mixer_slider_docker.color_slider.ColorSlider Class Reference

Inheritance diagram for mixer_slider_docker.color_slider.ColorSlider:

Public Member Functions
	__init__ (self, docker, left_color=default_color, right_color=default_color, parent=None)
	adjust_pos_x (self, x)
	mouseMoveEvent (self, event)
	mouseReleaseEvent (self, event)
	paintEvent (self, event)
	resizeEvent (self, event)
	set_color (self, pos, color)
	update_slider (self)

Public Attributes
	cursor_fill_color
	cursor_outline_color
	docker
	left_color
	need_redraw
	rendered_image
	right_color
	slider_pixmap
	value_x

Static Public Attributes
	default_color = ManagedColor("", "", "")

Detailed Description

Definition at line 19 of file color_slider.py.

Constructor & Destructor Documentation

__init__()

mixer_slider_docker.color_slider.ColorSlider.__init__	(		self,
			docker,
			left_color = default_color,
			right_color = default_color,
			parent = None )

Definition at line 22 of file color_slider.py.

    def __init__(self, docker, left_color=default_color, right_color=default_color, parent=None):
        super(ColorSlider, self).__init__(parent)
        self.docker = docker
        self.left_color = left_color
        self.right_color = right_color
        self.slider_pixmap = None
        self.value_x = None
        self.cursor_fill_color = QColor.fromRgbF(1, 1, 1, 1)
        self.cursor_outline_color = QColor.fromRgbF(0, 0, 0, 1)
        self.need_redraw = True
 

References mixer_slider_docker.color_slider.ColorSlider.__init__().

Member Function Documentation

adjust_pos_x()

mixer_slider_docker.color_slider.ColorSlider.adjust_pos_x	(		self,
			x )

Definition at line 110 of file color_slider.py.

    def adjust_pos_x(self, x):  # adjust the x to make it in the range of [0, width - 1]
        if x < 0:
            return 0
        if x >= self.width():
            return self.width() - 1
        return x
 

References KisBrush::Private.width, GimpBrushV1Header.width, KoCSSFontInfo.width, DlgCanvasSize.width(), KisBrush.width(), GimpBrushHeader.width, KoSvgText::FontFeatureEastAsian.width, KisFillInterval.width(), KisMaskGenerator.width(), KisConvolutionKernel.width(), KisImage::KisImagePrivate.width, KisImage.width(), Document.width(), Selection.width(), GimpPatternHeader.width, KoPattern.width(), PSDHeader.width, psd_pattern.width, KisAnimationRenderingOptions.width, KisBasicVideoInfo.width, KisPNGReaderAbstract.width, KisApplicationArguments.width, KisGLTexturesInfo.width, KisColorSelectorComponent.width(), KisGLImageF16.width(), Header.width, SpriterFile.width, Bone.width, TgaHeader.width, KisBufferStreamBase.width(), KisBufferStreamContigBase.width(), KisBufferStreamSeparate.width(), KisBufferStreamInterleaveUpsample.width(), KisTiffBasicInfo.width, tileDimensions.width, xcfImage.width, KisDabCacheBase::SavedDabParameters.width, KarbonCalligraphicPoint.width(), and KarbonCalligraphyOptionWidget::Profile.width.

mouseMoveEvent()

mixer_slider_docker.color_slider.ColorSlider.mouseMoveEvent	(		self,
			event )

Definition at line 117 of file color_slider.py.

    def mouseMoveEvent(self, event):
        pos = event.pos()
        self.value_x = self.adjust_pos_x(pos.x())
        self.update()
 

References mixer_slider_docker.color_slider.ColorSlider.adjust_pos_x(), KoPathToolSelection.update(), QSBR.update(), KisImageCommand::UpdateTarget.update(), KisUpdateCommand.update(), KisGeneratorLayer.update(), KisBusyProgressIndicator.update(), Shape.update(), KisFilterSelectorWidget.update(), KisIntegerColorInput.update(), KisFloatColorInput.update(), KisHexColorInput.update(), KisHsvColorInput.update(), KoProgressUpdater.update(), KisColorSelectorComponent.update(), KisSpecificColorSelectorWidget.update(), KoShape.update(), KoShapeContainer.update(), KoShapeContainer.update(), KisTextureTile.update(), KoShapeManager.update(), KisToolBasicBrushBase.update(), KisStabilizerDelayedPaintHelper.update(), KisGradientChooser.update(), KisPatternChooser.update(), KisSeExprScriptChooser.update(), KoLoadingShapeUpdater.update(), krita.sceditor.widget.EditorSidebar.update, and mixer_slider_docker.color_slider.ColorSlider.value_x.

mouseReleaseEvent()

mixer_slider_docker.color_slider.ColorSlider.mouseReleaseEvent	(		self,
			event )

Definition at line 122 of file color_slider.py.

    def mouseReleaseEvent(self, event):
        pos = event.pos()
        self.value_x = self.adjust_pos_x(pos.x())
        y = int(self.height() / 2)
        fixed_pos = QPoint(self.value_x, y)
        color = self.rendered_image.pixelColor(fixed_pos)
        mc = self.docker.qcolor_to_managedcolor(color)
        if self.docker.canvas() is not None:
            if self.docker.canvas().view() is not None:
                self.docker.canvas().view().setForeGroundColor(mc)
        self.update()

References mixer_slider_docker.color_slider.ColorSlider.adjust_pos_x(), mixer_slider_docker.color_slider.ColorSlider.docker, mixer_slider_docker.slider_line.SliderLine.docker, mixer_slider_docker.ui_mixer_slider_docker.UIMixerSliderDocker.docker, KisBrush::Private.height, KisBrush.height(), GimpBrushV1Header.height, GimpBrushHeader.height, KisMaskGenerator.height(), KisConvolutionKernel.height(), KisImage::KisImagePrivate.height, KisImage.height(), Document.height(), Selection.height(), GimpPatternHeader.height, KoPattern.height(), Header.height, PSDHeader.height, psd_pattern.height, KisAnimationRenderingOptions.height, KisBasicVideoInfo.height, DlgCanvasSize.height(), KisPNGReaderAbstract.height, KisApplicationArguments.height, KisGLTexturesInfo.height, KisColorSelectorComponent.height(), KisGLImageF16.height(), SpriterFile.height, Bone.height, TgaHeader.height, KisTiffBasicInfo.height, tileDimensions.height, xcfImage.height, KisDabCacheBase::SavedDabParameters.height, mixer_slider_docker.color_slider.ColorSlider.rendered_image, KoPathToolSelection.update(), QSBR.update(), KisImageCommand::UpdateTarget.update(), KisUpdateCommand.update(), KisGeneratorLayer.update(), KisBusyProgressIndicator.update(), Shape.update(), KisFilterSelectorWidget.update(), KisIntegerColorInput.update(), KisFloatColorInput.update(), KisHexColorInput.update(), KisHsvColorInput.update(), KoProgressUpdater.update(), KisColorSelectorComponent.update(), KisSpecificColorSelectorWidget.update(), KoShape.update(), KoShapeContainer.update(), KoShapeContainer.update(), KisTextureTile.update(), KoShapeManager.update(), KisStabilizerDelayedPaintHelper.update(), KisGradientChooser.update(), KisPatternChooser.update(), KisSeExprScriptChooser.update(), KoLoadingShapeUpdater.update(), krita.sceditor.widget.EditorSidebar.update, KisToolBasicBrushBase.update(), and mixer_slider_docker.color_slider.ColorSlider.value_x.

paintEvent()

mixer_slider_docker.color_slider.ColorSlider.paintEvent	(		self,
			event )

Definition at line 104 of file color_slider.py.

    def paintEvent(self, event):
        self.update_slider()
 

References mixer_slider_docker.color_slider.ColorSlider.update_slider().

resizeEvent()

mixer_slider_docker.color_slider.ColorSlider.resizeEvent	(		self,
			event )

Definition at line 107 of file color_slider.py.

    def resizeEvent(self, event):  # after resizing the widget, force-redraw the underlying slider
        self.need_redraw = True
 

References mixer_slider_docker.color_slider.ColorSlider.need_redraw.

set_color()

mixer_slider_docker.color_slider.ColorSlider.set_color	(		self,
			pos,
			color )

Definition at line 33 of file color_slider.py.

    def set_color(self, pos, color):
        if pos == 'left':
            if self.left_color is not color:
                self.left_color = color
                self.need_redraw = True
        else:
            if self.right_color is not color:
                self.right_color = color
                self.need_redraw = True
 

References mixer_slider_docker.color_slider.ColorSlider.left_color, mixer_slider_docker.color_slider.ColorSlider.need_redraw, and mixer_slider_docker.color_slider.ColorSlider.right_color.

update_slider()

mixer_slider_docker.color_slider.ColorSlider.update_slider

(

self

)

Update the slider to a gradient between the two colors.

The painting of the slider comes from the program Krita. The original code can be accessed
at the following URL.
https://github.com/KDE/krita/blob/master/plugins/dockers/advancedcolorselector/kis_shade_selector_line.cpp

Definition at line 43 of file color_slider.py.

    def update_slider(self):
        '''
        Update the slider to a gradient between the two colors.
 
        The painting of the slider comes from the program Krita. The original code can be accessed
        at the following URL.
        https://github.com/KDE/krita/blob/master/plugins/dockers/advancedcolorselector/kis_shade_selector_line.cpp
        '''
        if self.need_redraw:
            patch_count = self.width()
            base_hsva = list(self.docker.managedcolor_to_qcolor(self.left_color).getHsvF())
            dest_hsva = list(self.docker.managedcolor_to_qcolor(self.right_color).getHsvF())
            diff_hsva = [(dest_hsva[i] - base_hsva[i]) for i in range(4)]
            if dest_hsva[0] == -1.0:
                diff_hsva[0] = 0
            elif base_hsva[0] == -1.0:
                diff_hsva[0] = 0
                base_hsva[0] = dest_hsva[0]
            elif diff_hsva[0] > 0.5:  # make sure the sliding goes through a minor arc
                diff_hsva[0] = diff_hsva[0] - 1.0
            elif diff_hsva[0] < -0.5:
                diff_hsva[0] = diff_hsva[0] + 1.0
 
            step_hsva = [x / patch_count for x in diff_hsva]
 
            self.slider_pixmap = QPixmap(self.width(), self.height())
            painter = QPainter(self.slider_pixmap)
 
            for i in range(patch_count):
                hue = base_hsva[0] + i * step_hsva[0]
                while hue < 0.0:
                    hue += 1.0
 
                while hue > 1.0:
                    hue -= 1.0
 
                saturation = base_hsva[1] + i * step_hsva[1]
                value = base_hsva[2] + i * step_hsva[2]
                cur_color = QColor.fromHsvF(hue, saturation, value)
                painter.fillRect(i, 0, 1, self.height(), cur_color)
 
            painter.end()
 
            self.need_redraw = False
 
        widget_painter = QPainter(self)
        self.rendered_image = self.slider_pixmap.toImage()
 
        widget_painter.drawImage(0, 0, self.rendered_image)
        if self.value_x is not None:
            start_x = int(self.value_x)
            start_y = int(self.height() / 2)
            delta_x = int(self.height() / 3)
            delta_y = int(self.height() / 3)
            points = [QPoint(start_x, start_y),
                      QPoint(start_x - delta_x, start_y + delta_y),
                      QPoint(start_x + delta_x, start_y + delta_y)]
            widget_painter.setBrush(QBrush(self.cursor_fill_color))
            widget_painter.setPen(self.cursor_outline_color)
            widget_painter.drawPolygon(QPolygon(points))
 

References mixer_slider_docker.color_slider.ColorSlider.docker, mixer_slider_docker.slider_line.SliderLine.docker, mixer_slider_docker.ui_mixer_slider_docker.UIMixerSliderDocker.docker, KisBrush::Private.height, GimpBrushV1Header.height, GimpBrushHeader.height, KisImage::KisImagePrivate.height, GimpPatternHeader.height, PSDHeader.height, psd_pattern.height, KisAnimationRenderingOptions.height, KisBasicVideoInfo.height, DlgCanvasSize.height(), KisBrush.height(), KisMaskGenerator.height(), KisConvolutionKernel.height(), KisImage.height(), Document.height(), Selection.height(), KoPattern.height(), Header.height, KisPNGReaderAbstract.height, KisApplicationArguments.height, KisGLTexturesInfo.height, KisColorSelectorComponent.height(), KisGLImageF16.height(), SpriterFile.height, Bone.height, TgaHeader.height, KisTiffBasicInfo.height, tileDimensions.height, xcfImage.height, KisDabCacheBase::SavedDabParameters.height, mixer_slider_docker.color_slider.ColorSlider.left_color, mixer_slider_docker.color_slider.ColorSlider.need_redraw, mixer_slider_docker.color_slider.ColorSlider.right_color, mixer_slider_docker.color_slider.ColorSlider.slider_pixmap, KisBrush::Private.width, KisBrush.width(), GimpBrushV1Header.width, GimpBrushHeader.width, KoCSSFontInfo.width, KoSvgText::FontFeatureEastAsian.width, DlgCanvasSize.width(), KisFillInterval.width(), KisMaskGenerator.width(), KisConvolutionKernel.width(), KisImage::KisImagePrivate.width, KisImage.width(), Document.width(), Selection.width(), GimpPatternHeader.width, KoPattern.width(), Header.width, PSDHeader.width, psd_pattern.width, KisAnimationRenderingOptions.width, KisBasicVideoInfo.width, KisPNGReaderAbstract.width, KisApplicationArguments.width, KisGLTexturesInfo.width, KisColorSelectorComponent.width(), KisGLImageF16.width(), SpriterFile.width, Bone.width, TgaHeader.width, KisBufferStreamContigBase.width(), KisBufferStreamInterleaveUpsample.width(), KisTiffBasicInfo.width, tileDimensions.width, xcfImage.width, KisDabCacheBase::SavedDabParameters.width, KarbonCalligraphicPoint.width(), KisBufferStreamBase.width(), KisBufferStreamSeparate.width(), and KarbonCalligraphyOptionWidget::Profile.width.

Member Data Documentation

cursor_fill_color

mixer_slider_docker.color_slider.ColorSlider.cursor_fill_color

Definition at line 29 of file color_slider.py.

cursor_outline_color

mixer_slider_docker.color_slider.ColorSlider.cursor_outline_color

Definition at line 30 of file color_slider.py.

default_color

mixer_slider_docker.color_slider.ColorSlider.default_color = ManagedColor("", "", "")

static

Definition at line 20 of file color_slider.py.

docker

mixer_slider_docker.color_slider.ColorSlider.docker

Definition at line 24 of file color_slider.py.

left_color

mixer_slider_docker.color_slider.ColorSlider.left_color

Definition at line 25 of file color_slider.py.

need_redraw

mixer_slider_docker.color_slider.ColorSlider.need_redraw

Definition at line 31 of file color_slider.py.

rendered_image

mixer_slider_docker.color_slider.ColorSlider.rendered_image

Definition at line 89 of file color_slider.py.

right_color

mixer_slider_docker.color_slider.ColorSlider.right_color

Definition at line 26 of file color_slider.py.

slider_pixmap

mixer_slider_docker.color_slider.ColorSlider.slider_pixmap

Definition at line 27 of file color_slider.py.

value_x

mixer_slider_docker.color_slider.ColorSlider.value_x

Definition at line 28 of file color_slider.py.

---

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

• plugins/python/mixer_slider_docker/color_slider.py