qt6windows7/src/gui/painting/qblendfunctions.cpp
2023-11-01 18:02:52 +01:00

596 lines
24 KiB
C++

// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include <qmath.h>
#include "qblendfunctions_p.h"
QT_BEGIN_NAMESPACE
struct SourceOnlyAlpha
{
inline uchar alpha(uchar src) const { return src; }
inline quint16 bytemul(quint16 spix) const { return spix; }
};
struct SourceAndConstAlpha
{
SourceAndConstAlpha(int a) : m_alpha256(a) {
m_alpha255 = (m_alpha256 * 255) >> 8;
};
inline uchar alpha(uchar src) const { return (src * m_alpha256) >> 8; }
inline quint16 bytemul(quint16 x) const {
uint t = (((x & 0x07e0)*m_alpha255) >> 8) & 0x07e0;
t |= (((x & 0xf81f)*(m_alpha255>>2)) >> 6) & 0xf81f;
return t;
}
int m_alpha255;
int m_alpha256;
};
/************************************************************************
RGB16 (565) format target format
************************************************************************/
struct Blend_RGB16_on_RGB16_NoAlpha {
inline void write(quint16 *dst, quint16 src) { *dst = src; }
inline void flush(void *) {}
};
struct Blend_RGB16_on_RGB16_ConstAlpha {
inline Blend_RGB16_on_RGB16_ConstAlpha(quint32 alpha) {
m_alpha = (alpha * 255) >> 8;
m_ialpha = 255 - m_alpha;
}
inline void write(quint16 *dst, quint16 src) {
*dst = BYTE_MUL_RGB16(src, m_alpha) + BYTE_MUL_RGB16(*dst, m_ialpha);
}
inline void flush(void *) {}
quint32 m_alpha;
quint32 m_ialpha;
};
struct Blend_ARGB32_on_RGB16_SourceAlpha {
inline void write(quint16 *dst, quint32 src) {
const quint8 alpha = qAlpha(src);
if (alpha) {
quint16 s = qConvertRgb32To16(src);
if (alpha < 255)
s += BYTE_MUL_RGB16(*dst, 255 - alpha);
*dst = s;
}
}
inline void flush(void *) {}
};
struct Blend_ARGB32_on_RGB16_SourceAndConstAlpha {
inline Blend_ARGB32_on_RGB16_SourceAndConstAlpha(quint32 alpha) {
m_alpha = (alpha * 255) >> 8;
}
inline void write(quint16 *dst, quint32 src) {
src = BYTE_MUL(src, m_alpha);
const quint8 alpha = qAlpha(src);
if (alpha) {
quint16 s = qConvertRgb32To16(src);
if (alpha < 255)
s += BYTE_MUL_RGB16(*dst, 255 - alpha);
*dst = s;
}
}
inline void flush(void *) {}
quint32 m_alpha;
};
void qt_scale_image_rgb16_on_rgb16(uchar *destPixels, int dbpl,
const uchar *srcPixels, int sbpl, int srch,
const QRectF &targetRect,
const QRectF &sourceRect,
const QRect &clip,
int const_alpha)
{
#ifdef QT_DEBUG_DRAW
printf("qt_scale_rgb16_on_rgb16: dst=(%p, %d), src=(%p, %d), target=(%d, %d), [%d x %d], src=(%d, %d) [%d x %d] alpha=%d\n",
destPixels, dbpl, srcPixels, sbpl,
targetRect.x(), targetRect.y(), targetRect.width(), targetRect.height(),
sourceRect.x(), sourceRect.y(), sourceRect.width(), sourceRect.height(),
const_alpha);
#endif
if (const_alpha == 256) {
Blend_RGB16_on_RGB16_NoAlpha noAlpha;
qt_scale_image_16bit<quint16>(destPixels, dbpl, srcPixels, sbpl, srch,
targetRect, sourceRect, clip, noAlpha);
} else {
Blend_RGB16_on_RGB16_ConstAlpha constAlpha(const_alpha);
qt_scale_image_16bit<quint16>(destPixels, dbpl, srcPixels, sbpl, srch,
targetRect, sourceRect, clip, constAlpha);
}
}
void qt_scale_image_argb32_on_rgb16(uchar *destPixels, int dbpl,
const uchar *srcPixels, int sbpl, int srch,
const QRectF &targetRect,
const QRectF &sourceRect,
const QRect &clip,
int const_alpha)
{
#ifdef QT_DEBUG_DRAW
printf("qt_scale_argb32_on_rgb16: dst=(%p, %d), src=(%p, %d), target=(%d, %d), [%d x %d], src=(%d, %d) [%d x %d] alpha=%d\n",
destPixels, dbpl, srcPixels, sbpl,
targetRect.x(), targetRect.y(), targetRect.width(), targetRect.height(),
sourceRect.x(), sourceRect.y(), sourceRect.width(), sourceRect.height(),
const_alpha);
#endif
if (const_alpha == 256) {
Blend_ARGB32_on_RGB16_SourceAlpha noAlpha;
qt_scale_image_16bit<quint32>(destPixels, dbpl, srcPixels, sbpl, srch,
targetRect, sourceRect, clip, noAlpha);
} else {
Blend_ARGB32_on_RGB16_SourceAndConstAlpha constAlpha(const_alpha);
qt_scale_image_16bit<quint32>(destPixels, dbpl, srcPixels, sbpl, srch,
targetRect, sourceRect, clip, constAlpha);
}
}
void qt_blend_rgb16_on_rgb16(uchar *dst, int dbpl,
const uchar *src, int sbpl,
int w, int h,
int const_alpha)
{
#ifdef QT_DEBUG_DRAW
printf("qt_blend_rgb16_on_rgb16: dst=(%p, %d), src=(%p, %d), dim=(%d, %d) alpha=%d\n",
dst, dbpl, src, sbpl, w, h, const_alpha);
#endif
if (const_alpha == 256) {
int length = w << 1;
while (--h >= 0) {
memcpy(dst, src, length);
dst += dbpl;
src += sbpl;
}
} else if (const_alpha != 0) {
quint16 *d = (quint16 *) dst;
const quint16 *s = (const quint16 *) src;
quint8 a = (255 * const_alpha) >> 8;
quint8 ia = 255 - a;
while (--h >= 0) {
for (int x=0; x<w; ++x) {
d[x] = BYTE_MUL_RGB16(s[x], a) + BYTE_MUL_RGB16(d[x], ia);
}
d = (quint16 *)(((uchar *) d) + dbpl);
s = (const quint16 *)(((const uchar *) s) + sbpl);
}
}
}
void qt_blend_argb32_on_rgb16_const_alpha(uchar *destPixels, int dbpl,
const uchar *srcPixels, int sbpl,
int w, int h,
int const_alpha)
{
quint16 *dst = (quint16 *) destPixels;
const quint32 *src = (const quint32 *) srcPixels;
const_alpha = (const_alpha * 255) >> 8;
for (int y=0; y<h; ++y) {
for (int i = 0; i < w; ++i) {
uint s = src[i];
s = BYTE_MUL(s, const_alpha);
int alpha = qAlpha(s);
s = qConvertRgb32To16(s);
s += BYTE_MUL_RGB16(dst[i], 255 - alpha);
dst[i] = s;
}
dst = (quint16 *)(((uchar *) dst) + dbpl);
src = (const quint32 *)(((const uchar *) src) + sbpl);
}
}
static void qt_blend_argb32_on_rgb16(uchar *destPixels, int dbpl,
const uchar *srcPixels, int sbpl,
int w, int h,
int const_alpha)
{
if (const_alpha != 256) {
qt_blend_argb32_on_rgb16_const_alpha(destPixels, dbpl, srcPixels, sbpl, w, h, const_alpha);
return;
}
quint16 *dst = (quint16 *) destPixels;
const quint32 *src = (const quint32 *) srcPixels;
for (int y=0; y<h; ++y) {
for (int x=0; x<w; ++x) {
quint32 spix = src[x];
quint32 alpha = spix >> 24;
if (alpha == 255) {
dst[x] = qConvertRgb32To16(spix);
} else if (alpha != 0) {
quint32 dpix = dst[x];
quint32 sia = 255 - alpha;
quint32 sr = (spix >> 8) & 0xf800;
quint32 sg = (spix >> 5) & 0x07e0;
quint32 sb = (spix >> 3) & 0x001f;
quint32 dr = (dpix & 0x0000f800);
quint32 dg = (dpix & 0x000007e0);
quint32 db = (dpix & 0x0000001f);
quint32 siar = dr * sia;
quint32 siag = dg * sia;
quint32 siab = db * sia;
quint32 rr = sr + ((siar + (siar>>8) + (0x80 << 8)) >> 8);
quint32 rg = sg + ((siag + (siag>>8) + (0x80 << 3)) >> 8);
quint32 rb = sb + ((siab + (siab>>8) + (0x80 >> 3)) >> 8);
dst[x] = (rr & 0xf800)
| (rg & 0x07e0)
| (rb);
}
}
dst = (quint16 *) (((uchar *) dst) + dbpl);
src = (const quint32 *) (((const uchar *) src) + sbpl);
}
}
static void qt_blend_rgb32_on_rgb16(uchar *destPixels, int dbpl,
const uchar *srcPixels, int sbpl,
int w, int h,
int const_alpha)
{
#ifdef QT_DEBUG_DRAW
printf("qt_blend_rgb32_on_rgb16: dst=(%p, %d), src=(%p, %d), dim=(%d, %d) alpha=%d\n",
destPixels, dbpl, srcPixels, sbpl, w, h, const_alpha);
#endif
if (const_alpha != 256) {
qt_blend_argb32_on_rgb16(destPixels, dbpl, srcPixels, sbpl, w, h, const_alpha);
return;
}
const quint32 *src = (const quint32 *) srcPixels;
int srcExtraStride = (sbpl >> 2) - w;
int dstJPL = dbpl / 2;
quint16 *dst = (quint16 *) destPixels;
quint16 *dstEnd = dst + dstJPL * h;
int dstExtraStride = dstJPL - w;
while (dst < dstEnd) {
const quint32 *srcEnd = src + w;
while (src < srcEnd) {
*dst = qConvertRgb32To16(*src);
++dst;
++src;
}
dst += dstExtraStride;
src += srcExtraStride;
}
}
/************************************************************************
RGB32 (-888) format target format
************************************************************************/
static void qt_blend_argb32_on_argb32(uchar *destPixels, int dbpl,
const uchar *srcPixels, int sbpl,
int w, int h,
int const_alpha)
{
#ifdef QT_DEBUG_DRAW
fprintf(stdout, "qt_blend_argb32_on_argb32: dst=(%p, %d), src=(%p, %d), dim=(%d, %d) alpha=%d\n",
destPixels, dbpl, srcPixels, sbpl, w, h, const_alpha);
fflush(stdout);
#endif
const uint *src = (const uint *) srcPixels;
uint *dst = (uint *) destPixels;
if (const_alpha == 256) {
for (int y=0; y<h; ++y) {
for (int x=0; x<w; ++x) {
uint s = src[x];
if (s >= 0xff000000)
dst[x] = s;
else if (s != 0)
dst[x] = s + BYTE_MUL(dst[x], qAlpha(~s));
}
dst = (quint32 *)(((uchar *) dst) + dbpl);
src = (const quint32 *)(((const uchar *) src) + sbpl);
}
} else if (const_alpha != 0) {
const_alpha = (const_alpha * 255) >> 8;
for (int y=0; y<h; ++y) {
for (int x=0; x<w; ++x) {
uint s = BYTE_MUL(src[x], const_alpha);
dst[x] = s + BYTE_MUL(dst[x], qAlpha(~s));
}
dst = (quint32 *)(((uchar *) dst) + dbpl);
src = (const quint32 *)(((const uchar *) src) + sbpl);
}
}
}
void qt_blend_rgb32_on_rgb32(uchar *destPixels, int dbpl,
const uchar *srcPixels, int sbpl,
int w, int h,
int const_alpha)
{
#ifdef QT_DEBUG_DRAW
fprintf(stdout, "qt_blend_rgb32_on_rgb32: dst=(%p, %d), src=(%p, %d), dim=(%d, %d) alpha=%d\n",
destPixels, dbpl, srcPixels, sbpl, w, h, const_alpha);
fflush(stdout);
#endif
const uint *src = (const uint *) srcPixels;
uint *dst = (uint *) destPixels;
if (const_alpha == 256) {
const int len = w * 4;
for (int y = 0; y < h; ++y) {
memcpy(dst, src, len);
dst = (quint32 *)(((uchar *) dst) + dbpl);
src = (const quint32 *)(((const uchar *) src) + sbpl);
}
return;
} else if (const_alpha != 0) {
const_alpha = (const_alpha * 255) >> 8;
int ialpha = 255 - const_alpha;
for (int y=0; y<h; ++y) {
for (int x=0; x<w; ++x)
dst[x] = INTERPOLATE_PIXEL_255(dst[x], ialpha, src[x], const_alpha);
dst = (quint32 *)(((uchar *) dst) + dbpl);
src = (const quint32 *)(((const uchar *) src) + sbpl);
}
}
}
struct Blend_RGB32_on_RGB32_NoAlpha {
inline void write(quint32 *dst, quint32 src) { *dst = src; }
inline void flush(void *) {}
};
struct Blend_RGB32_on_RGB32_ConstAlpha {
inline Blend_RGB32_on_RGB32_ConstAlpha(quint32 alpha) {
m_alpha = (alpha * 255) >> 8;
m_ialpha = 255 - m_alpha;
}
inline void write(quint32 *dst, quint32 src) {
*dst = INTERPOLATE_PIXEL_255(src, m_alpha, *dst, m_ialpha);
}
inline void flush(void *) {}
quint32 m_alpha;
quint32 m_ialpha;
};
struct Blend_ARGB32_on_ARGB32_SourceAlpha {
inline void write(quint32 *dst, quint32 src)
{
blend_pixel(*dst, src);
}
inline void flush(void *) {}
};
struct Blend_ARGB32_on_ARGB32_SourceAndConstAlpha {
inline Blend_ARGB32_on_ARGB32_SourceAndConstAlpha(quint32 alpha)
{
m_alpha = (alpha * 255) >> 8;
}
inline void write(quint32 *dst, quint32 src)
{
blend_pixel(*dst, src, m_alpha);
}
inline void flush(void *) {}
quint32 m_alpha;
};
void qt_scale_image_rgb32_on_rgb32(uchar *destPixels, int dbpl,
const uchar *srcPixels, int sbpl, int srch,
const QRectF &targetRect,
const QRectF &sourceRect,
const QRect &clip,
int const_alpha)
{
#ifdef QT_DEBUG_DRAW
printf("qt_scale_rgb32_on_rgb32: dst=(%p, %d), src=(%p, %d), target=(%d, %d), [%d x %d], src=(%d, %d) [%d x %d] alpha=%d\n",
destPixels, dbpl, srcPixels, sbpl,
targetRect.x(), targetRect.y(), targetRect.width(), targetRect.height(),
sourceRect.x(), sourceRect.y(), sourceRect.width(), sourceRect.height(),
const_alpha);
#endif
if (const_alpha == 256) {
Blend_RGB32_on_RGB32_NoAlpha noAlpha;
qt_scale_image_32bit(destPixels, dbpl, srcPixels, sbpl, srch,
targetRect, sourceRect, clip, noAlpha);
} else {
Blend_RGB32_on_RGB32_ConstAlpha constAlpha(const_alpha);
qt_scale_image_32bit(destPixels, dbpl, srcPixels, sbpl, srch,
targetRect, sourceRect, clip, constAlpha);
}
}
void qt_scale_image_argb32_on_argb32(uchar *destPixels, int dbpl,
const uchar *srcPixels, int sbpl, int srch,
const QRectF &targetRect,
const QRectF &sourceRect,
const QRect &clip,
int const_alpha)
{
#ifdef QT_DEBUG_DRAW
printf("qt_scale_argb32_on_argb32: dst=(%p, %d), src=(%p, %d), target=(%d, %d), [%d x %d], src=(%d, %d) [%d x %d] alpha=%d\n",
destPixels, dbpl, srcPixels, sbpl,
targetRect.x(), targetRect.y(), targetRect.width(), targetRect.height(),
sourceRect.x(), sourceRect.y(), sourceRect.width(), sourceRect.height(),
const_alpha);
#endif
if (const_alpha == 256) {
Blend_ARGB32_on_ARGB32_SourceAlpha sourceAlpha;
qt_scale_image_32bit(destPixels, dbpl, srcPixels, sbpl, srch,
targetRect, sourceRect, clip, sourceAlpha);
} else {
Blend_ARGB32_on_ARGB32_SourceAndConstAlpha constAlpha(const_alpha);
qt_scale_image_32bit(destPixels, dbpl, srcPixels, sbpl, srch,
targetRect, sourceRect, clip, constAlpha);
}
}
void qt_transform_image_rgb16_on_rgb16(uchar *destPixels, int dbpl,
const uchar *srcPixels, int sbpl,
const QRectF &targetRect,
const QRectF &sourceRect,
const QRect &clip,
const QTransform &targetRectTransform,
int const_alpha)
{
if (const_alpha == 256) {
Blend_RGB16_on_RGB16_NoAlpha noAlpha;
qt_transform_image(reinterpret_cast<quint16 *>(destPixels), dbpl,
reinterpret_cast<const quint16 *>(srcPixels), sbpl,
targetRect, sourceRect, clip, targetRectTransform, noAlpha);
} else {
Blend_RGB16_on_RGB16_ConstAlpha constAlpha(const_alpha);
qt_transform_image(reinterpret_cast<quint16 *>(destPixels), dbpl,
reinterpret_cast<const quint16 *>(srcPixels), sbpl,
targetRect, sourceRect, clip, targetRectTransform, constAlpha);
}
}
void qt_transform_image_argb32_on_rgb16(uchar *destPixels, int dbpl,
const uchar *srcPixels, int sbpl,
const QRectF &targetRect,
const QRectF &sourceRect,
const QRect &clip,
const QTransform &targetRectTransform,
int const_alpha)
{
if (const_alpha == 256) {
Blend_ARGB32_on_RGB16_SourceAlpha noAlpha;
qt_transform_image(reinterpret_cast<quint16 *>(destPixels), dbpl,
reinterpret_cast<const quint32 *>(srcPixels), sbpl,
targetRect, sourceRect, clip, targetRectTransform, noAlpha);
} else {
Blend_ARGB32_on_RGB16_SourceAndConstAlpha constAlpha(const_alpha);
qt_transform_image(reinterpret_cast<quint16 *>(destPixels), dbpl,
reinterpret_cast<const quint32 *>(srcPixels), sbpl,
targetRect, sourceRect, clip, targetRectTransform, constAlpha);
}
}
void qt_transform_image_rgb32_on_rgb32(uchar *destPixels, int dbpl,
const uchar *srcPixels, int sbpl,
const QRectF &targetRect,
const QRectF &sourceRect,
const QRect &clip,
const QTransform &targetRectTransform,
int const_alpha)
{
if (const_alpha == 256) {
Blend_RGB32_on_RGB32_NoAlpha noAlpha;
qt_transform_image(reinterpret_cast<quint32 *>(destPixels), dbpl,
reinterpret_cast<const quint32 *>(srcPixels), sbpl,
targetRect, sourceRect, clip, targetRectTransform, noAlpha);
} else {
Blend_RGB32_on_RGB32_ConstAlpha constAlpha(const_alpha);
qt_transform_image(reinterpret_cast<quint32 *>(destPixels), dbpl,
reinterpret_cast<const quint32 *>(srcPixels), sbpl,
targetRect, sourceRect, clip, targetRectTransform, constAlpha);
}
}
void qt_transform_image_argb32_on_argb32(uchar *destPixels, int dbpl,
const uchar *srcPixels, int sbpl,
const QRectF &targetRect,
const QRectF &sourceRect,
const QRect &clip,
const QTransform &targetRectTransform,
int const_alpha)
{
if (const_alpha == 256) {
Blend_ARGB32_on_ARGB32_SourceAlpha sourceAlpha;
qt_transform_image(reinterpret_cast<quint32 *>(destPixels), dbpl,
reinterpret_cast<const quint32 *>(srcPixels), sbpl,
targetRect, sourceRect, clip, targetRectTransform, sourceAlpha);
} else {
Blend_ARGB32_on_ARGB32_SourceAndConstAlpha constAlpha(const_alpha);
qt_transform_image(reinterpret_cast<quint32 *>(destPixels), dbpl,
reinterpret_cast<const quint32 *>(srcPixels), sbpl,
targetRect, sourceRect, clip, targetRectTransform, constAlpha);
}
}
SrcOverScaleFunc qScaleFunctions[QImage::NImageFormats][QImage::NImageFormats];
SrcOverBlendFunc qBlendFunctions[QImage::NImageFormats][QImage::NImageFormats];
SrcOverTransformFunc qTransformFunctions[QImage::NImageFormats][QImage::NImageFormats];
void qInitBlendFunctions()
{
qScaleFunctions[QImage::Format_RGB32][QImage::Format_RGB32] = qt_scale_image_rgb32_on_rgb32;
qScaleFunctions[QImage::Format_RGB32][QImage::Format_ARGB32_Premultiplied] = qt_scale_image_argb32_on_argb32;
qScaleFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_RGB32] = qt_scale_image_rgb32_on_rgb32;
qScaleFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_ARGB32_Premultiplied] = qt_scale_image_argb32_on_argb32;
qScaleFunctions[QImage::Format_RGB16][QImage::Format_ARGB32_Premultiplied] = qt_scale_image_argb32_on_rgb16;
qScaleFunctions[QImage::Format_RGB16][QImage::Format_RGB16] = qt_scale_image_rgb16_on_rgb16;
#if Q_BYTE_ORDER == Q_LITTLE_ENDIAN
qScaleFunctions[QImage::Format_RGBX8888][QImage::Format_RGBX8888] = qt_scale_image_rgb32_on_rgb32;
qScaleFunctions[QImage::Format_RGBX8888][QImage::Format_RGBA8888_Premultiplied] = qt_scale_image_argb32_on_argb32;
qScaleFunctions[QImage::Format_RGBA8888_Premultiplied][QImage::Format_RGBX8888] = qt_scale_image_rgb32_on_rgb32;
qScaleFunctions[QImage::Format_RGBA8888_Premultiplied][QImage::Format_RGBA8888_Premultiplied] = qt_scale_image_argb32_on_argb32;
#endif
qBlendFunctions[QImage::Format_RGB32][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb32;
qBlendFunctions[QImage::Format_RGB32][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32;
qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb32;
qBlendFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_argb32;
qBlendFunctions[QImage::Format_RGB16][QImage::Format_RGB32] = qt_blend_rgb32_on_rgb16;
qBlendFunctions[QImage::Format_RGB16][QImage::Format_ARGB32_Premultiplied] = qt_blend_argb32_on_rgb16;
qBlendFunctions[QImage::Format_RGB16][QImage::Format_RGB16] = qt_blend_rgb16_on_rgb16;
#if Q_BYTE_ORDER == Q_LITTLE_ENDIAN
qBlendFunctions[QImage::Format_RGBX8888][QImage::Format_RGBX8888] = qt_blend_rgb32_on_rgb32;
qBlendFunctions[QImage::Format_RGBX8888][QImage::Format_RGBA8888_Premultiplied] = qt_blend_argb32_on_argb32;
qBlendFunctions[QImage::Format_RGBA8888_Premultiplied][QImage::Format_RGBX8888] = qt_blend_rgb32_on_rgb32;
qBlendFunctions[QImage::Format_RGBA8888_Premultiplied][QImage::Format_RGBA8888_Premultiplied] = qt_blend_argb32_on_argb32;
#endif
qTransformFunctions[QImage::Format_RGB32][QImage::Format_RGB32] = qt_transform_image_rgb32_on_rgb32;
qTransformFunctions[QImage::Format_RGB32][QImage::Format_ARGB32_Premultiplied] = qt_transform_image_argb32_on_argb32;
qTransformFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_RGB32] = qt_transform_image_rgb32_on_rgb32;
qTransformFunctions[QImage::Format_ARGB32_Premultiplied][QImage::Format_ARGB32_Premultiplied] = qt_transform_image_argb32_on_argb32;
qTransformFunctions[QImage::Format_RGB16][QImage::Format_ARGB32_Premultiplied] = qt_transform_image_argb32_on_rgb16;
qTransformFunctions[QImage::Format_RGB16][QImage::Format_RGB16] = qt_transform_image_rgb16_on_rgb16;
#if Q_BYTE_ORDER == Q_LITTLE_ENDIAN
qTransformFunctions[QImage::Format_RGBX8888][QImage::Format_RGBX8888] = qt_transform_image_rgb32_on_rgb32;
qTransformFunctions[QImage::Format_RGBX8888][QImage::Format_RGBA8888_Premultiplied] = qt_transform_image_argb32_on_argb32;
qTransformFunctions[QImage::Format_RGBA8888_Premultiplied][QImage::Format_RGBX8888] = qt_transform_image_rgb32_on_rgb32;
qTransformFunctions[QImage::Format_RGBA8888_Premultiplied][QImage::Format_RGBA8888_Premultiplied] = qt_transform_image_argb32_on_argb32;
#endif
}
QT_END_NAMESPACE