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-rw-r--r--src/plugins/imageformats/jpeg/qjpeghandler.cpp407
1 files changed, 191 insertions, 216 deletions
diff --git a/src/plugins/imageformats/jpeg/qjpeghandler.cpp b/src/plugins/imageformats/jpeg/qjpeghandler.cpp
index 54bbcda..11608ef 100644
--- a/src/plugins/imageformats/jpeg/qjpeghandler.cpp
+++ b/src/plugins/imageformats/jpeg/qjpeghandler.cpp
@@ -84,15 +84,12 @@ class QImageSmoothScaler
public:
QImageSmoothScaler(const int w, const int h, const QImage &src);
QImageSmoothScaler(const int srcWidth, const int srcHeight,
- const char *parameters);
+ const int dstWidth, const int dstHeight);
virtual ~QImageSmoothScaler(void);
QImage scale();
-protected:
- int scaledWidth(void) const;
-
private:
QImageSmoothScalerPrivate *d;
virtual QRgb *scanLine(const int line = 0, const QImage *src = 0);
@@ -123,33 +120,9 @@ QImageSmoothScaler::QImageSmoothScaler(const int w, const int h,
}
QImageSmoothScaler::QImageSmoothScaler(const int srcWidth, const int srcHeight,
- const char *parameters)
+ const int dstWidth, const int dstHeight)
{
- char sModeStr[1024];
- int t1;
- int t2;
- int dstWidth;
- int dstHeight;
-
- sModeStr[0] = '\0';
-
d = new QImageSmoothScalerPrivate;
-#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE) && defined(_MSC_VER) && _MSC_VER >= 1400
- sscanf_s(parameters, "Scale( %i, %i, %1023s )", &dstWidth, &dstHeight, sModeStr, sizeof(sModeStr));
-#else
- sscanf(parameters, "Scale( %i, %i, %s )", &dstWidth, &dstHeight, sModeStr);
-#endif
- QString sModeQStr = QString::fromLatin1(sModeStr);
-
- t1 = srcWidth * dstHeight;
- t2 = srcHeight * dstWidth;
-
- if (((sModeQStr == QLatin1String("ScaleMin")) && (t1 > t2)) || ((sModeQStr == QLatin1String("ScaleMax")) && (t2 < t2))) {
- dstHeight = t2 / srcWidth;
- } else if (sModeQStr != QLatin1String("ScaleFree")) {
- dstWidth = t1 / srcHeight;
- }
-
d->setup(srcWidth, srcHeight, dstWidth, dstHeight, 0);
}
@@ -164,11 +137,6 @@ void QImageSmoothScalerPrivate::setup(const int srcWidth, const int srcHeight,
hasAlpha = hasAlphaChannel;
}
-int QImageSmoothScaler::scaledWidth() const
-{
- return d->cols;
-}
-
QImageSmoothScaler::~QImageSmoothScaler()
{
delete d;
@@ -467,20 +435,18 @@ QImage QImageSmoothScaler::scale()
class jpegSmoothScaler : public QImageSmoothScaler
{
public:
- jpegSmoothScaler(struct jpeg_decompress_struct *info, const char *params):
- QImageSmoothScaler(info->output_width, info->output_height, params)
+ jpegSmoothScaler(struct jpeg_decompress_struct *info, const QSize& dstSize, const QRect& clipRect)
+ : QImageSmoothScaler(clipRect.width(), clipRect.height(),
+ dstSize.width(), dstSize.height())
{
- cinfo = info;
- cols24Bit = scaledWidth() * 3;
-
- cacheHeight = 1;
- imageCache = QImage( info->output_width, cacheHeight, QImage::Format_RGB32 );
+ cinfo = info;
+ clip = clipRect;
+ imageCache = QImage(info->output_width, 1, QImage::Format_RGB32);
}
private:
- int cols24Bit;
+ QRect clip;
QImage imageCache;
- int cacheHeight;
struct jpeg_decompress_struct *cinfo;
QRgb *scanLine(const int line = 0, const QImage *src = 0)
@@ -492,33 +458,42 @@ private:
Q_UNUSED(src);
uchar* data = imageCache.bits();
+
+ // Read ahead if we haven't reached the first clipped scanline yet.
+ while (int(cinfo->output_scanline) < clip.y() &&
+ cinfo->output_scanline < cinfo->output_height)
+ jpeg_read_scanlines(cinfo, &data, 1);
+
+ // Read the next scanline. We assume that "line"
+ // will never be >= clip.height().
jpeg_read_scanlines(cinfo, &data, 1);
- out = (QRgb*)imageCache.scanLine(0);
+ if (cinfo->output_scanline == cinfo->output_height)
+ jpeg_finish_decompress(cinfo);
+
+ out = ((QRgb*)data) + clip.x();
//
// The smooth scale algorithm only works on 32-bit images;
// convert from (8|24) bits to 32.
//
if (cinfo->output_components == 1) {
- in = (uchar*)out + scaledWidth();
- for (uint i = scaledWidth(); i--; ) {
- in--;
+ in = data + clip.right();
+ for (int i = clip.width(); i--; ) {
out[i] = qRgb(*in, *in, *in);
+ in--;
}
- } else if (cinfo->out_color_space == JCS_CMYK) {
- int cols32Bit = scaledWidth() * 4;
- in = (uchar*)out + cols32Bit;
- for (uint i = scaledWidth(); i--; ) {
- in -= 4;
- int k = in[3];
- out[i] = qRgb(k * in[0] / 255, k * in[1] / 255, k * in[2] / 255);
- //out[i] = qRgb(in[0], in[1], in[2]);
- }
- } else {
- in = (uchar*)out + cols24Bit;
- for (uint i = scaledWidth(); i--; ) {
- in -= 3;
+ } else if (cinfo->out_color_space == JCS_CMYK) {
+ in = data + clip.right() * 4;
+ for (int i = clip.width(); i--; ) {
+ int k = in[3];
+ out[i] = qRgb(k * in[0] / 255, k * in[1] / 255, k * in[2] / 255);
+ in -= 4;
+ }
+ } else {
+ in = data + clip.right() * 3;
+ for (int i = clip.width(); i--; ) {
out[i] = qRgb(in[0], in[1], in[2]);
+ in -= 3;
}
}
@@ -637,18 +612,6 @@ inline my_jpeg_source_mgr::my_jpeg_source_mgr(QIODevice *device)
}
-static void scaleSize(int &reqW, int &reqH, int imgW, int imgH, Qt::AspectRatioMode mode)
-{
- if (mode == Qt::IgnoreAspectRatio)
- return;
- int t1 = imgW * reqH;
- int t2 = reqW * imgH;
- if ((mode == Qt::KeepAspectRatio && (t1 > t2)) || (mode == Qt::KeepAspectRatioByExpanding && (t1 < t2)))
- reqH = t2 / imgW;
- else
- reqW = t1 / imgH;
-}
-
static bool read_jpeg_size(QIODevice *device, int &w, int &h)
{
bool rt = false;
@@ -729,7 +692,7 @@ static bool read_jpeg_format(QIODevice *device, QImage::Format &format)
}
static bool ensureValidImage(QImage *dest, struct jpeg_decompress_struct *info,
- bool dummy = false)
+ const QSize& size)
{
QImage::Format format;
switch (info->output_components) {
@@ -744,13 +707,8 @@ static bool ensureValidImage(QImage *dest, struct jpeg_decompress_struct *info,
return false; // unsupported format
}
- const QSize size(info->output_width, info->output_height);
if (dest->size() != size || dest->format() != format) {
- static uchar dummyImage[1];
- if (dummy) // Create QImage but don't read the pixels
- *dest = QImage(dummyImage, size.width(), size.height(), format);
- else
- *dest = QImage(size, format);
+ *dest = QImage(size, format);
if (format == QImage::Format_Indexed8) {
dest->setColorCount(256);
@@ -763,13 +721,9 @@ static bool ensureValidImage(QImage *dest, struct jpeg_decompress_struct *info,
}
static bool read_jpeg_image(QIODevice *device, QImage *outImage,
- const QByteArray &parameters, QSize scaledSize,
- int inQuality )
+ QSize scaledSize, QRect scaledClipRect,
+ QRect clipRect, int inQuality )
{
-#ifdef QT_NO_IMAGE_SMOOTHSCALE
- Q_UNUSED( scaledSize );
-#endif
-
struct jpeg_decompress_struct cinfo;
struct my_jpeg_source_mgr *iod_src = new my_jpeg_source_mgr(device);
@@ -794,18 +748,53 @@ static bool read_jpeg_image(QIODevice *device, QImage *outImage,
if (quality < 0)
quality = 75;
- QString params = QString::fromLatin1(parameters);
- params.simplified();
- int sWidth = 0, sHeight = 0;
- char sModeStr[1024] = "";
- Qt::AspectRatioMode sMode;
+ // If possible, merge the scaledClipRect into either scaledSize
+ // or clipRect to avoid doing a separate scaled clipping pass.
+ // Best results are achieved by clipping before scaling, not after.
+ if (!scaledClipRect.isEmpty()) {
+ if (scaledSize.isEmpty() && clipRect.isEmpty()) {
+ // No clipping or scaling before final clip.
+ clipRect = scaledClipRect;
+ scaledClipRect = QRect();
+ } else if (scaledSize.isEmpty()) {
+ // Clipping, but no scaling: combine the clip regions.
+ scaledClipRect.translate(clipRect.topLeft());
+ clipRect = scaledClipRect.intersected(clipRect);
+ scaledClipRect = QRect();
+ } else if (clipRect.isEmpty()) {
+ // No clipping, but scaling: if we can map back to an
+ // integer pixel boundary, then clip before scaling.
+ if ((cinfo.image_width % scaledSize.width()) == 0 &&
+ (cinfo.image_height % scaledSize.height()) == 0) {
+ int x = scaledClipRect.x() * cinfo.image_width /
+ scaledSize.width();
+ int y = scaledClipRect.y() * cinfo.image_height /
+ scaledSize.height();
+ int width = (scaledClipRect.right() + 1) *
+ cinfo.image_width / scaledSize.width() - x;
+ int height = (scaledClipRect.bottom() + 1) *
+ cinfo.image_height / scaledSize.height() - y;
+ clipRect = QRect(x, y, width, height);
+ scaledSize = scaledClipRect.size();
+ scaledClipRect = QRect();
+ }
+ } else {
+ // Clipping and scaling: too difficult to figure out,
+ // and not a likely use case, so do it the long way.
+ }
+ }
-#ifndef QT_NO_IMAGE_SMOOTHSCALE
- // If high quality not required, shrink image during decompression
- if (scaledSize.isValid() && !scaledSize.isEmpty() && quality < HIGH_QUALITY_THRESHOLD
- && !params.contains(QLatin1String("GetHeaderInformation")) ) {
- cinfo.scale_denom = qMin(cinfo.image_width / scaledSize.width(),
- cinfo.image_width / scaledSize.height());
+ // Determine the scale factor to pass to libjpeg for quick downscaling.
+ if (!scaledSize.isEmpty()) {
+ if (clipRect.isEmpty()) {
+ cinfo.scale_denom =
+ qMin(cinfo.image_width / scaledSize.width(),
+ cinfo.image_height / scaledSize.height());
+ } else {
+ cinfo.scale_denom =
+ qMin(clipRect.width() / scaledSize.width(),
+ clipRect.height() / scaledSize.height());
+ }
if (cinfo.scale_denom < 2) {
cinfo.scale_denom = 1;
} else if (cinfo.scale_denom < 4) {
@@ -816,9 +805,19 @@ static bool read_jpeg_image(QIODevice *device, QImage *outImage,
cinfo.scale_denom = 8;
}
cinfo.scale_num = 1;
+ if (!clipRect.isEmpty()) {
+ // Correct the scale factor so that we clip accurately.
+ // It is recommended that the clip rectangle be aligned
+ // on an 8-pixel boundary for best performance.
+ while (cinfo.scale_denom > 1 &&
+ ((clipRect.x() % cinfo.scale_denom) != 0 ||
+ (clipRect.y() % cinfo.scale_denom) != 0 ||
+ (clipRect.width() % cinfo.scale_denom) != 0 ||
+ (clipRect.height() % cinfo.scale_denom) != 0)) {
+ cinfo.scale_denom /= 2;
+ }
+ }
}
-#endif
-
// If high quality not required, use fast decompression
if( quality < HIGH_QUALITY_THRESHOLD ) {
@@ -826,132 +825,102 @@ static bool read_jpeg_image(QIODevice *device, QImage *outImage,
cinfo.do_fancy_upsampling = FALSE;
}
+ (void) jpeg_calc_output_dimensions(&cinfo);
- (void) jpeg_start_decompress(&cinfo);
+ // Determine the clip region to extract.
+ QRect imageRect(0, 0, cinfo.output_width, cinfo.output_height);
+ QRect clip;
+ if (clipRect.isEmpty()) {
+ clip = imageRect;
+ } else if (cinfo.scale_denom == 1) {
+ clip = clipRect.intersected(imageRect);
+ } else {
+ // The scale factor was corrected above to ensure that
+ // we don't miss pixels when we scale the clip rectangle.
+ clip = QRect(clipRect.x() / int(cinfo.scale_denom),
+ clipRect.y() / int(cinfo.scale_denom),
+ clipRect.width() / int(cinfo.scale_denom),
+ clipRect.height() / int(cinfo.scale_denom));
+ clip = clip.intersected(imageRect);
+ }
- if (params.contains(QLatin1String("GetHeaderInformation"))) {
- if (!ensureValidImage(outImage, &cinfo, true))
- longjmp(jerr.setjmp_buffer, 1);
- } else if (params.contains(QLatin1String("Scale"))) {
-#if defined(_MSC_VER) && _MSC_VER >= 1400 && !defined(Q_OS_WINCE)
- sscanf_s(params.toLatin1().data(), "Scale(%i, %i, %1023s)",
- &sWidth, &sHeight, sModeStr, sizeof(sModeStr));
-#else
- sscanf(params.toLatin1().data(), "Scale(%i, %i, %1023s)",
- &sWidth, &sHeight, sModeStr);
-#endif
+#ifndef QT_NO_IMAGE_SMOOTHSCALE
+ if (scaledSize.isValid() && scaledSize != clip.size()
+ && quality >= HIGH_QUALITY_THRESHOLD) {
- QString sModeQStr(QString::fromLatin1(sModeStr));
- if (sModeQStr == QLatin1String("IgnoreAspectRatio")) {
- sMode = Qt::IgnoreAspectRatio;
- } else if (sModeQStr == QLatin1String("KeepAspectRatio")) {
- sMode = Qt::KeepAspectRatio;
- } else if (sModeQStr == QLatin1String("KeepAspectRatioByExpanding")) {
- sMode = Qt::KeepAspectRatioByExpanding;
- } else {
- qDebug("read_jpeg_image: invalid aspect ratio mode \"%s\", see QImage::AspectRatioMode documentation", sModeStr);
- sMode = Qt::KeepAspectRatio;
- }
+ (void) jpeg_start_decompress(&cinfo);
-// qDebug("Parameters ask to scale the image to %i x %i AspectRatioMode: %s", sWidth, sHeight, sModeStr);
- scaleSize(sWidth, sHeight, cinfo.output_width, cinfo.output_height, sMode);
-// qDebug("Scaling the jpeg to %i x %i", sWidth, sHeight, sModeStr);
-
- if (cinfo.output_components == 3 || cinfo.output_components == 4) {
- if (outImage->size() != QSize(sWidth, sHeight) || outImage->format() != QImage::Format_RGB32)
- *outImage = QImage(sWidth, sHeight, QImage::Format_RGB32);
- } else if (cinfo.output_components == 1) {
- if (outImage->size() != QSize(sWidth, sHeight) || outImage->format() != QImage::Format_Indexed8)
- *outImage = QImage(sWidth, sHeight, QImage::Format_Indexed8);
- outImage->setColorCount(256);
- for (int i = 0; i < 256; ++i)
- outImage->setColor(i, qRgb(i,i,i));
- } else {
- // Unsupported format
- }
- if (outImage->isNull())
+ jpegSmoothScaler scaler(&cinfo, scaledSize, clip);
+ *outImage = scaler.scale();
+ } else
+#endif
+ {
+ // Allocate memory for the clipped QImage.
+ if (!ensureValidImage(outImage, &cinfo, clip.size()))
longjmp(jerr.setjmp_buffer, 1);
- if (!outImage->isNull()) {
- QImage tmpImage(cinfo.output_width, 1, QImage::Format_RGB32);
- uchar* inData = tmpImage.bits();
- uchar* outData = outImage->bits();
- int out_bpl = outImage->bytesPerLine();
+ // Avoid memcpy() overhead if grayscale with no clipping.
+ bool quickGray = (cinfo.output_components == 1 &&
+ clip == imageRect);
+ if (!quickGray) {
+ // Ask the jpeg library to allocate a temporary row.
+ // The library will automatically delete it for us later.
+ // The libjpeg docs say we should do this before calling
+ // jpeg_start_decompress(). We can't use "new" here
+ // because we are inside the setjmp() block and an error
+ // in the jpeg input stream would cause a memory leak.
+ JSAMPARRAY rows = (cinfo.mem->alloc_sarray)
+ ((j_common_ptr)&cinfo, JPOOL_IMAGE,
+ cinfo.output_width * cinfo.output_components, 1);
+
+ (void) jpeg_start_decompress(&cinfo);
+
while (cinfo.output_scanline < cinfo.output_height) {
- int outputLine = sHeight * cinfo.output_scanline / cinfo.output_height;
- (void) jpeg_read_scanlines(&cinfo, &inData, 1);
+ int y = int(cinfo.output_scanline) - clip.y();
+ if (y >= clip.height())
+ break; // We've read the entire clip region, so abort.
+
+ (void) jpeg_read_scanlines(&cinfo, rows, 1);
+
+ if (y < 0)
+ continue; // Haven't reached the starting line yet.
+
if (cinfo.output_components == 3) {
- uchar *in = inData;
- QRgb *out = (QRgb*)outData + outputLine * out_bpl;
- for (uint i=0; i<cinfo.output_width; i++) {
-// ### Only scaling down an image works, I don't think scaling up will work at the moment
-// ### An idea I have to make this a smooth scale is to progressively add the pixel values up
-// When scaling down, multiple values are being over drawn in to the output buffer.
-// Instead, a weighting based on the distance the line or pixel is from the output pixel determines
-// the weight of it when added to the output buffer. At present it is a non-smooth scale which is
-// inefficently implemented, it still uncompresses all the jpeg, an optimization for progressive
-// jpegs could be made if scaling by say 50% or some other special cases
- out[sWidth * i / cinfo.output_width] = qRgb(in[0], in[1], in[2]);
+ // Expand 24->32 bpp.
+ uchar *in = rows[0] + clip.x() * 3;
+ QRgb *out = (QRgb*)outImage->scanLine(y);
+ for (int i = 0; i < clip.width(); ++i) {
+ *out++ = qRgb(in[0], in[1], in[2]);
in += 3;
}
- } else {
-// ### Need to test the case where the jpeg is grayscale, need some black and white jpegs to test
-// this code. (also only scales down and probably won't scale to a larger size)
- uchar *in = inData;
- uchar *out = outData + outputLine*out_bpl;
- for (uint i=0; i<cinfo.output_width; i++) {
- out[sWidth * i / cinfo.output_width] = in[i];
+ } else if (cinfo.out_color_space == JCS_CMYK) {
+ // Convert CMYK->RGB.
+ uchar *in = rows[0] + clip.x() * 4;
+ QRgb *out = (QRgb*)outImage->scanLine(y);
+ for (int i = 0; i < clip.width(); ++i) {
+ int k = in[3];
+ *out++ = qRgb(k * in[0] / 255, k * in[1] / 255,
+ k * in[2] / 255);
+ in += 4;
}
+ } else if (cinfo.output_components == 1) {
+ // Grayscale.
+ memcpy(outImage->scanLine(y),
+ rows[0] + clip.x(), clip.width());
}
}
- (void) jpeg_finish_decompress(&cinfo);
- }
-#ifndef QT_NO_IMAGE_SMOOTHSCALE
- } else if (scaledSize.isValid() && scaledSize != QSize(cinfo.output_width, cinfo.output_height)
- && quality >= HIGH_QUALITY_THRESHOLD) {
-
- jpegSmoothScaler scaler(&cinfo, QString().sprintf("Scale( %d, %d, ScaleFree )",
- scaledSize.width(),
- scaledSize.height()).toLatin1().data());
- *outImage = scaler.scale();
-#endif
- } else {
- if (!ensureValidImage(outImage, &cinfo))
- longjmp(jerr.setjmp_buffer, 1);
-
- uchar* data = outImage->bits();
- int bpl = outImage->bytesPerLine();
- while (cinfo.output_scanline < cinfo.output_height) {
- uchar *d = data + cinfo.output_scanline * bpl;
- (void) jpeg_read_scanlines(&cinfo,
- &d,
- 1);
+ } else {
+ // Load unclipped grayscale data directly into the QImage.
+ (void) jpeg_start_decompress(&cinfo);
+ while (cinfo.output_scanline < cinfo.output_height) {
+ uchar *row = outImage->scanLine(cinfo.output_scanline);
+ (void) jpeg_read_scanlines(&cinfo, &row, 1);
+ }
}
- (void) jpeg_finish_decompress(&cinfo);
- if (cinfo.output_components == 3) {
- // Expand 24->32 bpp.
- for (uint j=0; j<cinfo.output_height; j++) {
- uchar *in = outImage->scanLine(j) + cinfo.output_width * 3;
- QRgb *out = (QRgb*)outImage->scanLine(j);
+ if (cinfo.output_scanline == cinfo.output_height)
+ (void) jpeg_finish_decompress(&cinfo);
- for (uint i=cinfo.output_width; i--;) {
- in-=3;
- out[i] = qRgb(in[0], in[1], in[2]);
- }
- }
- } else if (cinfo.out_color_space == JCS_CMYK) {
- for (uint j = 0; j < cinfo.output_height; ++j) {
- uchar *in = outImage->scanLine(j) + cinfo.output_width * 4;
- QRgb *out = (QRgb*)outImage->scanLine(j);
-
- for (uint i = cinfo.output_width; i--; ) {
- in-=4;
- int k = in[3];
- out[i] = qRgb(k * in[0] / 255, k * in[1] / 255, k * in[2] / 255);
- }
- }
- }
if (cinfo.density_unit == 1) {
outImage->setDotsPerMeterX(int(100. * cinfo.X_density / 2.54));
outImage->setDotsPerMeterY(int(100. * cinfo.Y_density / 2.54));
@@ -960,13 +929,15 @@ static bool read_jpeg_image(QIODevice *device, QImage *outImage,
outImage->setDotsPerMeterY(int(100. * cinfo.Y_density));
}
- if (scaledSize.isValid() && scaledSize != QSize(cinfo.output_width, cinfo.output_height))
+ if (scaledSize.isValid() && scaledSize != clip.size())
*outImage = outImage->scaled(scaledSize, Qt::IgnoreAspectRatio, Qt::FastTransformation);
}
}
jpeg_destroy_decompress(&cinfo);
delete iod_src;
+ if (!scaledClipRect.isEmpty())
+ *outImage = outImage->copy(scaledClipRect);
return !outImage->isNull();
}
@@ -1224,7 +1195,7 @@ bool QJpegHandler::read(QImage *image)
{
if (!canRead())
return false;
- return read_jpeg_image(device(), image, parameters, scaledSize, quality);
+ return read_jpeg_image(device(), image, scaledSize, scaledClipRect, clipRect, quality);
}
bool QJpegHandler::write(const QImage &image)
@@ -1235,9 +1206,9 @@ bool QJpegHandler::write(const QImage &image)
bool QJpegHandler::supportsOption(ImageOption option) const
{
return option == Quality
-#ifndef QT_NO_IMAGE_SMOOTHSCALE
|| option == ScaledSize
-#endif
+ || option == ScaledClipRect
+ || option == ClipRect
|| option == Size
|| option == ImageFormat;
}
@@ -1246,10 +1217,12 @@ QVariant QJpegHandler::option(ImageOption option) const
{
if (option == Quality) {
return quality;
-#ifndef QT_NO_IMAGE_SMOOTHSCALE
} else if (option == ScaledSize) {
return scaledSize;
-#endif
+ } else if (option == ScaledClipRect) {
+ return scaledClipRect;
+ } else if (option == ClipRect) {
+ return clipRect;
} else if (option == Size) {
if (canRead() && !device()->isSequential()) {
qint64 pos = device()->pos();
@@ -1276,10 +1249,12 @@ void QJpegHandler::setOption(ImageOption option, const QVariant &value)
{
if (option == Quality)
quality = value.toInt();
-#ifndef QT_NO_IMAGE_SMOOTHSCALE
else if ( option == ScaledSize )
scaledSize = value.toSize();
-#endif
+ else if ( option == ScaledClipRect )
+ scaledClipRect = value.toRect();
+ else if ( option == ClipRect )
+ clipRect = value.toRect();
}
QByteArray QJpegHandler::name() const
generated by cgit v0.12 at 2024-11-13 13:57:44 (GMT)