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Merge pull request #2825 from akallabeth/pointer_decoding_fix

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Fixed color pointer decoding.
This commit is contained in:
Norbert Federa 2015-09-01 11:09:42 +02:00
commit 2d5e249eff
5 changed files with 98 additions and 44 deletions
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12
client/Mac/MRDPView.m
View File

@ -1075,9 +1075,17 @@ BOOL mf_Pointer_New(rdpContext* context, rdpPointer* pointer)
return FALSE;
mrdpCursor->cursor_data = cursor_data;
freerdp_image_copy_from_pointer_data(cursor_data, PIXEL_FORMAT_ARGB32,
if (freerdp_image_copy_from_pointer_data(
cursor_data, PIXEL_FORMAT_ARGB32,
pointer->width * 4, 0, 0, pointer->width, pointer->height,
pointer->xorMaskData, pointer->andMaskData, pointer->xorBpp, NULL);
pointer->xorMaskData, pointer->lengthXorMask,
pointer->andMaskData, pointer->lengthAndMask,
pointer->xorBpp, NULL) < 0)
{
free(cursor_data);
mrdpCursor->cursor_data = NULL;
return FALSE;
}
/* store cursor bitmap image in representation - required by NSImage */
bmiRep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:(unsigned char **) &cursor_data

13
client/X11/xf_graphics.c
View File

@ -237,11 +237,16 @@ BOOL xf_Pointer_New(rdpContext* context, rdpPointer* pointer)
return FALSE;
}
if ((pointer->andMaskData != 0) && (pointer->xorMaskData != 0))
{
freerdp_image_copy_from_pointer_data((BYTE*) ci.pixels, PIXEL_FORMAT_ARGB32,
if (freerdp_image_copy_from_pointer_data(
(BYTE*) ci.pixels, PIXEL_FORMAT_ARGB32,
pointer->width * 4, 0, 0, pointer->width, pointer->height,
pointer->xorMaskData, pointer->andMaskData, pointer->xorBpp, xfc->palette);
pointer->xorMaskData, pointer->lengthXorMask,
pointer->andMaskData, pointer->lengthAndMask,
pointer->xorBpp, xfc->palette) < 0)
{
free(ci.pixels);
xf_unlock_x11(xfc, FALSE);
return FALSE;
}
((xfPointer*) pointer)->cursor = XcursorImageLoadCursor(xfc->display, &ci);

7
include/freerdp/codec/color.h
View File

@ -452,8 +452,11 @@ FREERDP_API void freerdp_clrconv_free(HCLRCONV clrconv);
FREERDP_API int freerdp_image_copy_from_monochrome(BYTE* pDstData, UINT32 DstFormat, int nDstStep, int nXDst, int nYDst,
int nWidth, int nHeight, BYTE* pSrcData, UINT32 backColor, UINT32 foreColor, BYTE* palette);
FREERDP_API int freerdp_image_copy_from_pointer_data(BYTE* pDstData, UINT32 DstFormat, int nDstStep, int nXDst, int nYDst,
int nWidth, int nHeight, BYTE* xorMask, BYTE* andMask, UINT32 xorBpp, BYTE* palette);
FREERDP_API int freerdp_image_copy_from_pointer_data(
BYTE* pDstData, UINT32 DstFormat, int nDstStep,
int nXDst, int nYDst, int nWidth, int nHeight, BYTE* xorMask,
UINT32 xorMaskLength, BYTE* andMask, UINT32 andMaskLength,
UINT32 xorBpp, BYTE* palette);
FREERDP_API int freerdp_image8_copy(BYTE* pDstData, DWORD DstFormat, int nDstStep, int nXDst, int nYDst,
int nWidth, int nHeight, BYTE* pSrcData, DWORD SrcFormat, int nSrcStep, int nXSrc, int nYSrc, BYTE* palette);

48
libfreerdp/codec/color.c
View File

@ -1426,8 +1426,12 @@ void freerdp_alpha_cursor_convert(BYTE* alphaData, BYTE* xorMask, BYTE* andMask,
* http://msdn.microsoft.com/en-us/library/windows/hardware/ff556138/
*/
int freerdp_image_copy_from_pointer_data(BYTE* pDstData, UINT32 DstFormat, int nDstStep, int nXDst, int nYDst,
int nWidth, int nHeight, BYTE* xorMask, BYTE* andMask, UINT32 xorBpp, BYTE* palette)
int freerdp_image_copy_from_pointer_data(BYTE* pDstData, UINT32 DstFormat,
int nDstStep, int nXDst, int nYDst,
int nWidth, int nHeight, BYTE* xorMask,
UINT32 xorMaskLength, BYTE* andMask,
UINT32 andMaskLength, UINT32 xorBpp,
BYTE* palette)
{
int x, y;
BOOL vFlip;
@ -1463,15 +1467,27 @@ int freerdp_image_copy_from_pointer_data(BYTE* pDstData, UINT32 DstFormat, int n
andStep = (nWidth + 7) / 8;
andStep += (andStep % 2);
if (!xorMask || (xorMaskLength == 0))
return -1;
if (dstBytesPerPixel == 4)
{
UINT32* pDstPixel;
if (xorBpp == 1)
{
if (!andMask || (andMaskLength == 0))
return -1;
xorStep = (nWidth + 7) / 8;
xorStep += (xorStep % 2);
if (xorStep * nHeight > xorMaskLength)
return -1;
if (andStep * nHeight > andMaskLength)
return -1;
pDstPixel = (UINT32*) &pDstData[(nYDst * nDstStep) + (nXDst * 4)];
for (y = 0; y < nHeight; y++)
@ -1525,26 +1541,41 @@ int freerdp_image_copy_from_pointer_data(BYTE* pDstData, UINT32 DstFormat, int n
return -1;
}
if (xorStep * nHeight > xorMaskLength)
return -1;
if (andMask)
{
if (andStep * nHeight > andMaskLength)
return -1;
}
for (y = 0; y < nHeight; y++)
{
andBit = 0x80;
if (!vFlip)
{
if (andMask)
andBits = &andMask[andStep * y];
xorBits = &xorMask[xorStep * y];
}
else
{
if (andMask)
andBits = &andMask[andStep * (nHeight - y - 1)];
xorBits = &xorMask[xorStep * (nHeight - y - 1)];
}
for (x = 0; x < nWidth; x++)
{
BOOL ignoreAndMask = FALSE;
if (xorBpp == 32)
{
xorPixel = *((UINT32*) xorBits);
if (xorPixel & 0xFF000000)
ignoreAndMask = TRUE;
}
else if (xorBpp == 16)
{
@ -1563,14 +1594,21 @@ int freerdp_image_copy_from_pointer_data(BYTE* pDstData, UINT32 DstFormat, int n
xorBits += xorBytesPerPixel;
andPixel = 0;
if (andMask)
{
andPixel = (*andBits & andBit) ? 1 : 0;
if (!(andBit >>= 1)) { andBits++; andBit = 0x80; }
}
if (andPixel)
/* Ignore the AND mask, if the color format already supplies alpha data. */
if (andPixel && !ignoreAndMask)
{
if (xorPixel == 0xFF000000) /* black */
const UINT32 xorPixelMasked = xorPixel | 0xFF000000;
if (xorPixelMasked == 0xFF000000) /* black */
*pDstPixel++ = 0x00000000; /* transparent */
else if (xorPixel == 0xFFFFFFFF) /* white */
else if (xorPixelMasked == 0xFFFFFFFF) /* white */
*pDstPixel++ = 0xFF000000; /* inverted (set as black) */
else
*pDstPixel++ = xorPixel;