From 7824fa044ac7d2db13af5873ce2e90365153e0be Mon Sep 17 00:00:00 2001 From: Cliff Click Date: Mon, 10 Aug 2026 11:11:18 -0700 Subject: Chapter 31: Software Drawing and Graphical Games Co-authored-by: Hsiang-Ying Fu <66062782+fuhsnn@users.noreply.github.com> Co-authored-by: fuhsnn <66062782+fuhsnn@users.noreply.github.com> Co-authored-by: Symious <14933944+symious@users.noreply.github.com> Co-authored-by: Jun Kawasaki Co-authored-by: Claude Opus 5 --- src/main/smp/sys/draw.smp | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 src/main/smp/sys/draw.smp (limited to 'src/main/smp/sys/draw.smp') diff --git a/src/main/smp/sys/draw.smp b/src/main/smp/sys/draw.smp new file mode 100644 index 00000000..0721659a --- /dev/null +++ b/src/main/smp/sys/draw.smp @@ -0,0 +1,17 @@ +// Software raster drawing. No window or native calls; pixels are packed RGB (0x00RRGGBB). +u32 BLACK = 0x000000; +u32 WHITE = 0xffffff; +u32 RED = 0xe05252; +u32 GREEN = 0x48b88c; +u32 BLUE = 0x558ee6; + +// Components are clamped to bytes rather than wrapping. +val rgb = { int r, int g, int b -> + r = r<0 ? 0 : r>255 ? 255 : r; + g = g<0 ? 0 : g>255 ? 255 : g; + b = b<0 ? 0 : b>255 ? 255 : b; + u32 color = (r<<16) | (g<<8) | b; + return color; +}; + +val Canvas = Canvas; // Pixel canvas and drawing methods -- cgit v1.2.3