base

2026-08-07 17:38:18 +09:00
commit 873193a243
9613 changed files with 2755992 additions and 0 deletions
@@ -0,0 +1,32 @@
+// dibpal.cpp
+//
+
+#include "stdafx.h"
+#include "dib256.h"
+#include "dibpal.h"
+
+CBmpPalette::CBmpPalette( CDIBitmap* pBmp )
+{
+    ASSERT( pBmp );
+    int cPaletteEntries = pBmp->GetPalEntries();
+    int cPalette = sizeof(LOGPALETTE) +
+                   sizeof(PALETTEENTRY) * cPaletteEntries;
+    // Since the LOGPALETTE structure is open-ended, you
+    // must dynamically allocate it, rather than using one
+    // off the stack.
+    LOGPALETTE* pPal = (LOGPALETTE*)new BYTE[cPalette];
+    RGBQUAD*    pColorTab = pBmp->GetColorTablePtr();
+    pPal->palVersion = 0x300;
+    pPal->palNumEntries = cPaletteEntries;
+    // Roll through the color table, and add each color to
+    // the logical palette.
+    for( int ndx = 0; ndx < cPaletteEntries; ndx++ )
+    {
+        pPal->palPalEntry[ndx].peRed   = pColorTab[ndx].rgbRed;
+        pPal->palPalEntry[ndx].peGreen = pColorTab[ndx].rgbGreen;
+        pPal->palPalEntry[ndx].peBlue  = pColorTab[ndx].rgbBlue;
+        pPal->palPalEntry[ndx].peFlags = NULL;
+    }
+    VERIFY( CreatePalette( pPal ) );
+    delete [] (BYTE*)pPal;
+}