diff options
Diffstat (limited to 'src/gui/image/qpnghandler.cpp')
| -rw-r--r-- | src/gui/image/qpnghandler.cpp | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/gui/image/qpnghandler.cpp b/src/gui/image/qpnghandler.cpp index 023696a401..8cfcbdb2d2 100644 --- a/src/gui/image/qpnghandler.cpp +++ b/src/gui/image/qpnghandler.cpp @@ -980,6 +980,7 @@ bool QPNGImageWriter::writeImage(const QImage& image, volatile int compression_i bpc, // per channel color_type, 0, 0, 0); // sets #channels +#ifdef PNG_iCCP_SUPPORTED if (image.colorSpace().isValid()) { QColorSpace cs = image.colorSpace(); // Support the old gamma making it override transferfunction. @@ -995,9 +996,17 @@ bool QPNGImageWriter::writeImage(const QImage& image, volatile int compression_i if (iccProfileName.isEmpty()) iccProfileName = QByteArrayLiteral("Custom"); QByteArray iccProfile = cs.iccProfile(); - png_set_iCCP(png_ptr, info_ptr, (png_const_charp)iccProfileName.constData(), - PNG_COMPRESSION_TYPE_BASE, (png_const_bytep)iccProfile.constData(), iccProfile.length()); - } else if (gamma != 0.0) { + png_set_iCCP(png_ptr, info_ptr, + #if PNG_LIBPNG_VER < 10500 + iccProfileName.data(), PNG_COMPRESSION_TYPE_BASE, iccProfile.data(), + #else + iccProfileName.constData(), PNG_COMPRESSION_TYPE_BASE, + (png_const_bytep)iccProfile.constData(), + #endif + iccProfile.length()); + } else +#endif + if (gamma != 0.0) { png_set_gAMA(png_ptr, info_ptr, 1.0/gamma); } |