public void Reset(int hPageNum, int vPageNum, int newWidth, int newHeight)
{
this.pageNumFlags = (hPageNum << 8) | vPageNum;
this.ReleaseUnManagedResource();
this.ClearPreviousStoredValues();
var orgHdc = MyWin32.CreateCompatibleDC(IntPtr.Zero);
System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(newWidth, newHeight, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
hbmp = bmp.GetHbitmap();
MyWin32.SelectObject(orgHdc, hbmp);
MyWin32.PatBlt(orgHdc, 0, 0, newWidth, newHeight, MyWin32.WHITENESS);
MyWin32.SetBkMode(orgHdc, MyWin32._SetBkMode_TRANSPARENT);
hFont = defaultHFont;
MyWin32.SelectObject(orgHdc, hFont);
currentClipRect = new System.Drawing.Rectangle(0, 0, newWidth, newHeight);
MyWin32.SelectObject(orgHdc, hRgn);
gx = System.Drawing.Graphics.FromHdc(orgHdc);
this.originalHdc = orgHdc;
gx.Clear(System.Drawing.Color.White);
MyWin32.SetRectRgn(hRgn, 0, 0, newWidth, newHeight);
left = hPageNum * newWidth;
top = vPageNum * newHeight;
right = left + newWidth;
bottom = top + newHeight;
#if DEBUG
debug_resetCount++;
#endif
}
public override void DrawText(char[] buffer, Rectangle logicalTextBox, int textAlignment)
{
ReleaseHdc();
IntPtr gxdc = gx.GetHdc();
var clipRect = System.Drawing.Rectangle.Intersect(logicalTextBox.ToRect(), currentClipRect);
clipRect.Offset(canvasOriginX, canvasOriginY);
MyWin32.SetRectRgn(hRgn,
clipRect.Left,
clipRect.Top,
clipRect.Right,
clipRect.Bottom);
MyWin32.SelectClipRgn(gxdc, hRgn);
NativeTextWin32.TextOut(gxdc, CanvasOrgX + logicalTextBox.X, CanvasOrgY + logicalTextBox.Y, buffer, buffer.Length);
MyWin32.SelectClipRgn(gxdc, IntPtr.Zero);
gx.ReleaseHdc();
//ReleaseHdc();
//IntPtr gxdc = gx.GetHdc();
//MyWin32.SetViewportOrgEx(gxdc, CanvasOrgX, CanvasOrgY, IntPtr.Zero);
//System.Drawing.Rectangle clipRect =
// System.Drawing.Rectangle.Intersect(logicalTextBox.ToRect(), currentClipRect);
//clipRect.Offset(CanvasOrgX, CanvasOrgY);
//MyWin32.SetRectRgn(hRgn, clipRect.X, clipRect.Y, clipRect.Right, clipRect.Bottom);
//MyWin32.SelectClipRgn(gxdc, hRgn);
//NativeTextWin32.TextOut(gxdc, logicalTextBox.X, logicalTextBox.Y, buffer, buffer.Length);
//MyWin32.SelectClipRgn(gxdc, IntPtr.Zero);
//MyWin32.SetViewportOrgEx(gxdc, -CanvasOrgX, -CanvasOrgY, IntPtr.Zero);
//gx.ReleaseHdc();
}
public void Reuse(int hPageNum, int vPageNum)
{
this.pageNumFlags = (hPageNum << 8) | vPageNum;
int w = this.Width;
int h = this.Height;
this.ClearPreviousStoredValues();
currentClipRect = new System.Drawing.Rectangle(0, 0, w, h);
gx.Clear(System.Drawing.Color.White);
MyWin32.SetRectRgn(hRgn, 0, 0, w, h);
left = hPageNum * w;
top = vPageNum * h;
right = left + w;
bottom = top + h;
}
//==============================================
public override void DrawText(char[] buffer, int x, int y)
{
ReleaseHdc();
IntPtr gxdc = gx.GetHdc();
var clipRect = currentClipRect;
clipRect.Offset(canvasOriginX, canvasOriginY);
MyWin32.SetRectRgn(hRgn,
clipRect.Left,
clipRect.Top,
clipRect.Right,
clipRect.Bottom);
MyWin32.SelectClipRgn(gxdc, hRgn);
NativeTextWin32.TextOut(gxdc, CanvasOrgX + x, CanvasOrgY + y, buffer, buffer.Length);
MyWin32.SelectClipRgn(gxdc, IntPtr.Zero);
gx.ReleaseHdc();
}
public override void DrawText(char[] str, int startAt, int len, Rectangle logicalTextBox, int textAlignment)
{
#if DEBUG
dbugCounter.dbugDrawStringCount++;
#endif
var color = this.CurrentTextColor;
if (color.A == 255)
{
var clipRect = Rectangle.Intersect(logicalTextBox,
new Rectangle(currentClipRect.Left,
currentClipRect.Top,
currentClipRect.Width,
currentClipRect.Height));
clipRect.Offset(canvasOriginX, canvasOriginY);
MyWin32.SetRectRgn(hRgn,
clipRect.Left,
clipRect.Top,
clipRect.Right,
clipRect.Bottom);
MyWin32.SelectClipRgn(tempDc, hRgn);
unsafe
{
fixed(char *startAddr = &str[0])
{
NativeTextWin32.TextOutUnsafe(tempDc,
(int)logicalTextBox.X + canvasOriginX,
(int)logicalTextBox.Y + canvasOriginY,
(startAddr + startAt), len);
}
}
MyWin32.SelectClipRgn(tempDc, IntPtr.Zero);
#if DEBUG
//NativeTextWin32.dbugDrawTextOrigin(tempDc,
// logicalTextBox.X + canvasOriginX,
// logicalTextBox.Y + canvasOriginY);
#endif
}
else
{
//translucent / transparent text
InitHdc();
var intersectRect = Rectangle.Intersect(logicalTextBox,
new Rectangle(currentClipRect.Left,
currentClipRect.Top,
currentClipRect.Width,
currentClipRect.Height));
intersectRect.Offset(canvasOriginX, canvasOriginY);
MyWin32.SetRectRgn(hRgn,
intersectRect.Left,
intersectRect.Top,
intersectRect.Right,
intersectRect.Bottom);
MyWin32.SelectClipRgn(tempDc, hRgn);
unsafe
{
fixed(char *startAddr = &str[0])
{
NativeTextWin32.TextOutUnsafe(tempDc,
logicalTextBox.X + canvasOriginX,
logicalTextBox.Y + canvasOriginY,
(startAddr + startAt), len);
}
}
#if DEBUG
//NativeTextWin32.dbugDrawTextOrigin(tempDc,
// logicalTextBox.X + canvasOriginX,
// logicalTextBox.Y + canvasOriginY);
#endif
}
}
