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digikam/digikam/utilities/imageeditor/editor/imageiface.cpp

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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2004-02-14
* Description : image data interface for image plugins
*
* Copyright (C) 2004-2005 by Renchi Raju <renchi@pooh.tam.uiuc.edu>
* Copyright (C) 2004-2009 by Gilles Caulier <caulier dot gilles at gmail dot com>
*
* This program is free software; you can redistribute it
* and/or modify it under the terms of the GNU General
* Public License as published by the Free Software Foundation;
* either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* ============================================================ */
// TQt includes.
#include <tqwidget.h>
#include <tqsize.h>
#include <tqpixmap.h>
#include <tqbitmap.h>
#include <tqpainter.h>
// Local includes.
#include "ddebug.h"
#include "exposurecontainer.h"
#include "iccsettingscontainer.h"
#include "icctransform.h"
#include "dimginterface.h"
#include "bcgmodifier.h"
#include "dmetadata.h"
#include "imageiface.h"
namespace Digikam
{
class ImageIfacePriv
{
public:
ImageIfacePriv()
{
usePreviewSelection = false;
previewWidth = 0;
previewHeight = 0;
}
bool usePreviewSelection;
int originalWidth;
int originalHeight;
int originalBytesDepth;
int constrainWidth;
int constrainHeight;
int previewWidth;
int previewHeight;
TQPixmap qcheck;
TQPixmap qpix;
TQBitmap qmask;
DImg previewImage;
DImg targetPreviewImage;
};
ImageIface::ImageIface(int w, int h)
{
d = new ImageIfacePriv;
d->constrainWidth = w;
d->constrainHeight = h;
d->originalWidth = DImgInterface::defaultInterface()->origWidth();
d->originalHeight = DImgInterface::defaultInterface()->origHeight();
d->originalBytesDepth = DImgInterface::defaultInterface()->bytesDepth();
d->qpix.setMask(d->qmask);
d->qcheck.resize(8, 8);
TQPainter p;
p.begin(&d->qcheck);
p.fillRect(0, 0, 4, 4, TQColor(144,144,144));
p.fillRect(4, 4, 4, 4, TQColor(144,144,144));
p.fillRect(0, 4, 4, 4, TQColor(100,100,100));
p.fillRect(4, 0, 4, 4, TQColor(100,100,100));
p.end();
}
ImageIface::~ImageIface()
{
delete d;
}
void ImageIface::setPreviewType(bool useSelect)
{
d->usePreviewSelection = useSelect;
}
bool ImageIface::previewType()
{
return d->usePreviewSelection;
}
DColor ImageIface::getColorInfoFromOriginalImage(const TQPoint& point)
{
if ( !DImgInterface::defaultInterface()->getImage() || point.x() > originalWidth() || point.y() > originalHeight() )
{
DWarning() << k_funcinfo << "Coordinate out of range or no image data available!" << endl;
return DColor();
}
return DImgInterface::defaultInterface()->getImg()->getPixelColor(point.x(), point.y());
}
DColor ImageIface::getColorInfoFromPreviewImage(const TQPoint& point)
{
if ( d->previewImage.isNull() || point.x() > previewWidth() || point.y() > previewHeight() )
{
DWarning() << k_funcinfo << "Coordinate out of range or no image data available!" << endl;
return DColor();
}
return d->previewImage.getPixelColor(point.x(), point.y());
}
DColor ImageIface::getColorInfoFromTargetPreviewImage(const TQPoint& point)
{
if ( d->targetPreviewImage.isNull() || point.x() > previewWidth() || point.y() > previewHeight() )
{
DWarning() << k_funcinfo << "Coordinate out of range or no image data available!" << endl;
return DColor();
}
return d->targetPreviewImage.getPixelColor(point.x(), point.y());
}
uchar* ImageIface::setPreviewImageSize(int w, int h) const
{
d->previewImage.reset();
d->targetPreviewImage.reset();
d->constrainWidth = w;
d->constrainHeight = h;
return (getPreviewImage());
}
uchar* ImageIface::getPreviewImage() const
{
if (d->previewImage.isNull())
{
DImg *im = 0;
if (!d->usePreviewSelection)
{
im = DImgInterface::defaultInterface()->getImg();
if (!im || im->isNull())
return 0;
}
else
{
int x, y, w, h;
bool s = DImgInterface::defaultInterface()->sixteenBit();
bool a = DImgInterface::defaultInterface()->hasAlpha();
uchar *data = DImgInterface::defaultInterface()->getImageSelection();
DImgInterface::defaultInterface()->getSelectedArea(x, y, w, h);
im = new DImg(w, h, s, a, data, true);
delete [] data;
if (!im)
return 0;
if (im->isNull())
{
delete im;
return 0;
}
}
TQSize sz(im->width(), im->height());
sz.scale(d->constrainWidth, d->constrainHeight, TQSize::ScaleMin);
d->previewImage = im->smoothScale(sz.width(), sz.height());
d->previewWidth = d->previewImage.width();
d->previewHeight = d->previewImage.height();
// only create another copy if needed, in putPreviewImage
d->targetPreviewImage = d->previewImage;
d->qmask.resize(d->previewWidth, d->previewHeight);
d->qpix.resize(d->previewWidth, d->previewHeight);
if (d->usePreviewSelection)
delete im;
}
DImg previewData = d->previewImage.copyImageData();
return previewData.stripImageData();
}
uchar* ImageIface::getOriginalImage() const
{
DImg *im = DImgInterface::defaultInterface()->getImg();
if (!im || im->isNull())
return 0;
DImg origData = im->copyImageData();
return origData.stripImageData();
}
DImg* ImageIface::getOriginalImg() const
{
return DImgInterface::defaultInterface()->getImg();
}
uchar* ImageIface::getImageSelection() const
{
return DImgInterface::defaultInterface()->getImageSelection();
}
void ImageIface::putPreviewImage(uchar* data)
{
if (!data)
return;
if (d->targetPreviewImage == d->previewImage)
{
d->targetPreviewImage = DImg(d->previewImage.width(), d->previewImage.height(),
d->previewImage.sixteenBit(), d->previewImage.hasAlpha(), data);
d->targetPreviewImage.setICCProfil( d->previewImage.getICCProfil() );
}
else
{
d->targetPreviewImage.putImageData(data);
}
}
void ImageIface::putOriginalImage(const TQString &caller, uchar* data, int w, int h)
{
if (!data)
return;
DImgInterface::defaultInterface()->putImage(caller, data, w, h);
}
void ImageIface::setEmbeddedICCToOriginalImage(const TQString& profilePath)
{
DImgInterface::defaultInterface()->setEmbeddedICCToOriginalImage( profilePath );
}
void ImageIface::putImageSelection(const TQString &caller, uchar* data)
{
if (!data)
return;
DImgInterface::defaultInterface()->putImageSelection(caller, data);
}
int ImageIface::previewWidth()
{
return d->previewWidth;
}
int ImageIface::previewHeight()
{
return d->previewHeight;
}
bool ImageIface::previewSixteenBit()
{
return originalSixteenBit();
}
bool ImageIface::previewHasAlpha()
{
return originalHasAlpha();
}
int ImageIface::originalWidth()
{
return DImgInterface::defaultInterface()->origWidth();
}
int ImageIface::originalHeight()
{
return DImgInterface::defaultInterface()->origHeight();
}
bool ImageIface::originalSixteenBit()
{
return DImgInterface::defaultInterface()->sixteenBit();
}
bool ImageIface::originalHasAlpha()
{
return DImgInterface::defaultInterface()->hasAlpha();
}
int ImageIface::selectedWidth()
{
int x, y, w, h;
DImgInterface::defaultInterface()->getSelectedArea(x, y, w, h);
return w;
}
int ImageIface::selectedHeight()
{
int x, y, w, h;
DImgInterface::defaultInterface()->getSelectedArea(x, y, w, h);
return h;
}
int ImageIface::selectedXOrg()
{
int x, y, w, h;
DImgInterface::defaultInterface()->getSelectedArea(x, y, w, h);
return x;
}
int ImageIface::selectedYOrg()
{
int x, y, w, h;
DImgInterface::defaultInterface()->getSelectedArea(x, y, w, h);
return y;
}
void ImageIface::setPreviewBCG(double brightness, double contrast, double gamma)
{
DImg preview = d->targetPreviewImage.copyImageData();
BCGModifier cmod;
cmod.setGamma(gamma);
cmod.setBrightness(brightness);
cmod.setContrast(contrast);
cmod.applyBCG(preview);
putPreviewImage(preview.bits());
}
void ImageIface::setOriginalBCG(double brightness, double contrast, double gamma)
{
DImgInterface::defaultInterface()->setBCG(brightness, contrast, gamma);
}
void ImageIface::convertOriginalColorDepth(int depth)
{
DImgInterface::defaultInterface()->convertDepth(depth);
}
TQPixmap ImageIface::convertToPixmap(DImg& img)
{
return DImgInterface::defaultInterface()->convertToPixmap(img);
}
TQByteArray ImageIface::getEmbeddedICCFromOriginalImage()
{
return DImgInterface::defaultInterface()->getEmbeddedICC();
}
TQByteArray ImageIface::getExifFromOriginalImage()
{
return DImgInterface::defaultInterface()->getExif();
}
TQByteArray ImageIface::getIptcFromOriginalImage()
{
return DImgInterface::defaultInterface()->getIptc();
}
PhotoInfoContainer ImageIface::getPhotographInformations() const
{
DMetadata meta;
meta.setExif(DImgInterface::defaultInterface()->getExif());
meta.setIptc(DImgInterface::defaultInterface()->getIptc());
return meta.getPhotographInformations();
}
void ImageIface::paint(TQPaintDevice* device, int x, int y, int w, int h,
bool underExposure, bool overExposure)
{
if ( !d->targetPreviewImage.isNull() )
{
if (d->targetPreviewImage.hasAlpha())
{
TQPainter p(&d->qpix);
p.drawTiledPixmap(0, 0, d->qpix.width(), d->qpix.height(), d->qcheck);
p.end();
}
TQPixmap pixImage;
ICCSettingsContainer *iccSettings = DImgInterface::defaultInterface()->getICCSettings();
if (iccSettings)
{
IccTransform monitorICCtrans;
monitorICCtrans.setProfiles(iccSettings->workspaceSetting, iccSettings->monitorSetting);
if (iccSettings->enableCMSetting && iccSettings->managedViewSetting)
{
pixImage = d->targetPreviewImage.convertToPixmap(&monitorICCtrans);
}
else
{
pixImage = d->targetPreviewImage.convertToPixmap();
}
}
else
{
pixImage = d->targetPreviewImage.convertToPixmap();
}
bitBlt(&d->qpix, 0, 0, static_cast<TQPaintDevice*>(&pixImage), 0, 0, w, h, TQt::CopyROP, false);
// Show the Over/Under exposure pixels indicators
if (underExposure || overExposure)
{
ExposureSettingsContainer expoSettings;
expoSettings.underExposureIndicator = underExposure;
expoSettings.overExposureIndicator = overExposure;
expoSettings.underExposureColor = DImgInterface::defaultInterface()->underExposureColor();
expoSettings.overExposureColor = DImgInterface::defaultInterface()->overExposureColor();
TQImage pureColorMask = d->targetPreviewImage.pureColorMask(&expoSettings);
TQPixmap pixMask(pureColorMask);
bitBlt(&d->qpix, 0, 0, static_cast<TQPaintDevice*>(&pixMask), 0, 0, w, h, TQt::CopyROP, false);
}
}
bitBlt(device, x, y, static_cast<TQPaintDevice*>(&d->qpix), 0, 0, -1, -1, TQt::CopyROP, false);
}
} // namespace Digikam