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engines/ags/engine/ac/sprite.h

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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/>.
+ *
+ */
+
+#ifndef AGS_ENGINE_AC_SPRITE_H
+#define AGS_ENGINE_AC_SPRITE_H
+
+#include "ags/shared/ac/sprite_cache.h"
+#include "ags/shared/gfx/bitmap.h"
+
+namespace AGS3 {
+
+// Converts from 32-bit RGBA image, to a 15/16/24-bit destination image,
+// replacing more than half-translucent alpha pixels with transparency mask pixels.
+Shared::Bitmap *remove_alpha_channel(Shared::Bitmap *from);
+Size get_new_size_for_sprite(const Size &size, const uint32_t sprite_flags);
+// Initializes a loaded sprite for use in the game, adjusts the sprite flags.
+// Returns a resulting bitmap, which may be a new or old bitmap; or null on failure.
+// Original bitmap **gets deleted** if a new bitmap had to be created,
+// or if failed to properly initialize one.
+Shared::Bitmap *initialize_sprite(Shared::sprkey_t index, Shared::Bitmap *image, uint32_t &sprite_flags);
+void post_init_sprite(Shared::sprkey_t index);
+
+} // namespace AGS3
+
+#endif