diff --git a/src/imageformats/psd.cpp b/src/imageformats/psd.cpp index 0d7ed39..710d1a6 100644 --- a/src/imageformats/psd.cpp +++ b/src/imageformats/psd.cpp @@ -42,6 +42,7 @@ #include #include +#include typedef quint32 uint; typedef quint16 ushort; @@ -816,10 +817,18 @@ inline quint32 xchg(quint32 v) inline float xchg(float v) { #if Q_BYTE_ORDER == Q_LITTLE_ENDIAN +# ifdef Q_CC_MSVC float *pf = &v; quint32 f = xchg(*reinterpret_cast(pf)); quint32 *pi = &f; return *reinterpret_cast(pi); +# else + quint32 t; + std::memcpy(&t, &v, sizeof(quint32)); + t = xchg(t); + std::memcpy(&v, &t, sizeof(quint32)); + return v; +# endif #else return v; // never tested #endif @@ -835,15 +844,13 @@ inline void planarToChunchy(uchar *target, const char *source, qint32 width, qin } } -template -inline void planarToChunchyFloat(uchar *target, const char *source, qint32 width, qint32 c, qint32 cn) +template +inline void planarToChunchyFloatToUInt16(uchar *target, const char *source, qint32 width, qint32 c, qint32 cn) { auto s = reinterpret_cast(source); auto t = reinterpret_cast(target); for (qint32 x = 0; x < width; ++x) { - auto tmp = xchg(s[x]); - auto ftmp = (*reinterpret_cast(&tmp) - double(min)) / (double(max) - double(min)); - t[x * cn + c] = quint16(std::min(ftmp * std::numeric_limits::max() + 0.5, double(std::numeric_limits::max()))); + t[x * cn + c] = quint16(std::min(xchg(s[x]) * std::numeric_limits::max() + 0.5, double(std::numeric_limits::max()))); } } @@ -1238,7 +1245,7 @@ static bool LoadPSD(QDataStream &stream, const PSDHeader &header, QImage &img) planarToChunchy(scanLine, rawStride.data(), header.width, c, imgChannels); } else if (header.depth == 32 && header.color_mode == CM_GRAYSCALE) { // 32-bits float images: Grayscale (coverted to equivalent integer 16-bits) - planarToChunchyFloat(scanLine, rawStride.data(), header.width, c, imgChannels); + planarToChunchyFloatToUInt16(scanLine, rawStride.data(), header.width, c, imgChannels); } } }