reactos/base/applications/mspaint/toolsmodel.h

181 lines
4.2 KiB
C
Raw Normal View History

/*
* PROJECT: PAINT for ReactOS
* LICENSE: LGPL-2.0-or-later (https://spdx.org/licenses/LGPL-2.0-or-later)
* PURPOSE: Keep track of tool parameters, notify listeners
* COPYRIGHT: Copyright 2015 Benedikt Freisen <b.freisen@gmx.net>
*/
2017-12-09 12:36:45 +00:00
#pragma once
enum TOOLTYPE
{
TOOL_FREESEL = 1,
TOOL_RECTSEL = 2,
TOOL_RUBBER = 3,
TOOL_FILL = 4,
TOOL_COLOR = 5,
TOOL_ZOOM = 6,
TOOL_PEN = 7,
TOOL_BRUSH = 8,
TOOL_AIRBRUSH = 9,
TOOL_TEXT = 10,
TOOL_LINE = 11,
TOOL_BEZIER = 12,
TOOL_RECT = 13,
TOOL_SHAPE = 14,
TOOL_ELLIPSE = 15,
TOOL_RRECT = 16,
TOOL_MAX = TOOL_RRECT,
};
enum BrushStyle
{
BrushStyleRound,
BrushStyleSquare,
BrushStyleForeSlash,
BrushStyleBackSlash,
};
/* CLASSES **********************************************************/
struct ToolBase
{
HDC m_hdc;
COLORREF m_fg, m_bg;
static SIZE_T s_pointSP;
ToolBase() : m_hdc(NULL) { }
virtual ~ToolBase() { }
virtual void OnButtonDown(BOOL bLeftButton, LONG x, LONG y, BOOL bDoubleClick) { }
virtual BOOL OnMouseMove(BOOL bLeftButton, LONG& x, LONG& y) { return TRUE; }
virtual BOOL OnButtonUp(BOOL bLeftButton, LONG& x, LONG& y) { return TRUE; }
virtual void OnDrawOverlayOnImage(HDC hdc) { }
virtual void OnDrawOverlayOnCanvas(HDC hdc) { }
virtual void OnSpecialTweak(BOOL bMinus) { }
virtual void OnEndDraw(BOOL bCancel);
void beginEvent();
void endEvent();
void reset();
void pushToPtStack(LONG x, LONG y);
static ToolBase* createToolObject(TOOLTYPE type);
};
class ToolsModel
{
private:
int m_lineWidth;
INT m_penWidth;
INT m_brushWidth;
int m_shapeStyle;
BrushStyle m_brushStyle;
TOOLTYPE m_activeTool;
TOOLTYPE m_oldActiveTool;
INT m_airBrushRadius;
int m_rubberRadius;
BOOL m_transpBg;
int m_zoom;
ToolBase *m_pToolObject;
ToolBase *GetOrCreateTool(TOOLTYPE nTool);
public:
ToolsModel();
~ToolsModel();
BOOL IsSelection() const;
int GetLineWidth() const;
void SetLineWidth(int nLineWidth);
void MakeLineThickerOrThinner(BOOL bThinner);
INT GetPenWidth() const;
void SetPenWidth(INT nPenWidth);
void MakePenThickerOrThinner(BOOL bThinner);
int GetShapeStyle() const;
void SetShapeStyle(int nShapeStyle);
INT GetBrushWidth() const;
void SetBrushWidth(INT nBrushWidth);
void MakeBrushThickerOrThinner(BOOL bThinner);
BrushStyle GetBrushStyle() const;
void SetBrushStyle(BrushStyle nBrushStyle);
TOOLTYPE GetActiveTool() const;
TOOLTYPE GetOldActiveTool() const;
void SetActiveTool(TOOLTYPE nActiveTool);
INT GetAirBrushRadius() const;
void SetAirBrushRadius(INT nAirBrushRadius);
void MakeAirBrushThickerOrThinner(BOOL bThinner);
int GetRubberRadius() const;
void SetRubberRadius(int nRubberRadius);
void MakeRubberThickerOrThinner(BOOL bThinner);
SIZE GetToolSize() const;
BOOL IsBackgroundTransparent() const;
void SetBackgroundTransparent(BOOL bTransparent);
int GetZoom() const;
void SetZoom(int nZoom);
void OnButtonDown(BOOL bLeftButton, LONG x, LONG y, BOOL bDoubleClick);
void OnMouseMove(BOOL bLeftButton, LONG x, LONG y);
void OnButtonUp(BOOL bLeftButton, LONG x, LONG y);
void OnEndDraw(BOOL bCancel);
void OnDrawOverlayOnImage(HDC hdc);
void OnDrawOverlayOnCanvas(HDC hdc);
void resetTool();
void selectAll();
void NotifyToolChanged();
void NotifyToolSettingsChanged();
void NotifyZoomChanged();
void SpecialTweak(BOOL bMinus);
void DrawWithMouseTool(POINT pt, WPARAM wParam);
};
extern ToolsModel toolsModel;
static inline int Zoomed(int xy)
{
return xy * toolsModel.GetZoom() / 1000;
}
static inline int UnZoomed(int xy)
{
return xy * 1000 / toolsModel.GetZoom();
}
static inline void Zoomed(POINT& pt)
{
pt = { Zoomed(pt.x), Zoomed(pt.y) };
}
static inline void Zoomed(RECT& rc)
{
rc = { Zoomed(rc.left), Zoomed(rc.top), Zoomed(rc.right), Zoomed(rc.bottom) };
}
static inline void UnZoomed(POINT& pt)
{
pt = { UnZoomed(pt.x), UnZoomed(pt.y) };
}
static inline void UnZoomed(RECT& rc)
{
rc = { UnZoomed(rc.left), UnZoomed(rc.top), UnZoomed(rc.right), UnZoomed(rc.bottom) };
}