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Color Graphics
Squeak's BitBlt has been retrofitted with support for variable-depth color and many performance enhancements. It has several added functions including a paint mode that supports transparency, and an alpha-blend mode for 32-bit color. It also has a "warp-drive" variant that will scale, rotate, and otherwise deform bitmaps in a single pass. Interested users will want to try
Display restoreAfter: [WarpBlt test1], and Display restoreAfter: [WarpBlt test3].
The warp drive is also capable of limited anti-aliasing. You can compare the results by executing
Display restoreAfter: [WarpBlt test12].
Two other demos of possible interest (see comments) are
Display restoreAfter: [BitBlt alphaBlendDemo] , and Display restoreAfter: [BitBlt antiAliasDemo].
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