1 files changed, 107 insertions, 81 deletions

diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp
index 74456dd..d9af3f6 100644
--- a/src/gui/painting/qpaintengine_raster.cpp
+++ b/src/gui/painting/qpaintengine_raster.cpp
@@ -91,6 +91,8 @@
 #    include <private/qfontengine_qpf_p.h>
 #  endif
 #  include <private/qabstractfontengine_p.h>
+#elif defined(Q_OS_SYMBIAN) && defined(QT_NO_FREETYPE)
+#  include <private/qfontengine_s60_p.h>
 #endif
 
 #if defined(Q_WS_WIN64)
@@ -342,6 +344,7 @@ void QRasterPaintEngine::init()
 #else
         (unsigned char *) malloc(d->rasterPoolSize);
 #endif
+    Q_CHECK_PTR(d->rasterPoolBase);
 
     // The antialiasing raster.
     d->grayRaster = new QT_FT_Raster;
@@ -3159,7 +3162,7 @@ void QRasterPaintEngine::drawTextItem(const QPointF &p, const QTextItem &textIte
     ensurePen();
     ensureState();
 
-#if defined (Q_WS_WIN) || defined(Q_WS_MAC)
+#if defined (Q_WS_WIN) || defined(Q_WS_MAC) || (defined(Q_OS_SYMBIAN) && defined(QT_NO_FREETYPE))
 
     bool drawCached = true;
 
@@ -3192,7 +3195,7 @@ void QRasterPaintEngine::drawTextItem(const QPointF &p, const QTextItem &textIte
         return;
     }
 
-#else // Q_WS_WIN || Q_WS_MAC
+#else // Q_WS_WIN || Q_WS_MAC || Q_OS_SYMBIAN && QT_NO_FREETYPE
 
     QFontEngine *fontEngine = ti.fontEngine;
 
@@ -3212,7 +3215,7 @@ void QRasterPaintEngine::drawTextItem(const QPointF &p, const QTextItem &textIte
     }
 #endif // Q_WS_QWS
 
-#if (defined(Q_WS_X11) || defined(Q_WS_QWS)) && !defined(QT_NO_FREETYPE)
+#if (defined(Q_WS_X11) || defined(Q_WS_QWS) || defined(Q_OS_SYMBIAN)) && !defined(QT_NO_FREETYPE)
 
 #if defined(Q_WS_QWS) && !defined(QT_NO_QWS_QPF2)
     if (fontEngine->type() == QFontEngine::QPF2) {
@@ -3877,7 +3880,7 @@ static void qt_merge_clip(const QClipData *c1, const QClipData *c2, QClipData *r
 
         // find required length
         int max = qMax(c1_spans[c1_count - 1].x + c1_spans[c1_count - 1].len,
-                       c2_spans[c2_count - 1].x + c2_spans[c2_count - 1].len);
+                c2_spans[c2_count - 1].x + c2_spans[c2_count - 1].len);
         buffer.resize(max);
         memset(buffer.data(), 0, buffer.size() * sizeof(short));
 
@@ -4039,6 +4042,7 @@ void QRasterPaintEnginePrivate::rasterize(QT_FT_Outline *outline,
 #else
                 (unsigned char *) malloc(rasterPoolSize);
 #endif
+            Q_CHECK_PTR(rasterPoolBase); // note: we just freed the old rasterPoolBase. I hope it's not fatal.
 
             qt_ft_grays_raster.raster_done(*grayRaster);
             qt_ft_grays_raster.raster_new(0, grayRaster);
@@ -4161,8 +4165,14 @@ int QCustomRasterPaintDevice::bytesPerLine() const
 {
     return (width() * depth() + 7) / 8;
 }
-#endif // Q_WS_QWS
 
+#elif defined(Q_OS_SYMBIAN)
+
+void QRasterBuffer::prepareBuffer(int /* width */, int /* height */)
+{
+}
+
+#endif // Q_OS_SYMBIAN
 
 /*!
     \class QCustomRasterPaintDevice
@@ -4270,95 +4280,109 @@ void QClipData::initialize()
     if (!m_clipLines)
         m_clipLines = (ClipLine *)calloc(sizeof(ClipLine), clipSpanHeight);
 
-    m_spans = (QSpan *)malloc(clipSpanHeight*sizeof(QSpan));
-    allocated = clipSpanHeight;
-
-    if (hasRectClip) {
-        int y = 0;
-        while (y < ymin) {
-            m_clipLines[y].spans = 0;
-            m_clipLines[y].count = 0;
-            ++y;
-        }
-
-        const int len = clipRect.width();
-        count = 0;
-        while (y < ymax) {
-            QSpan *span = m_spans + count;
-            span->x = xmin;
-            span->len = len;
-            span->y = y;
-            span->coverage = 255;
-            ++count;
-
-            m_clipLines[y].spans = span;
-            m_clipLines[y].count = 1;
-            ++y;
-        }
+    Q_CHECK_PTR(m_clipLines);
+    QT_TRY {
+        m_spans = (QSpan *)malloc(clipSpanHeight*sizeof(QSpan));
+		  allocated = clipSpanHeight;
+        Q_CHECK_PTR(m_spans);
+
+        QT_TRY {
+            if (hasRectClip) {
+                int y = 0;
+                while (y < ymin) {
+                    m_clipLines[y].spans = 0;
+                    m_clipLines[y].count = 0;
+                    ++y;
+                }
 
-        while (y < clipSpanHeight) {
-            m_clipLines[y].spans = 0;
-            m_clipLines[y].count = 0;
-            ++y;
-        }
-    } else if (hasRegionClip) {
+                const int len = clipRect.width();
+                count = 0;
+                while (y < ymax) {
+                    QSpan *span = m_spans + count;
+                    span->x = xmin;
+                    span->len = len;
+                    span->y = y;
+                    span->coverage = 255;
+                    ++count;
 
-        const QVector<QRect> rects = clipRegion.rects();
-        const int numRects = rects.size();
+                    m_clipLines[y].spans = span;
+                    m_clipLines[y].count = 1;
+                    ++y;
+                }
 
-        { // resize
-            const int maxSpans = (ymax - ymin) * numRects;
-            if (maxSpans > allocated) {
-                m_spans = (QSpan *)realloc(m_spans, maxSpans * sizeof(QSpan));
-                allocated = maxSpans;
-            }
-        }
+                while (y < clipSpanHeight) {
+                    m_clipLines[y].spans = 0;
+                    m_clipLines[y].count = 0;
+                    ++y;
+                }
+            } else if (hasRegionClip) {
+
+                const QVector<QRect> rects = clipRegion.rects();
+                const int numRects = rects.size();
+
+                { // resize
+                    const int maxSpans = (ymax - ymin) * numRects;
+                    if (maxSpans > allocated) {
+                        QSpan *newSpans = (QSpan *)realloc(m_spans, maxSpans * sizeof(QSpan));
+                        Q_CHECK_PTR(newSpans);
+                        m_spans = newSpans;
+                        allocated = maxSpans;
+                    }
+                }
 
-        int y = 0;
-        int firstInBand = 0;
-        count = 0;
-        while (firstInBand < numRects) {
-            const int currMinY = rects.at(firstInBand).y();
-            const int currMaxY = currMinY + rects.at(firstInBand).height();
+                int y = 0;
+                int firstInBand = 0;
+                count = 0;
+                while (firstInBand < numRects) {
+                    const int currMinY = rects.at(firstInBand).y();
+                    const int currMaxY = currMinY + rects.at(firstInBand).height();
+
+                    while (y < currMinY) {
+                        m_clipLines[y].spans = 0;
+                        m_clipLines[y].count = 0;
+                        ++y;
+                    }
 
-            while (y < currMinY) {
-                m_clipLines[y].spans = 0;
-                m_clipLines[y].count = 0;
-                ++y;
-            }
+                    int lastInBand = firstInBand;
+                    while (lastInBand + 1 < numRects && rects.at(lastInBand+1).top() == y)
+                        ++lastInBand;
 
-            int lastInBand = firstInBand;
-            while (lastInBand + 1 < numRects && rects.at(lastInBand+1).top() == y)
-                ++lastInBand;
+                    while (y < currMaxY) {
 
-            while (y < currMaxY) {
+                        m_clipLines[y].spans = m_spans + count;
+                        m_clipLines[y].count = lastInBand - firstInBand + 1;
 
-                m_clipLines[y].spans = m_spans + count;
-                m_clipLines[y].count = lastInBand - firstInBand + 1;
+                        for (int r = firstInBand; r <= lastInBand; ++r) {
+                            const QRect &currRect = rects.at(r);
+                            QSpan *span = m_spans + count;
+                            span->x = currRect.x();
+                            span->len = currRect.width();
+                            span->y = y;
+                            span->coverage = 255;
+                            ++count;
+                        }
+                        ++y;
+                    }
 
-                for (int r = firstInBand; r <= lastInBand; ++r) {
-                    const QRect &currRect = rects.at(r);
-                    QSpan *span = m_spans + count;
-                    span->x = currRect.x();
-                    span->len = currRect.width();
-                    span->y = y;
-                    span->coverage = 255;
-                    ++count;
+                    firstInBand = lastInBand + 1;
                 }
-                ++y;
-            }
 
-            firstInBand = lastInBand + 1;
-        }
+                Q_ASSERT(count <= allocated);
 
-        Q_ASSERT(count <= allocated);
+                while (y < clipSpanHeight) {
+                    m_clipLines[y].spans = 0;
+                    m_clipLines[y].count = 0;
+                    ++y;
+                }
 
-        while (y < clipSpanHeight) {
-            m_clipLines[y].spans = 0;
-            m_clipLines[y].count = 0;
-            ++y;
+            }
+        } QT_CATCH(...) {
+            free(m_spans);
+            QT_RETHROW;
         }
-
+    } QT_CATCH(...) {
+        free(m_clipLines);
+        QT_RETHROW;
     }
 }
 
@@ -4633,8 +4657,10 @@ static void qt_span_clip(int count, const QSpan *spans, void *userData)
                                            &newspans, newClip->allocated - newClip->count);
                 newClip->count = newspans - newClip->m_spans;
                 if (spans < end) {
+                    QSpan *newSpan = (QSpan *)realloc(newClip->m_spans, newClip->allocated*2*sizeof(QSpan));
+                    Q_CHECK_PTR(newSpan);
+                    newClip->m_spans = newSpan;
                     newClip->allocated *= 2;
-                    newClip->m_spans = (QSpan *)realloc(newClip->m_spans, newClip->allocated*sizeof(QSpan));
                 }
             }
         }