public override bool ReportMousePosition(int x, int y, int width, int height)
{
if (width == 0 || height == 0)
{
return(false);
}
CrotateStageOperationParameters pm = ((CrotateStageOperationParameters)Parameters);
bool res = false;
if (mDragState == DragState.Center)
{
int new_scr_x = mCenterDotStartX - mDragStartX + x;
int new_scr_y = mCenterDotStartY - mDragStartY + y;
pm.Center = new Point((double)new_scr_x / width, (double)new_scr_y / height);
res = true;
}
else if (mDragState == DragState.Round)
{
Point scr_C = new Point(width * pm.Center.X, height * pm.Center.Y);
Point cur = new Point(x, y);
Vector cur_dir = new Vector(scr_C, cur);
pm.Angle = 180.0 / Math.PI * Math.Atan2(cur_dir.Y, cur_dir.X);
res = true;
}
else if (mDragState == DragState.Corner)
{
Point scr_C = new Point(width * pm.Center.X, height * pm.Center.Y);
Point scr_cur = new Point(x, y);
Point scr_rnd = new Point(
(scr_C.X + (rt_corner_rot.X + rb_corner_rot.X) / 2),
(scr_C.Y + (rt_corner_rot.Y + rb_corner_rot.Y) / 2));
Point scr_start = new Point(mDragStartX, mDragStartY);
// Rotated orts
Vector v_w = new Vector(scr_C, scr_rnd);
v_w /= v_w.Length;
Vector v_h = new Vector(v_w.Y, -v_w.X);
// Current diameter
Vector D = new Vector(scr_C, scr_cur);
double Dw = D * v_w;
double Dh = D * v_h;
// Starting diameter
Vector D0 = new Vector(scr_C, scr_start);
double D0w = D0 * v_w;
double D0h = D0 * v_h;
switch (pm.Mode)
{
case CatEye.Core.CrotateStageOperation.Mode.Disproportional:
pm.CropWidth = mCropWidthStart * Dw / D0w;
pm.CropHeight = mCropHeightStart * Dh / D0h;
break;
case CatEye.Core.CrotateStageOperation.Mode.ProportionalWidthFixed:
pm.CropWidth = mCropWidthStart * Dw / D0w;
break;
case CatEye.Core.CrotateStageOperation.Mode.ProportionalHeightFixed:
pm.CropHeight = mCropHeightStart * Dh / D0h;
break;
}
res = true;
}
return(res);
}
public override void DrawEditor(IBitmapView view)
{
if (view.Image == null || view.Image.Width == 0 || view.Image.Height == 0)
{
return;
}
Gdk.Drawable target = ((FloatPixmapViewWidget)view).GdkWindow;
Gdk.Rectangle image_position = ((FloatPixmapViewWidget)view).CurrentImagePosition;
CrotateStageOperationParameters pm = ((CrotateStageOperationParameters)Parameters);
Gdk.GC gc = new Gdk.GC(target);
// Draw center square dot
Point C = new Point(pm.Center.X, pm.Center.Y);
int scr_c_x = image_position.X + (int)(image_position.Width * C.X);
int scr_c_y = image_position.Y + (int)(image_position.Height * C.Y);
// Calculating new picture's real dimensions
int trueWidth = image_position.Width, trueHeight = image_position.Height;
double w1, h1;
w1 = pm.CropWidth * image_position.Width;
h1 = pm.CropHeight * image_position.Height;
double asp_rat;
if (pm.AspectRatioCustom)
{
asp_rat = pm.AspectRatio;
}
else
{
asp_rat = pm.PresetAspectRatioValues[pm.AspectRatioPreset];
}
switch (pm.Mode)
{
case CatEye.Core.CrotateStageOperation.Mode.Disproportional:
trueWidth = (int)w1;
trueHeight = (int)h1;
break;
case CatEye.Core.CrotateStageOperation.Mode.ProportionalWidthFixed:
trueWidth = (int)w1;
trueHeight = (int)(w1 / asp_rat);
break;
case CatEye.Core.CrotateStageOperation.Mode.ProportionalHeightFixed:
trueWidth = (int)(h1 * asp_rat);
trueHeight = (int)h1;
break;
}
// Calculating new corners positions and "round" dot position
double ang = pm.Angle / 180 * Math.PI;
CatEye.Core.Point lt_corner = new CatEye.Core.Point(
-trueWidth / 2,
-trueHeight / 2);
lt_corner_rot = CatEye.Core.Point.Rotate(lt_corner, ang, new Point(0, 0));
Gdk.Point scr_lt = new Gdk.Point(
(int)(scr_c_x + lt_corner_rot.X),
(int)(scr_c_y + lt_corner_rot.Y));
CatEye.Core.Point rt_corner = new CatEye.Core.Point(
+trueWidth / 2,
-trueHeight / 2);
rt_corner_rot = CatEye.Core.Point.Rotate(rt_corner, ang, new Point(0, 0));
Gdk.Point scr_rt = new Gdk.Point(
(int)(scr_c_x + rt_corner_rot.X),
(int)(scr_c_y + rt_corner_rot.Y));
CatEye.Core.Point rb_corner = new CatEye.Core.Point(
+trueWidth / 2,
+trueHeight / 2);
rb_corner_rot = CatEye.Core.Point.Rotate(rb_corner, ang, new Point(0, 0));
Gdk.Point scr_rb = new Gdk.Point(
(int)(scr_c_x + rb_corner_rot.X),
(int)(scr_c_y + rb_corner_rot.Y));
CatEye.Core.Point lb_corner = new CatEye.Core.Point(
-trueWidth / 2,
+trueHeight / 2);
lb_corner_rot = CatEye.Core.Point.Rotate(lb_corner, ang, new Point(0, 0));
Gdk.Point scr_lb = new Gdk.Point(
(int)(scr_c_x + lb_corner_rot.X),
(int)(scr_c_y + lb_corner_rot.Y));
Gdk.Point scr_rnd = new Gdk.Point(
(int)(scr_c_x + (rt_corner_rot.X + rb_corner_rot.X) / 2),
(int)(scr_c_y + (rt_corner_rot.Y + rb_corner_rot.Y) / 2));
// Drawing frame
using (Cairo.Context cc = Gdk.CairoHelper.Create(target))
{
cc.LineCap = Cairo.LineCap.Round;
cc.LineJoin = Cairo.LineJoin.Round;
cc.Color = new Cairo.Color(0, 0, 0, 0.5);
cc.LineWidth = 3;
cc.MoveTo(scr_lt.X, scr_lt.Y);
cc.LineTo(scr_lb.X, scr_lb.Y);
cc.LineTo(scr_rb.X, scr_rb.Y);
cc.LineTo(scr_rt.X, scr_rt.Y);
cc.LineTo(scr_lt.X, scr_lt.Y);
cc.ClosePath();
cc.Stroke();
cc.Color = new Cairo.Color(1, 1, 1, 1);
cc.LineWidth = 1;
cc.SetDash(new double[] { 3, 3 }, 0);
cc.MoveTo(scr_lt.X, scr_lt.Y);
cc.LineTo(scr_lb.X, scr_lb.Y);
cc.LineTo(scr_rb.X, scr_rb.Y);
cc.LineTo(scr_rt.X, scr_rt.Y);
cc.LineTo(scr_lt.X, scr_lt.Y);
cc.ClosePath();
cc.Stroke();
}
// Drawing center "triangle" dot.
using (Gdk.Pixbuf buf = Gdk.Pixbuf.LoadFromResource("CatEye.UI.Gtk.Widgets.res.triangle_dot.png"))
{
target.DrawPixbuf(gc, buf,
0, 0, (int)(scr_c_x - buf.Width / 2), (int)(scr_c_y - buf.Height / 2),
buf.Width, buf.Height, Gdk.RgbDither.None, 0, 0);
}
// Drawing side "round" dot.
using (Gdk.Pixbuf buf = Gdk.Pixbuf.LoadFromResource("CatEye.UI.Gtk.Widgets.res.round_dot.png"))
{
target.DrawPixbuf(gc, buf,
0, 0,
(int)(scr_rnd.X - buf.Width / 2),
(int)(scr_rnd.Y - buf.Height / 2),
buf.Width, buf.Height, Gdk.RgbDither.None, 0, 0);
}
// Drawing corner "square" dot.
using (Gdk.Pixbuf buf = Gdk.Pixbuf.LoadFromResource("CatEye.UI.Gtk.Widgets.res.square_dot.png"))
{
target.DrawPixbuf(gc, buf,
0, 0,
(int)(scr_rb.X - buf.Width / 2),
(int)(scr_rb.Y - buf.Height / 2),
buf.Width, buf.Height, Gdk.RgbDither.None, 0, 0);
}
}
public override bool ReportMouseButton(int x, int y, int width, int height, uint button_id, bool is_down)
{
if (width == 0 || height == 0)
{
return(false);
}
CrotateStageOperationParameters pm = ((CrotateStageOperationParameters)Parameters);
if (is_down)
{
// Checking if the user clicked the center dot
Point C = new Point(pm.Center.X, pm.Center.Y);
int scr_c_x = (int)(width * C.X);
int scr_c_y = (int)(height * C.Y);
if (new Gdk.Rectangle(
scr_c_x - mDotRadius,
scr_c_y - mDotRadius,
2 * mDotRadius,
2 * mDotRadius).Contains(new Gdk.Point(x, y)))
{
mDragState = DragState.Center;
mDragStartX = x;
mDragStartY = y;
mCenterDotStartX = scr_c_x;
mCenterDotStartY = scr_c_y;
return(true);
}
// Checking if the user clicked the "round" dot
Gdk.Point scr_rnd = new Gdk.Point(
(int)(scr_c_x + (rt_corner_rot.X + rb_corner_rot.X) / 2),
(int)(scr_c_y + (rt_corner_rot.Y + rb_corner_rot.Y) / 2));
if (new Gdk.Rectangle(
scr_rnd.X - mDotRadius,
scr_rnd.Y - mDotRadius,
2 * mDotRadius,
2 * mDotRadius).Contains(new Gdk.Point(x, y)))
{
mDragState = DragState.Round;
mDragStartX = x;
mDragStartY = y;
return(true);
}
// Checking if the user clicked the rb corner "square" dot
Gdk.Point scr_rb = new Gdk.Point(
(int)(scr_c_x + rb_corner_rot.X),
(int)(scr_c_y + rb_corner_rot.Y));
if (new Gdk.Rectangle(
scr_rb.X - mDotRadius,
scr_rb.Y - mDotRadius,
2 * mDotRadius,
2 * mDotRadius).Contains(new Gdk.Point(x, y)))
{
mDragState = DragState.Corner;
mDragStartX = x;
mDragStartY = y;
mCropWidthStart = pm.CropWidth;
mCropHeightStart = pm.CropHeight;
return(true);
}
}
else
{
if (mDragState != DragState.None)
{
mDragState = DragState.None;
//OnUserModified();
}
}
return(false);
}
