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Macros
#define	GRIP_SIZE 3

#define	MIN_ZOOM 125

#define	MAX_ZOOM 8000

#define	MAX_LONG_PATH 512

#define	WM_TOOLSMODELTOOLCHANGED (WM_APP + 0)

#define	WM_TOOLSMODELSETTINGSCHANGED (WM_APP + 1)

#define	WM_TOOLSMODELZOOMCHANGED (WM_APP + 2)

#define	WM_PALETTEMODELCOLORCHANGED (WM_APP + 3)

#define	WM_PALETTEMODELPALETTECHANGED (WM_APP + 4)

#define	WM_IMAGEMODELDIMENSIONSCHANGED (WM_APP + 5)

#define	WM_IMAGEMODELIMAGECHANGED (WM_APP + 6)

#define	WM_SELECTIONMODELREFRESHNEEDED (WM_APP + 7)

#define	RECT_WIDTH(a) ((a).right - (a).left)

#define	RECT_HEIGHT(a) ((a).bottom - (a).top)

#define	CHECKED_IF(a) ((a) ? (MF_CHECKED \| MF_BYCOMMAND) : (MF_UNCHECKED \| MF_BYCOMMAND))

#define	ENABLED_IF(a) ((a) ? (MF_ENABLED \| MF_BYCOMMAND) : (MF_GRAYED \| MF_BYCOMMAND))

Enumerations
enum	CANVAS_HITTEST { HIT_NONE = 0 , HIT_UPPER_LEFT , HIT_UPPER_CENTER , HIT_UPPER_RIGHT , HIT_MIDDLE_LEFT , HIT_MIDDLE_RIGHT , HIT_LOWER_LEFT , HIT_LOWER_CENTER , HIT_LOWER_RIGHT , HIT_BORDER , HIT_INNER }

Functions
BOOL	zoomTo (int newZoom, int mouseX, int mouseY)

BOOL	nearlyEqualPoints (INT x0, INT y0, INT x1, INT y1)

void	updateStartAndLast (LONG x, LONG y)

void	updateLast (LONG x, LONG y)

Macro Definition Documentation

◆ CHECKED_IF

#define CHECKED_IF ( a ) ((a) ? (MF_CHECKED | MF_BYCOMMAND) : (MF_UNCHECKED | MF_BYCOMMAND))

Definition at line 35 of file common.h.

◆ ENABLED_IF

#define ENABLED_IF ( a ) ((a) ? (MF_ENABLED | MF_BYCOMMAND) : (MF_GRAYED | MF_BYCOMMAND))

Definition at line 38 of file common.h.

◆ GRIP_SIZE

#define GRIP_SIZE 3

Definition at line 13 of file common.h.

◆ MAX_LONG_PATH

#define MAX_LONG_PATH 512

Definition at line 17 of file common.h.

◆ MAX_ZOOM

#define MAX_ZOOM 8000

Definition at line 15 of file common.h.

◆ MIN_ZOOM

#define MIN_ZOOM 125

Definition at line 14 of file common.h.

◆ RECT_HEIGHT

#define RECT_HEIGHT ( a ) ((a).bottom - (a).top)

Definition at line 32 of file common.h.

◆ RECT_WIDTH

#define RECT_WIDTH ( a ) ((a).right - (a).left)

Definition at line 29 of file common.h.

◆ WM_IMAGEMODELDIMENSIONSCHANGED

#define WM_IMAGEMODELDIMENSIONSCHANGED (WM_APP + 5)

Definition at line 24 of file common.h.

◆ WM_IMAGEMODELIMAGECHANGED

#define WM_IMAGEMODELIMAGECHANGED (WM_APP + 6)

Definition at line 25 of file common.h.

◆ WM_PALETTEMODELCOLORCHANGED

#define WM_PALETTEMODELCOLORCHANGED (WM_APP + 3)

Definition at line 22 of file common.h.

◆ WM_PALETTEMODELPALETTECHANGED

#define WM_PALETTEMODELPALETTECHANGED (WM_APP + 4)

Definition at line 23 of file common.h.

◆ WM_SELECTIONMODELREFRESHNEEDED

#define WM_SELECTIONMODELREFRESHNEEDED (WM_APP + 7)

Definition at line 26 of file common.h.

◆ WM_TOOLSMODELSETTINGSCHANGED

#define WM_TOOLSMODELSETTINGSCHANGED (WM_APP + 1)

Definition at line 20 of file common.h.

◆ WM_TOOLSMODELTOOLCHANGED

#define WM_TOOLSMODELTOOLCHANGED (WM_APP + 0)

Definition at line 19 of file common.h.

◆ WM_TOOLSMODELZOOMCHANGED

#define WM_TOOLSMODELZOOMCHANGED (WM_APP + 2)

Definition at line 21 of file common.h.

Enumeration Type Documentation

◆ CANVAS_HITTEST

enum CANVAS_HITTEST

Enumerator
HIT_NONE
HIT_UPPER_LEFT
HIT_UPPER_CENTER
HIT_UPPER_RIGHT
HIT_MIDDLE_LEFT
HIT_MIDDLE_RIGHT
HIT_LOWER_LEFT
HIT_LOWER_CENTER
HIT_LOWER_RIGHT
HIT_BORDER
HIT_INNER

Definition at line 40 of file common.h.

{
    HIT_NONE = 0, // Nothing hit or outside
    HIT_UPPER_LEFT,
    HIT_UPPER_CENTER,
    HIT_UPPER_RIGHT,
    HIT_MIDDLE_LEFT,
    HIT_MIDDLE_RIGHT,
    HIT_LOWER_LEFT,
    HIT_LOWER_CENTER,
    HIT_LOWER_RIGHT,
    HIT_BORDER,
    HIT_INNER,
};

Function Documentation

◆ nearlyEqualPoints()

BOOL nearlyEqualPoints	(	INT	x0,
		INT	y0,
		INT	x1,
		INT	y1
	)

Definition at line 47 of file mouse.cpp.

{
    INT cxThreshold = toolsModel.GetLineWidth() + UnZoomed(GetSystemMetrics(SM_CXDRAG));
    INT cyThreshold = toolsModel.GetLineWidth() + UnZoomed(GetSystemMetrics(SM_CYDRAG));
    return (abs(x1 - x0) <= cxThreshold) && (abs(y1 - y0) <= cyThreshold);
}

Referenced by ShapeTool::OnButtonUp().

◆ updateLast()

void updateLast	(	LONG	x,
		LONG	y
	)

Definition at line 60 of file mouse.cpp.

{
    last.x = x;
    last.y = y;
}

Referenced by ToolsModel::OnButtonUp(), and ToolsModel::OnMouseMove().

◆ updateStartAndLast()

void updateStartAndLast	(	LONG	x,
		LONG	y
	)

Definition at line 54 of file mouse.cpp.

{
    start.x = last.x = x;
    start.y = last.y = y;
}

Referenced by ToolsModel::OnButtonDown().

◆ zoomTo()

BOOL zoomTo	(	int	newZoom,
		int	mouseX,
		int	mouseY
	)

Definition at line 46 of file winproc.cpp.

{
    int x, y, w, h;
    RECT clientRectScrollbox;
    canvasWindow.GetClientRect(&clientRectScrollbox);
 
    RECT clientRectImageArea;
    ::SetRect(&clientRectImageArea, 0, 0, imageModel.GetWidth(), imageModel.GetHeight());
    Zoomed(clientRectImageArea);
 
    w = clientRectImageArea.right * newZoom / toolsModel.GetZoom();
    h = clientRectImageArea.bottom * newZoom / toolsModel.GetZoom();
    if (!w || !h)
    {
        return FALSE;
    }
    w = clientRectImageArea.right * clientRectScrollbox.right / w;
    h = clientRectImageArea.bottom * clientRectScrollbox.bottom / h;
    x = max(0, min(clientRectImageArea.right - w, mouseX - w / 2)) * newZoom / toolsModel.GetZoom();
    y = max(0, min(clientRectImageArea.bottom - h, mouseY - h / 2)) * newZoom / toolsModel.GetZoom();
 
    toolsModel.SetZoom(newZoom);
 
    canvasWindow.Invalidate(TRUE);
 
    canvasWindow.SendMessage(WM_HSCROLL, MAKEWPARAM(SB_THUMBPOSITION, x), 0);
    canvasWindow.SendMessage(WM_VSCROLL, MAKEWPARAM(SB_THUMBPOSITION, y), 0);
    return TRUE;
}

Referenced by ZoomTool::OnButtonDown(), CMainWindow::OnCommand(), CMainWindow::OnMouseWheel(), and CToolSettingsWindow::OnVScroll().

Macros

Enumerations

Functions