SelectionModel Class Reference

#include <selectionmodel.h>

Collaboration diagram for SelectionModel:

Public Member Functions
	SelectionModel ()
	~SelectionModel ()
void	SetRectFromPoints (const POINT &ptFrom, const POINT &ptTo)
void	setMask (const CRect &rc, HBITMAP hbmMask)
BOOL	TakeOff ()
void	Landing ()
BOOL	IsLanded () const
void	HideSelection ()
void	DeleteSelection ()
HITTEST	hitTest (POINT ptCanvas)
void	drawFrameOnCanvas (HDC hCanvasDC)
void	moveSelection (INT xDelta, INT yDelta)
HBITMAP	GetSelectionContents ()
void	DrawBackground (HDC hDCImage, COLORREF crBg)
void	DrawBackgroundPoly (HDC hDCImage, COLORREF crBg)
void	DrawBackgroundRect (HDC hDCImage, COLORREF crBg)
void	DrawSelection (HDC hDCImage, COLORREF crBg, BOOL bBgTransparent, const CRect &rc, HBITMAP hbm)
void	DrawSelection (HDC hDCImage, COLORREF crBg, BOOL bBgTransparent)
void	DrawSelection (HDC hDCImage, COLORREF crBg, BOOL bBgTransparent, const CRect &rc)
void	InsertFromHBITMAP (HBITMAP hbmColor, INT x=0, INT y=0, HBITMAP hbmMask=NULL)
void	FlipHorizontally ()
void	FlipVertically ()
void	RotateNTimes90Degrees (int iN)
void	StretchSkew (int nStretchPercentX, int nStretchPercentY, int nSkewDegX, int nSkewDegY)
void	InvertSelection ()
void	Dragging (HITTEST hit, POINT pt)
void	ClearMaskImage ()
void	ClearColorImage ()
void	NotifyContentChanged ()
void	StretchSelection (BOOL bShrink)

Public Attributes
COLORREF	m_rgbBack
BOOL	m_bShow
BOOL	m_bContentChanged
CRect	m_rc
POINT	m_ptHit
CRect	m_rcOld

Private Member Functions
	SelectionModel (const SelectionModel &)
SelectionModel &	operator= (const SelectionModel &)
void	ShiftPtStack (INT dx, INT dy)
void	SwapWidthAndHeight ()

Private Attributes
HBITMAP	m_hbmColor
HBITMAP	m_hbmMask

Detailed Description

Definition at line 11 of file selectionmodel.h.

Constructor & Destructor Documentation

SelectionModel() [1/2]

SelectionModel::SelectionModel

(

)

Definition at line 15 of file selectionmodel.cpp.

    : m_hbmColor(NULL)
    , m_hbmMask(NULL)
    , m_rgbBack(RGB(255, 255, 255))
    , m_bShow(FALSE)
    , m_bContentChanged(FALSE)
{
    m_rc.SetRectEmpty();
    m_rcOld.SetRectEmpty();
    m_ptHit = { -1, -1 };
}

~SelectionModel()

SelectionModel::~SelectionModel

(

)

Definition at line 27 of file selectionmodel.cpp.

{
    ClearColorImage();
    ClearMaskImage();
}

SelectionModel() [2/2]

SelectionModel::SelectionModel ( const SelectionModel &  )

private

Member Function Documentation

ClearColorImage()

void SelectionModel::ClearColorImage

(

)

Definition at line 401 of file selectionmodel.cpp.

{
    if (m_hbmColor)
    {
        ::DeleteObject(m_hbmColor);
        m_hbmColor = NULL;
    }
}

Referenced by HideSelection(), TakeOff(), and ~SelectionModel().

ClearMaskImage()

void SelectionModel::ClearMaskImage

(

)

Definition at line 392 of file selectionmodel.cpp.

{
    if (m_hbmMask)
    {
        ::DeleteObject(m_hbmMask);
        m_hbmMask = NULL;
    }
}

Referenced by HideSelection(), InsertFromHBITMAP(), TakeOff(), and ~SelectionModel().

DeleteSelection()

void SelectionModel::DeleteSelection

(

)

Definition at line 420 of file selectionmodel.cpp.

{
    if (!m_bShow)
        return;
 
    TakeOff();
    imageModel.PushImageForUndo();
    DrawBackground(imageModel.GetDC(), paletteModel.GetBgColor());
 
    HideSelection();
}

Referenced by CMainWindow::OnCommand().

Dragging()

void SelectionModel::Dragging	(	HITTEST	hit,
		POINT	pt
	)

Definition at line 350 of file selectionmodel.cpp.

{
    switch (hit)
    {
        case HIT_NONE:
            break;
        case HIT_UPPER_LEFT:
            m_rc.left += pt.x - m_ptHit.x;
            m_rc.top += pt.y - m_ptHit.y;
            break;
        case HIT_UPPER_CENTER:
            m_rc.top += pt.y - m_ptHit.y;
            break;
        case HIT_UPPER_RIGHT:
            m_rc.right += pt.x - m_ptHit.x;
            m_rc.top += pt.y - m_ptHit.y;
            break;
        case HIT_MIDDLE_LEFT:
            m_rc.left += pt.x - m_ptHit.x;
            break;
        case HIT_MIDDLE_RIGHT:
            m_rc.right += pt.x - m_ptHit.x;
            break;
        case HIT_LOWER_LEFT:
            m_rc.left += pt.x - m_ptHit.x;
            m_rc.bottom += pt.y - m_ptHit.y;
            break;
        case HIT_LOWER_CENTER:
            m_rc.bottom += pt.y - m_ptHit.y;
            break;
        case HIT_LOWER_RIGHT:
            m_rc.right += pt.x - m_ptHit.x;
            m_rc.bottom += pt.y - m_ptHit.y;
            break;
        case HIT_BORDER:
        case HIT_INNER:
            m_rc.OffsetRect(pt.x - m_ptHit.x, pt.y - m_ptHit.y);
            break;
    }
    m_ptHit = pt;
}

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

DrawBackground()

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

Definition at line 53 of file selectionmodel.cpp.

{
    if (toolsModel.GetActiveTool() == TOOL_FREESEL)
        DrawBackgroundPoly(hDCImage, crBg);
    else
        DrawBackgroundRect(hDCImage, crBg);
}

Referenced by DeleteSelection(), and SelectionBaseTool::OnDrawOverlayOnImage().

DrawBackgroundPoly()

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

Definition at line 33 of file selectionmodel.cpp.

{
    if (m_rcOld.IsRectEmpty())
        return;
 
    HGDIOBJ hbrOld = ::SelectObject(hDCImage, ::GetStockObject(DC_BRUSH));
    ::SetDCBrushColor(hDCImage, crBg);
    ::MaskBlt(hDCImage, m_rcOld.left, m_rcOld.top, m_rcOld.Width(), m_rcOld.Height(),
              hDCImage, m_rcOld.left, m_rcOld.top, m_hbmMask, 0, 0, MAKEROP4(PATCOPY, SRCCOPY));
    ::SelectObject(hDCImage, hbrOld);
}

Referenced by DrawBackground().

DrawBackgroundRect()

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

Definition at line 45 of file selectionmodel.cpp.

{
    if (m_rcOld.IsRectEmpty())
        return;
 
    Rect(hDCImage, m_rcOld.left, m_rcOld.top, m_rcOld.right, m_rcOld.bottom, crBg, crBg, 0, 1);
}

Referenced by DrawBackground().

drawFrameOnCanvas()

void SelectionModel::drawFrameOnCanvas

(

HDC

hCanvasDC

)

Definition at line 473 of file selectionmodel.cpp.

{
    if (!m_bShow)
        return;
 
    CRect rcSelection = m_rc;
    canvasWindow.ImageToCanvas(rcSelection);
    rcSelection.InflateRect(GRIP_SIZE, GRIP_SIZE);
    drawSizeBoxes(hCanvasDC, &rcSelection, TRUE);
}

Referenced by SelectionBaseTool::OnDrawOverlayOnCanvas().

DrawSelection() [1/3]

void SelectionModel::DrawSelection ( HDC  hDCImage, COLORREF  crBg, BOOL  bBgTransparent  )

inline

Definition at line 47 of file selectionmodel.h.

    {
        return DrawSelection(hDCImage, crBg, bBgTransparent, m_rc);
    }

DrawSelection() [2/3]

void SelectionModel::DrawSelection ( HDC  hDCImage, COLORREF  crBg, BOOL  bBgTransparent, const CRect &  rc  )

inline

Definition at line 52 of file selectionmodel.h.

    {
        return DrawSelection(hDCImage, crBg, bBgTransparent, rc, m_hbmColor);
    }

DrawSelection() [3/3]

void SelectionModel::DrawSelection	(	HDC	hDCImage,
		COLORREF	crBg,
		BOOL	bBgTransparent,
		const CRect &	rc,
		HBITMAP	hbm
	)

Definition at line 62 of file selectionmodel.cpp.

{
    if (rc.IsRectEmpty())
        return;
 
    BITMAP bm;
    if (!GetObjectW(hbm, sizeof(BITMAP), &bm))
        return;
 
    COLORREF keyColor = (bBgTransparent ? crBg : CLR_INVALID);
 
    HDC hMemDC = CreateCompatibleDC(hDCImage);
    HGDIOBJ hbmOld = SelectObject(hMemDC, hbm);
    ColorKeyedMaskBlt(hDCImage, rc.left, rc.top, rc.Width(), rc.Height(),
                      hMemDC, 0, 0, bm.bmWidth, bm.bmHeight, m_hbmMask, keyColor);
    SelectObject(hMemDC, hbmOld);
    DeleteDC(hMemDC);
}

Referenced by DrawSelection(), GetSelectionContents(), and SelectionBaseTool::OnDrawOverlayOnImage().

FlipHorizontally()

void SelectionModel::FlipHorizontally

(

)

Definition at line 185 of file selectionmodel.cpp.

{
    TakeOff();
 
    HDC hdcMem = ::CreateCompatibleDC(NULL);
    if (m_hbmMask)
    {
        ::SelectObject(hdcMem, m_hbmMask);
        ::StretchBlt(hdcMem, m_rc.Width() - 1, 0, -m_rc.Width(), m_rc.Height(),
                     hdcMem, 0, 0, m_rc.Width(), m_rc.Height(), SRCCOPY);
    }
    if (m_hbmColor)
    {
        ::SelectObject(hdcMem, m_hbmColor);
        ::StretchBlt(hdcMem, m_rc.Width() - 1, 0, -m_rc.Width(), m_rc.Height(),
                     hdcMem, 0, 0, m_rc.Width(), m_rc.Height(), SRCCOPY);
    }
    ::DeleteDC(hdcMem);
 
    NotifyContentChanged();
}

Referenced by CMainWindow::OnCommand().

FlipVertically()

void SelectionModel::FlipVertically

(

)

Definition at line 207 of file selectionmodel.cpp.

{
    TakeOff();
 
    HDC hdcMem = ::CreateCompatibleDC(NULL);
    if (m_hbmMask)
    {
        ::SelectObject(hdcMem, m_hbmMask);
        ::StretchBlt(hdcMem, 0, m_rc.Height() - 1, m_rc.Width(), -m_rc.Height(),
                     hdcMem, 0, 0, m_rc.Width(), m_rc.Height(), SRCCOPY);
    }
    if (m_hbmColor)
    {
        ::SelectObject(hdcMem, m_hbmColor);
        ::StretchBlt(hdcMem, 0, m_rc.Height() - 1, m_rc.Width(), -m_rc.Height(),
                     hdcMem, 0, 0, m_rc.Width(), m_rc.Height(), SRCCOPY);
    }
    ::DeleteDC(hdcMem);
 
    NotifyContentChanged();
}

Referenced by CMainWindow::OnCommand().

GetSelectionContents()

HBITMAP SelectionModel::GetSelectionContents

(

)

Definition at line 91 of file selectionmodel.cpp.

{
    HBITMAP hbmWhole = imageModel.LockBitmap();
    HBITMAP hbmPart = getSubImage(hbmWhole, (IsLanded() ? m_rc : m_rcOld));
    imageModel.UnlockBitmap(hbmWhole);
    if (!hbmPart)
        return NULL;
 
    CRect rc = { 0, 0, m_rc.Width(), m_rc.Height() };
 
    HDC hdcMem = ::CreateCompatibleDC(NULL);
    HBITMAP hbmNew = CreateColorDIB(rc.Width(), rc.Height(), paletteModel.GetBgColor());
    HGDIOBJ hbmOld = ::SelectObject(hdcMem, hbmNew);
    selectionModel.DrawSelection(hdcMem, paletteModel.GetBgColor(), TRUE, rc, hbmPart);
    ::SelectObject(hdcMem, hbmOld);
    ::DeleteDC(hdcMem);
 
    ::DeleteObject(hbmPart);
    return hbmNew;
}

Referenced by CMainWindow::OnCommand(), and TakeOff().

HideSelection()

void SelectionModel::HideSelection

(

)

Definition at line 410 of file selectionmodel.cpp.

{
    m_bShow = m_bContentChanged = FALSE;
    ClearColorImage();
    ClearMaskImage();
    m_rc.SetRectEmpty();
    m_rcOld.SetRectEmpty();
    imageModel.NotifyImageChanged();
}

Referenced by DeleteSelection(), Landing(), CMainWindow::OnCommand(), SelectionBaseTool::OnEndDraw(), CToolBox::OnToolsModelToolChanged(), TextTool::quit(), ImageModel::Redo(), ToolBase::reset(), and ImageModel::Undo().

hitTest()

HITTEST SelectionModel::hitTest

(

POINT

ptCanvas

)

Definition at line 462 of file selectionmodel.cpp.

{
    if (!m_bShow)
        return HIT_NONE;
 
    CRect rcSelection = m_rc;
    canvasWindow.ImageToCanvas(rcSelection);
    rcSelection.InflateRect(GRIP_SIZE, GRIP_SIZE);
    return getSizeBoxHitTest(ptCanvas, &rcSelection);
}

Referenced by SelectionBaseTool::OnButtonDown(), CCanvasWindow::OnButtonDown(), and CCanvasWindow::OnSetCursor().

InsertFromHBITMAP()

void SelectionModel::InsertFromHBITMAP	(	HBITMAP	hbmColor,
		INT	x = 0,
		INT	y = 0,
		HBITMAP	hbmMask = NULL
	)

Definition at line 162 of file selectionmodel.cpp.

{
    ::DeleteObject(m_hbmColor);
    m_hbmColor = hbmColor;
 
    m_rc.left = x;
    m_rc.top = y;
    m_rc.right = x + GetDIBWidth(hbmColor);
    m_rc.bottom = y + GetDIBHeight(hbmColor);
 
    if (hbmMask)
    {
        ::DeleteObject(m_hbmMask);
        m_hbmMask = hbmMask;
    }
    else
    {
        ClearMaskImage();
    }
 
    NotifyContentChanged();
}

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

InvertSelection()

void SelectionModel::InvertSelection

(

)

Definition at line 432 of file selectionmodel.cpp.

{
    TakeOff();
 
    BITMAP bm;
    ::GetObjectW(m_hbmColor, sizeof(bm), &bm);
 
    HDC hdc = ::CreateCompatibleDC(NULL);
    HGDIOBJ hbmOld = ::SelectObject(hdc, m_hbmColor);
    RECT rc = { 0, 0, bm.bmWidth, bm.bmHeight };
    ::InvertRect(hdc, &rc);
    ::SelectObject(hdc, hbmOld);
    ::DeleteDC(hdc);
 
    NotifyContentChanged();
}

Referenced by CMainWindow::OnCommand().

IsLanded()

BOOL SelectionModel::IsLanded

(

)

const

Definition at line 112 of file selectionmodel.cpp.

{
    return !m_hbmColor;
}

Referenced by GetSelectionContents(), Landing(), SelectionBaseTool::OnDrawOverlayOnImage(), and TakeOff().

Landing()

void SelectionModel::Landing

(

)

Definition at line 140 of file selectionmodel.cpp.

{
    if (IsLanded() && !m_bShow)
    {
        imageModel.NotifyImageChanged();
        return;
    }
 
    if (m_bContentChanged ||
        (!m_rc.EqualRect(m_rcOld) && !m_rc.IsRectEmpty() && !m_rcOld.IsRectEmpty()))
    {
        CRect rc;
        rc.UnionRect(m_rc, m_rcOld);
        imageModel.PushImageForUndo(rc);
 
        canvasWindow.m_drawing = FALSE;
        toolsModel.OnDrawOverlayOnImage(imageModel.GetDC());
    }
 
    HideSelection();
}

Referenced by SelectionBaseTool::OnButtonDown(), SelectionBaseTool::OnEndDraw(), ToolBase::reset(), and ToolsModel::SetActiveTool().

moveSelection()

void SelectionModel::moveSelection	(	INT	xDelta,
		INT	yDelta
	)

Definition at line 484 of file selectionmodel.cpp.

{
    if (!m_bShow)
        return;
 
    TakeOff();
    m_rc.OffsetRect(xDelta, yDelta);
    canvasWindow.Invalidate();
}

Referenced by CMainWindow::OnKeyDown().

NotifyContentChanged()

void SelectionModel::NotifyContentChanged

(

)

Definition at line 449 of file selectionmodel.cpp.

{
    m_bContentChanged = TRUE;
    imageModel.NotifyImageChanged();
}

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

operator=()

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

private

RotateNTimes90Degrees()

void SelectionModel::RotateNTimes90Degrees

(

int

iN

)

Definition at line 229 of file selectionmodel.cpp.

{
    HBITMAP hbm;
    HGDIOBJ hbmOld;
    HDC hdcMem = ::CreateCompatibleDC(NULL);
 
    switch (iN)
    {
        case 1: /* rotate 90 degrees */
        case 3: /* rotate 270 degrees */
            TakeOff();
 
            if (m_hbmColor)
            {
                hbmOld = ::SelectObject(hdcMem, m_hbmColor);
                hbm = Rotate90DegreeBlt(hdcMem, m_rc.Width(), m_rc.Height(), iN == 1, FALSE);
                ::SelectObject(hdcMem, hbmOld);
                ::DeleteObject(m_hbmColor);
                m_hbmColor = hbm;
            }
            if (m_hbmMask)
            {
                hbmOld = ::SelectObject(hdcMem, m_hbmMask);
                hbm = Rotate90DegreeBlt(hdcMem, m_rc.Width(), m_rc.Height(), iN == 1, TRUE);
                ::SelectObject(hdcMem, hbmOld);
                ::DeleteObject(m_hbmMask);
                m_hbmMask = hbm;
            }
 
            SwapWidthAndHeight();
            break;
 
        case 2: /* rotate 180 degrees */
            TakeOff();
 
            if (m_hbmColor)
            {
                hbmOld = ::SelectObject(hdcMem, m_hbmColor);
                ::StretchBlt(hdcMem, m_rc.Width() - 1, m_rc.Height() - 1, -m_rc.Width(), -m_rc.Height(),
                             hdcMem, 0, 0, m_rc.Width(), m_rc.Height(), SRCCOPY);
                ::SelectObject(hdcMem, hbmOld);
            }
            if (m_hbmMask)
            {
                hbmOld = ::SelectObject(hdcMem, m_hbmMask);
                ::StretchBlt(hdcMem, m_rc.Width() - 1, m_rc.Height() - 1, -m_rc.Width(), -m_rc.Height(),
                             hdcMem, 0, 0, m_rc.Width(), m_rc.Height(), SRCCOPY);
                ::SelectObject(hdcMem, hbmOld);
            }
            break;
    }
 
    ::DeleteDC(hdcMem);
    NotifyContentChanged();
}

Referenced by CMainWindow::OnCommand().

setMask()

void SelectionModel::setMask	(	const CRect &	rc,
		HBITMAP	hbmMask
	)

Definition at line 82 of file selectionmodel.cpp.

{
    if (m_hbmMask)
        ::DeleteObject(m_hbmMask);
 
    m_hbmMask = hbmMask;
    m_rc = m_rcOld = rc;
}

Referenced by BuildMaskFromPoints().

SetRectFromPoints()

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

Definition at line 344 of file selectionmodel.cpp.

{
    m_rc = CRect(ptFrom, ptTo);
    m_rc.NormalizeRect();
}

Referenced by SelectionBaseTool::OnButtonDown(), SelectionBaseTool::OnButtonUp(), TextTool::OnButtonUp(), SelectionBaseTool::OnMouseMove(), and TextTool::UpdatePoint().

ShiftPtStack()

void SelectionModel::ShiftPtStack ( INT  dx, INT  dy  )

private

StretchSelection()

void SelectionModel::StretchSelection

(

BOOL

bShrink

)

Definition at line 494 of file selectionmodel.cpp.

{
    if (!m_bShow)
        return;
 
    TakeOff();
 
    INT cx = m_rc.Width(), cy = m_rc.Height();
 
    if (bShrink)
        m_rc.InflateRect(-cx / 4, -cy / 4);
    else
        m_rc.InflateRect(+cx / 2, +cy / 2);
 
    // The selection area must exist there
    if (m_rc.Width() <= 0)
        m_rc.right = m_rc.left + 1;
    if (m_rc.Height() <= 0)
        m_rc.bottom = m_rc.top + 1;
 
    imageModel.NotifyImageChanged();
}

Referenced by SelectionBaseTool::OnSpecialTweak().

StretchSkew()

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

Definition at line 293 of file selectionmodel.cpp.

{
    if (nStretchPercentX == 100 && nStretchPercentY == 100 && nSkewDegX == 0 && nSkewDegY == 0)
        return;
 
    TakeOff();
 
    INT oldWidth = m_rc.Width(), oldHeight = m_rc.Height();
    INT newWidth = oldWidth * nStretchPercentX / 100;
    INT newHeight = oldHeight * nStretchPercentY / 100;
 
    HBITMAP hbmColor = m_hbmColor, hbmMask = m_hbmMask;
 
    if (hbmMask == NULL)
        hbmMask = CreateMonoBitmap(oldWidth, oldHeight, TRUE);
 
    if (oldWidth != newWidth || oldHeight != newHeight)
    {
        AttachHBITMAP(&hbmColor, CopyDIBImage(hbmColor, newWidth, newHeight));
        AttachHBITMAP(&hbmMask, CopyMonoImage(hbmMask, newWidth, newHeight));
    }
 
    HGDIOBJ hbmOld;
    HDC hDC = ::CreateCompatibleDC(NULL);
 
    if (nSkewDegX)
    {
        hbmOld = ::SelectObject(hDC, hbmColor);
        AttachHBITMAP(&hbmColor, SkewDIB(hDC, hbmColor, nSkewDegX, FALSE));
        ::SelectObject(hDC, hbmMask);
        AttachHBITMAP(&hbmMask, SkewDIB(hDC, hbmMask, nSkewDegX, FALSE, TRUE));
        ::SelectObject(hDC, hbmOld);
    }
 
    if (nSkewDegY)
    {
        hbmOld = ::SelectObject(hDC, hbmColor);
        AttachHBITMAP(&hbmColor, SkewDIB(hDC, hbmColor, nSkewDegY, TRUE));
        ::SelectObject(hDC, hbmMask);
        AttachHBITMAP(&hbmMask, SkewDIB(hDC, hbmMask, nSkewDegY, TRUE, TRUE));
        ::SelectObject(hDC, hbmOld);
    }
 
    ::DeleteDC(hDC);
 
    InsertFromHBITMAP(hbmColor, m_rc.left, m_rc.top, hbmMask);
 
    m_bShow = TRUE;
    NotifyContentChanged();
}

Referenced by CMainWindow::OnCommand().

SwapWidthAndHeight()

void SelectionModel::SwapWidthAndHeight ( )

private

Definition at line 455 of file selectionmodel.cpp.

{
    INT cx = m_rc.Width(), cy = m_rc.Height();
    m_rc.right = m_rc.left + cy;
    m_rc.bottom = m_rc.top + cx;
}

Referenced by RotateNTimes90Degrees().

TakeOff()

BOOL SelectionModel::TakeOff

(

)

Definition at line 117 of file selectionmodel.cpp.

{
    if (!IsLanded() || m_rc.IsRectEmpty())
        return FALSE;
 
    // The background color is needed for transparency of selection
    m_rgbBack = paletteModel.GetBgColor();
 
    // Get the contents of the selection area
    ClearColorImage();
    m_hbmColor = GetSelectionContents();
 
    // RectSel doesn't need the mask image
    if (toolsModel.GetActiveTool() == TOOL_RECTSEL)
        ClearMaskImage();
 
    // Save the selection area
    m_rcOld = m_rc;
 
    imageModel.NotifyImageChanged();
    return TRUE;
}

Referenced by DeleteSelection(), FlipHorizontally(), FlipVertically(), InvertSelection(), moveSelection(), SelectionBaseTool::OnButtonDown(), CMainWindow::OnCommand(), RotateNTimes90Degrees(), StretchSelection(), and StretchSkew().

Member Data Documentation

m_bContentChanged

BOOL SelectionModel::m_bContentChanged

Definition at line 20 of file selectionmodel.h.

Referenced by HideSelection(), Landing(), and NotifyContentChanged().

m_bShow

BOOL SelectionModel::m_bShow

Definition at line 19 of file selectionmodel.h.

Referenced by CMainWindow::CanUndo(), CCanvasWindow::CanvasHitTest(), DeleteSelection(), CCanvasWindow::DoDraw(), drawFrameOnCanvas(), HideSelection(), hitTest(), CMainWindow::InsertSelectionFromHBITMAP(), Landing(), moveSelection(), SelectionBaseTool::OnButtonUp(), CMainWindow::OnCommand(), SelectionBaseTool::OnDrawOverlayOnCanvas(), SelectionBaseTool::OnDrawOverlayOnImage(), FreeSelTool::OnDrawOverlayOnImage(), RectSelTool::OnDrawOverlayOnImage(), CMainWindow::OnInitMenuPopup(), CCanvasWindow::OnSetCursor(), ToolBase::reset(), StretchSelection(), and StretchSkew().

m_hbmColor

HBITMAP SelectionModel::m_hbmColor

private

Definition at line 14 of file selectionmodel.h.

Referenced by ClearColorImage(), DrawSelection(), FlipHorizontally(), FlipVertically(), InsertFromHBITMAP(), InvertSelection(), IsLanded(), RotateNTimes90Degrees(), StretchSkew(), and TakeOff().

m_hbmMask

HBITMAP SelectionModel::m_hbmMask

private

Definition at line 15 of file selectionmodel.h.

Referenced by ClearMaskImage(), DrawBackgroundPoly(), DrawSelection(), FlipHorizontally(), FlipVertically(), InsertFromHBITMAP(), RotateNTimes90Degrees(), setMask(), and StretchSkew().

m_ptHit

POINT SelectionModel::m_ptHit

Definition at line 22 of file selectionmodel.h.

Referenced by Dragging(), SelectionBaseTool::OnButtonDown(), and SelectionModel().

m_rc

CRect SelectionModel::m_rc

Definition at line 21 of file selectionmodel.h.

Referenced by Dragging(), drawFrameOnCanvas(), DrawSelection(), FlipHorizontally(), FlipVertically(), GetSelectionContents(), ToolsModel::GetToolSize(), HideSelection(), hitTest(), InsertFromHBITMAP(), Landing(), moveSelection(), SelectionBaseTool::OnButtonUp(), TextTool::OnButtonUp(), RectSelTool::OnDrawOverlayOnImage(), TextTool::OnDrawOverlayOnImage(), RotateNTimes90Degrees(), SelectionModel(), setMask(), SetRectFromPoints(), StretchSelection(), StretchSkew(), SwapWidthAndHeight(), and TakeOff().

m_rcOld

CRect SelectionModel::m_rcOld

Definition at line 23 of file selectionmodel.h.

Referenced by DrawBackgroundPoly(), DrawBackgroundRect(), GetSelectionContents(), HideSelection(), Landing(), SelectionModel(), setMask(), and TakeOff().

m_rgbBack

COLORREF SelectionModel::m_rgbBack

Definition at line 18 of file selectionmodel.h.

Referenced by SelectionBaseTool::OnDrawOverlayOnImage(), and TakeOff().

---

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

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