KisCustomPattern Class Reference

#include <kis_custom_pattern.h>

Inheritance diagram for KisCustomPattern:

Signals
void	activatedResource (KoResourceSP)
void	patternAdded (KoResourceSP)
void	patternUpdated (KoResourceSP)

Public Member Functions
	KisCustomPattern (QWidget *parent, const char *name, const QString &caption, KisViewManager *view)
	~KisCustomPattern () override
Public Member Functions inherited from KisWdgCustomPattern
	KisWdgCustomPattern (QWidget *parent, const char *name)

Private Slots
void	slotAddPredefined ()
void	slotUpdateCurrentPattern ()
void	slotUsePattern ()

Private Member Functions
void	createPattern ()

Private Attributes
KoPatternSP	m_pattern
KoResourceServer< KoPattern > *	m_rServer {0}
KisViewManager *	m_view {0}

Detailed Description

Definition at line 32 of file kis_custom_pattern.h.

Constructor & Destructor Documentation

KisCustomPattern()

KisCustomPattern::KisCustomPattern	(	QWidget *	parent,
		const char *	name,
		const QString &	caption,
		KisViewManager *	view )

Definition at line 33 of file kis_custom_pattern.cc.

    : KisWdgCustomPattern(parent, name)
    , m_view(view)
{
    Q_ASSERT(m_view);
    setWindowTitle(caption);
 
    m_pattern = 0;
 
    preview->setScaledContents(true);
 
    m_rServer = KoResourceServerProvider::instance()->patternServer();
 
    connect(addButton, SIGNAL(pressed()), this, SLOT(slotAddPredefined()));
    connect(patternButton, SIGNAL(pressed()), this, SLOT(slotUsePattern()));
    connect(updateButton, SIGNAL(pressed()), this, SLOT(slotUpdateCurrentPattern()));
    connect(cmbSource, SIGNAL(currentIndexChanged(int)), this, SLOT(slotUpdateCurrentPattern()));
 
    lblWarning->setVisible(false);
    slotUpdateCurrentPattern();
}

References connect(), KoResourceServerProvider::instance(), m_pattern, m_rServer, m_view, KoResourceServerProvider::patternServer, slotAddPredefined(), slotUpdateCurrentPattern(), and slotUsePattern().

~KisCustomPattern()

KisCustomPattern::~KisCustomPattern ( )

override

Definition at line 55 of file kis_custom_pattern.cc.

{
    m_pattern.clear();
}

References m_pattern.

Member Function Documentation

activatedResource

void KisCustomPattern::activatedResource ( KoResourceSP )

signal

createPattern()

void KisCustomPattern::createPattern ( )

private

Definition at line 163 of file kis_custom_pattern.cc.

{
    if (!m_view) return;
 
    KisPaintDeviceSP dev;
    KisPaintDeviceSP cache;
    QString name;
    KisImageWSP image = m_view->image();
    if (!image) return;
    QRect rc = image->bounds();
 
    if (cmbSource->currentIndex() == 0) {
        dev = m_view->activeNode()->projection();
        name = m_view->activeNode()->name();
        QRect rc2 = dev->exactBounds();
        rc = rc.intersected(rc2);
    }
    else {
        image->barrierLock();
        dev = image->projection();
        image->unlock();
        name = image->objectName();
    }
    if (!dev) return;
 
    if(m_view->selection()) {
        KisSelectionSP selection = m_view->selection();
        QRect selectionRect = selection->selectedExactRect();
        cache = dev->createCompositionSourceDevice();
        KisPainter gc(cache);
        gc.setSelection(selection);
        gc.bitBlt(selectionRect.topLeft(), dev, selectionRect);
        rc = selectionRect;
    } else {
        cache = dev;
    }
    if (!cache) return;
 
 
    // warn when creating large patterns
 
    QSize size = rc.size();
    if (size.height() > 1000 || size.width() > 1000) {
        lblWarning->setVisible(true);
        size.scale(1000, 1000, Qt::KeepAspectRatio);
    }
    else {
        lblWarning->setVisible(false);
    }
 
    QString dir = KoResourceServerProvider::instance()->patternServer()->saveLocation();
    m_pattern = KoPatternSP(new KoPattern(cache->createThumbnail(size.width(), size.height(), rc, /*oversample*/ 1,
                                                                 KoColorConversionTransformation::internalRenderingIntent(),
                                                                 KoColorConversionTransformation::internalConversionFlags()), name, dir));
}

References KisViewManager::activeNode(), KisImage::barrierLock(), KisPainter::bitBlt(), KisImage::bounds(), KisPaintDevice::createCompositionSourceDevice(), KisPaintDevice::createThumbnail(), KisPaintDevice::exactBounds(), KisViewManager::image(), KoResourceServerProvider::instance(), KoColorConversionTransformation::internalConversionFlags(), KoColorConversionTransformation::internalRenderingIntent(), m_pattern, m_view, KisBaseNode::name(), KoResourceServerProvider::patternServer, KisImage::projection(), KisBaseNode::projection(), KoResourceServer< T >::saveLocation(), KisSelection::selectedExactRect(), KisViewManager::selection(), KisPainter::setSelection(), and KisImage::unlock().

patternAdded

void KisCustomPattern::patternAdded ( KoResourceSP )

signal

patternUpdated

void KisCustomPattern::patternUpdated ( KoResourceSP )

signal

slotAddPredefined

void KisCustomPattern::slotAddPredefined ( )

privateslot

Definition at line 92 of file kis_custom_pattern.cc.

{
    if (!m_pattern) return;
 
    // Save in the directory that is likely to be: ~/.kde/share/apps/krita/patterns
    // a unique file with this pattern name
    QString dir = KoResourceServerProvider::instance()->patternServer()->saveLocation();
 
    KoFileDialog dlg(this, KoFileDialog::SaveFile, "KisCustomPattern::slotAddPredefined");
    dlg.setDefaultDir(dir + "/" + m_pattern->name() + ".pat");
    dlg.setMimeTypeFilters(KisResourceLoaderRegistry::instance()->mimeTypes(ResourceType::Patterns));
    dlg.setCaption(i18n("Add to Predefined Patterns"));
 
    QString filename = dlg.filename();
 
    if (filename == "") {
        // dialog was cancelled
        return;
    }
    bool hadToChangeFilename = false;
 
    QFileInfo fi(filename);
    if (fi.suffix().isEmpty()) {
        fi.setFile(fi.baseName() + m_pattern->defaultFileExtension());
        hadToChangeFilename = true;
    }
 
    if (fi.baseName() != m_pattern->name()) {
        m_pattern->setName(fi.baseName());
    }
 
    bool overwrite = false;
    if (fi.exists()) {
        if (hadToChangeFilename) { // if not, the File Dialog would show the warning
            if (QMessageBox::warning(this,  i18nc("@title:window", "Krita"), i18n("This pattern already exists. Do you want to overwrite it?"), QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes) {
                overwrite = true;
            }
        } else { // the File Dialog showed the warning and the user said "yeah fine"
            overwrite = true;
        }
    }
 
    if (!filename.isEmpty()) {
        m_pattern->setFilename(fi.fileName()); // to make sure we include the suffix added earlier
        if (!fi.exists()) {
            if (!KisResourceUserOperations::addResourceWithUserInput(this, m_pattern->clone().dynamicCast<KoPattern>())) {
                qWarning() << "Could not add pattern with filename" << filename;
            }
            else {
                Q_EMIT patternAdded(m_pattern);
            }
        }
        else if (overwrite) {
            if (!KisResourceUserOperations::updateResourceWithUserInput(this, m_pattern->clone().dynamicCast<KoPattern>())) {
                qWarning() << "Could not add pattern with filename" << filename;
            }
            else {
                Q_EMIT patternUpdated(m_pattern);
            }
        }
    }
}

References KisResourceUserOperations::addResourceWithUserInput(), KoFileDialog::filename(), KisResourceLoaderRegistry::instance(), KoResourceServerProvider::instance(), m_pattern, patternAdded(), ResourceType::Patterns, KoResourceServerProvider::patternServer, patternUpdated(), KoFileDialog::SaveFile, KoResourceServer< T >::saveLocation(), KoFileDialog::setCaption(), KoFileDialog::setDefaultDir(), KoFileDialog::setMimeTypeFilters(), and KisResourceUserOperations::updateResourceWithUserInput().

slotUpdateCurrentPattern

void KisCustomPattern::slotUpdateCurrentPattern ( )

privateslot

Definition at line 60 of file kis_custom_pattern.cc.

{
    m_pattern.clear();
    if (m_view && m_view->image()) {
        createPattern();
        if (m_pattern) {
            const qint32 maxSize = 150;
            if ((m_pattern->width() > maxSize) || (m_pattern->height() > maxSize)) {
                float aspectRatio = (float)m_pattern->width() / m_pattern->height();
                qint32 scaledWidth, scaledHeight;
 
                if (m_pattern->width() > m_pattern->height()) {
                    scaledWidth = maxSize;
                    scaledHeight = maxSize / aspectRatio;
                } else {
                    scaledWidth = maxSize * aspectRatio;
                    scaledHeight = maxSize;
                }
 
                if (scaledWidth == 0) scaledWidth++;
                if (scaledHeight == 0) scaledHeight++;
 
                QPixmap scaledPixmap = QPixmap::fromImage(m_pattern->pattern());
                preview->setPixmap(scaledPixmap.scaled(scaledWidth, scaledHeight, Qt::KeepAspectRatio, Qt::SmoothTransformation));
            } else {
                preview->setPixmap(QPixmap::fromImage(m_pattern->pattern()));
            }
        }
    }
 
}

References createPattern(), KisViewManager::image(), m_pattern, and m_view.

slotUsePattern

void KisCustomPattern::slotUsePattern ( )

privateslot

Definition at line 155 of file kis_custom_pattern.cc.

{
    if (!m_pattern)
        return;
    KoPatternSP copy = m_pattern->clone().dynamicCast<KoPattern>();
    emit(activatedResource(copy));
}

References activatedResource(), and m_pattern.

Member Data Documentation

m_pattern

KoPatternSP KisCustomPattern::m_pattern

private

Definition at line 52 of file kis_custom_pattern.h.

m_rServer

KoResourceServer<KoPattern>* KisCustomPattern::m_rServer {0}

private

Definition at line 53 of file kis_custom_pattern.h.

{0};

m_view

KisViewManager* KisCustomPattern::m_view {0}

private

Definition at line 51 of file kis_custom_pattern.h.

{0};

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The documentation for this class was generated from the following files:

• libs/ui/kis_custom_pattern.h
• libs/ui/kis_custom_pattern.cc