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disable alpha for CT_COLORKEY

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Vincent Wei
2020-03-21 15:39:49 +08:00
parent f8bd1a67bc
commit 151400eac0
1 changed files with 4 additions and 0 deletions
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src/kernel/compsor-fallback.c
+4
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@@ -300,6 +300,8 @@ static void composite_wallpaper_rect (CompositorCtxt* ctxt,
RECT eff_rc;
if (IntersectRect (&eff_rc, dirty_rc, &rc)) {
SelectClipRect (HDC_SCREEN_SYS, &eff_rc);
SetMemDCColorKey (HDC_SCREEN, 0, 0);
SetMemDCAlpha (HDC_SCREEN, 0, 0);
BitBlt (HDC_SCREEN, 0, 0, RECTW (rc), RECTH (rc),
HDC_SCREEN_SYS, rc.left, rc.top, 0);
}
@@ -423,6 +425,7 @@ static void composite_all_lucent_win_znodes_above (CompositorCtxt* ctxt,
switch (znode_hdr->ct & CT_SYSTEM_MASK) {
case CT_COLORKEY:
SetMemDCAlpha (znode_hdr->mem_dc, 0, 0);
SetMemDCColorKey (znode_hdr->mem_dc,
MEMDC_FLAG_SRCCOLORKEY,
DWORD2Pixel (znode_hdr->mem_dc, znode_hdr->ct_arg));
@@ -439,6 +442,7 @@ static void composite_all_lucent_win_znodes_above (CompositorCtxt* ctxt,
break;
case CT_ALPHAPIXEL:
SetMemDCColorKey (znode_hdr->mem_dc, 0, 0);
SetMemDCAlpha (znode_hdr->mem_dc,
MEMDC_FLAG_SRCPIXELALPHA, 0);
break;