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Respect width and height in rfx_process_message

This commit is contained in:
Armin Novak 2017-02-09 12:36:54 +01:00
parent 9126881248
commit 7ef90497c7
1 changed files with 7 additions and 0 deletions
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7
libfreerdp/codec/rfx.c
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@ -1150,6 +1150,7 @@ BOOL rfx_process_message(RFX_CONTEXT* context, const BYTE* data, UINT32 length,
REGION16 clippingRects;
const RECTANGLE_16* updateRects;
const DWORD formatSize = GetBytesPerPixel(context->pixel_format);
const UINT32 dstWidth = dstStride / formatSize;
region16_init(&clippingRects);
for (i = 0; i < message->numRects; i++)
@ -1185,6 +1186,12 @@ BOOL rfx_process_message(RFX_CONTEXT* context, const BYTE* data, UINT32 length,
UINT32 nWidth = MIN(64, updateRects[j].right - updateRects[j].left);
UINT32 nHeight = MIN(64, updateRects[j].bottom - updateRects[j].top);
if (nXDst + nWidth > dstWidth)
nWidth = MAX(0, dstWidth - nXDst);
if (nYDst + nHeight > dstHeight)
nHeight = MAX(0, dstHeight - nYDst);
if (!freerdp_image_copy(dst, dstFormat, dstStride,
nXDst, nYDst, nWidth, nHeight,
tile->data, context->pixel_format, stride, nXSrc, nYSrc, NULL, FREERDP_FLIP_NONE))