protected override void OnMouseUp(Document document, ToolMouseEventArgs e)
{
// If the user didn't move the mouse, they want to deselect
var tolerance = 0;
if (Math.Abs(reset_origin.X - e.WindowPoint.X) <= tolerance && Math.Abs(reset_origin.Y - e.WindowPoint.Y) <= tolerance)
{
// Mark as being done interactive drawing before invoking the deselect action.
// This will allow AfterSelectionChanged() to clear the selection.
is_drawing = false;
if (hist != null)
{
// Roll back any changes made to the selection, e.g. in OnMouseDown().
hist.Undo();
hist.Dispose();
hist = null;
}
PintaCore.Actions.Edit.Deselect.Activate();
}
else
{
ClearHandles(document.Layers.ToolLayer);
var dirty = ReDraw(document, e.IsShiftPressed);
if (document.Selection != null)
{
SelectionModeHandler.PerformSelectionMode(combine_mode, document.Selection.SelectionPolygons);
document.Selection.Origin = shape_origin;
document.Selection.End = shape_end;
document.Workspace.Invalidate(last_dirty.Union(dirty));
last_dirty = dirty;
}
if (hist != null)
{
document.History.PushNewItem(hist);
hist = null;
}
}
is_drawing = false;
active_control = null;
// Update the mouse cursor.
UpdateCursor(document, e.PointDouble);
}
public void Reposition(Gdk.Rectangle rect)
{
bool firstRect = true;
foreach (SelectionHandlePart s in selection)
{
s.Reposition(rect);
Gdk.Rectangle r = s.Allocation;
if (firstRect)
{
allocation = r;
firstRect = false;
}
else
{
allocation = allocation.Union(r);
}
}
}
protected override void OnSizeAllocated(Gdk.Rectangle alloc)
{
base.OnSizeAllocated(alloc);
int legend_height = LegendHeight();
Gdk.Rectangle bar = new Rectangle(alloc.X + border, alloc.Y + border,
alloc.Width - 2 * border,
alloc.Height - 2 * border - glass.handle_height);
if (left.Allocation.Y != bar.Y || left.Allocation.X != bar.X)
{
left.SetSizeRequest(-1, bar.Height);
this.Move(left, bar.X - Allocation.X, bar.Y - Allocation.Y);
}
if (right.Allocation.Y != bar.Y || right.Allocation.X != bar.X + bar.Width - right.Allocation.Width)
{
right.SetSizeRequest(-1, bar.Height);
this.Move(right, bar.X - Allocation.X + bar.Width - right.Allocation.Width,
bar.Y - Allocation.Y);
}
background = new Rectangle(bar.X + left.Allocation.Width, bar.Y,
bar.Width - left.Allocation.Width - right.Allocation.Width,
bar.Height);
legend = new Rectangle(background.X, background.Y,
background.Width, legend_height);
action = background.Union(glass.Bounds());
if (event_window != null)
{
event_window.MoveResize(action.X, action.Y, action.Width, action.Height);
}
this.Offset = this.Offset;
UpdateButtons();
}
/// <summary>
/// Create a cursor icon with a shape that visually represents the tool's thickness.
/// </summary>
/// <param name="imgName">A string containing the name of the tool's icon image to use.</param>
/// <param name="shape">The shape to draw.</param>
/// <param name="shapeWidth">The width of the shape.</param>
/// <param name="imgToShapeX">The horizontal distance between the image's top-left corner and the shape center.</param>
/// <param name="imgToShapeY">The verical distance between the image's top-left corner and the shape center.</param>
/// <param name="shapeX">The X position in the returned Pixbuf that will be the center of the shape.</param>
/// <param name="shapeY">The Y position in the returned Pixbuf that will be the center of the shape.</param>
/// <returns>The new cursor icon with an shape that represents the tool's thickness.</returns>
public static Gdk.Pixbuf CreateIconWithShape(string imgName, CursorShape shape, int shapeWidth,
int imgToShapeX, int imgToShapeY,
out int shapeX, out int shapeY)
{
Gdk.Pixbuf img = PintaCore.Resources.GetIcon(imgName);
double zoom = 1d;
if (PintaCore.Workspace.HasOpenDocuments)
{
zoom = Math.Min(30d, PintaCore.Workspace.ActiveDocument.Workspace.Scale);
}
shapeWidth = (int)Math.Min(800d, ((double)shapeWidth) * zoom);
int halfOfShapeWidth = shapeWidth / 2;
// Calculate bounding boxes around the both image and shape
// relative to the image top-left corner.
Gdk.Rectangle imgBBox = new Gdk.Rectangle(0, 0, img.Width, img.Height);
Gdk.Rectangle shapeBBox = new Gdk.Rectangle(
imgToShapeX - halfOfShapeWidth,
imgToShapeY - halfOfShapeWidth,
shapeWidth,
shapeWidth);
// Inflate shape bounding box to allow for anti-aliasing
shapeBBox.Inflate(2, 2);
// To determine required size of icon,
// find union of the image and shape bounding boxes
// (still relative to image top-left corner)
Gdk.Rectangle iconBBox = imgBBox.Union(shapeBBox);
// Image top-left corner in icon co-ordinates
int imgX = imgBBox.Left - iconBBox.Left;
int imgY = imgBBox.Top - iconBBox.Top;
// Shape center point in icon co-ordinates
shapeX = imgToShapeX - iconBBox.Left;
shapeY = imgToShapeY - iconBBox.Top;
using (var i = CairoExtensions.CreateImageSurface(Cairo.Format.ARGB32, iconBBox.Width, iconBBox.Height)) {
using (var g = new Cairo.Context(i)) {
// Don't show shape if shapeWidth less than 3,
if (shapeWidth > 3)
{
int diam = Math.Max(1, shapeWidth - 2);
Cairo.Rectangle shapeRect = new Cairo.Rectangle(shapeX - halfOfShapeWidth,
shapeY - halfOfShapeWidth,
diam,
diam);
Cairo.Color outerColor = new Cairo.Color(255, 255, 255, 0.75);
Cairo.Color innerColor = new Cairo.Color(0, 0, 0);
switch (shape)
{
case CursorShape.Ellipse:
g.DrawEllipse(shapeRect, outerColor, 2);
shapeRect = shapeRect.Inflate(-1, -1);
g.DrawEllipse(shapeRect, innerColor, 1);
break;
case CursorShape.Rectangle:
g.DrawRectangle(shapeRect, outerColor, 1);
shapeRect = shapeRect.Inflate(-1, -1);
g.DrawRectangle(shapeRect, innerColor, 1);
break;
}
}
// Draw the image
g.DrawPixbuf(img, new Cairo.Point(imgX, imgY));
}
return(CairoExtensions.ToPixbuf(i));
}
}
protected override void OnSizeAllocated(Gdk.Rectangle alloc)
{
base.OnSizeAllocated (alloc);
int legend_height = LegendHeight ();
Gdk.Rectangle bar = new Rectangle (alloc.X + border, alloc.Y + border,
alloc.Width - 2 * border,
alloc.Height - 2 * border - glass.handle_height);
if (left.Allocation.Y != bar.Y || left.Allocation.X != bar.X) {
left.SetSizeRequest (-1, bar.Height);
this.Move (left, bar.X - Allocation.X, bar.Y - Allocation.Y);
}
if (right.Allocation.Y != bar.Y || right.Allocation.X != bar.X + bar.Width - right.Allocation.Width) {
right.SetSizeRequest (-1, bar.Height);
this.Move (right, bar.X - Allocation.X + bar.Width - right.Allocation.Width,
bar.Y - Allocation.Y);
}
background = new Rectangle (bar.X + left.Allocation.Width, bar.Y,
bar.Width - left.Allocation.Width - right.Allocation.Width,
bar.Height);
legend = new Rectangle (background.X, background.Y,
background.Width, legend_height);
action = background.Union (glass.Bounds ());
if (event_window != null)
event_window.MoveResize (action.X, action.Y, action.Width, action.Height);
this.Offset = this.Offset;
UpdateButtons ();
}
/// <summary>
/// Create a cursor icon with a shape that visually represents the tool's thickness.
/// </summary>
/// <param name="imgName">A string containing the name of the tool's icon image to use.</param>
/// <param name="shape">The shape to draw.</param>
/// <param name="shapeWidth">The width of the shape.</param>
/// <param name="imgToShapeX">The horizontal distance between the image's top-left corner and the shape center.</param>
/// <param name="imgToShapeX">The verical distance between the image's top-left corner and the shape center.</param>
/// <param name="shapeX">The X position in the returned Pixbuf that will be the center of the shape.</param>
/// <param name="shapeY">The Y position in the returned Pixbuf that will be the center of the shape.</param>
/// <returns>The new cursor icon with an shape that represents the tool's thickness.</returns>
protected Gdk.Pixbuf CreateIconWithShape(string imgName, CursorShape shape, int shapeWidth,
int imgToShapeX, int imgToShapeY,
out int shapeX, out int shapeY)
{
Gdk.Pixbuf img = PintaCore.Resources.GetIcon(imgName);
double zoom = 1d;
if (PintaCore.Workspace.HasOpenDocuments)
{
zoom = Math.Min(30d, PintaCore.Workspace.ActiveDocument.Workspace.Scale);
}
shapeWidth = (int)Math.Min(800d, ((double)shapeWidth) * zoom);
int halfOfShapeWidth = shapeWidth / 2;
// Calculate bounding boxes around the both image and shape
// relative to the image top-left corner.
Gdk.Rectangle imgBBox = new Gdk.Rectangle(0, 0, img.Width, img.Height);
Gdk.Rectangle shapeBBox = new Gdk.Rectangle(
imgToShapeX - halfOfShapeWidth,
imgToShapeY - halfOfShapeWidth,
shapeWidth,
shapeWidth);
// Inflate shape bounding box to allow for anti-aliasing
shapeBBox.Inflate(2, 2);
// To determine required size of icon,
// find union of the image and shape bounding boxes
// (still relative to image top-left corner)
Gdk.Rectangle iconBBox = imgBBox.Union (shapeBBox);
// Image top-left corner in icon co-ordinates
int imgX = imgBBox.Left - iconBBox.Left;
int imgY = imgBBox.Top - iconBBox.Top;
// Shape center point in icon co-ordinates
shapeX = imgToShapeX - iconBBox.Left;
shapeY = imgToShapeY - iconBBox.Top;
ImageSurface i = new ImageSurface(Format.ARGB32, iconBBox.Width, iconBBox.Height);
using (Context g = new Context(i))
{
// Don't show shape if shapeWidth less than 3,
if (shapeWidth > 3)
{
int diam = Math.Max (1, shapeWidth - 2);
Cairo.Rectangle shapeRect = new Cairo.Rectangle(shapeX - halfOfShapeWidth,
shapeY - halfOfShapeWidth,
diam,
diam);
Cairo.Color outerColor = new Cairo.Color (255, 255, 255, 0.5);
Cairo.Color innerColor = new Cairo.Color (0, 0, 0);
switch (shape)
{
case CursorShape.Ellipse:
g.DrawEllipse(shapeRect, outerColor, 1);
shapeRect = shapeRect.Inflate (-1, -1);
g.DrawEllipse(shapeRect, innerColor, 1);
break;
case CursorShape.Rectangle:
g.DrawRectangle(shapeRect, outerColor, 1);
shapeRect = shapeRect.Inflate (-1, -1);
g.DrawRectangle(shapeRect, innerColor, 1);
break;
}
}
// Draw the image
g.DrawPixbuf(img, new Cairo.Point(imgX, imgY));
}
return CairoExtensions.ToPixbuf(i);
}