diff options
Diffstat (limited to 'src/gui/image/qimage.cpp')
-rw-r--r-- | src/gui/image/qimage.cpp | 36 |
1 files changed, 27 insertions, 9 deletions
diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp index a6ac3bc333..8b2db6d346 100644 --- a/src/gui/image/qimage.cpp +++ b/src/gui/image/qimage.cpp @@ -1094,16 +1094,32 @@ void QImage::detach() } -static void copyMetadata(QImageData *dst, const QImageData *src) +static void copyPhysicalMetadata(QImageData *dst, const QImageData *src) { - // Doesn't copy colortable and alpha_clut, or offset. dst->dpmx = src->dpmx; dst->dpmy = src->dpmy; dst->devicePixelRatio = src->devicePixelRatio; +} + +static void copyMetadata(QImageData *dst, const QImageData *src) +{ + // Doesn't copy colortable and alpha_clut, or offset. + copyPhysicalMetadata(dst, src); dst->text = src->text; dst->colorSpace = src->colorSpace; } +static void copyMetadata(QImage *dst, const QImage &src) +{ + dst->setDotsPerMeterX(src.dotsPerMeterX()); + dst->setDotsPerMeterY(src.dotsPerMeterY()); + dst->setDevicePixelRatio(src.devicePixelRatio()); + const auto textKeys = src.textKeys(); + for (const auto &key: textKeys) + dst->setText(key, src.text(key)); + +} + /*! \fn QImage QImage::copy(int x, int y, int width, int height) const \overload @@ -2955,8 +2971,10 @@ QImage QImage::createAlphaMask(Qt::ImageConversionFlags flags) const } QImage mask(d->width, d->height, Format_MonoLSB); - if (!mask.isNull()) + if (!mask.isNull()) { dither_to_Mono(mask.d, d, flags, true); + copyPhysicalMetadata(mask.d, d); + } return mask; } @@ -3074,6 +3092,7 @@ QImage QImage::createHeuristicMask(bool clipTight) const #undef PIX + copyPhysicalMetadata(m.d, d); return m; } #endif //QT_NO_IMAGE_HEURISTIC_MASK @@ -3117,6 +3136,8 @@ QImage QImage::createMaskFromColor(QRgb color, Qt::MaskMode mode) const } if (mode == Qt::MaskOutColor) maskImage.invertPixels(); + + copyPhysicalMetadata(maskImage.d, d); return maskImage; } @@ -4688,8 +4709,7 @@ QImage QImage::smoothScaled(int w, int h) const { static QImage rotated90(const QImage &image) { QImage out(image.height(), image.width(), image.format()); - out.setDotsPerMeterX(image.dotsPerMeterY()); - out.setDotsPerMeterY(image.dotsPerMeterX()); + copyMetadata(&out, image); if (image.colorCount() > 0) out.setColorTable(image.colorTable()); int w = image.width(); @@ -4717,8 +4737,7 @@ static QImage rotated180(const QImage &image) return image.mirrored(true, true); QImage out(image.width(), image.height(), image.format()); - out.setDotsPerMeterX(image.dotsPerMeterY()); - out.setDotsPerMeterY(image.dotsPerMeterX()); + copyMetadata(&out, image); if (image.colorCount() > 0) out.setColorTable(image.colorTable()); int w = image.width(); @@ -4730,8 +4749,7 @@ static QImage rotated180(const QImage &image) static QImage rotated270(const QImage &image) { QImage out(image.height(), image.width(), image.format()); - out.setDotsPerMeterX(image.dotsPerMeterY()); - out.setDotsPerMeterY(image.dotsPerMeterX()); + copyMetadata(&out, image); if (image.colorCount() > 0) out.setColorTable(image.colorTable()); int w = image.width(); |