public override void reset(long time)
{
base.reset(time);
TLayer layer = sequence.animation.layer;
if (layer is TActor)
{
TActor target = (TActor)layer;
if (type == ActionType.TO)
{
run_point0 = target.position;
run_point1 = this.point1;
run_point2 = this.point2;
run_point3 = this.point3;
}
else if (type == ActionType.BY)
{
run_point0 = target.position;
run_point1 = new PointF(target.position.X + this.point1.X, target.position.Y + this.point1.Y);
run_point2 = new PointF(target.position.X + this.point2.X, target.position.Y + this.point2.Y);
run_point3 = new PointF(target.position.X + this.point3.X, target.position.Y + this.point3.Y);
}
run_easingFunction = new TEasingFunction();
}
}
public void setFinalData(TActor actor)
{
final.name = actor.name;
final.draggable = actor.draggable;
final.acceleratorSensibility = actor.acceleratorSensibility;
final.anchor = actor.anchor;
final.position = actor.position;
final.scale = actor.scale;
final.skew = actor.skew;
final.rotation = actor.rotation;
final.backgroundColor = actor.backgroundColor;
final.alpha = actor.alpha;
final.zIndex = actor.zIndex;
final.interactionBound = actor.interactionBound;
final.autoInteractionBound = actor.autoInteractionBound;
final.puzzleArea = actor.puzzleArea;
final.puzzle = actor.puzzle;
if (actor is TTextActor)
{
TTextActor textActor = actor as TTextActor;
final.text = textActor.text;
final.font = textActor.font;
final.color = textActor.color;
final.boxSize = textActor.boxSize;
}
}
public override TActor actorAtPosition(Matrix m, PointF screenPos, bool withinInteraction)
{
if (run_extraActors != null)
{
for (int i = run_extraActors.Count - 1; i >= 0; i--)
{
TActor ret = run_extraActors[i].actorAtPosition(m, screenPos, withinInteraction);
if (ret != null)
{
return(ret);
}
}
}
List <TActor> items = this.sortedChilds();
for (int i = items.Count - 1; i >= 0; i--)
{
TActor ret = items[i].actorAtPosition(m, screenPos, withinInteraction);
if (ret != null)
{
return(ret);
}
}
return(null);
}
private void pnlDisplayBox_MouseDown(object sender, MouseEventArgs e)
{
if (currentScene == null)
{
return;
}
if (e.Button == MouseButtons.Left && transitionDelegate == null)
{
// matrix
Matrix mat = matrixOfEmulator();
// set flag that mouse is pressed and store position
MousePressed = true;
MouseDownPos = new PointF(e.X, e.Y);
// target item
TActor selectedActor = currentScene.actorAtPosition(mat, e.Location, true);
if (selectedActor != null)
{
// fire touch event
MouseDownActor = selectedActor;
MouseDownActor.fireEvent(Program.DEFAULT_EVENT_TOUCH, false);
// fire drag event
if (MouseDownActor.draggable || MouseDownActor.puzzle)
{
MouseDownActor.createBackup();
}
}
// redraw workspace
this.pnlDisplayBox.Refresh();
}
}
public TransferActorAction(TDocument doc, TActor actor, TLayer parent)
{
this.document = doc;
this.actor = actor;
this.oldData = new ActorMatrixData();
this.newData = new ActorMatrixData();
this.oldParent = actor.parent;
this.newParent = parent;
this.oldData.position = actor.position;
this.oldData.scale = actor.scale;
this.oldData.skew = actor.skew;
this.oldData.rotation = actor.rotation;
// actor's position based on new parent
PointF pt = actor.parent.logicalToScreen(actor.position);
pt = parent.screenToLogical(pt);
// actor's rotation based on new parent
float angle = actor.rotationOnScreen();
if (parent is TActor)
{
angle -= ((TActor)parent).rotationOnScreen();
}
TUtil.normalizeDegreeAngle(angle);
// for scale
RectangleF bound = actor.bound();
PointF s = actor.logicalVectorToScreen(new PointF(bound.Width, bound.Height));
SizeF scale = new SizeF(1, 1);
Matrix m2 = new Matrix();
m2.Translate(pt.X, pt.Y);
m2.Rotate((float)(angle * 180 / Math.PI));
m2.Translate(-actor.anchor.X * actor.bound().Width, -actor.anchor.Y * actor.bound().Height);
Matrix m = parent.matrixFromScreen();
m.Multiply(m2);
if (m.IsInvertible)
{
PointF[] aPos = { s };
m.Invert();
m.TransformVectors(aPos);
s = aPos[0];
scale = new SizeF(s.X / bound.Width, s.Y / bound.Height);
}
this.newData.position = pt;
this.newData.scale = scale;
this.newData.skew = actor.skew;
this.newData.rotation = angle;
oldIndex = actor.parent.childs.IndexOf(actor);
}
public ModifyActorAction(TDocument doc, TActor actor)
{
this.document = doc;
this.actor = actor;
this.original = new ActorData();
this.final = new ActorData();
setOriginalData(actor);
}
// scale the puzzle area of selected items the specified delta, parameters are based on real drawing canvas coordinates
public void scalePuzzleArea(int part, float dx, float dy, bool fixedRatio)
{
for (int i = 0; i < selectedItems.Count; i++)
{
TActor item = this.selectedItems[i];
TActor origin = item.backupActor;
PointF d = origin.ownerScene().screenVectorToLogical(new PointF(dx, dy));
RectangleF bound = origin.puzzleArea;
if (fixedRatio)
{
float z;
if (part == 1)
{
z = Math.Max(-d.X / bound.Width, -d.Y / bound.Height);
d = new PointF(-z * bound.Width, -z * bound.Height);
}
else if (part == 2)
{
z = Math.Max(-d.X / bound.Width, d.Y / bound.Height);
d = new PointF(-z * bound.Width, z * bound.Height);
}
else if (part == 3)
{
z = Math.Max(d.X / bound.Width, d.Y / bound.Height);
d = new PointF(z * bound.Width, z * bound.Height);
}
else if (part == 4)
{
z = Math.Max(d.X / bound.Width, -d.Y / bound.Height);
d = new PointF(z * bound.Width, -z * bound.Height);
}
}
float x1 = bound.Left, y1 = bound.Top, x2 = bound.Right, y2 = bound.Bottom;
if (part == 1 || part == 2 || part == 5)
{
x1 += d.X;
}
if (part == 3 || part == 4 || part == 7)
{
x2 += d.X;
}
if (part == 1 || part == 4 || part == 8)
{
y1 += d.Y;
}
if (part == 2 || part == 3 || part == 6)
{
y2 += d.Y;
}
item.puzzleArea = new RectangleF(x1, y1, x2 - x1, y2 - y1);
}
}
private void pnlDisplayBox_MouseUp(object sender, MouseEventArgs e)
{
if (currentScene == null)
{
return;
}
if (e.Button == MouseButtons.Left && MousePressed)
{
// fire drop event
if (MouseDownActor != null)
{
MouseDownActor.fireEvent(Program.DEFAULT_EVENT_DROP, false);
// check this actor is puzzle actor
if (MouseDownActor.puzzle && !MouseDownActor.isMoving())
{
PointF[] bound1 = MouseDownActor.interactionBoundOnScreen();
// check if the puzzle actor went the correct puzzle area
if (TUtil.isPolygonsIntersect(bound1, MouseDownActor.puzzleAreaOnScreen()))
{
// turn off the puzzle function after success
MouseDownActor.puzzle = false;
// fire puzzle success event
MouseDownActor.fireEvent(Program.DEFAULT_EVENT_PUZZLE_SUCCESS, false);
}
else
{
// if puzzle is failed, actor return to original position
TAnimation animation = new TAnimation(MouseDownActor);
TSequence sequence = animation.addSequence();
sequence.addAction(new TActionIntervalMove()
{
duration = 300, position = MouseDownActor.backupActor.position
});
sequence.addAction(new TActionInstantDispatchEvent()
{
actor = MouseDownActor.name, eventu = Program.DEFAULT_EVENT_PUZZLE_FAIL, recursive = false
});
animation.start();
extraAnimations.Add(animation);
}
}
}
MousePressed = false;
MouseDownActor = null;
// redraw workspace
this.pnlDisplayBox.Refresh();
}
}
// execute action for every frame
// if action is finished, return true;
public override bool step(FrmEmulator emulator, long time)
{
TActor targetActor = (TActor)emulator.currentScene.findLayer(actor);
if (targetActor != null)
{
targetActor.stopAnimation(eventu, state);
}
return(base.step(emulator, time));
}
// move the anchor point of selected item the specified delta, parameters are based on real drawing canvas coordinates
public void moveAnchorOfSelectedItem(float dx, float dy, bool fixedMove)
{
if (fixedMove)
{
double al = Math.Atan2(dy, dx) * 180 / Math.PI;
float d = Math.Min(Math.Abs(dx), Math.Abs(dy));
if (al >= -22.5 && al < 22.5)
{
dy = 0;
}
else if (al >= 22.5 && al < 67.5)
{
dx = d; dy = d;
}
else if (al >= 67.5 && al < 112.5)
{
dx = 0;
}
else if (al >= 112.5 && al < 157.5)
{
dx = -d; dy = d;
}
else if (al >= 157.5 || al < -157.5)
{
dy = 0;
}
else if (al >= -157.5 && al < -112.5)
{
dx = -d; dy = -d;
}
else if (al >= -112.5 && al < -67.5)
{
dx = 0;
}
else if (al >= 67.5 && al < 22.5)
{
dx = d; dy = -d;
}
}
for (int i = 0; i < selectedItems.Count; i++)
{
TActor item = this.selectedItems[i];
TActor origin = item.backupActor;
PointF screenPos = origin.parent.logicalToScreen(origin.position);
screenPos.X += dx; screenPos.Y += dy;
PointF logicalPos = origin.screenToLogical(screenPos);
RectangleF bound = origin.bound();
item.position = origin.parent.screenToLogical(screenPos);
item.anchor = new PointF(logicalPos.X / bound.Width, logicalPos.Y / bound.Height);
}
}
// execute action for every frame
// if action is finished, return true;
public override bool step(FrmEmulator emulator, long time)
{
TActor targetActor = (TActor)emulator.currentScene.findLayer(actor);
if (targetActor != null)
{
targetActor.run_state = state;
}
return(base.step(emulator, time));
}
public void toggleSelectedItem(TActor item)
{
if (this.selectedItems.Contains(item))
{
this.selectedItems.Remove(item);
}
else
{
this.selectedItems.Add(item);
}
}
// execute action for every frame
// if action is finished, return true;
public override bool step(FrmEmulator emulator, long time)
{
TActor targetActor = (TActor)emulator.currentScene.findLayer(actor);
if (targetActor != null)
{
targetActor.fireEvent(eventu, recursive);
}
return(base.step(emulator, time));
}
private void finishCurrentScene()
{
// free resources for old scene
stopAllEffects();
stopAllVoices();
// free captured mouse
MousePressed = false;
MouseDownActor = null;
// clear extra animations
extraAnimations.Clear();
}
// move the selected items the specified delta, parameters are based on real drawing canvas coordinates
public void moveSelectedItems(float dx, float dy, bool fixedMove)
{
if (fixedMove)
{
double al = Math.Atan2(dy, dx) * 180 / Math.PI;
float d = Math.Min(Math.Abs(dx), Math.Abs(dy));
if (al >= -22.5 && al < 22.5)
{
dy = 0;
}
else if (al >= 22.5 && al < 67.5)
{
dx = d; dy = d;
}
else if (al >= 67.5 && al < 112.5)
{
dx = 0;
}
else if (al >= 112.5 && al < 157.5)
{
dx = -d; dy = d;
}
else if (al >= 157.5 || al < -157.5)
{
dy = 0;
}
else if (al >= -157.5 && al < -112.5)
{
dx = -d; dy = -d;
}
else if (al >= -112.5 && al < -67.5)
{
dx = 0;
}
else if (al >= 67.5 && al < 22.5)
{
dx = d; dy = -d;
}
}
for (int i = 0; i < selectedItems.Count; i++)
{
TActor item = this.selectedItems[i];
TActor origin = item.backupActor;
PointF p = origin.parent.logicalToScreen(origin.position);
p.X += dx; p.Y += dy;
item.position = origin.parent.screenToLogical(p);
}
}
// move the puzzle area of selected items the specified delta, parameters are based on real drawing canvas coordinates
public void movePuzzleArea(float dx, float dy, bool fixedMove)
{
if (fixedMove)
{
double al = Math.Atan2(dy, dx) * 180 / Math.PI;
float d = Math.Min(Math.Abs(dx), Math.Abs(dy));
if (al >= -22.5 && al < 22.5)
{
dy = 0;
}
else if (al >= 22.5 && al < 67.5)
{
dx = d; dy = d;
}
else if (al >= 67.5 && al < 112.5)
{
dx = 0;
}
else if (al >= 112.5 && al < 157.5)
{
dx = -d; dy = d;
}
else if (al >= 157.5 || al < -157.5)
{
dy = 0;
}
else if (al >= -157.5 && al < -112.5)
{
dx = -d; dy = -d;
}
else if (al >= -112.5 && al < -67.5)
{
dx = 0;
}
else if (al >= 67.5 && al < 22.5)
{
dx = d; dy = -d;
}
}
for (int i = 0; i < selectedItems.Count; i++)
{
TActor item = this.selectedItems[i];
TActor origin = item.backupActor;
PointF p = origin.ownerScene().logicalToScreen(origin.puzzleArea.Location);
p.X += dx; p.Y += dy;
item.puzzleArea = new RectangleF(origin.ownerScene().screenToLogical(p), origin.puzzleArea.Size);
}
}
protected override void UnExecuteCore()
{
for (int i = actorDatas.Count - 1; i >= 0; i--)
{
ActorData actorData = actorDatas[i];
actorData.parent.childs.Insert(actorData.index, actorData.actor);
}
if (actorList.Count > 0)
{
TActor actor = actorList[0];
TScene scene = actor.ownerScene();
document.sceneManager.updateThumbnail(scene);
}
}
// scale the selected text actor the specified delta, parameters are based on real drawing canvas coordinates
public bool resizeSelectedTextActor(int part, float dx, float dy)
{
TActor actor = this.selectedActor();
if (actor != null && actor is TTextActor)
{
TTextActor item = (TTextActor)actor;
PointF d = item.screenVectorToLogical(new PointF(dx, dy));
float w = item.boxSize.Width, h = item.boxSize.Height;
float px = item.anchor.X * w, py = item.anchor.Y * h;
if (part == 1 || part == 2 || part == 5)
{
w -= d.X;
px = d.X + w * item.anchor.X;
}
if (part == 3 || part == 4 || part == 7)
{
w += d.X;
px = item.anchor.X * w;
}
if (part == 1 || part == 4 || part == 8)
{
h -= d.Y;
py = d.Y + h * item.anchor.Y;
}
if (part == 2 || part == 3 || part == 6)
{
h += d.Y;
py = item.anchor.Y * h;
}
if (w > 0 && h > 0)
{
PointF[] p0 = { new PointF(px, py) };
item.matrix.TransformPoints(p0);
item.position = p0[0];
item.boxSize = new SizeF(w, h);
return(true);
}
}
return(false);
}
// execute action for every frame
// if action is finished, return true;
public override bool step(FrmEmulator emulator, long time)
{
float elapsed = time - run_startTime;
if (elapsed > duration)
{
elapsed = duration;
}
TLayer layer = sequence.animation.layer;
if (layer is TActor)
{
TActor target = (TActor)layer;
target.rotation = TUtil.normalizeDegreeAngle(run_easingFunction.ease(easingType, easingMode, duration, elapsed, run_startAngle, run_endAngle));
}
return(base.step(emulator, time));
}
// execute action for every frame
// if action is finished, return true;
public override bool step(FrmEmulator emulator, long time)
{
float elapsed = time - run_startTime;
if (elapsed > duration)
{
elapsed = duration;
}
TLayer layer = sequence.animation.layer;
if (layer is TActor)
{
TActor target = (TActor)layer;
float t = run_easingFunction.ease(easingType, easingMode, duration, elapsed, 0, 1);
target.position = bezier(t);
}
return(base.step(emulator, time));
}
public void transferLayer(TActor item, TLayer target)
{
// item's position based on new parent
PointF pt = item.parent.logicalToScreen(item.position);
pt = target.screenToLogical(pt);
// item's rotation based on new parent
float angle = item.rotationOnScreen();
if (target is TActor)
{
angle -= ((TActor)target).rotationOnScreen();
}
TUtil.normalizeDegreeAngle(angle);
// for scale
RectangleF bound = item.bound();
PointF s = item.logicalVectorToScreen(new PointF(bound.Width, bound.Height));
// new properties
item.position = pt;
item.rotation = angle;
item.scale = new Size(1, 1);
Matrix m = target.matrixFromScreen();
m.Multiply(item.matrix);
if (m.IsInvertible)
{
PointF[] aPos = { s };
m.Invert();
m.TransformVectors(aPos);
s = aPos[0];
item.scale = new SizeF(s.X / bound.Width, s.Y / bound.Height);
}
item.parent.childs.Remove(item);
target.childs.Add(item);
item.parent = target;
}
public override void reset(long time)
{
base.reset(time);
TLayer layer = sequence.animation.layer;
if (layer is TActor)
{
TActor target = (TActor)layer;
run_startAngle = target.rotation;
if (type == ActionType.TO)
{
run_endAngle = this.angle;
}
else if (type == ActionType.BY)
{
run_endAngle = target.rotation + this.angle;
}
run_easingFunction = new TEasingFunction();
}
}
public override void reset(long time)
{
base.reset(time);
TLayer layer = sequence.animation.layer;
if (layer is TActor)
{
TActor target = (TActor)layer;
run_startPos = target.position;
if (type == ActionType.TO)
{
run_endPos = this.position;
}
else if (type == ActionType.BY)
{
run_endPos = new PointF(target.position.X + this.position.X, target.position.Y + this.position.Y);
}
run_easingFunction = new TEasingFunction();
}
}
// execute action for every frame
// if action is finished, return true;
public override bool step(FrmEmulator emulator, long time)
{
float elapsed = time - run_startTime;
if (elapsed > duration)
{
elapsed = duration;
}
TLayer layer = sequence.animation.layer;
if (layer is TActor)
{
TActor target = (TActor)layer;
float width = run_easingFunction.ease(easingType, easingMode, duration, elapsed, run_startScale.Width, run_endScale.Width);
float height = run_easingFunction.ease(easingType, easingMode, duration, elapsed, run_startScale.Height, run_endScale.Height);
target.scale = new SizeF(width, height);
}
return(base.step(emulator, time));
}
public override void reset(long time)
{
base.reset(time);
TLayer layer = sequence.animation.layer;
if (layer is TActor)
{
TActor target = (TActor)layer;
run_startScale = target.scale;
if (type == ActionType.TO)
{
run_endScale = this.scale;
}
else if (type == ActionType.BY)
{
run_endScale = new SizeF(target.scale.Width * this.scale.Width, target.scale.Height * this.scale.Height);
}
run_easingFunction = new TEasingFunction();
}
}
// execute action for every frame
// if action is finished, return true;
public override bool step(FrmEmulator emulator, long time)
{
float elapsed = time - run_startTime;
if (elapsed > duration)
{
elapsed = duration;
}
TLayer layer = sequence.animation.layer;
if (layer is TActor)
{
TActor target = (TActor)layer;
float x = run_easingFunction.ease(easingType, easingMode, duration, elapsed, run_startPos.X, run_endPos.X);
float y = run_easingFunction.ease(easingType, easingMode, duration, elapsed, run_startPos.Y, run_endPos.Y);
target.position = new PointF(x, y);
}
return(base.step(emulator, time));
}
// rotate the selected item the specified angle, the angle is degree
public void rotateSelectedItems(float angle, bool fixedAngle)
{
if (selectedItems.Count == 0)
{
return;
}
if (fixedAngle)
{
angle = (float)(Math.Floor(angle / 15) + 1) * 15;
}
if (selectedItems.Count == 1)
{
TActor item = (TActor)this.selectedItems[0];
TActor origin = item.backupActor;
item.rotation = TUtil.normalizeDegreeAngle(origin.rotation + angle);
}
else
{
// center of selection
PointF[] bound = this.selectedBound();
PointF c = new PointF((bound[0].X + bound[2].X) / 2, (bound[0].Y + bound[2].Y) / 2);
// rotate each selected item
for (int i = 0; i < selectedItems.Count; i++)
{
// adjust rotation value
TActor item = this.selectedItems[0];
TActor origin = item.backupActor;
item.rotation = TUtil.normalizeDegreeAngle(origin.rotation + angle);
// item position
PointF p = item.parent.logicalToScreen(item.position);
p = TUtil.rotatePositionAround(c, p, angle);
item.position = item.parent.screenToLogical(p);
}
}
}
protected override void ExecuteCore()
{
actorDatas.Clear();
document.selectedItems.Clear();
actorList.ForEach((actor) => {
if (actor.parent != null)
{
actorDatas.Add(new ActorData {
actor = actor, parent = actor.parent, index = actor.parent.childs.IndexOf(actor)
});
actor.parent.childs.Remove(actor);
}
});
if (actorList.Count > 0)
{
TActor actor = actorList[0];
TScene scene = actor.ownerScene();
document.sceneManager.updateThumbnail(scene);
}
}
//============== return value ===============//
//
// -1
// 9 9
// ┌───────────────────────┐
// │ 1 8 4 │
// │ │
// -1 │ 5 0 7 │ -1
// │ │
// │ 2 6 3 │
// └───────────────────────┘
// 9 9
// -1
//
//
// Anchor Point : 10
//============================================//
public int partOfSelection(float x, float y, out int cursor)
{
cursor = -1;
if (selectedItems.Count == 0)
{
return(-1);
}
if (selectedItems.Count > 1)
{
return(containsInSelection(x, y) ? 0 : 9);
}
TActor actor = selectedItems[0];
if (currentTool == TDocument.TOOL_PUZZLE && !actor.puzzle)
{
return(-1);
}
PointF screenPos = new PointF(x, y);
PointF logicalPos = currentTool != TDocument.TOOL_PUZZLE ? actor.screenToLogical(new PointF(x, y)) : actor.ownerScene().screenToLogical(new PointF(x, y));
RectangleF actorBound = actor.bound();
PointF anchorPosOnScreen = actor.logicalToScreen(new PointF(actorBound.Width * actor.anchor.X, actorBound.Height * actor.anchor.Y));
RectangleF bound;
if (currentTool == TDocument.TOOL_BOUNDING)
{
bound = actor.interactionBound;
}
else if (currentTool == TDocument.TOOL_PUZZLE)
{
bound = actor.puzzleArea;
}
else
{
bound = actorBound;
}
PointF[] boundOnScreen;
if (currentTool == TDocument.TOOL_BOUNDING)
{
boundOnScreen = actor.interactionBoundOnScreen();
}
else if (currentTool == TDocument.TOOL_PUZZLE)
{
boundOnScreen = actor.puzzleAreaOnScreen();
}
else
{
boundOnScreen = actor.boundOnScreen();
}
int ctrl_size = 6;
bool leftEdge = TUtil.distanceBetweenPointLine(screenPos, boundOnScreen[0], boundOnScreen[1]) <= ctrl_size;
bool bottomEdge = TUtil.distanceBetweenPointLine(screenPos, boundOnScreen[1], boundOnScreen[2]) <= ctrl_size;
bool rightEdge = TUtil.distanceBetweenPointLine(screenPos, boundOnScreen[2], boundOnScreen[3]) <= ctrl_size;
bool topEdge = TUtil.distanceBetweenPointLine(screenPos, boundOnScreen[3], boundOnScreen[0]) <= ctrl_size;
bool insideBound = bound.Contains(logicalPos);
int first_cursor = 0; // cursor form part 5
double angle = -Math.Atan2(boundOnScreen[1].Y - boundOnScreen[0].Y, boundOnScreen[1].X - boundOnScreen[0].X) * 180 / Math.PI;
if (angle < 0)
{
angle += 360;
}
first_cursor = (int)((angle + 22.5) / 45) % 4;
int part = -1;
if (leftEdge && topEdge)
{
part = 1; cursor = (first_cursor - 1) % 4;
}
else if (leftEdge && bottomEdge)
{
part = 2; cursor = (first_cursor + 1) % 4;
}
else if (rightEdge && bottomEdge)
{
part = 3; cursor = (first_cursor + 3) % 4;
}
else if (rightEdge && topEdge)
{
part = 4; cursor = (first_cursor + 5) % 4;
}
else if (leftEdge && TUtil.isPointProjectionInLineSegment(screenPos, boundOnScreen[0], boundOnScreen[1]))
{
part = 5; cursor = (first_cursor + 0) % 4;
}
else if (bottomEdge && TUtil.isPointProjectionInLineSegment(screenPos, boundOnScreen[1], boundOnScreen[2]))
{
part = 6; cursor = (first_cursor + 2) % 4;
}
else if (rightEdge && TUtil.isPointProjectionInLineSegment(screenPos, boundOnScreen[2], boundOnScreen[3]))
{
part = 7; cursor = (first_cursor + 4) % 4;
}
else if (topEdge && TUtil.isPointProjectionInLineSegment(screenPos, boundOnScreen[3], boundOnScreen[0]))
{
part = 8; cursor = (first_cursor + 6) % 4;
}
else if (TUtil.distanceBetweenPoints(screenPos, anchorPosOnScreen) <= ctrl_size)
{
part = 10;
}
else if (insideBound)
{
part = 0;
}
else if (currentTool != TDocument.TOOL_BOUNDING && currentTool != TDocument.TOOL_PUZZLE)
{
if (TUtil.distanceBetweenPoints(screenPos, boundOnScreen[0]) <= ctrl_size * 3 ||
TUtil.distanceBetweenPoints(screenPos, boundOnScreen[1]) <= ctrl_size * 3 ||
TUtil.distanceBetweenPoints(screenPos, boundOnScreen[2]) <= ctrl_size * 3 ||
TUtil.distanceBetweenPoints(screenPos, boundOnScreen[3]) <= ctrl_size * 3)
{
part = 9;
}
}
return(part);
}
// scale the selected items the specified delta, parameters are based on real drawing canvas coordinates
public void scaleSelectedItems(int part, float dx, float dy, bool fixedRatio)
{
for (int i = 0; i < selectedItems.Count; i++)
{
TActor item = this.selectedItems[i];
TActor origin = item.backupActor;
PointF d = origin.screenVectorToLogical(new PointF(dx, dy));
float sx = origin.scale.Width, sy = origin.scale.Height;
RectangleF bound = origin.bound();
float px = origin.anchor.X * bound.Width, py = origin.anchor.Y * bound.Height;
if (fixedRatio)
{
float w = bound.Width * sx, h = bound.Height * sy;
float z;
if (part == 1)
{
z = Math.Max(-d.X / w, -d.Y / h);
d = new PointF(-z * w, -z * h);
}
else if (part == 2)
{
z = Math.Max(-d.X / w, d.Y / h);
d = new PointF(-z * w, z * h);
}
else if (part == 3)
{
z = Math.Max(d.X / w, d.Y / h);
d = new PointF(z * w, z * h);
}
else if (part == 4)
{
z = Math.Max(d.X / w, -d.Y / h);
d = new PointF(z * w, -z * h);
}
}
if (part == 1 || part == 2 || part == 5)
{
sx -= sx * d.X / bound.Width;
px = d.X + (bound.Width - d.X) * origin.anchor.X;
}
if (part == 3 || part == 4 || part == 7)
{
sx += sx * d.X / bound.Width;
px = origin.anchor.X * (bound.Width + d.X);
}
if (part == 1 || part == 4 || part == 8)
{
sy -= sy * d.Y / bound.Height;
py = d.Y + (bound.Height - d.Y) * origin.anchor.Y;
}
if (part == 2 || part == 3 || part == 6)
{
sy += sy * d.Y / bound.Height;
py = origin.anchor.Y * (bound.Height + d.Y);
}
PointF[] p0 = { new PointF(px, py) };
origin.matrix.TransformPoints(p0);
item.position = p0[0];
item.scale = new SizeF(sx, sy);
// PointF p0 = item.logicalToScreen(new PointF(px, py));
// item.position = item.parent.screenToLogical(p0);
// item.scale = new SizeF(sx, sy);
}
}