//
// 函数: InitInstance(HINSTANCE, int)
//
// 目的: 保存实例句柄并创建主窗口
//
// 注释:
//
// 在此函数中，我们在全局变量中保存实例句柄并
// 创建和显示主程序窗口。
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
HWND hWnd;
hInst = hInstance; // 将实例句柄存储在全局变量中
hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);
if (!hWnd)
{
return FALSE;
}
// 打开资源
BYTE* buff = NULL; DWORD size = 0;
HGLOBAL hres = CResGetter::GetBinary(IDB_BMP1, _T("BMP"), buff, size);
// 打开文件并获取解码器
CMemFile file(buff, size); CGC gc;
ICoderObject* coder = CImgAnalyzer::GetCoder(&file, &gc);
// 解码文件
imgOrig = coder->Decode();
imgShow = imgOrig.Clone();
// 关闭资源
CResGetter::ReleaseBinary(hres);
// 允许拖放
DragAcceptFiles(hWnd, TRUE);
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
return TRUE;
}
BOOL OpenFile(HWND hWnd, CString& sPath)
{
if (sPath.Empty()) return FALSE;
// 打开文件并获取解码器
CIOFile file(sPath); CGC gc;
ICoderObject* coder = CImgAnalyzer::GetCoder(&file, &gc);
if (!coder) return FALSE;
// 解码文件
imgOrig = coder->Decode();
imgShow = imgOrig.Clone();
return TRUE;
}
//
// 函数: WndProc(HWND, UINT, WPARAM, LPARAM)
//
// 目的: 处理主窗口的消息。
//
// WM_COMMAND - 处理应用程序菜单
// WM_PAINT - 绘制主窗口
// WM_DESTROY - 发送退出消息并返回
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId, wmEvent;
PAINTSTRUCT ps;
HDC hdc;
switch (message)
{
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// 分析菜单选择:
switch (wmId)
{
// 文件
case IDM_OPEN:
{
CString ret;
CSysDialog::FileDialog(ret, TRUE, NULL, NULL,
_T("图片文件(*.bmp;*.jpg;*.png;*.ico)\0*.bmp;*.jpg;*.png;*.ico\0所有文件(*.*)\0*.*\0"));
OpenFile(hWnd, ret);
// 刷新窗口
Invalidate(hWnd);
}
break;
case IDM_SAVE:
if (imgShow)
{
CString ret; DWORD inx = 0;
CSysDialog::FileDialog(ret, FALSE, NULL, NULL,
_T("BMP文件(*.bmp)\0*.bmp\0JPG文件(*.jpg)\0*.jpg\0PNG文件(*.png)\0*.png\0ICO文件(*.ico)\0*.ico\0"), &inx);
SaveFile(inx, ret);
}
break;
// 原图
case IDM_ORI:
if (imgOrig)
{
imgShow = imgOrig.Clone();
// 刷新窗口
Invalidate(hWnd);
}
break;
// 形变
case IDM_PLG:
if (imgShow)
{
CPoint var[2] =
{
CPoint(500, 200),
CPoint(600, 400)
};
image_t tmp = CImgDeformer::PlgDeform(imgShow, var);
if(!tmp) break;
imgShow = tmp;
// 刷新窗口
Invalidate(hWnd);
}
break;
case IDM_WHL:
if (imgShow)
{
image_t tmp = CImgDeformer::WhlDeform(imgShow, -45);
if(!tmp) break;
imgShow = tmp;
// 刷新窗口
Invalidate(hWnd);
}
break;
case IDM_ZOM:
if (imgShow)
{
CImage bmp_img(imgShow);
image_t tmp = CImgDeformer::ZomDeform(imgShow, (LONG)(bmp_img.GetWidth() * -1.2), (LONG)(bmp_img.GetHeight() * 1.5));
if(!tmp) break;
imgShow = tmp;
// 刷新窗口
Invalidate(hWnd);
}
break;
// 渲染
case IDM_GRAY:
Filter(hWnd, &CFilterGray());
break;
case IDM_INVE:
Filter(hWnd, &CFilterInverse());
break;
case IDM_RELI:
{
timeBeginPeriod(1);
DWORD t_s = timeGetTime();
Filter(hWnd, &CFilterRelief());
DWORD t_e = timeGetTime();
timeEndPeriod(1);
t_e -= t_s;
CString msg;
msg.Format(_T("%d ms"), t_e);
::MessageBox(NULL, (LPCTSTR)msg, NULL, 0);
}
break;
case IDM_DIFF:
Filter(hWnd, &CFilterDiffuse());
break;
case IDM_GAUS:
{
timeBeginPeriod(1);
DWORD t_s = timeGetTime();
Filter(hWnd, &CFilterGauss());
DWORD t_e = timeGetTime();
timeEndPeriod(1);
t_e -= t_s;
CString msg;
msg.Format(_T("%d ms"), t_e);
::MessageBox(NULL, (LPCTSTR)msg, NULL, 0);
}
break;
case IDM_OUTG:
if (imgShow)
{
/* CFilterGauss filter;
CPoint pt_flt(filter.m_Radius << 1, filter.m_Radius << 1);
// 将图片扩大
CRect rc(0, 0, imgShow.GetWidth(), imgShow.GetHeight());
image_t tmp = imgShow.Clone(rc + pt_flt);
if (!tmp) break;
// 阴影化
CImgFilter::Filter(tmp, CRect(), &CFilterFill(ExRGB(255, 255, 190), 0xe));
CImgFilter::Filter(tmp, CRect(), &filter);
// 阴影叠加
rc.Offset(pt_flt);
CImgRenderer::Render(tmp, imgShow, rc, CPoint());
imgShow = tmp;
// 刷新窗口
Invalidate(hWnd);*/
}
break;
case IDM_GRAD:
Filter(hWnd, &CFilterGradient(
ExRGBA(255, 255, 255, 128), ExRGBA(0, 0, 0, 128), 0x9, FALSE));
break;
// 关于
case IDM_ABOUT:
DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
break;
// 退出
case IDM_EXIT:
DestroyWindow(hWnd);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
{
RECT rect = {0};
GetClientRect(hWnd, &rect);
CImage mem_img;
mem_img.Create(rect.right - rect.left, rect.bottom - rect.top);
CDC mem_dc;
mem_dc.Create(hdc);
mem_dc.SetObject(mem_img.Get());
HBRUSH brh = (HBRUSH)GetStockObject(GRAY_BRUSH);
FillRect(mem_dc, &rect, brh);
if(!imgShow.IsNull())
{
CImgRenderer::Render
(
mem_img, imgShow,
CRect
(
(rect.right - imgShow.GetWidth()) / 2,
(rect.bottom - imgShow.GetHeight()) / 2,
rect.right,
rect.bottom
),
CPoint()
);
}
CText text((font_t)::GetStockObject(DEFAULT_GUI_FONT), ExRGBA(255, 255, 255, 128));
CString str(_T("Dark C.at"));
CImage bmp_img(text.GetImage(str));
if(!bmp_img.IsNull())
CImgRenderer::Render(mem_img, bmp_img, CRect(
rect.right - bmp_img.GetWidth() - 5,
rect.bottom - bmp_img.GetHeight() - 5,
rect.right, rect.bottom));
::BitBlt(hdc, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, mem_dc, 0, 0, SRCCOPY);
mem_dc.Delete();
}
EndPaint(hWnd, &ps);
break;
case WM_ERASEBKGND:
break;
case WM_DROPFILES:
{
HDROP drop = (HDROP)wParam;
CString path;
DragQueryFile(drop, 0, path.GetCStr(MAX_PATH), MAX_PATH);
DragFinish(drop);
if (path.Empty()) break;
WIN32_FIND_DATA fd;
HANDLE find = ::FindFirstFile(path, &fd);
if (find == INVALID_HANDLE_VALUE)
break;
::FindClose(find);
if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
break;
OpenFile(hWnd, path);
// 刷新窗口
Invalidate(hWnd);
}
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}