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PixelPaint: Introduce a vectorscope

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Vectorscopes are a standard tool in professional video/film color
grading. *Very* simply, the Vectorscope shows image colors with hue as
the angle and saturation as the radius; brightness for each point in the
scope is determined by the number of "color vectors" at that point. More
specifically, the Vectorscope shows a 2D UV histogram of the image,
where U and V are the chroma ("color") channels of the image.

Co-authored-by: MacDue <macdue@dueutil.tech>
This commit is contained in:
kleines Filmröllchen 2022-08-17 12:18:16 +02:00 • committed by Linus Groh
parent f9b08272db
commit c1c2e6f7d7
6 changed files with 295 additions and 0 deletions
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2
Userland/Applications/PixelPaint/MainWidget.h
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@ -19,6 +19,7 @@
#include "ToolPropertiesWidget.h"
#include "ToolboxWidget.h"
#include "Tools/Tool.h"
#include "VectorscopeWidget.h"
#include <LibGUI/Action.h>
#include <LibGUI/ComboBox.h>
#include <LibGUI/Forward.h>
@ -62,6 +63,7 @@ private:
RefPtr<ToolboxWidget> m_toolbox;
RefPtr<PaletteWidget> m_palette_widget;
RefPtr<HistogramWidget> m_histogram_widget;
RefPtr<VectorscopeWidget> m_vectorscope_widget;
RefPtr<LayerListWidget> m_layer_list_widget;
RefPtr<LayerPropertiesWidget> m_layer_properties_widget;
RefPtr<ToolPropertiesWidget> m_tool_properties_widget;