本文整理汇总了C++中gfx::Canvas::MeasureTextW方法的典型用法代码示例。如果您正苦于以下问题：C++ Canvas::MeasureTextW方法的具体用法？C++ Canvas::MeasureTextW怎么用？C++ Canvas::MeasureTextW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类gfx::Canvas的用法示例。
在下文中一共展示了Canvas::MeasureTextW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: DrawString
/*
** Draws the string or calculates it's size
**
*/
bool MeterString::DrawString(Gfx::Canvas& canvas, RectF* rect)
{
if (!m_TextFormat->IsInitialized()) return false;
LPCWSTR string = m_String.c_str();
UINT stringLen = (UINT)m_String.length();
canvas.SetTextAntiAliasing(m_AntiAlias);
m_TextFormat->SetTrimming(
m_ClipType == CLIP_ON ||
(m_ClipType == CLIP_AUTO && (m_NeedsClipping || (m_WDefined && m_HDefined))));
Gdiplus::Rect meterRect = GetMeterRectPadding();
if (rect)
{
rect->X = (REAL)meterRect.X;
rect->Y = (REAL)meterRect.Y;
if (canvas.MeasureTextW(string, stringLen, *m_TextFormat, *rect) &&
m_ClipType == CLIP_AUTO)
{
// Set initial clipping
m_NeedsClipping = false;
REAL w, h;
bool updateSize = true;
if (m_WDefined)
{
w = (REAL)meterRect.Width;
h = rect->Height;
m_NeedsClipping = true;
}
else if (m_HDefined)
{
if (m_ClipStringW == -1)
{
// Text does not fit in defined height, clip it
if (rect->Height > (REAL)meterRect.Height)
{
m_NeedsClipping = true;
}
rect->Height = (REAL)meterRect.Height;
updateSize = false;
}
else
{
if (rect->Width > (REAL)m_ClipStringW)
{
w = (REAL)m_ClipStringW;
m_NeedsClipping = true;
}
else
{
w = rect->Width;
}
h = (REAL)meterRect.Height;
}
}
else
{
if (m_ClipStringW == -1)
{
// Clip text if already larger than ClipStringH
if (m_ClipStringH != -1 && rect->Height > (REAL)m_ClipStringH)
{
m_NeedsClipping = true;
rect->Height = (REAL)m_ClipStringH;
}
updateSize = false;
}
else
{
if (rect->Width > (REAL)m_ClipStringW)
{
w = (REAL)m_ClipStringW;
m_NeedsClipping = true;
}
else
{
w = rect->Width;
}
h = rect->Height;
}
}
if (updateSize)
{
UINT lines = 0;
RectF layout((REAL)meterRect.X, (REAL)meterRect.Y, w, h);
//.........这里部分代码省略.........