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Diffstat (limited to 'kscurses/modes.jai')
| -rw-r--r-- | kscurses/modes.jai | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/kscurses/modes.jai b/kscurses/modes.jai new file mode 100644 index 0000000..8c167e0 --- /dev/null +++ b/kscurses/modes.jai @@ -0,0 +1,179 @@ +MAX_ATTRS :: 7; +Graphics_Mode :: struct { + foreground : Color; + background : Color; + attr_flags : enum_flags u8 { + F_BOLD :: 0x1; + F_DIM :: 0x2; + F_ITALIC :: 0x4; + F_UNDERLINE :: 0x8; + F_BLINKING :: 0x10; + F_INVERSE :: 0x20; + F_STRIKETHROUGH :: 0x40; + } + // attrs : [MAX_ATTRS]bool; + // 0 - bold (on/off/keep) + // 1 - dim/faint + // 2 - italic + // 3 - underline + // 4 - blinking + // 5 - inverse + // 6 - strikethrough + fcol256 : u8; + bcol256 : u8; +} +Color :: enum u8 { + RESET :: 0; + DEFAULT :: 39; + COLOR256 :: 38; + + BLACK :: 30; + RED :: 31; + GREEN :: 32; + YELLOW :: 33; + BLUE :: 34; + MAGENTA :: 35; + CYAN :: 36; + WHITE :: 37; + + BRIGHT_BLACK :: 90; + BRIGHT_RED :: 91; + BRIGHT_GREEN :: 92; + BRIGHT_YELLOW :: 93; + BRIGHT_BLUE :: 94; + BRIGHT_MAGENTA :: 95; + BRIGHT_CYAN :: 96; + BRIGHT_WHITE :: 97; +} +Attr :: enum u8 { + BOLD :: 1; + DIM :: 2; + ITALIC :: 3; + UNDERLINE :: 4; + BLINKING :: 5; + INVERSE :: 7; + STRIKETHROUGH :: 9; + + BOLD_AND_DIM_OFF :: 22; + ITALIC_OFF :: 23; + UNDERLINE_OFF :: 24; + BLINKING_OFF :: 25; + INVERSE_OFF :: 27; + STRIKETHROUGH_OFF :: 29; +} + +make_graphics_mode :: (foreground := Color.DEFAULT, background := Color.DEFAULT, bold := false, dim := false, italic := false, underline := false, blinking := false, inverse := false, strikethrough := false, fcol256 :u8= 0, bcol256 :u8= 0) -> Graphics_Mode { + result : Graphics_Mode; + + result.foreground = foreground; + result.background = xx (background + 10); + + if bold result.attr_flags |= .F_BOLD; + if dim result.attr_flags |= .F_DIM; + if italic result.attr_flags |= .F_ITALIC; + if underline result.attr_flags |= .F_UNDERLINE; + if blinking result.attr_flags |= .F_BLINKING; + if inverse result.attr_flags |= .F_INVERSE; + if strikethrough result.attr_flags |= .F_STRIKETHROUGH; + //======== + + // result.attrs[0] = bold; + // result.attrs[1] = dim; + // result.attrs[2] = italic; + // result.attrs[3] = underline; + // result.attrs[4] = blinking; + // result.attrs[5] = inverse; + // result.attrs[6] = strikethrough; + result.fcol256 = fcol256; + result.bcol256 = bcol256; + + return result; +} + +Char :: struct { + code : u32; + #place code; + codes : [4]u8 = ---; + mode : Graphics_Mode; +} +make_char :: (code : u32, foreground := Color.DEFAULT, background := Color.DEFAULT, bold := false, dim := false, italic := false, underline := false, blinking := false, inverse := false, strikethrough := false, fcol256 :u8= 0, bcol256 :u8= 0) -> Char { + return .{code = code, mode = make_graphics_mode(foreground, background, bold, dim, italic, underline, blinking, inverse, strikethrough, fcol256, bcol256)}; +} +length :: inline (c : Char) -> u8 { + return length_code(c.code); +} +operator== :: (c1 : Char, c2 : Char) -> bool { + return c1.code == c2.code && c1.mode == c2.mode; +} +operator== :: (m1 : Graphics_Mode, m2 : Graphics_Mode) -> bool { + if m1.foreground != m2.foreground return false; + if m1.background != m2.background return false; + if m1.fcol256 != m2.fcol256 return false; + if m1.bcol256 != m2.bcol256 return false; + if m1.attr_flags != m2.attr_flags return false; + return true; +} + +find_best_char :: (p : Vector3, use_mix : bool) -> Char { + cast_255 :: (x : float) -> s32 { + return clamp(cast(s32)(x * 255 + .5), 0, 255); + } + return find_best_char(ivec3.{cast_255(p.x), cast_255(p.y), cast_255(p.z)}, use_mix); +} +find_best_char :: (p : u8vec3, use_mix : bool) -> Char { + return find_best_char(cast_vec(s32, p), use_mix); +} +find_best_char :: (_p : ivec3, use_mix : bool) -> Char { + p := _p; + to_6level :: (x : s32) -> u8, s32 { + a := u8.[ + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 3, + 3, 3, 3, 3, 3, 3, 3, 3, + 3, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 5, 5, 5, 5, 5, + ][clamp(x, 0, 255) >> 2]; + return a, s32.[0, 87, 135, 175, 215, 255][a]; + } + + to_6level :: (v : ivec3) -> u8vec3, ivec3, dist:int { + i : u8vec3; + h : ivec3; + i.x, h.x = to_6level(v.x); + i.y, h.y = to_6level(v.y); + i.z, h.z = to_6level(v.z); + w := v - h; + return i, h, w.x * w.x + w.y * w.y + w.z * w.z; + } + col_code :: (v : u8vec3) -> u8 { return 16 + 36 * v.x + 6 * v.y + v.z; } + + b_6, b_256 := to_6level(p); + code_00, code_25, code_50, code_75 := #run utf8(" "), #run utf8("░"), #run utf8("▒"), #run utf8("▓"); + + result := make_char( + code_00, + foreground = .COLOR256, + background = .COLOR256, + bcol256 = col_code(b_6) + ); + + if use_mix { + f_6_25, f_256_25, dist_25 := to_6level(p * 4 - b_256 * 3); + f_6_50, f_256_50, dist_50 := to_6level(p * 2 - b_256); + f_6_75, f_256_75, dist_75 := to_6level((p * 4 - b_256) / 3); + + + if dist_25 > dist_50 then f_6_25, code_25, dist_25 = f_6_50, code_50, dist_50; + if dist_25 > dist_75 then f_6_25, code_25, dist_25 = f_6_75, code_75, dist_75; + + result.code = code_25; + result.mode.fcol256 = col_code(f_6_25); + } + return result; +} + +#scope_file +#import "Math";
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