/// <summary>
/// Draws the Root into a memory buffer, then rotates it 90deg clockwise while drawing
/// the memory buffer to the screen.
/// See C++ documentation for more info.
/// </summary>
public void DrawTheRootRotated(IVwRootBox rootb, IntPtr hdc, Rect rcpDraw, uint bkclr,
bool fDrawSel, IVwRootSite vrs, int nHow)
{
IVwGraphicsWin32 qvg32 = VwGraphicsWin32Class.Create();
Rectangle rcp = new Rectangle(rcpDraw.top, rcpDraw.left, rcpDraw.bottom, rcpDraw.right);
Rectangle rcFill = new Rect(0, 0, rcp.Width, rcp.Height);
using (Graphics screen = Graphics.FromHdc(hdc))
using (var memoryBuffer = new MemoryBuffer(rcp.Width, rcp.Height))
{
memoryBuffer.Graphics.FillRectangle(new SolidBrush(ColorUtil.ConvertBGRtoColor(bkclr)), rcFill);
qvg32.Initialize(memoryBuffer.Graphics.GetHdc());
IVwGraphics qvgDummy = null;
try
{
Rect rcDst, rcSrc;
vrs.GetGraphics(rootb, out qvgDummy, out rcSrc, out rcDst);
Rectangle temp = rcDst;
temp.Offset(-rcp.Left, -rcp.Top);
rcDst = temp;
qvg32.XUnitsPerInch = qvgDummy.XUnitsPerInch;
qvg32.YUnitsPerInch = qvgDummy.YUnitsPerInch;
rootb.DrawRoot(qvg32, rcSrc, rcDst, fDrawSel);
vrs.ReleaseGraphics(rootb, qvgDummy);
qvgDummy = null;
}
catch (Exception)
{
if (qvgDummy != null)
{
vrs.ReleaseGraphics(rootb, qvgDummy);
}
qvg32.ReleaseDC();
throw;
}
Point[] rgptTransform = new Point[3];
rgptTransform[0] = new Point(rcpDraw.right, rcpDraw.top); // upper left of actual drawing maps to top right of rotated drawing
rgptTransform[1] = new Point(rcpDraw.right, rcpDraw.bottom); // upper right of actual drawing maps to bottom right of rotated drawing.
rgptTransform[2] = new Point(rcpDraw.left, rcpDraw.top); // bottom left of actual drawing maps to top left of rotated drawing.
screen.DrawImage((Image)memoryBuffer.Bitmap, rgptTransform, new Rectangle(0, 0, rcp.Width, rcp.Height), GraphicsUnit.Pixel);
qvg32.ReleaseDC();
}
}
/// <summary>
/// See C++ documentation
/// </summary>
public void DrawTheRoot(IVwRootBox prootb, IntPtr hdc, Rect rcpDraw, uint bkclr,
bool fDrawSel, IVwRootSite pvrs)
{
IVwSynchronizer synchronizer = prootb.Synchronizer;
if (synchronizer != null)
{
try
{
if (synchronizer.IsExpandingLazyItems)
{
return;
}
}
catch (Exception e)
{
Console.WriteLine("call to IsExpandingLazyItems caused exceptionException e ={0}", e);
}
}
IVwGraphicsWin32 qvg = VwGraphicsWin32Class.Create();
Rectangle rcp = rcpDraw;
using (Graphics screen = Graphics.FromHdc(hdc))
using (var memoryBuffer = new MemoryBuffer(rcp.Width, rcp.Height))
{
memoryBuffer.Graphics.FillRectangle(new SolidBrush(ColorUtil.ConvertBGRtoColor(bkclr)), 0, 0,
rcp.Width, rcp.Height);
qvg.Initialize(memoryBuffer.Graphics.GetHdc());
VwPrepDrawResult xpdr = VwPrepDrawResult.kxpdrAdjust;
IVwGraphics qvgDummy = null;
try
{
Rect rcDst, rcSrc;
while (xpdr == VwPrepDrawResult.kxpdrAdjust)
{
pvrs.GetGraphics(prootb, out qvgDummy, out rcSrc, out rcDst);
Rectangle temp = rcDst;
temp.Offset(-rcp.Left, -rcp.Top);
rcDst = temp;
qvg.XUnitsPerInch = qvgDummy.XUnitsPerInch;
qvg.YUnitsPerInch = qvgDummy.YUnitsPerInch;
xpdr = prootb.PrepareToDraw(qvg, rcSrc, rcDst);
pvrs.ReleaseGraphics(prootb, qvgDummy);
qvgDummy = null;
}
if (xpdr != VwPrepDrawResult.kxpdrInvalidate)
{
pvrs.GetGraphics(prootb, out qvgDummy, out rcSrc, out rcDst);
Rectangle temp = rcDst;
temp.Offset(-rcp.Left, -rcp.Top);
rcDst = temp;
qvg.XUnitsPerInch = qvgDummy.XUnitsPerInch;
qvg.YUnitsPerInch = qvgDummy.YUnitsPerInch;
try
{
prootb.DrawRoot(qvg, rcSrc, rcDst, fDrawSel);
}
catch (Exception e)
{
Console.WriteLine("DrawRoot e = {0} qvg = {1} rcSrc = {2} rcDst = {3} fDrawSel = {4}", e, qvg, rcSrc, rcDst, fDrawSel);
}
pvrs.ReleaseGraphics(prootb, qvgDummy);
qvgDummy = null;
}
}
catch (Exception)
{
if (qvgDummy != null)
{
pvrs.ReleaseGraphics(prootb, qvgDummy);
}
qvg.ReleaseDC();
throw;
}
if (xpdr != VwPrepDrawResult.kxpdrInvalidate)
{
screen.DrawImageUnscaled(memoryBuffer.Bitmap, rcp.Left, rcp.Top, rcp.Width, rcp.Height);
}
qvg.ReleaseDC();
}
}
/// <summary>
/// See C++ documentation
/// </summary>
public void DrawTheRoot(IVwRootBox prootb, IntPtr hdc, Rect rcpDraw, uint bkclr,
bool fDrawSel, IVwRootSite pvrs)
{
IVwSynchronizer synchronizer = prootb.Synchronizer;
if (synchronizer != null)
{
try
{
if (synchronizer.IsExpandingLazyItems)
{
return;
}
}
catch (Exception e)
{
Console.WriteLine("call to IsExpandingLazyItems caused exceptionException e ={0}", e);
}
}
IVwGraphicsWin32 qvg = VwGraphicsWin32Class.Create();
Rectangle rcp = rcpDraw;
using (Graphics screen = Graphics.FromHdc(hdc))
using (var memoryBuffer = new MemoryBuffer(rcp.Width, rcp.Height))
{
memoryBuffer.Graphics.FillRectangle(new SolidBrush(ColorUtil.ConvertBGRtoColor(bkclr)), 0, 0,
rcp.Width, rcp.Height);
qvg.Initialize(memoryBuffer.Graphics.GetHdc());
VwPrepDrawResult xpdr = VwPrepDrawResult.kxpdrAdjust;
IVwGraphics qvgDummy = null;
try
{
Rect rcDst, rcSrc;
while (xpdr == VwPrepDrawResult.kxpdrAdjust)
{
pvrs.GetGraphics(prootb, out qvgDummy, out rcSrc, out rcDst);
Rectangle temp = rcDst;
temp.Offset(-rcp.Left, -rcp.Top);
rcDst = temp;
qvg.XUnitsPerInch = qvgDummy.XUnitsPerInch;
qvg.YUnitsPerInch = qvgDummy.YUnitsPerInch;
xpdr = prootb.PrepareToDraw(qvg, rcSrc, rcDst);
pvrs.ReleaseGraphics(prootb, qvgDummy);
qvgDummy = null;
}
if (xpdr != VwPrepDrawResult.kxpdrInvalidate)
{
pvrs.GetGraphics(prootb, out qvgDummy, out rcSrc, out rcDst);
Rectangle temp = rcDst;
temp.Offset(-rcp.Left, -rcp.Top);
rcDst = temp;
qvg.XUnitsPerInch = qvgDummy.XUnitsPerInch;
qvg.YUnitsPerInch = qvgDummy.YUnitsPerInch;
try
{
prootb.DrawRoot(qvg, rcSrc, rcDst, fDrawSel);
}
catch (Exception e)
{
Console.WriteLine("DrawRoot e = {0} qvg = {1} rcSrc = {2} rcDst = {3} fDrawSel = {4}", e, qvg, rcSrc, rcDst, fDrawSel);
}
pvrs.ReleaseGraphics(prootb, qvgDummy);
qvgDummy = null;
}
}
catch (Exception)
{
if (qvgDummy != null)
pvrs.ReleaseGraphics(prootb, qvgDummy);
qvg.ReleaseDC();
throw;
}
if (xpdr != VwPrepDrawResult.kxpdrInvalidate)
{
screen.DrawImageUnscaled(memoryBuffer.Bitmap, rcp.Left, rcp.Top, rcp.Width, rcp.Height);
}
qvg.ReleaseDC();
}
}
/// <summary>
/// Draws the Root into a memory buffer, then rotates it 90deg clockwise while drawing
/// the memory buffer to the screen.
/// See C++ documentation for more info.
/// </summary>
public void DrawTheRootRotated(IVwRootBox rootb, IntPtr hdc, Rect rcpDraw, uint bkclr,
bool fDrawSel, IVwRootSite vrs, int nHow)
{
IVwGraphicsWin32 qvg32 = VwGraphicsWin32Class.Create();
Rectangle rcp = new Rectangle(rcpDraw.top, rcpDraw.left, rcpDraw.bottom, rcpDraw.right);
Rectangle rcFill = new Rect(0, 0, rcp.Width, rcp.Height);
using (Graphics screen = Graphics.FromHdc(hdc))
using (var memoryBuffer = new MemoryBuffer(rcp.Width, rcp.Height))
{
memoryBuffer.Graphics.FillRectangle(new SolidBrush(ColorUtil.ConvertBGRtoColor(bkclr)), rcFill);
qvg32.Initialize(memoryBuffer.Graphics.GetHdc());
IVwGraphics qvgDummy = null;
try
{
Rect rcDst, rcSrc;
vrs.GetGraphics(rootb, out qvgDummy, out rcSrc, out rcDst);
Rectangle temp = rcDst;
temp.Offset(-rcp.Left, -rcp.Top);
rcDst = temp;
qvg32.XUnitsPerInch = qvgDummy.XUnitsPerInch;
qvg32.YUnitsPerInch = qvgDummy.YUnitsPerInch;
rootb.DrawRoot(qvg32, rcSrc, rcDst, fDrawSel);
vrs.ReleaseGraphics(rootb, qvgDummy);
qvgDummy = null;
}
catch (Exception)
{
if (qvgDummy != null)
vrs.ReleaseGraphics(rootb, qvgDummy);
qvg32.ReleaseDC();
throw;
}
Point[] rgptTransform = new Point[3];
rgptTransform[0] = new Point(rcpDraw.right, rcpDraw.top); // upper left of actual drawing maps to top right of rotated drawing
rgptTransform[1] = new Point(rcpDraw.right, rcpDraw.bottom); // upper right of actual drawing maps to bottom right of rotated drawing.
rgptTransform[2] = new Point(rcpDraw.left, rcpDraw.top); // bottom left of actual drawing maps to top left of rotated drawing.
screen.DrawImage((Image)memoryBuffer.Bitmap, rgptTransform, new Rectangle(0, 0, rcp.Width, rcp.Height), GraphicsUnit.Pixel);
qvg32.ReleaseDC();
}
}
