public Pen(Color color, int width, PenEndCapStyle capStyle = PenEndCapStyle.Round, PenJoinCapStyle joinStyle = PenJoinCapStyle.Round)
{
int styleValue = 0;
switch (capStyle)
{
case PenEndCapStyle.Round: styleValue |= GDIConstants.PS_ENDCAP_ROUND; break;
case PenEndCapStyle.Flat: styleValue |= GDIConstants.PS_ENDCAP_FLAT; break;
case PenEndCapStyle.Square: styleValue |= GDIConstants.PS_ENDCAP_SQUARE; break;
}
switch (joinStyle)
{
case PenJoinCapStyle.Round: styleValue |= GDIConstants.PS_JOIN_ROUND; break;
case PenJoinCapStyle.Bevel: styleValue |= GDIConstants.PS_JOIN_BEVEL; break;
case PenJoinCapStyle.Miter: styleValue |= GDIConstants.PS_JOIN_MITER; break;
}
LOGBRUSH brush = new LOGBRUSH();
brush.lbColor = Color.ToWin32Color(color);
Handle = NativeMethods.ExtCreatePen(styleValue, width, ref brush, 0, Array.Empty <int>());
}
private static IntPtr GetHalfToneBrush()
{
if (m_halfToneBrush == IntPtr.Zero)
{
Bitmap bitmap = new Bitmap(8, 8, PixelFormat.Format32bppArgb);
Color white = Color.FromArgb(255, 255, 255, 255);
Color black = Color.FromArgb(255, 0, 0, 0);
bool flag = true;
// Alternate black and white pixels across all lines
for (int x = 0; x < 8; x++, flag = !flag)
{
for (int y = 0; y < 8; y++, flag = !flag)
{
bitmap.SetPixel(x, y, (flag ? white : black));
}
}
IntPtr hBitmap = bitmap.GetHbitmap();
LOGBRUSH brush = new LOGBRUSH();
brush.lbStyle = (uint)Win32.BrushStyles.BS_PATTERN;
brush.lbHatch = (uint)hBitmap;
m_halfToneBrush = Gdi32.CreateBrushIndirect(ref brush);
Gdi32.DeleteObject(hBitmap);
}
return(m_halfToneBrush);
}
public static extern int ExtCreatePen(
int dwPenStyle,
int dwWidth,
ref LOGBRUSH lplb,
int dwStyleCount,
ref int lpStyle
);
IntPtr CreateLineBrush()
{
short[] grayPattern = new short[8];
for (int i = 0; i < 2; i++)
{
grayPattern[i] = 0xff;
}
IntPtr hBitmap = CreateBitmap(2, 2, 1, 1, grayPattern);
LOGBRUSH lb = new LOGBRUSH(BS_PATTERN, 0, hBitmap);
IntPtr brush = CreateBrushIndirect(lb);
DeleteObject(hBitmap);
return(brush);
}
IntPtr CreateSplitBrush()
{
short[] grayPattern = new short[8];
for (int i = 0; i < 8; i++)
{
grayPattern[i] = (short)(0x5555 << (i & 1));
}
IntPtr hBitmap = CreateBitmap(8, 8, 1, 1, grayPattern);
LOGBRUSH lb = new LOGBRUSH(BS_PATTERN, 0, hBitmap);
IntPtr brush = CreateBrushIndirect(lb);
DeleteObject(hBitmap);
return(brush);
}
public static PenHandle CreatePen(PenStyleExtended style, uint width, COLORREF color, PenEndCap endCap = PenEndCap.Round, PenJoin join = PenJoin.Round)
{
LOGBRUSH brush = new LOGBRUSH
{
lbColor = color,
lpStyle = BrushStyle.Solid
};
return(Imports.ExtCreatePen(
(uint)style | (uint)PenType.Geometric | (uint)endCap | (uint)join,
width,
ref brush,
0,
null));
}
public static IntPtr CreateExtPen(HCPen aPen)
{
LOGBRUSH vPenParams = new LOGBRUSH();
switch (aPen.Style)
{
case HCPenStyle.psSolid:
case HCPenStyle.psInsideFrame:
vPenParams.lbStyle = GDI.PS_SOLID;
break;
case HCPenStyle.psDash:
vPenParams.lbStyle = GDI.PS_DASH;
break;
case HCPenStyle.psDot:
vPenParams.lbStyle = GDI.PS_DOT;
break;
case HCPenStyle.psDashDot:
vPenParams.lbStyle = GDI.PS_DASHDOT;
break;
case HCPenStyle.psDashDotDot:
vPenParams.lbStyle = GDI.PS_DASHDOTDOT;
break;
case HCPenStyle.psClear:
vPenParams.lbStyle = GDI.PS_NULL;
break;
default:
vPenParams.lbStyle = GDI.PS_SOLID;
break;
}
vPenParams.lbColor = aPen.Color.ToRGB_UInt();
vPenParams.lbHatch = 0;
if (aPen.Width != 1)
{
return((IntPtr)(GDI.ExtCreatePen(GDI.PS_GEOMETRIC | GDI.PS_ENDCAP_SQUARE, aPen.Width, ref vPenParams, 0, IntPtr.Zero)));
}
else
{
return((IntPtr)(GDI.ExtCreatePen(GDI.PS_COSMETIC | GDI.PS_ENDCAP_SQUARE, aPen.Width, ref vPenParams, 0, IntPtr.Zero)));
}
}
public static extern IntPtr CreateBrushIndirect([In] ref LOGBRUSH lplb);
public static extern IntPtr CreateBrushIndirect(ref LOGBRUSH brush);
public static extern IntPtr ExtCreatePen(uint iPenStyle, uint cWidth, [In] ref LOGBRUSH plbrush, uint cStyle, [In] IntPtr pstyle);
public static extern IntPtr CreateBrushIndirect(ref LOGBRUSH brush);
public static extern IntPtr ExtCreatePen(int style, int nWidth, LOGBRUSH logbrush, int styleArrayLength, int[] styleArray);
public HCBrush()
{
FLogBrush = new LOGBRUSH();
ReCreateHandle();
}
static extern IntPtr CreateBrushIndirect(LOGBRUSH lb);
public static extern Win32ObjectSafeHandle ExtCreatePen(uint dwPenStyle, uint dwWidth, ref LOGBRUSH lplb, uint dwStyleCount, [In][Out] uint[] lpStyle);
static extern IntPtr ExtCreatePen(UInt32 dwPenStyle, UInt32 dwWidth, ref LOGBRUSH lplb, UInt32 dwStyleCount, UInt32[] lpStyle);
static extern IntPtr ExtCreatePen(UInt32 dwPenStyle, UInt32 dwWidth, ref LOGBRUSH lplb, UInt32 dwStyleCount, UInt32[] lpStyle);
internal static extern IntPtr ExtCreatePen(PenStyle dwPenStyle, uint dwWidth,
[In] ref LOGBRUSH lplb, uint dwStyleCount, uint[] lpStyle);
public static extern PenHandle ExtCreatePen(
uint dwPenStyle,
uint dwWidth,
[In] ref LOGBRUSH lplb,
uint dwStyleCount,
uint[] lpStyle);
public static extern IntPtr ExtCreatePen(int style, int nWidth, LOGBRUSH logbrush, int styleArrayLength, int[] styleArray);
public static IntPtr CreateBrushIndirect(LOGBRUSH lpLogBrush)
{
NotImplemented(MethodBase.GetCurrentMethod());
return(IntPtr.Zero);
}
public unsafe static extern HPEN ExtCreatePen(PS fnStyle, int dwWidth, ref LOGBRUSH lplb, uint dwStyleCount, uint *lpStyle);
public static extern HBRUSH CreateBrushIndirect(ref LOGBRUSH lb);
