1 files changed, 88 insertions, 0 deletions
diff --git a/src/libs/graphics/drawable.h b/src/libs/graphics/drawable.h
new file mode 100644
index 0000000..98f5ada
--- /dev/null
+++ b/src/libs/graphics/drawable.h
@@ -0,0 +1,88 @@
+//Copyright Paul Reiche, Fred Ford. 1992-2002
+
+/*
+ *  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 2 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, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef LIBS_GRAPHICS_DRAWABLE_H_
+#define LIBS_GRAPHICS_DRAWABLE_H_
+
+#include <stdio.h>
+#include "tfb_draw.h"
+
+#define ValidPrimType(pt) ((pt)<NUM_PRIMS)
+
+typedef struct bresenham_line
+{
+	POINT first, second;
+	SIZE abs_delta_x, abs_delta_y;
+	SIZE error_term;
+	BOOLEAN end_points_exchanged;
+	INTERSECT_CODE intersect_code;
+} BRESENHAM_LINE;
+
+typedef UWORD DRAWABLE_TYPE;
+#define ROM_DRAWABLE 0
+#define RAM_DRAWABLE 1
+#define SCREEN_DRAWABLE 2
+
+struct frame_desc
+{
+	DRAWABLE_TYPE Type;
+	UWORD Index;
+	HOT_SPOT HotSpot;
+	EXTENT Bounds;
+	TFB_Image *image;
+	struct drawable_desc *parent;
+};
+
+struct drawable_desc
+{
+	CREATE_FLAGS Flags;
+	UWORD MaxIndex;
+	FRAME_DESC *Frame;
+};
+
+#define GetFrameWidth(f) ((f)->Bounds.width)
+#define GetFrameHeight(f) ((f)->Bounds.height)
+#define GetFrameBounds(f) ((f)->Bounds)
+#define SetFrameBounds(f,w,h) \
+		((f)->Bounds.width=(w), \
+		((f))->Bounds.height=(h))
+
+#define DRAWABLE_PRIORITY DEFAULT_MEM_PRIORITY
+
+extern DRAWABLE AllocDrawable (COUNT num_frames);
+#define FreeDrawable(D) _ReleaseCelData (D)
+
+typedef struct
+{
+	RECT Box;
+	FRAME FramePtr;
+} IMAGE_BOX;
+
+extern INTERSECT_CODE _clip_line (const RECT *pClipRect,
+		BRESENHAM_LINE *pLine);
+
+extern void *_GetCelData (uio_Stream *fp, DWORD length);
+extern BOOLEAN _ReleaseCelData (void *handle);
+
+extern FRAME _CurFramePtr;
+
+// ClipRect is relative to ctxOrigin
+extern void _text_blt (RECT *pClipRect, TEXT *TextPtr, POINT ctxOrigin);
+
+#endif /* LIBS_GRAPHICS_DRAWABLE_H_ */
+