6663b6c9
 adorian
projet complet av...
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#include <escher/expression_view.h>
using namespace Poincare;
ExpressionView::ExpressionView(float horizontalAlignment, float verticalAlignment,
KDColor textColor, KDColor backgroundColor) :
m_expressionLayout(nullptr),
m_horizontalAlignment(horizontalAlignment),
m_verticalAlignment(verticalAlignment),
m_textColor(textColor),
m_backgroundColor(backgroundColor)
{
}
void ExpressionView::setExpression(ExpressionLayout * expressionLayout) {
m_expressionLayout = expressionLayout;
markRectAsDirty(bounds());
}
void ExpressionView::setBackgroundColor(KDColor backgroundColor) {
m_backgroundColor = backgroundColor;
markRectAsDirty(bounds());
}
void ExpressionView::setTextColor(KDColor textColor) {
m_textColor = textColor;
markRectAsDirty(bounds());
}
void ExpressionView::setAlignment(float horizontalAlignment, float verticalAlignment) {
m_horizontalAlignment = horizontalAlignment;
m_verticalAlignment = verticalAlignment;
markRectAsDirty(bounds());
}
KDSize ExpressionView::minimalSizeForOptimalDisplay() const {
if (m_expressionLayout == nullptr) {
return KDSizeZero;
}
return m_expressionLayout->size();
}
void ExpressionView::drawRect(KDContext * ctx, KDRect rect) const {
ctx->fillRect(rect, m_backgroundColor);
if (m_expressionLayout != nullptr) {
//Position the origin of expression
KDSize expressionSize = m_expressionLayout->size();
KDPoint origin(m_horizontalAlignment*(m_frame.width() - expressionSize.width()),
0.5f*(m_frame.height() - expressionSize.height()));
m_expressionLayout->draw(ctx, origin, m_textColor, m_backgroundColor);
}
}
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