//-------------------------------------------------------------------
JNIEXPORT jint JNICALL Java_com_example_demo_record_ScreenShotService_getPicFromFrameBuffer
(JNIEnv * env, jobject thiz, jint width, jint height, jint bit, jint filename){
LOGI("---进入到屏幕截图本地调用函数！---");
fb_create();
char cfilename[512];
sprintf(cfilename, "/sdcard/luzhi/%d.bmp", filename);
int i = 0;
if(bit == 0)
{
i = save_bmp(cfilename, width, height, g_fb.bits, g_fb.vi.bits_per_pixel);
}
else
{
i = save_bmp(cfilename, width, height, g_fb.bits, bit);
}
fb_destory(&g_fb);
//(*env)->ReleaseStringUTFChars(filename, cfilename);
if(i == 0)
{
LOGI("---生成文件失败！---");
return -1;
}
LOGI("---生成文件成功！---");
return 0;
}
int screen_shot(const char * path)
{
struct FB * fb = NULL;
fb = fb_create(1);
if (fb) {
save_bmp(path, fb_width(fb), fb_height(fb), fb_bits(fb), fb_bpp(fb));
fb_destory(fb);
}
return 0;
}
static int file_to_fb(const char * srcpath)
{
int ret = -1;
BMP_READ * bmp = NULL;
struct FB * fb = NULL;
int sw, sh;
int srcbpp, dstbpp;
void * pdata = NULL, * bmpdata = NULL;
RGB_CONVERT_FUN convert_func = NULL;
do
{
bmp = bmp_open(srcpath);
if (!bmp) {
break;
}
fb = fb_create(0);
if (!fb) {
break;
}
sw = bmp_width(bmp);
sh = bmp_height(bmp);
bmpdata = bmp_data(bmp);
srcbpp = bmp_bpp(bmp);
dstbpp = fb_bpp(fb);
convert_func = get_convert_func(srcbpp, dstbpp);
if (convert_func) {
pdata = convert_func(bmpdata, sw, sh);
bmpdata = pdata;
}
if (!bmp_forward(bmp)) {
line_reversal(bmpdata, sw, sh, dstbpp);
}
rgb_copy(bmpdata, fb_bits(fb), sw, sh, fb_width(fb), fb_height(fb), dstbpp);
ret = 0;
} while (0);
fb_destory(fb);
bmp_close(bmp);
if (pdata) {
free(pdata);
}
return ret;
}
static int fb_to_file(const char * dstpath, int output_rgb)
{
int ret = -1;
int w, h;
int srcbpp, dstbpp;
void * pdata = NULL, * fbdata = NULL;
RGB_CONVERT_FUN convert_func = NULL;
struct FB * fb = NULL;
do
{
fb = fb_create(1);
if (!fb) {
break;
}
w = fb_width(fb);
h = fb_height(fb);
fbdata = fb_bits(fb);
srcbpp = fb_bpp(fb);
dstbpp = g_rgbbpp[output_rgb];
convert_func = get_convert_func(srcbpp, dstbpp);
if (convert_func) {
pdata = convert_func(fbdata, w, h);
fbdata = pdata;
}
ret = save_bmp(dstpath, w, h, fbdata, dstbpp);
} while (0);
if (pdata) {
free(pdata);
}
fb_destory(fb);
return ret;
}
