The vtkQtChartColors class stores a list of colors.
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#include <vtkQtChartColors.h>
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static QColor | lighter (const QColor &color, float factor=0.7) |
| Creates a lighter color from the given color.
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static QColor | interpolateHsv (const QColor &color1, const QColor &color2, float fraction) |
| Gets a new color between the given colors in hsv space.
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static QColor | interpolateRgb (const QColor &color1, const QColor &color2, float fraction) |
| Gets a new color between the given colors in rgb space.
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The vtkQtChartColors class stores a list of colors.
Definition at line 36 of file vtkQtChartColors.h.
- Enumerator:
Spectrum |
7 different hues.
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Warm |
6 warm colors (red to yellow).
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Cool |
7 cool colors (green to purple).
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Blues |
7 different blues.
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WildFlower |
7 colors from blue to magenta.
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Citrus |
6 colors from green to orange.
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Custom |
User specified color scheme.
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Definition at line 39 of file vtkQtChartColors.h.
Creates a chart colors instance.
- Parameters
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scheme | The initial color scheme. |
Makes a copy of another chart colors instance.
- Parameters
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other | The chart colors to copy. |
vtkQtChartColors::~vtkQtChartColors |
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Makes a copy of another chart colors instance.
- Parameters
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other | The chart colors to copy. |
- Returns
- A reference to the object being assigned.
Gets the current color scheme.
- Returns
- The current color scheme.
Definition at line 73 of file vtkQtChartColors.h.
void vtkQtChartColors::setColorScheme |
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ColorScheme |
scheme | ) |
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Sets the color scheme.
The color scheme will automatically be changed to Custom
if the color list is modified.
- Parameters
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scheme | The new color scheme. |
int vtkQtChartColors::getNumberOfColors |
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const |
Gets the number of colors in the color list.
- Returns
- The number of colors in the color list.
QColor vtkQtChartColors::getColor |
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int |
index | ) |
const |
Gets the color for the given index.
- Returns
- The color for the given index.
void vtkQtChartColors::setColor |
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int |
index, |
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const QColor & |
color |
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Sets the color for the given index.
This method does nothing if the index is out of range.
- Parameters
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index | Which color to modify. |
color | The new color. |
void vtkQtChartColors::clearColors |
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Clears the list of colors.
void vtkQtChartColors::addColor |
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const QColor & |
color | ) |
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Adds a color to the list of colors.
- Parameters
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color | The new color to add. |
void vtkQtChartColors::insertColor |
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int |
index, |
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const QColor & |
color |
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Inserts a new color into the list of colors.
- Parameters
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index | Where to insert the new color. |
color | The new color to insert. |
void vtkQtChartColors::removeColor |
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int |
index | ) |
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Removes the color for the given index.
- Parameters
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index | Which color to remove from the list. |
static QColor vtkQtChartColors::lighter |
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const QColor & |
color, |
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float |
factor = 0.7 |
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static |
Creates a lighter color from the given color.
The QColor::light
method does not work for black. This function uses a 3D equation in rgb space to compute the lighter color, which works for all colors including black. the factor determines how light the new color will be. The factor is used to find the point between the current color and white.
- Parameters
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color | The starting color. |
factor | A percentage (0.0 to 1.0) of the distance from the given color to white. |
- Returns
- The new lighter color.
static QColor vtkQtChartColors::interpolateHsv |
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const QColor & |
color1, |
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const QColor & |
color2, |
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float |
fraction |
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static |
Gets a new color between the given colors in hsv space.
The interpolation does not wrap around in the hue component.
- Parameters
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color1 | The first color. |
color2 | The last color. |
fraction | The fraction (0.0 to 1.0) of the distance from color1 to color2 . |
- Returns
- The interpolated color.
static QColor vtkQtChartColors::interpolateRgb |
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const QColor & |
color1, |
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const QColor & |
color2, |
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float |
fraction |
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) |
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static |
Gets a new color between the given colors in rgb space.
- Parameters
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color1 | The first color. |
color2 | The last color. |
fraction | The fraction (0.0 to 1.0) of the distance from color1 to color2 . |
- Returns
- The interpolated color.
The documentation for this class was generated from the following file: