RenderWithImager.mesa
Last Edited by: Crow, August 17, 1987 1:00:05 pm PDT
DIRECTORY
Rope     USING [ ROPE ],
ThreeDBasics  USING [ Context, ContextProc, ImagerProc, Pair, PairSequence, Pixel, RGB, Triple,
         Patch, PatchProc ];
RenderWithImager: CEDAR DEFINITIONS
~ BEGIN
Types
Context: TYPE ~ ThreeDBasics.Context;
ContextProc: TYPE ~ ThreeDBasics.ContextProc;
Pair: TYPE ~ ThreeDBasics.Pair;
PairSequence: TYPE ~ ThreeDBasics.PairSequence;
Triple: TYPE ~ ThreeDBasics.Triple;
RGB: TYPE ~ ThreeDBasics.RGB;
Pixel: TYPE ~ ThreeDBasics.Pixel;
Patch: TYPE ~ ThreeDBasics.Patch;
PatchProc: TYPE ~ ThreeDBasics.PatchProc;
Procedures for updating viewers
ClearViewPort: ContextProc;
Fills viewport with background color
Low-level drawing
Imager2DLine: PROC[ context: REF Context, p1, p2: Pair, color: Pixel];
Draw a line using the imager
Imager2DPoly: PROC[ context: REF Context, poly: REF PairSequence, color: Pixel];
Draw a constant shade polygon using the imager
ImagerPolygon: PatchProc;
Draw a constant shade polygon using the imager
Draw2DRope: PROC[context: REF Context, rope: Rope.ROPE, position: Pair,
      color: Pixel ← [255,255,128,0,0], size: REAL ← 20, font: Rope.ROPE ← NIL];
Put a string of characters on the screen
DrawThroughViewer: PROC[ context: REF Context, drawProc: ThreeDBasics.ImagerProc ];
Draws into imager context through viewers
Frame Generation and Animation
MakeInterpressPage: PROC[ context: REF Context, fileName: Rope.ROPE ];
END.