449 lines
7.7 KiB
C++
449 lines
7.7 KiB
C++
#include "..\e2dnode.h"
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//-------------------------------------------------------
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// Style
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//-------------------------------------------------------
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e2d::Text::Style::Style()
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: color(Color::White)
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, alignment(Align::Left)
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, wrapping(false)
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, wrappingWidth(0.f)
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, lineSpacing(0.f)
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, hasUnderline(false)
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, hasStrikethrough(false)
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, hasOutline(true)
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, outlineColor(Color(Color::Black, 0.5))
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, outlineWidth(1.f)
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, outlineStroke(Stroke::Round)
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{}
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e2d::Text::Style::Style(
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Color color,
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Align alignment,
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bool wrapping,
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float wrappingWidth,
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float lineSpacing,
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bool hasUnderline,
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bool hasStrikethrough,
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bool hasOutline,
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Color outlineColor,
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float outlineWidth,
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Stroke outlineStroke
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)
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: color(color)
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, alignment(alignment)
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, wrapping(wrapping)
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, wrappingWidth(wrappingWidth)
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, lineSpacing(lineSpacing)
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, hasUnderline(hasUnderline)
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, hasStrikethrough(hasStrikethrough)
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, hasOutline(hasOutline)
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, outlineColor(outlineColor)
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, outlineWidth(outlineWidth)
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, outlineStroke(outlineStroke)
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{}
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//-------------------------------------------------------
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// Text
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//-------------------------------------------------------
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e2d::Text::Text()
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: _font()
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, _style()
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, _textLayout(nullptr)
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, _textFormat(nullptr)
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{
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}
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e2d::Text::Text(const String & text, const Font & font, const Style & style)
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: _font(font)
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, _style(style)
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, _textLayout(nullptr)
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, _textFormat(nullptr)
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, _text(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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SafeRelease(_textFormat);
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SafeRelease(_textLayout);
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}
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const e2d::String& e2d::Text::getText() const
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{
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return _text;
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}
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const e2d::Font& e2d::Text::getFont() const
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{
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return _font;
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}
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const e2d::Text::Style& e2d::Text::getStyle() const
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{
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return _style;
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}
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const e2d::String& e2d::Text::getFontFamily() const
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{
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return _font.family;
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}
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float e2d::Text::getFontSize() const
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{
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return _font.size;
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}
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UINT e2d::Text::getFontWeight() const
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{
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return _font.weight;
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}
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const e2d::Color& e2d::Text::getColor() const
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{
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return _style.color;
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}
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const e2d::Color& e2d::Text::getOutlineColor() const
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{
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return _style.outlineColor;
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}
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float e2d::Text::getOutlineWidth() const
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{
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return _style.outlineWidth;
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}
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e2d::Stroke e2d::Text::getOutlineStroke() const
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{
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return _style.outlineStroke;
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}
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int e2d::Text::getLineCount() const
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{
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if (_textLayout)
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{
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DWRITE_TEXT_METRICS metrics;
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_textLayout->GetMetrics(&metrics);
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return static_cast<int>(metrics.lineCount);
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}
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else
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{
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return 0;
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}
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}
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bool e2d::Text::isItalic() const
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{
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return _font.italic;
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}
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bool e2d::Text::hasStrikethrough() const
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{
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return _style.hasStrikethrough;
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}
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bool e2d::Text::hasUnderline() const
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{
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return _style.hasUnderline;
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}
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bool e2d::Text::hasOutline() const
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{
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return _style.hasOutline;
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}
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void e2d::Text::setText(const String& text)
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{
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_text = text;
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_reset();
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}
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void e2d::Text::setStyle(const Style& style)
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{
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_style = style;
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_reset();
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}
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void e2d::Text::setFont(const Font & font)
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{
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_font = font;
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_reset();
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}
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void e2d::Text::setFontFamily(const String& family)
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{
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_font.family = family;
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_reset();
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}
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void e2d::Text::setFontSize(float size)
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{
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_font.size = size;
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_reset();
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}
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void e2d::Text::setFontWeight(UINT weight)
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{
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_font.weight = weight;
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_reset();
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}
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void e2d::Text::setColor(Color color)
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{
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_style.color = color;
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}
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void e2d::Text::setItalic(bool value)
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{
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_font.italic = value;
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_reset();
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}
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void e2d::Text::setWrapping(bool wrapping)
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{
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if (_style.wrapping != wrapping)
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{
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_style.wrapping = wrapping;
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_reset();
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}
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}
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void e2d::Text::setWrappingWidth(float wrappingWidth)
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{
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if (_style.wrappingWidth != wrappingWidth)
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{
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_style.wrappingWidth = std::max(wrappingWidth, 0.f);
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if (_style.wrapping)
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{
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_reset();
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}
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}
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}
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void e2d::Text::setLineSpacing(float lineSpacing)
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{
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if (_style.lineSpacing != lineSpacing)
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{
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_style.lineSpacing = lineSpacing;
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_reset();
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}
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}
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void e2d::Text::setAlignment(Align align)
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{
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if (_style.alignment != align)
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{
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_style.alignment = align;
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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 (_style.hasUnderline != hasUnderline)
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{
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_style.hasUnderline = hasUnderline;
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if (!_textFormat)
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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 (_style.hasStrikethrough != hasStrikethrough)
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{
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_style.hasStrikethrough = hasStrikethrough;
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if (!_textFormat)
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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::setOutline(bool hasOutline)
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{
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_style.hasOutline = hasOutline;
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}
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void e2d::Text::setOutlineColor(Color outlineColor)
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{
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_style.outlineColor = outlineColor;
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}
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void e2d::Text::setOutlineWidth(float outlineWidth)
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{
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_style.outlineWidth = outlineWidth;
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}
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void e2d::Text::setOutlineStroke(Stroke outlineStroke)
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{
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_style.outlineStroke = outlineStroke;
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}
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void e2d::Text::draw() const
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{
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if (_textLayout)
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{
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auto renderer = Renderer::getInstance();
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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, _width, _height);
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// <20><><EFBFBD>û<EFBFBD>ˢ<EFBFBD><CBA2>ɫ<EFBFBD><C9AB><EFBFBD><CDB8><EFBFBD><EFBFBD>
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renderer->getSolidColorBrush()->SetOpacity(_displayOpacity);
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// <20><>ȡ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD>Ⱦ<EFBFBD><C8BE>
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auto textRenderer = renderer->getTextRenderer();
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textRenderer->SetTextStyle(
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(D2D1_COLOR_F)_style.color,
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_style.hasOutline,
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(D2D1_COLOR_F)_style.outlineColor,
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_style.outlineWidth,
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D2D1_LINE_JOIN(_style.outlineStroke)
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);
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_textLayout->Draw(nullptr, textRenderer, 0, 0);
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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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SafeRelease(_textFormat);
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ThrowIfFailed(
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Renderer::getWriteFactory()->CreateTextFormat(
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(const WCHAR *)_font.family,
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nullptr,
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DWRITE_FONT_WEIGHT(_font.weight),
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_font.italic ? DWRITE_FONT_STYLE_ITALIC : DWRITE_FONT_STYLE_NORMAL,
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DWRITE_FONT_STRETCH_NORMAL,
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_font.size,
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L"",
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&_textFormat
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)
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);
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><D6B6>뷽ʽ
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_textFormat->SetTextAlignment(DWRITE_TEXT_ALIGNMENT(_style.alignment));
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// <20><><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD><D0BC><EFBFBD>
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if (_style.lineSpacing == 0.f)
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{
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_textFormat->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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_textFormat->SetLineSpacing(
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DWRITE_LINE_SPACING_METHOD_UNIFORM,
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_style.lineSpacing,
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_style.lineSpacing * 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 (_style.wrapping)
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{
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_textFormat->SetWordWrapping(DWRITE_WORD_WRAPPING_WRAP);
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}
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else
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{
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_textFormat->SetWordWrapping(DWRITE_WORD_WRAPPING_NO_WRAP);
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}
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}
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void e2d::Text::_createLayout()
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{
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SafeRelease(_textLayout);
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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 (_text.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 (_textFormat == nullptr)
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{
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WARN("Text::_createLayout failed! _textFormat NULL pointer exception.");
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return;
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}
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UINT32 length = (UINT32)_text.length();
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auto writeFactory = Renderer::getWriteFactory();
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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 (_style.wrapping)
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{
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ThrowIfFailed(
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writeFactory->CreateTextLayout(
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(const WCHAR *)_text,
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length,
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_textFormat,
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_style.wrappingWidth,
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0,
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&_textLayout
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)
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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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_textLayout->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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else
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{
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// Ϊ<><CEAA>ֹ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⣬<EFBFBD><E2A3AC><EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD><C8B4><EFBFBD> layout <20>Ի<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>
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ThrowIfFailed(
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writeFactory->CreateTextLayout(
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(const WCHAR *)_text,
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length,
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_textFormat,
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0,
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0,
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&_textLayout
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)
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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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_textLayout->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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SafeRelease(_textLayout);
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ThrowIfFailed(
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writeFactory->CreateTextLayout(
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(const WCHAR *)_text,
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length,
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_textFormat,
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_width,
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0,
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&_textLayout
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)
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);
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}
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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 (_style.hasUnderline)
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{
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_textLayout->SetUnderline(true, range);
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}
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if (_style.hasStrikethrough)
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{
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_textLayout->SetStrikethrough(true, range);
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}
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}
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