GIT_SILENT Upgrade ECM and KF5 version requirements for 5.77.0 release.

CMakeLists.txt

@@ -5,7 +5,7 @@ project(KImageFormats)
 set (CMAKE_CXX_STANDARD 14)
 
 include(FeatureSummary)
-find_package(ECM 5.73.0  NO_MODULE)
+find_package(ECM 5.77.0  NO_MODULE)
 set_package_properties(ECM PROPERTIES TYPE REQUIRED DESCRIPTION "Extra CMake Modules." URL "https://commits.kde.org/extra-cmake-modules")
 feature_summary(WHAT REQUIRED_PACKAGES_NOT_FOUND FATAL_ON_MISSING_REQUIRED_PACKAGES)
 
@@ -19,7 +19,7 @@ include(KDECMakeSettings)
 
 include(CheckIncludeFiles)
 
-set(REQUIRED_QT_VERSION 5.12.0)
+set(REQUIRED_QT_VERSION 5.13.0)
 find_package(Qt5Gui ${REQUIRED_QT_VERSION} REQUIRED NO_MODULE)
 
 find_package(KF5Archive)
@@ -50,8 +50,8 @@ set_package_properties(OpenEXR PROPERTIES
 add_definitions(-DQT_NO_FOREACH)
 # 050d00 (5.13) triggers a BIC in qimageiohandler.h, in Qt 5.13, so do not enable that until we can require 5.14
 # https://codereview.qt-project.org/c/qt/qtbase/+/279215
-add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0x050c00)
+add_definitions(-DQT_DISABLE_DEPRECATED_BEFORE=0x050d00)
-add_definitions(-DKF_DISABLE_DEPRECATED_BEFORE_AND_AT=0x054700)
+add_definitions(-DKF_DISABLE_DEPRECATED_BEFORE_AND_AT=0x054B00)
 add_subdirectory(src)
 if (BUILD_TESTING)
     add_subdirectory(autotests)

COPYING.LIB

@@ -1,510 +0,0 @@
-
-                  GNU LESSER GENERAL PUBLIC LICENSE
-                       Version 2.1, February 1999
-
- Copyright (C) 1991, 1999 Free Software Foundation, Inc.
-	51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- Everyone is permitted to copy and distribute verbatim copies
- of this license document, but changing it is not allowed.
-
-[This is the first released version of the Lesser GPL.  It also counts
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- the version number 2.1.]
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autotests/readtest.cpp

@@ -36,14 +36,17 @@ static void writeImageData(const char *name, const QString &filename, const QIma
     }
 }
 
-// allow each byte to be different by up to 1, to allow for rounding errors
+template<class Trait>
 static bool fuzzyeq(const QImage &im1, const QImage &im2, uchar fuzziness)
 {
+    Q_ASSERT(im1.format() == im2.format());
+    Q_ASSERT(im1.depth() == 24 || im1.depth() == 32 || im1.depth() == 64);
+
     const int height = im1.height();
     const int width = im1.width();
     for (int i = 0; i < height; ++i) {
-        const uchar *line1 = im1.scanLine(i);
+        const Trait *line1 = reinterpret_cast<const Trait*>(im1.scanLine(i));
-        const uchar *line2 = im2.scanLine(i);
+        const Trait *line2 = reinterpret_cast<const Trait*>(im2.scanLine(i));
         for (int j = 0; j < width; ++j) {
             if (line1[j] > line2[j]) {
                 if (line1[j] - line2[j] > fuzziness)
@@ -57,6 +60,30 @@ static bool fuzzyeq(const QImage &im1, const QImage &im2, uchar fuzziness)
     return true;
 }
 
+// allow each byte to be different by up to 1, to allow for rounding errors
+static bool fuzzyeq(const QImage &im1, const QImage &im2, uchar fuzziness)
+{
+    return (im1.depth() == 64) ? fuzzyeq<quint16>(im1, im2, fuzziness)
+                               : fuzzyeq<quint8>(im1, im2, fuzziness);
+}
+
+// Returns the original format if we support, or returns
+// format which we preferred to use for `fuzzyeq()`.
+// We do only support formats with 8-bits/16-bits pre pixel.
+// If that changed, don't forget to update `fuzzyeq()` too
+static QImage::Format preferredFormat(QImage::Format fmt)
+{
+    switch (fmt) {
+    case QImage::Format_RGB32:
+    case QImage::Format_ARGB32:
+    case QImage::Format_RGBX64:
+    case QImage::Format_RGBA64:
+        return fmt;
+    default:
+        return QImage::Format_ARGB32;
+    }
+}
+
 int main(int argc, char ** argv)
 {
     QCoreApplication app(argc, argv);
@@ -168,19 +195,23 @@ int main(int argc, char ** argv)
                 << expImage.height() << "\n";
             ++failed;
         } else {
-            if (inputImage.format() != QImage::Format_ARGB32) {
+            QImage::Format inputFormat = preferredFormat(inputImage.format());
+            QImage::Format expFormat = preferredFormat(expImage.format());
+            QImage::Format cmpFormat = inputFormat == expFormat ? inputFormat : QImage::Format_ARGB32;
+
+            if (inputImage.format() != cmpFormat) {
                 QTextStream(stdout) << "INFO : " << fi.fileName()
                     << ": converting " << fi.fileName()
                     << " from " << formatToString(inputImage.format())
-                    << " to ARGB32\n";
+                    << " to " << formatToString(cmpFormat) << '\n';
-                inputImage = inputImage.convertToFormat(QImage::Format_ARGB32);
+                inputImage = inputImage.convertToFormat(cmpFormat);
             }
-            if (expImage.format() != QImage::Format_ARGB32) {
+            if (expImage.format() != cmpFormat) {
                 QTextStream(stdout) << "INFO : " << fi.fileName()
                     << ": converting " << expfilename
                     << " from " << formatToString(expImage.format())
-                    << " to ARGB32\n";
+                    << " to " << formatToString(cmpFormat) << '\n';
-                expImage = expImage.convertToFormat(QImage::Format_ARGB32);
+                expImage = expImage.convertToFormat(cmpFormat);
             }
             if (fuzzyeq(inputImage, expImage, fuzziness)) {
                 QTextStream(stdout) << "PASS : " << fi.fileName() << "\n";

src/imageformats/psd.cpp

@@ -87,7 +87,7 @@ static bool IsSupported(const PSDHeader &header)
     if (header.channel_count > 16) {
         return false;
     }
-    if (header.depth != 8) {
+    if (header.depth != 8 && header.depth != 16) {
         return false;
     }
     if (header.color_mode != CM_RGB) {
@@ -104,11 +104,13 @@ static void skip_section(QDataStream &s)
     s.skipRawData(section_length);
 }
 
-static quint8 readPixel(QDataStream &stream) {
+template <class Trait>
-    quint8 pixel;
+static Trait readPixel(QDataStream &stream) {
+    Trait pixel;
     stream >> pixel;
     return pixel;
 }
+
 static QRgb updateRed(QRgb oldPixel, quint8 redPixel) {
     return qRgba(redPixel, qGreen(oldPixel), qBlue(oldPixel), qAlpha(oldPixel));
 }
@@ -149,15 +151,18 @@ static bool LoadPSD(QDataStream &stream, const PSDHeader &header, QImage &img)
 
     quint32 channel_num = header.channel_count;
 
-    QImage::Format fmt = QImage::Format_RGB32;
+    QImage::Format fmt = header.depth == 8 ? QImage::Format_RGB32
+                                           : QImage::Format_RGBX64;
     // Clear the image.
     if (channel_num >= 4) {
         // Enable alpha.
-        fmt = QImage::Format_ARGB32;
+        fmt = header.depth == 8 ? QImage::Format_ARGB32
+                                : QImage::Format_RGBA64;
 
         // Ignore the other channels.
         channel_num = 4;
     }
+
     img = QImage(header.width, header.height, fmt);
     if (img.isNull()) {
         qWarning() << "Failed to allocate image, invalid dimensions?" << QSize(header.width, header.height);
@@ -166,9 +171,10 @@ static bool LoadPSD(QDataStream &stream, const PSDHeader &header, QImage &img)
     img.fill(qRgb(0,0,0));
 
     const quint32 pixel_count = header.height * header.width;
+    const quint32 channel_size = pixel_count * header.depth / 8;
 
     // Verify this, as this is used to write into the memory of the QImage
-    if (pixel_count > img.sizeInBytes() / sizeof(QRgb)) {
+    if (pixel_count > img.sizeInBytes() / (header.depth == 8 ? sizeof(QRgb) : sizeof(QRgba64))) {
         qWarning() << "Invalid pixel count!" << pixel_count << "bytes available:" << img.sizeInBytes();
         return false;
     }
@@ -186,6 +192,14 @@ static bool LoadPSD(QDataStream &stream, const PSDHeader &header, QImage &img)
         updateAlpha
     };
 
+    typedef QRgba64(*channelUpdater16)(QRgba64, quint16);
+    static const channelUpdater16 updaters64[4] = {
+        [](QRgba64 oldPixel, quint16 redPixel)  {return qRgba64((oldPixel & ~(0xFFFFull <<  0)) | (quint64(  redPixel) <<  0));},
+        [](QRgba64 oldPixel, quint16 greenPixel){return qRgba64((oldPixel & ~(0xFFFFull << 16)) | (quint64(greenPixel) << 16));},
+        [](QRgba64 oldPixel, quint16 bluePixel) {return qRgba64((oldPixel & ~(0xFFFFull << 32)) | (quint64( bluePixel) << 32));},
+        [](QRgba64 oldPixel, quint16 alphaPixel){return qRgba64((oldPixel & ~(0xFFFFull << 48)) | (quint64(alphaPixel) << 48));}
+    };
+
     if (compression) {
         // Skip row lengths.
         int skip_count = header.height * header.channel_count * sizeof(quint16);
@@ -194,9 +208,18 @@ static bool LoadPSD(QDataStream &stream, const PSDHeader &header, QImage &img)
         }
 
         for (unsigned short channel = 0; channel < channel_num; channel++) {
-            bool success = decodeRLEData(RLEVariant::PackBits, stream,
+            bool success = false;
-			                 image_data, pixel_count,
+            if (header.depth == 8) {
-					 &readPixel, updaters[channel]);
+                success = decodeRLEData(RLEVariant::PackBits, stream,
+                                         image_data, channel_size,
+                                         &readPixel<quint8>, updaters[channel]);
+            } else if (header.depth == 16) {
+                QRgba64 *image_data = reinterpret_cast<QRgba64*>(img.bits());
+                success = decodeRLEData(RLEVariant::PackBits16, stream,
+                                         image_data, channel_size,
+                                         &readPixel<quint8>, updaters64[channel]);
+            }
+
             if (!success) {
                 qDebug() << "decodeRLEData on channel" << channel << "failed";
                 return false;
@@ -204,8 +227,15 @@ static bool LoadPSD(QDataStream &stream, const PSDHeader &header, QImage &img)
         }
     } else {
         for (unsigned short channel = 0; channel < channel_num; channel++) {
-            for (unsigned i = 0; i < pixel_count; ++i) {
+            if (header.depth == 8) {
-                image_data[i] = updaters[channel](image_data[i], readPixel(stream));
+                for (unsigned i = 0; i < pixel_count; ++i) {
+                    image_data[i] = updaters[channel](image_data[i], readPixel<quint8>(stream));
+                }
+            } else if (header.depth == 16) {
+                QRgba64 *image_data = reinterpret_cast<QRgba64*>(img.bits());
+                for (unsigned i = 0; i < pixel_count; ++i) {
+                    image_data[i] = updaters64[channel](image_data[i], readPixel<quint16>(stream));
+                }
             }
             // make sure we didn't try to read past the end of the stream
             if (stream.status() != QDataStream::Ok) {

src/imageformats/rle_p.h

@@ -24,6 +24,11 @@ enum class RLEVariant {
      * of size 2, 130 of size 3, up to 255 of size 128.
      */
     PackBits,
+    /**
+     * Same as PackBits, but treat unpacked data as
+     * 16-bit integers.
+     */
+    PackBits16,
     /**
      * PIC-style RLE
      *
@@ -67,6 +72,8 @@ static inline bool decodeRLEData(RLEVariant variant,
                                  Func2 updateItem)
 {
     unsigned offset = 0; // in dest
+    bool is_msb = true; // only used for 16-bit PackBits, data is big-endian
+    quint16 temp_data = 0;
     while (offset < length) {
         unsigned remaining = length - offset;
         quint8 count1;
@@ -85,7 +92,7 @@ static inline bool decodeRLEData(RLEVariant variant,
                     // 2 to 128 repetitions
                     length = count1 - 127u;
                 }
-            } else if (variant == RLEVariant::PackBits) {
+            } else if (variant == RLEVariant::PackBits || variant == RLEVariant::PackBits16) {
                 if (count1 == 128u) {
                     // Ignore value 128
                     continue;
@@ -102,7 +109,18 @@ static inline bool decodeRLEData(RLEVariant variant,
             }
             auto datum = readData(stream);
             for (unsigned i = offset; i < offset + length; ++i) {
-                dest[i] = updateItem(dest[i], datum);
+                if (variant == RLEVariant::PackBits16) {
+                    if (is_msb) {
+                        temp_data = datum << 8;
+                        is_msb = false;
+                    } else {
+                        temp_data |= datum;
+                        dest[i >> 1] = updateItem(dest[i >> 1], temp_data);
+                        is_msb = true;
+                    }
+                } else {
+                    dest[i] = updateItem(dest[i], datum);
+                }
             }
             offset += length;
         } else {
@@ -114,7 +132,18 @@ static inline bool decodeRLEData(RLEVariant variant,
             }
             for (unsigned i = offset; i < offset + length; ++i) {
                 auto datum = readData(stream);
-                dest[i] = updateItem(dest[i], datum);
+                if (variant == RLEVariant::PackBits16) {
+                    if (is_msb) {
+                        temp_data = datum << 8;
+                        is_msb = false;
+                    } else {
+                        temp_data |= datum;
+                        dest[i >> 1] = updateItem(dest[i >> 1], temp_data);
+                        is_msb = true;
+                    }
+                } else {
+                    dest[i] = updateItem(dest[i], datum);
+                }
             }
             offset += length;
         }

tests/format-enum.h

@@ -7,56 +7,24 @@
 #ifndef FORMAT_ENUM_H
 #define FORMAT_ENUM_H
 
+#include <QMetaEnum>
 #include <QImage>
 
-// Generated from QImage::Format enum
-static const char * qimage_format_enum_names[] = {
-    "Invalid",
-    "Mono",
-    "MonoLSB",
-    "Indexed8",
-    "RGB32",
-    "ARGB32",
-    "ARGB32_Premultiplied",
-    "RGB16",
-    "ARGB8565_Premultiplied",
-    "RGB666",
-    "ARGB6666_Premultiplied",
-    "RGB555",
-    "ARGB8555_Premultiplied",
-    "RGB888",
-    "RGB444",
-    "ARGB4444_Premultiplied",
-    "RGBX8888",
-    "RGBA8888",
-    "RGBA8888_Premultiplied"
-};
-// Never claim there are more than QImage::NImageFormats supported formats.
-// This is future-proofing against the above list being extended.
-static const int qimage_format_enum_names_count =
-    (sizeof(qimage_format_enum_names) / sizeof(*qimage_format_enum_names) > int(QImage::NImageFormats))
-    ? int(QImage::NImageFormats)
-    : (sizeof(qimage_format_enum_names) / sizeof(*qimage_format_enum_names));
-
 QImage::Format formatFromString(const QString &str)
 {
-    for (int i = 0; i < qimage_format_enum_names_count; ++i) {
+    const QMetaEnum metaEnum = QMetaEnum::fromType<QImage::Format>();
-        if (str.compare(QLatin1String(qimage_format_enum_names[i]), Qt::CaseInsensitive) == 0) {
+    const QString enumString = QStringLiteral("Format_") + str;
-            return (QImage::Format)(i);
+
-        }
+    bool ok;
-    }
+    const int res = metaEnum.keyToValue(enumString.toLatin1().constData(), &ok);
-    return QImage::Format_Invalid;
+
+    return ok ? static_cast<QImage::Format>(res) : QImage::Format_Invalid;
 }
 
 QString formatToString(QImage::Format format)
 {
-    int index = int(format);
+    const QMetaEnum metaEnum = QMetaEnum::fromType<QImage::Format>();
-    if (index > 0 && index < qimage_format_enum_names_count) {
+    return QString::fromLatin1(metaEnum.valueToKey(format)).remove(QStringLiteral("Format_"));
-        return QLatin1String(qimage_format_enum_names[index]);
-    }
-    return QLatin1String("<unknown:") +
-        QString::number(index) +
-        QLatin1String(">");
 }
 
 #endif

tests/imagedump.cpp

@@ -67,8 +67,8 @@ int main(int argc, char **argv)
         QTextStream out(stdout);
         out << "QImage formats:\n";
         // skip QImage::Format_Invalid
-        for (int i = 1; i < qimage_format_enum_names_count; ++i) {
+        for (int i = 1; i < QImage::NImageFormats; ++i) {
-            out << "  " << qimage_format_enum_names[i] << '\n';
+            out << "  " << formatToString(static_cast<QImage::Format>(i)) << '\n';
         }
         return 0;
     }