Files
create/src/Gui/Quarter/ImageReader.cpp
2016-01-05 16:43:33 +01:00

81 lines
2.9 KiB
C++

/**************************************************************************\
* Copyright (c) Kongsberg Oil & Gas Technologies AS
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\**************************************************************************/
#include "ImageReader.h"
#include <Inventor/SbImage.h>
#include <Inventor/errors/SoDebugError.h>
#include <QtGui/QImage>
#include <Quarter/QtCoinCompatibility.h>
using namespace SIM::Coin3D::Quarter;
ImageReader::ImageReader(void)
{
SbImage::addReadImageCB(ImageReader::readImageCB, this);
}
ImageReader::~ImageReader(void)
{
SbImage::removeReadImageCB(ImageReader::readImageCB, this);
}
SbBool
ImageReader::readImage(const SbString & filename, SbImage & sbimage) const
{
QImage image;
if (image.load(filename.getString())) {
//int c;
//int w = image.width();
//int h = image.height();
// Keep in 8-bits mode if that was what we read
if (image.depth() != 8 || !image.isGrayscale()) {
// FIXME: consider if we should detect allGrayscale() and alpha (c = 2)
image = image.convertToFormat(image.hasAlphaChannel() ?
QImage::Format_ARGB32 : QImage::Format_RGB32);
}
QtCoinCompatibility::QImageToSbImage(image,sbimage);
return true;
}
return false;
}
SbBool
ImageReader::readImageCB(const SbString & filename, SbImage * image, void * closure)
{
return ((ImageReader*)closure)->readImage(filename, *image);
}