Fixes warnings about unused variables

Reviewed-by: Samuel
(cherry picked from commit ddd253e14318af45e5c56df736028b88257068c4)

5 files changed, 2 insertions, 17 deletions

diff --git a/src/gui/painting/qdrawhelper_sse2.cpp b/src/gui/painting/qdrawhelper_sse2.cpp
index be6dc91922..75bb619d09 100644
--- a/src/gui/painting/qdrawhelper_sse2.cpp
+++ b/src/gui/painting/qdrawhelper_sse2.cpp
@@ -112,8 +112,6 @@ void qt_blend_rgb32_on_rgb32_sse2(uchar *destPixels, int dbpl,
 
                 // First, align dest to 16 bytes:
                 ALIGNMENT_PROLOGUE_16BYTES(dst, x, w) {
-                    quint32 s = src[x];
-                    s = BYTE_MUL(s, const_alpha);
                     dst[x] = INTERPOLATE_PIXEL_255(src[x], const_alpha, dst[x], one_minus_const_alpha);
                 }
 
@@ -127,8 +125,6 @@ void qt_blend_rgb32_on_rgb32_sse2(uchar *destPixels, int dbpl,
                     }
                 }
                 for (; x<w; ++x) {
-                    quint32 s = src[x];
-                    s = BYTE_MUL(s, const_alpha);
                     dst[x] = INTERPOLATE_PIXEL_255(src[x], const_alpha, dst[x], one_minus_const_alpha);
                 }
                 dst = (quint32 *)(((uchar *) dst) + dbpl);
diff --git a/src/gui/painting/qpaintbuffer.cpp b/src/gui/painting/qpaintbuffer.cpp
index 4e639380ba..6f6cd6f66b 100644
--- a/src/gui/painting/qpaintbuffer.cpp
+++ b/src/gui/painting/qpaintbuffer.cpp
@@ -535,16 +535,6 @@ QString QPaintBuffer::commandDescription(int command) const
         QTextItemInt &ti = (*tiCopy)();
         QString text(ti.text());
 
-        QFont font(ti.font());
-        font.setUnderline(false);
-        font.setStrikeOut(false);
-        font.setOverline(false);
-
-        const QTextItemInt &si = static_cast<const QTextItemInt &>(ti);
-        qreal justificationWidth = 0;
-        if (si.justified)
-            justificationWidth = si.width.toReal();
-
         debug << "Cmd_DrawTextItem:" << pos << " " << text;
         break; }
     case QPaintBufferPrivate::Cmd_SystemStateChanged: {
diff --git a/src/gui/painting/qpaintengine_x11.cpp b/src/gui/painting/qpaintengine_x11.cpp
index 94828fba53..6ba9a99f09 100644
--- a/src/gui/painting/qpaintengine_x11.cpp
+++ b/src/gui/painting/qpaintengine_x11.cpp
@@ -1611,8 +1611,6 @@ void QX11PaintEnginePrivate::fillPolygon_dev(const QPointF *polygonPoints, int p
         && (fill.style() != Qt::NoBrush)
         && ((has_fill_texture && fill.texture().hasAlpha()) || antialias || !solid_fill || has_alpha_pen != has_alpha_brush))
     {
-        QRect br = tessellator->tessellate((QPointF *)clippedPoints, clippedCount,
-                                              mode == QPaintEngine::WindingMode);
         if (tessellator->size > 0) {
             XRenderPictureAttributes attrs;
             attrs.poly_edge = antialias ? PolyEdgeSmooth : PolyEdgeSharp;
@@ -1771,7 +1769,6 @@ void QX11PaintEngine::drawPath(const QPainterPath &path)
     Q_D(QX11PaintEngine);
     if (path.isEmpty())
         return;
-    QTransform old_matrix = d->matrix;
 
     if (d->has_brush)
         d->fillPath(path, QX11PaintEnginePrivate::BrushGC, true);
diff --git a/src/gui/painting/qpainterpath.cpp b/src/gui/painting/qpainterpath.cpp
index 27aed3226f..9fbac13f47 100644
--- a/src/gui/painting/qpainterpath.cpp
+++ b/src/gui/painting/qpainterpath.cpp
@@ -1126,6 +1126,7 @@ void QPainterPath::addText(const QPointF &point, const QFont &f, const QString &
     QTextEngine *eng = layout.engine();
     layout.beginLayout();
     QTextLine line = layout.createLine();
+    Q_UNUSED(line);
     layout.endLayout();
     const QScriptLine &sl = eng->lines[0];
     if (!sl.length || !eng->layoutData)
diff --git a/src/gui/painting/qstroker.cpp b/src/gui/painting/qstroker.cpp
index fca46b45f7..dd723edc45 100644
--- a/src/gui/painting/qstroker.cpp
+++ b/src/gui/painting/qstroker.cpp
@@ -552,6 +552,7 @@ void QStroker::joinPoints(qfixed focal_x, qfixed focal_y, const QLineF &nextLine
 
 //             // line to the beginning of the arc segment, (should not be needed).
 //             emitLineTo(qt_real_to_fixed(curve_start.x()), qt_real_to_fixed(curve_start.y()));
+            Q_UNUSED(curve_start);
 
             for (int i=0; i<point_count; i+=3) {
                 emitCubicTo(qt_real_to_fixed(curves[i].x()),