protected override void OnMouseUp(MouseEventArgs e)
{
base.OnMouseUp(e);
if (!KeyDownShiftOnly() && !KeyDownControlOnly())
{
Cursor = cursorMouseUp;
}
if (mouseDown)
{
this.previewRenderer.Visible = true;
OnMouseMove(e);
if (savedSurfaces.Count > 0)
{
PdnRegion saveMeRegion = new PdnRegion();
saveMeRegion.MakeEmpty();
foreach (PlacedSurface pi1 in savedSurfaces)
{
saveMeRegion.Union(pi1.Bounds);
}
PdnRegion simplifiedRegion = Utility.SimplifyAndInflateRegion(saveMeRegion);
using (IrregularSurface weDrewThis = new IrregularSurface(renderArgs.Surface, simplifiedRegion))
{
for (int i = savedSurfaces.Count - 1; i >= 0; --i)
{
PlacedSurface ps = (PlacedSurface)savedSurfaces[i];
ps.Draw(renderArgs.Surface);
ps.Dispose();
}
savedSurfaces.Clear();
if (hasDrawn)
{
HistoryMemento ha = new BitmapHistoryMemento(Name, Image, DocumentWorkspace,
ActiveLayerIndex, simplifiedRegion);
weDrewThis.Draw(bitmapLayer.Surface);
HistoryStack.PushNewMemento(ha);
}
}
}
mouseDown = false;
modifierDown = 0;
}
if (brushRenderArgs != null)
{
if (brushRenderArgs.Surface != null)
{
brushRenderArgs.Surface.Dispose();
}
}
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
this.previewRenderer.BrushLocation = new Point(e.X, e.Y);
this.previewRenderer.BrushSize = AppEnvironment.PenInfo.Width / 2.0f;
if (mouseDown)
{
if (BtnDownMouseLeft(e) || BtnDownMouseRight(e))
{
if (modifierDown == 0)
{
// if the primary and secondary colors are identical,
// return...there's no point in committing any action
if (colorReplacing == colorToReplace)
{
return;
}
// get our start and end coordinates, since we need
// to trace along an action line -- the user will expect this behavior
// if we don't, it'll look like a tin can riddled with bullet holes
Point pointStartCorner = lastMouseXY; // start point
Point pointEndCorner = new Point(e.X, e.Y); // end point
// create the rectangle with the 'a' and 'b' points above
Rectangle inspectionRect =
Utility.PointsToRectangle(pointStartCorner, pointEndCorner);
// inflate the region to address account for the pen width
// then intersect with the Workspace to "clip" the boundary
// the total area of the clipped rectangle includes the
// width of the pen surrounding the points limited by either
// the canvas perimeter or the selection outline
inspectionRect.Inflate(1 + ceilingPenWidth / 2, 1 + ceilingPenWidth / 2);
inspectionRect.Intersect(ActiveLayer.Bounds);
// Enforce the selection area restrictions.
// If within the selection area restrictions, build an image history
bool gotWidth = inspectionRect.Width > 0;
bool gotHeight = inspectionRect.Height > 0;
bool isInClip = renderArgs.Graphics.IsVisible(inspectionRect);
if ((gotWidth) && (gotHeight) && (isInClip))
{
PlacedSurface savedPS = new PlacedSurface(renderArgs.Surface, inspectionRect);
savedSurfaces.Add(savedPS);
renderArgs.Graphics.CompositingMode = CompositingMode.SourceOver;
// check the mouse buttons and if we've made it this far, at least
// one of the mouse buttons (left|right) was depressed
if (BtnDownMouseLeft(e))
{
this.DrawOverPoints(pointStartCorner, pointEndCorner, colorReplacing, colorToReplace);
}
else
{
this.DrawOverPoints(pointStartCorner, pointEndCorner, colorToReplace, colorReplacing);
}
bitmapLayer.Invalidate(inspectionRect);
Update();
}
// update the lastMouseXY so we know how to "connect the dots"
lastMouseXY = pointEndCorner;
}
else
{
switch (modifierDown & (Keys.Control | Keys.Shift))
{
case Keys.Control:
PickColor(e);
break;
case Keys.Shift:
AdjustDrawingColor(e);
break;
default:
break;
}
}
}
}
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
this.previewRenderer.BrushLocation = new Point(e.X, e.Y);
this.previewRenderer.BrushSize = AppEnvironment.PenInfo.Width / 2.0f;
if (mouseDown)
{
if (BtnDownMouseLeft(e) || BtnDownMouseRight(e))
{
if (modifierDown == 0)
{
// if the primary and secondary colors are identical,
// return...there's no point in committing any action
if (colorReplacing == colorToReplace)
{
return;
}
// get our start and end coordinates, since we need
// to trace along an action line -- the user will expect this behavior
// if we don't, it'll look like a tin can riddled with bullet holes
Point pointStartCorner = lastMouseXY; // start point
Point pointEndCorner = new Point(e.X, e.Y); // end point
// create the rectangle with the 'a' and 'b' points above
Rectangle inspectionRect =
Utility.PointsToRectangle(pointStartCorner, pointEndCorner);
// inflate the region to address account for the pen width
// then intersect with the Workspace to "clip" the boundary
// the total area of the clipped rectangle includes the
// width of the pen surrounding the points limited by either
// the canvas perimeter or the selection outline
inspectionRect.Inflate(1 + ceilingPenWidth / 2, 1 + ceilingPenWidth / 2);
inspectionRect.Intersect(ActiveLayer.Bounds);
// Enforce the selection area restrictions.
// If within the selection area restrictions, build an image history
bool gotWidth = inspectionRect.Width > 0;
bool gotHeight = inspectionRect.Height > 0;
bool isInClip = renderArgs.Graphics.IsVisible(inspectionRect);
if ((gotWidth) && (gotHeight) && (isInClip))
{
PlacedSurface savedPS = new PlacedSurface(renderArgs.Surface, inspectionRect);
savedSurfaces.Add(savedPS);
renderArgs.Graphics.CompositingMode = CompositingMode.SourceOver;
// check the mouse buttons and if we've made it this far, at least
// one of the mouse buttons (left|right) was depressed
if (BtnDownMouseLeft(e))
{
this.DrawOverPoints(pointStartCorner, pointEndCorner, colorReplacing, colorToReplace);
}
else
{
this.DrawOverPoints(pointStartCorner, pointEndCorner, colorToReplace, colorReplacing);
}
bitmapLayer.Invalidate(inspectionRect);
Update();
}
// update the lastMouseXY so we know how to "connect the dots"
lastMouseXY = pointEndCorner;
}
else
{
switch (modifierDown & (Keys.Control | Keys.Shift))
{
case Keys.Control:
PickColor(e);
break;
case Keys.Shift:
AdjustDrawingColor(e);
break;
default:
break;
}
}
}
}
}
