wine-staging/patches/oleaut32-OleLoadPicture/0002-oleaut32-Make-OleLoadPicture-load-DIBs-using-WIC-dec.patch

From e72c3ef9b52c3b5b099907c017206f168cff419f Mon Sep 17 00:00:00 2001
From: Dmitry Timoshkov <dmitry@baikal.ru>
Date: Wed, 5 Apr 2017 12:03:19 +0800
Subject: [PATCH] oleaut32: Make OleLoadPicture load DIBs using WIC decoder.

CreateDIBSection doesn't support RLE compressed bitmaps.

This patch fixes a regression with displaying images in a Wix based
installer.
---
 dlls/oleaut32/olepicture.c       | 21 +--------------------
 dlls/oleaut32/tests/olepicture.c | 12 +++++++++++-
 2 files changed, 12 insertions(+), 21 deletions(-)

diff --git a/dlls/oleaut32/olepicture.c b/dlls/oleaut32/olepicture.c
index 22a34d6e380..37c3983ed21 100644
--- a/dlls/oleaut32/olepicture.c
+++ b/dlls/oleaut32/olepicture.c
@@ -979,25 +979,6 @@ static HRESULT WINAPI OLEPictureImpl_IsDirty(
   return E_NOTIMPL;
 }
 
-static HRESULT OLEPictureImpl_LoadDIB(OLEPictureImpl *This, BYTE *xbuf, ULONG xread)
-{
-    BITMAPFILEHEADER	*bfh = (BITMAPFILEHEADER*)xbuf;
-    BITMAPINFO		*bi = (BITMAPINFO*)(bfh+1);
-    void *bits;
-    BITMAP bmp;
-
-    This->desc.bmp.hbitmap = CreateDIBSection(0, bi, DIB_RGB_COLORS, &bits, NULL, 0);
-    if (This->desc.bmp.hbitmap == 0)
-        return E_FAIL;
-
-    GetObjectA(This->desc.u.bmp.hbitmap, sizeof(bmp), &bmp);
-    memcpy(bits, xbuf + bfh->bfOffBits, bmp.bmHeight * bmp.bmWidthBytes);
-
-    This->desc.picType = PICTYPE_BITMAP;
-    OLEPictureImpl_SetBitmap(This);
-    return S_OK;
-}
-
 static HRESULT OLEPictureImpl_LoadWICSource(OLEPictureImpl *This, IWICBitmapSource *src)
 {
     HRESULT hr;
@@ -1478,7 +1459,7 @@ static HRESULT WINAPI OLEPictureImpl_Load(IPersistStream* iface, IStream *pStm)
     hr = OLEPictureImpl_LoadWICDecoder(This, &CLSID_WICJpegDecoder, xbuf, xread);
     break;
   case BITMAP_FORMAT_BMP: /* Bitmap */
-    hr = OLEPictureImpl_LoadDIB(This, xbuf, xread);
+    hr = OLEPictureImpl_LoadWICDecoder(This, &CLSID_WICBmpDecoder, xbuf, xread);
     break;
   case BITMAP_FORMAT_PNG: /* PNG */
     hr = OLEPictureImpl_LoadWICDecoder(This, &CLSID_WICPngDecoder, xbuf, xread);
diff --git a/dlls/oleaut32/tests/olepicture.c b/dlls/oleaut32/tests/olepicture.c
index fa7e8009cbd..a1c3ccf20c3 100644
--- a/dlls/oleaut32/tests/olepicture.c
+++ b/dlls/oleaut32/tests/olepicture.c
@@ -97,7 +97,7 @@ static const unsigned char pngimage[285] = {
 0xe7,0x00,0x00,0x00,0x00,0x49,0x45,0x4e,0x44,0xae,0x42,0x60,0x82
 };
 
-/* 1x1 pixel bmp */
+/* 1bpp BI_RGB 1x1 pixel bmp */
 static const unsigned char bmpimage[66] = {
 0x42,0x4d,0x42,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3e,0x00,0x00,0x00,0x28,0x00,
 0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x00,0x01,0x00,0x00,0x00,
@@ -106,6 +106,15 @@ static const unsigned char bmpimage[66] = {
 0x00,0x00
 };
 
+/* 8bpp BI_RLE8 1x1 pixel bmp */
+static const unsigned char bmpimage_rle8[] = {
+0x42,0x4d,0x42,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3e,0x00,0x00,0x00,0x28,0x00,
+0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x00,0x08,0x00,0x01,0x00,
+0x00,0x00,0x04,0x00,0x00,0x00,0x12,0x0b,0x00,0x00,0x12,0x0b,0x00,0x00,0x02,0x00,
+0x00,0x00,0x02,0x00,0x00,0x00,0xff,0xff,0xff,0x00,0xff,0xff,0xff,0x00,0x00,0x01,
+0x00,0x00
+};
+
 /* 2x2 pixel gif */
 static const unsigned char gif4pixel[42] = {
 0x47,0x49,0x46,0x38,0x37,0x61,0x02,0x00,0x02,0x00,0xa1,0x00,0x00,0x00,0x00,0x00,
@@ -1492,6 +1501,7 @@ START_TEST(olepicture)
     test_pic(gifimage, sizeof(gifimage));
     test_pic(jpgimage, sizeof(jpgimage));
     test_pic(bmpimage, sizeof(bmpimage));
+    test_pic(bmpimage_rle8, sizeof(bmpimage_rle8));
     test_pic(gif4pixel, sizeof(gif4pixel));
     /* FIXME: No PNG support in Windows... */
     if (0) test_pic(pngimage, sizeof(pngimage));
-- 
2.40.1