#include <selectionmodel.h>

Collaboration diagram for SelectionModel:

[legend]

Public Member Functions
	SelectionModel ()

	~SelectionModel ()

void	ResetPtStack ()

void	PushToPtStack (LONG x, LONG y)

void	CalculateBoundingBoxAndContents (HDC hDCImage)

void	CalculateContents (HDC hDCImage)

void	DrawBackgroundPoly (HDC hDCImage, COLORREF crBg)

void	DrawBackgroundRect (HDC hDCImage, COLORREF crBg)

void	DrawSelection (HDC hDCImage, COLORREF crBg=0, BOOL bBgTransparent=FALSE)

void	DrawSelectionStretched (HDC hDCImage)

void	ScaleContentsToFit ()

void	InsertFromHBITMAP (HBITMAP hBm, INT x=0, INT y=0)

void	FlipHorizontally ()

void	FlipVertically ()

void	RotateNTimes90Degrees (int iN)

void	StretchSkew (int nStretchPercentX, int nStretchPercentY, int nSkewDegX=0, int nSkewDegY=0)

HBITMAP	GetBitmap () const

int	PtStackSize () const

void	DrawFramePoly (HDC hDCImage)

void	SetSrcAndDestRectFromPoints (const POINT &ptFrom, const POINT &ptTo)

void	SetSrcRectSizeToZero ()

BOOL	IsSrcRectSizeNonzero () const

void	ModifyDestRect (POINT &ptDelta, int iAction)

LONG	GetDestRectWidth () const

LONG	GetDestRectHeight () const

LONG	GetDestRectLeft () const

LONG	GetDestRectTop () const

void	GetRect (LPRECT prc) const

Private Member Functions
void	NotifyRefreshNeeded ()

	SelectionModel (const SelectionModel &)

SelectionModel &	operator= (const SelectionModel &)

Private Attributes
HDC	m_hDC

RECT	m_rcSrc

RECT	m_rcDest

HBITMAP	m_hBm

HBITMAP	m_hMask

POINT *	m_ptStack

int	m_iPtSP

Detailed Description

Definition at line 26 of file selectionmodel.h.

Constructor & Destructor Documentation

◆ SelectionModel() [1/2]

SelectionModel::SelectionModel ( )

Definition at line 16 of file selectionmodel.cpp.

    : m_hDC(CreateCompatibleDC(NULL))
    , m_hBm(NULL)
    , m_hMask(NULL)
    , m_ptStack(NULL)
    , m_iPtSP(0)
{
    SetRectEmpty(&m_rcSrc);
    SetRectEmpty(&m_rcDest);
}

◆ ~SelectionModel()

SelectionModel::~SelectionModel ( )

Definition at line 27 of file selectionmodel.cpp.

{
    DeleteDC(m_hDC);
    ResetPtStack();
    if (m_hBm)
    {
        DeleteObject(m_hBm);
    }
    if (m_hMask)
    {
        DeleteObject(m_hMask);
    }
}

◆ SelectionModel() [2/2]

SelectionModel::SelectionModel ( const SelectionModel & )

private

Member Function Documentation

◆ CalculateBoundingBoxAndContents()

void SelectionModel::CalculateBoundingBoxAndContents ( HDC hDCImage )

Definition at line 63 of file selectionmodel.cpp.

{
    int i;
    m_rcSrc.left = m_rcSrc.top = MAXLONG;
    m_rcSrc.right = m_rcSrc.bottom = 0;
    for (i = 0; i < m_iPtSP; i++)
    {
        if (m_ptStack[i].x < m_rcSrc.left)
            m_rcSrc.left = m_ptStack[i].x;
        if (m_ptStack[i].y < m_rcSrc.top)
            m_rcSrc.top = m_ptStack[i].y;
        if (m_ptStack[i].x > m_rcSrc.right)
            m_rcSrc.right = m_ptStack[i].x;
        if (m_ptStack[i].y > m_rcSrc.bottom)
            m_rcSrc.bottom = m_ptStack[i].y;
    }
    m_rcSrc.right  += 1;
    m_rcSrc.bottom += 1;
    m_rcDest.left   = m_rcSrc.left;
    m_rcDest.top    = m_rcSrc.top;
    m_rcDest.right  = m_rcSrc.right;
    m_rcDest.bottom = m_rcSrc.bottom;
 
    if (m_iPtSP > 1)
    {
        DeleteObject(m_hMask);
        m_hMask = CreateBitmap(RECT_WIDTH(m_rcSrc), RECT_HEIGHT(m_rcSrc), 1, 1, NULL);
        DeleteObject(SelectObject(m_hDC, m_hMask));
        POINT *m_ptStackCopy = (POINT*) HeapAlloc(GetProcessHeap(), HEAP_GENERATE_EXCEPTIONS, sizeof(POINT) * m_iPtSP);
        for (i = 0; i < m_iPtSP; i++)
        {
            m_ptStackCopy[i].x = m_ptStack[i].x - m_rcSrc.left;
            m_ptStackCopy[i].y = m_ptStack[i].y - m_rcSrc.top;
        }
        Poly(m_hDC, m_ptStackCopy, m_iPtSP, 0x00ffffff, 0x00ffffff, 1, 2, TRUE, FALSE);
        HeapFree(GetProcessHeap(), 0, m_ptStackCopy);
        SelectObject(m_hDC, m_hBm = CreateDIBWithProperties(RECT_WIDTH(m_rcSrc), RECT_HEIGHT(m_rcSrc)));
        imageModel.ResetToPrevious();
        MaskBlt(m_hDC, 0, 0, RECT_WIDTH(m_rcSrc), RECT_HEIGHT(m_rcSrc), hDCImage, m_rcSrc.left,
                m_rcSrc.top, m_hMask, 0, 0, MAKEROP4(SRCCOPY, WHITENESS));
    }
}

Referenced by FreeSelTool::OnButtonUp().

◆ CalculateContents()

void SelectionModel::CalculateContents ( HDC hDCImage )

Definition at line 106 of file selectionmodel.cpp.

{
    DeleteObject(m_hMask);
    m_hMask = CreateBitmap(RECT_WIDTH(m_rcSrc), RECT_HEIGHT(m_rcSrc), 1, 1, NULL);
    DeleteObject(SelectObject(m_hDC, m_hMask));
    Rect(m_hDC, 0, 0, RECT_WIDTH(m_rcSrc), RECT_HEIGHT(m_rcSrc), 0x00ffffff, 0x00ffffff, 1, 2);
    SelectObject(m_hDC, m_hBm = CreateDIBWithProperties(RECT_WIDTH(m_rcSrc), RECT_HEIGHT(m_rcSrc)));
    BitBlt(m_hDC, 0, 0, RECT_WIDTH(m_rcSrc), RECT_HEIGHT(m_rcSrc), hDCImage, m_rcSrc.left,
           m_rcSrc.top, SRCCOPY);
}

Referenced by RectSelTool::OnButtonUp().

◆ DrawBackgroundPoly()

void SelectionModel::DrawBackgroundPoly	(	HDC	hDCImage,
		COLORREF	crBg
	)

Definition at line 117 of file selectionmodel.cpp.

{
    Poly(hDCImage, m_ptStack, m_iPtSP, crBg, crBg, 1, 2, TRUE, FALSE);
}

Referenced by ImageModel::DrawSelectionBackground().

◆ DrawBackgroundRect()

void SelectionModel::DrawBackgroundRect	(	HDC	hDCImage,
		COLORREF	crBg
	)

Definition at line 122 of file selectionmodel.cpp.

{
    Rect(hDCImage, m_rcSrc.left, m_rcSrc.top, m_rcSrc.right, m_rcSrc.bottom, crBg, crBg, 0, 1);
}

Referenced by ImageModel::DrawSelectionBackground().

◆ DrawFramePoly()

void SelectionModel::DrawFramePoly ( HDC hDCImage )

Definition at line 292 of file selectionmodel.cpp.

{
    Poly(hDCImage, m_ptStack, m_iPtSP, 0, 0, 2, 0, FALSE, TRUE); /* draw the freehand selection inverted/xored */
}

Referenced by FreeSelTool::OnMouseMove().

◆ DrawSelection()

void SelectionModel::DrawSelection	(	HDC	hDCImage,
		COLORREF	crBg = `0`,
		BOOL	bBgTransparent = `FALSE`
	)

Definition at line 127 of file selectionmodel.cpp.

{
    if (!bBgTransparent)
        MaskBlt(hDCImage, m_rcDest.left, m_rcDest.top, RECT_WIDTH(m_rcDest), RECT_HEIGHT(m_rcDest),
                m_hDC, 0, 0, m_hMask, 0, 0, MAKEROP4(SRCCOPY, SRCAND));
    else
        ColorKeyedMaskBlt(hDCImage, m_rcDest.left, m_rcDest.top, RECT_WIDTH(m_rcDest), RECT_HEIGHT(m_rcDest),
                          m_hDC, 0, 0, m_hMask, 0, 0, MAKEROP4(SRCCOPY, SRCAND), crBg);
}

Referenced by CSelectionWindow::ForceRefreshSelectionContents(), and CSelectionWindow::OnMouseMove().

◆ DrawSelectionStretched()

void SelectionModel::DrawSelectionStretched ( HDC hDCImage )

Definition at line 137 of file selectionmodel.cpp.

{
    StretchBlt(hDCImage, m_rcDest.left, m_rcDest.top, RECT_WIDTH(m_rcDest), RECT_HEIGHT(m_rcDest), m_hDC, 0, 0, GetDIBWidth(m_hBm), GetDIBHeight(m_hBm), SRCCOPY);
}

Referenced by CSelectionWindow::OnMouseMove().

◆ FlipHorizontally()

void SelectionModel::FlipHorizontally ( )

Definition at line 188 of file selectionmodel.cpp.

{
    SelectObject(m_hDC, m_hMask);
    StretchBlt(m_hDC, RECT_WIDTH(m_rcDest) - 1, 0, -RECT_WIDTH(m_rcDest), RECT_HEIGHT(m_rcDest), m_hDC,
               0, 0, RECT_WIDTH(m_rcDest), RECT_HEIGHT(m_rcDest), SRCCOPY);
    SelectObject(m_hDC, m_hBm);
    StretchBlt(m_hDC, RECT_WIDTH(m_rcDest) - 1, 0, -RECT_WIDTH(m_rcDest), RECT_HEIGHT(m_rcDest), m_hDC,
               0, 0, RECT_WIDTH(m_rcDest), RECT_HEIGHT(m_rcDest), SRCCOPY);
    NotifyRefreshNeeded();
}

Referenced by CMainWindow::OnCommand().

◆ FlipVertically()

void SelectionModel::FlipVertically ( )

Definition at line 199 of file selectionmodel.cpp.

{
    SelectObject(m_hDC, m_hMask);
    StretchBlt(m_hDC, 0, RECT_HEIGHT(m_rcDest) - 1, RECT_WIDTH(m_rcDest), -RECT_HEIGHT(m_rcDest), m_hDC,
               0, 0, RECT_WIDTH(m_rcDest), RECT_HEIGHT(m_rcDest), SRCCOPY);
    SelectObject(m_hDC, m_hBm);
    StretchBlt(m_hDC, 0, RECT_HEIGHT(m_rcDest) - 1, RECT_WIDTH(m_rcDest), -RECT_HEIGHT(m_rcDest), m_hDC,
               0, 0, RECT_WIDTH(m_rcDest), RECT_HEIGHT(m_rcDest), SRCCOPY);
    NotifyRefreshNeeded();
}

Referenced by CMainWindow::OnCommand().

◆ GetBitmap()

HBITMAP SelectionModel::GetBitmap ( ) const

Definition at line 282 of file selectionmodel.cpp.

{
    return m_hBm;
}

Referenced by CMainWindow::OnCommand().

◆ GetDestRectHeight()

LONG SelectionModel::GetDestRectHeight ( ) const

Definition at line 381 of file selectionmodel.cpp.

{
    return m_rcDest.bottom - m_rcDest.top;
}

Referenced by CSelectionWindow::OnMouseMove(), and placeSelWin().

◆ GetDestRectLeft()

LONG SelectionModel::GetDestRectLeft ( ) const

Definition at line 386 of file selectionmodel.cpp.

{
    return m_rcDest.left;
}

Referenced by placeSelWin().

◆ GetDestRectTop()

LONG SelectionModel::GetDestRectTop ( ) const

Definition at line 391 of file selectionmodel.cpp.

{
    return m_rcDest.top;
}

Referenced by placeSelWin().

◆ GetDestRectWidth()

LONG SelectionModel::GetDestRectWidth ( ) const

Definition at line 376 of file selectionmodel.cpp.

{
    return m_rcDest.right - m_rcDest.left;
}

Referenced by CSelectionWindow::OnMouseMove(), and placeSelWin().

◆ GetRect()

void SelectionModel::GetRect ( LPRECT prc ) const

Definition at line 401 of file selectionmodel.cpp.

{
    *prc = m_rcDest;
}

Referenced by TextTool::OnButtonUp().

◆ InsertFromHBITMAP()

void SelectionModel::InsertFromHBITMAP	(	HBITMAP	hBm,
		INT	x = `0`,
		INT	y = `0`
	)

Definition at line 165 of file selectionmodel.cpp.

{
    HDC hTempDC;
    HBITMAP hTempMask;
 
    m_hBm = CopyDIBImage(hBm);
    DeleteObject(SelectObject(m_hDC, m_hBm));
 
    SetRectEmpty(&m_rcSrc);
    m_rcDest.left = x;
    m_rcDest.top = y;
    m_rcDest.right = m_rcDest.left + GetDIBWidth(m_hBm);
    m_rcDest.bottom = m_rcDest.top + GetDIBHeight(m_hBm);
 
    hTempDC = CreateCompatibleDC(m_hDC);
    hTempMask = CreateBitmap(RECT_WIDTH(m_rcDest), RECT_HEIGHT(m_rcDest), 1, 1, NULL);
    SelectObject(hTempDC, hTempMask);
    Rect(hTempDC, 0, 0, RECT_WIDTH(m_rcDest), RECT_HEIGHT(m_rcDest), 0x00ffffff, 0x00ffffff, 1, 1);
    DeleteObject(m_hMask);
    m_hMask = hTempMask;
    DeleteDC(hTempDC);
}

Referenced by CMainWindow::InsertSelectionFromHBITMAP(), RotateNTimes90Degrees(), and StretchSkew().

◆ IsSrcRectSizeNonzero()

BOOL SelectionModel::IsSrcRectSizeNonzero ( ) const

Definition at line 311 of file selectionmodel.cpp.

{
    return (RECT_WIDTH(m_rcSrc) != 0) && (RECT_HEIGHT(m_rcSrc) != 0);
}

Referenced by RectSelTool::OnButtonUp(), and TextTool::OnButtonUp().

◆ ModifyDestRect()

void SelectionModel::ModifyDestRect	(	POINT &	ptDelta,
		int	iAction
	)

Definition at line 316 of file selectionmodel.cpp.

{
    POINT ptDeltaUsed;
 
    switch (iAction)
    {
        case ACTION_MOVE:                /* move selection */
            ptDeltaUsed.x = ptDelta.x;
            ptDeltaUsed.y = ptDelta.y;
            OffsetRect(&m_rcDest, ptDeltaUsed.x, ptDeltaUsed.y);
            break;
        case ACTION_RESIZE_TOP_LEFT:     /* resize at upper left corner */
            ptDeltaUsed.x = min(ptDelta.x, RECT_WIDTH(m_rcDest) - 1);
            ptDeltaUsed.y = min(ptDelta.y, RECT_HEIGHT(m_rcDest) - 1);
            m_rcDest.left += ptDeltaUsed.x;
            m_rcDest.top  += ptDeltaUsed.y;
            break;
        case ACTION_RESIZE_TOP:          /* resize at top edge */
            ptDeltaUsed.x = ptDelta.x;
            ptDeltaUsed.y = min(ptDelta.y, RECT_HEIGHT(m_rcDest) - 1);
            m_rcDest.top += ptDeltaUsed.y;
            break;
        case ACTION_RESIZE_TOP_RIGHT:    /* resize at upper right corner */
            ptDeltaUsed.x = max(ptDelta.x, -(RECT_WIDTH(m_rcDest) - 1));
            ptDeltaUsed.y = min(ptDelta.y, RECT_HEIGHT(m_rcDest) - 1);
            m_rcDest.top   += ptDeltaUsed.y;
            m_rcDest.right += ptDeltaUsed.x;
            break;
        case ACTION_RESIZE_LEFT:         /* resize at left edge */
            ptDeltaUsed.x = min(ptDelta.x, RECT_WIDTH(m_rcDest) - 1);
            ptDeltaUsed.y = ptDelta.y;
            m_rcDest.left += ptDeltaUsed.x;
            break;
        case ACTION_RESIZE_RIGHT:        /* resize at right edge */
            ptDeltaUsed.x = max(ptDelta.x, -(RECT_WIDTH(m_rcDest) - 1));
            ptDeltaUsed.y = ptDelta.y;
            m_rcDest.right += ptDeltaUsed.x;
            break;
        case ACTION_RESIZE_BOTTOM_LEFT:  /* resize at lower left corner */
            ptDeltaUsed.x = min(ptDelta.x, RECT_WIDTH(m_rcDest) - 1);
            ptDeltaUsed.y = max(ptDelta.y, -(RECT_HEIGHT(m_rcDest) - 1));
            m_rcDest.left   += ptDeltaUsed.x;
            m_rcDest.bottom += ptDeltaUsed.y;
            break;
        case ACTION_RESIZE_BOTTOM:       /* resize at bottom edge */
            ptDeltaUsed.x = ptDelta.x;
            ptDeltaUsed.y = max(ptDelta.y, -(RECT_HEIGHT(m_rcDest) - 1));
            m_rcDest.bottom += ptDeltaUsed.y;
            break;
        case ACTION_RESIZE_BOTTOM_RIGHT: /* resize at lower right corner */
            ptDeltaUsed.x = max(ptDelta.x, -(RECT_WIDTH(m_rcDest) - 1));
            ptDeltaUsed.y = max(ptDelta.y, -(RECT_HEIGHT(m_rcDest) - 1));
            m_rcDest.right  += ptDeltaUsed.x;
            m_rcDest.bottom += ptDeltaUsed.y;
            break;
    }
    ptDelta.x -= ptDeltaUsed.x;
    ptDelta.y -= ptDeltaUsed.y;
}

Referenced by CSelectionWindow::OnMouseMove().

◆ NotifyRefreshNeeded()

void SelectionModel::NotifyRefreshNeeded ( )

private

Definition at line 396 of file selectionmodel.cpp.

{
    selectionWindow.SendMessage(WM_SELECTIONMODELREFRESHNEEDED);
}

Referenced by FlipHorizontally(), FlipVertically(), RotateNTimes90Degrees(), and StretchSkew().

◆ operator=()

SelectionModel & SelectionModel::operator= ( const SelectionModel & )

private

◆ PtStackSize()

int SelectionModel::PtStackSize ( ) const

Definition at line 287 of file selectionmodel.cpp.

{
    return m_iPtSP;
}

Referenced by FreeSelTool::OnButtonUp().

◆ PushToPtStack()

void SelectionModel::PushToPtStack	(	LONG	x,
		LONG	y
	)

Definition at line 49 of file selectionmodel.cpp.

{
    if (m_iPtSP % 1024 == 0)
    {
        if (m_ptStack)
            m_ptStack = (POINT*) HeapReAlloc(GetProcessHeap(), HEAP_GENERATE_EXCEPTIONS, m_ptStack, sizeof(POINT) * (m_iPtSP + 1024));
        else
            m_ptStack = (POINT*) HeapAlloc(GetProcessHeap(), HEAP_GENERATE_EXCEPTIONS, sizeof(POINT) * 1024);
    }
    m_ptStack[m_iPtSP].x = x;
    m_ptStack[m_iPtSP].y = y;
    m_iPtSP++;
}

Referenced by FreeSelTool::OnButtonDown(), and FreeSelTool::OnMouseMove().

◆ ResetPtStack()

void SelectionModel::ResetPtStack ( )

Definition at line 41 of file selectionmodel.cpp.

{
    if (m_ptStack != NULL)
        HeapFree(GetProcessHeap(), 0, m_ptStack);
    m_ptStack = NULL;
    m_iPtSP = 0;
}

Referenced by FreeSelTool::OnButtonDown(), FreeSelTool::OnButtonUp(), ToolBase::reset(), and ~SelectionModel().

◆ RotateNTimes90Degrees()

void SelectionModel::RotateNTimes90Degrees ( int iN )

Definition at line 210 of file selectionmodel.cpp.

{
    HBITMAP hbm;
    switch (iN)
    {
    case 1:
    case 3:
        imageModel.DeleteSelection();
        imageModel.CopyPrevious();
        SelectObject(m_hDC, m_hBm);
        hbm = Rotate90DegreeBlt(m_hDC, RECT_WIDTH(m_rcDest), RECT_HEIGHT(m_rcDest), iN == 1);
        InsertFromHBITMAP(hbm, m_rcDest.left, m_rcDest.top);
        DeleteObject(hbm);
        selectionWindow.ShowWindow(SW_SHOWNOACTIVATE);
        selectionWindow.ForceRefreshSelectionContents();
        placeSelWin();
        break;
    case 2:
        SelectObject(m_hDC, m_hMask);
        StretchBlt(m_hDC, RECT_WIDTH(m_rcDest) - 1, RECT_HEIGHT(m_rcDest) - 1, -RECT_WIDTH(m_rcDest), -RECT_HEIGHT(m_rcDest), m_hDC,
                   0, 0, RECT_WIDTH(m_rcDest), RECT_HEIGHT(m_rcDest), SRCCOPY);
        SelectObject(m_hDC, m_hBm);
        StretchBlt(m_hDC, RECT_WIDTH(m_rcDest) - 1, RECT_HEIGHT(m_rcDest) - 1, -RECT_WIDTH(m_rcDest), -RECT_HEIGHT(m_rcDest), m_hDC,
                   0, 0, RECT_WIDTH(m_rcDest), RECT_HEIGHT(m_rcDest), SRCCOPY);
        break;
    }
    NotifyRefreshNeeded();
}

Referenced by CMainWindow::OnCommand().

◆ ScaleContentsToFit()

void SelectionModel::ScaleContentsToFit ( )

Definition at line 142 of file selectionmodel.cpp.

{
    HDC hTempDC;
    HBITMAP hTempBm;
    hTempDC = CreateCompatibleDC(m_hDC);
    hTempBm = CreateDIBWithProperties(RECT_WIDTH(m_rcDest), RECT_HEIGHT(m_rcDest));
    SelectObject(hTempDC, hTempBm);
    SelectObject(m_hDC, m_hBm);
    StretchBlt(hTempDC, 0, 0, RECT_WIDTH(m_rcDest), RECT_HEIGHT(m_rcDest), m_hDC, 0, 0,
               GetDIBWidth(m_hBm), GetDIBHeight(m_hBm), SRCCOPY);
    DeleteObject(m_hBm);
    m_hBm = hTempBm;
    hTempBm = CreateBitmap(RECT_WIDTH(m_rcDest), RECT_HEIGHT(m_rcDest), 1, 1, NULL);
    SelectObject(hTempDC, hTempBm);
    SelectObject(m_hDC, m_hMask);
    StretchBlt(hTempDC, 0, 0, RECT_WIDTH(m_rcDest), RECT_HEIGHT(m_rcDest), m_hDC, 0, 0,
               GetDIBWidth(m_hMask), GetDIBHeight(m_hMask), SRCCOPY);
    DeleteObject(m_hMask);
    m_hMask = hTempBm;
    SelectObject(m_hDC, m_hBm);
    DeleteDC(hTempDC);
}

Referenced by CSelectionWindow::OnLButtonUp().

◆ SetSrcAndDestRectFromPoints()

void SelectionModel::SetSrcAndDestRectFromPoints	(	const POINT &	ptFrom,
		const POINT &	ptTo
	)

Definition at line 297 of file selectionmodel.cpp.

{
    m_rcDest.left = m_rcSrc.left = min(ptFrom.x, ptTo.x);
    m_rcDest.top = m_rcSrc.top = min(ptFrom.y, ptTo.y);
    m_rcDest.right = m_rcSrc.right = max(ptFrom.x, ptTo.x);
    m_rcDest.bottom = m_rcSrc.bottom = max(ptFrom.y, ptTo.y);
}

Referenced by RectSelTool::OnMouseMove(), and TextTool::UpdatePoint().

◆ SetSrcRectSizeToZero()

void SelectionModel::SetSrcRectSizeToZero ( )

Definition at line 305 of file selectionmodel.cpp.

{
    m_rcSrc.right = m_rcSrc.left;
    m_rcSrc.bottom = m_rcSrc.top;
}

Referenced by RectSelTool::OnButtonDown().

◆ StretchSkew()

void SelectionModel::StretchSkew	(	int	nStretchPercentX,
		int	nStretchPercentY,
		int	nSkewDegX = `0`,
		int	nSkewDegY = `0`
	)

Definition at line 239 of file selectionmodel.cpp.

{
    if (nStretchPercentX == 100 && nStretchPercentY == 100 && nSkewDegX == 0 && nSkewDegY == 0)
        return;
 
    imageModel.DeleteSelection();
    imageModel.CopyPrevious();
 
    INT oldWidth = RECT_WIDTH(m_rcDest);
    INT oldHeight = RECT_HEIGHT(m_rcDest);
    INT newWidth = oldWidth * nStretchPercentX / 100;
    INT newHeight = oldHeight * nStretchPercentY / 100;
 
    if (oldWidth != newWidth || oldHeight != newHeight)
    {
        SelectObject(m_hDC, m_hBm);
        HBITMAP hbm0 = CopyDIBImage(m_hBm, newWidth, newHeight);
        InsertFromHBITMAP(hbm0, m_rcDest.left, m_rcDest.top);
        DeleteObject(hbm0);
    }
 
    if (nSkewDegX)
    {
        SelectObject(m_hDC, m_hBm);
        HBITMAP hbm1 = SkewDIB(m_hDC, m_hBm, nSkewDegX, FALSE);
        InsertFromHBITMAP(hbm1, m_rcDest.left, m_rcDest.top);
        DeleteObject(hbm1);
    }
 
    if (nSkewDegY)
    {
        SelectObject(m_hDC, m_hBm);
        HBITMAP hbm2 = SkewDIB(m_hDC, m_hBm, nSkewDegY, TRUE);
        InsertFromHBITMAP(hbm2, m_rcDest.left, m_rcDest.top);
        DeleteObject(hbm2);
    }
 
    selectionWindow.ShowWindow(SW_SHOWNOACTIVATE);
    selectionWindow.ForceRefreshSelectionContents();
    placeSelWin();
    NotifyRefreshNeeded();
}

Referenced by CMainWindow::OnCommand().

Member Data Documentation

◆ m_hBm

HBITMAP SelectionModel::m_hBm

private

Definition at line 32 of file selectionmodel.h.

Referenced by CalculateBoundingBoxAndContents(), CalculateContents(), DrawSelectionStretched(), FlipHorizontally(), FlipVertically(), GetBitmap(), InsertFromHBITMAP(), RotateNTimes90Degrees(), ScaleContentsToFit(), StretchSkew(), and ~SelectionModel().

◆ m_hDC

HDC SelectionModel::m_hDC

private

Definition at line 29 of file selectionmodel.h.

Referenced by CalculateBoundingBoxAndContents(), CalculateContents(), DrawSelection(), DrawSelectionStretched(), FlipHorizontally(), FlipVertically(), InsertFromHBITMAP(), RotateNTimes90Degrees(), ScaleContentsToFit(), StretchSkew(), and ~SelectionModel().

◆ m_hMask

HBITMAP SelectionModel::m_hMask

private

Definition at line 33 of file selectionmodel.h.

Referenced by CalculateBoundingBoxAndContents(), CalculateContents(), DrawSelection(), FlipHorizontally(), FlipVertically(), InsertFromHBITMAP(), RotateNTimes90Degrees(), ScaleContentsToFit(), and ~SelectionModel().

◆ m_iPtSP

int SelectionModel::m_iPtSP

private

Definition at line 35 of file selectionmodel.h.

Referenced by CalculateBoundingBoxAndContents(), DrawBackgroundPoly(), DrawFramePoly(), PtStackSize(), PushToPtStack(), and ResetPtStack().

◆ m_ptStack

POINT* SelectionModel::m_ptStack

private

Definition at line 34 of file selectionmodel.h.

Referenced by CalculateBoundingBoxAndContents(), DrawBackgroundPoly(), DrawFramePoly(), PushToPtStack(), and ResetPtStack().

◆ m_rcDest

RECT SelectionModel::m_rcDest

private

Definition at line 31 of file selectionmodel.h.

Referenced by CalculateBoundingBoxAndContents(), DrawSelection(), DrawSelectionStretched(), FlipHorizontally(), FlipVertically(), GetDestRectHeight(), GetDestRectLeft(), GetDestRectTop(), GetDestRectWidth(), GetRect(), InsertFromHBITMAP(), ModifyDestRect(), RotateNTimes90Degrees(), ScaleContentsToFit(), SelectionModel(), SetSrcAndDestRectFromPoints(), and StretchSkew().

◆ m_rcSrc

RECT SelectionModel::m_rcSrc

private

Definition at line 30 of file selectionmodel.h.

Referenced by CalculateBoundingBoxAndContents(), CalculateContents(), DrawBackgroundRect(), InsertFromHBITMAP(), IsSrcRectSizeNonzero(), SelectionModel(), SetSrcAndDestRectFromPoints(), and SetSrcRectSizeToZero().

The documentation for this class was generated from the following files:

base/applications/mspaint/selectionmodel.h
base/applications/mspaint/selectionmodel.cpp

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ SelectionModel() [1/2]

◆ ~SelectionModel()

◆ SelectionModel() [2/2]

Member Function Documentation

◆ CalculateBoundingBoxAndContents()

◆ CalculateContents()

◆ DrawBackgroundPoly()

◆ DrawBackgroundRect()

◆ DrawFramePoly()

◆ DrawSelection()

◆ DrawSelectionStretched()

◆ FlipHorizontally()

◆ FlipVertically()

◆ GetBitmap()

◆ GetDestRectHeight()

◆ GetDestRectLeft()

◆ GetDestRectTop()

◆ GetDestRectWidth()

◆ GetRect()

◆ InsertFromHBITMAP()

◆ IsSrcRectSizeNonzero()

◆ ModifyDestRect()

◆ NotifyRefreshNeeded()

◆ operator=()

◆ PtStackSize()

◆ PushToPtStack()

◆ ResetPtStack()

◆ RotateNTimes90Degrees()

◆ ScaleContentsToFit()

◆ SetSrcAndDestRectFromPoints()

◆ SetSrcRectSizeToZero()

◆ StretchSkew()

Member Data Documentation

◆ m_hBm

◆ m_hDC

◆ m_hMask

◆ m_iPtSP

◆ m_ptStack

◆ m_rcDest

◆ m_rcSrc