jawt_info.h

这里面有150个从简单到难的java 程序的源代码

#ifndef JAWT_INFO_H
#define JAWT_INFO_H

// Helper class for accessing JAWT Information.
class JAWT_Info 
{
private:
    JAWT awt;
    JAWT_DrawingSurface* ds;
    JAWT_DrawingSurfaceInfo* dsi;
    JAWT_Win32DrawingSurfaceInfo* dsi_win;

public:
    JAWT_Info(JNIEnv *env, jobject panel)
    {
        jboolean result;
        jint lock;

        // Get the AWT
        awt.version = JAWT_VERSION_1_3;
        result = JAWT_GetAWT(env, &awt);
        assert(result != JNI_FALSE);
        // Get the drawing surface
        ds = awt.GetDrawingSurface(env, panel);
        if(ds == NULL)
            return;
        // Lock the drawing surface
        lock = ds->Lock(ds);
        assert((lock & JAWT_LOCK_ERROR) == 0);

        // Get the drawing surface info
        dsi = ds->GetDrawingSurfaceInfo(ds);

        // Get the platform-specific drawing info
        dsi_win = (JAWT_Win32DrawingSurfaceInfo*)dsi->platformInfo;
    }
    
    HWND getHWND()
    {
        if(dsi_win == NULL)
            return NULL;
        return dsi_win->hwnd;
    }

    HDC getHDC()
    {
        if(dsi_win == NULL)
            return NULL;
        return dsi_win->hdc;
    }

    virtual ~JAWT_Info()
    {
        if(ds != NULL)
        {
            // Free the drawing surface info
            ds->FreeDrawingSurfaceInfo(dsi);
            // Unlock the drawing surface
            ds->Unlock(ds);
            // Free the drawing surface
            awt.FreeDrawingSurface(ds);
        }
    }
};

#endif