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77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#include <ImageLoader/ImageLoaders.h>
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#include <Atom/ImageProcessing/ImageObject.h>
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#include <ImageBuilderBaseType.h>
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// warning C4251: class QT_Type needs to have dll-interface to be used by clients of class 'QT_Type'
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AZ_PUSH_DISABLE_WARNING(4251, "-Wunknown-warning-option")
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#include <QImage>
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#include <QImageReader>
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AZ_POP_DISABLE_WARNING
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///////////////////////////////////////////////////////////////////////////////////
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namespace ImageProcessingAtom
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{
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namespace QtImageLoader
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{
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IImageObject* LoadImageFromFile(const AZStd::string& filename)
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{
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//try to open the image
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QImage qimage(filename.c_str());
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if (qimage.isNull())
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{
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AZ_Error("ImageProcessing", false, "Failed to load [%s] via QImage", filename.c_str());
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return NULL;
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}
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//convert to format which compatiable our pixel format
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if (qimage.format() != QImage::Format_RGBA8888)
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{
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qimage = qimage.convertToFormat(QImage::Format_RGBA8888);
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}
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//create a new image object
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IImageObject* pImage = IImageObject::CreateImage(qimage.width(), qimage.height(), 1,
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ePixelFormat_R8G8B8A8);
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//get a pointer to the image objects pixel data
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uint8* pDst;
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uint32 dwPitch;
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pImage->GetImagePointer(0, pDst, dwPitch);
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//copy the qImage into the image object
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for (uint32 dwY = 0; dwY < (uint32)qimage.height(); ++dwY)
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{
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uint8* dstLine = &pDst[dwPitch * dwY];
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uchar* srcLine = qimage.scanLine(dwY);
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memcpy(dstLine, srcLine, dwPitch);
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}
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return pImage;
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}
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bool IsExtensionSupported(const char* extension)
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{
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QList<QByteArray> imgFormats = QImageReader::supportedImageFormats();
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for (int i = 0; i < imgFormats.size(); ++i)
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{
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if (imgFormats[i].toLower().toStdString() == QString(extension).toLower().toStdString())
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{
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return true;
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}
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}
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return false;
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}
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}//namespace QtImageLoader
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} //namespace ImageProcessingAtom
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