetClipRect使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在CG32bitImage的用法示例。


在下文中一共展示了CG32bitImage::SetClipRect方法的1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: PaintText

void CGTextArea::PaintText (CG32bitImage &Dest, const RECT &rcRect)

//	PaintText
//
//	Paint plain text

	{
	//	Paint the text

	if (m_pFont)
		{
		//	If we haven't justified the text for this size, do it now

		if (m_cxJustifyWidth != RectWidth(rcRect))
			{
			m_cxJustifyWidth = RectWidth(rcRect);
			m_Lines.DeleteAll();
			m_pFont->BreakText(m_sText, m_cxJustifyWidth, &m_Lines, CG16bitFont::SmartQuotes);
			}

		//	Compute the rect within which we draw the text

		RECT rcText = rcRect;
		if (m_bEditable)
			{
			int iVSpacing = (RectHeight(rcRect) - m_pFont->GetHeight()) / 2;
			rcText.left += iVSpacing;
			rcText.right -= iVSpacing;
			rcText.top += iVSpacing;
			rcText.bottom -= iVSpacing;
			}

		//	Clip to text rect

		RECT rcOldClip = Dest.GetClipRect();
		Dest.SetClipRect(rcText);

		//	Figure out how many lines fit in the rect

		int iMaxLineCount = RectHeight(rcText) / m_pFont->GetHeight();

		//	If there are too many lines, and we're editable, start at the end

		int iStart = 0;
		if (m_bEditable && iMaxLineCount < m_Lines.GetCount())
			iStart = m_Lines.GetCount() - iMaxLineCount;

		//	Paint each line

		int x = rcText.left;
		int y = rcText.top;
		for (int i = iStart; i < m_Lines.GetCount(); i++)
			{
			CString sLine = m_Lines[i];

			//	Trim the last space in the line, if necessary

			char *pPos = sLine.GetASCIIZPointer();
			if (sLine.GetLength() > 0 && pPos[sLine.GetLength() - 1] == ' ')
				sLine = strTrimWhitespace(sLine);

			//	Alignment

			int xLine;
			if (m_dwStyles & alignCenter)
				{
				int cxWidth = m_pFont->MeasureText(sLine);
				xLine = x + (RectWidth(rcText) - cxWidth) / 2;
				}
			else if (m_dwStyles & alignRight)
				{
				int cxWidth = m_pFont->MeasureText(sLine);
				xLine = x + (RectWidth(rcRect) - cxWidth);
				}
			else
				xLine = x;

			//	Paint

			if (HasEffects())
				m_pFont->DrawTextEffect(Dest, xLine, y, m_rgbColor, sLine, GetEffectCount(), GetEffects());
			else
				Dest.DrawText(xLine, y, *m_pFont, m_rgbColor, sLine);

			//	Next

			y += m_pFont->GetHeight() + m_cyLineSpacing;
			if (y >= rcText.bottom)
				break;
			}

		//	Paint the cursor

		if (m_bEditable && m_iCursorLine >= iStart)
			{
			int cxPos = (m_iCursorLine < m_Lines.GetCount() ? m_pFont->MeasureText(CString(m_Lines[m_iCursorLine].GetASCIIZPointer(), m_iCursorPos, true)) : 0);
			int y = rcText.top + (m_iCursorLine - iStart) * (m_pFont->GetHeight() + m_cyLineSpacing);
			int x = rcText.left;
			if (m_dwStyles & alignCenter)
				{
//.........这里部分代码省略.........
开发者ID:bmer,项目名称:Alchemy,代码行数:101,代码来源:CGTextArea.cpp


注:本文中的CG32bitImage::SetClipRect方法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。