本文整理汇总了C++中TextLayout::getHeight方法的典型用法代码示例。如果您正苦于以下问题：C++ TextLayout::getHeight方法的具体用法？C++ TextLayout::getHeight怎么用？C++ TextLayout::getHeight使用的例子？那么恭喜您, 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TextLayout的用法示例。
在下文中一共展示了TextLayout::getHeight方法的4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: updateLayout
void updateLayout (const int width)
{
TextLayout text;
text.appendText (getText(), getFont());
text.layout (width - 8, Justification::topLeft, true);
setSize (width, jmin (width, text.getHeight() + (int) getFont().getHeight()));
}示例2: updateLayout
void updateLayout (const int width)
{
AttributedString s;
s.setJustification (Justification::topLeft);
s.append (getText(), getFont());
TextLayout text;
text.createLayoutWithBalancedLineLengths (s, width - 8.0f);
setSize (width, jmin (width, (int) (text.getHeight() + getFont().getHeight())));
}示例3: createLayout
void createLayout (TextLayout& layout, const AttributedString& text, IDWriteFactory& directWriteFactory,
ID2D1Factory& direct2dFactory, IDWriteFontCollection& fontCollection)
{
// To add color to text, we need to create a D2D render target
// Since we are not actually rendering to a D2D context we create a temporary GDI render target
D2D1_RENDER_TARGET_PROPERTIES d2dRTProp = D2D1::RenderTargetProperties (D2D1_RENDER_TARGET_TYPE_SOFTWARE,
D2D1::PixelFormat (DXGI_FORMAT_B8G8R8A8_UNORM,
D2D1_ALPHA_MODE_IGNORE),
0, 0,
D2D1_RENDER_TARGET_USAGE_GDI_COMPATIBLE,
D2D1_FEATURE_LEVEL_DEFAULT);
ComSmartPtr<ID2D1DCRenderTarget> renderTarget;
HRESULT hr = direct2dFactory.CreateDCRenderTarget (&d2dRTProp, renderTarget.resetAndGetPointerAddress());
ComSmartPtr<IDWriteTextLayout> dwTextLayout;
if (! setupLayout (text, layout.getWidth(), layout.getHeight(), *renderTarget,
directWriteFactory, fontCollection, dwTextLayout))
return;
UINT32 actualLineCount = 0;
hr = dwTextLayout->GetLineMetrics (nullptr, 0, &actualLineCount);
layout.ensureStorageAllocated (actualLineCount);
{
ComSmartPtr<CustomDirectWriteTextRenderer> textRenderer (new CustomDirectWriteTextRenderer (fontCollection, text));
hr = dwTextLayout->Draw (&layout, textRenderer, 0, 0);
}
HeapBlock<DWRITE_LINE_METRICS> dwLineMetrics (actualLineCount);
hr = dwTextLayout->GetLineMetrics (dwLineMetrics, actualLineCount, &actualLineCount);
int lastLocation = 0;
const int numLines = jmin ((int) actualLineCount, layout.getNumLines());
float yAdjustment = 0;
const float extraLineSpacing = text.getLineSpacing();
for (int i = 0; i < numLines; ++i)
{
TextLayout::Line& line = layout.getLine (i);
line.stringRange = Range<int> (lastLocation, (int) lastLocation + dwLineMetrics[i].length);
line.lineOrigin.y += yAdjustment;
yAdjustment += extraLineSpacing;
lastLocation += dwLineMetrics[i].length;
}
}示例4: createLayout
void createLayout (TextLayout& layout, const AttributedString& text,
IDWriteFactory& directWriteFactory,
IDWriteFontCollection& fontCollection,
ID2D1DCRenderTarget& renderTarget)
{
ComSmartPtr<IDWriteTextLayout> dwTextLayout;
if (! setupLayout (text, layout.getWidth(), layout.getHeight(), renderTarget,
directWriteFactory, fontCollection, dwTextLayout))
return;
UINT32 actualLineCount = 0;
HRESULT hr = dwTextLayout->GetLineMetrics (nullptr, 0, &actualLineCount);
layout.ensureStorageAllocated (actualLineCount);
{
ComSmartPtr<CustomDirectWriteTextRenderer> textRenderer (new CustomDirectWriteTextRenderer (fontCollection, text));
hr = dwTextLayout->Draw (&layout, textRenderer, 0, 0);
}
HeapBlock<DWRITE_LINE_METRICS> dwLineMetrics (actualLineCount);
hr = dwTextLayout->GetLineMetrics (dwLineMetrics, actualLineCount, &actualLineCount);
int lastLocation = 0;
const int numLines = jmin ((int) actualLineCount, layout.getNumLines());
float yAdjustment = 0;
const float extraLineSpacing = text.getLineSpacing();
for (int i = 0; i < numLines; ++i)
{
TextLayout::Line& line = layout.getLine (i);
line.stringRange = Range<int> (lastLocation, (int) lastLocation + dwLineMetrics[i].length);
line.lineOrigin.y += yAdjustment;
yAdjustment += extraLineSpacing;
lastLocation += dwLineMetrics[i].length;
}
}