diff options
Diffstat (limited to 'src/gui/image/qimage.cpp')
| -rw-r--r-- | src/gui/image/qimage.cpp | 60 |
1 files changed, 51 insertions, 9 deletions
diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp index 3e18ca6528..0463ef6a42 100644 --- a/src/gui/image/qimage.cpp +++ b/src/gui/image/qimage.cpp @@ -117,7 +117,7 @@ QImageData::QImageData() */ QImageData * QImageData::create(const QSize &size, QImage::Format format) { - if (!size.isValid() || format == QImage::Format_Invalid) + if (size.isEmpty() || format == QImage::Format_Invalid) return nullptr; // invalid parameter(s) int width = size.width(); @@ -288,6 +288,7 @@ bool QImageData::checkForAlphaPixels() const case QImage::Format_BGR30: case QImage::Format_RGB30: case QImage::Format_Grayscale8: + case QImage::Format_Grayscale16: case QImage::Format_RGBX64: break; case QImage::Format_Invalid: @@ -710,6 +711,7 @@ bool QImageData::checkForAlphaPixels() const \value Format_A2RGB30_Premultiplied The image is stored using a 32-bit premultiplied ARGB format (2-10-10-10). (added in Qt 5.4) \value Format_Alpha8 The image is stored using an 8-bit alpha only format. (added in Qt 5.5) \value Format_Grayscale8 The image is stored using an 8-bit grayscale format. (added in Qt 5.5) + \value Format_Grayscale16 The image is stored using an 16-bit grayscale format. (added in Qt 5.13) \value Format_RGBX64 The image is stored using a 64-bit halfword-ordered RGB(x) format (16-16-16-16). This is the same as the Format_RGBX64 except alpha must always be 65535. (added in Qt 5.12) \value Format_RGBA64 The image is stored using a 64-bit halfword-ordered RGBA format (16-16-16-16). (added in Qt 5.12) @@ -1448,6 +1450,7 @@ void QImage::setDevicePixelRatio(qreal scaleFactor) d->devicePixelRatio = scaleFactor; } +#if QT_DEPRECATED_SINCE(5, 10) /*! \since 4.6 \obsolete @@ -1464,6 +1467,7 @@ int QImage::byteCount() const Q_ASSERT(!d || d->nbytes < std::numeric_limits<int>::max()); return d ? int(d->nbytes) : 0; } +#endif /*! \since 5.10 @@ -2045,6 +2049,7 @@ static bool highColorPrecision(QImage::Format format) case QImage::Format_RGBX64: case QImage::Format_RGBA64: case QImage::Format_RGBA64_Premultiplied: + case QImage::Format_Grayscale16: return true; default: break; @@ -2066,13 +2071,7 @@ QImage QImage::convertToFormat_helper(Format format, Qt::ImageConversionFlags fl Image_Converter converter = qimage_converter_map[d->format][format]; if (!converter && format > QImage::Format_Indexed8 && d->format > QImage::Format_Indexed8) { if (highColorPrecision(format) && highColorPrecision(d->format)) { - // Convert over RGBA64_Premultiplied - if (format == QImage::Format_RGBA64_Premultiplied) - converter = convert_generic_to_rgb64; - else { - Q_ASSERT(d->format != QImage::Format_RGBA64_Premultiplied); - return convertToFormat(Format_RGBA64_Premultiplied, flags).convertToFormat(format, flags); - } + converter = convert_generic_to_rgb64; } else converter = convert_generic; } @@ -2253,6 +2252,29 @@ bool QImage::reinterpretAsFormat(Format format) } /*! + \since 5.13 + + Detach and convert the image to the given \a format in place. + + The specified image conversion \a flags control how the image data + is handled during the conversion process. + + \sa convertToFormat() +*/ + +void QImage::convertTo(Format format, Qt::ImageConversionFlags flags) +{ + if (!d || format == QImage::Format_Invalid) + return; + + detach(); + if (convertToFormat_inplace(format, flags)) + return; + + *this = convertToFormat_helper(format, flags); +} + +/*! \fn bool QImage::valid(const QPoint &pos) const Returns \c true if \a pos is a valid coordinate pair within the @@ -2538,6 +2560,10 @@ QColor QImage::pixelColor(int x, int y) const case Format_RGBA64_Premultiplied: c = reinterpret_cast<const QRgba64 *>(s)[x]; break; + case Format_Grayscale16: { + quint16 v = reinterpret_cast<const quint16 *>(s)[x]; + return QColor(qRgba64(v, v, v, 0xffff)); + } default: c = QRgba64::fromArgb32(pixel(x, y)); break; @@ -2648,6 +2674,7 @@ bool QImage::allGray() const case Format_Alpha8: return false; case Format_Grayscale8: + case Format_Grayscale16: return true; case Format_RGB32: case Format_ARGB32: @@ -2714,7 +2741,7 @@ bool QImage::isGrayscale() const if (d->format == QImage::Format_Alpha8) return false; - if (d->format == QImage::Format_Grayscale8) + if (d->format == QImage::Format_Grayscale8 || d->format == QImage::Format_Grayscale16) return true; switch (depth()) { @@ -3348,6 +3375,7 @@ QImage QImage::rgbSwapped_helper() const break; case Format_Alpha8: case Format_Grayscale8: + case Format_Grayscale16: return *this; case Format_Mono: case Format_MonoLSB: @@ -3459,6 +3487,7 @@ void QImage::rgbSwapped_inplace() break; case Format_Alpha8: case Format_Grayscale8: + case Format_Grayscale16: return; case Format_Mono: case Format_MonoLSB: @@ -5356,6 +5385,19 @@ static Q_CONSTEXPR QPixelFormat pixelformats[] = { /*PREMULTIPLIED*/ QPixelFormat::Premultiplied, /*INTERPRETATION*/ QPixelFormat::UnsignedShort, /*BYTE ORDER*/ QPixelFormat::CurrentSystemEndian), + //QImage::Format_Grayscale16: + QPixelFormat(QPixelFormat::Grayscale, + /*GRAY*/ 16, + /*SECOND*/ 0, + /*THIRD*/ 0, + /*FOURTH*/ 0, + /*FIFTH*/ 0, + /*ALPHA*/ 0, + /*ALPHA USAGE*/ QPixelFormat::IgnoresAlpha, + /*ALPHA POSITION*/ QPixelFormat::AtBeginning, + /*PREMULTIPLIED*/ QPixelFormat::NotPremultiplied, + /*INTERPRETATION*/ QPixelFormat::UnsignedShort, + /*BYTE ORDER*/ QPixelFormat::CurrentSystemEndian), }; Q_STATIC_ASSERT(sizeof(pixelformats) / sizeof(*pixelformats) == QImage::NImageFormats); |