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116 lines
2.5 KiB
C++
116 lines
2.5 KiB
C++
#include "TextComponent.h"
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#include "../Renderer.h"
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#include "../Log.h"
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#include "../Window.h"
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TextComponent::TextComponent(Window* window) : GuiComponent(window),
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mFont(NULL), mColor(0x000000FF), mAutoCalcExtent(true, true), mCentered(false)
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{
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}
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TextComponent::TextComponent(Window* window, const std::string& text, std::shared_ptr<Font> font, Eigen::Vector3f pos, Eigen::Vector2f size) : GuiComponent(window),
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mFont(NULL), mColor(0x000000FF), mAutoCalcExtent(true, true), mCentered(false)
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{
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setText(text);
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setFont(font);
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setPosition(pos);
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setSize(size);
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}
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void TextComponent::onSizeChanged()
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{
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mAutoCalcExtent << (getSize().x() == 0), (getSize().y() == 0);
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onTextChanged();
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}
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void TextComponent::setFont(std::shared_ptr<Font> font)
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{
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mFont = font;
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onTextChanged();
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}
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void TextComponent::setColor(unsigned int color)
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{
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mColor = color;
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mOpacity = mColor & 0x000000FF;
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onTextChanged();
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}
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void TextComponent::setText(const std::string& text)
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{
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mText = text;
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onTextChanged();
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}
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void TextComponent::setCentered(bool center)
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{
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mCentered = center;
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}
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std::shared_ptr<Font> TextComponent::getFont() const
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{
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if(mFont)
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return mFont;
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else
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return Font::get(*mWindow->getResourceManager(), Font::getDefaultPath(), FONT_SIZE_MEDIUM);
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}
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void TextComponent::render(const Eigen::Affine3f& parentTrans)
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{
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std::shared_ptr<Font> font = getFont();
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Eigen::Affine3f trans = parentTrans * getTransform();
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if(font && !mText.empty())
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{
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Renderer::setMatrix(trans);
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if(mCentered)
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{
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Eigen::Vector2f textSize = font->sizeWrappedText(mText, getSize().x());
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Eigen::Vector2f pos((getSize().x() - textSize.x()) / 2, 0);
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Eigen::Affine3f centeredTrans = trans;
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centeredTrans = centeredTrans.translate(Eigen::Vector3f(pos.x(), pos.y(), 0));
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Renderer::setMatrix(centeredTrans);
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}
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font->renderTextCache(mTextCache.get());
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}
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GuiComponent::renderChildren(trans);
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}
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void TextComponent::calculateExtent()
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{
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std::shared_ptr<Font> font = getFont();
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if(mAutoCalcExtent.x())
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{
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mSize = font->sizeText(mText);
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}else{
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if(mAutoCalcExtent.y())
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{
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mSize[1] = font->sizeWrappedText(mText, getSize().x()).y();
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}
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}
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}
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void TextComponent::onTextChanged()
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{
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calculateExtent();
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std::shared_ptr<Font> f = getFont();
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mTextCache = std::unique_ptr<TextCache>(f->buildTextCache(f->wrapText(mText, mSize.x()), 0, 0, (mColor >> 8 << 8) | mOpacity));
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}
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void TextComponent::setValue(const std::string& value)
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{
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setText(value);
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}
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std::string TextComponent::getValue() const
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{
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return mText;
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}
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