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-rw-r--r--src/openvg/qpaintengine_vg.cpp26
1 files changed, 20 insertions, 6 deletions
diff --git a/src/openvg/qpaintengine_vg.cpp b/src/openvg/qpaintengine_vg.cpp
index 1d633ed..75e5a60 100644
--- a/src/openvg/qpaintengine_vg.cpp
+++ b/src/openvg/qpaintengine_vg.cpp
@@ -77,6 +77,9 @@ QT_BEGIN_NAMESPACE
#if !defined(QVG_NO_DRAW_GLYPHS)
+// use the same rounding as in qrasterizer.cpp (6 bit fixed point)
+static const qreal aliasedCoordinateDelta = 0.5 - 0.015625;
+
Q_DECL_IMPORT extern int qt_defaultDpiX();
Q_DECL_IMPORT extern int qt_defaultDpiY();
@@ -102,6 +105,7 @@ private:
class QVGPaintEnginePrivate : public QPaintEngineExPrivate
{
+ Q_DECLARE_PUBLIC(QVGPaintEngine)
public:
// Extra blending modes from VG_KHR_advanced_blending extension.
// Use the QT_VG prefix to avoid conflicts with any definitions
@@ -132,7 +136,7 @@ public:
QT_VG_BLEND_XOR_KHR = 0x2026
};
- QVGPaintEnginePrivate();
+ QVGPaintEnginePrivate(QVGPaintEngine *q_ptr);
~QVGPaintEnginePrivate();
void init();
@@ -153,6 +157,7 @@ public:
void setBrushTransform(const QBrush& brush, VGMatrixMode mode);
void setupColorRamp(const QGradient *grad, VGPaint paint);
void setImageOptions();
+ void systemStateChanged();
#if !defined(QVG_SCISSOR_CLIP)
void ensureMask(QVGPaintEngine *engine, int width, int height);
void modifyMask
@@ -281,6 +286,9 @@ public:
// Clear all lazily-set modes.
void clearModes();
+
+private:
+ QVGPaintEngine *q;
};
inline void QVGPaintEnginePrivate::setImageMode(VGImageMode mode)
@@ -332,7 +340,7 @@ void QVGPaintEnginePrivate::clearModes()
imageQuality = (VGImageQuality)0;
}
-QVGPaintEnginePrivate::QVGPaintEnginePrivate()
+QVGPaintEnginePrivate::QVGPaintEnginePrivate(QVGPaintEngine *q_ptr) : q(q_ptr)
{
init();
}
@@ -1431,7 +1439,7 @@ QVGPainterState::~QVGPainterState()
}
QVGPaintEngine::QVGPaintEngine()
- : QPaintEngineEx(*new QVGPaintEnginePrivate)
+ : QPaintEngineEx(*new QVGPaintEnginePrivate(this))
{
}
@@ -2974,6 +2982,11 @@ void QVGPaintEnginePrivate::setImageOptions()
}
}
+void QVGPaintEnginePrivate::systemStateChanged()
+{
+ q->updateScissor();
+}
+
static void drawVGImage(QVGPaintEnginePrivate *d,
const QRectF& r, VGImage vgImg,
const QSize& imageSize, const QRectF& sr)
@@ -3432,9 +3445,10 @@ void QVGPaintEngine::drawStaticTextItem(QStaticTextItem *textItem)
// Set the transformation to use for drawing the current glyphs.
QTransform glyphTransform(d->pathTransform);
if (d->transform.type() <= QTransform::TxTranslate) {
- // Prevent blurriness of unscaled, unrotated text by using integer coordinates.
- // Using ceil(x-0.5) instead of qRound() or int-cast, behave like other paint engines.
- glyphTransform.translate(ceil(p.x() - 0.5), ceil(p.y() - 0.5));
+ // Prevent blurriness of unscaled, unrotated text by forcing integer coordinates.
+ glyphTransform.translate(
+ floor(p.x() + glyphTransform.dx() + aliasedCoordinateDelta) - glyphTransform.dx(),
+ floor(p.y() - glyphTransform.dy() + aliasedCoordinateDelta) + glyphTransform.dy());
} else {
glyphTransform.translate(p.x(), p.y());
}