void QBlitterPaintEnginePrivate::updateBrushState(QPainterState *s)
{
Qt::BrushStyle style = qbrush_style(s->brush);
caps.updateState(STATE_BRUSH_PATTERN, style > Qt::SolidPattern);
caps.updateState(STATE_BRUSH_ALPHA,
qbrush_color(s->brush).alpha() < 255);
}
void QBlitterPaintEnginePrivate::updateTransformState(QPainterState *s)
{
QTransform::TransformationType type = s->matrix.type();
caps.updateState(STATE_XFORM_COMPLEX, type > QTransform::TxScale);
caps.updateState(STATE_XFORM_SCALE, type > QTransform::TxTranslate);
hasXForm = type >= QTransform::TxTranslate;
}
void QBlitterPaintEnginePrivate::updateTransformState(QPainterState *s)
{
QTransform::TransformationType type = s->matrix.type();
// consider scaling operations with a negative factor as "complex" for now.
// as some blitters could handle axisymmetrical operations, we should improve blitter
// paint engine to handle them as a capability
caps.updateState(STATE_XFORM_COMPLEX, (type > QTransform::TxScale) ||
((type == QTransform::TxScale) && ((s->matrix.m11() < 0.0) || (s->matrix.m22() < 0.0))));
caps.updateState(STATE_XFORM_SCALE, type > QTransform::TxTranslate);
hasXForm = type >= QTransform::TxTranslate;
}
void QBlitterPaintEnginePrivate::updateCompositionModeState(QPainterState *s)
{
bool nonTrivial = s->composition_mode != QPainter::CompositionMode_SourceOver
&& s->composition_mode != QPainter::CompositionMode_Source;
caps.updateState(STATE_BLENDING_COMPLEX, nonTrivial);
}
void QBlitterPaintEnginePrivate::updateClipState(QPainterState *)
{
const QClipData *clipData = clip();
bool complexClip = clipData && !(clipData->hasRectClip || clipData->hasRegionClip);
caps.updateState(STATE_CLIP_COMPLEX, complexClip);
}
void QBlitterPaintEnginePrivate::updateRenderHintsState(QPainterState *s)
{
bool aa = s->renderHints & QPainter::Antialiasing;
caps.updateState(STATE_ANTIALIASING, aa);
}
void QBlitterPaintEnginePrivate::updateOpacityState(QPainterState *s)
{
bool translucent = s->opacity < 1;
caps.updateState(STATE_ALPHA, translucent);
}
void QBlitterPaintEnginePrivate::updatePenState(QPainterState *s)
{
caps.updateState(STATE_PEN_ENABLED, qpen_style(s->pen) != Qt::NoPen);
}
