rubberband.c

定要上载质量高而定要上载质量高而定要上载质量高而定要上载质量高而定要上载质量高而

#include <jni.h>
#include "org_flexdock_docking_drag_outline_win32_Win32RubberBand.h"
#include <windows.h>

JNIEXPORT void JNICALL Java_org_flexdock_docking_drag_outline_win32_Win32RubberBand_drawRectangle
		(JNIEnv *env, jobject obj, jint x, jint y, jint width, jint height) {
	drawRectImpl(x, y, width, height,  R2_COPYPEN);
	return;
}

JNIEXPORT void JNICALL Java_org_flexdock_docking_drag_outline_win32_Win32RubberBand_clearRectangle
		(JNIEnv *env, jobject obj, jint x, jint y, jint width, jint height) {
	drawRectImpl(x, y, width, height,  R2_NOTCOPYPEN);
	return;
}

int drawRectImpl(int x, int y, int width, int height, int penType) {
    HDC hdc;
    RECT myRect;
    
    if(width<0 || height<0)
    	return -1;
    
    int x2 = x + width;
    int y2 = y + height;

	hdc = GetWindowDC(GetDesktopWindow());
	SetRect(&myRect, x, y, x2, y2);
	SetROP2(hdc, penType);
	DrawFocusRect(hdc, &myRect);
	ReleaseDC(NULL, hdc);
	return 0;
}

JNIEXPORT void JNICALL Java_org_flexdock_docking_drag_outline_win32_Win32RubberBand_cleanup
		(JNIEnv *env, jobject obj) {
	cleanupImpl();
}

JNIEXPORT void JNICALL JNI_OnUnload(JavaVM *vm, void *reserved) {
	cleanupImpl();
}

int cleanupImpl() {
	return 0;
}