Piotr Caban : wineps: Fix color handling in PSDRV_WriteDIBPatternDict.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 38e06bfbe343abd8227dd2be227325290c77e42b
URL:    https://gitlab.winehq.org/wine/wine/-/commit/38e06bfbe343abd8227dd2be2273252...

Author: Piotr Caban 
Date:   Thu Dec  7 11:42:22 2023 +0100

wineps: Fix color handling in PSDRV_WriteDIBPatternDict.

---

dlls/wineps.drv/ps.c | 30 ++++++++++++++++++++++++++++--
 1 file changed, 28 insertions(+), 2 deletions(-)

diff --git a/dlls/wineps.drv/ps.c b/dlls/wineps.drv/ps.c
index 2a3da737c81..03c92aa00f0 100644
--- a/dlls/wineps.drv/ps.c
+++ b/dlls/wineps.drv/ps.c
@@ -1002,8 +1002,34 @@ BOOL PSDRV_WriteDIBPatternDict(print_ctx *ctx, const BITMAPINFO *bmi, BYTE *bits
     PSDRV_WriteSpool(ctx, "def\n", 4);

PSDRV_WriteIndexColorSpaceBegin(ctx, 1);
-    map[0] = GetTextColor( ctx->hdc );
-    map[1] = GetBkColor( ctx->hdc );
+    if (usage == DIB_RGB_COLORS)
+    {
+        map[0] = RGB( bmi->bmiColors[0].rgbRed, bmi->bmiColors[0].rgbGreen,
+                bmi->bmiColors[0].rgbBlue );
+        map[1] = RGB( bmi->bmiColors[1].rgbRed, bmi->bmiColors[1].rgbGreen,
+                bmi->bmiColors[1].rgbBlue );
+    }
+    else if (usage == DIB_PAL_COLORS)
+    {
+        HPALETTE hpal = GetCurrentObject( ctx->hdc, OBJ_PAL );
+        PALETTEENTRY pal[2];
+
+        memset(pal, 0, sizeof(pal));
+        if (hpal) GetPaletteEntries(hpal, 0, 2, pal);
+
+        map[0] = RGB(pal[0].peRed, pal[0].peGreen, pal[0].peBlue);
+        map[1] = RGB(pal[1].peRed, pal[1].peGreen, pal[1].peBlue);
+    }
+    else if (usage == 2 /* DIB_PAL_INDICES */)
+    {
+        map[0] = GetTextColor( ctx->hdc );
+        map[1] = GetBkColor( ctx->hdc );
+    }
+    else
+    {
+        FIXME("wrong usage: %d\n", usage);
+        return FALSE;
+    }
     PSDRV_WriteRGB(ctx, map, 2);
     PSDRV_WriteIndexColorSpaceEnd(ctx);