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| -rw-r--r-- | renderproto.txt | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/renderproto.txt b/renderproto.txt index 908b4f9..5aee795 100644 --- a/renderproto.txt +++ b/renderproto.txt @@ -1059,6 +1059,32 @@ CompositeGlyphs32 for each glyph Combine (op, dst, source, glyph) +CreateCursor + + cid: CURSOR + source: PICTURE + x, y: CARD16 + + Errors: Alloc, IDChoice, Match, Picture + + This request creates a cursor and associates identifier cid with it. + The x and y coordinates define the hotspot relative to the source's + origin and must be a point within the source (or a Match error + results). The resulting picture will nominally be drawn to the + screen with PictOpOver. + + The components of the cursor may be transformed arbitrarily to meet + display limitations. In particular, if the display supports only + two colors cursors without translucency, the cursor will be + transformed so that areas less than .5 alpha will be transparent, + else opaque, and areas darker than 50% gray will be black else white. + + The source picture can be freed immediately if no further explicit + references to them are to be made. + + Subsequent drawing in the source has an undefined effect on the + cursor. The server might or might not make a copy of the picture. + 14. Extension Versioning The Render extension was developed in parallel with the implementation to @@ -1093,3 +1119,6 @@ what each version before 1.0 implemented: Triangles TriStrip TriFan + + 0.5: + CreateCursor |