FREObject updateCameraFrame(FREContext ctx, void* funcData, uint32_t argc, FREObject argv[])
{
gGrabber.update();
if( !gGrabber.isFrameNew() ) return NULL;
FREObject as3Bitmap = argv[0];
FREBitmapData bitmapData;
FREAcquireBitmapData(as3Bitmap, &bitmapData);
// do something
uint32_t r = rand() % 255;
uint32_t g = rand() % 255;
uint32_t b = rand() % 255;
unsigned char *pixel = gGrabber.getPixels();
uint32_t* ptr = bitmapData.bits32;
int offset = bitmapData.lineStride32 - bitmapData.width;
int alpha = 255;
for( uint32_t j = 0; j < bitmapData.height; j++ ){
ptr = bitmapData.bits32 + bitmapData.lineStride32*(bitmapData.height-j-1);
for( uint32_t i = 0; i < bitmapData.width; i++ ){
r = *pixel++; g = *pixel++; b = *pixel++;
*ptr++ = (alpha << 24) | (r << 16) | (g << 8) | b;
}
}
FREInvalidateBitmapDataRect(as3Bitmap, 0, 0, bitmapData.width, bitmapData.height);
FREReleaseBitmapData(as3Bitmap);
return NULL;
}
FREObject fillBitmapRandomColor(FREContext ctx, void* funcData, uint32_t argc, FREObject argv[])
{
FREObject as3Bitmap = argv[0];
FREBitmapData bitmapData;
FREAcquireBitmapData(as3Bitmap, &bitmapData);
// do something
uint32_t r = rand() % 255;
uint32_t g = rand() % 255;
uint32_t b = rand() % 255;
uint32_t* ptr = bitmapData.bits32;
int offset = bitmapData.lineStride32 - bitmapData.width;
int alpha = 255;
for( uint32_t j = 0; j < bitmapData.height; j++ ){
for( uint32_t i = 0; i < bitmapData.width; i++ ){
*ptr++ = (alpha << 24) | (r << 16) | (g << 8) | b;
}
ptr += offset;
}
FREInvalidateBitmapDataRect(as3Bitmap, 0, 0, bitmapData.width, bitmapData.height);
FREReleaseBitmapData(as3Bitmap);
return NULL;
}
FREObject __cdecl AmbireCaptureCapture(FREContext ctx, void * functionData, uint32_t argc, FREObject argv[]) {
bool success = false;
POINT pt = { 0 };
FREBitmapData bd = { 0 };
FREResult result = FREAcquireBitmapData(argv[0], &bd);
if(result == FRE_OK) {
int width = bd.width;
int height = bd.height;
BITMAPINFOHEADER bmi = { 0 };
bmi.biSize = sizeof(bmi);
bmi.biWidth = width;
bmi.biHeight = height;
bmi.biPlanes = 1;
bmi.biBitCount = 24;
int stride = ((width * 3 + 3) / 4) * 4;
bmi.biSizeImage = stride * height;
void * ppvBits = 0;
HDC hdcDesktop = GetDC(0);
if(hdcDesktop) {
HDC hdcMem = CreateCompatibleDC(hdcDesktop);
if(hdcMem) {
HBITMAP hbm = CreateDIBSection(hdcMem, (const BITMAPINFO *)&bmi, 0, &ppvBits, 0, 0);
if(hbm) {
SelectObject(hdcMem, hbm);
BitBlt(hdcMem, 0, 0, width, height, hdcDesktop, 0, 0, SRCCOPY);
GdiFlush();
ReleaseDC(0, hdcDesktop);
DeleteDC(hdcMem);
GdiFlush();
for(int y = 0; y < height; ++y) {
const unsigned char * p = reinterpret_cast<unsigned char *>(ppvBits) + y * stride;
uint32_t * q = reinterpret_cast<uint32_t *>(bd.bits32) + y * bd.lineStride32;
for(int x = 0; x < width; ++x, p += 3, ++q) {
*q = 0xFF000000 | (p[2] << 16) | (p[1] << 8) | p[0];
}
}
success = true;
DeleteObject(hbm);
} else {
DeleteDC(hdcMem);
}
} else {
ReleaseDC(0, hdcDesktop);
}
}
FREReleaseBitmapData(argv[0]);
}
FREObject rv = 0;
FRENewObjectFromBool(success ? 1 : 0, &rv);
return rv;
}
