private void MapEventHappened(object sender, MapEventArgs e)
{
switch (e.EventType)
{
case MapEventType.MapViewChanged:
{
CentrXY = e.CentrXY;
CentrOffset = e.CentrOffset;
ActiveOffset = e.ActiveOffset;
PanelMap_offset = e.PanelMap_offset;
MapPanel_offset = e.MapPanel_offset;
MapRect1 = e.MapRect1;
MapRect2 = e.MapRect2;
DrawPanel.Refresh();
break;
}
case MapEventType.ToggleBetweenCurrentEntireMapView:
{
DrawPanel.Refresh();
break;
}
default: break;
}
}
private void DrawPanel_MouseClick(object sender, MouseEventArgs e)
{
var figure = new FigureClass
{
x = e.X,
y = e.Y,
borderColor = _borderColor,
fillColor = _fillColor,
size = _size
};
switch (_figure)
{
case Figure.Circle:
_circleCoords.Add(figure);
break;
case Figure.Square:
_squaresCoords.Add(figure);
break;
case Figure.Triangle:
_triangesCoords.Add(figure);
break;
default:
break;
}
DrawPanel.Update();
DrawPanel.Refresh();
}
private void DrawPanel_Click(object sender, EventArgs e)
{
saved = false;
int x = GetCursorX();
int y = GetCursorY();
if (tsbPicker.Checked)
{
tsbColorPicker.Color = pixels[x, y];
tsbPicker.Checked = false;
tsbDraw.Checked = true;
}
else if (tsbFill.Checked || tsbTexturize.Checked)
{
BackupForUndo();
if (tsbFill.Checked)
{
Fill(x, y);
}
else if (tsbTexturize.Checked)
{
Texturize(x, y);
}
DrawPanel.Refresh();
}
}
private void DrawPanel_MouseWheel(object sender, MouseEventArgs e)
{
if ((Keyboard.GetKeyStates(Key.LeftCtrl) & KeyStates.Down) > 0)
{
((HandledMouseEventArgs)e).Handled = true;
if (e.Delta > 0)
{
scale *= 1.3;
}
else
{
scale /= 1.3;
}
if (scale < 1)
{
scale = 1;
}
if (scale > 30)
{
scale = 30;
}
AdjustDrawPanel();
DrawPanel.Refresh();
}
}
private void Calculate_Click(object sender, EventArgs e)
{
if (PointsN < 3)
{
MessageBox.Show("Введено слишком мало точек! Минимум 3 точки.");
return;
}
string[] a = new String[PointsN];
int i = 0;
foreach (object x in VertexesBox.Items)
{
a[i++] = (String)x;
}
double Square = 0;
List <MyPoint> pts = new List <MyPoint>();
if (Find3DPolygon.CalculatePolySq(a, ref Square, ref pts))
{
OutputBox.Text = "Итак, программа получила, что:\nПлощадь = " + Square + "\nМногоугольник сосотоит из " + pts.Count + " точек.";
LastPolyPts = pts;
PolyCreated = true;
DrawPanel.Refresh();
DrawPolyPoints(LastPolyPts);
}
else
{
MessageBox.Show("Ошибка: не удалось вычислить площадь при заданных вершинах!");
}
}
private void DrawPanel_MouseUp(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Middle)
{
midDown = false;
}
else if (e.Button == MouseButtons.Right)
{
rightDown = false;
if (mouseDown.X < mouseUp.X) //保证该box Xmin,Xmax不弄反。
{
box.Xmin = mouseDown.X;
box.Xmax = mouseUp.X;
}
else
{
box.Xmin = mouseUp.X;
box.Xmax = mouseDown.X;
}
if (mouseDown.Y < mouseUp.Y)
{
box.Ymin = mouseDown.Y;
box.Ymax = mouseUp.Y;
}
else
{
box.Ymin = mouseUp.Y;
box.Ymax = mouseDown.Y;
}
}
DrawPanel.Cursor = Cursors.Cross;
leftDown = false;
DrawPanel.Refresh();
}
private void DrawPanel_MouseMove(object sender, MouseEventArgs e)
{
PointF[] mousePo = { new PointF(e.X, e.Y) };
if (mat != null)
{
mat.TransformPoints(mousePo);
}
mouseUp = mousePo[0];
lblX.Text = "X:" + String.Format("{0:F}", mousePo[0].X);
lblY.Text = "Y:" + String.Format("{0:F}", mousePo[0].Y);
if (e.Button == MouseButtons.Middle)
{
float dx = mouseUp.X - mouseDown.X;
float dy = mouseUp.Y - mouseDown.Y;
mouseUp = mousePo[0];
box.Xmin -= dx;
box.Xmax -= dx;
box.Ymin -= dy;
box.Ymax -= dy;
}
else if (e.Button == MouseButtons.Right)
{
mouseUp = mousePo[0];
}
DrawPanel.Refresh();
}
private void ClearBtn_Click(object sender, EventArgs e)
{
_circleCoords.Clear();
_squaresCoords.Clear();
_triangesCoords.Clear();
DrawPanel.Update();
DrawPanel.Refresh();
}
private void tsbRedo_Click(object sender, EventArgs e)
{
Color[,] last = RedoBuffer[RedoBuffer.Count - 1];
UndoBuffer.Add(pixels);
tsbUndo.Enabled = true;
pixels = last;
RedoBuffer.Remove(last);
DrawPanel.Refresh();
if (RedoBuffer.Count <= 0)
{
tsbRedo.Enabled = false;
}
}
// Switch between statistics (shows active units) & casualties (shows dead units)
private void CasualtiesButton_Click(object sender, EventArgs e)
{
if (_showStatistics)
{
_showStatistics = false;
_casualtiesButton.Text = "Statistics";
}
else
{
_showStatistics = true;
_casualtiesButton.Text = "Casualties";
}
DrawPanel.Refresh();
}
private void DrawPanel_MouseDown(object sender, MouseEventArgs e)
{
PointF[] mousePo = { new PointF(e.X, e.Y) };
mat.TransformPoints(mousePo);
mouseDown = mousePo[0];
if (e.Button == MouseButtons.Middle) //中间平移，右键开窗
{
DrawPanel.Cursor = Cursors.NoMove2D; //设置光标样式
midDown = true;
////将窗体内容写入bitscreen
//bitScreen = new Bitmap(DrawPanel.Width, DrawPanel.Height);
//Graphics g = Graphics.FromImage(bitScreen);
//g.CompositingQuality = CompositingQuality.HighQuality;
//DrawPanel.DrawToBitmap(bitScreen, DrawPanel.ClientRectangle);
////创建窗体*3的大小的bitmap
//if (bitPanel != null) bitPanel.Dispose();
//bitPanel = new Bitmap(3 * DrawPanel.Width, 3 * DrawPanel.Height);
//g = Graphics.FromImage(bitPanel);
//g.CompositingQuality = CompositingQuality.HighQuality;
//g.Clear(Color.AliceBlue);//清空其内容，作为背景
//g.DrawImage(bitScreen, DrawPanel.Width, DrawPanel.Height);
}
else if (e.Button == MouseButtons.Right)
{
DrawPanel.Cursor = Cursors.Cross;//设置成交叉
rightDown = true;
}
else if (e.Button == MouseButtons.Left)
{
leftDown = true;
if (leftCount == 0)
{
//获取第一个点的用户坐标
p1 = mousePo[0];
leftCount += 1;
}
else if (leftCount == 1)
{
//获取第二个点的用户坐标
p2 = mousePo[0];
leftCount = 0;
}
DrawPanel.Refresh();
}
}
private void DrawPanel_MouseMove(object sender, MouseEventArgs e)
{
if (mouseDown)
{
saved = false;
int x = GetCursorX();
int y = GetCursorY();
if (tsbDraw.Checked)
{
pixels[x, y] = tsbColorPicker.Color;
}
else if (tsbClear.Checked)
{
pixels[x, y] = Color.Transparent;
}
else if (tsbRectangle.Checked)
{
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
pixels[i, j] = UndoBuffer[UndoBuffer.Count - 1][i, j];
}
}
int sx = Math.Min(startPoint.X, x);
int fx = Math.Max(startPoint.X, x);
int sy = Math.Min(startPoint.Y, y);
int fy = Math.Max(startPoint.Y, y);
for (int i = sx; i <= fx; i++)
{
for (int j = sy; j <= fy; j++)
{
pixels[i, j] = tsbColorPicker.Color;
}
}
}
DrawPanel.Refresh();
}
}
private void DrawPanel_MouseWheel(object sender, MouseEventArgs e)
{
float scale;
if (e.Delta > 0)//向上滚动滑轮
{
scale = 1.2f;
}
else//向下滚动滑轮
{
scale = 0.8f;
}
PointF[] mousePo = { new PointF(e.X, e.Y) };
mat.TransformPoints(mousePo);
PointF mouse = mousePo[0];
box.Xmin = ZoomChange(scale, mouse.X, box.Xmin);
box.Ymin = ZoomChange(scale, mouse.Y, box.Ymin);
box.Xmax = ZoomChange(scale, mouse.X, box.Xmax);
box.Ymax = ZoomChange(scale, mouse.Y, box.Ymax);
DrawPanel.Refresh();
}
private void RunButton_Click(object sender, EventArgs e)
{
bool czy = int.TryParse(InputBox.Text, out Amount);
if (czy)
{
if (Amount < 1)
{
// Incorrect number!
MessageBox.Show("Please input a correct number!", "Incorrect number", MessageBoxButtons.OK, MessageBoxIcon.Error);
Amount = 5000;
InputBox.Text = "5000";
}
}
else
{
MessageBox.Show("Please input a correct number!", "Incorrect number", MessageBoxButtons.OK, MessageBoxIcon.Error);
Amount = 5000;
InputBox.Text = "5000";
}
WasClicked = true;
DrawPanel.Refresh();
}
private void ButtonValidate_Click(object sender, EventArgs e)
{
DrawPanel.Refresh();
double ValueA = 0;
double ValueB = 0;
double ValueC = 0;
double FirstX;
double FirstY;
int origo_x = DrawPanel.Width / 2;
int origo_y = DrawPanel.Height / 2;
Point origo = new Point(origo_x, origo_y);
Bitmap pen = new Bitmap(1, 1);
pen.SetPixel(0, 0, Color.Blue);
System.Drawing.Graphics g = DrawPanel.CreateGraphics();
if (TextBoxValueA.Text == "" || TextBoxValueB.Text == "" || TextBoxValueC.Text == "")
{
MessageBox.Show("Veuillez remplir toute les cellules (en cas de valeur nulle entrer la valeur 0 et ne laisser pas la cellule vide)");
}
else
{
//ValueA = Convert.ToDouble(TextBoxValueA.Text) * (-1);
//ValueB = Convert.ToDouble(TextBoxValueB.Text) * (-1);
//ValueC = Convert.ToDouble(TextBoxValueC.Text) * (-1);
ValueA = Convert.ToDouble(TextBoxValueA.Text);
ValueB = Convert.ToDouble(TextBoxValueB.Text);
ValueC = Convert.ToDouble(TextBoxValueC.Text);
if (ValueA >= -10 && ValueA <= 10)
{
if (ValueB >= -10 && ValueB <= 10)
{
if (ValueC >= -10 && ValueC <= 10)
{
}
else
{
MessageBox.Show("Veuiller entrer une valeur comprise entre -10 et 10");
}
}
else
{
MessageBox.Show("Veuiller entrer une valeur comprise entre -10 et 10");
}
}
else
{
MessageBox.Show("Veuiller entrer une valeur comprise entre -10 et 10");
}
//if ((Math.Pow(ValueB, 2) - (4 * ValueA * ValueC)) / (2 * ValueA) < 0) // Check if the discriminant is positiv
//{
// FirstX = (-ValueB + Math.Sqrt(Math.Pow(ValueB, 2) - (4 * ValueA * ValueC))) / (2 * ValueA);
// SecondX = (-ValueB - Math.Sqrt(Math.Pow(ValueB, 2) - (4 * ValueA * ValueC))) / (2 * ValueA);
//}
//else if ((Math.Pow(ValueB, 2) - (4 * ValueA * ValueC)) / (2 * ValueA) == 0) // check if the discriminant is neutral
//{
// FirstX = SecondX = -(ValueB / (2 * ValueA));
//}
//else
//{
//}
//Début tableau
Double[,] storePoint = new Double[201, 2];
double minY = 0;
double maxY = 0;
//store
for (double j = 0, i = -10; i <= 10 && j < 201; i += 0.1, j++)
{
FirstX = i;
FirstY = (ValueA * (FirstX * FirstX)) + ((ValueB * FirstX) + ValueC);
storePoint[(int)j, 0] = FirstX;
storePoint[(int)j, 1] = FirstY;
//g.DrawImageUnscaled(pen, origo_x + (int)FirstX, origo_y - (int)FirstY);
//g.DrawImageUnscaled(pen, origo_x - (int)FirstX, origo_y - (int)FirstY);
if (maxY < storePoint[(int)j, 1] && storePoint[(int)j, 1] > 0)
{
maxY = storePoint[(int)j, 1];
}
if (minY > storePoint[(int)j, 1] && storePoint[(int)j, 1] < 0)
{
minY = storePoint[(int)j, 1];
}
}
if (Math.Abs(minY) > Math.Abs(maxY))
{
maxY = minY;
}
double MaxYValue = maxY;
MaxYValue = Math.Round(maxY);
if (MaxYValue < 0)
{
lblmaxY.Text = Convert.ToString(MaxYValue * (-1));
lblminY.Text = Convert.ToString(MaxYValue);
}
else if (MaxYValue > 0)
{
lblmaxY.Text = Convert.ToString(MaxYValue);
lblminY.Text = "- " + Convert.ToString(MaxYValue);
}
maxY = Math.Abs(origo_y / maxY);
//Draw
for (int i = 0; i <= 200; i++)
{
Point newpoint = new Point((int)((storePoint[i, 0] + 10) * (origo.X / 10)),
(int)(origo_y - (maxY * storePoint[i, 1])));
//g.DrawImageUnscaled(pen, origo_x + (int)FirstX, origo_y - (int)FirstY);
//g.DrawImageUnscaled(pen, origo_x - (int)FirstX, origo_y - (int)FirstY);
//g.DrawImageUnscaled(pen, origo);
g.DrawImageUnscaled(pen, newpoint);
}
SaveDrawing();
}
}
private void btnClear_Click(object sender, EventArgs e)
{
DrawPanel.Refresh();
}
/// <summary>
/// 将“视口”还原
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnRedraw_Click(object sender, EventArgs e)
{
initial = true;
DrawPanel.Refresh();
initial = false;
}