563 lines
16 KiB
C++
563 lines
16 KiB
C++
//---------------------------------------------------------------------------
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#include <vcl.h>
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#pragma hdrstop
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#include "ImgCopperFormUnit.h"
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#include "GlobalUnit.h"
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#include <System.IOUtils.hpp>
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//---------------------------------------------------------------------------
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static const COLORREF CLR_LINE_D = RGB( 18, 19, 21 ),
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CLR_LINE_L = RGB( 140, 141, 145 );
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#define TOP_LEFT 0
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#define TOP_RIGHT 1
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#define BOTTOM_LEFT 2
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#define BOTTOM_RIGHT 3
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#define TOP 4
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#define BOTTOM 5
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#define LEFT 6
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#define RIGHT 7
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#define CENTER 8
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#define SAFE_DELETE(p) { if(p) { delete (p); (p)=NULL; } }
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//---------------------------------------------------------------------------
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#pragma package(smart_init)
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#pragma link "PNGButton"
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#pragma link "GeneralDialogPanel"
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#pragma link "TextButton"
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#pragma resource "*.dfm"
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TImgCopperForm *ImgCopperForm;
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//---------------------------------------------------------------------------
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__fastcall TImgCopperForm::TImgCopperForm(TComponent* Owner, TRect rtCopper, TPicture *pPicSrc)
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: TForm(Owner)
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{
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m_rtCopper = rtCopper;
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m_pPicSrc = new TPicture();
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if(pPicSrc && pPicSrc->Graphic->Width && pPicSrc->Graphic->Height ) {
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m_pPicSrc->Assign(pPicSrc);
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}
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m_pTBitmapLine = new TBitmap();
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m_pTBitmapLine->SetSize(4, 4);
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m_pTBitmapLine->Canvas->Brush->Style = bsClear;
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for( int indexY=0; indexY<4; indexY++ )
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{
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bool bLine = (indexY%2==0)?true:false;
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for( int indexX=0; indexX<4; indexX++ )
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{
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bool bEven = (indexX%2==0)?true:false;
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if(bLine) bEven = !bEven;
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m_pTBitmapLine->Canvas->Pixels[indexX][indexY] =
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(bEven==true)?CLR_LINE_D:CLR_LINE_L;
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}
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}
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// -----
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m_bPicDown = false;
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m_nResize = 1;
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DragAcceptFiles(this->Handle, true);
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m_pTransSkinScollBar = new TTransSkinScollBar(m_pPanelBKG);
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m_pTransSkinScollBar->Parent = m_pPanelBKG;
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m_pTransSkinScollBar->SetBounds(0, 0, 14, 100);
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m_pTransSkinScollBar->Vertial = false;
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m_pTransSkinScollBar->ThumbWidth = 12;
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m_pTransSkinScollBar->OnChangePos = SizeChange;
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m_pTransSkinScollBar->BringToFront();
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}
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//---------------------------------------------------------------------------
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void __fastcall TImgCopperForm::FormCreate(TObject *Sender)
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{
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//绘制圆角窗体
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FormResize(NULL);
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}
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//---------------------------------------------------------------------------
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void __fastcall TImgCopperForm::FormClose(TObject *Sender, TCloseAction &Action)
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{
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SAFE_DELETE(m_pTBitmapLine)
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SAFE_DELETE(m_pPicSrc)
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SAFE_DELETE(m_pTransSkinScollBar)
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}
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//---------------------------------------------------------------------------
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void __fastcall TImgCopperForm::FormResize(TObject *Sender)
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{
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m_pPanelBKG->Width = Width;
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m_pPanelBKG->Height = Height;
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m_pPanelBKG->Left = 0;
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m_pPanelBKG->Top = 0;
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// -----
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TRect rtBKG = TRect(1, 26, Width-1, 26+(Height-68));
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m_rtBKG = rtBKG;
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m_pPaintBoxSrc->Left = 1;
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m_pPaintBoxSrc->Top = rtBKG.Top;
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m_pPaintBoxSrc->Width = Width-2;
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m_pPaintBoxSrc->Height = rtBKG.Height();
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m_rtCopperEdge.Left = rtBKG.Left+(rtBKG.Width()-m_rtCopper.Width())/2-4;
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m_rtCopperEdge.Top = rtBKG.Top+(rtBKG.Height()-m_rtCopper.Height())/2-4;
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m_rtCopperEdge.Right = m_rtCopperEdge.Left+m_rtCopper.Width()+8;
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m_rtCopperEdge.Bottom = m_rtCopperEdge.Top+m_rtCopper.Height()+8;
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m_pTransSkinScollBar->Width = Width/3;
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m_pTransSkinScollBar->Left
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= m_pPaintBoxSrc->Left+(m_pPaintBoxSrc->Width-m_pTransSkinScollBar->Width)/2;
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m_pTransSkinScollBar->Top
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= m_pPaintBoxSrc->Top+m_pPaintBoxSrc->Height -
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m_pTransSkinScollBar->Height-8;
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HRGN hRgnSize =
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CreateRoundRectRgn( 0, 0,
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m_pTransSkinScollBar->Width+1,
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m_pTransSkinScollBar->Height+1,
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3, 3 );
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SetWindowRgn( m_pTransSkinScollBar->Handle, hRgnSize, false );
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DeleteObject( hRgnSize );
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m_pBtnCancel->Left = Width-m_pBtnCancel->Width-10;
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m_pBtnCancel->Top = Height-m_pBtnCancel->Height-10;
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m_pBtnOk->Left = m_pBtnCancel->Left-m_pBtnOk->Width-10;
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m_pBtnOk->Top = m_pBtnCancel->Top;
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m_btnChoose->Left = 10;
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m_btnChoose->Top =
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m_pBtnCancel->Top+(m_pBtnCancel->Height-m_btnChoose->Height)/2;
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m_pPanelBKG->Caption = Caption;
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SetSrcPicRect();
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}
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//---------------------------------------------------------------------------
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void __fastcall TImgCopperForm::SetCaption(String strCaption)
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{
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m_pPanelBKG->Caption = strCaption;
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}
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//---------------------------------------------------------------------------
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void __fastcall TImgCopperForm::m_pPaintBoxSrcPaint(TObject *Sender)
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{
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int nWidth = m_pPaintBoxSrc->Width;
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int nHeight = m_pPaintBoxSrc->Height;
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// 创建一个与显示设备兼容的内存设备
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HDC BufDC = CreateCompatibleDC(m_pPaintBoxSrc->Canvas->Handle);
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// 创建一个与显示设备兼容的位图
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HBITMAP BufBitmap = CreateCompatibleBitmap(m_pPaintBoxSrc->Canvas->Handle, nWidth, nHeight);
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// 将设备与位图关联
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SelectObject(BufDC, BufBitmap);
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// CreateCompatibleBitmap创建位图后数据初始化为0，而RGB(0,0,0)则表示是黑色
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// 这里需要清除其黑色背景，使其变为透明
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PerformEraseBackground(this, BufDC);
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// 临时的Canvas，用来画图用，但它并不是必须的，可以直接使用GDI函数来画图
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TCanvas *CanvasDraw = new TCanvas();
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// 关联到内存设备
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CanvasDraw->Handle = BufDC;
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//--------------------------------------
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CanvasDraw->Brush->Color = RGB(52, 56, 63);
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CanvasDraw->FillRect(TRect(0, 0, nWidth, nHeight));
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CanvasDraw->StretchDraw(m_rtSrc, m_pPicSrc->Graphic);
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int iLeft, iTop, iWidth, iHeight;
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CanvasDraw->Brush->Bitmap = m_pTBitmapLine;
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//left
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iLeft = m_rtCopperEdge.Left-m_rtBKG.Left;
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iTop = m_rtCopperEdge.Top-m_rtBKG.Top;
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iWidth = 4;
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iHeight = m_rtCopperEdge.Height();
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CanvasDraw->FillRect( TRect(iLeft, iTop, iLeft+iWidth, iTop+iHeight) );
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//right
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iLeft = m_rtCopperEdge.Left+m_rtCopperEdge.Width()-4-m_rtBKG.Left;
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iTop = m_rtCopperEdge.Top-m_rtBKG.Top;
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iWidth = 4;
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iHeight = m_rtCopperEdge.Height();
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CanvasDraw->FillRect( TRect(iLeft, iTop, iLeft+iWidth, iTop+iHeight) );
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//top
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iLeft = m_rtCopperEdge.Left-m_rtBKG.Left;
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iTop = m_rtCopperEdge.Top-m_rtBKG.Top;
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iWidth = m_rtCopperEdge.Width();
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iHeight = 4;
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CanvasDraw->FillRect( TRect(iLeft, iTop, iLeft+iWidth, iTop+iHeight) );
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//bottom
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iLeft = m_rtCopperEdge.Left-m_rtBKG.Left;
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iTop = m_rtCopperEdge.Top+m_rtCopperEdge.Height()-4-m_rtBKG.Top;
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iWidth = m_rtCopperEdge.Width();
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iHeight = 4;
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CanvasDraw->FillRect( TRect(iLeft, iTop, iLeft+iWidth, iTop+iHeight) );
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// 一次性将内存图像数据覆盖过去，因为跳过了擦除背景过程，所以避免了闪烁的问题
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BitBlt(m_pPaintBoxSrc->Canvas->Handle, 0, 0, nWidth, nHeight,
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CanvasDraw->Handle, 0, 0, SRCCOPY);
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// 释放资源
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DeleteDC(BufDC);
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DeleteObject(BufBitmap);
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SAFE_DELETE(CanvasDraw)
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}
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//---------------------------------------------------------------------------
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void __fastcall TImgCopperForm::m_pPaintBoxSrcMouseDown(TObject *Sender, TMouseButton Button,
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TShiftState Shift, int X, int Y)
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{
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m_bPicDown = true;
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m_ptDown = TPoint(X, Y);
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m_rtSrcMove = m_rtSrc;
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}
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//---------------------------------------------------------------------------
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void __fastcall TImgCopperForm::m_pPaintBoxSrcMouseMove(TObject *Sender, TShiftState Shift,
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int X, int Y)
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{
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if( m_bPicDown ) {
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int nLeft, nTop, nWidth, nHeight;
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nWidth = m_rtSrcMove.Width();
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nHeight = m_rtSrcMove.Height();
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nLeft = m_rtSrcMove.Left+X-m_ptDown.X;
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nTop = m_rtSrcMove.Top+Y-m_ptDown.Y;
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m_rtSrc.Left = nLeft;
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m_rtSrc.Top = nTop;
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m_rtSrc.Right = m_rtSrc.Left+nWidth;
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m_rtSrc.Bottom = m_rtSrc.Top+nHeight;
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m_pPaintBoxSrcPaint(NULL);
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}
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}
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//---------------------------------------------------------------------------
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void __fastcall TImgCopperForm::m_pPaintBoxSrcMouseUp(TObject *Sender, TMouseButton Button,
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TShiftState Shift, int X, int Y)
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{
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m_bPicDown = false;
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m_rtSrcMove = m_rtSrc;
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m_pTransSkinScollBar->Invalidate();
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}
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//---------------------------------------------------------------------------
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void __fastcall TImgCopperForm::SizeChange(TObject *Sender)
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{
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int nSize = m_pTransSkinScollBar->SBTop + 1;
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if(m_nResize==nSize) return;
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m_nResize = nSize;
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int nLMove, nTMove, nWMove, nHMove;
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nLMove = m_rtSrcMove.Left;
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nTMove = m_rtSrcMove.Top;
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nWMove = m_rtSrcMove.Width();
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nHMove = m_rtSrcMove.Height();
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int nLBac, nTBac, nWBac, nHBac;
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nLBac = m_rtSrcBac.Left;
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nTBac = m_rtSrcBac.Top;
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nWBac = m_rtSrcBac.Width();
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nHBac = m_rtSrcBac.Height();
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//方向
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int nStatusLoc;
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TPoint ptCenterSrcMove = TPoint(nLMove+nWMove/2, nTMove+nHMove/2);
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if( ptCenterSrcMove.X>m_rtSrcBac.Right &&
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ptCenterSrcMove.Y<m_rtSrcBac.Top )
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{
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nStatusLoc = TOP_RIGHT;
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}else if( ptCenterSrcMove.X>m_rtSrcBac.Right &&
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ptCenterSrcMove.Y>m_rtSrcBac.Bottom )
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{
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nStatusLoc = BOTTOM_RIGHT;
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}else if( ptCenterSrcMove.X<m_rtSrcBac.Left &&
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ptCenterSrcMove.Y>m_rtSrcBac.Bottom )
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{
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nStatusLoc = BOTTOM_LEFT;
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}else if( ptCenterSrcMove.X<m_rtSrcBac.Left &&
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ptCenterSrcMove.Y<m_rtSrcBac.Top )
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{
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nStatusLoc = TOP_LEFT;
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}else if( ptCenterSrcMove.X>m_rtSrcBac.Right &&
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ptCenterSrcMove.Y>m_rtSrcBac.Top &&
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ptCenterSrcMove.Y<m_rtSrcBac.Bottom )
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{
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nStatusLoc = RIGHT;
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}else if( ptCenterSrcMove.X<m_rtSrcBac.Left &&
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ptCenterSrcMove.Y>m_rtSrcBac.Top &&
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ptCenterSrcMove.Y<m_rtSrcBac.Bottom )
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{
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nStatusLoc = LEFT;
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}else if( ptCenterSrcMove.Y>m_rtSrcBac.Bottom &&
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ptCenterSrcMove.X>m_rtSrcBac.Left &&
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ptCenterSrcMove.X<m_rtSrcBac.Right )
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{
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nStatusLoc = BOTTOM;
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}else if( ptCenterSrcMove.Y<m_rtSrcBac.Top &&
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ptCenterSrcMove.X>m_rtSrcBac.Left &&
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ptCenterSrcMove.X<m_rtSrcBac.Right )
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{
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nStatusLoc = TOP;
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}else{
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nStatusLoc = CENTER;
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}
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//得到缩放焦点
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TPoint ptFocus;
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if( CENTER==nStatusLoc ) {
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ptFocus = ptCenterSrcMove;
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}else if( TOP_RIGHT==nStatusLoc ) {
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ptFocus = TPoint(nLMove+nWMove/4, nTMove+nHMove*3/4);
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}else if( BOTTOM_RIGHT==nStatusLoc ) {
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ptFocus = TPoint(nLMove+nWMove/4, nTMove+nHMove/4);
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}else if( BOTTOM_LEFT==nStatusLoc ) {
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ptFocus = TPoint(nLMove+nWMove*3/4, nTMove+nHMove/4);
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}else if( TOP_LEFT==nStatusLoc ) {
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ptFocus = TPoint(nLMove+nWMove*3/4, nTMove+nHMove*3/4);
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}else if( RIGHT==nStatusLoc ) {
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ptFocus = TPoint(nLMove+nWMove/4, nTMove+nHMove/2);
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}else if( LEFT==nStatusLoc ) {
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ptFocus = TPoint(nLMove+nWMove*3/4, nTMove+nHMove/2);
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}else if( BOTTOM==nStatusLoc ) {
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ptFocus = TPoint(nLMove+nWMove/2, nTMove+nHMove/4);
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}else if( TOP==nStatusLoc ) {
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ptFocus = TPoint(nLMove+nWMove/2, nTMove+nHMove*3/4);
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}
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//进行缩放处理
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int nLSrc, nTSrc, nWSrc, nHSrc;
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nWSrc = nWBac*nSize;
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nHSrc = nHBac*nSize;
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if( CENTER==nStatusLoc ) {
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nLSrc = ptFocus.X - nWSrc/2;
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nTSrc = ptFocus.Y - nHSrc/2;
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}else if( TOP_RIGHT==nStatusLoc ) {
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nLSrc = ptFocus.X - nWSrc/4;
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nTSrc = ptFocus.Y - nHSrc*3/4;
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}else if( BOTTOM_RIGHT==nStatusLoc ) {
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nLSrc = ptFocus.X - nWSrc/4;
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nTSrc = ptFocus.Y - nHSrc/4;
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}else if( BOTTOM_LEFT==nStatusLoc ) {
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nLSrc = ptFocus.X - nWSrc*3/4;
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nTSrc = ptFocus.Y - nHSrc/4;
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}else if( TOP_LEFT==nStatusLoc ) {
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nLSrc = ptFocus.X - nWSrc*3/4;
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nTSrc = ptFocus.Y - nHSrc*3/4;
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}else if( RIGHT==nStatusLoc ) {
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nLSrc = ptFocus.X - nWSrc/4;
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nTSrc = ptFocus.Y - nHSrc/2;
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}else if( LEFT==nStatusLoc ) {
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nLSrc = ptFocus.X - nWSrc*3/4;
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nTSrc = ptFocus.Y - nHSrc/2;
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}else if( BOTTOM==nStatusLoc ) {
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nLSrc = ptFocus.X - nWSrc/2;
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nTSrc = ptFocus.Y - nHSrc/4;
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}else if( TOP==nStatusLoc ) {
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nLSrc = ptFocus.X - nWSrc/2;
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nTSrc = ptFocus.Y - nHSrc*3/4;
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}
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m_rtSrc.Left = nLSrc;
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m_rtSrc.Top = nTSrc;
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m_rtSrc.Right = m_rtSrc.Left+nWSrc;
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m_rtSrc.Bottom = m_rtSrc.Top+nHSrc;
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m_pPaintBoxSrcPaint(NULL);
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m_pTransSkinScollBar->Refresh();
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}
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//---------------------------------------------------------------------------
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void __fastcall TImgCopperForm::SetSrcPicRect()
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{
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int nLeft, nTop, nWidth, nHeight;
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if( m_pPicSrc ) {
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int nWidthLarge = -1;
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int nWidthCopper = m_rtCopper.Width();
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int nHeightCopper = m_rtCopper.Height();
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nWidth = m_pPicSrc->Width;
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nHeight = m_pPicSrc->Height;
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if( nWidth<m_rtCopper.Width() ) {
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nLeft = (nWidthCopper-nWidth)/2;
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}else{
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nWidthLarge = nWidth;
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nLeft = 0;
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nWidth = nWidthCopper;
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}
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if( -1!=nWidthLarge ) {
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nHeight = nHeight*nWidth/nWidthLarge;
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}
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nTop = (nHeightCopper-nHeight)/2;
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m_rtSrc.Left = nLeft+(m_rtCopperEdge.Left-m_pPaintBoxSrc->Left)+4;
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m_rtSrc.Top = nTop+(m_rtCopperEdge.Top-m_pPaintBoxSrc->Top)+4;
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m_rtSrc.Right = m_rtSrc.Left+nWidth;
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m_rtSrc.Bottom = m_rtSrc.Top+nHeight;
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m_rtSrcBac = m_rtSrc;
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m_rtSrcMove = m_rtSrc;
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if( -1!=nWidthLarge )
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m_pTransSkinScollBar->SBTotal = m_pPicSrc->Width*5/m_rtSrc.Width();
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else
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m_pTransSkinScollBar->SBTotal = 5;
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m_pTransSkinScollBar->SBShow = 2;
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m_pTransSkinScollBar->SBTop = 0;
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m_nResize = 1;
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}
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}
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//---------------------------------------------------------------------------
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bool __fastcall TImgCopperForm::SetSrcPic(String fileName)
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{
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TMemoryStream *memoryStream = new TMemoryStream();
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memoryStream->Position = 0;
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memoryStream->LoadFromFile(fileName);
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if( !GetPicType(fileName, memoryStream, true) ){
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SAFE_DELETE(memoryStream)
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return false;
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}else {
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TPicture *pTPicture = new TPicture();
|
|
try{
|
|
pTPicture->LoadFromFile(fileName);
|
|
}catch(Exception &e){
|
|
SAFE_DELETE(pTPicture)
|
|
SAFE_DELETE(memoryStream)
|
|
return false;
|
|
}
|
|
|
|
if( m_pPicSrc ) {
|
|
|
|
m_pPicSrc->Assign(pTPicture);
|
|
SetSrcPicRect();
|
|
m_pPaintBoxSrcPaint(NULL);
|
|
m_pTransSkinScollBar->Invalidate();
|
|
SAFE_DELETE(pTPicture)
|
|
}
|
|
}
|
|
|
|
SAFE_DELETE(memoryStream)
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TImgCopperForm::WMDRopFiles (TMessage& Msg)
|
|
{
|
|
wchar_t wcFileName[256];
|
|
int iCount = DragQueryFile((HDROP)Msg.WParam, 0xffffffff, wcFileName , 256);
|
|
|
|
for (int index=0; index<iCount; index++)
|
|
{
|
|
DragQueryFile((HDROP )Msg.WParam, index, wcFileName , 256);
|
|
String fileName = wstr2str(wcFileName).c_str();
|
|
|
|
if( SetSrcPic(fileName) ) break;
|
|
}
|
|
|
|
DragFinish((HDROP)Msg.WParam);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TImgCopperForm::m_btnChooseClick(TObject *Sender)
|
|
{
|
|
String strPicPath;
|
|
|
|
// -----
|
|
TOpenDialog *pDlg = new TOpenDialog(NULL);
|
|
pDlg->Title = "打开图片";
|
|
pDlg->Options << ofFileMustExist;
|
|
// pDlg->FileName = ExtractFileName(L"");
|
|
// pDlg->InitialDir = ExtractFilePath(L"");
|
|
pDlg->Filter = "jpg文件 (*.jpg)|*.JPG|png文件 (*.png)|*.PNG|bmp文件 (*.bmp)|*.BMP";
|
|
pDlg->DefaultExt = "jpg";
|
|
if ( pDlg->Execute(Handle) ) {
|
|
strPicPath = pDlg->FileName.c_str();
|
|
}
|
|
SAFE_DELETE(pDlg);
|
|
|
|
if( !strPicPath.IsEmpty() ){
|
|
SetSrcPic(strPicPath);
|
|
}
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
void __fastcall TImgCopperForm::m_pBtnOkClick(TObject *Sender)
|
|
{
|
|
int iLeft, iTop, iWidth, iHeight;
|
|
iLeft = 0;
|
|
iTop = 0;
|
|
iWidth = m_rtCopper.Width();
|
|
iHeight = m_rtCopper.Height();
|
|
|
|
TBitmap *pTBitmapCopper = new TBitmap();
|
|
pTBitmapCopper->SetSize(iWidth, iHeight);
|
|
pTBitmapCopper->Canvas->Brush->Color = RGB(0, 0, 0);
|
|
pTBitmapCopper->Canvas->FillRect(TRect(iLeft, iTop, iLeft+iWidth, iTop+iHeight));
|
|
|
|
iWidth = m_rtSrc.Width();
|
|
iHeight = m_rtSrc.Height();
|
|
|
|
m_rtSrc.Left -= m_rtCopperEdge.Left-m_pPaintBoxSrc->Left+4;
|
|
m_rtSrc.Top -= m_rtCopperEdge.Top-m_pPaintBoxSrc->Top+4;
|
|
m_rtSrc.Right = m_rtSrc.Left+iWidth;
|
|
m_rtSrc.Bottom = m_rtSrc.Top+iHeight;
|
|
pTBitmapCopper->Canvas->StretchDraw(m_rtSrc, m_pPicSrc->Graphic);
|
|
m_strCopperPath = g_strUserPath.c_str();
|
|
m_strCopperPath += L"temp\\";
|
|
if(!DirectoryExists(m_strCopperPath, false))
|
|
ForceDirectories(m_strCopperPath);
|
|
m_strCopperPath += L"copper.jpg";
|
|
|
|
TJPEGImage *pTJPEGImage = new TJPEGImage();
|
|
pTJPEGImage->Assign(pTBitmapCopper);
|
|
pTJPEGImage->SaveToFile( m_strCopperPath );
|
|
SAFE_DELETE(pTJPEGImage);
|
|
SAFE_DELETE(pTBitmapCopper);
|
|
}
|
|
//---------------------------------------------------------------------------
|
|
|
|
|
|
|
|
|