drawing.h File Reference

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Functions
void	Line (HDC hdc, LONG x1, LONG y1, LONG x2, LONG y2, COLORREF color, int thickness)
void	Line (HDC hdc, LONG x1, LONG y1, LONG x2, LONG y2, HBRUSH hBrush, INT thickness)
void	Rect (HDC hdc, LONG x1, LONG y1, LONG x2, LONG y2, COLORREF fg, COLORREF bg, int thickness, int style)
void	Rect (HDC hdc, LONG x1, LONG y1, LONG x2, LONG y2, HBRUSH hFgBrush, HBRUSH hBgBrush, INT thickness, INT style)
void	Ellp (HDC hdc, LONG x1, LONG y1, LONG x2, LONG y2, COLORREF fg, COLORREF bg, int thickness, int style)
void	Ellp (HDC hdc, LONG x1, LONG y1, LONG x2, LONG y2, HBRUSH hFgBrush, HBRUSH hBgBrush, INT thickness, INT style)
void	RRect (HDC hdc, LONG x1, LONG y1, LONG x2, LONG y2, COLORREF fg, COLORREF bg, int thickness, int style)
void	RRect (HDC hdc, LONG x1, LONG y1, LONG x2, LONG y2, HBRUSH hFgBrush, HBRUSH hBgBrush, INT thickness, INT style)
void	Poly (HDC hdc, POINT *lpPoints, int nCount, COLORREF fg, COLORREF bg, int thickness, int style, BOOL closed, BOOL inverted)
void	Poly (HDC hdc, POINT *lpPoints, INT nCount, HBRUSH hFgBrush, HBRUSH hBgBrush, INT thickness, INT style, BOOL closed, BOOL inverted)
void	Bezier (HDC hdc, POINT p1, POINT p2, POINT p3, POINT p4, COLORREF color, int thickness)
void	Bezier (HDC hdc, POINT p1, POINT p2, POINT p3, POINT p4, HBRUSH hBrush, INT thickness)
void	Fill (HDC hdc, LONG x, LONG y, COLORREF color)
void	Fill (HDC hdc, LONG x, LONG y, HBRUSH hBrush)
void	Erase (HDC hdc, LONG x1, LONG y1, LONG x2, LONG y2, COLORREF color, LONG radius)
void	Erase (HDC hdc, LONG x1, LONG y1, LONG x2, LONG y2, HBRUSH hBrush, LONG radius)
void	Replace (HDC hdc, LONG x1, LONG y1, LONG x2, LONG y2, COLORREF fg, COLORREF bg, LONG radius)
void	Replace (HDC hdc, LONG x1, LONG y1, LONG x2, LONG y2, COLORREF fg, HBRUSH hBgBrush, LONG radius)
void	Airbrush (HDC hdc, LONG x, LONG y, COLORREF color, LONG r)
void	Airbrush (HDC hdc, LONG x, LONG y, HBRUSH hBrush, LONG r)
void	Brush (HDC hdc, LONG x1, LONG y1, LONG x2, LONG y2, COLORREF color, LONG style, INT thickness)
void	Brush (HDC hdc, LONG x1, LONG y1, LONG x2, LONG y2, HBRUSH hBrush, LONG style, INT thickness)
void	RectSel (HDC hdc, LONG x1, LONG y1, LONG x2, LONG y2)
void	Text (HDC hdc, LONG x1, LONG y1, LONG x2, LONG y2, COLORREF fg, COLORREF bg, LPCWSTR lpchText, HFONT font, LONG style)
void	Text (HDC hdc, LONG x1, LONG y1, LONG x2, LONG y2, HBRUSH hFgBrush, HBRUSH hBgBrush, LPCWSTR lpchText, HFONT font, LONG style)
BOOL	ColorKeyedMaskBlt (HDC hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, HDC hdcSrc, int nXSrc, int nYSrc, int nSrcWidth, int nSrcHeight, HBITMAP hbmMask, COLORREF keyColor)
void	DrawXorRect (HDC hdc, const RECT *prc)
HBRUSH	CreateDitherBrush (COLORREF color, COLORREF monoColor0, COLORREF monoColor1)

Function Documentation

Airbrush() [1/2]

void Airbrush	(	HDC	hdc,
		LONG	x,
		LONG	y,
		COLORREF	color,
		LONG	r
	)

Definition at line 369 of file drawing.cpp.

{
    for (LONG dy = -r; dy <= r; dy++)
    {
        for (LONG dx = -r; dx <= r; dx++)
        {
            if ((dx * dx + dy * dy <= r * r) && (rand() % r == 0))
                ::SetPixelV(hdc, x + dx, y + dy, color);
        }
    }
}

Referenced by CToolSettingsWindow::drawAirBrush(), and AirBrushTool::OnDraw().

Airbrush() [2/2]

void Airbrush	(	HDC	hdc,
		LONG	x,
		LONG	y,
		HBRUSH	hBrush,
		LONG	r
	)

Definition at line 382 of file drawing.cpp.

{
    for (LONG dy = -r; dy <= r; dy++)
    {
        for (LONG dx = -r; dx <= r; dx++)
        {
            if ((dx * dx + dy * dy <= r * r) && (rand() % r == 0))
            {
                RECT rc = { x + dx, y + dy, x + dx + 1, y + dy + 1 };
                FillRect(hdc, &rc, hBrush);
            }
        }
    }
}

Bezier() [1/2]

void Bezier	(	HDC	hdc,
		POINT	p1,
		POINT	p2,
		POINT	p3,
		POINT	p4,
		COLORREF	color,
		int	thickness
	)

Definition at line 249 of file drawing.cpp.

{
    HPEN oldPen;
    POINT fourPoints[4];
    fourPoints[0] = p1;
    fourPoints[1] = p2;
    fourPoints[2] = p3;
    fourPoints[3] = p4;
    oldPen = (HPEN) SelectObject(hdc, CreatePen(PS_SOLID, thickness, color));
    PolyBezier(hdc, fourPoints, 4);
    DeleteObject(SelectObject(hdc, oldPen));
}

Referenced by GDI_Bezier(), and BezierTool::OnDrawOverlayOnImage().

Bezier() [2/2]

void Bezier	(	HDC	hdc,
		POINT	p1,
		POINT	p2,
		POINT	p3,
		POINT	p4,
		HBRUSH	hBrush,
		INT	thickness
	)

Definition at line 263 of file drawing.cpp.

{
    HPEN oldPen;
    POINT fourPoints[4];
    fourPoints[0] = p1;
    fourPoints[1] = p2;
    fourPoints[2] = p3;
    fourPoints[3] = p4;
    oldPen = (HPEN) SelectObject(hdc, CreateGeometricPen(0, thickness));
    BeginPath(hdc);
    PolyBezier(hdc, fourPoints, 4);
    EndPath(hdc);
    SetPolyFillMode(hdc, WINDING);
    WidenPath(hdc);
 
    HRGN hRgn = PathToRegion(hdc);
    FillRgn(hdc, hRgn, hBrush);
    DeleteObject(hRgn);
 
    DeleteObject(SelectObject(hdc, oldPen));
}

Brush() [1/2]

void Brush	(	HDC	hdc,
		LONG	x1,
		LONG	y1,
		LONG	x2,
		LONG	y2,
		COLORREF	color,
		LONG	style,
		INT	thickness
	)

Definition at line 457 of file drawing.cpp.

{
    HBRUSH hBrush = CreateSolidBrush(color);
    Brush(hdc, x1, y1, x2, y2, hBrush, style, thickness);
    DeleteObject(hBrush);
}

Brush() [2/2]

void Brush	(	HDC	hdc,
		LONG	x1,
		LONG	y1,
		LONG	x2,
		LONG	y2,
		HBRUSH	hBrush,
		LONG	style,
		INT	thickness
	)

Definition at line 465 of file drawing.cpp.

{
    if (thickness <= 1)
    {
        Line(hdc, x1, y1, x2, y2, hBrush, thickness);
        return;
    }
 
    HGDIOBJ oldPen = SelectObject(hdc, GetStockObject(NULL_PEN)); // 1px off
    HGDIOBJ oldBrush = SelectObject(hdc, hBrush);
    BrushInternal(hdc, x1, y1, x2, y2, style, thickness);
    SelectObject(hdc, oldBrush);
    SelectObject(hdc, oldPen);
}

ColorKeyedMaskBlt()

BOOL ColorKeyedMaskBlt	(	HDC	hdcDest,
		int	nXDest,
		int	nYDest,
		int	nWidth,
		int	nHeight,
		HDC	hdcSrc,
		int	nXSrc,
		int	nYSrc,
		int	nSrcWidth,
		int	nSrcHeight,
		HBITMAP	hbmMask,
		COLORREF	keyColor
	)

Definition at line 564 of file drawing.cpp.

{
    HDC hTempDC1, hTempDC2;
    HBITMAP hbmTempColor, hbmTempMask;
    HGDIOBJ hbmOld1, hbmOld2;
 
    if (hbmMask == NULL)
    {
        if (keyColor == CLR_INVALID)
        {
            ::StretchBlt(hdcDest, nXDest, nYDest, nWidth, nHeight,
                         hdcSrc, nXSrc, nYSrc, nSrcWidth, nSrcHeight, SRCCOPY);
        }
        else
        {
            ::GdiTransparentBlt(hdcDest, nXDest, nYDest, nWidth, nHeight,
                                hdcSrc, nXSrc, nYSrc, nSrcWidth, nSrcHeight, keyColor);
        }
        return TRUE;
    }
    else if (nWidth == nSrcWidth && nHeight == nSrcHeight && keyColor == CLR_INVALID)
    {
        ::MaskBlt(hdcDest, nXDest, nYDest, nWidth, nHeight,
                  hdcSrc, nXSrc, nYSrc, hbmMask, 0, 0, MAKEROP4(SRCCOPY, 0xAA0029));
        return TRUE;
    }
 
    hTempDC1 = ::CreateCompatibleDC(hdcDest);
    hTempDC2 = ::CreateCompatibleDC(hdcDest);
    hbmTempMask = ::CreateBitmap(nWidth, nHeight, 1, 1, NULL);
    hbmTempColor = CreateColorDIB(nWidth, nHeight, RGB(255, 255, 255));
 
    // hbmTempMask <-- hbmMask (stretched)
    hbmOld1 = ::SelectObject(hTempDC1, hbmMask);
    hbmOld2 = ::SelectObject(hTempDC2, hbmTempMask);
    ::StretchBlt(hTempDC2, 0, 0, nWidth, nHeight, hTempDC1, 0, 0, nSrcWidth, nSrcHeight, SRCCOPY);
    ::SelectObject(hTempDC2, hbmOld2);
    ::SelectObject(hTempDC1, hbmOld1);
 
    hbmOld1 = ::SelectObject(hTempDC1, hbmTempColor);
    if (keyColor == CLR_INVALID)
    {
        // hbmTempColor <-- hdcSrc (stretched)
        ::StretchBlt(hTempDC1, 0, 0, nWidth, nHeight,
                     hdcSrc, nXSrc, nYSrc, nSrcWidth, nSrcHeight, SRCCOPY);
 
        // hdcDest <-- hbmTempColor (masked)
        ::MaskBlt(hdcDest, nXDest, nYDest, nWidth, nHeight, hTempDC1, 0, 0,
                  hbmTempMask, 0, 0, MAKEROP4(SRCCOPY, 0xAA0029));
    }
    else
    {
        // hbmTempColor <-- hdcDest
        ::BitBlt(hTempDC1, 0, 0, nWidth, nHeight, hdcDest, nXDest, nYDest, SRCCOPY);
 
        // hbmTempColor <-- hdcSrc (color key)
        ::GdiTransparentBlt(hTempDC1, 0, 0, nWidth, nHeight,
                            hdcSrc, nXSrc, nYSrc, nSrcWidth, nSrcHeight, keyColor);
 
        // hdcDest <-- hbmTempColor (masked)
        ::MaskBlt(hdcDest, nXDest, nYDest, nWidth, nHeight, hTempDC1, 0, 0,
                  hbmTempMask, 0, 0, MAKEROP4(SRCCOPY, 0xAA0029));
    }
    ::SelectObject(hTempDC1, hbmOld1);
 
    ::DeleteObject(hbmTempColor);
    ::DeleteObject(hbmTempMask);
    ::DeleteDC(hTempDC2);
    ::DeleteDC(hTempDC1);
 
    return TRUE;
}

Referenced by SelectionModel::DrawSelection().

CreateDitherBrush()

HBRUSH CreateDitherBrush	(	COLORREF	color,
		COLORREF	monoColor0,
		COLORREF	monoColor1
	)

Definition at line 650 of file drawing.cpp.

{
    // 8x8 Bayer ordered dithering matrix (0 to 63)
    static const BYTE s_bayerMatrix[8][8] =
    {
        {  0, 32,  8, 40,  2, 34, 10, 42 },
        { 48, 16, 56, 24, 50, 18, 58, 26 },
        { 12, 44,  4, 36, 14, 46,  6, 38 },
        { 60, 28, 52, 20, 62, 30, 54, 22 },
        {  3, 35, 11, 43,  1, 33,  9, 41 },
        { 51, 19, 59, 27, 49, 17, 57, 25 },
        { 15, 47,  7, 39, 13, 45,  5, 37 },
        { 63, 31, 55, 23, 61, 29, 53, 21 },
    };
    INT sum = GetRValue(color) + GetGValue(color) + GetBValue(color);
    INT brightness = sum / 3;
    if (brightness < 0)
        brightness = 0;
    if (brightness >= 255)
        brightness = 256; // White out
 
    BITMAPINFO bmi = {};
    bmi.bmiHeader.biSize     = sizeof(bmi.bmiHeader);
    bmi.bmiHeader.biWidth    = 8;
    bmi.bmiHeader.biHeight   = -8; // Top-down
    bmi.bmiHeader.biPlanes   = 1;
    bmi.bmiHeader.biBitCount = 24;
 
    const BYTE b0 = GetBValue(monoColor0), g0 = GetGValue(monoColor0), r0 = GetRValue(monoColor0);
    const BYTE b1 = GetBValue(monoColor1), g1 = GetGValue(monoColor1), r1 = GetRValue(monoColor1);
 
    BYTE pixels[8 * 8 * 3];
    for (INT y = 0; y < 8; ++y)
    {
        INT index = y * (3 * CHAR_BIT);
        for (INT x = 0; x < 8; ++x)
        {
            const INT threshold = s_bayerMatrix[y][x] * 255 / 63;
            if (brightness > threshold)
            {
                pixels[index++] = b1; // Blue
                pixels[index++] = g1; // Green
                pixels[index++] = r1; // Red
            }
            else
            {
                pixels[index++] = b0; // Blue
                pixels[index++] = g0; // Green
                pixels[index++] = r0; // Red
            }
        }
    }
 
    HDC hdc = GetDC(NULL);
    HBITMAP hBitmap = CreateDIBitmap(hdc, &bmi.bmiHeader, CBM_INIT, pixels, &bmi, DIB_RGB_COLORS);
    ReleaseDC(NULL, hdc);
 
    if (!hBitmap)
        return NULL;
 
    HBRUSH hBrush = CreatePatternBrush(hBitmap);
    DeleteObject(hBitmap);
 
    return hBrush;
}

Referenced by ToolsModel::CreateBrush().

DrawXorRect()

void DrawXorRect	(	HDC	hdc,
		const RECT *	prc
	)

Definition at line 639 of file drawing.cpp.

{
    HGDIOBJ oldPen = ::SelectObject(hdc, ::CreatePen(PS_SOLID, 0, RGB(0, 0, 0)));
    HGDIOBJ oldBrush = ::SelectObject(hdc, ::GetStockObject(NULL_BRUSH));
    INT oldRop2 = SetROP2(hdc, R2_NOTXORPEN);
    ::Rectangle(hdc, prc->left, prc->top, prc->right, prc->bottom);
    ::SetROP2(hdc, oldRop2);
    ::SelectObject(hdc, oldBrush);
    ::DeleteObject(::SelectObject(hdc, oldPen));
}

Referenced by CCanvasWindow::DoDraw(), and ZoomTool::OnDrawOverlayOnCanvas().

Ellp() [1/2]

void Ellp	(	HDC	hdc,
		LONG	x1,
		LONG	y1,
		LONG	x2,
		LONG	y2,
		COLORREF	fg,
		COLORREF	bg,
		int	thickness,
		int	style
	)

Definition at line 98 of file drawing.cpp.

{
    HBRUSH oldBrush;
    LOGBRUSH logbrush;
    HPEN oldPen = (HPEN) SelectObject(hdc, CreatePen(PS_SOLID, thickness, fg));
    logbrush.lbStyle = (style == 0) ? BS_HOLLOW : BS_SOLID;
    logbrush.lbColor = (style == 2) ? fg : bg;
    logbrush.lbHatch = 0;
    oldBrush = (HBRUSH) SelectObject(hdc, CreateBrushIndirect(&logbrush));
    Ellipse(hdc, x1, y1, x2, y2);
    DeleteObject(SelectObject(hdc, oldBrush));
    DeleteObject(SelectObject(hdc, oldPen));
}

Referenced by EllipseTool::OnDrawOverlayOnImage().

Ellp() [2/2]

void Ellp	(	HDC	hdc,
		LONG	x1,
		LONG	y1,
		LONG	x2,
		LONG	y2,
		HBRUSH	hFgBrush,
		HBRUSH	hBgBrush,
		INT	thickness,
		INT	style
	)

Definition at line 113 of file drawing.cpp.

{
    HGDIOBJ hPenOld;
    if (style != 0)
    {
        HGDIOBJ hBrushOld = SelectObject(hdc, (style == 2) ? hFgBrush : hBgBrush);
        hPenOld = SelectObject(hdc, GetStockObject(NULL_PEN));
        Ellipse(hdc, x1, y1, x2, y2);
        SelectObject(hdc, hBrushOld);
        SelectObject(hdc, hPenOld);
    }
 
    HPEN hPen = CreateGeometricPen(0, thickness);
    hPenOld = SelectObject(hdc, hPen);
    BeginPath(hdc);
    Ellipse(hdc, x1, y1, x2, y2);
    EndPath(hdc);
    SetPolyFillMode(hdc, WINDING);
    WidenPath(hdc);
    SelectObject(hdc, hPenOld);
    DeleteObject(hPen);
 
    HRGN hRgn = PathToRegion(hdc);
    FillRgn(hdc, hRgn, hFgBrush);
    DeleteObject(hRgn);
}

Erase() [1/2]

void Erase	(	HDC	hdc,
		LONG	x1,
		LONG	y1,
		LONG	x2,
		LONG	y2,
		COLORREF	color,
		LONG	radius
	)

Definition at line 302 of file drawing.cpp.

{
    HBRUSH hBrush = ::CreateSolidBrush(color);
    Erase(hdc, x1, y1, x2, y2, hBrush, radius);
    ::DeleteObject(hBrush);
}

Referenced by CStyledCursor::CreateStyledCursor(), Erase(), GetUpdateRect(), IntBeginPaint(), and RubberTool::OnDraw().

Erase() [2/2]

void Erase	(	HDC	hdc,
		LONG	x1,
		LONG	y1,
		LONG	x2,
		LONG	y2,
		HBRUSH	hBrush,
		LONG	radius
	)

Definition at line 310 of file drawing.cpp.

{
    LONG b = max(1, max(labs(x2 - x1), labs(y2 - y1)));
 
    for (LONG a = 0; a <= b; a++)
    {
        LONG cx = (x1 * (b - a) + x2 * a) / b;
        LONG cy = (y1 * (b - a) + y2 * a) / b;
        RECT rc = { cx - radius, cy - radius, cx + radius, cy + radius };
        ::FillRect(hdc, &rc, hBrush);
    }
}

Fill() [1/2]

void Fill	(	HDC	hdc,
		LONG	x,
		LONG	y,
		COLORREF	color
	)

Definition at line 286 of file drawing.cpp.

{
    HBRUSH hBrush = CreateSolidBrush(color);
    Fill(hdc, x, y, hBrush);
    DeleteObject(hBrush);
}

Referenced by CheckStringBuffer(), CheckStringBufferA(), CheckStringBufferW(), DIB_24BPP_HLine(), Fill(), ntGetThreadName(), FillTool::OnButtonDown(), RtlFillMemory(), RtlFillMemoryUlong(), TuiDrawBox(), and UiDrawBox().

Fill() [2/2]

void Fill	(	HDC	hdc,
		LONG	x,
		LONG	y,
		HBRUSH	hBrush
	)

Definition at line 294 of file drawing.cpp.

{
    HBRUSH oldBrush = (HBRUSH)SelectObject(hdc, hBrush);
    ExtFloodFill(hdc, x, y, GetPixel(hdc, x, y), FLOODFILLSURFACE);
    SelectObject(hdc, oldBrush);
}

Line() [1/2]

void Line	(	HDC	hdc,
		LONG	x1,
		LONG	y1,
		LONG	x2,
		LONG	y2,
		COLORREF	color,
		int	thickness
	)

Definition at line 25 of file drawing.cpp.

{
    HPEN oldPen = (HPEN) SelectObject(hdc, CreatePen(PS_SOLID, thickness, color));
    MoveToEx(hdc, x1, y1, NULL);
    LineTo(hdc, x2, y2);
    SetPixelV(hdc, x2, y2, color);
    DeleteObject(SelectObject(hdc, oldPen));
}

Line() [2/2]

void Line	(	HDC	hdc,
		LONG	x1,
		LONG	y1,
		LONG	x2,
		LONG	y2,
		HBRUSH	hBrush,
		INT	thickness
	)

Definition at line 35 of file drawing.cpp.

{
    HGDIOBJ oldPen = SelectObject(hdc, CreateGeometricPen(0, thickness));
    BeginPath(hdc);
    MoveToEx(hdc, x1, y1, NULL);
    LineTo(hdc, x2, y2);
    EndPath(hdc);
    SetPolyFillMode(hdc, WINDING);
    WidenPath(hdc);
    DeleteObject(SelectObject(hdc, oldPen));
 
    HRGN hRgn = PathToRegion(hdc);
    FillRgn(hdc, hRgn, hBrush);
    DeleteObject(hRgn);
 
    RECT rc = { x2, y2, x2 + 1, y2 + 1 };
    FillRect(hdc, &rc, hBrush);
}

Poly() [1/2]

void Poly	(	HDC	hdc,
		POINT *	lpPoints,
		int	nCount,
		COLORREF	fg,
		COLORREF	bg,
		int	thickness,
		int	style,
		BOOL	closed,
		BOOL	inverted
	)

Definition at line 184 of file drawing.cpp.

{
    LOGBRUSH logbrush;
    HBRUSH oldBrush;
    HPEN oldPen = (HPEN) SelectObject(hdc, CreatePen(PS_SOLID, thickness, fg));
    UINT oldRop = GetROP2(hdc);
 
    if (inverted)
      SetROP2(hdc, R2_NOTXORPEN);
 
    logbrush.lbStyle = (style == 0) ? BS_HOLLOW : BS_SOLID;
    logbrush.lbColor = (style == 2) ? fg : bg;
    logbrush.lbHatch = 0;
    oldBrush = (HBRUSH) SelectObject(hdc, CreateBrushIndirect(&logbrush));
    if (closed)
        Polygon(hdc, lpPoints, nCount);
    else
        Polyline(hdc, lpPoints, nCount);
    DeleteObject(SelectObject(hdc, oldBrush));
    DeleteObject(SelectObject(hdc, oldPen));
 
    SetROP2(hdc, oldRop);
}

Referenced by ShapeTool::OnDrawOverlayOnImage(), and FreeSelTool::OnDrawOverlayOnImage().

Poly() [2/2]

void Poly	(	HDC	hdc,
		POINT *	lpPoints,
		INT	nCount,
		HBRUSH	hFgBrush,
		HBRUSH	hBgBrush,
		INT	thickness,
		INT	style,
		BOOL	closed,
		BOOL	inverted
	)

Definition at line 209 of file drawing.cpp.

{
    UINT oldRop = GetROP2(hdc);
    if (inverted)
        SetROP2(hdc, R2_NOTXORPEN);
 
    HGDIOBJ hPenOld;
    if (style != 0)
    {
        HGDIOBJ hBrushOld = SelectObject(hdc, (style == 2) ? hFgBrush : hBgBrush);
        hPenOld = SelectObject(hdc, GetStockObject(NULL_PEN));
        if (closed)
            Polygon(hdc, lpPoints, nCount);
        else
            Polyline(hdc, lpPoints, nCount);
        SelectObject(hdc, hBrushOld);
        SelectObject(hdc, hPenOld);
    }
 
    HPEN hPen = CreateGeometricPen(0, thickness);
    hPenOld = SelectObject(hdc, hPen);
    BeginPath(hdc);
    if (closed)
        Polygon(hdc, lpPoints, nCount);
    else
        Polyline(hdc, lpPoints, nCount);
    EndPath(hdc);
    SetPolyFillMode(hdc, WINDING);
    WidenPath(hdc);
    SelectObject(hdc, hPenOld);
    DeleteObject(hPen);
 
    HRGN hRgn = PathToRegion(hdc);
    FillRgn(hdc, hRgn, hFgBrush);
    DeleteObject(hRgn);
 
    SetROP2(hdc, oldRop);
}

Rect() [1/2]

void Rect	(	HDC	hdc,
		LONG	x1,
		LONG	y1,
		LONG	x2,
		LONG	y2,
		COLORREF	fg,
		COLORREF	bg,
		int	thickness,
		int	style
	)

Definition at line 55 of file drawing.cpp.

{
    HBRUSH oldBrush;
    LOGBRUSH logbrush;
    HPEN oldPen = (HPEN) SelectObject(hdc, CreatePen(PS_SOLID, thickness, fg));
    logbrush.lbStyle = (style == 0) ? BS_HOLLOW : BS_SOLID;
    logbrush.lbColor = (style == 2) ? fg : bg;
    logbrush.lbHatch = 0;
    oldBrush = (HBRUSH) SelectObject(hdc, CreateBrushIndirect(&logbrush));
    Rectangle(hdc, x1, y1, x2, y2);
    DeleteObject(SelectObject(hdc, oldBrush));
    DeleteObject(SelectObject(hdc, oldPen));
}

Rect() [2/2]

void Rect	(	HDC	hdc,
		LONG	x1,
		LONG	y1,
		LONG	x2,
		LONG	y2,
		HBRUSH	hFgBrush,
		HBRUSH	hBgBrush,
		INT	thickness,
		INT	style
	)

Definition at line 70 of file drawing.cpp.

{
    HGDIOBJ hPenOld;
    if (style != 0)
    {
        HGDIOBJ hBrushOld = SelectObject(hdc, (style == 2) ? hFgBrush : hBgBrush);
        hPenOld = SelectObject(hdc, GetStockObject(NULL_PEN));
        Rectangle(hdc, x1, y1, x2, y2);
        SelectObject(hdc, hBrushOld);
        SelectObject(hdc, hPenOld);
    }
 
    HPEN hPen = CreateGeometricPen(0, thickness);
    hPenOld = SelectObject(hdc, hPen);
    BeginPath(hdc);
    Rectangle(hdc, x1, y1, x2, y2);
    EndPath(hdc);
    SetPolyFillMode(hdc, WINDING);
    WidenPath(hdc);
    SelectObject(hdc, hPenOld);
    DeleteObject(hPen);
 
    HRGN hRgn = PathToRegion(hdc);
    FillRgn(hdc, hRgn, hFgBrush);
    DeleteObject(hRgn);
}

RectSel()

void RectSel	(	HDC	hdc,
		LONG	x1,
		LONG	y1,
		LONG	x2,
		LONG	y2
	)

Definition at line 481 of file drawing.cpp.

{
    HBRUSH oldBrush;
    LOGBRUSH logbrush;
    HPEN oldPen = (HPEN) SelectObject(hdc, CreatePen(PS_DOT, 1, GetSysColor(COLOR_HIGHLIGHT)));
    UINT oldRop = GetROP2(hdc);
 
    SetROP2(hdc, R2_NOTXORPEN);
 
    logbrush.lbStyle = BS_HOLLOW;
    logbrush.lbColor = 0;
    logbrush.lbHatch = 0;
    oldBrush = (HBRUSH) SelectObject(hdc, CreateBrushIndirect(&logbrush));
    Rectangle(hdc, x1, y1, x2, y2);
    DeleteObject(SelectObject(hdc, oldBrush));
    DeleteObject(SelectObject(hdc, oldPen));
 
    SetROP2(hdc, oldRop);
}

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

Replace() [1/2]

void Replace	(	HDC	hdc,
		LONG	x1,
		LONG	y1,
		LONG	x2,
		LONG	y2,
		COLORREF	fg,
		COLORREF	bg,
		LONG	radius
	)

Definition at line 324 of file drawing.cpp.

{
    LONG b = max(1, max(labs(x2 - x1), labs(y2 - y1)));
 
    for (LONG a = 0; a <= b; a++)
    {
        LONG cx = (x1 * (b - a) + x2 * a) / b;
        LONG cy = (y1 * (b - a) + y2 * a) / b;
        RECT rc = { cx - radius, cy - radius, cx + radius, cy + radius };
        for (LONG y = rc.top; y < rc.bottom; ++y)
        {
            for (LONG x = rc.left; x < rc.right; ++x)
            {
                if (::GetPixel(hdc, x, y) == fg)
                    ::SetPixelV(hdc, x, y, bg);
            }
        }
    }
}

Referenced by COMDLG32_FR_CheckPartial(), COMDLG32_FR_HandleWMCommand(), RubberTool::OnDraw(), UDFHardLink(), UDFHardLinkFile__(), UDFRename(), and UDFRenameMoveFile__().

Replace() [2/2]

void Replace	(	HDC	hdc,
		LONG	x1,
		LONG	y1,
		LONG	x2,
		LONG	y2,
		COLORREF	fg,
		HBRUSH	hBgBrush,
		LONG	radius
	)

Definition at line 345 of file drawing.cpp.

{
    LONG b = max(1, max(labs(x2 - x1), labs(y2 - y1)));
 
    for (LONG a = 0; a <= b; a++)
    {
        LONG cx = (x1 * (b - a) + x2 * a) / b;
        LONG cy = (y1 * (b - a) + y2 * a) / b;
        RECT rc = { cx - radius, cy - radius, cx + radius, cy + radius };
        for (LONG y = rc.top; y < rc.bottom; ++y)
        {
            for (LONG x = rc.left; x < rc.right; ++x)
            {
                if (::GetPixel(hdc, x, y) == fg)
                {
                    RECT rc = { x, y, x + 1, y + 1 };
                    FillRect(hdc, &rc, hBgBrush);
                }
            }
        }
    }
}

RRect() [1/2]

void RRect	(	HDC	hdc,
		LONG	x1,
		LONG	y1,
		LONG	x2,
		LONG	y2,
		COLORREF	fg,
		COLORREF	bg,
		int	thickness,
		int	style
	)

Definition at line 141 of file drawing.cpp.

{
    LOGBRUSH logbrush;
    HBRUSH oldBrush;
    HPEN oldPen = (HPEN) SelectObject(hdc, CreatePen(PS_SOLID, thickness, fg));
    logbrush.lbStyle = (style == 0) ? BS_HOLLOW : BS_SOLID;
    logbrush.lbColor = (style == 2) ? fg : bg;
    logbrush.lbHatch = 0;
    oldBrush = (HBRUSH) SelectObject(hdc, CreateBrushIndirect(&logbrush));
    RoundRect(hdc, x1, y1, x2, y2, 16, 16);
    DeleteObject(SelectObject(hdc, oldBrush));
    DeleteObject(SelectObject(hdc, oldPen));
}

Referenced by RRectTool::OnDrawOverlayOnImage().

RRect() [2/2]

void RRect	(	HDC	hdc,
		LONG	x1,
		LONG	y1,
		LONG	x2,
		LONG	y2,
		HBRUSH	hFgBrush,
		HBRUSH	hBgBrush,
		INT	thickness,
		INT	style
	)

Definition at line 156 of file drawing.cpp.

{
    HGDIOBJ hPenOld;
    if (style != 0)
    {
        HGDIOBJ hBrushOld = SelectObject(hdc, (style == 2) ? hFgBrush : hBgBrush);
        hPenOld = SelectObject(hdc, GetStockObject(NULL_PEN));
        RoundRect(hdc, x1, y1, x2, y2, 16, 16);
        SelectObject(hdc, hBrushOld);
        SelectObject(hdc, hPenOld);
    }
 
    HPEN hPen = CreateGeometricPen(0, thickness);
    hPenOld = SelectObject(hdc, hPen);
    BeginPath(hdc);
    RoundRect(hdc, x1, y1, x2, y2, 16, 16);
    EndPath(hdc);
    SetPolyFillMode(hdc, WINDING);
    WidenPath(hdc);
    SelectObject(hdc, hPenOld);
    DeleteObject(hPen);
 
    HRGN hRgn = PathToRegion(hdc);
    FillRgn(hdc, hRgn, hFgBrush);
    DeleteObject(hRgn);
}

Text() [1/2]

void Text	(	HDC	hdc,
		LONG	x1,
		LONG	y1,
		LONG	x2,
		LONG	y2,
		COLORREF	fg,
		COLORREF	bg,
		LPCWSTR	lpchText,
		HFONT	font,
		LONG	style
	)

Definition at line 502 of file drawing.cpp.

{
    INT iSaveDC = ::SaveDC(hdc); // We will modify the clipping region. Save now.
 
    CRect rc = { x1, y1, x2, y2 };
 
    if (style == 0) // Transparent
    {
        ::SetBkMode(hdc, TRANSPARENT);
    }
    else // Opaque
    {
        ::SetBkMode(hdc, OPAQUE);
        ::SetBkColor(hdc, bg);
 
        HBRUSH hbr = ::CreateSolidBrush(bg);
        ::FillRect(hdc, &rc, hbr); // Fill the background
        ::DeleteObject(hbr);
    }
 
    IntersectClipRect(hdc, rc.left, rc.top, rc.right, rc.bottom);
 
    HGDIOBJ hFontOld = ::SelectObject(hdc, font);
    ::SetTextColor(hdc, fg);
    const UINT uFormat = DT_LEFT | DT_TOP | DT_EDITCONTROL | DT_NOPREFIX | DT_NOCLIP |
                         DT_EXPANDTABS | DT_WORDBREAK;
    ::DrawTextW(hdc, lpchText, -1, &rc, uFormat);
    ::SelectObject(hdc, hFontOld);
 
    ::RestoreDC(hdc, iSaveDC); // Restore
}

Text() [2/2]

void Text	(	HDC	hdc,
		LONG	x1,
		LONG	y1,
		LONG	x2,
		LONG	y2,
		HBRUSH	hFgBrush,
		HBRUSH	hBgBrush,
		LPCWSTR	lpchText,
		HFONT	font,
		LONG	style
	)

Definition at line 535 of file drawing.cpp.

{
    INT iSaveDC = ::SaveDC(hdc); // We will modify the clipping region. Save now.
 
    CRect rc = { x1, y1, x2, y2 };
 
    ::SetBkMode(hdc, TRANSPARENT);
    if (style != 0) // Not Transparent
        ::FillRect(hdc, &rc, hBgBrush); // Fill the background
 
    IntersectClipRect(hdc, rc.left, rc.top, rc.right, rc.bottom);
 
    HGDIOBJ hFontOld = ::SelectObject(hdc, font);
    const UINT uFormat = DT_LEFT | DT_TOP | DT_EDITCONTROL | DT_NOPREFIX | DT_NOCLIP |
                         DT_EXPANDTABS | DT_WORDBREAK;
    ::BeginPath(hdc);
    ::DrawTextW(hdc, lpchText, -1, &rc, uFormat);
    ::EndPath(hdc);
 
    HRGN hRgn = PathToRegion(hdc);
    FillRgn(hdc, hRgn, hFgBrush);
    DeleteObject(hRgn);
 
    ::SelectObject(hdc, hFontOld);
 
    ::RestoreDC(hdc, iSaveDC); // Restore
}