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80 lines
2.7 KiB
C++
80 lines
2.7 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#include "ImageProcessing_precompiled.h"
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#include <ImageLoader/ImageLoaders.h>
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#include <Atom/ImageProcessing/ImageObject.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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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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