KisWdgOptionsHeightmap Class Reference

#include <kis_wdg_options_heightmap.h>

Inheritance diagram for KisWdgOptionsHeightmap:

Signals
void	statusUpdated (bool status)
Signals inherited from KisConfigWidget
void	sigConfigurationItemChanged ()
void	sigConfigurationUpdated ()
void	sigDropLockedConfig (KisPropertiesConfigurationSP p)
void	sigSaveLockedConfig (KisPropertiesConfigurationSP p)

Public Member Functions
	KisWdgOptionsHeightmap (QWidget *parent)
	KisWdgOptionsHeightmap (QWidget *parent, bool export_mode)
Public Member Functions inherited from KisConfigWidget
virtual KoCanvasResourcesInterfaceSP	canvasResourcesInterface () const
virtual void	setCanvasResourcesInterface (KoCanvasResourcesInterfaceSP canvasResourcesInterface)
virtual void	setView (KisViewManager *view)
	~KisConfigWidget () override

Protected Member Functions
KisPropertiesConfigurationSP	configuration () const override
void	setConfiguration (const KisPropertiesConfigurationSP cfg) override
void	showEvent (QShowEvent *event) override
Protected Member Functions inherited from KisConfigWidget
	KisConfigWidget (QWidget *parent=0, Qt::WindowFlags f=Qt::WindowFlags(), int delay=200)

Private Slots
void	guessDimensions ()
void	heightChanged (int i)
void	widthChanged (int i)

Private Member Functions
void	updateStatus ()

Private Attributes
bool	m_exportMode

Detailed Description

Definition at line 13 of file kis_wdg_options_heightmap.h.

Constructor & Destructor Documentation

KisWdgOptionsHeightmap() [1/2]

KisWdgOptionsHeightmap::KisWdgOptionsHeightmap ( QWidget * parent )

explicit

Definition at line 30 of file kis_wdg_options_heightmap.cpp.

    : KisWdgOptionsHeightmap(parent, false)
{
}

KisWdgOptionsHeightmap() [2/2]

KisWdgOptionsHeightmap::KisWdgOptionsHeightmap ( QWidget * parent, bool export_mode )

explicit

Definition at line 35 of file kis_wdg_options_heightmap.cpp.

    : KisConfigWidget(parent)
    , m_exportMode(export_mode)
{
    setupUi(this);
 
    if (m_exportMode) {
        dimensionsGroupBox->setVisible(false);
        fileSizeDescLabel->setVisible(false);
        fileSizeLabel->setVisible(false);
        bppDescLabel->setVisible(false);
        bppLabel->setVisible(false);
    }
    else {
        connect(guessButton, SIGNAL(clicked(bool)), this, SLOT(guessDimensions()));
        connect(widthInput, SIGNAL(valueChanged(int)), this, SLOT(widthChanged(int)));
        connect(heightInput, SIGNAL(valueChanged(int)), this, SLOT(heightChanged(int)));
    }
}

References connect(), guessDimensions(), heightChanged(), m_exportMode, and widthChanged().

Member Function Documentation

configuration()

KisPropertiesConfigurationSP KisWdgOptionsHeightmap::configuration ( ) const

overrideprotectedvirtual

Returns

the configuration

Implements KisConfigWidget.

Definition at line 66 of file kis_wdg_options_heightmap.cpp.

{
    KisPropertiesConfigurationSP cfg = new KisPropertiesConfiguration();
    if (radioBig->isChecked()) {
        cfg->setProperty("endianness", 0);
    }
    else {
        cfg->setProperty("endianness", 1);
    }
    return cfg;
}

guessDimensions

void KisWdgOptionsHeightmap::guessDimensions ( )

privateslot

Definition at line 140 of file kis_wdg_options_heightmap.cpp.

{
    quint32 w = widthInput->value();
    quint32 h = heightInput->value();
 
    bool ok;
    quint32 fileSize = fileSizeLabel->text().toUInt(&ok);
    KIS_ASSERT_RECOVER_RETURN(ok);
 
    quint32 depth = bppLabel->text().toUInt(&ok);
    KIS_ASSERT_RECOVER_RETURN(ok);
 
    quint32 bytesPerPixel = depth / 8;
 
    w = widthInput->text().toUInt(&ok);
    KIS_ASSERT_RECOVER_RETURN(ok);
 
    h = heightInput->text().toUInt(&ok);
    KIS_ASSERT_RECOVER_RETURN(ok);
 
    quint32 dimensions = fileSize / bytesPerPixel;
 
    if (w > 0 && h > 0) {
        if (w * h == dimensions) {
            // toggle landscape/portrait orientation
            widthInput->setValue(h);
            heightInput->setValue(w);
        }
    }
    else if (w == 0 && h == 0) {
        quint32 r = (quint32)(qFloor(qSqrt(dimensions) + 0.5));
 
        // First guess, square image?
        if (r*r == dimensions) {
            widthInput->setValue(r);
            heightInput->setValue(r);
        }
        else {
            // second guess, power of two?
            w = prevPow2(r);
            h = dimensions / w + (dimensions % w);
            if (w * h != dimensions) {
                showErrorTooltip(i18n("Too many possible combinations. Input a width or height and try again."));
                return;
            }
 
            // prefer landscape orientation
            widthInput->setValue(w > h ? w : h);
            heightInput->setValue(w > h ? h : w);
 
            // TODO: cycle through other pow2 combinations if called multiple times?
        }
    }
    else if (w > 0) {
        if (w > dimensions) {
            showErrorTooltip(i18n("Width exceeds available pixels."));
            return;
        }
        h = dimensions / w + (dimensions % w);
        if (w * h != dimensions) {
            showErrorTooltip(i18n("Unable to calculate an appropriate height. File does not contain enough pixels to form a rectangle."));
            return;
        }
        heightInput->setValue(h);
    }
    else {
        if (h > dimensions) {
            showErrorTooltip(i18n("Height exceeds available pixels."));
            return;
        }
        w = dimensions / h + (dimensions % h);
        if (w * h != dimensions) {
            showErrorTooltip(i18n("Unable to calculate an appropriate width. File does not contain enough pixels to form a rectangle."));
            return;
        }
        widthInput->setValue(w);
    }
}

References KIS_ASSERT_RECOVER_RETURN, prevPow2(), and showErrorTooltip().

heightChanged

void KisWdgOptionsHeightmap::heightChanged ( int i )

privateslot

Definition at line 134 of file kis_wdg_options_heightmap.cpp.

{
    Q_UNUSED(i);
    updateStatus();
}

References updateStatus().

setConfiguration()

void KisWdgOptionsHeightmap::setConfiguration ( const KisPropertiesConfigurationSP config )

overrideprotectedvirtual

Parameters

config

the configuration for this configuration widget.

Implements KisConfigWidget.

Definition at line 55 of file kis_wdg_options_heightmap.cpp.

{
    int endianness = cfg->getInt("endianness", 1);
    if (endianness == 0) {
        radioBig->setChecked(true);
    }
    else {
        radioLittle->setChecked(true);
    }
}

showEvent()

void KisWdgOptionsHeightmap::showEvent ( QShowEvent * event )

overrideprotected

Definition at line 78 of file kis_wdg_options_heightmap.cpp.

{
    updateStatus();
    QWidget::showEvent(event);
}

References updateStatus().

statusUpdated

void KisWdgOptionsHeightmap::statusUpdated ( bool status )

signal

updateStatus()

void KisWdgOptionsHeightmap::updateStatus ( )

private

Definition at line 84 of file kis_wdg_options_heightmap.cpp.

{
    if (m_exportMode)
        return;
    bool ok;
    int fileSize = fileSizeLabel->text().toInt(&ok);
    KIS_ASSERT_RECOVER_RETURN(ok);
    KIS_ASSERT_RECOVER_RETURN(fileSize > 0);
    int w = widthInput->value();
    int h = heightInput->value();
 
    quint32 depth = bppLabel->text().toUInt(&ok);
    KIS_ASSERT_RECOVER_RETURN(ok);
 
    QString old_status = statusLabel->text();
 
    int bytesPerPixel = depth / 8;
    int dataSize = w * h * bytesPerPixel;
 
    bool status_ok = false;
 
    QString fileMismatch = i18n("Input does not match file size");
    if (w == 0 && h == 0) {
        statusLabel->setText(i18n("Please specify width and height"));
    }
    else if (w == 0) {
        statusLabel->setText(i18n("Please specify width"));
    }
    else if (h == 0) {
        statusLabel->setText(i18n("Please specify height"));
    }
    else if (dataSize != fileSize) {
        statusLabel->setText(fileMismatch);
    }
    else {
        statusLabel->setText("");
        status_ok = true;
    }
 
    if (old_status.compare(statusLabel->text()) != 0) {
        Q_EMIT statusUpdated(status_ok);
    }
}

References KIS_ASSERT_RECOVER_RETURN, m_exportMode, and statusUpdated().

widthChanged

void KisWdgOptionsHeightmap::widthChanged ( int i )

privateslot

Definition at line 128 of file kis_wdg_options_heightmap.cpp.

{
    Q_UNUSED(i);
    updateStatus();
}

References updateStatus().

Member Data Documentation

m_exportMode

bool KisWdgOptionsHeightmap::m_exportMode

private

Definition at line 36 of file kis_wdg_options_heightmap.h.

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

• plugins/impex/heightmap/kis_wdg_options_heightmap.h
• plugins/impex/heightmap/kis_wdg_options_heightmap.cpp