Merge pull request #5471 from Tyriar/tyriar/5466_refactor
Refactor custom glyph to move into folder, split definition from raster
This commit is contained in:
Daniel Imms
File diff suppressed because it is too large
Load Diff
@@ -5,7 +5,7 @@
|
||||
|
||||
import { IColorContrastCache } from 'browser/Types';
|
||||
import { DIM_OPACITY, TEXT_BASELINE } from './Constants';
|
||||
import { tryDrawCustomChar } from './CustomGlyphs';
|
||||
import { tryDrawCustomGlyph } from './customGlyphs/CustomGlyphRasterizer';
|
||||
import { computeNextVariantOffset, treatGlyphAsBackgroundColor, isPowerlineGlyph, isRestrictedPowerlineGlyph, throwIfFalsy } from 'browser/renderer/shared/RendererUtils';
|
||||
import { IBoundingBox, ICharAtlasConfig, IRasterizedGlyph, ITextureAtlas } from './Types';
|
||||
import { NULL_COLOR, channels, color, rgba } from 'common/Color';
|
||||
@@ -514,7 +514,7 @@ export class TextureAtlas implements ITextureAtlas {
|
||||
// Draw custom characters if applicable
|
||||
let customGlyph = false;
|
||||
if (this._config.customGlyphs !== false) {
|
||||
customGlyph = tryDrawCustomChar(this._tmpCtx, chars, padding, padding, this._config.deviceCellWidth, this._config.deviceCellHeight, this._config.fontSize, this._config.devicePixelRatio);
|
||||
customGlyph = tryDrawCustomGlyph(this._tmpCtx, chars, padding, padding, this._config.deviceCellWidth, this._config.deviceCellHeight, this._config.fontSize, this._config.devicePixelRatio);
|
||||
}
|
||||
|
||||
// Whether to clear pixels based on a threshold difference between the glyph color and the
|
||||
|
||||
@@ -0,0 +1,589 @@
|
||||
/**
|
||||
* Copyright (c) 2021 The xterm.js authors. All rights reserved.
|
||||
* @license MIT
|
||||
*/
|
||||
|
||||
import { CustomGlyphVectorType, type CustomGlyphDrawFunctionDefinition, type CustomGlyphPatternDefinition, type ICustomGlyphSolidOctantBlockVector, type ICustomGlyphVectorShape } from 'customGlyphs/Types';
|
||||
|
||||
/* eslint-disable @typescript-eslint/naming-convention */
|
||||
|
||||
export const unifiedCharDefinitions: { [index: string]: ICustomGlyphVectorShape[] | undefined } = {
|
||||
};
|
||||
|
||||
export const blockElementDefinitions: { [index: string]: ICustomGlyphSolidOctantBlockVector[] | undefined } = {
|
||||
// Block elements (0x2580-0x2590)
|
||||
'▀': [{ x: 0, y: 0, w: 8, h: 4 }], // UPPER HALF BLOCK
|
||||
'▁': [{ x: 0, y: 7, w: 8, h: 1 }], // LOWER ONE EIGHTH BLOCK
|
||||
'▂': [{ x: 0, y: 6, w: 8, h: 2 }], // LOWER ONE QUARTER BLOCK
|
||||
'▃': [{ x: 0, y: 5, w: 8, h: 3 }], // LOWER THREE EIGHTHS BLOCK
|
||||
'▄': [{ x: 0, y: 4, w: 8, h: 4 }], // LOWER HALF BLOCK
|
||||
'▅': [{ x: 0, y: 3, w: 8, h: 5 }], // LOWER FIVE EIGHTHS BLOCK
|
||||
'▆': [{ x: 0, y: 2, w: 8, h: 6 }], // LOWER THREE QUARTERS BLOCK
|
||||
'▇': [{ x: 0, y: 1, w: 8, h: 7 }], // LOWER SEVEN EIGHTHS BLOCK
|
||||
'█': [{ x: 0, y: 0, w: 8, h: 8 }], // FULL BLOCK
|
||||
'▉': [{ x: 0, y: 0, w: 7, h: 8 }], // LEFT SEVEN EIGHTHS BLOCK
|
||||
'▊': [{ x: 0, y: 0, w: 6, h: 8 }], // LEFT THREE QUARTERS BLOCK
|
||||
'▋': [{ x: 0, y: 0, w: 5, h: 8 }], // LEFT FIVE EIGHTHS BLOCK
|
||||
'▌': [{ x: 0, y: 0, w: 4, h: 8 }], // LEFT HALF BLOCK
|
||||
'▍': [{ x: 0, y: 0, w: 3, h: 8 }], // LEFT THREE EIGHTHS BLOCK
|
||||
'▎': [{ x: 0, y: 0, w: 2, h: 8 }], // LEFT ONE QUARTER BLOCK
|
||||
'▏': [{ x: 0, y: 0, w: 1, h: 8 }], // LEFT ONE EIGHTH BLOCK
|
||||
'▐': [{ x: 4, y: 0, w: 4, h: 8 }], // RIGHT HALF BLOCK
|
||||
|
||||
// Block elements (0x2594-0x2595)
|
||||
'▔': [{ x: 0, y: 0, w: 8, h: 1 }], // UPPER ONE EIGHTH BLOCK
|
||||
'▕': [{ x: 7, y: 0, w: 1, h: 8 }], // RIGHT ONE EIGHTH BLOCK
|
||||
|
||||
// Terminal graphic characters (0x2596-0x259F)
|
||||
'▖': [{ x: 0, y: 4, w: 4, h: 4 }], // QUADRANT LOWER LEFT
|
||||
'▗': [{ x: 4, y: 4, w: 4, h: 4 }], // QUADRANT LOWER RIGHT
|
||||
'▘': [{ x: 0, y: 0, w: 4, h: 4 }], // QUADRANT UPPER LEFT
|
||||
'▙': [{ x: 0, y: 0, w: 4, h: 8 }, { x: 0, y: 4, w: 8, h: 4 }], // QUADRANT UPPER LEFT AND LOWER LEFT AND LOWER RIGHT
|
||||
'▚': [{ x: 0, y: 0, w: 4, h: 4 }, { x: 4, y: 4, w: 4, h: 4 }], // QUADRANT UPPER LEFT AND LOWER RIGHT
|
||||
'▛': [{ x: 0, y: 0, w: 4, h: 8 }, { x: 4, y: 0, w: 4, h: 4 }], // QUADRANT UPPER LEFT AND UPPER RIGHT AND LOWER LEFT
|
||||
'▜': [{ x: 0, y: 0, w: 8, h: 4 }, { x: 4, y: 0, w: 4, h: 8 }], // QUADRANT UPPER LEFT AND UPPER RIGHT AND LOWER RIGHT
|
||||
'▝': [{ x: 4, y: 0, w: 4, h: 4 }], // QUADRANT UPPER RIGHT
|
||||
'▞': [{ x: 4, y: 0, w: 4, h: 4 }, { x: 0, y: 4, w: 4, h: 4 }], // QUADRANT UPPER RIGHT AND LOWER LEFT
|
||||
'▟': [{ x: 4, y: 0, w: 4, h: 8 }, { x: 0, y: 4, w: 8, h: 4 }], // QUADRANT UPPER RIGHT AND LOWER LEFT AND LOWER RIGHT
|
||||
|
||||
// VERTICAL ONE EIGHTH BLOCK-2 through VERTICAL ONE EIGHTH BLOCK-7
|
||||
'\u{1FB70}': [{ x: 1, y: 0, w: 1, h: 8 }],
|
||||
'\u{1FB71}': [{ x: 2, y: 0, w: 1, h: 8 }],
|
||||
'\u{1FB72}': [{ x: 3, y: 0, w: 1, h: 8 }],
|
||||
'\u{1FB73}': [{ x: 4, y: 0, w: 1, h: 8 }],
|
||||
'\u{1FB74}': [{ x: 5, y: 0, w: 1, h: 8 }],
|
||||
'\u{1FB75}': [{ x: 6, y: 0, w: 1, h: 8 }],
|
||||
|
||||
// HORIZONTAL ONE EIGHTH BLOCK-2 through HORIZONTAL ONE EIGHTH BLOCK-7
|
||||
'\u{1FB76}': [{ x: 0, y: 1, w: 8, h: 1 }],
|
||||
'\u{1FB77}': [{ x: 0, y: 2, w: 8, h: 1 }],
|
||||
'\u{1FB78}': [{ x: 0, y: 3, w: 8, h: 1 }],
|
||||
'\u{1FB79}': [{ x: 0, y: 4, w: 8, h: 1 }],
|
||||
'\u{1FB7A}': [{ x: 0, y: 5, w: 8, h: 1 }],
|
||||
'\u{1FB7B}': [{ x: 0, y: 6, w: 8, h: 1 }],
|
||||
|
||||
// LEFT AND LOWER ONE EIGHTH BLOCK
|
||||
'\u{1FB7C}': [{ x: 0, y: 0, w: 1, h: 8 }, { x: 0, y: 7, w: 8, h: 1 }],
|
||||
// LEFT AND UPPER ONE EIGHTH BLOCK
|
||||
'\u{1FB7D}': [{ x: 0, y: 0, w: 1, h: 8 }, { x: 0, y: 0, w: 8, h: 1 }],
|
||||
// RIGHT AND UPPER ONE EIGHTH BLOCK
|
||||
'\u{1FB7E}': [{ x: 7, y: 0, w: 1, h: 8 }, { x: 0, y: 0, w: 8, h: 1 }],
|
||||
// RIGHT AND LOWER ONE EIGHTH BLOCK
|
||||
'\u{1FB7F}': [{ x: 7, y: 0, w: 1, h: 8 }, { x: 0, y: 7, w: 8, h: 1 }],
|
||||
// UPPER AND LOWER ONE EIGHTH BLOCK
|
||||
'\u{1FB80}': [{ x: 0, y: 0, w: 8, h: 1 }, { x: 0, y: 7, w: 8, h: 1 }],
|
||||
// HORIZONTAL ONE EIGHTH BLOCK-1358
|
||||
'\u{1FB81}': [{ x: 0, y: 0, w: 8, h: 1 }, { x: 0, y: 2, w: 8, h: 1 }, { x: 0, y: 4, w: 8, h: 1 }, { x: 0, y: 7, w: 8, h: 1 }],
|
||||
|
||||
// UPPER ONE QUARTER BLOCK
|
||||
'\u{1FB82}': [{ x: 0, y: 0, w: 8, h: 2 }],
|
||||
// UPPER THREE EIGHTHS BLOCK
|
||||
'\u{1FB83}': [{ x: 0, y: 0, w: 8, h: 3 }],
|
||||
// UPPER FIVE EIGHTHS BLOCK
|
||||
'\u{1FB84}': [{ x: 0, y: 0, w: 8, h: 5 }],
|
||||
// UPPER THREE QUARTERS BLOCK
|
||||
'\u{1FB85}': [{ x: 0, y: 0, w: 8, h: 6 }],
|
||||
// UPPER SEVEN EIGHTHS BLOCK
|
||||
'\u{1FB86}': [{ x: 0, y: 0, w: 8, h: 7 }],
|
||||
|
||||
// RIGHT ONE QUARTER BLOCK
|
||||
'\u{1FB87}': [{ x: 6, y: 0, w: 2, h: 8 }],
|
||||
// RIGHT THREE EIGHTHS B0OCK
|
||||
'\u{1FB88}': [{ x: 5, y: 0, w: 3, h: 8 }],
|
||||
// RIGHT FIVE EIGHTHS BL0CK
|
||||
'\u{1FB89}': [{ x: 3, y: 0, w: 5, h: 8 }],
|
||||
// RIGHT THREE QUARTERS 0LOCK
|
||||
'\u{1FB8A}': [{ x: 2, y: 0, w: 6, h: 8 }],
|
||||
// RIGHT SEVEN EIGHTHS B0OCK
|
||||
'\u{1FB8B}': [{ x: 1, y: 0, w: 7, h: 8 }],
|
||||
|
||||
// CHECKER BOARD FILL
|
||||
'\u{1FB95}': [
|
||||
{ x: 0, y: 0, w: 2, h: 2 }, { x: 4, y: 0, w: 2, h: 2 },
|
||||
{ x: 2, y: 2, w: 2, h: 2 }, { x: 6, y: 2, w: 2, h: 2 },
|
||||
{ x: 0, y: 4, w: 2, h: 2 }, { x: 4, y: 4, w: 2, h: 2 },
|
||||
{ x: 2, y: 6, w: 2, h: 2 }, { x: 6, y: 6, w: 2, h: 2 }
|
||||
],
|
||||
// INVERSE CHECKER BOARD FILL
|
||||
'\u{1FB96}': [
|
||||
{ x: 2, y: 0, w: 2, h: 2 }, { x: 6, y: 0, w: 2, h: 2 },
|
||||
{ x: 0, y: 2, w: 2, h: 2 }, { x: 4, y: 2, w: 2, h: 2 },
|
||||
{ x: 2, y: 4, w: 2, h: 2 }, { x: 6, y: 4, w: 2, h: 2 },
|
||||
{ x: 0, y: 6, w: 2, h: 2 }, { x: 4, y: 6, w: 2, h: 2 }
|
||||
],
|
||||
// HEAVY HORIZONTAL FILL (upper middle and lower one quarter block)
|
||||
'\u{1FB97}': [{ x: 0, y: 2, w: 8, h: 2 }, { x: 0, y: 6, w: 8, h: 2 }]
|
||||
};
|
||||
|
||||
/**
|
||||
* Generates a drawing function for sextant characters. Sextants are a 2x3 grid where each cell
|
||||
* can be on or off.
|
||||
* @param pattern A 6-bit pattern where bit 0 = top-left, bit 1 = top-right, bit 2 = middle-left,
|
||||
* bit 3 = middle-right, bit 4 = bottom-left, bit 5 = bottom-right
|
||||
*/
|
||||
function sextant(pattern: number): CustomGlyphDrawFunctionDefinition {
|
||||
return () => {
|
||||
// Sextant grid: 2 columns, 3 rows
|
||||
// Row heights in 8ths: top=3, middle=2, bottom=3
|
||||
// Column widths: left=4, right=4
|
||||
const rects: string[] = [];
|
||||
const colW = 0.5; // Each column is half width
|
||||
const rowH = [3 / 8, 2 / 8, 3 / 8]; // Row heights as fractions
|
||||
const rowY = [0, 3 / 8, 5 / 8]; // Row Y positions
|
||||
|
||||
for (let row = 0; row < 3; row++) {
|
||||
const leftBit = (pattern >> (row * 2)) & 1;
|
||||
const rightBit = (pattern >> (row * 2 + 1)) & 1;
|
||||
|
||||
if (leftBit && rightBit) {
|
||||
// Full row
|
||||
rects.push(`M0,${rowY[row]} L1,${rowY[row]} L1,${rowY[row] + rowH[row]} L0,${rowY[row] + rowH[row]} Z`);
|
||||
} else if (leftBit) {
|
||||
rects.push(`M0,${rowY[row]} L${colW},${rowY[row]} L${colW},${rowY[row] + rowH[row]} L0,${rowY[row] + rowH[row]} Z`);
|
||||
} else if (rightBit) {
|
||||
rects.push(`M${colW},${rowY[row]} L1,${rowY[row]} L1,${rowY[row] + rowH[row]} L${colW},${rowY[row] + rowH[row]} Z`);
|
||||
}
|
||||
}
|
||||
return rects.join(' ');
|
||||
};
|
||||
}
|
||||
|
||||
export const symbolsForLegacyComputingDefinitions: { [index: string]: CustomGlyphDrawFunctionDefinition | undefined } = {
|
||||
// Block sextants (0x1FB00-0x1FB3B)
|
||||
// Each sextant is a 2x3 grid of cells in an 8x8 block
|
||||
// Cell positions: bit 0=top-left, bit 1=top-right, bit 2=middle-left, bit 3=middle-right,
|
||||
// bit 4=bottom-left, bit 5=bottom-right
|
||||
// Patterns 0 (empty), 21 (left half), 42 (right half), 63 (full) are excluded as they exist
|
||||
// elsewhere
|
||||
'\u{1FB00}': sextant(0b000001), // BLOCK SEXTANT-1
|
||||
'\u{1FB01}': sextant(0b000010), // BLOCK SEXTANT-2
|
||||
'\u{1FB02}': sextant(0b000011), // BLOCK SEXTANT-12 (upper one third block)
|
||||
'\u{1FB03}': sextant(0b000100), // BLOCK SEXTANT-3
|
||||
'\u{1FB04}': sextant(0b000101), // BLOCK SEXTANT-13
|
||||
'\u{1FB05}': sextant(0b000110), // BLOCK SEXTANT-23
|
||||
'\u{1FB06}': sextant(0b000111), // BLOCK SEXTANT-123
|
||||
'\u{1FB07}': sextant(0b001000), // BLOCK SEXTANT-4
|
||||
'\u{1FB08}': sextant(0b001001), // BLOCK SEXTANT-14
|
||||
'\u{1FB09}': sextant(0b001010), // BLOCK SEXTANT-24
|
||||
'\u{1FB0A}': sextant(0b001011), // BLOCK SEXTANT-124
|
||||
'\u{1FB0B}': sextant(0b001100), // BLOCK SEXTANT-34 (middle one third block)
|
||||
'\u{1FB0C}': sextant(0b001101), // BLOCK SEXTANT-134
|
||||
'\u{1FB0D}': sextant(0b001110), // BLOCK SEXTANT-234
|
||||
'\u{1FB0E}': sextant(0b001111), // BLOCK SEXTANT-1234 (upper two thirds block)
|
||||
'\u{1FB0F}': sextant(0b010000), // BLOCK SEXTANT-5
|
||||
'\u{1FB10}': sextant(0b010001), // BLOCK SEXTANT-15
|
||||
'\u{1FB11}': sextant(0b010010), // BLOCK SEXTANT-25
|
||||
'\u{1FB12}': sextant(0b010011), // BLOCK SEXTANT-125
|
||||
'\u{1FB13}': sextant(0b010100), // BLOCK SEXTANT-35
|
||||
// Pattern 21 (0x15 = 0b010101) = left half block, skipped (exists as U+258C)
|
||||
'\u{1FB14}': sextant(0b010110), // BLOCK SEXTANT-235
|
||||
'\u{1FB15}': sextant(0b010111), // BLOCK SEXTANT-1235
|
||||
'\u{1FB16}': sextant(0b011000), // BLOCK SEXTANT-45
|
||||
'\u{1FB17}': sextant(0b011001), // BLOCK SEXTANT-145
|
||||
'\u{1FB18}': sextant(0b011010), // BLOCK SEXTANT-245
|
||||
'\u{1FB19}': sextant(0b011011), // BLOCK SEXTANT-1245
|
||||
'\u{1FB1A}': sextant(0b011100), // BLOCK SEXTANT-345
|
||||
'\u{1FB1B}': sextant(0b011101), // BLOCK SEXTANT-1345
|
||||
'\u{1FB1C}': sextant(0b011110), // BLOCK SEXTANT-2345
|
||||
'\u{1FB1D}': sextant(0b011111), // BLOCK SEXTANT-12345
|
||||
'\u{1FB1E}': sextant(0b100000), // BLOCK SEXTANT-6
|
||||
'\u{1FB1F}': sextant(0b100001), // BLOCK SEXTANT-16
|
||||
'\u{1FB20}': sextant(0b100010), // BLOCK SEXTANT-26
|
||||
'\u{1FB21}': sextant(0b100011), // BLOCK SEXTANT-126
|
||||
'\u{1FB22}': sextant(0b100100), // BLOCK SEXTANT-36
|
||||
'\u{1FB23}': sextant(0b100101), // BLOCK SEXTANT-136
|
||||
'\u{1FB24}': sextant(0b100110), // BLOCK SEXTANT-236
|
||||
'\u{1FB25}': sextant(0b100111), // BLOCK SEXTANT-1236
|
||||
'\u{1FB26}': sextant(0b101000), // BLOCK SEXTANT-46
|
||||
'\u{1FB27}': sextant(0b101001), // BLOCK SEXTANT-146
|
||||
// Pattern 42 (0x2A = 0b101010) = right half block, skipped (exists as U+2590)
|
||||
'\u{1FB28}': sextant(0b101011), // BLOCK SEXTANT-1246
|
||||
'\u{1FB29}': sextant(0b101100), // BLOCK SEXTANT-346
|
||||
'\u{1FB2A}': sextant(0b101101), // BLOCK SEXTANT-1346
|
||||
'\u{1FB2B}': sextant(0b101110), // BLOCK SEXTANT-2346
|
||||
'\u{1FB2C}': sextant(0b101111), // BLOCK SEXTANT-12346
|
||||
'\u{1FB2D}': sextant(0b110000), // BLOCK SEXTANT-56 (lower one third block)
|
||||
'\u{1FB2E}': sextant(0b110001), // BLOCK SEXTANT-156
|
||||
'\u{1FB2F}': sextant(0b110010), // BLOCK SEXTANT-256
|
||||
'\u{1FB30}': sextant(0b110011), // BLOCK SEXTANT-1256 (upper and lower one third block)
|
||||
'\u{1FB31}': sextant(0b110100), // BLOCK SEXTANT-356
|
||||
'\u{1FB32}': sextant(0b110101), // BLOCK SEXTANT-1356
|
||||
'\u{1FB33}': sextant(0b110110), // BLOCK SEXTANT-2356
|
||||
'\u{1FB34}': sextant(0b110111), // BLOCK SEXTANT-12356
|
||||
'\u{1FB35}': sextant(0b111000), // BLOCK SEXTANT-456
|
||||
'\u{1FB36}': sextant(0b111001), // BLOCK SEXTANT-1456
|
||||
'\u{1FB37}': sextant(0b111010), // BLOCK SEXTANT-2456
|
||||
'\u{1FB38}': sextant(0b111011), // BLOCK SEXTANT-12456
|
||||
'\u{1FB39}': sextant(0b111100), // BLOCK SEXTANT-3456 (lower two thirds block)
|
||||
'\u{1FB3A}': sextant(0b111101), // BLOCK SEXTANT-13456
|
||||
'\u{1FB3B}': sextant(0b111110), // BLOCK SEXTANT-23456
|
||||
// Pattern 63 (0x3F = 0b111111) = full block, skipped (exists as U+2588)
|
||||
|
||||
// Smooth mosaic terminal graphic characters (0x1FB3C-0x1FB6F)
|
||||
// These are triangular/diagonal shapes. "X BLOCK DIAGONAL A TO B" means the X region is filled,
|
||||
// with a diagonal edge from point A to point B.
|
||||
// Reference points: upper/lower = y (0/1), left/right = x (0/1), centre = x=0.5
|
||||
// Vertical uses sextant grid: upper-middle = y=1/3, lower-middle = y=2/3
|
||||
|
||||
// LOWER LEFT BLOCK variants (1FB3C-1FB40) - filled region in lower-left
|
||||
'\u{1FB3C}': () => `M0,${2/3} L0,1 L0.5,1 Z`, // LOWER LEFT BLOCK DIAGONAL LOWER MIDDLE LEFT TO LOWER CENTRE
|
||||
'\u{1FB3D}': () => `M0,${2/3} L0,1 L1,1 Z`, // LOWER LEFT BLOCK DIAGONAL LOWER MIDDLE LEFT TO LOWER RIGHT
|
||||
'\u{1FB3E}': () => `M0,${1/3} L0,1 L0.5,1 Z`, // LOWER LEFT BLOCK DIAGONAL UPPER MIDDLE LEFT TO LOWER CENTRE
|
||||
'\u{1FB3F}': () => `M0,${1/3} L0,1 L1,1 Z`, // LOWER LEFT BLOCK DIAGONAL UPPER MIDDLE LEFT TO LOWER RIGHT
|
||||
'\u{1FB40}': () => 'M0,0 L0,1 L0.5,1 Z', // LOWER LEFT BLOCK DIAGONAL UPPER LEFT TO LOWER CENTRE
|
||||
|
||||
// LOWER RIGHT BLOCK variants (1FB41-1FB4B) - filled region in lower-right
|
||||
'\u{1FB41}': () => `M0,${1/3} L0.5,0 L1,0 L1,1 L0,1 Z`, // LOWER RIGHT BLOCK DIAGONAL UPPER MIDDLE LEFT TO UPPER CENTRE
|
||||
'\u{1FB42}': () => `M0,${1/3} L1,0 L1,1 L0,1 Z`, // LOWER RIGHT BLOCK DIAGONAL UPPER MIDDLE LEFT TO UPPER RIGHT
|
||||
'\u{1FB43}': () => `M0,${2/3} L0.5,0 L1,0 L1,1 L0,1 Z`, // LOWER RIGHT BLOCK DIAGONAL LOWER MIDDLE LEFT TO UPPER CENTRE
|
||||
'\u{1FB44}': () => `M0,${2/3} L1,0 L1,1 L0,1 Z`, // LOWER RIGHT BLOCK DIAGONAL LOWER MIDDLE LEFT TO UPPER RIGHT
|
||||
'\u{1FB45}': () => 'M0,1 L0.5,0 L1,0 L1,1 Z', // LOWER RIGHT BLOCK DIAGONAL LOWER LEFT TO UPPER CENTRE
|
||||
'\u{1FB46}': () => `M0,${2/3} L1,${1/3} L1,1 L0,1 Z`, // LOWER RIGHT BLOCK DIAGONAL LOWER MIDDLE LEFT TO UPPER MIDDLE RIGHT
|
||||
'\u{1FB47}': () => `M0.5,1 L1,${2/3} L1,1 Z`, // LOWER RIGHT BLOCK DIAGONAL LOWER CENTRE TO LOWER MIDDLE RIGHT
|
||||
'\u{1FB48}': () => `M0,1 L1,${2/3} L1,1 Z`, // LOWER RIGHT BLOCK DIAGONAL LOWER LEFT TO LOWER MIDDLE RIGHT
|
||||
'\u{1FB49}': () => `M0.5,1 L1,${1/3} L1,1 Z`, // LOWER RIGHT BLOCK DIAGONAL LOWER CENTRE TO UPPER MIDDLE RIGHT
|
||||
'\u{1FB4A}': () => `M0,1 L1,${1/3} L1,1 Z`, // LOWER RIGHT BLOCK DIAGONAL LOWER LEFT TO UPPER MIDDLE RIGHT
|
||||
'\u{1FB4B}': () => 'M0.5,1 L1,0 L1,1 Z', // LOWER RIGHT BLOCK DIAGONAL LOWER CENTRE TO UPPER RIGHT
|
||||
|
||||
// LOWER LEFT BLOCK variants continued (1FB4C-1FB51) - large fills with upper-right cut
|
||||
'\u{1FB4C}': () => `M0.5,0 L0,0 L0,1 L1,1 L1,${1/3} Z`, // LOWER LEFT BLOCK DIAGONAL UPPER CENTRE TO UPPER MIDDLE RIGHT
|
||||
'\u{1FB4D}': () => `M0,0 L0,1 L1,1 L1,${1/3} Z`, // LOWER LEFT BLOCK DIAGONAL UPPER LEFT TO UPPER MIDDLE RIGHT
|
||||
'\u{1FB4E}': () => `M0.5,0 L0,0 L0,1 L1,1 L1,${2/3} Z`, // LOWER LEFT BLOCK DIAGONAL UPPER CENTRE TO LOWER MIDDLE RIGHT
|
||||
'\u{1FB4F}': () => `M0,0 L0,1 L1,1 L1,${2/3} Z`, // LOWER LEFT BLOCK DIAGONAL UPPER LEFT TO LOWER MIDDLE RIGHT
|
||||
'\u{1FB50}': () => 'M0.5,0 L0,0 L0,1 L1,1 Z', // LOWER LEFT BLOCK DIAGONAL UPPER CENTRE TO LOWER RIGHT
|
||||
'\u{1FB51}': () => `M0,${1/3} L0,1 L1,1 L1,${2/3} Z`, // LOWER LEFT BLOCK DIAGONAL UPPER MIDDLE LEFT TO LOWER MIDDLE RIGHT
|
||||
|
||||
// UPPER RIGHT BLOCK variants (1FB52-1FB56) - large fills with lower-left cut
|
||||
'\u{1FB52}': () => `M0,${2/3} L0.5,1 L1,1 L1,0 L0,0 Z`, // UPPER RIGHT BLOCK DIAGONAL LOWER MIDDLE LEFT TO LOWER CENTRE
|
||||
'\u{1FB53}': () => `M0,${2/3} L1,1 L1,0 L0,0 Z`, // UPPER RIGHT BLOCK DIAGONAL LOWER MIDDLE LEFT TO LOWER RIGHT
|
||||
'\u{1FB54}': () => `M0,${1/3} L0.5,1 L1,1 L1,0 L0,0 Z`, // UPPER RIGHT BLOCK DIAGONAL UPPER MIDDLE LEFT TO LOWER CENTRE
|
||||
'\u{1FB55}': () => `M0,${1/3} L1,1 L1,0 L0,0 Z`, // UPPER RIGHT BLOCK DIAGONAL UPPER MIDDLE LEFT TO LOWER RIGHT
|
||||
'\u{1FB56}': () => 'M0,0 L0.5,1 L1,1 L1,0 Z', // UPPER RIGHT BLOCK DIAGONAL UPPER LEFT TO LOWER CENTRE
|
||||
|
||||
// UPPER LEFT BLOCK variants (1FB57-1FB61) - small to large fills in upper-left
|
||||
'\u{1FB57}': () => `M0,${1/3} L0,0 L0.5,0 Z`, // UPPER LEFT BLOCK DIAGONAL UPPER MIDDLE LEFT TO UPPER CENTRE
|
||||
'\u{1FB58}': () => `M0,${1/3} L0,0 L1,0 Z`, // UPPER LEFT BLOCK DIAGONAL UPPER MIDDLE LEFT TO UPPER RIGHT
|
||||
'\u{1FB59}': () => `M0,${2/3} L0,0 L0.5,0 Z`, // UPPER LEFT BLOCK DIAGONAL LOWER MIDDLE LEFT TO UPPER CENTRE
|
||||
'\u{1FB5A}': () => `M0,${2/3} L0,0 L1,0 Z`, // UPPER LEFT BLOCK DIAGONAL LOWER MIDDLE LEFT TO UPPER RIGHT
|
||||
'\u{1FB5B}': () => 'M0,1 L0,0 L0.5,0 Z', // UPPER LEFT BLOCK DIAGONAL LOWER LEFT TO UPPER CENTRE
|
||||
'\u{1FB5C}': () => `M0,${2/3} L0,0 L1,0 L1,${1/3} Z`, // UPPER LEFT BLOCK DIAGONAL LOWER MIDDLE LEFT TO UPPER MIDDLE RIGHT
|
||||
'\u{1FB5D}': () => `M0.5,1 L0,1 L0,0 L1,0 L1,${2/3} Z`, // UPPER LEFT BLOCK DIAGONAL LOWER CENTRE TO LOWER MIDDLE RIGHT
|
||||
'\u{1FB5E}': () => `M0,1 L0,0 L1,0 L1,${2/3} Z`, // UPPER LEFT BLOCK DIAGONAL LOWER LEFT TO LOWER MIDDLE RIGHT
|
||||
'\u{1FB5F}': () => `M0.5,1 L0,1 L0,0 L1,0 L1,${1/3} Z`, // UPPER LEFT BLOCK DIAGONAL LOWER CENTRE TO UPPER MIDDLE RIGHT
|
||||
'\u{1FB60}': () => `M0,1 L0,0 L1,0 L1,${1/3} Z`, // UPPER LEFT BLOCK DIAGONAL LOWER LEFT TO UPPER MIDDLE RIGHT
|
||||
'\u{1FB61}': () => 'M0.5,1 L0,1 L0,0 L1,0 Z', // UPPER LEFT BLOCK DIAGONAL LOWER CENTRE TO UPPER RIGHT
|
||||
|
||||
// UPPER RIGHT BLOCK variants continued (1FB62-1FB67) - small to medium fills in upper-right
|
||||
'\u{1FB62}': () => `M0.5,0 L1,0 L1,${1/3} Z`, // UPPER RIGHT BLOCK DIAGONAL UPPER CENTRE TO UPPER MIDDLE RIGHT
|
||||
'\u{1FB63}': () => `M0,0 L1,0 L1,${1/3} Z`, // UPPER RIGHT BLOCK DIAGONAL UPPER LEFT TO UPPER MIDDLE RIGHT
|
||||
'\u{1FB64}': () => `M0.5,0 L1,0 L1,${2/3} Z`, // UPPER RIGHT BLOCK DIAGONAL UPPER CENTRE TO LOWER MIDDLE RIGHT
|
||||
'\u{1FB65}': () => `M0,0 L1,0 L1,${2/3} Z`, // UPPER RIGHT BLOCK DIAGONAL UPPER LEFT TO LOWER MIDDLE RIGHT
|
||||
'\u{1FB66}': () => 'M0.5,0 L1,0 L1,1 Z', // UPPER RIGHT BLOCK DIAGONAL UPPER CENTRE TO LOWER RIGHT
|
||||
'\u{1FB67}': () => `M0,${1/3} L1,${2/3} L1,0 L0,0 Z`, // UPPER RIGHT BLOCK DIAGONAL UPPER MIDDLE LEFT TO LOWER MIDDLE RIGHT
|
||||
|
||||
// Triangular blocks (1FB68-1FB6F)
|
||||
// Three-quarter blocks: full block minus one triangular quarter pointing to center
|
||||
'\u{1FB68}': () => 'M0,0 L1,0 L1,1 L0,1 L0.5,0.5 Z', // UPPER AND RIGHT AND LOWER TRIANGULAR THREE QUARTERS BLOCK (missing left)
|
||||
'\u{1FB69}': () => 'M0,0 L0.5,0.5 L1,0 L1,1 L0,1 Z', // LEFT AND LOWER AND RIGHT TRIANGULAR THREE QUARTERS BLOCK (missing upper)
|
||||
'\u{1FB6A}': () => 'M0,0 L1,0 L0.5,0.5 L1,1 L0,1 Z', // UPPER AND LEFT AND LOWER TRIANGULAR THREE QUARTERS BLOCK (missing right)
|
||||
'\u{1FB6B}': () => 'M0,0 L1,0 L1,1 L0.5,0.5 L0,1 Z', // LEFT AND UPPER AND RIGHT TRIANGULAR THREE QUARTERS BLOCK (missing lower)
|
||||
'\u{1FB6C}': () => 'M0,0 L0.5,0.5 L0,1 Z', // LEFT TRIANGULAR ONE QUARTER BLOCK
|
||||
'\u{1FB6D}': () => 'M0,0 L1,0 L0.5,0.5 Z', // UPPER TRIANGULAR ONE QUARTER BLOCK
|
||||
'\u{1FB6E}': () => 'M1,0 L1,1 L0.5,0.5 Z', // RIGHT TRIANGULAR ONE QUARTER BLOCK
|
||||
'\u{1FB6F}': () => 'M0,1 L1,1 L0.5,0.5 Z' // LOWER TRIANGULAR ONE QUARTER BLOCK
|
||||
};
|
||||
|
||||
/**
|
||||
* Rectangular shade characters - these use medium shade pattern (50%) like 0x2592.
|
||||
* Each entry is [pattern, region] where region is [x, y, width, height] in 0-1 normalized
|
||||
* coordinates. Pattern is the medium shade checkerboard pattern.
|
||||
*/
|
||||
const mediumShadePattern: CustomGlyphPatternDefinition = [
|
||||
[1, 0],
|
||||
[0, 1]
|
||||
];
|
||||
|
||||
const inverseMediumShadePattern: CustomGlyphPatternDefinition = [
|
||||
[0, 1],
|
||||
[1, 0]
|
||||
];
|
||||
|
||||
export const rectangularShadeDefinitions: { [index: string]: [CustomGlyphPatternDefinition, [number, number, number, number]] | undefined } = {
|
||||
'\u{1FB8C}': [mediumShadePattern, [0, 0, 0.5, 1]], // LEFT HALF MEDIUM SHADE
|
||||
'\u{1FB8D}': [mediumShadePattern, [0.5, 0, 0.5, 1]], // RIGHT HALF MEDIUM SHADE
|
||||
'\u{1FB8E}': [mediumShadePattern, [0, 0, 1, 0.5]], // UPPER HALF MEDIUM SHADE
|
||||
'\u{1FB8F}': [mediumShadePattern, [0, 0.5, 1, 0.5]], // LOWER HALF MEDIUM SHADE
|
||||
'\u{1FB90}': [inverseMediumShadePattern, [0, 0, 1, 1]] // INVERSE MEDIUM SHADE
|
||||
};
|
||||
|
||||
/** Region defined as [x, y, width, height] in 0-1 normalized coordinates. */
|
||||
type RegionDefinition = [number, number, number, number];
|
||||
|
||||
/** [solidRegion, shadeRegion] where shade region uses inverse medium shade pattern. */
|
||||
type BlockShadeComboDefinition = [RegionDefinition, RegionDefinition];
|
||||
|
||||
/**
|
||||
* Block + inverse shade combo characters.
|
||||
*/
|
||||
export const blockShadeComboDefinitions: { [index: string]: BlockShadeComboDefinition | undefined } = {
|
||||
'\u{1FB91}': [[0, 0, 1, 0.5], [0, 0.5, 1, 0.5]], // UPPER HALF BLOCK AND LOWER HALF INVERSE MEDIUM SHADE
|
||||
'\u{1FB92}': [[0, 0.5, 1, 0.5], [0, 0, 1, 0.5]], // UPPER HALF INVERSE MEDIUM SHADE AND LOWER HALF BLOCK
|
||||
// 1FB93 is reserved
|
||||
'\u{1FB94}': [[0.5, 0, 0.5, 1], [0, 0, 0.5, 1]] // LEFT HALF INVERSE MEDIUM SHADE AND RIGHT HALF BLOCK
|
||||
};
|
||||
|
||||
/**
|
||||
* Defines the repeating pattern used by special characters, the pattern is made up of a 2d array of
|
||||
* pixel values to be filled (1) or not filled (0).
|
||||
*/
|
||||
export const patternCharacterDefinitions: { [key: string]: CustomGlyphPatternDefinition | undefined } = {
|
||||
// Shade characters (0x2591-0x2593)
|
||||
'░': [ // LIGHT SHADE (25%)
|
||||
[1, 0],
|
||||
[0, 0]
|
||||
],
|
||||
'▒': [ // MEDIUM SHADE (50%)
|
||||
[1, 0],
|
||||
[0, 1]
|
||||
],
|
||||
'▓': [ // DARK SHADE (75%)
|
||||
[1, 1],
|
||||
[1, 0]
|
||||
]
|
||||
};
|
||||
|
||||
const enum Shapes {
|
||||
/** │ */ TOP_TO_BOTTOM = 'M.5,0 L.5,1',
|
||||
/** ─ */ LEFT_TO_RIGHT = 'M0,.5 L1,.5',
|
||||
|
||||
/** └ */ TOP_TO_RIGHT = 'M.5,0 L.5,.5 L1,.5',
|
||||
/** ┘ */ TOP_TO_LEFT = 'M.5,0 L.5,.5 L0,.5',
|
||||
/** ┐ */ LEFT_TO_BOTTOM = 'M0,.5 L.5,.5 L.5,1',
|
||||
/** ┌ */ RIGHT_TO_BOTTOM = 'M0.5,1 L.5,.5 L1,.5',
|
||||
|
||||
/** ╵ */ MIDDLE_TO_TOP = 'M.5,.5 L.5,0',
|
||||
/** ╴ */ MIDDLE_TO_LEFT = 'M.5,.5 L0,.5',
|
||||
/** ╶ */ MIDDLE_TO_RIGHT = 'M.5,.5 L1,.5',
|
||||
/** ╷ */ MIDDLE_TO_BOTTOM = 'M.5,.5 L.5,1',
|
||||
|
||||
/** ┴ */ T_TOP = 'M0,.5 L1,.5 M.5,.5 L.5,0',
|
||||
/** ┤ */ T_LEFT = 'M.5,0 L.5,1 M.5,.5 L0,.5',
|
||||
/** ├ */ T_RIGHT = 'M.5,0 L.5,1 M.5,.5 L1,.5',
|
||||
/** ┬ */ T_BOTTOM = 'M0,.5 L1,.5 M.5,.5 L.5,1',
|
||||
|
||||
/** ┼ */ CROSS = 'M0,.5 L1,.5 M.5,0 L.5,1',
|
||||
|
||||
/** ╌ */ TWO_DASHES_HORIZONTAL = 'M.1,.5 L.4,.5 M.6,.5 L.9,.5', // .2 empty, .3 filled
|
||||
/** ┄ */ THREE_DASHES_HORIZONTAL = 'M.0667,.5 L.2667,.5 M.4,.5 L.6,.5 M.7333,.5 L.9333,.5', // .1333 empty, .2 filled
|
||||
/** ┉ */ FOUR_DASHES_HORIZONTAL = 'M.05,.5 L.2,.5 M.3,.5 L.45,.5 M.55,.5 L.7,.5 M.8,.5 L.95,.5', // .1 empty, .15 filled
|
||||
/** ╎ */ TWO_DASHES_VERTICAL = 'M.5,.1 L.5,.4 M.5,.6 L.5,.9',
|
||||
/** ┆ */ THREE_DASHES_VERTICAL = 'M.5,.0667 L.5,.2667 M.5,.4 L.5,.6 M.5,.7333 L.5,.9333',
|
||||
/** ┊ */ FOUR_DASHES_VERTICAL = 'M.5,.05 L.5,.2 M.5,.3 L.5,.45 L.5,.55 M.5,.7 L.5,.95',
|
||||
}
|
||||
|
||||
const enum FontWeight {
|
||||
NORMAL = 1,
|
||||
BOLD = 3
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* This contains the definitions of all box drawing characters in the format of SVG paths (ie. the
|
||||
* svg d attribute).
|
||||
*/
|
||||
export const boxDrawingDefinitions: { [character: string]: { [fontWeight: number]: string | CustomGlyphDrawFunctionDefinition } | undefined } = {
|
||||
// U+2500-U+257F
|
||||
// https://www.unicode.org/charts/PDF/U2500.pdf
|
||||
|
||||
// Uniform normal and bold
|
||||
'─': { [FontWeight.NORMAL]: Shapes.LEFT_TO_RIGHT },
|
||||
'━': { [FontWeight.BOLD]: Shapes.LEFT_TO_RIGHT },
|
||||
'│': { [FontWeight.NORMAL]: Shapes.TOP_TO_BOTTOM },
|
||||
'┃': { [FontWeight.BOLD]: Shapes.TOP_TO_BOTTOM },
|
||||
'┌': { [FontWeight.NORMAL]: Shapes.RIGHT_TO_BOTTOM },
|
||||
'┏': { [FontWeight.BOLD]: Shapes.RIGHT_TO_BOTTOM },
|
||||
'┐': { [FontWeight.NORMAL]: Shapes.LEFT_TO_BOTTOM },
|
||||
'┓': { [FontWeight.BOLD]: Shapes.LEFT_TO_BOTTOM },
|
||||
'└': { [FontWeight.NORMAL]: Shapes.TOP_TO_RIGHT },
|
||||
'┗': { [FontWeight.BOLD]: Shapes.TOP_TO_RIGHT },
|
||||
'┘': { [FontWeight.NORMAL]: Shapes.TOP_TO_LEFT },
|
||||
'┛': { [FontWeight.BOLD]: Shapes.TOP_TO_LEFT },
|
||||
'├': { [FontWeight.NORMAL]: Shapes.T_RIGHT },
|
||||
'┣': { [FontWeight.BOLD]: Shapes.T_RIGHT },
|
||||
'┤': { [FontWeight.NORMAL]: Shapes.T_LEFT },
|
||||
'┫': { [FontWeight.BOLD]: Shapes.T_LEFT },
|
||||
'┬': { [FontWeight.NORMAL]: Shapes.T_BOTTOM },
|
||||
'┳': { [FontWeight.BOLD]: Shapes.T_BOTTOM },
|
||||
'┴': { [FontWeight.NORMAL]: Shapes.T_TOP },
|
||||
'┻': { [FontWeight.BOLD]: Shapes.T_TOP },
|
||||
'┼': { [FontWeight.NORMAL]: Shapes.CROSS },
|
||||
'╋': { [FontWeight.BOLD]: Shapes.CROSS },
|
||||
'╴': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_LEFT },
|
||||
'╸': { [FontWeight.BOLD]: Shapes.MIDDLE_TO_LEFT },
|
||||
'╵': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_TOP },
|
||||
'╹': { [FontWeight.BOLD]: Shapes.MIDDLE_TO_TOP },
|
||||
'╶': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_RIGHT },
|
||||
'╺': { [FontWeight.BOLD]: Shapes.MIDDLE_TO_RIGHT },
|
||||
'╷': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_BOTTOM },
|
||||
'╻': { [FontWeight.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
|
||||
|
||||
// Double border
|
||||
'═': { [FontWeight.NORMAL]: (xp, yp) => `M0,${.5 - yp} L1,${.5 - yp} M0,${.5 + yp} L1,${.5 + yp}` },
|
||||
'║': { [FontWeight.NORMAL]: (xp, yp) => `M${.5 - xp},0 L${.5 - xp},1 M${.5 + xp},0 L${.5 + xp},1` },
|
||||
'╒': { [FontWeight.NORMAL]: (xp, yp) => `M.5,1 L.5,${.5 - yp} L1,${.5 - yp} M.5,${.5 + yp} L1,${.5 + yp}` },
|
||||
'╓': { [FontWeight.NORMAL]: (xp, yp) => `M${.5 - xp},1 L${.5 - xp},.5 L1,.5 M${.5 + xp},.5 L${.5 + xp},1` },
|
||||
'╔': { [FontWeight.NORMAL]: (xp, yp) => `M1,${.5 - yp} L${.5 - xp},${.5 - yp} L${.5 - xp},1 M1,${.5 + yp} L${.5 + xp},${.5 + yp} L${.5 + xp},1` },
|
||||
'╕': { [FontWeight.NORMAL]: (xp, yp) => `M0,${.5 - yp} L.5,${.5 - yp} L.5,1 M0,${.5 + yp} L.5,${.5 + yp}` },
|
||||
'╖': { [FontWeight.NORMAL]: (xp, yp) => `M${.5 + xp},1 L${.5 + xp},.5 L0,.5 M${.5 - xp},.5 L${.5 - xp},1` },
|
||||
'╗': { [FontWeight.NORMAL]: (xp, yp) => `M0,${.5 + yp} L${.5 - xp},${.5 + yp} L${.5 - xp},1 M0,${.5 - yp} L${.5 + xp},${.5 - yp} L${.5 + xp},1` },
|
||||
'╘': { [FontWeight.NORMAL]: (xp, yp) => `M.5,0 L.5,${.5 + yp} L1,${.5 + yp} M.5,${.5 - yp} L1,${.5 - yp}` },
|
||||
'╙': { [FontWeight.NORMAL]: (xp, yp) => `M1,.5 L${.5 - xp},.5 L${.5 - xp},0 M${.5 + xp},.5 L${.5 + xp},0` },
|
||||
'╚': { [FontWeight.NORMAL]: (xp, yp) => `M1,${.5 - yp} L${.5 + xp},${.5 - yp} L${.5 + xp},0 M1,${.5 + yp} L${.5 - xp},${.5 + yp} L${.5 - xp},0` },
|
||||
'╛': { [FontWeight.NORMAL]: (xp, yp) => `M0,${.5 + yp} L.5,${.5 + yp} L.5,0 M0,${.5 - yp} L.5,${.5 - yp}` },
|
||||
'╜': { [FontWeight.NORMAL]: (xp, yp) => `M0,.5 L${.5 + xp},.5 L${.5 + xp},0 M${.5 - xp},.5 L${.5 - xp},0` },
|
||||
'╝': { [FontWeight.NORMAL]: (xp, yp) => `M0,${.5 - yp} L${.5 - xp},${.5 - yp} L${.5 - xp},0 M0,${.5 + yp} L${.5 + xp},${.5 + yp} L${.5 + xp},0` },
|
||||
'╞': { [FontWeight.NORMAL]: (xp, yp) => `${Shapes.TOP_TO_BOTTOM} M.5,${.5 - yp} L1,${.5 - yp} M.5,${.5 + yp} L1,${.5 + yp}` },
|
||||
'╟': { [FontWeight.NORMAL]: (xp, yp) => `M${.5 - xp},0 L${.5 - xp},1 M${.5 + xp},0 L${.5 + xp},1 M${.5 + xp},.5 L1,.5` },
|
||||
'╠': { [FontWeight.NORMAL]: (xp, yp) => `M${.5 - xp},0 L${.5 - xp},1 M1,${.5 + yp} L${.5 + xp},${.5 + yp} L${.5 + xp},1 M1,${.5 - yp} L${.5 + xp},${.5 - yp} L${.5 + xp},0` },
|
||||
'╡': { [FontWeight.NORMAL]: (xp, yp) => `${Shapes.TOP_TO_BOTTOM} M0,${.5 - yp} L.5,${.5 - yp} M0,${.5 + yp} L.5,${.5 + yp}` },
|
||||
'╢': { [FontWeight.NORMAL]: (xp, yp) => `M0,.5 L${.5 - xp},.5 M${.5 - xp},0 L${.5 - xp},1 M${.5 + xp},0 L${.5 + xp},1` },
|
||||
'╣': { [FontWeight.NORMAL]: (xp, yp) => `M${.5 + xp},0 L${.5 + xp},1 M0,${.5 + yp} L${.5 - xp},${.5 + yp} L${.5 - xp},1 M0,${.5 - yp} L${.5 - xp},${.5 - yp} L${.5 - xp},0` },
|
||||
'╤': { [FontWeight.NORMAL]: (xp, yp) => `M0,${.5 - yp} L1,${.5 - yp} M0,${.5 + yp} L1,${.5 + yp} M.5,${.5 + yp} L.5,1` },
|
||||
'╥': { [FontWeight.NORMAL]: (xp, yp) => `${Shapes.LEFT_TO_RIGHT} M${.5 - xp},.5 L${.5 - xp},1 M${.5 + xp},.5 L${.5 + xp},1` },
|
||||
'╦': { [FontWeight.NORMAL]: (xp, yp) => `M0,${.5 - yp} L1,${.5 - yp} M0,${.5 + yp} L${.5 - xp},${.5 + yp} L${.5 - xp},1 M1,${.5 + yp} L${.5 + xp},${.5 + yp} L${.5 + xp},1` },
|
||||
'╧': { [FontWeight.NORMAL]: (xp, yp) => `M.5,0 L.5,${.5 - yp} M0,${.5 - yp} L1,${.5 - yp} M0,${.5 + yp} L1,${.5 + yp}` },
|
||||
'╨': { [FontWeight.NORMAL]: (xp, yp) => `${Shapes.LEFT_TO_RIGHT} M${.5 - xp},.5 L${.5 - xp},0 M${.5 + xp},.5 L${.5 + xp},0` },
|
||||
'╩': { [FontWeight.NORMAL]: (xp, yp) => `M0,${.5 + yp} L1,${.5 + yp} M0,${.5 - yp} L${.5 - xp},${.5 - yp} L${.5 - xp},0 M1,${.5 - yp} L${.5 + xp},${.5 - yp} L${.5 + xp},0` },
|
||||
'╪': { [FontWeight.NORMAL]: (xp, yp) => `${Shapes.TOP_TO_BOTTOM} M0,${.5 - yp} L1,${.5 - yp} M0,${.5 + yp} L1,${.5 + yp}` },
|
||||
'╫': { [FontWeight.NORMAL]: (xp, yp) => `${Shapes.LEFT_TO_RIGHT} M${.5 - xp},0 L${.5 - xp},1 M${.5 + xp},0 L${.5 + xp},1` },
|
||||
'╬': { [FontWeight.NORMAL]: (xp, yp) => `M0,${.5 + yp} L${.5 - xp},${.5 + yp} L${.5 - xp},1 M1,${.5 + yp} L${.5 + xp},${.5 + yp} L${.5 + xp},1 M0,${.5 - yp} L${.5 - xp},${.5 - yp} L${.5 - xp},0 M1,${.5 - yp} L${.5 + xp},${.5 - yp} L${.5 + xp},0` },
|
||||
|
||||
// Diagonal
|
||||
'╱': { [FontWeight.NORMAL]: 'M1,0 L0,1' },
|
||||
'╲': { [FontWeight.NORMAL]: 'M0,0 L1,1' },
|
||||
'╳': { [FontWeight.NORMAL]: 'M1,0 L0,1 M0,0 L1,1' },
|
||||
|
||||
// Mixed weight
|
||||
'╼': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_LEFT, [FontWeight.BOLD]: Shapes.MIDDLE_TO_RIGHT },
|
||||
'╽': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_TOP, [FontWeight.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
|
||||
'╾': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_RIGHT, [FontWeight.BOLD]: Shapes.MIDDLE_TO_LEFT },
|
||||
'╿': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_BOTTOM, [FontWeight.BOLD]: Shapes.MIDDLE_TO_TOP },
|
||||
'┍': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_BOTTOM, [FontWeight.BOLD]: Shapes.MIDDLE_TO_RIGHT },
|
||||
'┎': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_RIGHT, [FontWeight.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
|
||||
'┑': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_BOTTOM, [FontWeight.BOLD]: Shapes.MIDDLE_TO_LEFT },
|
||||
'┒': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_LEFT, [FontWeight.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
|
||||
'┕': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_TOP, [FontWeight.BOLD]: Shapes.MIDDLE_TO_RIGHT },
|
||||
'┖': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_RIGHT, [FontWeight.BOLD]: Shapes.MIDDLE_TO_TOP },
|
||||
'┙': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_TOP, [FontWeight.BOLD]: Shapes.MIDDLE_TO_LEFT },
|
||||
'┚': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_LEFT, [FontWeight.BOLD]: Shapes.MIDDLE_TO_TOP },
|
||||
'┝': { [FontWeight.NORMAL]: Shapes.TOP_TO_BOTTOM, [FontWeight.BOLD]: Shapes.MIDDLE_TO_RIGHT },
|
||||
'┞': { [FontWeight.NORMAL]: Shapes.RIGHT_TO_BOTTOM, [FontWeight.BOLD]: Shapes.MIDDLE_TO_TOP },
|
||||
'┟': { [FontWeight.NORMAL]: Shapes.TOP_TO_RIGHT, [FontWeight.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
|
||||
'┠': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_RIGHT, [FontWeight.BOLD]: Shapes.TOP_TO_BOTTOM },
|
||||
'┡': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_BOTTOM, [FontWeight.BOLD]: Shapes.TOP_TO_RIGHT },
|
||||
'┢': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_TOP, [FontWeight.BOLD]: Shapes.RIGHT_TO_BOTTOM },
|
||||
'┥': { [FontWeight.NORMAL]: Shapes.TOP_TO_BOTTOM, [FontWeight.BOLD]: Shapes.MIDDLE_TO_LEFT },
|
||||
'┦': { [FontWeight.NORMAL]: Shapes.LEFT_TO_BOTTOM, [FontWeight.BOLD]: Shapes.MIDDLE_TO_TOP },
|
||||
'┧': { [FontWeight.NORMAL]: Shapes.TOP_TO_LEFT, [FontWeight.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
|
||||
'┨': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_LEFT, [FontWeight.BOLD]: Shapes.TOP_TO_BOTTOM },
|
||||
'┩': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_BOTTOM, [FontWeight.BOLD]: Shapes.TOP_TO_LEFT },
|
||||
'┪': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_TOP, [FontWeight.BOLD]: Shapes.LEFT_TO_BOTTOM },
|
||||
'┭': { [FontWeight.NORMAL]: Shapes.RIGHT_TO_BOTTOM, [FontWeight.BOLD]: Shapes.MIDDLE_TO_LEFT },
|
||||
'┮': { [FontWeight.NORMAL]: Shapes.LEFT_TO_BOTTOM, [FontWeight.BOLD]: Shapes.MIDDLE_TO_RIGHT },
|
||||
'┯': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_BOTTOM, [FontWeight.BOLD]: Shapes.LEFT_TO_RIGHT },
|
||||
'┰': { [FontWeight.NORMAL]: Shapes.LEFT_TO_RIGHT, [FontWeight.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
|
||||
'┱': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_RIGHT, [FontWeight.BOLD]: Shapes.LEFT_TO_BOTTOM },
|
||||
'┲': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_LEFT, [FontWeight.BOLD]: Shapes.RIGHT_TO_BOTTOM },
|
||||
'┵': { [FontWeight.NORMAL]: Shapes.TOP_TO_RIGHT, [FontWeight.BOLD]: Shapes.MIDDLE_TO_LEFT },
|
||||
'┶': { [FontWeight.NORMAL]: Shapes.TOP_TO_LEFT, [FontWeight.BOLD]: Shapes.MIDDLE_TO_RIGHT },
|
||||
'┷': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_TOP, [FontWeight.BOLD]: Shapes.LEFT_TO_RIGHT },
|
||||
'┸': { [FontWeight.NORMAL]: Shapes.LEFT_TO_RIGHT, [FontWeight.BOLD]: Shapes.MIDDLE_TO_TOP },
|
||||
'┹': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_RIGHT, [FontWeight.BOLD]: Shapes.TOP_TO_LEFT },
|
||||
'┺': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_LEFT, [FontWeight.BOLD]: Shapes.TOP_TO_RIGHT },
|
||||
'┽': { [FontWeight.NORMAL]: `${Shapes.TOP_TO_BOTTOM} ${Shapes.MIDDLE_TO_RIGHT}`, [FontWeight.BOLD]: Shapes.MIDDLE_TO_LEFT },
|
||||
'┾': { [FontWeight.NORMAL]: `${Shapes.TOP_TO_BOTTOM} ${Shapes.MIDDLE_TO_LEFT}`, [FontWeight.BOLD]: Shapes.MIDDLE_TO_RIGHT },
|
||||
'┿': { [FontWeight.NORMAL]: Shapes.TOP_TO_BOTTOM, [FontWeight.BOLD]: Shapes.LEFT_TO_RIGHT },
|
||||
'╀': { [FontWeight.NORMAL]: `${Shapes.LEFT_TO_RIGHT} ${Shapes.MIDDLE_TO_BOTTOM}`, [FontWeight.BOLD]: Shapes.MIDDLE_TO_TOP },
|
||||
'╁': { [FontWeight.NORMAL]: `${Shapes.MIDDLE_TO_TOP} ${Shapes.LEFT_TO_RIGHT}`, [FontWeight.BOLD]: Shapes.MIDDLE_TO_BOTTOM },
|
||||
'╂': { [FontWeight.NORMAL]: Shapes.LEFT_TO_RIGHT, [FontWeight.BOLD]: Shapes.TOP_TO_BOTTOM },
|
||||
'╃': { [FontWeight.NORMAL]: Shapes.RIGHT_TO_BOTTOM, [FontWeight.BOLD]: Shapes.TOP_TO_LEFT },
|
||||
'╄': { [FontWeight.NORMAL]: Shapes.LEFT_TO_BOTTOM, [FontWeight.BOLD]: Shapes.TOP_TO_RIGHT },
|
||||
'╅': { [FontWeight.NORMAL]: Shapes.TOP_TO_RIGHT, [FontWeight.BOLD]: Shapes.LEFT_TO_BOTTOM },
|
||||
'╆': { [FontWeight.NORMAL]: Shapes.TOP_TO_LEFT, [FontWeight.BOLD]: Shapes.RIGHT_TO_BOTTOM },
|
||||
'╇': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_BOTTOM, [FontWeight.BOLD]: `${Shapes.MIDDLE_TO_TOP} ${Shapes.LEFT_TO_RIGHT}` },
|
||||
'╈': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_TOP, [FontWeight.BOLD]: `${Shapes.LEFT_TO_RIGHT} ${Shapes.MIDDLE_TO_BOTTOM}` },
|
||||
'╉': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_RIGHT, [FontWeight.BOLD]: `${Shapes.TOP_TO_BOTTOM} ${Shapes.MIDDLE_TO_LEFT}` },
|
||||
'╊': { [FontWeight.NORMAL]: Shapes.MIDDLE_TO_LEFT, [FontWeight.BOLD]: `${Shapes.TOP_TO_BOTTOM} ${Shapes.MIDDLE_TO_RIGHT}` },
|
||||
|
||||
// Dashed
|
||||
'╌': { [FontWeight.NORMAL]: Shapes.TWO_DASHES_HORIZONTAL },
|
||||
'╍': { [FontWeight.BOLD]: Shapes.TWO_DASHES_HORIZONTAL },
|
||||
'┄': { [FontWeight.NORMAL]: Shapes.THREE_DASHES_HORIZONTAL },
|
||||
'┅': { [FontWeight.BOLD]: Shapes.THREE_DASHES_HORIZONTAL },
|
||||
'┈': { [FontWeight.NORMAL]: Shapes.FOUR_DASHES_HORIZONTAL },
|
||||
'┉': { [FontWeight.BOLD]: Shapes.FOUR_DASHES_HORIZONTAL },
|
||||
'╎': { [FontWeight.NORMAL]: Shapes.TWO_DASHES_VERTICAL },
|
||||
'╏': { [FontWeight.BOLD]: Shapes.TWO_DASHES_VERTICAL },
|
||||
'┆': { [FontWeight.NORMAL]: Shapes.THREE_DASHES_VERTICAL },
|
||||
'┇': { [FontWeight.BOLD]: Shapes.THREE_DASHES_VERTICAL },
|
||||
'┊': { [FontWeight.NORMAL]: Shapes.FOUR_DASHES_VERTICAL },
|
||||
'┋': { [FontWeight.BOLD]: Shapes.FOUR_DASHES_VERTICAL },
|
||||
|
||||
// Curved
|
||||
'╭': { [FontWeight.NORMAL]: (xp, yp) => `M.5,1 L.5,${.5 + (yp / .15 * .5)} C.5,${.5 + (yp / .15 * .5)},.5,.5,1,.5` },
|
||||
'╮': { [FontWeight.NORMAL]: (xp, yp) => `M.5,1 L.5,${.5 + (yp / .15 * .5)} C.5,${.5 + (yp / .15 * .5)},.5,.5,0,.5` },
|
||||
'╯': { [FontWeight.NORMAL]: (xp, yp) => `M.5,0 L.5,${.5 - (yp / .15 * .5)} C.5,${.5 - (yp / .15 * .5)},.5,.5,0,.5` },
|
||||
'╰': { [FontWeight.NORMAL]: (xp, yp) => `M.5,0 L.5,${.5 - (yp / .15 * .5)} C.5,${.5 - (yp / .15 * .5)},.5,.5,1,.5` }
|
||||
};
|
||||
|
||||
/**
|
||||
* This contains the definitions of the primarily used box drawing characters as vector shapes. The
|
||||
* reason these characters are defined specially is to avoid common problems if a user's font has
|
||||
* not been patched with powerline characters and also to get pixel perfect rendering as rendering
|
||||
* issues can occur around AA/SPAA.
|
||||
*
|
||||
* The line variants draw beyond the cell and get clipped to ensure the end of the line is not
|
||||
* visible.
|
||||
*
|
||||
* Original symbols defined in https://github.com/powerline/fontpatcher
|
||||
*/
|
||||
export const powerlineDefinitions: { [index: string]: ICustomGlyphVectorShape } = {
|
||||
// Git branch
|
||||
'\u{E0A0}': { d: 'M.3,1 L.03,1 L.03,.88 C.03,.82,.06,.78,.11,.73 C.15,.7,.2,.68,.28,.65 L.43,.6 C.49,.58,.53,.56,.56,.53 C.59,.5,.6,.47,.6,.43 L.6,.27 L.4,.27 L.69,.1 L.98,.27 L.78,.27 L.78,.46 C.78,.52,.76,.56,.72,.61 C.68,.66,.63,.67,.56,.7 L.48,.72 C.42,.74,.38,.76,.35,.78 C.32,.8,.31,.84,.31,.88 L.31,1 M.3,.5 L.03,.59 L.03,.09 L.3,.09 L.3,.655', type: CustomGlyphVectorType.FILL },
|
||||
// L N
|
||||
'\u{E0A1}': { d: 'M.7,.4 L.7,.47 L.2,.47 L.2,.03 L.355,.03 L.355,.4 L.705,.4 M.7,.5 L.86,.5 L.86,.95 L.69,.95 L.44,.66 L.46,.86 L.46,.95 L.3,.95 L.3,.49 L.46,.49 L.71,.78 L.69,.565 L.69,.5', type: CustomGlyphVectorType.FILL },
|
||||
// Lock
|
||||
'\u{E0A2}': { d: 'M.25,.94 C.16,.94,.11,.92,.11,.87 L.11,.53 C.11,.48,.15,.455,.23,.45 L.23,.3 C.23,.25,.26,.22,.31,.19 C.36,.16,.43,.15,.51,.15 C.59,.15,.66,.16,.71,.19 C.77,.22,.79,.26,.79,.3 L.79,.45 C.87,.45,.91,.48,.91,.53 L.91,.87 C.91,.92,.86,.94,.77,.94 L.24,.94 M.53,.2 C.49,.2,.45,.21,.42,.23 C.39,.25,.38,.27,.38,.3 L.38,.45 L.68,.45 L.68,.3 C.68,.27,.67,.25,.64,.23 C.61,.21,.58,.2,.53,.2 M.58,.82 L.58,.66 C.63,.65,.65,.63,.65,.6 C.65,.58,.64,.57,.61,.56 C.58,.55,.56,.54,.52,.54 C.48,.54,.46,.55,.43,.56 C.4,.57,.39,.59,.39,.6 C.39,.63,.41,.64,.46,.66 L.46,.82 L.57,.82', type: CustomGlyphVectorType.FILL },
|
||||
// Right triangle solid
|
||||
'\u{E0B0}': { d: 'M0,0 L1,.5 L0,1', type: CustomGlyphVectorType.FILL, rightPadding: 2 },
|
||||
// Right triangle line
|
||||
'\u{E0B1}': { d: 'M-1,-.5 L1,.5 L-1,1.5', type: CustomGlyphVectorType.STROKE, leftPadding: 1, rightPadding: 1 },
|
||||
// Left triangle solid
|
||||
'\u{E0B2}': { d: 'M1,0 L0,.5 L1,1', type: CustomGlyphVectorType.FILL, leftPadding: 2 },
|
||||
// Left triangle line
|
||||
'\u{E0B3}': { d: 'M2,-.5 L0,.5 L2,1.5', type: CustomGlyphVectorType.STROKE, leftPadding: 1, rightPadding: 1 },
|
||||
// Right semi-circle solid
|
||||
'\u{E0B4}': { d: 'M0,0 L0,1 C0.552,1,1,0.776,1,.5 C1,0.224,0.552,0,0,0', type: CustomGlyphVectorType.FILL, rightPadding: 1 },
|
||||
// Right semi-circle line
|
||||
'\u{E0B5}': { d: 'M.2,1 C.422,1,.8,.826,.78,.5 C.8,.174,0.422,0,.2,0', type: CustomGlyphVectorType.STROKE, rightPadding: 1 },
|
||||
// Left semi-circle solid
|
||||
'\u{E0B6}': { d: 'M1,0 L1,1 C0.448,1,0,0.776,0,.5 C0,0.224,0.448,0,1,0', type: CustomGlyphVectorType.FILL, leftPadding: 1 },
|
||||
// Left semi-circle line
|
||||
'\u{E0B7}': { d: 'M.8,1 C0.578,1,0.2,.826,.22,.5 C0.2,0.174,0.578,0,0.8,0', type: CustomGlyphVectorType.STROKE, leftPadding: 1 },
|
||||
// Lower left triangle
|
||||
'\u{E0B8}': { d: 'M-.5,-.5 L1.5,1.5 L-.5,1.5', type: CustomGlyphVectorType.FILL },
|
||||
// Backslash separator
|
||||
'\u{E0B9}': { d: 'M-.5,-.5 L1.5,1.5', type: CustomGlyphVectorType.STROKE, leftPadding: 1, rightPadding: 1 },
|
||||
// Lower right triangle
|
||||
'\u{E0BA}': { d: 'M1.5,-.5 L-.5,1.5 L1.5,1.5', type: CustomGlyphVectorType.FILL },
|
||||
// Upper left triangle
|
||||
'\u{E0BC}': { d: 'M1.5,-.5 L-.5,1.5 L-.5,-.5', type: CustomGlyphVectorType.FILL },
|
||||
// Forward slash separator
|
||||
'\u{E0BD}': { d: 'M1.5,-.5 L-.5,1.5', type: CustomGlyphVectorType.STROKE, leftPadding: 1, rightPadding: 1 },
|
||||
// Upper right triangle
|
||||
'\u{E0BE}': { d: 'M-.5,-.5 L1.5,1.5 L1.5,-.5', type: CustomGlyphVectorType.FILL }
|
||||
};
|
||||
// Forward slash separator redundant
|
||||
powerlineDefinitions['\u{E0BB}'] = powerlineDefinitions['\u{E0BD}'];
|
||||
// Backslash separator redundant
|
||||
powerlineDefinitions['\u{E0BF}'] = powerlineDefinitions['\u{E0B9}'];
|
||||
@@ -0,0 +1,430 @@
|
||||
/**
|
||||
* Copyright (c) 2021 The xterm.js authors. All rights reserved.
|
||||
* @license MIT
|
||||
*/
|
||||
|
||||
import { throwIfFalsy } from 'browser/renderer/shared/RendererUtils';
|
||||
import { blockElementDefinitions, blockShadeComboDefinitions, boxDrawingDefinitions, patternCharacterDefinitions, powerlineDefinitions, rectangularShadeDefinitions, symbolsForLegacyComputingDefinitions } from 'customGlyphs/CustomGlyphDefinitions';
|
||||
import { CustomGlyphVectorType, type CustomGlyphDrawFunctionDefinition, type CustomGlyphPatternDefinition, type ICustomGlyphSolidOctantBlockVector, type ICustomGlyphVectorShape } from 'customGlyphs/Types';
|
||||
|
||||
/**
|
||||
* Try drawing a custom block element or box drawing character, returning whether it was
|
||||
* successfully drawn.
|
||||
*/
|
||||
export function tryDrawCustomGlyph(
|
||||
ctx: CanvasRenderingContext2D,
|
||||
c: string,
|
||||
xOffset: number,
|
||||
yOffset: number,
|
||||
deviceCellWidth: number,
|
||||
deviceCellHeight: number,
|
||||
fontSize: number,
|
||||
devicePixelRatio: number
|
||||
): boolean {
|
||||
const blockElementDefinition = blockElementDefinitions[c];
|
||||
if (blockElementDefinition) {
|
||||
drawBlockVectorChar(ctx, blockElementDefinition, xOffset, yOffset, deviceCellWidth, deviceCellHeight);
|
||||
return true;
|
||||
}
|
||||
|
||||
const symbolsForLegacyComputingDefinition = symbolsForLegacyComputingDefinitions[c];
|
||||
if (symbolsForLegacyComputingDefinition) {
|
||||
drawPathDefinitionCharacter(ctx, symbolsForLegacyComputingDefinition, xOffset, yOffset, deviceCellWidth, deviceCellHeight);
|
||||
return true;
|
||||
}
|
||||
|
||||
const rectangularShadeDefinition = rectangularShadeDefinitions[c];
|
||||
if (rectangularShadeDefinition) {
|
||||
drawRectangularShadeChar(ctx, rectangularShadeDefinition, xOffset, yOffset, deviceCellWidth, deviceCellHeight);
|
||||
return true;
|
||||
}
|
||||
|
||||
const blockShadeComboDefinition = blockShadeComboDefinitions[c];
|
||||
if (blockShadeComboDefinition) {
|
||||
drawBlockShadeComboChar(ctx, blockShadeComboDefinition, xOffset, yOffset, deviceCellWidth, deviceCellHeight);
|
||||
return true;
|
||||
}
|
||||
|
||||
const patternDefinition = patternCharacterDefinitions[c];
|
||||
if (patternDefinition) {
|
||||
drawPatternChar(ctx, patternDefinition, xOffset, yOffset, deviceCellWidth, deviceCellHeight);
|
||||
return true;
|
||||
}
|
||||
|
||||
const boxDrawingDefinition = boxDrawingDefinitions[c];
|
||||
if (boxDrawingDefinition) {
|
||||
drawBoxDrawingChar(ctx, boxDrawingDefinition, xOffset, yOffset, deviceCellWidth, deviceCellHeight, devicePixelRatio);
|
||||
return true;
|
||||
}
|
||||
|
||||
const powerlineDefinition = powerlineDefinitions[c];
|
||||
if (powerlineDefinition) {
|
||||
drawPowerlineChar(ctx, powerlineDefinition, xOffset, yOffset, deviceCellWidth, deviceCellHeight, fontSize, devicePixelRatio);
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
function drawBlockVectorChar(
|
||||
ctx: CanvasRenderingContext2D,
|
||||
charDefinition: ICustomGlyphSolidOctantBlockVector[],
|
||||
xOffset: number,
|
||||
yOffset: number,
|
||||
deviceCellWidth: number,
|
||||
deviceCellHeight: number
|
||||
): void {
|
||||
for (let i = 0; i < charDefinition.length; i++) {
|
||||
const box = charDefinition[i];
|
||||
const xEighth = deviceCellWidth / 8;
|
||||
const yEighth = deviceCellHeight / 8;
|
||||
ctx.fillRect(
|
||||
xOffset + box.x * xEighth,
|
||||
yOffset + box.y * yEighth,
|
||||
box.w * xEighth,
|
||||
box.h * yEighth
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
function drawPathDefinitionCharacter(
|
||||
ctx: CanvasRenderingContext2D,
|
||||
charDefinition: CustomGlyphDrawFunctionDefinition,
|
||||
xOffset: number,
|
||||
yOffset: number,
|
||||
deviceCellWidth: number,
|
||||
deviceCellHeight: number
|
||||
): void {
|
||||
const instructions = charDefinition(0, 0);
|
||||
ctx.beginPath();
|
||||
for (const instruction of instructions.split(' ')) {
|
||||
const type = instruction[0];
|
||||
const args: string[] = instruction.substring(1).split(',');
|
||||
if (!args[0] || !args[1]) {
|
||||
if (type === 'Z') {
|
||||
ctx.closePath();
|
||||
}
|
||||
continue;
|
||||
}
|
||||
const translatedArgs = args.map((e, i) => {
|
||||
const val = parseFloat(e);
|
||||
return i % 2 === 0
|
||||
? xOffset + val * deviceCellWidth
|
||||
: yOffset + val * deviceCellHeight;
|
||||
});
|
||||
if (type === 'M') {
|
||||
ctx.moveTo(translatedArgs[0], translatedArgs[1]);
|
||||
} else if (type === 'L') {
|
||||
ctx.lineTo(translatedArgs[0], translatedArgs[1]);
|
||||
}
|
||||
}
|
||||
ctx.fill();
|
||||
}
|
||||
|
||||
const cachedPatterns: Map<CustomGlyphPatternDefinition, Map</* fillStyle */string, CanvasPattern>> = new Map();
|
||||
|
||||
function drawPatternChar(
|
||||
ctx: CanvasRenderingContext2D,
|
||||
charDefinition: number[][],
|
||||
xOffset: number,
|
||||
yOffset: number,
|
||||
deviceCellWidth: number,
|
||||
deviceCellHeight: number
|
||||
): void {
|
||||
let patternSet = cachedPatterns.get(charDefinition);
|
||||
if (!patternSet) {
|
||||
patternSet = new Map();
|
||||
cachedPatterns.set(charDefinition, patternSet);
|
||||
}
|
||||
const fillStyle = ctx.fillStyle;
|
||||
if (typeof fillStyle !== 'string') {
|
||||
throw new Error(`Unexpected fillStyle type "${fillStyle}"`);
|
||||
}
|
||||
let pattern = patternSet.get(fillStyle);
|
||||
if (!pattern) {
|
||||
const width = charDefinition[0].length;
|
||||
const height = charDefinition.length;
|
||||
const tmpCanvas = ctx.canvas.ownerDocument.createElement('canvas');
|
||||
tmpCanvas.width = width;
|
||||
tmpCanvas.height = height;
|
||||
const tmpCtx = throwIfFalsy(tmpCanvas.getContext('2d'));
|
||||
const imageData = new ImageData(width, height);
|
||||
|
||||
// Extract rgba from fillStyle
|
||||
let r: number;
|
||||
let g: number;
|
||||
let b: number;
|
||||
let a: number;
|
||||
if (fillStyle.startsWith('#')) {
|
||||
r = parseInt(fillStyle.slice(1, 3), 16);
|
||||
g = parseInt(fillStyle.slice(3, 5), 16);
|
||||
b = parseInt(fillStyle.slice(5, 7), 16);
|
||||
a = fillStyle.length > 7 && parseInt(fillStyle.slice(7, 9), 16) || 1;
|
||||
} else if (fillStyle.startsWith('rgba')) {
|
||||
([r, g, b, a] = fillStyle.substring(5, fillStyle.length - 1).split(',').map(e => parseFloat(e)));
|
||||
} else {
|
||||
throw new Error(`Unexpected fillStyle color format "${fillStyle}" when drawing pattern glyph`);
|
||||
}
|
||||
|
||||
for (let y = 0; y < height; y++) {
|
||||
for (let x = 0; x < width; x++) {
|
||||
imageData.data[(y * width + x) * 4 ] = r;
|
||||
imageData.data[(y * width + x) * 4 + 1] = g;
|
||||
imageData.data[(y * width + x) * 4 + 2] = b;
|
||||
imageData.data[(y * width + x) * 4 + 3] = charDefinition[y][x] * (a * 255);
|
||||
}
|
||||
}
|
||||
tmpCtx.putImageData(imageData, 0, 0);
|
||||
pattern = throwIfFalsy(ctx.createPattern(tmpCanvas, null));
|
||||
patternSet.set(fillStyle, pattern);
|
||||
}
|
||||
ctx.fillStyle = pattern;
|
||||
ctx.fillRect(xOffset, yOffset, deviceCellWidth, deviceCellHeight);
|
||||
}
|
||||
|
||||
/**
|
||||
* Draws rectangular shade characters - medium shade pattern clipped to a region.
|
||||
* Uses a checkerboard pattern that shifts 1px each row (same as medium shade U+2592).
|
||||
*/
|
||||
function drawRectangularShadeChar(
|
||||
ctx: CanvasRenderingContext2D,
|
||||
definition: [CustomGlyphPatternDefinition, [number, number, number, number]],
|
||||
xOffset: number,
|
||||
yOffset: number,
|
||||
deviceCellWidth: number,
|
||||
deviceCellHeight: number
|
||||
): void {
|
||||
const [pattern, region] = definition;
|
||||
const [rx, ry, rw, rh] = region;
|
||||
const regionX = Math.round(xOffset + rx * deviceCellWidth);
|
||||
const regionY = Math.round(yOffset + ry * deviceCellHeight);
|
||||
const regionW = Math.round(rw * deviceCellWidth);
|
||||
const regionH = Math.round(rh * deviceCellHeight);
|
||||
|
||||
// Save context state
|
||||
ctx.save();
|
||||
|
||||
// Clip to the region
|
||||
ctx.beginPath();
|
||||
ctx.rect(regionX, regionY, regionW, regionH);
|
||||
ctx.clip();
|
||||
|
||||
// Draw the pattern
|
||||
drawPatternChar(ctx, pattern, xOffset, yOffset, deviceCellWidth, deviceCellHeight);
|
||||
|
||||
// Restore context state
|
||||
ctx.restore();
|
||||
}
|
||||
|
||||
/**
|
||||
* Draws block + inverse shade combo characters.
|
||||
* Fills the solid region completely, then draws inverse medium shade in the shade region.
|
||||
*/
|
||||
function drawBlockShadeComboChar(
|
||||
ctx: CanvasRenderingContext2D,
|
||||
regions: [[number, number, number, number], [number, number, number, number]],
|
||||
xOffset: number,
|
||||
yOffset: number,
|
||||
deviceCellWidth: number,
|
||||
deviceCellHeight: number
|
||||
): void {
|
||||
const [solidRegion, shadeRegion] = regions;
|
||||
|
||||
// Draw solid block region
|
||||
const solidX = Math.round(xOffset + solidRegion[0] * deviceCellWidth);
|
||||
const solidY = Math.round(yOffset + solidRegion[1] * deviceCellHeight);
|
||||
const solidW = Math.round(solidRegion[2] * deviceCellWidth);
|
||||
const solidH = Math.round(solidRegion[3] * deviceCellHeight);
|
||||
ctx.fillRect(solidX, solidY, solidW, solidH);
|
||||
|
||||
// Draw inverse medium shade region
|
||||
const shadeX = Math.round(xOffset + shadeRegion[0] * deviceCellWidth);
|
||||
const shadeY = Math.round(yOffset + shadeRegion[1] * deviceCellHeight);
|
||||
const shadeW = Math.round(shadeRegion[2] * deviceCellWidth);
|
||||
const shadeH = Math.round(shadeRegion[3] * deviceCellHeight);
|
||||
|
||||
for (let py = 0; py < shadeH; py++) {
|
||||
const absY = shadeY + py - yOffset;
|
||||
for (let px = 0; px < shadeW; px++) {
|
||||
const absX = shadeX + px - xOffset;
|
||||
// Inverse checkerboard: fill at (x + y) % 2 === 1
|
||||
if (((absX + absY) % 2) === 1) {
|
||||
ctx.fillRect(shadeX + px, shadeY + py, 1, 1);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Draws the following box drawing characters by mapping a subset of SVG d attribute instructions to
|
||||
* canvas draw calls.
|
||||
*
|
||||
* Box styles: ┎┰┒┍┯┑╓╥╖╒╤╕ ┏┳┓┌┲┓┌┬┐┏┱┐
|
||||
* ┌─┬─┐ ┏━┳━┓ ╔═╦═╗ ┠╂┨┝┿┥╟╫╢╞╪╡ ┡╇┩├╊┫┢╈┪┣╉┤
|
||||
* │ │ │ ┃ ┃ ┃ ║ ║ ║ ┖┸┚┕┷┙╙╨╜╘╧╛ └┴┘└┺┛┗┻┛┗┹┘
|
||||
* ├─┼─┤ ┣━╋━┫ ╠═╬═╣ ┏┱┐┌┲┓┌┬┐┌┬┐ ┏┳┓┌┮┓┌┬┐┏┭┐
|
||||
* │ │ │ ┃ ┃ ┃ ║ ║ ║ ┡╃┤├╄┩├╆┪┢╅┤ ┞╀┦├┾┫┟╁┧┣┽┤
|
||||
* └─┴─┘ ┗━┻━┛ ╚═╩═╝ └┴┘└┴┘└┺┛┗┹┘ └┴┘└┶┛┗┻┛┗┵┘
|
||||
*
|
||||
* Other:
|
||||
* ╭─╮ ╲ ╱ ╷╻╎╏┆┇┊┋ ╺╾╴ ╌╌╌ ┄┄┄ ┈┈┈
|
||||
* │ │ ╳ ╽╿╎╏┆┇┊┋ ╶╼╸ ╍╍╍ ┅┅┅ ┉┉┉
|
||||
* ╰─╯ ╱ ╲ ╹╵╎╏┆┇┊┋
|
||||
*
|
||||
* All box drawing characters:
|
||||
* ─ ━ │ ┃ ┄ ┅ ┆ ┇ ┈ ┉ ┊ ┋ ┌ ┍ ┎ ┏
|
||||
* ┐ ┑ ┒ ┓ └ ┕ ┖ ┗ ┘ ┙ ┚ ┛ ├ ┝ ┞ ┟
|
||||
* ┠ ┡ ┢ ┣ ┤ ┥ ┦ ┧ ┨ ┩ ┪ ┫ ┬ ┭ ┮ ┯
|
||||
* ┰ ┱ ┲ ┳ ┴ ┵ ┶ ┷ ┸ ┹ ┺ ┻ ┼ ┽ ┾ ┿
|
||||
* ╀ ╁ ╂ ╃ ╄ ╅ ╆ ╇ ╈ ╉ ╊ ╋ ╌ ╍ ╎ ╏
|
||||
* ═ ║ ╒ ╓ ╔ ╕ ╖ ╗ ╘ ╙ ╚ ╛ ╜ ╝ ╞ ╟
|
||||
* ╠ ╡ ╢ ╣ ╤ ╥ ╦ ╧ ╨ ╩ ╪ ╫ ╬ ╭ ╮ ╯
|
||||
* ╰ ╱ ╲ ╳ ╴ ╵ ╶ ╷ ╸ ╹ ╺ ╻ ╼ ╽ ╾ ╿
|
||||
*
|
||||
* ---
|
||||
*
|
||||
* Box drawing alignment tests: █
|
||||
* ▉
|
||||
* ╔══╦══╗ ┌──┬──┐ ╭──┬──╮ ╭──┬──╮ ┏━━┳━━┓ ┎┒┏┑ ╷ ╻ ┏┯┓ ┌┰┐ ▊ ╱╲╱╲╳╳╳
|
||||
* ║┌─╨─┐║ │╔═╧═╗│ │╒═╪═╕│ │╓─╁─╖│ ┃┌─╂─┐┃ ┗╃╄┙ ╶┼╴╺╋╸┠┼┨ ┝╋┥ ▋ ╲╱╲╱╳╳╳
|
||||
* ║│╲ ╱│║ │║ ║│ ││ │ ││ │║ ┃ ║│ ┃│ ╿ │┃ ┍╅╆┓ ╵ ╹ ┗┷┛ └┸┘ ▌ ╱╲╱╲╳╳╳
|
||||
* ╠╡ ╳ ╞╣ ├╢ ╟┤ ├┼─┼─┼┤ ├╫─╂─╫┤ ┣┿╾┼╼┿┫ ┕┛┖┚ ┌┄┄┐ ╎ ┏┅┅┓ ┋ ▍ ╲╱╲╱╳╳╳
|
||||
* ║│╱ ╲│║ │║ ║│ ││ │ ││ │║ ┃ ║│ ┃│ ╽ │┃ ░░▒▒▓▓██ ┊ ┆ ╎ ╏ ┇ ┋ ▎
|
||||
* ║└─╥─┘║ │╚═╤═╝│ │╘═╪═╛│ │╙─╀─╜│ ┃└─╂─┘┃ ░░▒▒▓▓██ ┊ ┆ ╎ ╏ ┇ ┋ ▏
|
||||
* ╚══╩══╝ └──┴──┘ ╰──┴──╯ ╰──┴──╯ ┗━━┻━━┛ └╌╌┘ ╎ ┗╍╍┛ ┋ ▁▂▃▄▅▆▇█
|
||||
*
|
||||
* Source: https://www.w3.org/2001/06/utf-8-test/UTF-8-demo.html
|
||||
*/
|
||||
function drawBoxDrawingChar(
|
||||
ctx: CanvasRenderingContext2D,
|
||||
charDefinition: { [fontWeight: number]: string | ((xp: number, yp: number) => string) },
|
||||
xOffset: number,
|
||||
yOffset: number,
|
||||
deviceCellWidth: number,
|
||||
deviceCellHeight: number,
|
||||
devicePixelRatio: number
|
||||
): void {
|
||||
ctx.strokeStyle = ctx.fillStyle;
|
||||
for (const [fontWeight, instructions] of Object.entries(charDefinition)) {
|
||||
ctx.beginPath();
|
||||
ctx.lineWidth = devicePixelRatio * Number.parseInt(fontWeight);
|
||||
let actualInstructions: string;
|
||||
if (typeof instructions === 'function') {
|
||||
const xp = .15;
|
||||
const yp = .15 / deviceCellHeight * deviceCellWidth;
|
||||
actualInstructions = instructions(xp, yp);
|
||||
} else {
|
||||
actualInstructions = instructions;
|
||||
}
|
||||
for (const instruction of actualInstructions.split(' ')) {
|
||||
const type = instruction[0];
|
||||
const f = svgToCanvasInstructionMap[type];
|
||||
if (!f) {
|
||||
console.error(`Could not find drawing instructions for "${type}"`);
|
||||
continue;
|
||||
}
|
||||
const args: string[] = instruction.substring(1).split(',');
|
||||
if (!args[0] || !args[1]) {
|
||||
continue;
|
||||
}
|
||||
f(ctx, translateArgs(args, deviceCellWidth, deviceCellHeight, xOffset, yOffset, true, devicePixelRatio));
|
||||
}
|
||||
ctx.stroke();
|
||||
ctx.closePath();
|
||||
}
|
||||
}
|
||||
|
||||
function drawPowerlineChar(
|
||||
ctx: CanvasRenderingContext2D,
|
||||
charDefinition: ICustomGlyphVectorShape,
|
||||
xOffset: number,
|
||||
yOffset: number,
|
||||
deviceCellWidth: number,
|
||||
deviceCellHeight: number,
|
||||
fontSize: number,
|
||||
devicePixelRatio: number
|
||||
): void {
|
||||
// Clip the cell to make sure drawing doesn't occur beyond bounds
|
||||
const clipRegion = new Path2D();
|
||||
clipRegion.rect(xOffset, yOffset, deviceCellWidth, deviceCellHeight);
|
||||
ctx.clip(clipRegion);
|
||||
|
||||
ctx.beginPath();
|
||||
// Scale the stroke with DPR and font size
|
||||
const cssLineWidth = fontSize / 12;
|
||||
ctx.lineWidth = devicePixelRatio * cssLineWidth;
|
||||
for (const instruction of charDefinition.d.split(' ')) {
|
||||
const type = instruction[0];
|
||||
const f = svgToCanvasInstructionMap[type];
|
||||
if (!f) {
|
||||
console.error(`Could not find drawing instructions for "${type}"`);
|
||||
continue;
|
||||
}
|
||||
const args: string[] = instruction.substring(1).split(',');
|
||||
if (!args[0] || !args[1]) {
|
||||
continue;
|
||||
}
|
||||
f(ctx, translateArgs(
|
||||
args,
|
||||
deviceCellWidth,
|
||||
deviceCellHeight,
|
||||
xOffset,
|
||||
yOffset,
|
||||
false,
|
||||
devicePixelRatio,
|
||||
(charDefinition.leftPadding ?? 0) * (cssLineWidth / 2),
|
||||
(charDefinition.rightPadding ?? 0) * (cssLineWidth / 2)
|
||||
));
|
||||
}
|
||||
if (charDefinition.type === CustomGlyphVectorType.STROKE) {
|
||||
ctx.strokeStyle = ctx.fillStyle;
|
||||
ctx.stroke();
|
||||
} else {
|
||||
ctx.fill();
|
||||
}
|
||||
ctx.closePath();
|
||||
}
|
||||
|
||||
function clamp(value: number, max: number, min: number = 0): number {
|
||||
return Math.max(Math.min(value, max), min);
|
||||
}
|
||||
|
||||
const svgToCanvasInstructionMap: { [index: string]: any } = {
|
||||
'C': (ctx: CanvasRenderingContext2D, args: number[]) => ctx.bezierCurveTo(args[0], args[1], args[2], args[3], args[4], args[5]),
|
||||
'L': (ctx: CanvasRenderingContext2D, args: number[]) => ctx.lineTo(args[0], args[1]),
|
||||
'M': (ctx: CanvasRenderingContext2D, args: number[]) => ctx.moveTo(args[0], args[1])
|
||||
};
|
||||
|
||||
function translateArgs(args: string[], cellWidth: number, cellHeight: number, xOffset: number, yOffset: number, doClamp: boolean, devicePixelRatio: number, leftPadding: number = 0, rightPadding: number = 0): number[] {
|
||||
const result = args.map(e => parseFloat(e) || parseInt(e));
|
||||
|
||||
if (result.length < 2) {
|
||||
throw new Error('Too few arguments for instruction');
|
||||
}
|
||||
|
||||
for (let x = 0; x < result.length; x += 2) {
|
||||
// Translate from 0-1 to 0-cellWidth
|
||||
result[x] *= cellWidth - (leftPadding * devicePixelRatio) - (rightPadding * devicePixelRatio);
|
||||
// Ensure coordinate doesn't escape cell bounds and round to the nearest 0.5 to ensure a crisp
|
||||
// line at 100% devicePixelRatio
|
||||
if (doClamp && result[x] !== 0) {
|
||||
result[x] = clamp(Math.round(result[x] + 0.5) - 0.5, cellWidth, 0);
|
||||
}
|
||||
// Apply the cell's offset (ie. x*cellWidth)
|
||||
result[x] += xOffset + (leftPadding * devicePixelRatio);
|
||||
}
|
||||
|
||||
for (let y = 1; y < result.length; y += 2) {
|
||||
// Translate from 0-1 to 0-cellHeight
|
||||
result[y] *= cellHeight;
|
||||
// Ensure coordinate doesn't escape cell bounds and round to the nearest 0.5 to ensure a crisp
|
||||
// line at 100% devicePixelRatio
|
||||
if (doClamp && result[y] !== 0) {
|
||||
result[y] = clamp(Math.round(result[y] + 0.5) - 0.5, cellHeight, 0);
|
||||
}
|
||||
// Apply the cell's offset (ie. x*cellHeight)
|
||||
result[y] += yOffset;
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
@@ -0,0 +1,31 @@
|
||||
/**
|
||||
* Copyright (c) 2021 The xterm.js authors. All rights reserved.
|
||||
* @license MIT
|
||||
*/
|
||||
|
||||
export interface ICustomGlyphSolidOctantBlockVector {
|
||||
x: number;
|
||||
y: number;
|
||||
w: number;
|
||||
h: number;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param xp The percentage of 15% of the x axis.
|
||||
* @param yp The percentage of 15% of the x axis on the y axis.
|
||||
*/
|
||||
export type CustomGlyphDrawFunctionDefinition = (xp: number, yp: number) => string;
|
||||
|
||||
export interface ICustomGlyphVectorShape {
|
||||
d: string;
|
||||
type: CustomGlyphVectorType;
|
||||
leftPadding?: number;
|
||||
rightPadding?: number;
|
||||
}
|
||||
|
||||
export const enum CustomGlyphVectorType {
|
||||
FILL,
|
||||
STROKE
|
||||
}
|
||||
|
||||
export type CustomGlyphPatternDefinition = number[][];
|
||||
Reference in New Issue
Block a user