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engines/bagel/hodjnpodj/hnplibs/dibfile.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "common/memstream.h"
+#include "image/bmp.h"
+#include "bagel/hodjnpodj/hnplibs/stdafx.h"
+#include "bagel/hodjnpodj/hnplibs/dibapi.h"
+
+namespace Bagel {
+namespace HodjNPodj {
+
+HDIB ReadDIBFile(CFile &file) {
+	Image::BitmapDecoder decoder;
+	if (!decoder.loadStream(file))
+		return nullptr;
+
+	Graphics::ManagedSurface *surf =
+		new Graphics::ManagedSurface();
+	surf->copyFrom(*decoder.getSurface());
+
+	if (decoder.hasPalette()) {
+		// WORKAROUND: dfa/art/mallet.bmp has 257 palette entries.
+		// Other bitmaps may likewise.
+		const Graphics::Palette &pal = decoder.getPalette();
+		surf->setPalette(pal.data(), 0, MIN<int>(pal.size(), 256));
+	}
+
+	return surf;
+}
+
+HDIB ReadDIBResource(const char *pszName) {
+	Image::BitmapDecoder decoder;
+	HINSTANCE hInst = nullptr;
+	uint dwBytes;
+	HRSRC hRsc;
+	HGLOBAL hGbl;
+	byte *pData;
+
+	hRsc = FindResource(hInst, pszName, RT_BITMAP);
+	if (hRsc != nullptr) {
+		dwBytes = (size_t)SizeofResource(hInst, hRsc);
+		hGbl = LoadResource(hInst, hRsc);
+		if ((dwBytes != 0) &&
+			(hGbl != nullptr)) {
+			pData = (byte *)LockResource(hGbl);
+			Common::MemoryReadStream rs(pData, dwBytes);
+
+			bool success = decoder.loadStream(rs);
+
+			UnlockResource(hGbl);
+			FreeResource(hGbl);
+
+			if (success) {
+				Graphics::ManagedSurface *surf =
+					new Graphics::ManagedSurface();
+				surf->copyFrom(*decoder.getSurface());
+
+				if (decoder.hasPalette()) {
+					const Graphics::Palette &pal = decoder.getPalette();
+					surf->setPalette(pal.data(), 0, pal.size());
+				}
+
+				return surf;
+			}
+		}
+	}
+
+	return nullptr;
+}
+
+} // namespace HodjNPodj
+} // namespace Bagel