diff options
Diffstat (limited to 'src/gui/image/qimage.cpp')
| -rw-r--r-- | src/gui/image/qimage.cpp | 553 |
1 files changed, 0 insertions, 553 deletions
diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp index 50b372ea63..448e1b4be0 100644 --- a/src/gui/image/qimage.cpp +++ b/src/gui/image/qimage.cpp @@ -124,9 +124,6 @@ QBasicAtomicInt qimage_serial_number = Q_BASIC_ATOMIC_INITIALIZER(1); QImageData::QImageData() : ref(0), width(0), height(0), depth(0), nbytes(0), data(0), -#ifdef QT3_SUPPORT - jumptable(0), -#endif format(QImage::Format_ARGB32), bytes_per_line(0), ser_no(qimage_serial_number.fetchAndAddRelaxed(1)), detach_no(0), @@ -220,11 +217,6 @@ QImageData::~QImageData() delete paintEngine; if (data && own_data) free(data); -#ifdef QT3_SUPPORT - if (jumptable) - free(jumptable); - jumptable = 0; -#endif data = 0; } @@ -757,27 +749,6 @@ const uchar *qt_get_bitflip_array() // called from QPixma return bitflip; } -#if defined(QT3_SUPPORT) -static QImage::Format formatFor(int depth, QImage::Endian bitOrder) -{ - QImage::Format format; - if (depth == 1) { - format = bitOrder == QImage::BigEndian ? QImage::Format_Mono : QImage::Format_MonoLSB; - } else if (depth == 8) { - format = QImage::Format_Indexed8; - } else if (depth == 32) { - format = QImage::Format_RGB32; - } else if (depth == 24) { - format = QImage::Format_RGB888; - } else if (depth == 16) { - format = QImage::Format_RGB16; - } else { - qWarning("QImage: Depth %d not supported", depth); - format = QImage::Format_Invalid; - } - return format; -} -#endif /*! Constructs a null image. @@ -991,42 +962,6 @@ QImage::QImage(const QString &fileName, const char *format) load(fileName, format); } -/*! - Constructs an image and tries to load the image from the file with - the given \a fileName. - - The loader attempts to read the image using the specified \a - format. If the \a format is not specified (which is the default), - the loader probes the file for a header to guess the file format. - - If the loading of the image failed, this object is a null image. - - The file name can either refer to an actual file on disk or to one - of the application's embedded resources. See the - \l{resources.html}{Resource System} overview for details on how to - embed images and other resource files in the application's - executable. - - You can disable this constructor by defining \c - QT_NO_CAST_FROM_ASCII when you compile your applications. This can - be useful, for example, if you want to ensure that all - user-visible strings go through QObject::tr(). - - \sa QString::fromAscii(), isNull(), {QImage#Reading and Writing - Image Files}{Reading and Writing Image Files} -*/ -#ifndef QT_NO_CAST_FROM_ASCII -QImage::QImage(const char *fileName, const char *format) - : QPaintDevice() -{ - // ### Qt 5: if you remove the QImage(const QByteArray &) QT3_SUPPORT - // constructor, remove this constructor as well. The constructor here - // exists so that QImage("foo.png") compiles without ambiguity. - d = 0; - load(QString::fromAscii(fileName), format); -} -#endif - #ifndef QT_NO_IMAGEFORMAT_XPM extern bool qt_read_xpm_image_or_array(QIODevice *device, const char * const *source, QImage &image); @@ -1097,178 +1032,6 @@ QImage::QImage(const QImage &image) } } -#ifdef QT3_SUPPORT -/*! - \fn QImage::QImage(int width, int height, int depth, int numColors, Endian bitOrder) - - Constructs an image with the given \a width, \a height, \a depth, - \a numColors colors and \a bitOrder. - - Use the constructor that accepts a width, a height and a format - (i.e. specifying the depth and bit order), in combination with the - setColorCount() function, instead. - - \oldcode - QImage image(width, height, depth, numColors); - \newcode - QImage image(width, height, format); - - // For 8 bit images the default number of colors is 256. If - // another number of colors is required it can be specified - // using the setColorCount() function. - image.setColorCount(numColors); - \endcode -*/ - -QImage::QImage(int w, int h, int depth, int colorCount, Endian bitOrder) - : QPaintDevice() -{ - d = QImageData::create(QSize(w, h), formatFor(depth, bitOrder), colorCount); -} - -/*! - Constructs an image with the given \a size, \a depth, \a numColors - and \a bitOrder. - - Use the constructor that accepts a size and a format - (i.e. specifying the depth and bit order), in combination with the - setColorCount() function, instead. - - \oldcode - QSize mySize(width, height); - QImage image(mySize, depth, numColors); - \newcode - QSize mySize(width, height); - QImage image(mySize, format); - - // For 8 bit images the default number of colors is 256. If - // another number of colors is required it can be specified - // using the setColorCount() function. - image.setColorCount(numColors); - \endcode -*/ -QImage::QImage(const QSize& size, int depth, int numColors, Endian bitOrder) - : QPaintDevice() -{ - d = QImageData::create(size, formatFor(depth, bitOrder), numColors); -} - -/*! - \fn QImage::QImage(uchar* data, int width, int height, int depth, const QRgb* colortable, int numColors, Endian bitOrder) - - Constructs an image with the given \a width, \a height, depth, \a - colortable, \a numColors and \a bitOrder, that uses an existing - memory buffer, \a data. - - Use the constructor that accepts a uchar pointer, a width, a - height and a format (i.e. specifying the depth and bit order), in - combination with the setColorTable() function, instead. - - \oldcode - uchar *myData; - QRgb *myColorTable; - - QImage image(myData, width, height, depth, - myColorTable, numColors, IgnoreEndian); - \newcode - uchar *myData; - QVector<QRgb> myColorTable; - - QImage image(myData, width, height, format); - image.setColorTable(myColorTable); - \endcode -*/ -QImage::QImage(uchar* data, int w, int h, int depth, const QRgb* colortable, int numColors, Endian bitOrder) - : QPaintDevice() -{ - d = 0; - Format f = formatFor(depth, bitOrder); - if (f == Format_Invalid) - return; - - const int bytes_per_line = ((w*depth+31)/32)*4; // bytes per scanline - if (w <= 0 || h <= 0 || numColors < 0 || !data - || INT_MAX/sizeof(uchar *) < uint(h) - || INT_MAX/uint(depth) < uint(w) - || bytes_per_line <= 0 - || INT_MAX/uint(bytes_per_line) < uint(h)) - return; // invalid parameter(s) - d = new QImageData; - d->ref.ref(); - - d->own_data = false; - d->data = data; - d->width = w; - d->height = h; - d->depth = depth; - d->format = f; - if (depth == 32) - numColors = 0; - - d->bytes_per_line = bytes_per_line; - d->nbytes = d->bytes_per_line * h; - if (colortable) { - d->colortable.resize(numColors); - for (int i = 0; i < numColors; ++i) - d->colortable[i] = colortable[i]; - } else if (numColors) { - setColorCount(numColors); - } -} - -#ifdef Q_WS_QWS - -/*! - \fn QImage::QImage(uchar* data, int width, int height, int depth, int bytesPerLine, const QRgb* colortable, int numColors, Endian bitOrder) - - Constructs an image with the given \a width, \a height, \a depth, - \a bytesPerLine, \a colortable, \a numColors and \a bitOrder, that - uses an existing memory buffer, \a data. The image does not delete - the buffer at destruction. - - \warning This constructor is only available in Qt for Embedded Linux. - - The data has to be 32-bit aligned, and each scanline of data in the image - must also be 32-bit aligned, so it's no longer possible to specify a custom - \a bytesPerLine value. -*/ -QImage::QImage(uchar* data, int w, int h, int depth, int bpl, const QRgb* colortable, int numColors, Endian bitOrder) - : QPaintDevice() -{ - d = 0; - Format f = formatFor(depth, bitOrder); - if (f == Format_Invalid) - return; - if (!data || w <= 0 || h <= 0 || depth <= 0 || numColors < 0 - || INT_MAX/sizeof(uchar *) < uint(h) - || INT_MAX/uint(depth) < uint(w) - || bpl <= 0 - || INT_MAX/uint(bpl) < uint(h)) - return; // invalid parameter(s) - - d = new QImageData; - d->ref.ref(); - d->own_data = false; - d->data = data; - d->width = w; - d->height = h; - d->depth = depth; - d->format = f; - if (depth == 32) - numColors = 0; - d->bytes_per_line = bpl; - d->nbytes = d->bytes_per_line * h; - if (colortable) { - d->colortable.resize(numColors); - for (int i = 0; i < numColors; ++i) - d->colortable[i] = colortable[i]; - } else if (numColors) { - setColorCount(numColors); - } -} -#endif // Q_WS_QWS -#endif // QT3_SUPPORT - /*! Destroys the image and cleans up. */ @@ -1613,75 +1376,6 @@ int QImage::colorCount() const return d ? d->colortable.size() : 0; } - -#ifdef QT3_SUPPORT -/*! - \fn QImage::Endian QImage::bitOrder() const - - Returns the bit order for the image. If it is a 1-bpp image, this - function returns either QImage::BigEndian or - QImage::LittleEndian. Otherwise, this function returns - QImage::IgnoreEndian. - - Use the format() function instead for the monochrome formats. For - non-monochrome formats the bit order is irrelevant. -*/ - -/*! - Returns a pointer to the scanline pointer table. This is the - beginning of the data block for the image. - Returns 0 in case of an error. - - Use the bits() or scanLine() function instead. -*/ -uchar **QImage::jumpTable() -{ - if (!d) - return 0; - detach(); - - // in case detach() ran out of memory.. - if (!d) - return 0; - - if (!d->jumptable) { - d->jumptable = (uchar **)malloc(d->height*sizeof(uchar *)); - if (!d->jumptable) - return 0; - uchar *data = d->data; - int height = d->height; - uchar **p = d->jumptable; - while (height--) { - *p++ = data; - data += d->bytes_per_line; - } - } - return d->jumptable; -} - -/*! - \overload -*/ -const uchar * const *QImage::jumpTable() const -{ - if (!d) - return 0; - if (!d->jumptable) { - d->jumptable = (uchar **)malloc(d->height*sizeof(uchar *)); - if (!d->jumptable) - return 0; - uchar *data = d->data; - int height = d->height; - uchar **p = d->jumptable; - while (height--) { - *p++ = data; - data += d->bytes_per_line; - } - } - return d->jumptable; -} -#endif - /*! Sets the color table used to translate color indexes to QRgb values, to the specified \a colors. @@ -2223,116 +1917,6 @@ QImage::Format QImage::format() const } -#ifdef QT3_SUPPORT -/*! - Returns true if alpha buffer mode is enabled; otherwise returns - false. - - Use the hasAlphaChannel() function instead. - -*/ -bool QImage::hasAlphaBuffer() const -{ - if (!d) - return false; - - switch (d->format) { - case Format_ARGB32: - case Format_ARGB32_Premultiplied: - case Format_ARGB8565_Premultiplied: - case Format_ARGB8555_Premultiplied: - case Format_ARGB6666_Premultiplied: - case Format_ARGB4444_Premultiplied: - return true; - default: - return false; - } -} - -/*! - Enables alpha buffer mode if \a enable is true, otherwise disables - it. The alpha buffer is used to set a mask when a QImage is - translated to a QPixmap. - - If a monochrome or indexed 8-bit image has alpha channels in their - color tables they will automatically detect that they have an - alpha channel, so this function is not required. To force alpha - channels on 32-bit images, use the convertToFormat() function. -*/ - -void QImage::setAlphaBuffer(bool enable) -{ - if (!d - || d->format == Format_Mono - || d->format == Format_MonoLSB - || d->format == Format_Indexed8) - return; - if (enable && (d->format == Format_ARGB32 || - d->format == Format_ARGB32_Premultiplied || - d->format == Format_ARGB8565_Premultiplied || - d->format == Format_ARGB6666_Premultiplied || - d->format == Format_ARGB8555_Premultiplied || - d->format == Format_ARGB4444_Premultiplied)) - { - return; - } - if (!enable && (d->format == Format_RGB32 || - d->format == Format_RGB555 || - d->format == Format_RGB666 || - d->format == Format_RGB888 || - d->format == Format_RGB444)) - { - return; - } - detach(); - d->format = (enable ? Format_ARGB32 : Format_RGB32); -} - - -/*! - \fn bool QImage::create(int width, int height, int depth, int numColors, Endian bitOrder) - - Sets the image \a width, \a height, \a depth, its number of colors - (in \a numColors), and bit order. Returns true if successful, or - false if the parameters are incorrect or if memory cannot be - allocated. - - The \a width and \a height is limited to 32767. \a depth must be - 1, 8, or 32. If \a depth is 1, \a bitOrder must be set to - either QImage::LittleEndian or QImage::BigEndian. For other depths - \a bitOrder must be QImage::IgnoreEndian. - - This function allocates a color table and a buffer for the image - data. The image data is not initialized. The image buffer is - allocated as a single block that consists of a table of scanLine() - pointers (jumpTable()) and the image data (bits()). - - Use a QImage constructor instead. -*/ -bool QImage::create(int width, int height, int depth, int numColors, Endian bitOrder) -{ - if (d && !d->ref.deref()) - delete d; - d = QImageData::create(QSize(width, height), formatFor(depth, bitOrder), numColors); - return true; -} - -/*! - \fn bool QImage::create(const QSize& size, int depth, int numColors, Endian bitOrder) - \overload - - The width and height are specified in the \a size argument. - - Use a QImage constructor instead. -*/ -bool QImage::create(const QSize& size, int depth, int numColors, QImage::Endian bitOrder) -{ - if (d && !d->ref.deref()) - delete d; - d = QImageData::create(size, formatFor(depth, bitOrder), numColors); - return true; -} -#endif // QT3_SUPPORT /***************************************************************************** Internal routines for converting image depth. @@ -4022,30 +3606,6 @@ QImage QImage::convertToFormat(Format format, const QVector<QRgb> &colorTable, Q return image; } -#ifdef QT3_SUPPORT -/*! - Converts the depth (bpp) of the image to the given \a depth and - returns the converted image. The original image is not changed. - Returns this image if \a depth is equal to the image depth, or a - null image if this image cannot be converted. The \a depth - argument must be 1, 8 or 32. If the image needs to be modified to - fit in a lower-resolution result (e.g. converting from 32-bit to - 8-bit), use the \a flags to specify how you'd prefer this to - happen. - - Use the convertToFormat() function instead. -*/ - -QImage QImage::convertDepth(int depth, Qt::ImageConversionFlags flags) const -{ - if (!d || d->depth == depth) - return *this; - - Format format = formatFor (depth, QImage::LittleEndian); - return convertToFormat(format, flags); -} -#endif - /*! \fn bool QImage::valid(const QPoint &pos) const @@ -4264,41 +3824,6 @@ void QImage::setPixel(int x, int y, uint index_or_rgb) } } -#ifdef QT3_SUPPORT -/*! - Converts the bit order of the image to the given \a bitOrder and - returns the converted image. The original image is not changed. - Returns this image if the given \a bitOrder is equal to the image - current bit order, or a null image if this image cannot be - converted. - - Use convertToFormat() instead. -*/ - -QImage QImage::convertBitOrder(Endian bitOrder) const -{ - if (!d || isNull() || d->depth != 1 || !(bitOrder == BigEndian || bitOrder == LittleEndian)) - return QImage(); - - if ((d->format == Format_Mono && bitOrder == BigEndian) - || (d->format == Format_MonoLSB && bitOrder == LittleEndian)) - return *this; - - QImage image(d->width, d->height, d->format == Format_Mono ? Format_MonoLSB : Format_Mono); - - const uchar *data = d->data; - const uchar *end = data + d->nbytes; - uchar *ndata = image.d->data; - while (data < end) - *ndata++ = bitflip[*data++]; - - image.setDotsPerMeterX(dotsPerMeterX()); - image.setDotsPerMeterY(dotsPerMeterY()); - - image.d->colortable = d->colortable; - return image; -} -#endif /*! Returns true if all the colors in the image are shades of gray (i.e. their red, green and blue components are equal); otherwise @@ -5283,66 +4808,6 @@ QDataStream &operator>>(QDataStream &s, QImage &image) #endif // QT_NO_DATASTREAM -#ifdef QT3_SUPPORT -/*! - \fn QImage QImage::convertDepthWithPalette(int depth, QRgb* palette, int palette_count, Qt::ImageConversionFlags flags) const - - Returns an image with the given \a depth, using the \a - palette_count colors pointed to by \a palette. If \a depth is 1 or - 8, the returned image will have its color table ordered in the - same way as \a palette. - - If the image needs to be modified to fit in a lower-resolution - result (e.g. converting from 32-bit to 8-bit), use the \a flags to - specify how you'd prefer this to happen. - - Note: currently no closest-color search is made. If colors are - found that are not in the palette, the palette may not be used at - all. This result should not be considered valid because it may - change in future implementations. - - Currently inefficient for non-32-bit images. - - Use the convertToFormat() function in combination with the - setColorTable() function instead. -*/ -QImage QImage::convertDepthWithPalette(int d, QRgb* palette, int palette_count, Qt::ImageConversionFlags flags) const -{ - Format f = formatFor(d, QImage::LittleEndian); - QVector<QRgb> colortable; - for (int i = 0; i < palette_count; ++i) - colortable.append(palette[i]); - return convertToFormat(f, colortable, flags); -} - -/*! - \relates QImage - - Copies a block of pixels from \a src to \a dst. The pixels - copied from source (src) are converted according to - \a flags if it is incompatible with the destination - (\a dst). - - \a sx, \a sy is the top-left pixel in \a src, \a dx, \a dy is the - top-left position in \a dst and \a sw, \a sh is the size of the - copied block. The copying is clipped if areas outside \a src or \a - dst are specified. If \a sw is -1, it is adjusted to - src->width(). Similarly, if \a sh is -1, it is adjusted to - src->height(). - - Currently inefficient for non 32-bit images. - - Use copy() or QPainter::drawImage() instead. -*/ -void bitBlt(QImage *dst, int dx, int dy, const QImage *src, int sx, int sy, int sw, int sh, - Qt::ImageConversionFlags flags) -{ - if (dst->isNull() || src->isNull()) - return; - QPainter p(dst); - p.drawImage(QPoint(dx, dy), *src, QRect(sx, sy, sw, sh), flags); -} -#endif /*! \fn bool QImage::operator==(const QImage & image) const @@ -6322,24 +5787,6 @@ int QImage::bitPlaneCount() const return bpc; } - -#ifdef QT3_SUPPORT -#if defined(Q_WS_X11) -QT_BEGIN_INCLUDE_NAMESPACE -#include <private/qt_x11_p.h> -QT_END_INCLUDE_NAMESPACE -#endif - -QImage::Endian QImage::systemBitOrder() -{ -#if defined(Q_WS_X11) - return BitmapBitOrder(X11->display) == MSBFirst ? BigEndian : LittleEndian; -#else - return BigEndian; -#endif -} -#endif - /*! \fn QImage QImage::copy(const QRect &rect, Qt::ImageConversionFlags flags) const \compat |