163 lines
4.6 KiB
C++
163 lines
4.6 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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AColor.h
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Dominic Mazzoni
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Manages color brushes and pens and provides utility
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drawing functions
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**********************************************************************/
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#ifndef __AUDACITY_COLOR__
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#define __AUDACITY_COLOR__
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#include "MemoryX.h"
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#include <wx/brush.h>
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#include <wx/pen.h>
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class wxDC;
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class wxRect;
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struct DCUnchanger {
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public:
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DCUnchanger() {}
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DCUnchanger(const wxBrush &brush_, const wxPen &pen_, long logicalOperation_)
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: brush(brush_), pen(pen_), logicalOperation(logicalOperation_)
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{}
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void operator () (wxDC *pDC) const;
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wxBrush brush {};
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wxPen pen {};
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long logicalOperation {};
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};
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// Like wxDCPenChanger, etc., but simple and general
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// Make temporary drawing context changes that you back out of, RAII style
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class ADCChanger : public std::unique_ptr<wxDC, ::DCUnchanger>
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{
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using Base = std::unique_ptr<wxDC, ::DCUnchanger>;
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public:
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ADCChanger() : Base{} {}
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ADCChanger(wxDC *pDC);
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};
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class AColor {
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public:
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enum ColorGradientChoice {
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ColorGradientUnselected = 0,
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ColorGradientTimeSelected,
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ColorGradientTimeAndFrequencySelected,
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ColorGradientEdge,
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ColorGradientTotal // keep me last
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};
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static void Init();
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static void ReInit();
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static void Arrow(wxDC & dc, wxCoord x, wxCoord y, int width, bool down = true);
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static void Line(wxDC & dc, wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2);
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static void DrawFocus(wxDC & dc, wxRect & r);
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static void Bevel(wxDC & dc, bool up, const wxRect & r);
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static void Bevel2(wxDC & dc, bool up, const wxRect & r);
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static void BevelTrackInfo(wxDC & dc, bool up, const wxRect & r);
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static wxColour Blend(const wxColour & c1, const wxColour & c2);
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static void UseThemeColour( wxDC * dc, int iIndex );
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static void TrackPanelBackground(wxDC * dc, bool selected);
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static void Light(wxDC * dc, bool selected);
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static void Medium(wxDC * dc, bool selected);
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static void MediumTrackInfo(wxDC * dc, bool selected);
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static void Dark(wxDC * dc, bool selected);
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static void CursorColor(wxDC * dc);
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static void IndicatorColor(wxDC * dc, bool bIsNotRecording);
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static void PlayRegionColor(wxDC * dc, bool locked);
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static void Mute(wxDC * dc, bool on, bool selected, bool soloing);
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static void Solo(wxDC * dc, bool on, bool selected);
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static void MIDIChannel(wxDC * dc, int channel /* 1 - 16 */ );
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static void LightMIDIChannel(wxDC * dc, int channel /* 1 - 16 */ );
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static void DarkMIDIChannel(wxDC * dc, int channel /* 1 - 16 */ );
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static void TrackFocusPen(wxDC * dc, int level /* 0 - 2 */);
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static void SnapGuidePen(wxDC * dc);
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static void PreComputeGradient();
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// Member variables
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static wxBrush lightBrush[2];
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static wxBrush mediumBrush[2];
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static wxBrush darkBrush[2];
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static wxPen lightPen[2];
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static wxPen mediumPen[2];
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static wxPen darkPen[2];
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static wxPen cursorPen;
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static wxPen indicatorPen[2];
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static wxBrush indicatorBrush[2];
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static wxPen playRegionPen[2];
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static wxBrush playRegionBrush[2];
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static wxBrush muteBrush[2];
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static wxBrush soloBrush;
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static wxPen clippingPen;
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static wxPen envelopePen;
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static wxPen WideEnvelopePen;
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static wxBrush envelopeBrush;
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static wxBrush labelTextNormalBrush;
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static wxBrush labelTextEditBrush;
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static wxBrush labelUnselectedBrush;
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static wxBrush labelSelectedBrush;
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static wxBrush labelSyncLockSelBrush;
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static wxPen labelUnselectedPen;
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static wxPen labelSelectedPen;
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static wxPen labelSyncLockSelPen;
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static wxPen labelSurroundPen;
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static wxPen trackFocusPens[3];
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static wxPen snapGuidePen;
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static wxPen tooltipPen;
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static wxBrush tooltipBrush;
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static bool gradient_inited;
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static const int gradientSteps = 512;
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static unsigned char gradient_pre[ColorGradientTotal][2][gradientSteps][3];
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private:
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static wxPen sparePen;
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static wxBrush spareBrush;
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static bool inited;
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};
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inline void GetColorGradient(float value,
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AColor::ColorGradientChoice selected,
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bool grayscale,
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unsigned char * __restrict red,
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unsigned char * __restrict green,
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unsigned char * __restrict blue) {
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int idx = value * (AColor::gradientSteps - 1);
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*red = AColor::gradient_pre[selected][grayscale][idx][0];
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*green = AColor::gradient_pre[selected][grayscale][idx][1];
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*blue = AColor::gradient_pre[selected][grayscale][idx][2];
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}
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#endif
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