[PATCH 1/2] windowscodecs: Add tests and initial implementation for DdsFrameDecode_CopyPixels().

[Ziqing Hui]

Signed-off-by: Ziqing Hui 
---
 dlls/windowscodecs/ddsformat.c       | 57 ++++++++++++++++-
 dlls/windowscodecs/tests/ddsformat.c | 91 ++++++++++++++++++++++++++--
 2 files changed, 141 insertions(+), 7 deletions(-)