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opencv录制视频并压缩
opencv 经常用来视频处理,唯一的缺点就是cvCreateVideoWriter录制视频生成的文件太大,本工程提供压缩方案,注释详细,并附图文解说文档,录制测试3分35秒,文件大小为6.97兆,可以接受吧,
2016-12-14
wpf datagrid数据导出到execl
private void daochu_Click(object sender, RoutedEventArgs e)
{
System.Windows.Controls.DataGrid DataGrid = dataGrid1;
string file = "C:Users\\Administrator\\Desktop\\qb";
Export(DataGrid, file);
}
public static void Export(System.Windows.Controls.DataGrid dataGrid, string _fileName)
{
System.Data.DataTable dt = new System.Data.DataTable();
for (int i = 0; i < dataGrid.Columns.Count; i++)
{
if (dataGrid.Columns[i].Visibility == System.Windows.Visibility.Visible)//只导出可见列
{
dt.Columns.Add(dataGrid.Columns[i].Header.ToString());//构建表头
2015-11-13
linux调用jni生成的so
#include"TestNative.h";
JNIEXPORT jint JNICALL Java_TestNative_add
(JNIEnv *ev, jobject obj, jint x, jint y)
{
return x+y;
}
2015-08-04
firebreath实例
代码完整,开发框架需要自己搭建
bool hest::onMouseMove(FB::MouseMoveEvent *evt, FB::PluginWindow *win)
{
//printf("Mouse move at: %d, %d\n", evt->m_x, evt->m_y);
m_mousePosXnew=evt->m_x,m_mousePosYnew=evt->m_y;
if(b_isDown)
{
FB::PluginWindowWin *wnd =dynamic_cast< FB::PluginWindowWin*>(win);
char *a;
HWND hWnd = wnd->getHWND();
HDC hDC=GetDC(hWnd);
2015-07-10
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