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-rw-r--r--src/gui/image/qimage_conversions.cpp126
-rw-r--r--tests/auto/gui/image/qimage/tst_qimage.cpp210
2 files changed, 239 insertions, 97 deletions
diff --git a/src/gui/image/qimage_conversions.cpp b/src/gui/image/qimage_conversions.cpp
index e1be032215..74ad1127a9 100644
--- a/src/gui/image/qimage_conversions.cpp
+++ b/src/gui/image/qimage_conversions.cpp
@@ -425,25 +425,25 @@ static void convert_ARGB_to_RGBA(QImageData *dest, const QImageData *src, Qt::Im
}
}
+template<QImage::Format DestFormat>
static bool convert_ARGB_to_RGBA_inplace(QImageData *data, Qt::ImageConversionFlags)
{
Q_ASSERT(data->format == QImage::Format_ARGB32 || data->format == QImage::Format_ARGB32_Premultiplied);
const int pad = (data->bytes_per_line >> 2) - data->width;
quint32 *rgb_data = (quint32 *) data->data;
+ Q_CONSTEXPR uint mask = (DestFormat == QImage::Format_RGBX8888) ? 0xff000000 : 0;
for (int i = 0; i < data->height; ++i) {
const quint32 *end = rgb_data + data->width;
while (rgb_data < end) {
- *rgb_data = ARGB2RGBA(*rgb_data);
+ *rgb_data = ARGB2RGBA(*rgb_data | mask);
++rgb_data;
}
rgb_data += pad;
}
- if (data->format == QImage::Format_ARGB32)
- data->format = QImage::Format_RGBA8888;
- else
- data->format = QImage::Format_RGBA8888_Premultiplied;
+
+ data->format = DestFormat;
return true;
}
@@ -567,6 +567,7 @@ static inline uint qUnpremultiplyRgb30(uint rgb30)
return 0;
}
+template<bool rgbswap>
static void convert_A2RGB30_PM_to_RGB30(QImageData *dest, const QImageData *src, Qt::ImageConversionFlags)
{
Q_ASSERT(src->format == QImage::Format_A2RGB30_Premultiplied || src->format == QImage::Format_A2BGR30_Premultiplied);
@@ -582,7 +583,8 @@ static void convert_A2RGB30_PM_to_RGB30(QImageData *dest, const QImageData *src,
for (int i = 0; i < src->height; ++i) {
const quint32 *end = src_data + src->width;
while (src_data < end) {
- *dest_data = 0xc0000000 | qUnpremultiplyRgb30(*src_data);
+ const uint p = 0xc0000000 | qUnpremultiplyRgb30(*src_data);
+ *dest_data = (rgbswap) ? qRgbSwapRgb30(p) : p;
++src_data;
++dest_data;
}
@@ -591,6 +593,7 @@ static void convert_A2RGB30_PM_to_RGB30(QImageData *dest, const QImageData *src,
}
}
+template<bool rgbswap>
static bool convert_A2RGB30_PM_to_RGB30_inplace(QImageData *data, Qt::ImageConversionFlags)
{
Q_ASSERT(data->format == QImage::Format_A2RGB30_Premultiplied || data->format == QImage::Format_A2BGR30_Premultiplied);
@@ -601,16 +604,17 @@ static bool convert_A2RGB30_PM_to_RGB30_inplace(QImageData *data, Qt::ImageConve
for (int i = 0; i < data->height; ++i) {
const uint *end = rgb_data + data->width;
while (rgb_data < end) {
- *rgb_data = 0xc0000000 | qUnpremultiplyRgb30(*rgb_data);
+ const uint p = 0xc0000000 | qUnpremultiplyRgb30(*rgb_data);
+ *rgb_data = (rgbswap) ? qRgbSwapRgb30(p) : p;
++rgb_data;
}
rgb_data += pad;
}
if (data->format == QImage::Format_A2RGB30_Premultiplied)
- data->format = QImage::Format_RGB30;
+ data->format = (rgbswap) ? QImage::Format_BGR30 : QImage::Format_RGB30;
else
- data->format = QImage::Format_BGR30;
+ data->format = (rgbswap) ? QImage::Format_RGB30 : QImage::Format_BGR30;
return true;
}
@@ -678,6 +682,19 @@ static bool convert_BGR30_to_RGB30_inplace(QImageData *data, Qt::ImageConversion
return true;
}
+static bool convert_BGR30_to_A2RGB30_inplace(QImageData *data, Qt::ImageConversionFlags flags)
+{
+ Q_ASSERT(data->format == QImage::Format_RGB30 || data->format == QImage::Format_BGR30);
+ if (!convert_BGR30_to_RGB30_inplace(data, flags))
+ return false;
+
+ if (data->format == QImage::Format_RGB30)
+ data->format = QImage::Format_A2RGB30_Premultiplied;
+ else
+ data->format = QImage::Format_A2BGR30_Premultiplied;
+ return true;
+}
+
static bool convert_indexed8_to_ARGB_PM_inplace(QImageData *data, Qt::ImageConversionFlags)
{
Q_ASSERT(data->format == QImage::Format_Indexed8);
@@ -732,7 +749,7 @@ static bool convert_indexed8_to_ARGB_PM_inplace(QImageData *data, Qt::ImageConve
return true;
}
-static bool convert_indexed8_to_RGB_inplace(QImageData *data, Qt::ImageConversionFlags)
+static bool convert_indexed8_to_ARGB_inplace(QImageData *data, Qt::ImageConversionFlags)
{
Q_ASSERT(data->format == QImage::Format_Indexed8);
if (!data->own_data)
@@ -775,7 +792,7 @@ static bool convert_indexed8_to_RGB_inplace(QImageData *data, Qt::ImageConversio
}
data->colortable = QVector<QRgb>();
- data->format = QImage::Format_RGB32;
+ data->format = QImage::Format_ARGB32;
data->bytes_per_line = dst_bytes_per_line;
data->depth = depth;
data->nbytes = nbytes;
@@ -783,6 +800,24 @@ static bool convert_indexed8_to_RGB_inplace(QImageData *data, Qt::ImageConversio
return true;
}
+static bool convert_indexed8_to_RGB_inplace(QImageData *data, Qt::ImageConversionFlags flags)
+{
+ Q_ASSERT(data->format == QImage::Format_Indexed8);
+ if (!data->own_data)
+ return false;
+
+ if (data->has_alpha_clut) {
+ for (int i = 0; i < data->colortable.size(); ++i)
+ data->colortable[i] |= 0xff000000;
+ }
+
+ if (!convert_indexed8_to_ARGB_inplace(data, flags))
+ return false;
+
+ data->format = QImage::Format_RGB32;
+ return true;
+}
+
static bool convert_indexed8_to_RGB16_inplace(QImageData *data, Qt::ImageConversionFlags)
{
Q_ASSERT(data->format == QImage::Format_Indexed8);
@@ -965,8 +1000,9 @@ static void mask_alpha_converter(QImageData *dest, const QImageData *src, Qt::Im
template<QImage::Format DestFormat>
static bool mask_alpha_converter_inplace(QImageData *data, Qt::ImageConversionFlags)
{
- Q_ASSERT(data->format == QImage::Format_RGB32 || DestFormat == QImage::Format_RGB32);
-
+ Q_ASSERT(data->format == QImage::Format_RGB32
+ || DestFormat == QImage::Format_RGB32
+ || DestFormat == QImage::Format_RGBX8888);
const int pad = (data->bytes_per_line >> 2) - data->width;
QRgb *rgb_data = (QRgb *) data->data;
@@ -1009,6 +1045,29 @@ static void mask_alpha_converter_RGBx(QImageData *dest, const QImageData *src, Q
#endif
}
+static bool mask_alpha_converter_rgbx_inplace(QImageData *data, Qt::ImageConversionFlags flags)
+{
+#if Q_BYTE_ORDER == Q_LITTLE_ENDIAN
+ return mask_alpha_converter_inplace<QImage::Format_RGBX8888>(data, flags);
+#else
+ Q_UNUSED(flags);
+
+ const int pad = (data->bytes_per_line >> 2) - data->width;
+ QRgb *rgb_data = (QRgb *) data->data;
+
+ for (int i = 0; i < data->height; ++i) {
+ const QRgb *end = rgb_data + data->width;
+ while (rgb_data < end) {
+ *rgb_data = *rgb_data | 0x000000fff;
+ ++rgb_data;
+ }
+ rgb_data += pad;
+ }
+ data->format = DestFormat;
+ return true;
+#endif
+}
+
static QVector<QRgb> fix_color_table(const QVector<QRgb> &ctbl, QImage::Format format)
{
QVector<QRgb> colorTable = ctbl;
@@ -2323,9 +2382,9 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
0,
0,
0,
- convert_A2RGB30_PM_to_RGB30,
- 0,
+ convert_A2RGB30_PM_to_RGB30<false>,
0,
+ convert_A2RGB30_PM_to_RGB30<true>,
convert_BGR30_to_RGB30,
0, 0
}, // Format_BGR30A2_Premultiplied
@@ -2375,12 +2434,11 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
0,
0,
0,
- 0,
+ convert_A2RGB30_PM_to_RGB30<true>,
convert_BGR30_to_RGB30,
- convert_A2RGB30_PM_to_RGB30,
- 0,
- 0,
+ convert_A2RGB30_PM_to_RGB30<false>,
0,
+ 0, 0
}, // Format_RGB30A2_Premultiplied
{
0,
@@ -2440,8 +2498,8 @@ InPlace_Image_Converter qimage_inplace_converter_map[QImage::NImageFormats][QIma
0,
0,
0,
- 0,
convert_indexed8_to_RGB_inplace,
+ convert_indexed8_to_ARGB_inplace,
convert_indexed8_to_ARGB_PM_inplace,
convert_indexed8_to_RGB16_inplace,
0,
@@ -2501,8 +2559,8 @@ InPlace_Image_Converter qimage_inplace_converter_map[QImage::NImageFormats][QIma
0,
0,
0,
- 0,
- convert_ARGB_to_RGBA_inplace,
+ convert_ARGB_to_RGBA_inplace<QImage::Format_RGBX8888>,
+ convert_ARGB_to_RGBA_inplace<QImage::Format_RGBA8888>,
0,
0, 0, 0, 0, 0, 0
}, // Format_ARGB32
@@ -2525,7 +2583,7 @@ InPlace_Image_Converter qimage_inplace_converter_map[QImage::NImageFormats][QIma
0,
0,
0,
- convert_ARGB_to_RGBA_inplace,
+ convert_ARGB_to_RGBA_inplace<QImage::Format_RGBA8888_Premultiplied>,
0, 0, 0, 0, 0, 0
}, // Format_ARGB32_Premultiplied
{
@@ -2594,7 +2652,7 @@ InPlace_Image_Converter qimage_inplace_converter_map[QImage::NImageFormats][QIma
0,
0,
0,
- 0,
+ mask_alpha_converter_rgbx_inplace,
#if Q_BYTE_ORDER == Q_LITTLE_ENDIAN && __SSE2__
0,
convert_ARGB_to_ARGB_PM_inplace_sse2,
@@ -2646,10 +2704,10 @@ InPlace_Image_Converter qimage_inplace_converter_map[QImage::NImageFormats][QIma
0,
0,
0,
- 0,
+ 0, // self
convert_passthrough_inplace<QImage::Format_A2BGR30_Premultiplied>,
convert_BGR30_to_RGB30_inplace,
- convert_BGR30_to_RGB30_inplace,
+ convert_BGR30_to_A2RGB30_inplace,
0, 0
}, // Format_BGR30
{
@@ -2672,9 +2730,9 @@ InPlace_Image_Converter qimage_inplace_converter_map[QImage::NImageFormats][QIma
0,
0,
0,
- convert_A2RGB30_PM_to_RGB30_inplace,
- 0,
- 0,
+ convert_A2RGB30_PM_to_RGB30_inplace<false>,
+ 0, // self
+ convert_A2RGB30_PM_to_RGB30_inplace<true>,
convert_BGR30_to_RGB30_inplace,
0, 0
}, // Format_BGR30A2_Premultiplied
@@ -2699,8 +2757,8 @@ InPlace_Image_Converter qimage_inplace_converter_map[QImage::NImageFormats][QIma
0,
0,
convert_BGR30_to_RGB30_inplace,
- convert_BGR30_to_RGB30_inplace,
- 0,
+ convert_BGR30_to_A2RGB30_inplace,
+ 0, // self
convert_passthrough_inplace<QImage::Format_A2RGB30_Premultiplied>,
0, 0
}, // Format_RGB30
@@ -2724,10 +2782,10 @@ InPlace_Image_Converter qimage_inplace_converter_map[QImage::NImageFormats][QIma
0,
0,
0,
- 0,
+ convert_A2RGB30_PM_to_RGB30_inplace<true>,
convert_BGR30_to_RGB30_inplace,
- convert_A2RGB30_PM_to_RGB30_inplace,
- 0,
+ convert_A2RGB30_PM_to_RGB30_inplace<false>,
+ 0, // self
0, 0
}, // Format_RGB30A2_Premultiplied
{
diff --git a/tests/auto/gui/image/qimage/tst_qimage.cpp b/tests/auto/gui/image/qimage/tst_qimage.cpp
index 266230de38..fa2aae6658 100644
--- a/tests/auto/gui/image/qimage/tst_qimage.cpp
+++ b/tests/auto/gui/image/qimage/tst_qimage.cpp
@@ -41,6 +41,7 @@
#include <stdio.h>
#include <qpainter.h>
+#include <private/qimage_p.h>
#include <private/qdrawhelper_p.h>
Q_DECLARE_METATYPE(QImage::Format)
@@ -160,8 +161,11 @@ private slots:
void inplaceRgbMirrored();
- void inplaceConversion_data();
- void inplaceConversion();
+ void genericRgbConversion_data();
+ void genericRgbConversion();
+
+ void inplaceRgbConversion_data();
+ void inplaceRgbConversion();
void deepCopyWhenPaintingActive();
void scaled_QTBUG19157();
@@ -191,6 +195,67 @@ private:
const QString m_prefix;
};
+static QString formatToString(QImage::Format format)
+{
+ switch (format) {
+ case QImage::Format_Invalid:
+ return QStringLiteral("Invalid");
+ case QImage::Format_Mono:
+ return QStringLiteral("Mono");
+ case QImage::Format_MonoLSB:
+ return QStringLiteral("MonoLSB");
+ case QImage::Format_Indexed8:
+ return QStringLiteral("Indexed8");
+ case QImage::Format_RGB32:
+ return QStringLiteral("RGB32");
+ case QImage::Format_ARGB32:
+ return QStringLiteral("ARGB32");
+ case QImage::Format_ARGB32_Premultiplied:
+ return QStringLiteral("ARGB32pm");
+ case QImage::Format_RGB16:
+ return QStringLiteral("RGB16");
+ case QImage::Format_ARGB8565_Premultiplied:
+ return QStringLiteral("ARGB8565pm");
+ case QImage::Format_RGB666:
+ return QStringLiteral("RGB666");
+ case QImage::Format_ARGB6666_Premultiplied:
+ return QStringLiteral("ARGB6666pm");
+ case QImage::Format_RGB555:
+ return QStringLiteral("RGB555");
+ case QImage::Format_ARGB8555_Premultiplied:
+ return QStringLiteral("ARGB8555pm");
+ case QImage::Format_RGB888:
+ return QStringLiteral("RGB888");
+ case QImage::Format_RGB444:
+ return QStringLiteral("RGB444");
+ case QImage::Format_ARGB4444_Premultiplied:
+ return QStringLiteral("ARGB4444pm");
+ case QImage::Format_RGBX8888:
+ return QStringLiteral("RGBx88888");
+ case QImage::Format_RGBA8888:
+ return QStringLiteral("RGBA88888");
+ case QImage::Format_RGBA8888_Premultiplied:
+ return QStringLiteral("RGBA88888pm");
+ case QImage::Format_BGR30:
+ return QStringLiteral("BGR30");
+ case QImage::Format_A2BGR30_Premultiplied:
+ return QStringLiteral("A2BGR30pm");
+ case QImage::Format_RGB30:
+ return QStringLiteral("RGB30");
+ case QImage::Format_A2RGB30_Premultiplied:
+ return QStringLiteral("A2RGB30pm");
+ case QImage::Format_Alpha8:
+ return QStringLiteral("Alpha8");
+ case QImage::Format_Grayscale8:
+ return QStringLiteral("Grayscale8");
+ default:
+ break;
+ };
+ Q_UNREACHABLE();
+ qWarning("Unhandled image format");
+ return QStringLiteral("unknown");
+}
+
tst_QImage::tst_QImage()
: m_prefix(QFINDTESTDATA("images/"))
{
@@ -2162,23 +2227,9 @@ void tst_QImage::rgbSwapped_data()
{
QTest::addColumn<QImage::Format>("format");
- QTest::newRow("Format_Indexed8") << QImage::Format_Indexed8;
- QTest::newRow("Format_RGB32") << QImage::Format_RGB32;
- QTest::newRow("Format_ARGB32") << QImage::Format_ARGB32;
- QTest::newRow("Format_ARGB32_Premultiplied") << QImage::Format_ARGB32_Premultiplied;
- QTest::newRow("Format_RGB16") << QImage::Format_RGB16;
- QTest::newRow("Format_ARGB8565_Premultiplied") << QImage::Format_ARGB8565_Premultiplied;
- QTest::newRow("Format_ARGB6666_Premultiplied") << QImage::Format_ARGB6666_Premultiplied;
- QTest::newRow("Format_ARGB4444_Premultiplied") << QImage::Format_ARGB4444_Premultiplied;
- QTest::newRow("Format_RGB666") << QImage::Format_RGB666;
- QTest::newRow("Format_RGB555") << QImage::Format_RGB555;
- QTest::newRow("Format_ARGB8555_Premultiplied") << QImage::Format_ARGB8555_Premultiplied;
- QTest::newRow("Format_RGB888") << QImage::Format_RGB888;
- QTest::newRow("Format_RGB444") << QImage::Format_RGB444;
- QTest::newRow("Format_RGBX8888") << QImage::Format_RGBX8888;
- QTest::newRow("Format_RGBA8888_Premultiplied") << QImage::Format_RGBA8888_Premultiplied;
- QTest::newRow("Format_A2BGR30_Premultiplied") << QImage::Format_A2BGR30_Premultiplied;
- QTest::newRow("Format_RGB30") << QImage::Format_RGB30;
+ for (int i = QImage::Format_Indexed8; i < QImage::Format_Alpha8; ++i) {
+ QTest::newRow(qPrintable(formatToString(QImage::Format(i)))) << QImage::Format(i);
+ }
}
void tst_QImage::rgbSwapped()
@@ -2398,23 +2449,18 @@ void tst_QImage::inplaceMirrored_data()
QTest::addColumn<bool>("swap_vertical");
QTest::addColumn<bool>("swap_horizontal");
- QTest::newRow("Format_ARGB32, vertical") << QImage::Format_ARGB32 << true << false;
- QTest::newRow("Format_RGB888, vertical") << QImage::Format_RGB888 << true << false;
- QTest::newRow("Format_RGB16, vertical") << QImage::Format_RGB16 << true << false;
- QTest::newRow("Format_Indexed8, vertical") << QImage::Format_Indexed8 << true << false;
- QTest::newRow("Format_Mono, vertical") << QImage::Format_Mono << true << false;
-
- QTest::newRow("Format_ARGB32, horizontal") << QImage::Format_ARGB32 << false << true;
- QTest::newRow("Format_RGB888, horizontal") << QImage::Format_RGB888 << false << true;
- QTest::newRow("Format_RGB16, horizontal") << QImage::Format_RGB16 << false << true;
- QTest::newRow("Format_Indexed8, horizontal") << QImage::Format_Indexed8 << false << true;
- QTest::newRow("Format_Mono, horizontal") << QImage::Format_Mono << false << true;
-
- QTest::newRow("Format_ARGB32, horizontal+vertical") << QImage::Format_ARGB32 << true << true;
- QTest::newRow("Format_RGB888, horizontal+vertical") << QImage::Format_RGB888 << true << true;
- QTest::newRow("Format_RGB16, horizontal+vertical") << QImage::Format_RGB16 << true << true;
- QTest::newRow("Format_Indexed8, horizontal+vertical") << QImage::Format_Indexed8 << true << true;
- QTest::newRow("Format_Mono, horizontal+vertical") << QImage::Format_Mono << true << true;
+ for (int i = QImage::Format_Mono; i < QImage::NImageFormats; ++i) {
+ if (i == QImage::Format_Alpha8 || i == QImage::Format_Grayscale8)
+ continue;
+ if (i == QImage::Format_RGB444 || i == QImage::Format_ARGB4444_Premultiplied)
+ continue;
+ QTest::newRow(qPrintable(formatToString(QImage::Format(i)) + QStringLiteral(", vertical")))
+ << QImage::Format(i) << true << false;
+ QTest::newRow(qPrintable(formatToString(QImage::Format(i)) + QStringLiteral(", horizontal")))
+ << QImage::Format(i) << false << true;
+ QTest::newRow(qPrintable(formatToString(QImage::Format(i)) + QStringLiteral(", horizontal+vertical")))
+ << QImage::Format(i) << true << true;
+ }
}
void tst_QImage::inplaceMirrored()
@@ -2428,6 +2474,7 @@ void tst_QImage::inplaceMirrored()
switch (format) {
case QImage::Format_Mono:
+ case QImage::Format_MonoLSB:
for (int i = 0; i < image.height(); ++i) {
ushort* scanLine = (ushort*)image.scanLine(i);
*scanLine = (i % 2) ? 0x0fffU : 0xf000U;
@@ -2450,7 +2497,7 @@ void tst_QImage::inplaceMirrored()
const uchar* originalPtr = image.constScanLine(0);
QImage imageMirrored = std::move(image).mirrored(swap_horizontal, swap_vertical);
- if (format != QImage::Format_Mono) {
+ if (format != QImage::Format_Mono && format != QImage::Format_MonoLSB) {
for (int i = 0; i < imageMirrored.height(); ++i) {
int mirroredI = swap_vertical ? (imageMirrored.height() - i - 1) : i;
for (int j = 0; j < imageMirrored.width(); ++j) {
@@ -2540,23 +2587,60 @@ void tst_QImage::inplaceRgbMirrored()
#endif
}
-void tst_QImage::inplaceConversion_data()
+void tst_QImage::genericRgbConversion_data()
{
QTest::addColumn<QImage::Format>("format");
QTest::addColumn<QImage::Format>("dest_format");
- QTest::newRow("Format_RGB32 -> RGB16") << QImage::Format_RGB32 << QImage::Format_RGB16;
- QTest::newRow("Format_ARGB32 -> Format_RGBA8888") << QImage::Format_ARGB32 << QImage::Format_RGBA8888;
- QTest::newRow("Format_RGB888 -> Format_ARGB6666_Premultiplied") << QImage::Format_RGB888 << QImage::Format_ARGB6666_Premultiplied;
- QTest::newRow("Format_RGB16 -> Format_RGB555") << QImage::Format_RGB16 << QImage::Format_RGB555;
- QTest::newRow("Format_RGB666 -> Format_RGB888") << QImage::Format_RGB666 << QImage::Format_RGB888;
- QTest::newRow("Format_ARGB8565_Premultiplied, Format_ARGB8555_Premultiplied") << QImage::Format_ARGB8565_Premultiplied << QImage::Format_ARGB8555_Premultiplied;
- QTest::newRow("Format_ARGB4444_Premultiplied, Format_RGB444") << QImage::Format_ARGB4444_Premultiplied << QImage::Format_RGB444;
- QTest::newRow("Format_RGBA8888 -> RGB16") << QImage::Format_RGBA8888 << QImage::Format_RGB16;
- QTest::newRow("Format_RGBA8888_Premultiplied -> RGB16") << QImage::Format_RGBA8888_Premultiplied << QImage::Format_RGB16;
+ for (int i = QImage::Format_RGB32; i < QImage::Format_Alpha8; ++i) {
+ for (int j = QImage::Format_RGB32; j < QImage::Format_Alpha8; ++j) {
+ if (i == j)
+ continue;
+ QString test = QString::fromLatin1("%1 -> %2").arg(formatToString(QImage::Format(i))).arg(formatToString(QImage::Format(j)));
+ QTest::newRow(qPrintable(test)) << QImage::Format(i) << QImage::Format(j);
+ }
+ }
}
-void tst_QImage::inplaceConversion()
+void tst_QImage::genericRgbConversion()
+{
+ // Test that all RGB conversions work and maintain at least 4bit of color accuracy.
+ QFETCH(QImage::Format, format);
+ QFETCH(QImage::Format, dest_format);
+
+ QImage image(16, 16, format);
+
+ for (int i = 0; i < image.height(); ++i)
+ for (int j = 0; j < image.width(); ++j)
+ image.setPixel(j, i, qRgb(j*16, i*16, 0));
+
+ QImage imageConverted = image.convertToFormat(dest_format);
+ QCOMPARE(imageConverted.format(), dest_format);
+ for (int i = 0; i < imageConverted.height(); ++i) {
+ for (int j = 0; j < imageConverted.width(); ++j) {
+ QRgb convertedColor = imageConverted.pixel(j,i);
+ QCOMPARE(qRed(convertedColor) & 0xF0, j * 16);
+ QCOMPARE(qGreen(convertedColor) & 0xF0, i * 16);
+ }
+ }
+}
+
+void tst_QImage::inplaceRgbConversion_data()
+{
+ QTest::addColumn<QImage::Format>("format");
+ QTest::addColumn<QImage::Format>("dest_format");
+
+ for (int i = QImage::Format_RGB32; i < QImage::Format_Alpha8; ++i) {
+ for (int j = QImage::Format_RGB32; j < QImage::Format_Alpha8; ++j) {
+ if (i == j)
+ continue;
+ QString test = QString::fromLatin1("%1 -> %2").arg(formatToString(QImage::Format(i))).arg(formatToString(QImage::Format(j)));
+ QTest::newRow(qPrintable(test)) << QImage::Format(i) << QImage::Format(j);
+ }
+ }
+}
+
+void tst_QImage::inplaceRgbConversion()
{
// Test that conversions between RGB formats of the same bitwidth can be done inplace.
#if defined(Q_COMPILER_REF_QUALIFIERS)
@@ -2580,13 +2664,22 @@ void tst_QImage::inplaceConversion()
QCOMPARE(qGreen(convertedColor) & 0xF0, i * 16);
}
}
- if (image.depth() == imageConverted.depth())
+ bool expectInplace = image.depth() == imageConverted.depth();
+ // RGB30 <-> RGB32 have a few direct conversions without inplace counterparts.
+ if (format >= QImage::Format_BGR30 && format <= QImage::Format_A2RGB30_Premultiplied
+ && dest_format >= QImage::Format_RGB32 && dest_format <= QImage::Format_ARGB32_Premultiplied)
+ expectInplace = false;
+ if (dest_format >= QImage::Format_BGR30 && dest_format <= QImage::Format_A2RGB30_Premultiplied
+ && format >= QImage::Format_RGB32 && format <= QImage::Format_ARGB32_Premultiplied)
+ expectInplace = false;
+
+ if (expectInplace)
QCOMPARE(imageConverted.constScanLine(0), originalPtr);
{
// Test attempted inplace conversion of images created on existing buffer
- static const quint32 readOnlyData[] = { 0x00010203U, 0x04050607U, 0x08091011U, 0x12131415U };
- quint32 readWriteData[] = { 0x00010203U, 0x04050607U, 0x08091011U, 0x12131415U };
+ static const quint32 readOnlyData[] = { 0xff0102ffU, 0xff0506ffU, 0xff0910ffU, 0xff1314ffU };
+ quint32 readWriteData[] = { 0xff0102ffU, 0xff0506ffU, 0xff0910ffU, 0xff1314ffU };
QImage roImage((const uchar *)readOnlyData, 2, 2, format);
QImage roInplaceConverted = std::move(roImage).convertToFormat(dest_format);
@@ -2708,18 +2801,9 @@ void tst_QImage::invertPixelsRGB_data()
{
QTest::addColumn<QImage::Format>("image_format");
- QTest::newRow("invertPixels RGB16") << QImage::Format_RGB16;
- QTest::newRow("invertPixels RGB32") << QImage::Format_RGB32;
- QTest::newRow("invertPixels BGR30") << QImage::Format_BGR30;
- QTest::newRow("invertPixels RGB444") << QImage::Format_RGB444;
- QTest::newRow("invertPixels RGB555") << QImage::Format_RGB555;
- QTest::newRow("invertPixels RGB888") << QImage::Format_RGB888;
-
- QTest::newRow("invertPixels ARGB32") << QImage::Format_ARGB32;
- QTest::newRow("invertPixels ARGB32pm") << QImage::Format_ARGB32_Premultiplied;
- QTest::newRow("invertPixels RGBA8888") << QImage::Format_RGBA8888;
- QTest::newRow("invertPixels RGBA8888pm") << QImage::Format_RGBA8888_Premultiplied;
- QTest::newRow("invertPixels RGBA4444pm") << QImage::Format_ARGB4444_Premultiplied;
+ for (int i = QImage::Format_RGB32; i < QImage::Format_Alpha8; ++i) {
+ QTest::newRow(qPrintable(formatToString(QImage::Format(i)))) << QImage::Format(i);
+ }
}
void tst_QImage::invertPixelsRGB()