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| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
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| ** |
| ** This file is part of the QtQuick module of the Qt Toolkit. |
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| ** |
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| ** Public license version 3 or any later version approved by the KDE Free |
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| ****************************************************************************/ |
| |
| #include "qsgsoftwareglyphnode_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| QSGSoftwareGlyphNode::QSGSoftwareGlyphNode() |
| : m_geometry(QSGGeometry::defaultAttributes_TexturedPoint2D(), 0) |
| , m_style(QQuickText::Normal) |
| { |
| setMaterial((QSGMaterial*)1); |
| setGeometry(&m_geometry); |
| } |
| |
| namespace { |
| QRectF calculateBoundingRect(const QPointF &position, const QGlyphRun &glyphs) |
| { |
| qreal minX = 0; |
| qreal minY = 0; |
| qreal maxX = 0; |
| qreal maxY = 0; |
| |
| for (int i = 0, n = qMin(glyphs.glyphIndexes().size(), glyphs.positions().size()); i < n; ++i) { |
| QRectF glyphRect = glyphs.rawFont().boundingRect(glyphs.glyphIndexes()[i]); |
| glyphRect.translate(glyphs.positions()[i]); |
| |
| if (i == 0) { |
| minX = glyphRect.left(); |
| minY = glyphRect.top(); |
| maxX = glyphRect.right(); |
| maxY = glyphRect.bottom(); |
| } else { |
| minX = qMin(glyphRect.left(), minX); |
| minY = qMin(glyphRect.top(), minY); |
| maxX = qMax(glyphRect.right(),maxX); |
| maxY = qMax(glyphRect.bottom(), maxY); |
| } |
| } |
| QRectF boundingRect(QPointF(minX, minY), QPointF(maxX, maxY)); |
| return boundingRect.translated(position - QPointF(0.0, glyphs.rawFont().ascent())); |
| } |
| } |
| |
| void QSGSoftwareGlyphNode::setGlyphs(const QPointF &position, const QGlyphRun &glyphs) |
| { |
| m_position = position; |
| m_glyphRun = glyphs; |
| m_bounding_rect = calculateBoundingRect(position, glyphs); |
| } |
| |
| void QSGSoftwareGlyphNode::setColor(const QColor &color) |
| { |
| m_color = color; |
| } |
| |
| void QSGSoftwareGlyphNode::setStyle(QQuickText::TextStyle style) |
| { |
| m_style = style; |
| } |
| |
| void QSGSoftwareGlyphNode::setStyleColor(const QColor &color) |
| { |
| m_styleColor = color; |
| } |
| |
| QPointF QSGSoftwareGlyphNode::baseLine() const |
| { |
| return QPointF(); |
| } |
| |
| void QSGSoftwareGlyphNode::setPreferredAntialiasingMode(QSGGlyphNode::AntialiasingMode) |
| { |
| } |
| |
| void QSGSoftwareGlyphNode::update() |
| { |
| } |
| |
| void QSGSoftwareGlyphNode::paint(QPainter *painter) |
| { |
| painter->setBrush(QBrush()); |
| QPointF pos = m_position - QPointF(0, m_glyphRun.rawFont().ascent()); |
| |
| qreal offset = 1.0; |
| if (painter->device()->devicePixelRatioF() > 0.0) |
| offset = 1.0 / painter->device()->devicePixelRatioF(); |
| |
| switch (m_style) { |
| case QQuickText::Normal: break; |
| case QQuickText::Outline: |
| painter->setPen(m_styleColor); |
| painter->drawGlyphRun(pos + QPointF(0, offset), m_glyphRun); |
| painter->drawGlyphRun(pos + QPointF(0, -offset), m_glyphRun); |
| painter->drawGlyphRun(pos + QPointF(offset, 0), m_glyphRun); |
| painter->drawGlyphRun(pos + QPointF(-offset, 0), m_glyphRun); |
| break; |
| case QQuickText::Raised: |
| painter->setPen(m_styleColor); |
| painter->drawGlyphRun(pos + QPointF(0, offset), m_glyphRun); |
| break; |
| case QQuickText::Sunken: |
| painter->setPen(m_styleColor); |
| painter->drawGlyphRun(pos + QPointF(0, -offset), m_glyphRun); |
| break; |
| } |
| |
| painter->setPen(m_color); |
| painter->drawGlyphRun(pos, m_glyphRun); |
| } |
| |
| QT_END_NAMESPACE |