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Copy pathArtist2DDlg.cpp
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Artist2DDlg.cpp
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// Artist2DDlg.cpp : 实现文件
//
#include "stdafx.h"
#include "Artist2D.h"
#include "Artist2DDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
// CArtist2DDlg 对话框
CArtist2DDlg::CArtist2DDlg(CWnd* pParent /*=NULL*/)
: CDialog(CArtist2DDlg::IDD, pParent)
{
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CArtist2DDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
}
BEGIN_MESSAGE_MAP(CArtist2DDlg, CDialog)
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_WM_LBUTTONDOWN()
ON_WM_LBUTTONUP()
ON_WM_MOVE()
ON_WM_CLOSE()
ON_EN_CHANGE(3000, &CArtist2DDlg::OnEnChangeR)
ON_EN_CHANGE(3001, &CArtist2DDlg::OnEnChangeG)
ON_EN_CHANGE(3002, &CArtist2DDlg::OnEnChangeB)
ON_NOTIFY(NM_CUSTOMDRAW, 2000, &CArtist2DDlg::OnNMCustomdrawR)
ON_NOTIFY(NM_CUSTOMDRAW, 2001, &CArtist2DDlg::OnNMCustomdrawG)
ON_NOTIFY(NM_CUSTOMDRAW, 2002, &CArtist2DDlg::OnNMCustomdrawB)
ON_WM_MOUSEMOVE()
ON_WM_RBUTTONDOWN()
ON_WM_LBUTTONDBLCLK()
ON_WM_RBUTTONDBLCLK()
ON_CLBN_CHKCHANGE(4000, &CArtist2DDlg::OnVisibleChanged)
ON_LBN_SELCHANGE(4000, &CArtist2DDlg::OnSelPolygonChanged)
ON_BN_CLICKED(5000, &CArtist2DDlg::PerformLayerUp)
ON_BN_CLICKED(5001, &CArtist2DDlg::PerformLayerDown)
ON_WM_MBUTTONDOWN()
END_MESSAGE_MAP()
// CArtist2DDlg 消息处理程序
BOOL CArtist2DDlg::OnInitDialog()
{
CDialog::OnInitDialog();
// 设置此对话框的图标。当应用程序主窗口不是对话框时，框架将自动
// 执行此操作
SetIcon(m_hIcon, TRUE); // 设置大图标
SetIcon(m_hIcon, FALSE); // 设置小图标
// TODO: 在此添加额外的初始化代码
// 工具栏相关
ToolBoxItemUp = new ToolBoxItemIDType[8];
ToolBoxItemUp[0] = IDB_BITMAP2;
ToolBoxItemUp[1] = IDB_BITMAP4;
ToolBoxItemUp[2] = IDB_BITMAP6;
ToolBoxItemUp[3] = IDB_BITMAP8;
ToolBoxItemUp[4] = IDB_BITMAP10;
ToolBoxItemUp[5] = IDB_BITMAP12;
ToolBoxItemUp[6] = IDB_BITMAP14;
ToolBoxItemUp[7] = IDB_BITMAP16;
ToolBoxItemDown = new ToolBoxItemIDType[8];
ToolBoxItemDown[0] = IDB_BITMAP1;
ToolBoxItemDown[1] = IDB_BITMAP3;
ToolBoxItemDown[2] = IDB_BITMAP5;
ToolBoxItemDown[3] = IDB_BITMAP7;
ToolBoxItemDown[4] = IDB_BITMAP9;
ToolBoxItemDown[5] = IDB_BITMAP11;
ToolBoxItemDown[6] = IDB_BITMAP13;
ToolBoxItemDown[7] = IDB_BITMAP15;
curTool = 0;
ToolItemWidth = 21;
ToolBoxX1 = 20;
ToolBoxY1 = 40;
ToolBoxX2 = ToolBoxX1 + 2 * ToolItemWidth;
ToolBoxY2 = ToolBoxY1 + 4 * ToolItemWidth;
// 画布
CanvasWidth = 700;
CanvasHeight = 500;
CanvasX1 = 100;
CanvasY1 = 30;
CanvasX2 = CanvasX1 + CanvasWidth;
CanvasY2 = CanvasY1 + CanvasHeight;
// 颜色
curColor = -1;
LineColor = RGB(0, 0, 0);
FillColor = RGB(255, 255, 255);
ColorButtonWidth = 45;
ColorButtonHeight = 24;
ColorX1 = ToolBoxX1;
ColorY1 = ToolBoxY2 + 50;
ColorX2 = ColorX1 + ColorButtonWidth;
ColorY2 = ColorY1 + ColorButtonHeight * 2;
ColorSelectorPanelX1 = CanvasX1 + 10;
ColorSelectorPanelY1 = ColorY1;
ColorSelectorPanelX2 = ColorSelectorPanelX1 + 200;
ColorSelectorPanelY2 = ColorSelectorPanelY1 + 100;
// 多边形列表
PolygonListHeight = 200;
PolygonListX1 = ToolBoxX1 - 10;
PolygonListY1 = ColorY2 + 20;
PolygonListX2 = ToolBoxX2 + 15;
PolygonListY2 = PolygonListY1 + PolygonListHeight;
PolygonID = 0;
Statics = new CStatic[3];
Sliders = new CSliderCtrl[3];
Edits = new CEdit[3];
PolygonList = new CCheckListBox[1];
LayerUp = new CButton[1];
LayerDown = new CButton[1];
{
DWORD dwStyle = WS_CHILD | WS_VISIBLE;
RECT rt;
rt.left = ColorSelectorPanelX1 + 5;
rt.top = ColorSelectorPanelY1 + 10;
rt.right = rt.left + 15;
rt.bottom = rt.top + 22;
Statics[0].Create("R:", dwStyle, rt, this, 1000);
Statics[0].ShowWindow(FALSE);
rt.left = ColorSelectorPanelX1 + 20;
rt.right = rt.left + 130;
Sliders[0].Create(dwStyle, rt, this, 2000);
Sliders[0].SetRange(0, 255);
Sliders[0].ShowWindow(FALSE);
dwStyle = WS_CHILD | WS_VISIBLE | WS_BORDER | WS_TABSTOP;
rt.left = ColorSelectorPanelX1 + 150;
rt.right = rt.left + 40;
Edits[0].CreateEx(WS_EX_CLIENTEDGE, "EDIT", NULL, dwStyle, rt, this, 3000);
Edits[0].ShowWindow(FALSE);
}
{
DWORD dwStyle = WS_CHILD | WS_VISIBLE;
RECT rt;
rt.left = ColorSelectorPanelX1 + 5;
rt.right = rt.left + 15;
rt.top = ColorSelectorPanelY1 + 10 + 30 * 1;
rt.bottom = rt.top + 22;
Statics[1].Create("G:", dwStyle, rt, this, 1001);
Statics[1].ShowWindow(FALSE);
rt.left = ColorSelectorPanelX1 + 20;
rt.right = rt.left + 130;
Sliders[1].Create(dwStyle, rt, this, 2001);
Sliders[1].SetRange(0, 255);
Sliders[1].ShowWindow(FALSE);
dwStyle = WS_CHILD | WS_VISIBLE | WS_BORDER | WS_TABSTOP;
rt.left = ColorSelectorPanelX1 + 150;
rt.right = rt.left + 40;
Edits[1].CreateEx(WS_EX_CLIENTEDGE, "EDIT", NULL, dwStyle, rt, this, 3001);
Edits[1].ShowWindow(FALSE);
}
{
DWORD dwStyle = WS_CHILD | WS_VISIBLE;
RECT rt;
rt.left = ColorSelectorPanelX1 + 5;
rt.right = rt.left + 15;
rt.top = ColorSelectorPanelY1 + 10 + 30 * 2;
rt.bottom = rt.top + 22;
Statics[2].Create("B:", dwStyle, rt, this, 1002);
Statics[2].ShowWindow(FALSE);
rt.left = ColorSelectorPanelX1 + 20;
rt.right = rt.left + 130;
Sliders[2].Create(dwStyle, rt, this, 2002);
Sliders[2].SetRange(0, 255);
Sliders[2].ShowWindow(FALSE);
dwStyle = WS_CHILD | WS_VISIBLE | WS_BORDER | WS_TABSTOP;
rt.left = ColorSelectorPanelX1 + 150;
rt.right = rt.left + 40;
Edits[2].CreateEx(WS_EX_CLIENTEDGE, "EDIT", NULL, dwStyle, rt, this, 3002);
Edits[2].ShowWindow(FALSE);
}
{
DWORD dwStyle = WS_CHILD | WS_VISIBLE | WS_VSCROLL | LBS_HASSTRINGS | LBS_OWNERDRAWFIXED | LBS_NOTIFY ;
RECT rt;
rt.left = PolygonListX1;
rt.right = PolygonListX2;
rt.top = PolygonListY1;
rt.bottom = PolygonListY2;
PolygonList[0].CreateEx(WS_EX_CLIENTEDGE, "ListBox", NULL, dwStyle, rt, this, 4000);
PolygonList[0].ShowWindow(TRUE);
}
{
DWORD dwStyle =WS_CHILD | WS_VISIBLE;
RECT rt;
rt.left = PolygonListX1;
rt.right =rt.left + 20;
rt.top = PolygonListY2 + 10;
rt.bottom = rt.top + 20;
LayerUp[0].Create("+", dwStyle, rt, this, 5000);
LayerUp[0].ShowWindow(TRUE);
}
{
DWORD dwStyle =WS_CHILD | WS_VISIBLE;
RECT rt;
rt.left = PolygonListX1 + 30;
rt.right =rt.left + 20;
rt.top = PolygonListY2 + 10;
rt.bottom = rt.top + 20;
LayerDown[0].Create("-", dwStyle, rt, this, 5001);
LayerDown[0].ShowWindow(TRUE);
}
// 绘图相关
MouseInside = FALSE;
MyPolygon = NULL;
WhiteCanvas = NULL;
BackupCanvasBeforeRotating = NULL;
BackupCanvasBeforeScaling = NULL;
// 状态变量
ChoosingColor = FALSE;
NewToolBoxPanel = TRUE;
NewToolBoxItems = TRUE;
BackupCanvasPart = FALSE;
RecoverCanvasPart = FALSE;
NewColorButtonPanel = TRUE;
NewColorButtons = TRUE;
NewColorButtonColors = TRUE;
NewColorSelectorPanel = TRUE;
NewColorSelectorSliders = FALSE;
NewCanvas = TRUE;
BackupCanvasBeforePolygon = FALSE;
BackupCanvasForEachPolygonLine = FALSE;
NeedToDrawAllPolygons = FALSE;
NeedToDrawPolygonWhileMoving = FALSE;
NeedToDrawPolygonAfterClicked = FALSE;
BeginPolygonCycle = TRUE;
BeginPolygon = TRUE;
NeedToDrawFourAngles = FALSE;
NeedToDrawFourAnglesWhileRotating = FALSE;
NeedToDrawEightBorders = FALSE;
NeedToDrawEightBordersWhileScaling = FALSE;
BackupWhiteCanvas = FALSE;
Dragging = FALSE;
RotationStatus = NONEROTATION;
CenterRadius = 3;
RotatedPolygon = NULL;
ScalingStatus = NONESCALING;
ScaledPolygon = NULL;
return TRUE; // 除非将焦点设置到控件，否则返回 TRUE
}
// 如果向对话框添加最小化按钮，则需要下面的代码
// 来绘制该图标。对于使用文档/视图模型的 MFC 应用程序，
// 这将由框架自动完成。
void CArtist2DDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // 用于绘制的设备上下文
SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);
// 使图标在工作区矩形中居中
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// 绘制图标
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CPaintDC dc(this);
// 备份与恢复画布
if(BackupCanvasPart)
{
BackupBeforeChoosingColor = GetBitmap(dc, ColorSelectorPanelX1 - 1, ColorSelectorPanelY1 - 1, ColorSelectorPanelX2 + 1, ColorSelectorPanelY2 + 1);
BackupCanvasPart = FALSE;
}
if(RecoverCanvasPart)
{
DrawBitmapAndRelease(dc, &BackupBeforeChoosingColor, ColorSelectorPanelX1 - 1, ColorSelectorPanelY1 - 1, ColorSelectorPanelX2 + 1, ColorSelectorPanelY2 + 1);
RecoverCanvasPart = FALSE;
}
// 刷新画布
if(NewCanvas)
{
DrawCanvas(dc);
NewCanvas = FALSE;
}
// 绘画相关
if (BackupWhiteCanvas)
{
WhiteCanvas = GetBitmap(dc, 0, 0, ClientRect.Width(), ClientRect.Height());
BackupWhiteCanvas = FALSE;
}
if(WhiteCanvas != NULL && NeedToDrawAllPolygons)
{
CDC memDC;
memDC.CreateCompatibleDC(&dc);
CBitmap memBitmap, *oldmemBitmap;
CopyBitmap(*WhiteCanvas, memBitmap);
oldmemBitmap = memDC.SelectObject(&memBitmap);
int PolygonsAmount = Polygons.GetCount();
for(int i = PolygonsAmount - 1; i >= 0; i--)
{
ComplexPolygon* polygon = Polygons.GetAt(Polygons.FindIndex(i));
if (polygon->Filled)
FillPolygon(memDC, polygon);
DrawPolygon(memDC, polygon);
}
BitBlt(dc, 0, 0, ClientRect.Width(), ClientRect.Height(), memDC, 0, 0, SRCCOPY);
memDC.SelectObject(oldmemBitmap);
NeedToDrawAllPolygons = FALSE;
}
if(NeedToDrawPolygonWhileMoving)
{
CDC memDC;
memDC.CreateCompatibleDC(&dc);
CBitmap memBitmap, *oldmemBitmap;
CopyBitmap(*BackupCanvasForEachPolygonLine, memBitmap);
oldmemBitmap = memDC.SelectObject(&memBitmap);
DrawLine(memDC, BeginPoint, EndPoint, LineColor);
BitBlt(dc, 0, 0, ClientRect.Width(), ClientRect.Height(), memDC, 0, 0, SRCCOPY);
memDC.SelectObject(oldmemBitmap);
NeedToDrawPolygonWhileMoving = FALSE;
}
if(NeedToDrawPolygonAfterClicked)
{
CDC memDC;
memDC.CreateCompatibleDC(&dc);
CBitmap memBitmap, *oldmemBitmap;
CopyBitmap(*BackupCanvasForEachPolygonLine, memBitmap);
oldmemBitmap = memDC.SelectObject(&memBitmap);
DrawLine(memDC, BeginPoint, EndPoint, LineColor);
BitBlt(dc, 0, 0, ClientRect.Width(), ClientRect.Height(), memDC, 0, 0, SRCCOPY);
CopyBitmap(memBitmap, *BackupCanvasForEachPolygonLine);
memDC.SelectObject(oldmemBitmap);
BeginPoint = EndPoint;
EndPoint = StoredPoint;
NeedToDrawPolygonAfterClicked = FALSE;
}
if(NeedToDrawFourAngles)
{
CDC memDC;
memDC.CreateCompatibleDC(&dc);
CBitmap memBitmap, *oldmemBitmap;
CopyBitmap(*BackupCanvasBeforeRotating, memBitmap);
oldmemBitmap = memDC.SelectObject(&memBitmap);
int CenterX, CenterY;
DrawEllipse(memDC, RotationCenter - CPoint(CenterRadius, CenterRadius), RotationCenter + CPoint(CenterRadius, CenterRadius));
CenterX = RotateLB.x;
CenterY = RotateLB.y;
DrawEllipse(memDC, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
CenterX = RotateRT.x;
CenterY = RotateRT.y;
DrawEllipse(memDC, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
CenterX = RotateRB.x;
CenterY = RotateRB.y;
DrawEllipse(memDC, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
CenterX = RotateLT.x;
CenterY = RotateLT.y;
DrawEllipse(memDC, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
BitBlt(dc, 0, 0, ClientRect.Width(), ClientRect.Height(), memDC, 0, 0, SRCCOPY);
memDC.SelectObject(oldmemBitmap);
NeedToDrawFourAngles = FALSE;
}
if(NeedToDrawEightBorders)
{
CDC memDC;
memDC.CreateCompatibleDC(&dc);
CBitmap memBitmap, *oldmemBitmap;
CopyBitmap(*BackupCanvasBeforeScaling, memBitmap);
oldmemBitmap = memDC.SelectObject(&memBitmap);
int CenterX, CenterY;
DrawEllipse(memDC, RotationCenter - CPoint(CenterRadius, CenterRadius), RotationCenter + CPoint(CenterRadius, CenterRadius));
CenterX = Scale_1.x;
CenterY = Scale_1.y;
DrawEllipse(memDC, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
CenterX = Scale_2.x;
CenterY = Scale_2.y;
DrawEllipse(memDC, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
CenterX = Scale_3.x;
CenterY = Scale_3.y;
DrawEllipse(memDC, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
CenterX = Scale_4.x;
CenterY = Scale_4.y;
DrawEllipse(memDC, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
CenterX = Scale_6.x;
CenterY = Scale_6.y;
DrawEllipse(memDC, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
CenterX = Scale_7.x;
CenterY = Scale_7.y;
DrawEllipse(memDC, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
CenterX = Scale_8.x;
CenterY = Scale_8.y;
DrawEllipse(memDC, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
CenterX = Scale_9.x;
CenterY = Scale_9.y;
DrawEllipse(memDC, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
BitBlt(dc, 0, 0, ClientRect.Width(), ClientRect.Height(), memDC, 0, 0, SRCCOPY);
memDC.SelectObject(oldmemBitmap);
NeedToDrawEightBorders = FALSE;
}
if(NeedToDrawFourAnglesWhileRotating)
{
int CenterX, CenterY;
DrawEllipse(dc, RotationCenter - CPoint(CenterRadius, CenterRadius), RotationCenter + CPoint(CenterRadius, CenterRadius));
CenterX = RotateLB.x;
CenterY = RotateLB.y;
DrawEllipse(dc, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
CenterX = RotateRT.x;
CenterY = RotateRT.y;
DrawEllipse(dc, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
CenterX = RotateRB.x;
CenterY = RotateRB.y;
DrawEllipse(dc, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
CenterX = RotateLT.x;
CenterY = RotateLT.y;
DrawEllipse(dc, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
NeedToDrawFourAnglesWhileRotating = FALSE;
}
if(NeedToDrawEightBordersWhileScaling)
{
int CenterX, CenterY;
DrawEllipse(dc, RotationCenter - CPoint(CenterRadius, CenterRadius), RotationCenter + CPoint(CenterRadius, CenterRadius));
CenterX = Scale_1.x;
CenterY = Scale_1.y;
DrawEllipse(dc, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
CenterX = Scale_2.x;
CenterY = Scale_2.y;
DrawEllipse(dc, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
CenterX = Scale_3.x;
CenterY = Scale_3.y;
DrawEllipse(dc, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
CenterX = Scale_4.x;
CenterY = Scale_4.y;
DrawEllipse(dc, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
CenterX = Scale_6.x;
CenterY = Scale_6.y;
DrawEllipse(dc, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
CenterX = Scale_7.x;
CenterY = Scale_7.y;
DrawEllipse(dc, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
CenterX = Scale_8.x;
CenterY = Scale_8.y;
DrawEllipse(dc, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
CenterX = Scale_9.x;
CenterY = Scale_9.y;
DrawEllipse(dc, CPoint(CenterX - CenterRadius, CenterY - CenterRadius), CPoint(CenterX + CenterRadius, CenterY + CenterRadius));
NeedToDrawEightBordersWhileScaling = FALSE;
}
// 颜色选择框
if(NewColorSelectorPanel)
{
DrawColorSelectorPanel(dc);
NewColorSelectorPanel = FALSE;
}
if(NewColorSelectorSliders)
{
DrawColorSelectorSliders(dc);
NewColorSelectorSliders = FALSE;
}
// 工具栏
if(NewToolBoxPanel)
{
DrawToolBoxPanel(dc);
NewToolBoxPanel = FALSE;
}
if(NewToolBoxItems)
{
DrawToolBoxItems(dc);
NewToolBoxItems = FALSE;
}
// 颜色按钮
if(NewColorButtonPanel)
{
DrawColorButtonPanel(dc);
NewColorButtonPanel = FALSE;
}
if(NewColorButtons)
{
DrawColorButtons(dc);
NewColorButtons = FALSE;
}
if(NewColorButtonColors)
{
DrawColorButtonColors(dc);
NewColorButtonColors = FALSE;
}
//CDialog::OnPaint();
}
}
// 击中范围
BOOL CArtist2DDlg::HitTool(CPoint point)
{
return (point.x >= ToolBoxX1
&& point.x <= ToolBoxX2
&& point.y >= ToolBoxY1
&& point.y <= ToolBoxY2);
}
BOOL CArtist2DDlg::HitColor(CPoint point)
{
return (point.x >= ColorX1
&& point.x <= ColorX2
&& point.y >= ColorY1
&& point.y <= ColorY2);
}
BOOL CArtist2DDlg::HitColorSelector(CPoint point)
{
return (point.x >= ColorSelectorPanelX1
&& point.x <= ColorSelectorPanelX2
&& point.y >= ColorSelectorPanelY1
&& point.y <= ColorSelectorPanelY2);
}
BOOL CArtist2DDlg::HitCanvas(CPoint point)
{
return (point.x > CanvasX1
&& point.x < CanvasX2
&& point.y > CanvasY1
&& point.y < CanvasY2);
}
// 多边形操作相关
void CArtist2DDlg::PerformRotation(CPoint* point, double angle)
{
CPoint cord;
cord.x = (long)(point->x * cos(angle) - point->y * sin(angle) + 0.5);
cord.y = (long)(point->x * sin(angle) + point->y * cos(angle) + 0.5);
point->x = cord.x;
point->y = cord.y;
}
void CArtist2DDlg::PerformScaling(CPoint* point, double sx, double sy)
{
point->x = (int)(point->x * sx + 0.5);
point->y = (int)(point->y * sy + 0.5);
}
double CArtist2DDlg::GetFromTanTheta(CPoint p)
{
double PI = acos(-1.0);
if(p.x == 0)
{
return p.y > 0 ? PI * 0.5 : PI * 1.5;
}
if(p.y == 0)
{
return p.x > 0 ? 0 : PI;
}
double TanTheta = 1.0 * p.y / p.x;
if(p.x > 0)
{
if(p.y > 0)
return atan(TanTheta);
else
return atan(TanTheta) + 2 * PI;
}else
{
if(p.y > 0)
return atan(TanTheta) + PI;
else
return atan(TanTheta) + PI;
}
}
double CArtist2DDlg::DistanceBetween(CPoint p1, CPoint p2)
{
int dx = p1.x - p2.x;
int dy = p1.y - p2.y;
return sqrt(1.0 * (dx * dx + dy * dy));
}
double CArtist2DDlg::DistanceBetween(PolygonPoint* p1, PolygonPoint* p2)
{
int dx = p1->cord.x - p2->cord.x;
int dy = p1->cord.y - p2->cord.y;
return sqrt(1.0 * (dx * dx + dy * dy));
}
BOOL CArtist2DDlg::ReallyBefore(PolygonPoint* p1, PolygonPoint* p2, PolygonCycle* SharedCycle, BOOL IsCli)
{
int Edge1 = IsCli ? p1->CliEdge : p1->OriEdge;
int Edge2 = IsCli ? p2->CliEdge : p2->OriEdge;
if(Edge1 < Edge2)
return TRUE;
else if(Edge1 > Edge2)
return FALSE;
PolygonPoint* StartPoint = SharedCycle->GetPoint(Edge1);
return (DistanceBetween(StartPoint, p1) < DistanceBetween(StartPoint, p2));
}
CPoint CArtist2DDlg::GetCrossPoint(CPoint p1, CPoint p2, CPoint p3, CPoint p4)
{
//a1 x+b1 y = c1
int a1 = p1.y - p2.y, b1 = p2.x - p1.x, c1 = p1.y * p2.x - p1.x * p2.y;
//a2 x+b2 y = c2
int a2 = p3.y - p4.y, b2 = p4.x - p3.x, c2 = p3.y * p4.x - p3.x * p4.y;
/*
(a1 b1)(x) = (c1)
(a2 b2)(y) (c2)
(x) = ( b2 -b1) (c1) / | a1 b1 |
(y) (-a2 a1) (c2) / | a2 b2 |
*/
double a = a1 * b2 - a2 * b1;
double x = (b2 * c1 - b1 * c2) / a;
double y = (a1 * c2 - a2 * c1) / a;
return CPoint((int)(x + 0.5), (int)(y + 0.5));
}
BOOL CArtist2DDlg::InsidePolygonCycle(PolygonPoint* point, PolygonCycle* cycle)
{
int PointAmount = cycle->GetCount();
int Count = 0;
for(int i = 0; i < PointAmount; i++)
{
PolygonPoint* StartPoint = cycle->GetPoint(i);
PolygonPoint* EndPoint = cycle->GetPoint((i + 1) % PointAmount);
int dy1 = StartPoint->cord.y - point->cord.y;
int dy2 = EndPoint->cord.y - point->cord.y;
if (
(
(dy1 == 0 && dy2 !=0) ||
(dy1 != 0 && dy2 ==0) ||
(dy1 > 0 && dy2 < 0) ||
(dy1 < 0 && dy2 > 0)
) &&
(
GetCrossPoint(StartPoint->cord, EndPoint->cord, CPoint(0, point->cord.y), point->cord).x < point->cord.x
)
)
{
Count++;
}
}
return Count % 2 == 1;
}
BOOL CArtist2DDlg::CheckSegmentCrossed(PolygonPoint* a1, PolygonPoint* b1, PolygonPoint* a2, PolygonPoint* b2)
{
//F(x,y) = (x1-x)(y2-y1)-(x2-x1)(y1-y)
//F(p) = (a1.x-p.x)*(b1.y-a1.y)-(b1.x-a1.x)*(a1.y-p.y)
int d1 = (a1->cord.x-a2->cord.x)*(b1->cord.y-a1->cord.y)-(b1->cord.x-a1->cord.x)*(a1->cord.y-a2->cord.y);
int d2 = (a1->cord.x-b2->cord.x)*(b1->cord.y-a1->cord.y)-(b1->cord.x-a1->cord.x)*(a1->cord.y-b2->cord.y);
//F(p) = (a2.x-p.x)*(b2.y-a2.y)-(b2.x-a2.x)*(a2.y-p.y)
int d3 = (a2->cord.x-a1->cord.x)*(b2->cord.y-a2->cord.y)-(b2->cord.x-a2->cord.x)*(a2->cord.y-a1->cord.y);
int d4 = (a2->cord.x-b1->cord.x)*(b2->cord.y-a2->cord.y)-(b2->cord.x-a2->cord.x)*(a2->cord.y-b1->cord.y);
return
((d1 >= 0) && (d2 <= 0) || (d1 <= 0) && (d2 >= 0))
&&
((d3 >= 0) && (d4 <= 0) || (d3 <= 0) && (d4 >= 0));
}
BOOL CArtist2DDlg::CheckPolygonCrossed(ComplexPolygon* polygon)
{
int CycleAmount = polygon->GetCount();
//圈内检测
for(int i = 0; i < CycleAmount; i++)
{
PolygonCycle* cycle = polygon->GetCycle(i);
int PointAmount = cycle->GetCount();
if(PointAmount < 3)
return true;
//第一条边
for(int k = 2; k < PointAmount - 1; k++)
{
if(CheckSegmentCrossed
(
cycle->GetPoint(0),
cycle->GetPoint(1),
cycle->GetPoint(k),
cycle->GetPoint((k + 1) % PointAmount)
)
)
return true;
}
//后面的边
for(int j = 1; j < PointAmount; j++)
{
//[j + 2, i - 1]
for(int k = j + 2; k < PointAmount; k++)
{
if(CheckSegmentCrossed
(
cycle->GetPoint(j),
cycle->GetPoint((j + 1) % PointAmount),
cycle->GetPoint(k),
cycle->GetPoint((k + 1) % PointAmount)
)
)
return true;
}
}
}
//圈间检测
for(int h =0; h<CycleAmount; h++)
{
for(int i = h + 1; i < CycleAmount; i++)
{
PolygonCycle* cycle1 = polygon->GetCycle(h);
PolygonCycle* cycle2 = polygon->GetCycle(i);
int PointAmount1 = cycle1->GetCount();
int PointAmount2 = cycle2->GetCount();
for(int j = 0; j < PointAmount1; j++)
{
for(int k = 0; k < PointAmount2; k++)
{
if(CheckSegmentCrossed
(
cycle1->GetPoint(j),
cycle1->GetPoint((j + 1) % PointAmount1),
cycle2->GetPoint(k),
cycle2->GetPoint((k + 1) % PointAmount2)
)
)
return true;
}
}
}
}
return false;
}
void CArtist2DDlg::SortPolygonCycle(PolygonCycle* cycle, BOOL reversed)
{
cycle->Reversed = reversed;
int PointAmount = cycle->GetCount();
int MinX = INT_MAX;
int Reci = 0;
for(int i = 0; i < PointAmount; i++)
{
PolygonPoint* CurPoint = cycle->GetPoint(i);
if(CurPoint->cord.x < MinX)
{
MinX= CurPoint->cord.x;
Reci = i;
}
}
PolygonPoint* p0 = cycle->GetPoint((Reci - 1 + PointAmount) % PointAmount);
PolygonPoint* p2 = cycle->GetPoint((Reci + 1 + PointAmount) % PointAmount);
BOOL CurReversed = (p0->cord.y < p2->cord.y);
if(reversed ^ CurReversed)
{
for(int i = (PointAmount - 1) / 2; i >=0 ; i--)
{
int j = PointAmount - 1 - i;
PolygonPoint* temp = cycle->GetPoint(i);
cycle->SetPoint(i, cycle->GetPoint(j));
cycle->SetPoint(j, temp);
}
}
}
// 多边形操作
BOOL CArtist2DDlg::IsNumber(CString str)
{
int len = str.GetLength();
for(int i = 0; i < len; i++)
{
char c = str.GetAt(i);
if(c > '9' || c < '0')
return FALSE;
}
return TRUE;
}
void CArtist2DDlg::GetClippingInformation(CString* pStrClippedID ,CString* pStrClippingID)
{
CClippingDialog inputbox;
inputbox.m_StrClippedID = "0";
inputbox.m_StrClippingID = "0";
while(IDOK == inputbox.DoModal())
{
if(!IsNumber(inputbox.m_StrClippedID) || !IsNumber( inputbox.m_StrClippingID))
{
AfxMessageBox("多边形编号格式不正确。");
continue;
}
*pStrClippedID = inputbox.m_StrClippedID;
*pStrClippingID = inputbox.m_StrClippingID;
break;
}
}
void CArtist2DDlg::RefreshMinMaxXY(ComplexPolygon* polygon)
{
polygon->MinX = polygon->MinY = INT_MAX;
polygon->MaxX = polygon->MaxY = INT_MIN;
int CycleAmount = polygon->GetCount();
for(int i = 0; i < CycleAmount; i++)
{
PolygonCycle* cycle = polygon->GetCycle(i);
int PointAmount = cycle->GetCount();
for (int j = 0; j < PointAmount; j++)
{
PolygonPoint* point = cycle->GetPoint(j);
if(point->cord.x < polygon->MinX)
polygon->MinX = point->cord.x;
if(point->cord.x > polygon->MaxX)
polygon->MaxX = point->cord.x;
if(point->cord.y < polygon->MinY)
polygon->MinY = point->cord.y;
if(point->cord.y > polygon->MaxY)
polygon->MaxY = point->cord.y;
}
}
polygon->width = polygon->MaxX - polygon->MinX + 1;
polygon->height = polygon->MaxY - polygon->MinY + 1;
}
void CArtist2DDlg::TurnOverPolygon(ComplexPolygon* polygon, BOOL horizontal)
{
CPoint center;
center.x = (polygon->MinX + polygon->MaxX) >> 1;
center.y = (polygon->MinY + polygon->MaxY) >> 1;
double sx = horizontal ? -1 : 1;
double sy = horizontal ? 1 : -1;
ScalePolygon(polygon, center, sx, sy);
}
void CArtist2DDlg::ScalePolygon(ComplexPolygon* polygon, CPoint center, double sx, double sy)
{
DragPolygon(polygon, center, CPoint(0, 0));
int CycleAmount = polygon->GetCount();
for(int i = 0; i < CycleAmount; i++)
{
PolygonCycle* cycle = polygon->GetCycle(i);
int PointAmount = cycle->GetCount();
for(int j = 0; j < PointAmount; j++)
{
PolygonPoint* point = cycle->GetPoint(j);
PerformScaling(&(point->cord), sx, sy);
}
}
DragPolygon(polygon, CPoint(0, 0), center);
}
void CArtist2DDlg::RotatePolygon(ComplexPolygon* polygon, CPoint center, double angle)
{
DragPolygon(polygon, center, CPoint(0, 0));
int CycleAmount = polygon->GetCount();
for(int i = 0; i < CycleAmount; i++)
{
PolygonCycle* cycle = polygon->GetCycle(i);
int PointAmount = cycle->GetCount();
for(int j = 0; j < PointAmount; j++)
{
PolygonPoint* point = cycle->GetPoint(j);
PerformRotation(&(point->cord), angle);
}
}
DragPolygon(polygon, CPoint(0, 0), center);
}
void CArtist2DDlg::DragPolygon(ComplexPolygon* polygon, CPoint from, CPoint to)
{
CPoint delta = to - from;
int CycleAmount = polygon->GetCount();
for(int i = 0; i < CycleAmount; i++)
{
PolygonCycle* cycle = polygon->GetCycle(i);
int PointAmount = cycle->GetCount();
for(int j = 0; j < PointAmount; j++)
{
PolygonPoint* point = cycle->GetPoint(j);
point->cord += delta;
}
}
}
void CArtist2DDlg::FormalizePolygon(ComplexPolygon* polygon)
{
int CycleAmount = polygon->GetCount();
for(int i = 0; i < CycleAmount; i++)
{
PolygonCycle* cycle = polygon->GetCycle(i);
int PointAmount = cycle->GetCount();
for(int j = 1; j < PointAmount; j++)
{
PolygonPoint* PrePoint = cycle->GetPoint(j - 1);
PolygonPoint* CurPoint = cycle->GetPoint(j);
if(PrePoint->cord == CurPoint->cord)
{
cycle->Remove(j);
PointAmount--;
}
}
if(cycle->GetTail()->cord == cycle->GetHead()->cord)
cycle->Remove(cycle->GetCount() - 1);
}
SortPolygon(polygon);
RefreshMinMaxXY(polygon);
CycleAmount = polygon->GetCount();
for(int i = 0; i < CycleAmount; i++)
{
PolygonCycle* cycle = polygon->GetCycle(i);
int PointAmount = cycle->GetCount();
for(int j = 0; j < PointAmount; j++)
{
PolygonPoint* point = cycle->GetPoint(j);
point->CliCycle = point->CliEdge =
point->OriCycle = point->OriEdge =
point->LaterCliEdge = point->LaterOriEdge = -1;
point->CrossPointID = -1;
point->OriInserted = point->CliInserted = FALSE;
point->kind = VERTEX;
}
}
}
void CArtist2DDlg::InsertPolygon(ComplexPolygon* polygon)
{
FormalizePolygon(polygon);
Polygons.AddHead(polygon);
PolygonID++;
CString strID;
strID.Format("%d", PolygonID);
PolygonList->InsertString(0, strID);
PolygonList->SetCheck(0, BST_CHECKED );
PolygonList->SetCurSel(0);
}
void CArtist2DDlg::RemovePolygon(int index)
{
Polygons.RemoveAt(Polygons.FindIndex(index));
PolygonList->DeleteString(index);