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Get rid of unused function in qpaintengine_raster.cpp.

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Change-Id: I43024c8a16c6ba9fd43df114df9e4d2d1abeea6d
Reviewed-on: http://codereview.qt.nokia.com/1734
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Jiang Jiang <jiang.jiang@nokia.com>
Reviewed-by: Jørgen Lind <jorgen.lind@nokia.com>
This commit is contained in:
Samuel Rødal 2011-07-12 10:43:17 +02:00 committed by Jørgen Lind
parent 310519d6d1
commit 070fc2f694
1 changed files with 0 additions and 71 deletions
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71
src/gui/painting/qpaintengine_raster.cpp
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@ -152,7 +152,6 @@ extern bool qt_applefontsmoothing_enabled;
static void qt_span_fill_clipRect(int count, const QSpan *spans, void *userData);
static void qt_span_fill_clipped(int count, const QSpan *spans, void *userData);
static void qt_span_clip(int count, const QSpan *spans, void *userData);
static void qt_merge_clip(const QClipData *c1, const QClipData *c2, QClipData *result);
struct ClipData
{
@ -3498,76 +3497,6 @@ QRect QRasterPaintEngine::clipBoundingRect() const
return QRect(clip->xmin, clip->ymin, clip->xmax - clip->xmin, clip->ymax - clip->ymin);
}
static void qt_merge_clip(const QClipData *c1, const QClipData *c2, QClipData *result)
{
Q_ASSERT(c1->clipSpanHeight == c2->clipSpanHeight && c1->clipSpanHeight == result->clipSpanHeight);
QVarLengthArray<short, 4096> buffer;
QClipData::ClipLine *c1ClipLines = const_cast<QClipData *>(c1)->clipLines();
QClipData::ClipLine *c2ClipLines = const_cast<QClipData *>(c2)->clipLines();
result->initialize();
for (int y = 0; y < c1->clipSpanHeight; ++y) {
const QSpan *c1_spans = c1ClipLines[y].spans;
int c1_count = c1ClipLines[y].count;
const QSpan *c2_spans = c2ClipLines[y].spans;
int c2_count = c2ClipLines[y].count;
if (c1_count == 0 && c2_count == 0)
continue;
if (c1_count == 0) {
result->appendSpans(c2_spans, c2_count);
continue;
} else if (c2_count == 0) {
result->appendSpans(c1_spans, c1_count);
continue;
}
// we need to merge the two
// 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);
buffer.resize(max);
memset(buffer.data(), 0, buffer.size() * sizeof(short));
// Fill with old spans.
for (int i = 0; i < c1_count; ++i) {
const QSpan *cs = c1_spans + i;
for (int j=cs->x; j<cs->x + cs->len; ++j)
buffer[j] = cs->coverage;
}
// Fill with new spans
for (int i = 0; i < c2_count; ++i) {
const QSpan *cs = c2_spans + i;
for (int j = cs->x; j < cs->x + cs->len; ++j) {
buffer[j] += cs->coverage;
if (buffer[j] > 255)
buffer[j] = 255;
}
}
int x = 0;
while (x<max) {
// Skip to next span
while (x < max && buffer[x] == 0) ++x;
if (x >= max) break;
int sx = x;
int coverage = buffer[x];
// Find length of span
while (x < max && buffer[x] == coverage)
++x;
result->appendSpan(sx, x - sx, y, coverage);
}
}
}
void QRasterPaintEnginePrivate::initializeRasterizer(QSpanData *data)
{
Q_Q(QRasterPaintEngine);