|
public FloodFill ( int x, int y, Color newColor ) : |
||
| x | int | start x |
| y | int | start y |
| newColor | Color | color to replace with |
| return | ||
private void DoTool()
{
Rectangle rect;
switch (Tool)
{
case ImageTool.Pen:
DrawPenLine();
break;
case ImageTool.Line:
_edit_canvas.DrawLine(_draw_pen, _start_anchor, _mouse);
_end_anchor = _end_anchor = _mouse;
break;
case ImageTool.Rectangle:
rect = Line.ToRectangle(new Line(_start_anchor, _mouse));
if (!Outlined)
{
rect.Width += 1;
rect.Height += 1;
_edit_canvas.FillRectangle(_draw_brush, rect);
}
else _edit_canvas.DrawRectangle(_draw_pen, rect);
_end_anchor = _mouse;
break;
case ImageTool.Floodfill:
FastBitmap bmap = new FastBitmap(_edit_layer);
bmap.LockImage();
rect = bmap.FloodFill(_mouse.X, _mouse.Y, DrawColor);
bmap.UnlockImage();
_start_anchor = rect.Location;
_end_anchor.X = rect.Right;
_end_anchor.Y = rect.Bottom;
break;
}
}
private void DoTool(Graphics g)
{
g.CompositingMode = System.Drawing.Drawing2D.CompositingMode.SourceCopy;
int cx = x_off + cur_x, cy = y_off + cur_y;
edit_region.Width++; edit_region.Height++;
edit_region.X += x_off; edit_region.Y += y_off;
g.SetClip(edit_region);
switch (_tool)
{
case Tool.Pen:
g.DrawLine(SelPen, x_off + last_x, y_off + last_y, cx, cy);
break;
case Tool.Line:
g.DrawLine(SelPen, x_off + Origin.X, y_off + Origin.Y, cx, cy);
break;
case Tool.Rect:
if (!Outline)
{
using (SolidBrush brush = new SolidBrush(color))
{
g.FillRectangle(brush, edit_region);
}
}
else
{
edit_region.Width--; edit_region.Height--;
if (edit_region.Width == 0 || edit_region.Height == 0)
g.DrawLine(SelPen, edit_region.X, edit_region.Y, edit_region.Right, edit_region.Bottom);
else
g.DrawRectangle(SelPen, edit_region);
edit_region.Width++; edit_region.Height++;
}
break;
case Tool.Fill:
FastBitmap bmap = new FastBitmap(edit_layer);
bmap.LockImage();
edit_region = bmap.FloodFill(cx, cy, color);
edit_region.Width++; edit_region.Height++;
bmap.UnlockImage();
break;
// case 4: ellipse
}
edit_region.Width--; edit_region.Height--;
edit_region.X -= x_off; edit_region.Y -= y_off;
g.ResetClip();
g.Dispose();
}
