//export webRdpBitmapDecompress
func webRdpBitmapDecompress(context *C.rdpContext, bitmap *C.rdpBitmap, data *C.BYTE,
width C.int, height C.int, bpp C.int, length C.int,
compressed C.BOOL, codecId C.int) C.BOOL {
log.Printf("compressed:%d bpp:%d", compressed, bpp)
size := width * height * 4
if bitmap.data != nil {
C._aligned_free(unsafe.Pointer(bitmap.data))
}
bitmap.data = (*C.BYTE)(C._aligned_malloc(C.size_t(size), 16))
if compressed != false {
if bpp < 32 {
C.freerdp_client_codecs_prepare(context.codecs, C.FREERDP_CODEC_INTERLEAVED)
C.interleaved_decompress(context.codecs.interleaved, data, C.UINT32(length), bpp,
&(bitmap.data), C.PIXEL_FORMAT_XRGB32, -1, 0, 0, width, height, C.getBYTEpalette(context))
} else {
C.freerdp_client_codecs_prepare(context.codecs, C.FREERDP_CODEC_PLANAR)
status := C.planar_decompress(context.codecs.planar, data, C.UINT32(length),
&(bitmap.data), C.PIXEL_FORMAT_XRGB32, -1, 0, 0, width, height, true)
log.Printf("webRdpBitmapDecompress status::::::%d", status)
}
} else {
C.freerdp_image_flip(data, bitmap.data, width, height, bpp)
}
bitmap.compressed = false
bitmap.length = C.UINT32(size)
bitmap.bpp = 32
return true
}
//export bitmapUpdate
func bitmapUpdate(rawContext *C.rdpContext, bitmap *C.BITMAP_UPDATE) {
context := (*rdpContext)(unsafe.Pointer(rawContext))
var bmd *C.BITMAP_DATA
var i int
for i = 0; i < int(bitmap.number); i++ {
bmd = C.nextBitmapRectangle(bitmap, C.int(i))
buf := new(bytes.Buffer)
meta := bitmapUpdateMeta{
WSOP_SC_BITMAP, // op
uint32(bmd.destLeft), // x
uint32(bmd.destTop), // y
uint32(bmd.width), // w
uint32(bmd.height), // h
uint32(bmd.destRight - bmd.destLeft + 1), // dw
uint32(bmd.destBottom - bmd.destTop + 1), // dh
uint32(bmd.bitsPerPixel), // bpp
uint32(bmd.compressed), // cf
uint32(bmd.bitmapLength), // sz
}
if int(bmd.compressed) == 0 {
C.freerdp_image_flip(bmd.bitmapDataStream, bmd.bitmapDataStream, C.int(bmd.width), C.int(bmd.height), C.int(bmd.bitsPerPixel))
}
binary.Write(buf, binary.LittleEndian, meta)
// Unsafe copy bmd.bitmapLength bytes out of bmd.bitmapDataStream
var bitmapDataStream []byte
clen := int(bmd.bitmapLength)
bitmapDataStream = (*[1 << 30]byte)(unsafe.Pointer(bmd.bitmapDataStream))[:clen]
(*reflect.SliceHeader)(unsafe.Pointer(&bitmapDataStream)).Cap = clen
binary.Write(buf, binary.LittleEndian, bitmapDataStream)
sendBinary(context.sendq, buf)
}
}