Merge branch '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-2 into 4.7-integration

* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-2: (47 commits)
  QScript: More missing APIShim
  QScriptEngine: Fix reentrency involving creation and desctructions of QScriptEngines
  Work-around Symbian 10.1's broken egl.h
  Add some #warnings to debug Symbian EGL build failure
  Don't detect EGLImage presence by testing function pointers
  Implement proper QStaticText support in QPaintBuffer
  Make QStaticText layout lazy
  Change QStaticText::setMaximumSize() to setTextWidth()
  Respect QPainter::pen() in QPainter::drawStaticText()
  QVarLenghtArray:  add some API to be consistant to QVector
  Don't try to resolve EGLImage function pointers if they are defined
  Change ORs to ANDs when checking EGLImage extension defines
  Protect EGLImage function definitions in #ifdef
  Fix a bug in greek shaping causing infinite loops
  Define QT_NO_EGL in configure.exe
  improve mingw 64 bit support
  Fix build on Windows
  Round instead of ceil font metrics when ForceIntegerMetrics is enabled
  cetest: remove source file duplicates from cetest.pro
  Remove EGLImage create/destroy resolving from VG pixmap data
  ...

1 files changed, 25 insertions, 421 deletions

diff --git a/src/gui/painting/qblendfunctions.cpp b/src/gui/painting/qblendfunctions.cpp
index dc33896..24908ce 100644
--- a/src/gui/painting/qblendfunctions.cpp
+++ b/src/gui/painting/qblendfunctions.cpp
@@ -40,7 +40,7 @@
 ****************************************************************************/
 
 #include <qmath.h>
-#include "qdrawhelper_p.h"
+#include "qblendfunctions_p.h"
 
 QT_BEGIN_NAMESPACE
 
@@ -88,6 +88,8 @@ static inline quint16 convert_argb32_to_rgb16(quint32 spix)
 
 struct Blend_RGB16_on_RGB16_NoAlpha {
     inline void write(quint16 *dst, quint16 src) { *dst = src; }
+
+    inline void flush(void *) {}
 };
 
 struct Blend_RGB16_on_RGB16_ConstAlpha {
@@ -100,6 +102,8 @@ struct Blend_RGB16_on_RGB16_ConstAlpha {
         *dst = BYTE_MUL_RGB16(src, m_alpha) + BYTE_MUL_RGB16(*dst, m_ialpha);
     }
 
+    inline void flush(void *) {}
+
     quint32 m_alpha;
     quint32 m_ialpha;
 };
@@ -114,6 +118,8 @@ struct Blend_ARGB24_on_RGB16_SourceAlpha {
             *dst = s;
         }
     }
+
+    inline void flush(void *) {}
 };
 
 struct Blend_ARGB24_on_RGB16_SourceAndConstAlpha {
@@ -132,6 +138,8 @@ struct Blend_ARGB24_on_RGB16_SourceAndConstAlpha {
         }
     }
 
+    inline void flush(void *) {}
+
     quint32 m_alpha;
 };
 
@@ -145,6 +153,8 @@ struct Blend_ARGB32_on_RGB16_SourceAlpha {
             *dst = s;
         }
     }
+
+    inline void flush(void *) {}
 };
 
 struct Blend_ARGB32_on_RGB16_SourceAndConstAlpha {
@@ -163,99 +173,11 @@ struct Blend_ARGB32_on_RGB16_SourceAndConstAlpha {
         }
     }
 
+    inline void flush(void *) {}
+
     quint32 m_alpha;
 };
 
-template <typename SRC, typename T>
-void qt_scale_image_16bit(uchar *destPixels, int dbpl,
-                          const uchar *srcPixels, int sbpl,
-                          const QRectF &targetRect,
-                          const QRectF &srcRect,
-                          const QRect &clip,
-                          T blender)
-{
-    qreal sx = targetRect.width() / (qreal) srcRect.width();
-    qreal sy = targetRect.height() / (qreal) srcRect.height();
-
-    int ix = 0x00010000 / sx;
-    int iy = 0x00010000 / sy;
-
-//     qDebug() << "scale:" << endl
-//              << " - target" << targetRect << endl
-//              << " - source" << srcRect << endl
-//              << " - clip" << clip << endl
-//              << " - sx=" << sx << " sy=" << sy << " ix=" << ix << " iy=" << iy;
-
-    int cx1 = clip.x();
-    int cx2 = clip.x() + clip.width();
-    int cy1 = clip.top();
-    int cy2 = clip.y() + clip.height();
-
-    int tx1 = qRound(targetRect.left());
-    int tx2 = qRound(targetRect.right());
-    int ty1 = qRound(targetRect.top());
-    int ty2 = qRound(targetRect.bottom());
-
-    if (tx2 < tx1)
-        qSwap(tx2, tx1);
-
-    if (ty2 < ty1)
-        qSwap(ty2, ty1);
-
-    if (tx1 < cx1)
-        tx1 = cx1;
-
-    if (tx2 >= cx2)
-        tx2 = cx2;
-
-    if (tx1 >= tx2)
-        return;
-
-    if (ty1 < cy1)
-        ty1 = cy1;
-
-    if (ty2 >= cy2)
-       ty2 = cy2;
-
-    if (ty1 >= ty2)
-        return;
-
-    int h = ty2 - ty1;
-    int w = tx2 - tx1;
-
-
-    quint32 basex;
-    quint32 srcy;
-
-    if (sx < 0) {
-        int dstx = qFloor((tx1 + qreal(0.5) - targetRect.right()) * ix) + 1;
-        basex = quint32(srcRect.right() * 65536) + dstx;
-    } else {
-        int dstx = qCeil((tx1 + qreal(0.5) - targetRect.left()) * ix) - 1;
-        basex = quint32(srcRect.left() * 65536) + dstx;
-    }
-    if (sy < 0) {
-        int dsty = qFloor((ty1 + qreal(0.5) - targetRect.bottom()) * iy) + 1;
-        srcy = quint32(srcRect.bottom() * 65536) + dsty;
-    } else {
-        int dsty = qCeil((ty1 + qreal(0.5) - targetRect.top()) * iy) - 1;
-        srcy = quint32(srcRect.top() * 65536) + dsty;
-    }
-
-    quint16 *dst = ((quint16 *) (destPixels + ty1 * dbpl)) + tx1;
-
-    while (h--) {
-        const SRC *src = (const SRC *) (srcPixels + (srcy >> 16) * sbpl);
-        int srcx = basex;
-        for (int x=0; x<w; ++x) {
-            blender.write(&dst[x], src[srcx >> 16]);
-            srcx += ix;
-        }
-        dst = (quint16 *)(((uchar *) dst) + dbpl);
-        srcy += iy;
-    }
-}
-
 void qt_scale_image_rgb16_on_rgb16(uchar *destPixels, int dbpl,
                                    const uchar *srcPixels, int sbpl,
                                    const QRectF &targetRect,
@@ -447,10 +369,10 @@ static void qt_blend_argb24_on_rgb16(uchar *destPixels, int dbpl,
 
 
 
-static void qt_blend_argb32_on_rgb16_const_alpha(uchar *destPixels, int dbpl,
-                                                 const uchar *srcPixels, int sbpl,
-                                                 int w, int h,
-                                                 int const_alpha)
+void qt_blend_argb32_on_rgb16_const_alpha(uchar *destPixels, int dbpl,
+                                          const uchar *srcPixels, int sbpl,
+                                          int w, int h,
+                                          int const_alpha)
 {
     quint16 *dst = (quint16 *) destPixels;
     const quint32 *src = (const quint32 *) srcPixels;
@@ -643,6 +565,8 @@ void qt_blend_rgb32_on_rgb32(uchar *destPixels, int dbpl,
 
 struct Blend_RGB32_on_RGB32_NoAlpha {
     inline void write(quint32 *dst, quint32 src) { *dst = src; }
+
+    inline void flush(void *) {}
 };
 
 struct Blend_RGB32_on_RGB32_ConstAlpha {
@@ -655,6 +579,8 @@ struct Blend_RGB32_on_RGB32_ConstAlpha {
         *dst = BYTE_MUL(src, m_alpha) + BYTE_MUL(*dst, m_ialpha);
     }
 
+    inline void flush(void *) {}
+
     quint32 m_alpha;
     quint32 m_ialpha;
 };
@@ -663,6 +589,8 @@ struct Blend_ARGB32_on_ARGB32_SourceAlpha {
     inline void write(quint32 *dst, quint32 src) {
         *dst = src + BYTE_MUL(*dst, qAlpha(~src));
     }
+
+    inline void flush(void *) {}
 };
 
 struct Blend_ARGB32_on_ARGB32_SourceAndConstAlpha {
@@ -676,98 +604,12 @@ struct Blend_ARGB32_on_ARGB32_SourceAndConstAlpha {
         *dst = src + BYTE_MUL(*dst, qAlpha(~src));
     }
 
+    inline void flush(void *) {}
+
     quint32 m_alpha;
     quint32 m_ialpha;
 };
 
-template <typename T> void qt_scale_image_32bit(uchar *destPixels, int dbpl,
-                                                const uchar *srcPixels, int sbpl,
-                                                const QRectF &targetRect,
-                                                const QRectF &srcRect,
-                                                const QRect &clip,
-                                                T blender)
-{
-    qreal sx = targetRect.width() / (qreal) srcRect.width();
-    qreal sy = targetRect.height() / (qreal) srcRect.height();
-
-    int ix = 0x00010000 / sx;
-    int iy = 0x00010000 / sy;
-
-//     qDebug() << "scale:" << endl
-//              << " - target" << targetRect << endl
-//              << " - source" << srcRect << endl
-//              << " - clip" << clip << endl
-//              << " - sx=" << sx << " sy=" << sy << " ix=" << ix << " iy=" << iy;
-
-    int cx1 = clip.x();
-    int cx2 = clip.x() + clip.width();
-    int cy1 = clip.top();
-    int cy2 = clip.y() + clip.height();
-
-    int tx1 = qRound(targetRect.left());
-    int tx2 = qRound(targetRect.right());
-    int ty1 = qRound(targetRect.top());
-    int ty2 = qRound(targetRect.bottom());
-
-    if (tx2 < tx1)
-        qSwap(tx2, tx1);
-
-    if (ty2 < ty1)
-        qSwap(ty2, ty1);
-
-    if (tx1 < cx1)
-        tx1 = cx1;
-
-    if (tx2 >= cx2)
-        tx2 = cx2;
-
-    if (tx1 >= tx2)
-        return;
-
-    if (ty1 < cy1)
-        ty1 = cy1;
-
-    if (ty2 >= cy2)
-       ty2 = cy2;
-
-    if (ty1 >= ty2)
-        return;
-
-    int h = ty2 - ty1;
-    int w = tx2 - tx1;
-
-    quint32 basex;
-    quint32 srcy;
-
-    if (sx < 0) {
-        int dstx = qFloor((tx1 + qreal(0.5) - targetRect.right()) * ix) + 1;
-        basex = quint32(srcRect.right() * 65536) + dstx;
-    } else {
-        int dstx = qCeil((tx1 + qreal(0.5) - targetRect.left()) * ix) - 1;
-        basex = quint32(srcRect.left() * 65536) + dstx;
-    }
-    if (sy < 0) {
-        int dsty = qFloor((ty1 + qreal(0.5) - targetRect.bottom()) * iy) + 1;
-        srcy = quint32(srcRect.bottom() * 65536) + dsty;
-    } else {
-        int dsty = qCeil((ty1 + qreal(0.5) - targetRect.top()) * iy) - 1;
-        srcy = quint32(srcRect.top() * 65536) + dsty;
-    }
-
-    quint32 *dst = ((quint32 *) (destPixels + ty1 * dbpl)) + tx1;
-
-    while (h--) {
-        const uint *src = (const quint32 *) (srcPixels + (srcy >> 16) * sbpl);
-        int srcx = basex;
-        for (int x=0; x<w; ++x) {
-            blender.write(&dst[x], src[srcx >> 16]);
-            srcx += ix;
-        }
-        dst = (quint32 *)(((uchar *) dst) + dbpl);
-        srcy += iy;
-    }
-}
-
 void qt_scale_image_rgb32_on_rgb32(uchar *destPixels, int dbpl,
                                    const uchar *srcPixels, int sbpl,
                                    const QRectF &targetRect,
@@ -818,244 +660,6 @@ void qt_scale_image_argb32_on_argb32(uchar *destPixels, int dbpl,
     }
 }
 
-struct QTransformImageVertex
-{
-    qreal x, y, u, v; // destination coordinates (x, y) and source coordinates (u, v)
-};
-
-template <class SrcT, class DestT, class Blender>
-void qt_transform_image_rasterize(DestT *destPixels, int dbpl,
-                                  const SrcT *srcPixels, int sbpl,
-                                  const QTransformImageVertex &topLeft, const QTransformImageVertex &bottomLeft,
-                                  const QTransformImageVertex &topRight, const QTransformImageVertex &bottomRight,
-                                  const QRect &sourceRect,
-                                  const QRect &clip,
-                                  qreal topY, qreal bottomY,
-                                  int dudx, int dvdx, int dudy, int dvdy, int u0, int v0,
-                                  Blender blender)
-{
-    int fromY = qMax(qRound(topY), clip.top());
-    int toY = qMin(qRound(bottomY), clip.top() + clip.height());
-    if (fromY >= toY)
-        return;
-
-    qreal leftSlope = (bottomLeft.x - topLeft.x) / (bottomLeft.y - topLeft.y);
-    qreal rightSlope = (bottomRight.x - topRight.x) / (bottomRight.y - topRight.y);
-    int dx_l = int(leftSlope * 0x10000);
-    int dx_r = int(rightSlope * 0x10000);
-    int x_l = int((topLeft.x + (0.5 + fromY - topLeft.y) * leftSlope + 0.5) * 0x10000);
-    int x_r = int((topRight.x + (0.5 + fromY - topRight.y) * rightSlope + 0.5) * 0x10000);
-
-    int fromX, toX, x1, x2, u, v, i, ii;
-    DestT *line;
-    for (int y = fromY; y < toY; ++y) {
-        line = reinterpret_cast<DestT *>(reinterpret_cast<uchar *>(destPixels) + y * dbpl);
-
-        fromX = qMax(x_l >> 16, clip.left());
-        toX = qMin(x_r >> 16, clip.left() + clip.width());
-        if (fromX < toX) {
-            // Because of rounding, we can get source coordinates outside the source image.
-            // Clamp these coordinates to the source rect to avoid segmentation fault and
-            // garbage on the screen.
-
-            // Find the first pixel on the current scan line where the source coordinates are within the source rect.
-            x1 = fromX;
-            u = x1 * dudx + y * dudy + u0;
-            v = x1 * dvdx + y * dvdy + v0;
-            for (; x1 < toX; ++x1) {
-                int uu = u >> 16;
-                int vv = v >> 16;
-                if (uu >= sourceRect.left() && uu < sourceRect.left() + sourceRect.width()
-                    && vv >= sourceRect.top() && vv < sourceRect.top() + sourceRect.height()) {
-                    break;
-                }
-                u += dudx;
-                v += dvdx;
-            }
-
-            // Find the last pixel on the current scan line where the source coordinates are within the source rect.
-            x2 = toX;
-            u = (x2 - 1) * dudx + y * dudy + u0;
-            v = (x2 - 1) * dvdx + y * dvdy + v0;
-            for (; x2 > x1; --x2) {
-                int uu = u >> 16;
-                int vv = v >> 16;
-                if (uu >= sourceRect.left() && uu < sourceRect.left() + sourceRect.width()
-                    && vv >= sourceRect.top() && vv < sourceRect.top() + sourceRect.height()) {
-                    break;
-                }
-                u -= dudx;
-                v -= dvdx;
-            }
-
-            // Set up values at the beginning of the scan line.
-            u = fromX * dudx + y * dudy + u0;
-            v = fromX * dvdx + y * dvdy + v0;
-            line += fromX;
-
-            // Beginning of the scan line, with per-pixel checks.
-            i = x1 - fromX;
-            while (i) {
-                int uu = qBound(sourceRect.left(), u >> 16, sourceRect.left() + sourceRect.width() - 1);
-                int vv = qBound(sourceRect.top(), v >> 16, sourceRect.top() + sourceRect.height() - 1);
-                blender.write(line, reinterpret_cast<const SrcT *>(reinterpret_cast<const uchar *>(srcPixels) + vv * sbpl)[uu]);
-                u += dudx;
-                v += dvdx;
-                ++line;
-                --i;
-            }
-
-            // Middle of the scan line, without checks.
-            // Manual loop unrolling.
-            i = x2 - x1;
-            ii = i >> 3;
-            while (ii) {
-                blender.write(&line[0], reinterpret_cast<const SrcT *>(reinterpret_cast<const uchar *>(srcPixels) + (v >> 16) * sbpl)[u >> 16]); u += dudx; v += dvdx;
-                blender.write(&line[1], reinterpret_cast<const SrcT *>(reinterpret_cast<const uchar *>(srcPixels) + (v >> 16) * sbpl)[u >> 16]); u += dudx; v += dvdx;
-                blender.write(&line[2], reinterpret_cast<const SrcT *>(reinterpret_cast<const uchar *>(srcPixels) + (v >> 16) * sbpl)[u >> 16]); u += dudx; v += dvdx;
-                blender.write(&line[3], reinterpret_cast<const SrcT *>(reinterpret_cast<const uchar *>(srcPixels) + (v >> 16) * sbpl)[u >> 16]); u += dudx; v += dvdx;
-                blender.write(&line[4], reinterpret_cast<const SrcT *>(reinterpret_cast<const uchar *>(srcPixels) + (v >> 16) * sbpl)[u >> 16]); u += dudx; v += dvdx;
-                blender.write(&line[5], reinterpret_cast<const SrcT *>(reinterpret_cast<const uchar *>(srcPixels) + (v >> 16) * sbpl)[u >> 16]); u += dudx; v += dvdx;
-                blender.write(&line[6], reinterpret_cast<const SrcT *>(reinterpret_cast<const uchar *>(srcPixels) + (v >> 16) * sbpl)[u >> 16]); u += dudx; v += dvdx;
-                blender.write(&line[7], reinterpret_cast<const SrcT *>(reinterpret_cast<const uchar *>(srcPixels) + (v >> 16) * sbpl)[u >> 16]); u += dudx; v += dvdx;
-                line += 8;
-                --ii;
-            }
-            switch (i & 7) {
-                case 7: blender.write(line, reinterpret_cast<const SrcT *>(reinterpret_cast<const uchar *>(srcPixels) + (v >> 16) * sbpl)[u >> 16]); u += dudx; v += dvdx; ++line;
-                case 6: blender.write(line, reinterpret_cast<const SrcT *>(reinterpret_cast<const uchar *>(srcPixels) + (v >> 16) * sbpl)[u >> 16]); u += dudx; v += dvdx; ++line;
-                case 5: blender.write(line, reinterpret_cast<const SrcT *>(reinterpret_cast<const uchar *>(srcPixels) + (v >> 16) * sbpl)[u >> 16]); u += dudx; v += dvdx; ++line;
-                case 4: blender.write(line, reinterpret_cast<const SrcT *>(reinterpret_cast<const uchar *>(srcPixels) + (v >> 16) * sbpl)[u >> 16]); u += dudx; v += dvdx; ++line;
-                case 3: blender.write(line, reinterpret_cast<const SrcT *>(reinterpret_cast<const uchar *>(srcPixels) + (v >> 16) * sbpl)[u >> 16]); u += dudx; v += dvdx; ++line;
-                case 2: blender.write(line, reinterpret_cast<const SrcT *>(reinterpret_cast<const uchar *>(srcPixels) + (v >> 16) * sbpl)[u >> 16]); u += dudx; v += dvdx; ++line;
-                case 1: blender.write(line, reinterpret_cast<const SrcT *>(reinterpret_cast<const uchar *>(srcPixels) + (v >> 16) * sbpl)[u >> 16]); u += dudx; v += dvdx; ++line;
-            }
-
-            // End of the scan line, with per-pixel checks.
-            i = toX - x2;
-            while (i) {
-                int uu = qBound(sourceRect.left(), u >> 16, sourceRect.left() + sourceRect.width() - 1);
-                int vv = qBound(sourceRect.top(), v >> 16, sourceRect.top() + sourceRect.height() - 1);
-                blender.write(line, reinterpret_cast<const SrcT *>(reinterpret_cast<const uchar *>(srcPixels) + vv * sbpl)[uu]);
-                u += dudx;
-                v += dvdx;
-                ++line;
-                --i;
-            }
-        }
-        x_l += dx_l;
-        x_r += dx_r;
-    }
-}
-
-template <class SrcT, class DestT, class Blender>
-void qt_transform_image(DestT *destPixels, int dbpl,
-                        const SrcT *srcPixels, int sbpl,
-                        const QRectF &targetRect,
-                        const QRectF &sourceRect,
-                        const QRect &clip,
-                        const QTransform &targetRectTransform,
-                        Blender blender)
-{
-    enum Corner
-    {
-        TopLeft,
-        TopRight,
-        BottomRight,
-        BottomLeft
-    };
-
-    // map source rectangle to destination.
-    QTransformImageVertex v[4];
-    v[TopLeft].u = v[BottomLeft].u = sourceRect.left();
-    v[TopLeft].v = v[TopRight].v = sourceRect.top();
-    v[TopRight].u = v[BottomRight].u = sourceRect.right();
-    v[BottomLeft].v = v[BottomRight].v = sourceRect.bottom();
-    targetRectTransform.map(targetRect.left(), targetRect.top(), &v[TopLeft].x, &v[TopLeft].y);
-    targetRectTransform.map(targetRect.right(), targetRect.top(), &v[TopRight].x, &v[TopRight].y);
-    targetRectTransform.map(targetRect.left(), targetRect.bottom(), &v[BottomLeft].x, &v[BottomLeft].y);
-    targetRectTransform.map(targetRect.right(), targetRect.bottom(), &v[BottomRight].x, &v[BottomRight].y);
-
-    // find topmost vertex.
-    int topmost = 0;
-    for (int i = 1; i < 4; ++i) {
-        if (v[i].y < v[topmost].y)
-            topmost = i;
-    }
-    // rearrange array such that topmost vertex is at index 0.
-    switch (topmost) {
-    case 1:
-        {
-            QTransformImageVertex t = v[0];
-            for (int i = 0; i < 3; ++i)
-                v[i] = v[i+1];
-            v[3] = t;
-        }
-        break;
-    case 2:
-        qSwap(v[0], v[2]);
-        qSwap(v[1], v[3]);
-        break;
-    case 3:
-        {
-            QTransformImageVertex t = v[3];
-            for (int i = 3; i > 0; --i)
-                v[i] = v[i-1];
-            v[0] = t;
-        }
-        break;
-    }
-
-    // if necessary, swap vertex 1 and 3 such that 1 is to the left of 3.
-    qreal dx1 = v[1].x - v[0].x;
-    qreal dy1 = v[1].y - v[0].y;
-    qreal dx2 = v[3].x - v[0].x;
-    qreal dy2 = v[3].y - v[0].y;
-    if (dx1 * dy2 - dx2 * dy1 > 0)
-        qSwap(v[1], v[3]);
-
-    QTransformImageVertex u = {v[1].x - v[0].x, v[1].y - v[0].y, v[1].u - v[0].u, v[1].v - v[0].v};
-    QTransformImageVertex w = {v[2].x - v[0].x, v[2].y - v[0].y, v[2].u - v[0].u, v[2].v - v[0].v};
-
-    qreal det = u.x * w.y - u.y * w.x;
-    if (det == 0)
-        return;
-
-    qreal invDet = 1.0 / det;
-    qreal m11, m12, m21, m22, mdx, mdy;
-
-    m11 = (u.u * w.y - u.y * w.u) * invDet;
-    m12 = (u.x * w.u - u.u * w.x) * invDet;
-    m21 = (u.v * w.y - u.y * w.v) * invDet;
-    m22 = (u.x * w.v - u.v * w.x) * invDet;
-    mdx = v[0].u - m11 * v[0].x - m12 * v[0].y;
-    mdy = v[0].v - m21 * v[0].x - m22 * v[0].y;
-
-    int dudx = int(m11 * 0x10000);
-    int dvdx = int(m21 * 0x10000);
-    int dudy = int(m12 * 0x10000);
-    int dvdy = int(m22 * 0x10000);
-    int u0 = qCeil((0.5 * m11 + 0.5 * m12 + mdx) * 0x10000) - 1;
-    int v0 = qCeil((0.5 * m21 + 0.5 * m22 + mdy) * 0x10000) - 1;
-
-    int x1 = qFloor(sourceRect.left());
-    int y1 = qFloor(sourceRect.top());
-    int x2 = qCeil(sourceRect.right());
-    int y2 = qCeil(sourceRect.bottom());
-    QRect sourceRectI(x1, y1, x2 - x1, y2 - y1);
-
-    // rasterize trapezoids.
-    if (v[1].y < v[3].y) {
-        qt_transform_image_rasterize(destPixels, dbpl, srcPixels, sbpl, v[0], v[1], v[0], v[3], sourceRectI, clip, v[0].y, v[1].y, dudx, dvdx, dudy, dvdy, u0, v0, blender);
-        qt_transform_image_rasterize(destPixels, dbpl, srcPixels, sbpl, v[1], v[2], v[0], v[3], sourceRectI, clip, v[1].y, v[3].y, dudx, dvdx, dudy, dvdy, u0, v0, blender);
-        qt_transform_image_rasterize(destPixels, dbpl, srcPixels, sbpl, v[1], v[2], v[3], v[2], sourceRectI, clip, v[3].y, v[2].y, dudx, dvdx, dudy, dvdy, u0, v0, blender);
-    } else {
-        qt_transform_image_rasterize(destPixels, dbpl, srcPixels, sbpl, v[0], v[1], v[0], v[3], sourceRectI, clip, v[0].y, v[3].y, dudx, dvdx, dudy, dvdy, u0, v0, blender);
-        qt_transform_image_rasterize(destPixels, dbpl, srcPixels, sbpl, v[0], v[1], v[3], v[2], sourceRectI, clip, v[3].y, v[1].y, dudx, dvdx, dudy, dvdy, u0, v0, blender);
-        qt_transform_image_rasterize(destPixels, dbpl, srcPixels, sbpl, v[1], v[2], v[3], v[2], sourceRectI, clip, v[1].y, v[2].y, dudx, dvdx, dudy, dvdy, u0, v0, blender);
-    }
-}
-
 void qt_transform_image_rgb16_on_rgb16(uchar *destPixels, int dbpl,
                                        const uchar *srcPixels, int sbpl,
                                        const QRectF &targetRect,