162 lines
3.1 KiB
C++
162 lines
3.1 KiB
C++
#include "..\enodes.h"
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e2d::Text::Text()
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: m_bWordWrapping(false)
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, m_pFont(nullptr)
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, m_fWordWrappingWidth(0)
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{
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this->setFont(new Font());
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}
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e2d::Text::Text(const String & text)
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: m_bWordWrapping(false)
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, m_pFont(nullptr)
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, m_fWordWrappingWidth(0)
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{
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this->setText(text);
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this->setFont(new Font());
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}
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e2d::Text::Text(Font * font)
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: m_bWordWrapping(false)
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, m_pFont(nullptr)
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, m_fWordWrappingWidth(0)
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{
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this->setFont(font);
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}
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e2d::Text::Text(const String & text, Font * font)
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: m_bWordWrapping(false)
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, m_pFont(nullptr)
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, m_fWordWrappingWidth(0)
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{
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this->setText(text);
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this->setFont(font);
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}
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e2d::Text::Text(const String & text, String fontFamily, double fontSize, UINT32 color, UINT32 fontWeight, bool italic)
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: m_bWordWrapping(false)
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, m_pFont(nullptr)
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, m_fWordWrappingWidth(0)
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{
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this->setText(text);
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this->setFont(new Font(fontFamily, fontSize, color, fontWeight, italic));
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}
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e2d::Text::~Text()
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{
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SafeRelease(&m_pFont);
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}
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e2d::String e2d::Text::getText() const
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{
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return m_sText;
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}
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double e2d::Text::getWidth() const
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{
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return m_fWordWrappingWidth * m_fScaleX;
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}
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double e2d::Text::getRealWidth() const
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{
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return m_fWordWrappingWidth;
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}
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e2d::Font * e2d::Text::getFont() const
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{
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return m_pFont;
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}
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void e2d::Text::setText(const String & text)
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{
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m_sText = text;
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_initTextLayout();
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}
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void e2d::Text::setFont(Font * font)
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{
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if (font)
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{
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SafeRelease(&m_pFont);
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m_pFont = font;
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font->retain();
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_initTextLayout();
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}
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}
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void e2d::Text::setWordWrappingEnable(bool value)
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{
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m_bWordWrapping = value;
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_initTextLayout();
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}
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void e2d::Text::setWordWrappingWidth(double wordWrapWidth)
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{
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m_fWordWrappingWidth = max(static_cast<float>(wordWrapWidth), 0);
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_initTextLayout();
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}
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void e2d::Text::onRender()
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{
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Renderer::getSolidColorBrush()->SetColor(D2D1::ColorF(m_pFont->m_Color, m_fDisplayOpacity));
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Renderer::getRenderTarget()->DrawTextW(
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m_sText,
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static_cast<UINT32>(m_sText.getLength()),
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m_pFont->_getTextFormat(),
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D2D1::RectF(
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0,
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0,
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m_bWordWrapping ? m_fWordWrappingWidth : m_fWidth,
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m_fHeight
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),
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Renderer::getSolidColorBrush()
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);
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}
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void e2d::Text::_initTextLayout()
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{
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// δ<><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>ı<EFBFBD><C4B1><EFBFBD><EFBFBD><EFBFBD>Ϊ 0
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if (!m_pFont || m_sText.isEmpty())
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{
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this->setSize(0, 0);
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m_fWordWrappingWidth = 0;
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return;
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}
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// δ<><CEB4><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD> TextFormat <20><><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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if (!m_bWordWrapping)
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{
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m_pFont->_getTextFormat()->SetWordWrapping(DWRITE_WORD_WRAPPING_NO_WRAP);
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}
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else
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{
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m_pFont->_getTextFormat()->SetWordWrapping(DWRITE_WORD_WRAPPING_WRAP);
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}
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// <20><>ȡ TextLayout
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IDWriteTextLayout * pDWriteTextLayout = nullptr;
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HRESULT hr = Renderer::getIDWriteFactory()->CreateTextLayout(
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m_sText,
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static_cast<UINT32>(m_sText.getLength()),
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m_pFont->_getTextFormat(),
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m_bWordWrapping ? m_fWordWrappingWidth : 0,
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0,
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&pDWriteTextLayout
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);
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ASSERT(SUCCEEDED(hr), "Create IDWriteTextFormat Failed!");
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// <20><>ȡ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD><EFBFBD>ֵĿ<D6B5><C4BF>Ⱥ߶<CDB8>
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DWRITE_TEXT_METRICS metrics;
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pDWriteTextLayout->GetMetrics(&metrics);
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this->setSize(metrics.widthIncludingTrailingWhitespace, metrics.height);
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m_fWordWrappingWidth = metrics.widthIncludingTrailingWhitespace;
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// ɾ<><C9BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ
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SafeReleaseInterface(&pDWriteTextLayout);
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}
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