KisNormalPreviewWidget Class Reference

#include <kis_normal_preview_widget.h>

Inheritance diagram for KisNormalPreviewWidget:

Public Slots
void	setBlueChannel (int index)
void	setGreenChannel (int index)
void	setRedChannel (int index)

Public Member Functions
	KisNormalPreviewWidget (QWidget *parent=0)
	~KisNormalPreviewWidget () override

Private Member Functions
int	previewTransform (int const horizontal, int const vertical, int const depth, int index, int maxvalue)
QImage	swizzleTransformPreview (QImage preview)
void	updateImage ()

Private Attributes
int	m_blueChannel
QString	m_fileName
int	m_greenChannel
int	m_redChannel

Detailed Description

Definition at line 18 of file kis_normal_preview_widget.h.

Constructor & Destructor Documentation

KisNormalPreviewWidget()

KisNormalPreviewWidget::KisNormalPreviewWidget

(

QWidget *

parent = 0

)

Definition at line 16 of file kis_normal_preview_widget.cpp.

        : QLabel(parent)
{
    m_redChannel = 0;
    m_greenChannel = 2;
    m_blueChannel = 4;
    //TODO: this can be changed in frameworks to  KoResourcePaths::findResource("kis_images", "krita-tangentnormal.png");
    m_fileName = KoResourcePaths::findAsset("kis_images", "krita-tangentnormal-preview.png");
    QImage preview = QImage(m_fileName);
    setPixmap(QPixmap::fromImage(preview.scaled(200, 200, Qt::KeepAspectRatio, Qt::SmoothTransformation)));
}

References KoResourcePaths::findAsset(), m_blueChannel, m_fileName, m_greenChannel, and m_redChannel.

~KisNormalPreviewWidget()

KisNormalPreviewWidget::~KisNormalPreviewWidget ( )

override

Definition at line 28 of file kis_normal_preview_widget.cpp.

{
}

Member Function Documentation

previewTransform()

int KisNormalPreviewWidget::previewTransform ( int const horizontal, int const vertical, int const depth, int index, int maxvalue )

private

Definition at line 83 of file kis_normal_preview_widget.cpp.

{
    int component = 0;
    switch(index) {
    case 0: component = horizontal; break;
    case 1: component = maxvalue-horizontal; break;
    case 2: component = vertical; break;
    case 3: component = maxvalue-vertical; break;
    case 4: component = depth; break;
    case 5: component = maxvalue-depth; break;
    }
    return component;
}

setBlueChannel

void KisNormalPreviewWidget::setBlueChannel ( int index )

slot

Definition at line 48 of file kis_normal_preview_widget.cpp.

{
    if (index>=0 && index<6){
        m_blueChannel=index;
    }
    updateImage();
}

References m_blueChannel, and updateImage().

setGreenChannel

void KisNormalPreviewWidget::setGreenChannel ( int index )

slot

Definition at line 40 of file kis_normal_preview_widget.cpp.

{
    if (index>=0 && index<6){
        m_greenChannel=index;
    }
    updateImage();
}

References m_greenChannel, and updateImage().

setRedChannel

void KisNormalPreviewWidget::setRedChannel ( int index )

slot

Definition at line 32 of file kis_normal_preview_widget.cpp.

{
    if (index>=0 && index<6){
        m_redChannel=index;
    }
    updateImage();
}

References m_redChannel, and updateImage().

swizzleTransformPreview()

QImage KisNormalPreviewWidget::swizzleTransformPreview ( QImage preview )

private

Definition at line 64 of file kis_normal_preview_widget.cpp.

{
    int width = preview.width();
    int height = preview.height();
    QImage endPreview(preview.width(),preview.height(),QImage::Format_RGB32);
    for (int y=0; y<height; y++) {
        for (int x=0; x<width; x++) {
            QColor currentcolor = QColor(preview.pixel(x,y));
            int r, g, b =0;
            r = previewTransform(currentcolor.red(), currentcolor.green(), currentcolor.blue(), m_redChannel, 255);
            g = previewTransform(currentcolor.red(), currentcolor.green(), currentcolor.blue(), m_greenChannel, 255);
            b = previewTransform(currentcolor.red(), currentcolor.green(), currentcolor.blue(), m_blueChannel, 255);
            QRgb transformedColor = qRgb(r,g,b);
            endPreview.setPixel(x,y, transformedColor);
        }
    }
    return endPreview;
}

References m_blueChannel, m_greenChannel, m_redChannel, and previewTransform().

updateImage()

void KisNormalPreviewWidget::updateImage ( )

private

Definition at line 56 of file kis_normal_preview_widget.cpp.

{
    QImage preview = QImage(m_fileName);
    preview = swizzleTransformPreview (preview);
    setPixmap(QPixmap::fromImage(preview.scaled(200, 200, Qt::KeepAspectRatio, Qt::SmoothTransformation)));
    repaint();
}

References m_fileName, and swizzleTransformPreview().

Member Data Documentation

m_blueChannel

int KisNormalPreviewWidget::m_blueChannel

private

Definition at line 40 of file kis_normal_preview_widget.h.

m_fileName

QString KisNormalPreviewWidget::m_fileName

private

Definition at line 41 of file kis_normal_preview_widget.h.

m_greenChannel

int KisNormalPreviewWidget::m_greenChannel

private

Definition at line 39 of file kis_normal_preview_widget.h.

m_redChannel

int KisNormalPreviewWidget::m_redChannel

private

Definition at line 38 of file kis_normal_preview_widget.h.

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

• plugins/paintops/tangentnormal/kis_normal_preview_widget.h
• plugins/paintops/tangentnormal/kis_normal_preview_widget.cpp