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-rw-r--r--src/gui/image/qimage_conversions.cpp333
1 files changed, 292 insertions, 41 deletions
diff --git a/src/gui/image/qimage_conversions.cpp b/src/gui/image/qimage_conversions.cpp
index 858a0d9f21..2e8fc1963d 100644
--- a/src/gui/image/qimage_conversions.cpp
+++ b/src/gui/image/qimage_conversions.cpp
@@ -1861,11 +1861,154 @@ static void convert_Mono_to_Indexed8(QImageData *dest, const QImageData *src, Qt
}
}
+static void convert_Indexed8_to_Alpha8(QImageData *dest, const QImageData *src, Qt::ImageConversionFlags)
+{
+ Q_ASSERT(src->format == QImage::Format_Indexed8);
+ Q_ASSERT(dest->format == QImage::Format_Alpha8);
+
+ uchar translate[256];
+ const QVector<QRgb> &colors = src->colortable;
+ bool simpleCase = (colors.size() == 256);
+ for (int i = 0; i < colors.size(); ++i) {
+ uchar alpha = qAlpha(colors[i]);
+ translate[i] = alpha;
+ simpleCase = simpleCase && (alpha == i);
+ }
+
+ if (simpleCase)
+ memcpy(dest->data, src->data, src->bytes_per_line * src->height);
+ else {
+ int size = src->bytes_per_line * src->height;
+ for (int i = 0; i < size; ++i) {
+ dest->data[i] = translate[src->data[i]];
+ }
+ }
+}
+
+static void convert_Indexed8_to_Grayscale8(QImageData *dest, const QImageData *src, Qt::ImageConversionFlags)
+{
+ Q_ASSERT(src->format == QImage::Format_Indexed8);
+ Q_ASSERT(dest->format == QImage::Format_Grayscale8);
+
+ uchar translate[256];
+ const QVector<QRgb> &colors = src->colortable;
+ bool simpleCase = (colors.size() == 256);
+ for (int i = 0; i < colors.size(); ++i) {
+ uchar gray = qGray(colors[i]);
+ translate[i] = gray;
+ simpleCase = simpleCase && (gray == i);
+ }
+
+ if (simpleCase)
+ memcpy(dest->data, src->data, src->bytes_per_line * src->height);
+ else {
+ int size = src->bytes_per_line * src->height;
+ for (int i = 0; i < size; ++i) {
+ dest->data[i] = translate[src->data[i]];
+ }
+ }
+}
+
+static bool convert_Indexed8_to_Alpha8_inplace(QImageData *data, Qt::ImageConversionFlags)
+{
+ Q_ASSERT(data->format == QImage::Format_Indexed8);
+
+ // Just check if this is an Alpha8 in Indexed8 disguise.
+ const QVector<QRgb> &colors = data->colortable;
+ if (colors.size() != 256)
+ return false;
+ for (int i = 0; i < colors.size(); ++i) {
+ if (i != qAlpha(colors[i]))
+ return false;
+ }
+
+ data->colortable.clear();
+ data->format = QImage::Format_Alpha8;
+
+ return true;
+}
+
+static bool convert_Indexed8_to_Grayscale8_inplace(QImageData *data, Qt::ImageConversionFlags)
+{
+ Q_ASSERT(data->format == QImage::Format_Indexed8);
+
+ // Just check if this is a Grayscale8 in Indexed8 disguise.
+ const QVector<QRgb> &colors = data->colortable;
+ if (colors.size() != 256)
+ return false;
+ for (int i = 0; i < colors.size(); ++i) {
+ if (i != qGray(colors[i]))
+ return false;
+ }
+
+ data->colortable.clear();
+ data->format = QImage::Format_Grayscale8;
+
+ return true;
+}
+
+static void convert_Alpha8_to_Indexed8(QImageData *dest, const QImageData *src, Qt::ImageConversionFlags)
+{
+ Q_ASSERT(src->format == QImage::Format_Alpha8);
+ Q_ASSERT(dest->format == QImage::Format_Indexed8);
+
+ memcpy(dest->data, src->data, src->bytes_per_line * src->height);
+
+ QVector<QRgb> colors(256);
+ for (int i=0; i<256; ++i)
+ colors[i] = qRgba(0, 0, 0, i);
+
+ dest->colortable = colors;
+}
+
+static void convert_Grayscale8_to_Indexed8(QImageData *dest, const QImageData *src, Qt::ImageConversionFlags)
+{
+ Q_ASSERT(src->format == QImage::Format_Grayscale8);
+ Q_ASSERT(dest->format == QImage::Format_Indexed8);
+
+ memcpy(dest->data, src->data, src->bytes_per_line * src->height);
+
+ QVector<QRgb> colors(256);
+ for (int i=0; i<256; ++i)
+ colors[i] = qRgb(i, i, i);
+
+ dest->colortable = colors;
+}
+
+static bool convert_Alpha8_to_Indexed8_inplace(QImageData *data, Qt::ImageConversionFlags)
+{
+ Q_ASSERT(data->format == QImage::Format_Alpha8);
+
+ QVector<QRgb> colors(256);
+ for (int i=0; i<256; ++i)
+ colors[i] = qRgba(0, 0, 0, i);
+
+ data->colortable = colors;
+ data->format = QImage::Format_Indexed8;
+
+ return true;
+}
+
+static bool convert_Grayscale8_to_Indexed8_inplace(QImageData *data, Qt::ImageConversionFlags)
+{
+ Q_ASSERT(data->format == QImage::Format_Grayscale8);
+
+ QVector<QRgb> colors(256);
+ for (int i=0; i<256; ++i)
+ colors[i] = qRgb(i, i, i);
+
+ data->colortable = colors;
+ data->format = QImage::Format_Indexed8;
+
+ return true;
+}
+
+
// first index source, second dest
Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormats] =
{
{
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
},
{
0,
@@ -1886,7 +2029,7 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
0,
0,
0,
- 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0
}, // Format_Mono
{
@@ -1908,7 +2051,7 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
0,
0,
0,
- 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0
}, // Format_MonoLSB
{
@@ -1930,7 +2073,9 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
0,
0,
0,
- 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0,
+ convert_Indexed8_to_Alpha8,
+ convert_Indexed8_to_Grayscale8,
}, // Format_Indexed8
{
@@ -1957,6 +2102,7 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
convert_RGB_to_RGB30<PixelOrderBGR>,
convert_RGB_to_RGB30<PixelOrderRGB>,
convert_RGB_to_RGB30<PixelOrderRGB>,
+ 0, 0
}, // Format_RGB32
{
@@ -1983,6 +2129,7 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
0,
convert_RGB_to_RGB30<PixelOrderRGB>,
0,
+ 0, 0
}, // Format_ARGB32
{
@@ -2009,6 +2156,7 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
convert_ARGB_to_A2RGB30<PixelOrderBGR>,
convert_ARGB_PM_to_RGB30<PixelOrderRGB>,
convert_ARGB_to_A2RGB30<PixelOrderRGB>,
+ 0, 0
}, // Format_ARGB32_Premultiplied
{
@@ -2030,7 +2178,7 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
0,
0,
0,
- 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0
}, // Format_RGB16
{
@@ -2052,7 +2200,7 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
0,
0,
0,
- 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0
}, // Format_ARGB8565_Premultiplied
{
@@ -2074,7 +2222,7 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
0,
0,
0,
- 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0
}, // Format_RGB666
{
@@ -2096,7 +2244,7 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
0,
0,
0,
- 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0
}, // Format_ARGB6666_Premultiplied
{
@@ -2118,7 +2266,7 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
0,
0,
0,
- 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0
}, // Format_RGB555
{
@@ -2140,7 +2288,7 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
0,
0,
0,
- 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0
}, // Format_ARGB8555_Premultiplied
{
@@ -2162,7 +2310,7 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
0,
0,
0,
- 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0
}, // Format_RGB888
{
@@ -2184,7 +2332,7 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
0,
0,
0,
- 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0
}, // Format_RGB444
{
@@ -2205,7 +2353,7 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
0,
0,
0,
- 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0
}, // Format_ARGB4444_Premultiplied
{
0,
@@ -2227,7 +2375,7 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
0,
mask_alpha_converter_RGBx,
mask_alpha_converter_RGBx,
- 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0
}, // Format_RGBX8888
{
0,
@@ -2254,7 +2402,7 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
0,
0,
#endif
- 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0
}, // Format_RGBA8888
{
@@ -2283,7 +2431,7 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
0,
0,
#endif
- 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0
}, // Format_RGBA8888_Premultiplied
{
@@ -2309,7 +2457,8 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
0,
convert_passthrough,
convert_BGR30_to_RGB30,
- convert_BGR30_to_RGB30
+ convert_BGR30_to_RGB30,
+ 0, 0
}, // Format_BGR30
{
0,
@@ -2334,7 +2483,8 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
convert_A2RGB30_PM_to_RGB30,
0,
0,
- convert_BGR30_to_RGB30
+ convert_BGR30_to_RGB30,
+ 0, 0
}, // Format_BGR30A2_Premultiplied
{
0,
@@ -2360,6 +2510,7 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
0,
0,
convert_passthrough,
+ 0, 0
}, // Format_RGB30
{
0,
@@ -2385,19 +2536,61 @@ Image_Converter qimage_converter_map[QImage::NImageFormats][QImage::NImageFormat
convert_BGR30_to_RGB30,
convert_A2RGB30_PM_to_RGB30,
0,
+ 0,
+ 0,
}, // Format_RGB30A2_Premultiplied
+ {
+ 0,
+ 0,
+ 0,
+ convert_Alpha8_to_Indexed8,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0, 0, 0, 0, 0, 0, 0
+ }, // Format_Alpha8
+ {
+ 0,
+ 0,
+ 0,
+ convert_Grayscale8_to_Indexed8,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0, 0, 0, 0, 0, 0, 0
+ } // Format_Grayscale8
};
InPlace_Image_Converter qimage_inplace_converter_map[QImage::NImageFormats][QImage::NImageFormats] =
{
{
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
},
{
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}, // Format_Mono
{
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}, // Format_MonoLSB
{
0,
@@ -2418,7 +2611,9 @@ InPlace_Image_Converter qimage_inplace_converter_map[QImage::NImageFormats][QIma
0,
0,
0,
- 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0,
+ convert_Indexed8_to_Alpha8_inplace,
+ convert_Indexed8_to_Grayscale8_inplace,
}, // Format_Indexed8
{
0,
@@ -2439,7 +2634,7 @@ InPlace_Image_Converter qimage_inplace_converter_map[QImage::NImageFormats][QIma
0,
0,
0,
- 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0
}, // Format_RGB32
{
0,
@@ -2464,7 +2659,7 @@ InPlace_Image_Converter qimage_inplace_converter_map[QImage::NImageFormats][QIma
0,
0,
convert_ARGB_to_RGBA_inplace,
- 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0
}, // Format_ARGB32
{
0,
@@ -2486,34 +2681,34 @@ InPlace_Image_Converter qimage_inplace_converter_map[QImage::NImageFormats][QIma
0,
0,
convert_ARGB_to_RGBA_inplace,
- 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0
}, // Format_ARGB32_Premultiplied
{
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}, // Format_RGB16
{
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}, // Format_ARGB8565_Premultiplied
{
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}, // Format_RGB666
{
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}, // Format_ARGB6666_Premultiplied
{
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}, // Format_RGB555
{
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}, // Format_ARGB8555_Premultiplied
{
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}, // Format_RGB888
{
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}, // Format_RGB444
{
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
}, // Format_ARGB4444_Premultiplied
{
0,
@@ -2535,7 +2730,7 @@ InPlace_Image_Converter qimage_inplace_converter_map[QImage::NImageFormats][QIma
0,
convert_passthrough_inplace<QImage::Format_RGBA8888>,
convert_passthrough_inplace<QImage::Format_RGBA8888_Premultiplied>,
- 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0
}, // Format_RGBX8888
{
0,
@@ -2557,7 +2752,7 @@ InPlace_Image_Converter qimage_inplace_converter_map[QImage::NImageFormats][QIma
0,
0,
0,
- 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0
}, // Format_RGBA8888
{
0,
@@ -2579,7 +2774,7 @@ InPlace_Image_Converter qimage_inplace_converter_map[QImage::NImageFormats][QIma
0,
0,
0,
- 0, 0, 0, 0
+ 0, 0, 0, 0, 0, 0
}, // Format_RGBA8888_Premultiplied
{
0,
@@ -2604,7 +2799,8 @@ InPlace_Image_Converter qimage_inplace_converter_map[QImage::NImageFormats][QIma
0,
convert_passthrough_inplace<QImage::Format_A2BGR30_Premultiplied>,
convert_BGR30_to_RGB30_inplace,
- convert_BGR30_to_RGB30_inplace
+ convert_BGR30_to_RGB30_inplace,
+ 0, 0
}, // Format_BGR30
{
0,
@@ -2629,7 +2825,8 @@ InPlace_Image_Converter qimage_inplace_converter_map[QImage::NImageFormats][QIma
convert_A2RGB30_PM_to_RGB30_inplace,
0,
0,
- convert_BGR30_to_RGB30_inplace
+ convert_BGR30_to_RGB30_inplace,
+ 0, 0
}, // Format_BGR30A2_Premultiplied
{
0,
@@ -2654,7 +2851,8 @@ InPlace_Image_Converter qimage_inplace_converter_map[QImage::NImageFormats][QIma
convert_BGR30_to_RGB30_inplace,
convert_BGR30_to_RGB30_inplace,
0,
- convert_passthrough_inplace<QImage::Format_A2RGB30_Premultiplied>
+ convert_passthrough_inplace<QImage::Format_A2RGB30_Premultiplied>,
+ 0, 0
}, // Format_RGB30
{
0,
@@ -2679,8 +2877,61 @@ InPlace_Image_Converter qimage_inplace_converter_map[QImage::NImageFormats][QIma
0,
convert_BGR30_to_RGB30_inplace,
convert_A2RGB30_PM_to_RGB30_inplace,
- 0
+ 0,
+ 0, 0
}, // Format_RGB30A2_Premultiplied
+ {
+ 0,
+ 0,
+ 0,
+ convert_Alpha8_to_Indexed8_inplace,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0, 0
+ }, // Format_Alpha8
+ {
+ 0,
+ 0,
+ 0,
+ convert_Grayscale8_to_Indexed8_inplace,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0, 0
+ } // Format_Grayscale8
};
void qInitImageConversions()
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-05 00:12:31 +0000