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Diffstat (limited to 'xrdp/xrdp_bitmap.c')
-rw-r--r--xrdp/xrdp_bitmap.c57
1 files changed, 54 insertions, 3 deletions
diff --git a/xrdp/xrdp_bitmap.c b/xrdp/xrdp_bitmap.c
index 19620c40..b3faea41 100644
--- a/xrdp/xrdp_bitmap.c
+++ b/xrdp/xrdp_bitmap.c
@@ -821,6 +821,8 @@ xrdp_bitmap_copy_box_with_crc(struct xrdp_bitmap *self,
unsigned char *d8 = (unsigned char *)NULL;
unsigned short *s16 = (unsigned short *)NULL;
unsigned short *d16 = (unsigned short *)NULL;
+ unsigned int *s32;
+ unsigned int *d32;
if (self == 0)
{
@@ -864,16 +866,65 @@ xrdp_bitmap_copy_box_with_crc(struct xrdp_bitmap *self,
if (self->bpp == 24)
{
+ s32 = ((unsigned int *)(self->data)) + (self->width * y + x);
+ d32 = ((unsigned int *)(dest->data)) + (dest->width * desty + destx);
+ incs = self->width - cx;
+ incd = dest->width - cx;
+
for (i = 0; i < cy; i++)
{
- for (j = 0; j < cx; j++)
+ j = 0;
+ while (j < cx - 4)
{
- pixel = GETPIXEL32(self->data, j + x, i + y, self->width);
+ pixel = *s32;
CRC_PASS(pixel, crc);
CRC_PASS(pixel >> 8, crc);
CRC_PASS(pixel >> 16, crc);
- SETPIXEL32(dest->data, j + destx, i + desty, dest->width, pixel);
+ *d32 = pixel;
+ s32++;
+ d32++;
+
+ pixel = *s32;
+ CRC_PASS(pixel, crc);
+ CRC_PASS(pixel >> 8, crc);
+ CRC_PASS(pixel >> 16, crc);
+ *d32 = pixel;
+ s32++;
+ d32++;
+
+ pixel = *s32;
+ CRC_PASS(pixel, crc);
+ CRC_PASS(pixel >> 8, crc);
+ CRC_PASS(pixel >> 16, crc);
+ *d32 = pixel;
+ s32++;
+ d32++;
+
+ pixel = *s32;
+ CRC_PASS(pixel, crc);
+ CRC_PASS(pixel >> 8, crc);
+ CRC_PASS(pixel >> 16, crc);
+ *d32 = pixel;
+ s32++;
+ d32++;
+
+ j += 4;
}
+ while (j < cx)
+ {
+ pixel = *s32;
+ CRC_PASS(pixel, crc);
+ CRC_PASS(pixel >> 8, crc);
+ CRC_PASS(pixel >> 16, crc);
+ *d32 = pixel;
+ s32++;
+ d32++;
+
+ j += 1;
+ }
+
+ s32 += incs;
+ d32 += incd;
}
}
else if (self->bpp == 15 || self->bpp == 16)