Exemple #1
0
        //protected bool bolEnableDragMove = true;
        ///// <summary>
        ///// 是否允许鼠标拖拽移动图片
        ///// </summary>
        //public bool EnableDragMode
        //{
        //    get
        //    {
        //        return bolEnableDragMove ;
        //    }
        //    set
        //    {
        //        bolEnableDragMove = value;
        //        if( value == false )
        //            myDragPoint = null;
        //    }
        //}

        private ReversibleDrawer CreateReversibleDrawer()
        {
            ReversibleDrawer drawer = ReversibleDrawer.FromHwnd(this.Handle);

            drawer.PenColor  = Color.White;
            drawer.PenStyle  = PenStyle.PS_SOLID;
            drawer.LineWidth = 1;
            return(drawer);
        }
Exemple #2
0
        protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
        {
            if (myImage != null)
            {
                System.Drawing.Point     sp       = this.AutoScrollPosition;
                System.Drawing.Rectangle rect     = this.ImageBounds;
                System.Drawing.Point     ip       = rect.Location;
                System.Drawing.Rectangle ClipRect = e.ClipRectangle;
                ClipRect.Offset(0 - sp.X, 0 - sp.Y);
                rect = System.Drawing.Rectangle.Intersect(ClipRect, rect);
                if (rect.Width > 0 || rect.Height > 0)
                {
                    e.Graphics.DrawImage(myImage,
                                         new System.Drawing.Rectangle
                                             (rect.Left + sp.X,
                                             rect.Top + sp.Y,
                                             rect.Width,
                                             rect.Height),
                                         new System.Drawing.Rectangle(rect.Left - ip.X, rect.Top - ip.Y, rect.Width, rect.Height),
                                         System.Drawing.GraphicsUnit.Pixel);
//					rect = this.ImageBounds ;
//					rect.Offset( - sp.X , - sp.Y );
//					if( this.Focused )
//						System.Windows.Forms.ControlPaint.DrawFocusRectangle( e.Graphics , rect );
                }
                //string strText = "宽:" + myImage.Size.Width + " 高:" + myImage.Size.Height + " 格式:" + myImage.PixelFormat ;
            }
            if (this.BehaviorStyle == XPictureBoxBehaviorStyle.DragSelect)
            {
                using (ReversibleDrawer drawer = new ReversibleDrawer(e.Graphics))
                {
                    drawer.PenColor  = Color.White;
                    drawer.PenStyle  = PenStyle.PS_SOLID;
                    drawer.LineWidth = 1;

                    Rectangle rect2 = this.SelectionBounds;
                    if (rect2.IsEmpty == false)
                    {
                        rect2.Offset(this.AutoScrollPosition.X, this.AutoScrollPosition.Y);
                        rect2.Offset(this.ImageBounds.Location);
                        drawer.DrawRectangle(rect2);
                    }
                    if (myLastPoint != null)
                    {
                        drawer.DrawLine(0, myLastPoint.Y, this.ClientSize.Width, myLastPoint.Y);
                        drawer.DrawLine(myLastPoint.X, 0, myLastPoint.X, this.ClientSize.Height);
                        myLastPoint = null;
                    }
                }
            }
            base.OnPaint(e);
        }
Exemple #3
0
 protected override void OnMouseLeave(EventArgs e)
 {
     if (myLastPoint != null)
     {
         using (ReversibleDrawer drawer = this.CreateReversibleDrawer())
         {
             drawer.DrawLine(0, myLastPoint.Y, this.ClientSize.Width, myLastPoint.Y);
             drawer.DrawLine(myLastPoint.X, 0, myLastPoint.X, this.ClientSize.Height);
             myLastPoint = null;
         }
     }
     base.OnMouseLeave(e);
 }
Exemple #4
0
        /// <summary>
        /// 使用视图坐标绘制一个可逆矩形边框
        /// </summary>
        /// <param name="left">矩形的左端位置</param>
        /// <param name="top">矩形的顶端位置</param>
        /// <param name="width">矩形的宽度</param>
        /// <param name="height">矩形的高度</param>
        public void ReversibleViewDrawRect(
            int left,
            int top,
            int width,
            int height)
        {
            //throw new NotImplementedException("documentviewcontrol:ReversibleViewDrawRect");
            using (ReversibleDrawer drawer
                       = ReversibleDrawer.FromHwnd(this.Handle))
            {
                drawer.PenStyle = PenStyle.PS_DOT;
                drawer.PenColor = System.Drawing.Color.Red;
                this.RefreshScaleTransform();
                System.Drawing.Rectangle rect
                    = this.myTransform.UnTransformRectangle(left, top, width, height);

                drawer.DrawRectangle(rect);
            }
        }
        private void cap_Draw(object sender, CaptureMouseMoveEventArgs e)
        {
            DragPointStyle hit = (DragPointStyle)e.Sender.Tag;

            System.Drawing.Rectangle rect  = Rectangle.Ceiling(this.AbsBounds);
            System.Drawing.Point     p1    = e.StartPosition;
            System.Drawing.Point     p2    = e.CurrentPosition;
            SimpleRectangleTransform trans = this.OwnerDocument.EditorControl.GetTransformItemByDescPoint(rect.Left, rect.Top);

            if (trans != null)
            {
                p1   = trans.TransformPoint(p1);
                p2   = trans.TransformPoint(p2);
                rect = DragRectangle.CalcuteDragRectangle(
                    (int)(p2.X - p1.X),
                    (int)(p2.Y - p1.Y),
                    hit,
                    Rectangle.Ceiling(this.AbsBounds));
                if (rect.Width > (int)this.OwnerDocument.Width)
                {
                    rect.Width = (int)this.OwnerDocument.Width;
                }
                if (this.WidthHeightRate > 0.1)
                {
                    rect.Height = (int)(rect.Width / this.WidthHeightRate);
                }
                LastDragBounds = rect;
                rect           = trans.UnTransformRectangle(rect);
                using (ReversibleDrawer drawer =
                           ReversibleDrawer.FromHwnd(this.OwnerDocument.EditorControl.Handle))
                {
                    drawer.PenStyle = PenStyle.PS_DOT;
                    drawer.PenColor = System.Drawing.Color.Red;
                    drawer.DrawRectangle(rect);
                }
            }
        }
Exemple #6
0
 protected override void OnMouseMove(System.Windows.Forms.MouseEventArgs e)
 {
     if (this.BehaviorStyle == XPictureBoxBehaviorStyle.DragScroll)
     {
         if (myDragPoint != null)
         {
             System.Drawing.Point p = new System.Drawing.Point(
                 0 - this.AutoScrollPosition.X,
                 0 - this.AutoScrollPosition.Y);
             p.Offset(-e.X + myDragPoint.X, -e.Y + myDragPoint.Y);
             myDragPoint.X           = e.X;
             myDragPoint.Y           = e.Y;
             this.AutoScrollPosition = p;
         }
         else
         {
             if (myImage != null)
             {
                 int x = e.X - this.AutoScrollPosition.X;
                 int y = e.Y - this.AutoScrollPosition.Y;
                 if (myImage.Size.Width > this.ClientSize.Width || myImage.Size.Height > this.ClientSize.Height)
                 {
                     if (this.ImageBounds.Contains(x, y))
                     {
                         this.Cursor = System.Windows.Forms.Cursors.SizeAll;
                     }
                     else
                     {
                         this.Cursor = System.Windows.Forms.Cursors.Default;
                     }
                 }
                 else
                 {
                     this.Cursor = System.Windows.Forms.Cursors.Default;
                 }
             }
         }
     }
     else if (this.BehaviorStyle == XPictureBoxBehaviorStyle.DragSelect)
     {
         using (ReversibleDrawer drawer = this.CreateReversibleDrawer())
         {
             if (myLastPoint != null)
             {
                 drawer.DrawLine(0, myLastPoint.Y, this.ClientSize.Width, myLastPoint.Y);
                 drawer.DrawLine(myLastPoint.X, 0, myLastPoint.X, this.ClientSize.Height);
             }
             else
             {
                 myLastPoint = new myPointClass();
             }
             if (this.ImageBounds.Contains(e.X, e.Y))
             {
                 myLastPoint.X = e.X;
                 myLastPoint.Y = e.Y;
                 drawer.DrawLine(0, myLastPoint.Y, this.ClientSize.Width, myLastPoint.Y);
                 drawer.DrawLine(myLastPoint.X, 0, myLastPoint.X, this.ClientSize.Height);
             }
             else
             {
                 myLastPoint = null;
             }
         }
     }
     base.OnMouseMove(e);
 }