blitter: Use CapabilitiesToStateMask as a class member

Move the bit helper functions into CapabilitiesToStateMask as they
are only used in this class, allocate the class as part of the
QBlitterPaintEnginePrivate, shorten the name as well.

Change-Id: If22ddd117a9789cd98edb08f23fd0ffabb17d5a5
Reviewed-by: Jørgen Lind <jorgen.lind@nokia.com>

1 files changed, 29 insertions, 31 deletions

diff --git a/src/gui/painting/qpaintengine_blitter.cpp b/src/gui/painting/qpaintengine_blitter.cpp
index 528a8cfbdd..c37355bd64 100644
--- a/src/gui/painting/qpaintengine_blitter.cpp
+++ b/src/gui/painting/qpaintengine_blitter.cpp
@@ -65,16 +65,6 @@ QT_BEGIN_NAMESPACE
 #define STATE_CLIP_COMPLEX      0x00020000
 
 
-static inline void updateStateBits(uint *state, uint mask, bool on)
-{
-    *state = on ? (*state | mask) : (*state & ~mask);
-}
-
-static inline bool checkStateAgainstMask(uint state, uint mask)
-{
-    return !state || (state & mask && !(state & ~mask));
-}
-
 class CapabilitiesToStateMask
 {
 public:
@@ -127,7 +117,17 @@ public:
         updateStateBits(&capabillitiesState, mask, on);
     }
 
-public:
+private:
+
+    static inline void updateStateBits(uint *state, uint mask, bool on)
+    {
+        *state = on ? (*state | mask) : (*state & ~mask);
+    }
+
+    static inline bool checkStateAgainstMask(uint state, uint mask)
+    {
+        return !state || (state & mask && !(state & ~mask));
+    }
 
     void setFillRectMask() {
         updateStateBits(&fillRectMask, STATE_XFORM_SCALE, false);
@@ -187,12 +187,12 @@ public:
     QBlitterPaintEnginePrivate(QBlittablePlatformPixmap *p)
         : QPaintEngineExPrivate()
         , pmData(p)
+        , caps(pmData->blittable()->capabilities())
         , isBlitterLocked(false)
         , hasXForm(false)
 
     {
         raster.reset(new QRasterPaintEngine(p->buffer()));
-        capabillities.reset(new CapabilitiesToStateMask(pmData->blittable()->capabilities()));
     }
 
     inline void lock() {
@@ -264,7 +264,7 @@ public:
         Q_Q(QBlitterPaintEngine);
         const QClipData *clip = q->clipData();
         bool complex = clip && !(clip->hasRectClip || clip->hasRegionClip);
-        capabillities->updateState(STATE_CLIP_COMPLEX, complex);
+        caps.updateState(STATE_CLIP_COMPLEX, complex);
     }
 
     void systemStateChanged() {
@@ -274,10 +274,8 @@ public:
     QScopedPointer<QRasterPaintEngine> raster;
 
     QBlittablePlatformPixmap *pmData;
+    CapabilitiesToStateMask caps;
     bool isBlitterLocked;
-
-    QScopedPointer<CapabilitiesToStateMask> capabillities;
-
     uint hasXForm;
 };
 
@@ -335,7 +333,7 @@ void QBlitterPaintEngine::fill(const QVectorPath &path, const QBrush &brush)
 void QBlitterPaintEngine::fillRect(const QRectF &rect, const QColor &color)
 {
     Q_D(QBlitterPaintEngine);
-    if (d->capabillities->canBlitterFillRect() && color.alpha() == 0xff) {
+    if (d->caps.canBlitterFillRect() && color.alpha() == 0xff) {
         d->fillRect(rect, color);
     } else {
         d->lock();
@@ -353,10 +351,10 @@ void QBlitterPaintEngine::fillRect(const QRectF &rect, const QBrush &brush)
 
     if (qbrush_style(brush) == Qt::SolidPattern
         && qbrush_color(brush).alpha() == 0xff
-        && d->capabillities->canBlitterFillRect()) {
+        && d->caps.canBlitterFillRect()) {
         d->fillRect(rect, qbrush_color(brush));
     } else if (brush.style() == Qt::TexturePattern
-              && d->capabillities->canBlitterDrawPixmap(rect, brush.texture(), rect)) {
+              && d->caps.canBlitterDrawPixmap(rect, brush.texture(), rect)) {
         bool rectIsFilled = false;
         QRectF transformedRect = state()->matrix.mapRect(rect);
         qreal x = transformedRect.x();
@@ -463,7 +461,7 @@ void QBlitterPaintEngine::penChanged()
     Q_D(QBlitterPaintEngine);
     d->lock();
     d->raster->penChanged();
-    d->capabillities->updateState(STATE_PEN_ENABLED, qpen_style(state()->pen) != Qt::NoPen);
+    d->caps.updateState(STATE_PEN_ENABLED, qpen_style(state()->pen) != Qt::NoPen);
 }
 
 void QBlitterPaintEngine::brushChanged()
@@ -473,9 +471,9 @@ void QBlitterPaintEngine::brushChanged()
 
     bool solid = qbrush_style(state()->brush) == Qt::SolidPattern;
 
-    d->capabillities->updateState(STATE_BRUSH_PATTERN, !solid);
-    d->capabillities->updateState(STATE_BRUSH_ALPHA,
-                                    qbrush_color(state()->brush).alpha() < 255);
+    d->caps.updateState(STATE_BRUSH_PATTERN, !solid);
+    d->caps.updateState(STATE_BRUSH_ALPHA,
+                        qbrush_color(state()->brush).alpha() < 255);
 }
 
 void QBlitterPaintEngine::brushOriginChanged()
@@ -490,7 +488,7 @@ void QBlitterPaintEngine::opacityChanged()
     d->raster->opacityChanged();
 
     bool translucent = state()->opacity < 1;
-    d->capabillities->updateState(STATE_ALPHA, translucent);
+    d->caps.updateState(STATE_ALPHA, translucent);
 }
 
 void QBlitterPaintEngine::compositionModeChanged()
@@ -501,7 +499,7 @@ void QBlitterPaintEngine::compositionModeChanged()
     bool nonTrivial = state()->composition_mode != QPainter::CompositionMode_SourceOver
                       && state()->composition_mode != QPainter::CompositionMode_Source;
 
-    d->capabillities->updateState(STATE_BLENDING_COMPLEX, nonTrivial);
+    d->caps.updateState(STATE_BLENDING_COMPLEX, nonTrivial);
 }
 
 void QBlitterPaintEngine::renderHintsChanged()
@@ -510,7 +508,7 @@ void QBlitterPaintEngine::renderHintsChanged()
     d->raster->renderHintsChanged();
 
     bool aa = state()->renderHints & QPainter::Antialiasing;
-    d->capabillities->updateState(STATE_ANTIALIASING, aa);
+    d->caps.updateState(STATE_ANTIALIASING, aa);
 
 }
 
@@ -521,8 +519,8 @@ void QBlitterPaintEngine::transformChanged()
 
     QTransform::TransformationType type = state()->matrix.type();
 
-    d->capabillities->updateState(STATE_XFORM_COMPLEX, type > QTransform::TxScale);
-    d->capabillities->updateState(STATE_XFORM_SCALE, type > QTransform::TxTranslate);
+    d->caps.updateState(STATE_XFORM_COMPLEX, type > QTransform::TxScale);
+    d->caps.updateState(STATE_XFORM_SCALE, type > QTransform::TxTranslate);
 
     d->hasXForm = type >= QTransform::TxTranslate;
 
@@ -531,7 +529,7 @@ void QBlitterPaintEngine::transformChanged()
 void QBlitterPaintEngine::drawRects(const QRect *rects, int rectCount)
 {
     Q_D(QBlitterPaintEngine);
-    if (d->capabillities->canBlitterDrawRectMask()) {
+    if (d->caps.canBlitterDrawRectMask()) {
         for (int i=0; i<rectCount; ++i)
             d->fillRect(rects[i], qbrush_color(state()->brush));
     } else {
@@ -543,7 +541,7 @@ void QBlitterPaintEngine::drawRects(const QRect *rects, int rectCount)
 void QBlitterPaintEngine::drawRects(const QRectF *rects, int rectCount)
 {
     Q_D(QBlitterPaintEngine);
-    if (d->capabillities->canBlitterDrawRectMask()) {
+    if (d->caps.canBlitterDrawRectMask()) {
         for (int i = 0; i < rectCount; ++i)
             d->fillRect(rects[i], qbrush_color(state()->brush));
     } else {
@@ -555,7 +553,7 @@ void QBlitterPaintEngine::drawRects(const QRectF *rects, int rectCount)
 void QBlitterPaintEngine::drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr)
 {
     Q_D(QBlitterPaintEngine);
-    if (d->capabillities->canBlitterDrawPixmap(r, pm, sr)) {
+    if (d->caps.canBlitterDrawPixmap(r, pm, sr)) {
 
         d->unlock();
         QRectF targetRect = r;