forked from mirror/nheko
Konstantinos Sideris
7 years ago
parent
bee9278a1a
commit
7621dc0cb0
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#pragma once |
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#include <QFontMetrics> |
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#include <QPaintDevice> |
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#include <QPainter> |
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class Painter : public QPainter |
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{ |
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public: |
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explicit Painter(QPaintDevice *device) |
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: QPainter(device) |
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{} |
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void drawTextLeft(int x, int y, const QString &text) |
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{ |
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QFontMetrics m(fontMetrics()); |
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drawText(x, y + m.ascent(), text); |
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} |
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void drawTextRight(int x, int y, int outerw, const QString &text, int textWidth = -1) |
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{ |
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QFontMetrics m(fontMetrics()); |
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if (textWidth < 0) |
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textWidth = m.width(text); |
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drawText((outerw - x - textWidth), y + m.ascent(), text); |
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} |
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void drawPixmapLeft(int x, int y, const QPixmap &pix, const QRect &from) |
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{ |
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drawPixmap(QPoint(x, y), pix, from); |
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} |
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void drawPixmapLeft(const QPoint &p, const QPixmap &pix, const QRect &from) |
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{ |
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return drawPixmapLeft(p.x(), p.y(), pix, from); |
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} |
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void drawPixmapLeft(int x, int y, int w, int h, const QPixmap &pix, const QRect &from) |
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{ |
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drawPixmap(QRect(x, y, w, h), pix, from); |
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} |
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void drawPixmapLeft(const QRect &r, const QPixmap &pix, const QRect &from) |
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{ |
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return drawPixmapLeft(r.x(), r.y(), r.width(), r.height(), pix, from); |
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} |
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void drawPixmapLeft(int x, int y, int outerw, const QPixmap &pix) |
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{ |
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Q_UNUSED(outerw); |
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drawPixmap(QPoint(x, y), pix); |
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} |
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void drawPixmapLeft(const QPoint &p, int outerw, const QPixmap &pix) |
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{ |
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return drawPixmapLeft(p.x(), p.y(), outerw, pix); |
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} |
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void drawPixmapRight(int x, int y, int outerw, const QPixmap &pix, const QRect &from) |
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{ |
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drawPixmap( |
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QPoint((outerw - x - (from.width() / pix.devicePixelRatio())), y), pix, from); |
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} |
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void drawPixmapRight(const QPoint &p, int outerw, const QPixmap &pix, const QRect &from) |
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{ |
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return drawPixmapRight(p.x(), p.y(), outerw, pix, from); |
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} |
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void drawPixmapRight(int x, |
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int y, |
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int w, |
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int h, |
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int outerw, |
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const QPixmap &pix, |
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const QRect &from) |
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{ |
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drawPixmap(QRect((outerw - x - w), y, w, h), pix, from); |
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} |
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void drawPixmapRight(const QRect &r, int outerw, const QPixmap &pix, const QRect &from) |
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{ |
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return drawPixmapRight(r.x(), r.y(), r.width(), r.height(), outerw, pix, from); |
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} |
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void drawPixmapRight(int x, int y, int outerw, const QPixmap &pix) |
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{ |
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drawPixmap(QPoint((outerw - x - (pix.width() / pix.devicePixelRatio())), y), pix); |
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} |
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void drawPixmapRight(const QPoint &p, int outerw, const QPixmap &pix) |
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{ |
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return drawPixmapRight(p.x(), p.y(), outerw, pix); |
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} |
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void drawAvatar(const QPixmap &pix, int w, int h, int d) |
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{ |
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QPainterPath pp; |
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pp.addEllipse((w - d) / 2, (h - d) / 2, d, d); |
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QRect region((w - d) / 2, (h - d) / 2, d, d); |
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setClipPath(pp); |
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drawPixmap(region, pix); |
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} |
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void drawLetterAvatar(const QChar &c, |
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const QColor &penColor, |
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const QColor &brushColor, |
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int w, |
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int h, |
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int d) |
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{ |
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QRect region((w - d) / 2, (h - d) / 2, d, d); |
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setPen(Qt::NoPen); |
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setBrush(brushColor); |
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drawEllipse(region.center(), d / 2, d / 2); |
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setBrush(Qt::NoBrush); |
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drawEllipse(region.center(), d / 2, d / 2); |
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setPen(penColor); |
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drawText(region.translated(0, -1), Qt::AlignCenter, c); |
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} |
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}; |
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class PainterHighQualityEnabler |
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{ |
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public: |
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PainterHighQualityEnabler(Painter &p) |
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: _painter(p) |
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{ |
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static constexpr QPainter::RenderHint Hints[] = {QPainter::Antialiasing, |
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QPainter::SmoothPixmapTransform, |
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QPainter::TextAntialiasing, |
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QPainter::HighQualityAntialiasing}; |
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auto hints = _painter.renderHints(); |
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for (const auto &hint : Hints) { |
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if (!(hints & hint)) |
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hints_ |= hint; |
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} |
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if (hints_) |
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_painter.setRenderHints(hints_); |
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} |
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~PainterHighQualityEnabler() |
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{ |
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if (hints_) |
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_painter.setRenderHints(hints_, false); |
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} |
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PainterHighQualityEnabler(const PainterHighQualityEnabler &other) = delete; |
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PainterHighQualityEnabler &operator=(const PainterHighQualityEnabler &other) = delete; |
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private: |
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Painter &_painter; |
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QPainter::RenderHints hints_ = 0; |
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}; |
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Before Width: | Height: | Size: 2.8 KiB |
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Before Width: | Height: | Size: 3.9 KiB After Width: | Height: | Size: 818 B |
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