347 lines
6.9 KiB
C++
347 lines
6.9 KiB
C++
#include "..\enode.h"
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e2d::Text::Text()
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: m_bWrappingEnable(false)
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, m_Font()
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, m_nAlign(TextAlign::LEFT)
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, m_fLineSpacing(0.0f)
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, m_fWrappingWidth(0.0f)
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, m_pDWriteTextLayout(nullptr)
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, m_pDWriteTextFormat(nullptr)
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{
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}
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e2d::Text::Text(String text)
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: m_bWrappingEnable(false)
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, m_Font()
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, m_nAlign(TextAlign::LEFT)
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, m_fLineSpacing(0.0f)
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, m_fWrappingWidth(0.0f)
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, m_pDWriteTextLayout(nullptr)
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, m_pDWriteTextFormat(nullptr)
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, m_sText(text)
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{
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_reset();
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}
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e2d::Text::Text(Font font)
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: m_bWrappingEnable(false)
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, m_Font(font)
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, m_nAlign(TextAlign::LEFT)
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, m_fLineSpacing(0.0f)
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, m_fWrappingWidth(0.0f)
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, m_pDWriteTextLayout(nullptr)
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, m_pDWriteTextFormat(nullptr)
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{
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_reset();
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}
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e2d::Text::Text(String text, Font font)
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: m_bWrappingEnable(false)
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, m_Font(font)
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, m_nAlign(TextAlign::LEFT)
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, m_fLineSpacing(0.0f)
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, m_fWrappingWidth(0.0f)
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, m_pDWriteTextLayout(nullptr)
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, m_pDWriteTextFormat(nullptr)
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, m_sText(text)
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{
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_reset();
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}
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e2d::Text::Text(String text, String fontFamily, double fontSize, UINT32 color, UINT32 fontWeight, bool italic, bool hasUnderline, bool hasStrikethrough)
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: m_bWrappingEnable(false)
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, m_Font(Font(fontFamily, fontSize, color, fontWeight, italic, hasUnderline, hasStrikethrough))
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, m_nAlign(TextAlign::LEFT)
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, m_fLineSpacing(0.0f)
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, m_fWrappingWidth(0.0f)
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, m_pDWriteTextLayout(nullptr)
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, m_pDWriteTextFormat(nullptr)
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, m_sText(text)
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{
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_reset();
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}
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e2d::Text::~Text()
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{
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SafeReleaseInterface(&m_pDWriteTextFormat);
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SafeReleaseInterface(&m_pDWriteTextLayout);
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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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e2d::Font e2d::Text::getFont() const
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{
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return m_Font;
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}
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e2d::String e2d::Text::getFontFamily() const
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{
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return m_Font.fontFamily;
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}
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double e2d::Text::getFontSize() const
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{
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return m_Font.size;
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}
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UINT32 e2d::Text::getFontWeight() const
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{
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return m_Font.weight;
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}
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UINT32 e2d::Text::getColor() const
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{
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return m_Font.color;
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}
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int e2d::Text::getLineCount() const
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{
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DWRITE_TEXT_METRICS metrics;
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m_pDWriteTextLayout->GetMetrics(&metrics);
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return static_cast<int>(metrics.lineCount);
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}
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bool e2d::Text::isItalic() const
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{
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return m_Font.italic;
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}
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void e2d::Text::setText(String text)
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{
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m_sText = text;
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_reset();
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}
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void e2d::Text::setFont(Font font)
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{
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m_Font = font;
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_reset();
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}
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void e2d::Text::setFontFamily(String fontFamily)
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{
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m_Font.fontFamily = fontFamily;
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_reset();
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}
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void e2d::Text::setFontSize(double fontSize)
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{
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m_Font.size = static_cast<float>(fontSize);
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_reset();
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}
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void e2d::Text::setFontWeight(UINT32 fontWeight)
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{
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m_Font.weight = fontWeight;
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_reset();
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}
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void e2d::Text::setColor(UINT32 color)
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{
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m_Font.color = color;
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}
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void e2d::Text::setItalic(bool value)
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{
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m_Font.italic = value;
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_reset();
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}
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void e2d::Text::setWrappingWidth(double fWrappingWidth)
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{
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if (m_fWrappingWidth != fWrappingWidth)
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{
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m_fWrappingWidth = max(static_cast<float>(fWrappingWidth), 0);
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m_bWrappingEnable = (m_fWrappingWidth > FLT_MIN);
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_reset();
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}
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}
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void e2d::Text::setLineSpacing(double fLineSpacing)
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{
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if (m_fLineSpacing != fLineSpacing)
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{
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m_fLineSpacing = static_cast<float>(fLineSpacing);
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_reset();
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}
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}
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void e2d::Text::setAlignment(int nAlign)
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{
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if (m_nAlign != nAlign)
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{
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m_nAlign = nAlign;
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_reset();
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}
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}
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void e2d::Text::setUnderline(bool hasUnderline)
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{
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if (m_Font.underline != hasUnderline)
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{
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m_Font.underline = hasUnderline;
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if (!m_pDWriteTextFormat)
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_createFormat();
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_createLayout();
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}
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}
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void e2d::Text::setStrikethrough(bool hasStrikethrough)
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{
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if (m_Font.strikethrough != hasStrikethrough)
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{
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m_Font.strikethrough = hasStrikethrough;
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if (!m_pDWriteTextFormat)
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_createFormat();
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_createLayout();
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}
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}
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void e2d::Text::onRender()
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{
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// <20><><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1><EFBFBD><EFBFBD><EFBFBD>
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D2D1_RECT_F textLayoutRect = D2D1::RectF(0, 0, m_fWidth, m_fHeight);
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// <20><><EFBFBD>û<EFBFBD>ˢ<EFBFBD><CBA2>ɫ<EFBFBD><C9AB><EFBFBD><CDB8><EFBFBD><EFBFBD>
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Renderer::getSolidColorBrush()->SetColor(D2D1::ColorF(m_Font.color, m_fDisplayOpacity));
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// <20><>Ⱦ<EFBFBD><C8BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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if (m_pDWriteTextLayout)
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{
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Renderer::getRenderTarget()->DrawTextLayout(
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D2D1::Point2F(0, 0),
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m_pDWriteTextLayout,
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Renderer::getSolidColorBrush()
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);
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}
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}
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void e2d::Text::_reset()
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{
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD>ʽ<EFBFBD><CABD>
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_createFormat();
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֲ<EFBFBD><D6B2><EFBFBD>
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_createLayout();
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}
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void e2d::Text::_createFormat()
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{
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SafeReleaseInterface(&m_pDWriteTextFormat);
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HRESULT hr = Renderer::getIDWriteFactory()->CreateTextFormat(
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m_Font.fontFamily,
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NULL,
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DWRITE_FONT_WEIGHT(m_Font.weight),
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m_Font.italic ? DWRITE_FONT_STYLE_ITALIC : DWRITE_FONT_STYLE_NORMAL,
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DWRITE_FONT_STRETCH_NORMAL,
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static_cast<float>(m_Font.size),
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L"zh-cn",
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&m_pDWriteTextFormat
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);
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ASSERT(SUCCEEDED(hr), "Create IDWriteTextFormat Failed!");
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if (m_pDWriteTextFormat)
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{
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><D6B6>뷽ʽ
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m_pDWriteTextFormat->SetTextAlignment(DWRITE_TEXT_ALIGNMENT(m_nAlign));
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// <20><><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD><D0BC><EFBFBD>
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if (m_fLineSpacing == 0.0f)
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{
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m_pDWriteTextFormat->SetLineSpacing(DWRITE_LINE_SPACING_METHOD_DEFAULT, 0, 0);
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}
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else
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{
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m_pDWriteTextFormat->SetLineSpacing(
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DWRITE_LINE_SPACING_METHOD_UNIFORM,
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m_fLineSpacing,
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m_fLineSpacing * 0.8f
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);
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}
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// <20><><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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if (m_bWrappingEnable)
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{
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m_pDWriteTextFormat->SetWordWrapping(DWRITE_WORD_WRAPPING_WRAP);
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}
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else
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{
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m_pDWriteTextFormat->SetWordWrapping(DWRITE_WORD_WRAPPING_NO_WRAP);
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}
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}
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}
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void e2d::Text::_createLayout()
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{
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SafeReleaseInterface(&m_pDWriteTextLayout);
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// <20>ı<EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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if (m_sText.isEmpty())
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{
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this->setSize(0, 0);
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return;
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}
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if (m_pDWriteTextFormat == nullptr)
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{
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WARN_IF(true, "Text::_createLayout failed! m_pDWriteTextFormat NULL pointer exception.");
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return;
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}
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UINT32 length = static_cast<UINT32>(m_sText.getLength());
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// <20><><EFBFBD><EFBFBD> TextLayout
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HRESULT hr;
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// <20><><EFBFBD>ı<EFBFBD><C4B1>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>½<EFBFBD><C2BD>д<EFBFBD><D0B4><EFBFBD>
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if (m_bWrappingEnable)
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{
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hr = Renderer::getIDWriteFactory()->CreateTextLayout(
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m_sText,
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length,
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m_pDWriteTextFormat,
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m_fWrappingWidth,
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0,
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&m_pDWriteTextLayout
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);
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if (m_pDWriteTextLayout)
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{
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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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m_pDWriteTextLayout->GetMetrics(&metrics);
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// <20><><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1><EFBFBD><EFBFBD><EFBFBD>
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this->setSize(metrics.layoutWidth, metrics.height);
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}
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}
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else
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{
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hr = Renderer::getIDWriteFactory()->CreateTextLayout(m_sText, length, m_pDWriteTextFormat, 0, 0, &m_pDWriteTextLayout);
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// Ϊ<><CEAA>ֹ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⣬<EFBFBD><E2A3AC><EFBFBD>ݸղŴ<D5B2><C5B4><EFBFBD><EFBFBD><EFBFBD> layout <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>´<EFBFBD><C2B4><EFBFBD><EFBFBD><EFBFBD>
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if (m_pDWriteTextLayout)
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{
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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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m_pDWriteTextLayout->GetMetrics(&metrics);
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// <20><><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><C4B1><EFBFBD><EFBFBD><EFBFBD>
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this->setSize(metrics.width, metrics.height);
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// <20><><EFBFBD>´<EFBFBD><C2B4><EFBFBD> layout
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SafeReleaseInterface(&m_pDWriteTextLayout);
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hr = Renderer::getIDWriteFactory()->CreateTextLayout(m_sText, length, m_pDWriteTextFormat, m_fWidth, 0, &m_pDWriteTextLayout);
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}
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}
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ASSERT(SUCCEEDED(hr), "Create IDWriteTextFormat Failed!");
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// <20><><EFBFBD><EFBFBD><EFBFBD>»<EFBFBD><C2BB>ߺ<EFBFBD>ɾ<EFBFBD><C9BE><EFBFBD><EFBFBD>
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DWRITE_TEXT_RANGE range = { 0, length };
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if (m_Font.underline)
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{
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m_pDWriteTextLayout->SetUnderline(true, range);
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}
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if (m_Font.strikethrough)
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{
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m_pDWriteTextLayout->SetStrikethrough(true, range);
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}
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}
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