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Viewing changes to krita/ui/canvas/kis_projection_backend.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Alessandro Ghersi
  • Date: 2010-10-27 17:52:57 UTC
  • mfrom: (0.12.1 upstream)
  • Revision ID: james.westby@ubuntu.com-20101027175257-s04zqqk5bs8ckm9o
Tags: 1:2.2.83-0ubuntu1
* Merge with Debian git remaining changes:
 - Add build-deps on librcps-dev, opengtl-dev, libqtgtl-dev, freetds-dev,
   create-resources, libspnav-dev
 - Remove needless build-dep on libwv2-dev
 - koffice-libs recommends create-resources
 - krita recommends pstoedit
 - Keep our patches
* New upstream release 2.3 beta 3
  - Remove debian/patches fixed by upstream
  - Update install files

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krita/ui/canvas/kis_projection_backend.cpp
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#include "kis_projection_backend.h"
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#include <QRect>
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#include <QRectF>
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#include <QPainter>
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#include "kis_debug.h"
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#include <math.h>
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#include <qimageblitz.h>
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KisProjectionBackend::~KisProjectionBackend()
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{
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}
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    Q_UNUSED(rect);
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    Q_UNUSED(scale);
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}
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void KisImagePatch::drawMe(QPainter &gc,
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                           const QRectF &dstRect,
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                           QPainter::RenderHints renderHints)
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{
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    gc.save();
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    gc.setCompositionMode(QPainter::CompositionMode_Source);
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    gc.setRenderHints(renderHints, true);
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    gc.drawImage(dstRect, m_image, m_interestRect);
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    gc.restore();
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    /**
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     * Just for debugging purposes
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     */
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    qreal scaleX = dstRect.width() / m_interestRect.width();
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    qreal scaleY = dstRect.height() / m_interestRect.height();
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    dbgRender << "## PATCH.DRAWME #####################";
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    dbgRender << ppVar(scaleX) << ppVar(scaleY);
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    dbgRender << ppVar(m_patchRect);
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    dbgRender << ppVar(m_interestRect);
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    dbgRender << ppVar(dstRect);
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    dbgRender << "## EODM #############################";
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}
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#define ceiledSize(sz) QSize(ceil((sz).width()), ceil((sz).height()))
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void KisImagePatch::prescaleWithBlitz(QRectF dstRect)
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{
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    qreal scaleX = dstRect.width() / m_interestRect.width();
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    qreal scaleY = dstRect.height() / m_interestRect.height();
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    QSize newImageSize = QSize(ceil(m_image.width() * scaleX),
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                               ceil(m_image.height() * scaleY));
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    // Calculating new _aligned_ scale
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    scaleX = qreal(newImageSize.width()) / m_image.width();
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    scaleY = qreal(newImageSize.height()) / m_image.height();
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    m_scaleX *= scaleX;
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    m_scaleY *= scaleY;
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    scaleRect(m_interestRect, scaleX, scaleY);
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    m_image = Blitz::smoothScale(m_image,
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                                 newImageSize,
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                                 Qt::IgnoreAspectRatio);
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    dbgRender << "## PATCH.PRESCALEBLITZ ############";
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    dbgRender << ppVar(scaleX) << ppVar(scaleY);
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    dbgRender << ppVar(newImageSize);
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    dbgRender << "## EOB ############################";
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}