t* st + patches and config
URI git clone git://git.codevoid.de/st-sdk
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DIR LICENSE
---
DIR commit e8cf1d91c222a21ecd22a244b96aad3ae9132cac
DIR parent 9ff63b5658193fbd8be5d78135d1c42dd6ca5866
URI Author: c0dev0id <sh+github[at]codevoid[dot]de>
Date: Tue, 1 Dec 2020 20:53:46 +0100
delete boxdraw
Diffstat:
D boxdraw.c | 194 ------------------------------
D boxdraw_data.h | 214 -------------------------------
2 files changed, 0 insertions(+), 408 deletions(-)
---
DIR diff --git a/boxdraw.c b/boxdraw.c
t@@ -1,194 +0,0 @@
-/*
- * Copyright 2018 Avi Halachmi (:avih) avihpit@yahoo.com https://github.com/avih
- * MIT/X Consortium License
- */
-
-#include <X11/Xft/Xft.h>
-#include "st.h"
-#include "boxdraw_data.h"
-
-/* Rounded non-negative integers division of n / d */
-#define DIV(n, d) (((n) + (d) / 2) / (d))
-
-static Display *xdpy;
-static Colormap xcmap;
-static XftDraw *xd;
-static Visual *xvis;
-
-static void drawbox(int, int, int, int, XftColor *, XftColor *, ushort);
-static void drawboxlines(int, int, int, int, XftColor *, ushort);
-
-/* public API */
-
-void
-boxdraw_xinit(Display *dpy, Colormap cmap, XftDraw *draw, Visual *vis)
-{
- xdpy = dpy; xcmap = cmap; xd = draw, xvis = vis;
-}
-
-int
-isboxdraw(Rune u)
-{
- Rune block = u & ~0xff;
- return (boxdraw && block == 0x2500 && boxdata[(uint8_t)u]) ||
- (boxdraw_braille && block == 0x2800);
-}
-
-/* the "index" is actually the entire shape data encoded as ushort */
-ushort
-boxdrawindex(const Glyph *g)
-{
- if (boxdraw_braille && (g->u & ~0xff) == 0x2800)
- return BRL | (uint8_t)g->u;
- if (boxdraw_bold && (g->mode & ATTR_BOLD))
- return BDB | boxdata[(uint8_t)g->u];
- return boxdata[(uint8_t)g->u];
-}
-
-void
-drawboxes(int x, int y, int cw, int ch, XftColor *fg, XftColor *bg,
- const XftGlyphFontSpec *specs, int len)
-{
- for ( ; len-- > 0; x += cw, specs++)
- drawbox(x, y, cw, ch, fg, bg, (ushort)specs->glyph);
-}
-
-/* implementation */
-
-void
-drawbox(int x, int y, int w, int h, XftColor *fg, XftColor *bg, ushort bd)
-{
- ushort cat = bd & ~(BDB | 0xff); /* mask out bold and data */
- if (bd & (BDL | BDA)) {
- /* lines (light/double/heavy/arcs) */
- drawboxlines(x, y, w, h, fg, bd);
-
- } else if (cat == BBD) {
- /* lower (8-X)/8 block */
- int d = DIV((uint8_t)bd * h, 8);
- XftDrawRect(xd, fg, x, y + d, w, h - d);
-
- } else if (cat == BBU) {
- /* upper X/8 block */
- XftDrawRect(xd, fg, x, y, w, DIV((uint8_t)bd * h, 8));
-
- } else if (cat == BBL) {
- /* left X/8 block */
- XftDrawRect(xd, fg, x, y, DIV((uint8_t)bd * w, 8), h);
-
- } else if (cat == BBR) {
- /* right (8-X)/8 block */
- int d = DIV((uint8_t)bd * w, 8);
- XftDrawRect(xd, fg, x + d, y, w - d, h);
-
- } else if (cat == BBQ) {
- /* Quadrants */
- int w2 = DIV(w, 2), h2 = DIV(h, 2);
- if (bd & TL)
- XftDrawRect(xd, fg, x, y, w2, h2);
- if (bd & TR)
- XftDrawRect(xd, fg, x + w2, y, w - w2, h2);
- if (bd & BL)
- XftDrawRect(xd, fg, x, y + h2, w2, h - h2);
- if (bd & BR)
- XftDrawRect(xd, fg, x + w2, y + h2, w - w2, h - h2);
-
- } else if (bd & BBS) {
- /* Shades - data is 1/2/3 for 25%/50%/75% alpha, respectively */
- int d = (uint8_t)bd;
- XftColor xfc;
- XRenderColor xrc = { .alpha = 0xffff };
-
- xrc.red = DIV(fg->color.red * d + bg->color.red * (4 - d), 4);
- xrc.green = DIV(fg->color.green * d + bg->color.green * (4 - d), 4);
- xrc.blue = DIV(fg->color.blue * d + bg->color.blue * (4 - d), 4);
-
- XftColorAllocValue(xdpy, xvis, xcmap, &xrc, &xfc);
- XftDrawRect(xd, &xfc, x, y, w, h);
- XftColorFree(xdpy, xvis, xcmap, &xfc);
-
- } else if (cat == BRL) {
- /* braille, each data bit corresponds to one dot at 2x4 grid */
- int w1 = DIV(w, 2);
- int h1 = DIV(h, 4), h2 = DIV(h, 2), h3 = DIV(3 * h, 4);
-
- if (bd & 1) XftDrawRect(xd, fg, x, y, w1, h1);
- if (bd & 2) XftDrawRect(xd, fg, x, y + h1, w1, h2 - h1);
- if (bd & 4) XftDrawRect(xd, fg, x, y + h2, w1, h3 - h2);
- if (bd & 8) XftDrawRect(xd, fg, x + w1, y, w - w1, h1);
- if (bd & 16) XftDrawRect(xd, fg, x + w1, y + h1, w - w1, h2 - h1);
- if (bd & 32) XftDrawRect(xd, fg, x + w1, y + h2, w - w1, h3 - h2);
- if (bd & 64) XftDrawRect(xd, fg, x, y + h3, w1, h - h3);
- if (bd & 128) XftDrawRect(xd, fg, x + w1, y + h3, w - w1, h - h3);
-
- }
-}
-
-void
-drawboxlines(int x, int y, int w, int h, XftColor *fg, ushort bd)
-{
- /* s: stem thickness. width/8 roughly matches underscore thickness. */
- /* We draw bold as 1.5 * normal-stem and at least 1px thicker. */
- /* doubles draw at least 3px, even when w or h < 3. bold needs 6px. */
- int mwh = MIN(w, h);
- int base_s = MAX(1, DIV(mwh, 8));
- int bold = (bd & BDB) && mwh >= 6; /* possibly ignore boldness */
- int s = bold ? MAX(base_s + 1, DIV(3 * base_s, 2)) : base_s;
- int w2 = DIV(w - s, 2), h2 = DIV(h - s, 2);
- /* the s-by-s square (x + w2, y + h2, s, s) is the center texel. */
- /* The base length (per direction till edge) includes this square. */
-
- int light = bd & (LL | LU | LR | LD);
- int double_ = bd & (DL | DU | DR | DD);
-
- if (light) {
- /* d: additional (negative) length to not-draw the center */
- /* texel - at arcs and avoid drawing inside (some) doubles */
- int arc = bd & BDA;
- int multi_light = light & (light - 1);
- int multi_double = double_ & (double_ - 1);
- /* light crosses double only at DH+LV, DV+LH (ref. shapes) */
- int d = arc || (multi_double && !multi_light) ? -s : 0;
-
- if (bd & LL)
- XftDrawRect(xd, fg, x, y + h2, w2 + s + d, s);
- if (bd & LU)
- XftDrawRect(xd, fg, x + w2, y, s, h2 + s + d);
- if (bd & LR)
- XftDrawRect(xd, fg, x + w2 - d, y + h2, w - w2 + d, s);
- if (bd & LD)
- XftDrawRect(xd, fg, x + w2, y + h2 - d, s, h - h2 + d);
- }
-
- /* double lines - also align with light to form heavy when combined */
- if (double_) {
- /*
- * going clockwise, for each double-ray: p is additional length
- * to the single-ray nearer to the previous direction, and n to
- * the next. p and n adjust from the base length to lengths
- * which consider other doubles - shorter to avoid intersections
- * (p, n), or longer to draw the far-corner texel (n).
- */
- int dl = bd & DL, du = bd & DU, dr = bd & DR, dd = bd & DD;
- if (dl) {
- int p = dd ? -s : 0, n = du ? -s : dd ? s : 0;
- XftDrawRect(xd, fg, x, y + h2 + s, w2 + s + p, s);
- XftDrawRect(xd, fg, x, y + h2 - s, w2 + s + n, s);
- }
- if (du) {
- int p = dl ? -s : 0, n = dr ? -s : dl ? s : 0;
- XftDrawRect(xd, fg, x + w2 - s, y, s, h2 + s + p);
- XftDrawRect(xd, fg, x + w2 + s, y, s, h2 + s + n);
- }
- if (dr) {
- int p = du ? -s : 0, n = dd ? -s : du ? s : 0;
- XftDrawRect(xd, fg, x + w2 - p, y + h2 - s, w - w2 + p, s);
- XftDrawRect(xd, fg, x + w2 - n, y + h2 + s, w - w2 + n, s);
- }
- if (dd) {
- int p = dr ? -s : 0, n = dl ? -s : dr ? s : 0;
- XftDrawRect(xd, fg, x + w2 + s, y + h2 - p, s, h - h2 + p);
- XftDrawRect(xd, fg, x + w2 - s, y + h2 - n, s, h - h2 + n);
- }
- }
-}
DIR diff --git a/boxdraw_data.h b/boxdraw_data.h
t@@ -1,214 +0,0 @@
-/*
- * Copyright 2018 Avi Halachmi (:avih) avihpit@yahoo.com https://github.com/avih
- * MIT/X Consortium License
- */
-
-/*
- * U+25XX codepoints data
- *
- * References:
- * http://www.unicode.org/charts/PDF/U2500.pdf
- * http://www.unicode.org/charts/PDF/U2580.pdf
- *
- * Test page:
- * https://github.com/GNOME/vte/blob/master/doc/boxes.txt
- */
-
-/* Each shape is encoded as 16-bits. Higher bits are category, lower are data */
-/* Categories (mutually exclusive except BDB): */
-/* For convenience, BDL/BDA/BBS/BDB are 1 bit each, the rest are enums */
-#define BDL (1<<8) /* Box Draw Lines (light/double/heavy) */
-#define BDA (1<<9) /* Box Draw Arc (light) */
-
-#define BBD (1<<10) /* Box Block Down (lower) X/8 */
-#define BBL (2<<10) /* Box Block Left X/8 */
-#define BBU (3<<10) /* Box Block Upper X/8 */
-#define BBR (4<<10) /* Box Block Right X/8 */
-#define BBQ (5<<10) /* Box Block Quadrants */
-#define BRL (6<<10) /* Box Braille (data is lower byte of U28XX) */
-
-#define BBS (1<<14) /* Box Block Shades */
-#define BDB (1<<15) /* Box Draw is Bold */
-
-/* (BDL/BDA) Light/Double/Heavy x Left/Up/Right/Down/Horizontal/Vertical */
-/* Heavy is light+double (literally drawing light+double align to form heavy) */
-#define LL (1<<0)
-#define LU (1<<1)
-#define LR (1<<2)
-#define LD (1<<3)
-#define LH (LL+LR)
-#define LV (LU+LD)
-
-#define DL (1<<4)
-#define DU (1<<5)
-#define DR (1<<6)
-#define DD (1<<7)
-#define DH (DL+DR)
-#define DV (DU+DD)
-
-#define HL (LL+DL)
-#define HU (LU+DU)
-#define HR (LR+DR)
-#define HD (LD+DD)
-#define HH (HL+HR)
-#define HV (HU+HD)
-
-/* (BBQ) Quadrants Top/Bottom x Left/Right */
-#define TL (1<<0)
-#define TR (1<<1)
-#define BL (1<<2)
-#define BR (1<<3)
-
-/* Data for U+2500 - U+259F except dashes/diagonals */
-static const unsigned short boxdata[256] = {
- /* light lines */
- [0x00] = BDL + LH, /* light horizontal */
- [0x02] = BDL + LV, /* light vertical */
- [0x0c] = BDL + LD + LR, /* light down and right */
- [0x10] = BDL + LD + LL, /* light down and left */
- [0x14] = BDL + LU + LR, /* light up and right */
- [0x18] = BDL + LU + LL, /* light up and left */
- [0x1c] = BDL + LV + LR, /* light vertical and right */
- [0x24] = BDL + LV + LL, /* light vertical and left */
- [0x2c] = BDL + LH + LD, /* light horizontal and down */
- [0x34] = BDL + LH + LU, /* light horizontal and up */
- [0x3c] = BDL + LV + LH, /* light vertical and horizontal */
- [0x74] = BDL + LL, /* light left */
- [0x75] = BDL + LU, /* light up */
- [0x76] = BDL + LR, /* light right */
- [0x77] = BDL + LD, /* light down */
-
- /* heavy [+light] lines */
- [0x01] = BDL + HH,
- [0x03] = BDL + HV,
- [0x0d] = BDL + HR + LD,
- [0x0e] = BDL + HD + LR,
- [0x0f] = BDL + HD + HR,
- [0x11] = BDL + HL + LD,
- [0x12] = BDL + HD + LL,
- [0x13] = BDL + HD + HL,
- [0x15] = BDL + HR + LU,
- [0x16] = BDL + HU + LR,
- [0x17] = BDL + HU + HR,
- [0x19] = BDL + HL + LU,
- [0x1a] = BDL + HU + LL,
- [0x1b] = BDL + HU + HL,
- [0x1d] = BDL + HR + LV,
- [0x1e] = BDL + HU + LD + LR,
- [0x1f] = BDL + HD + LR + LU,
- [0x20] = BDL + HV + LR,
- [0x21] = BDL + HU + HR + LD,
- [0x22] = BDL + HD + HR + LU,
- [0x23] = BDL + HV + HR,
- [0x25] = BDL + HL + LV,
- [0x26] = BDL + HU + LD + LL,
- [0x27] = BDL + HD + LU + LL,
- [0x28] = BDL + HV + LL,
- [0x29] = BDL + HU + HL + LD,
- [0x2a] = BDL + HD + HL + LU,
- [0x2b] = BDL + HV + HL,
- [0x2d] = BDL + HL + LD + LR,
- [0x2e] = BDL + HR + LL + LD,
- [0x2f] = BDL + HH + LD,
- [0x30] = BDL + HD + LH,
- [0x31] = BDL + HD + HL + LR,
- [0x32] = BDL + HR + HD + LL,
- [0x33] = BDL + HH + HD,
- [0x35] = BDL + HL + LU + LR,
- [0x36] = BDL + HR + LU + LL,
- [0x37] = BDL + HH + LU,
- [0x38] = BDL + HU + LH,
- [0x39] = BDL + HU + HL + LR,
- [0x3a] = BDL + HU + HR + LL,
- [0x3b] = BDL + HH + HU,
- [0x3d] = BDL + HL + LV + LR,
- [0x3e] = BDL + HR + LV + LL,
- [0x3f] = BDL + HH + LV,
- [0x40] = BDL + HU + LH + LD,
- [0x41] = BDL + HD + LH + LU,
- [0x42] = BDL + HV + LH,
- [0x43] = BDL + HU + HL + LD + LR,
- [0x44] = BDL + HU + HR + LD + LL,
- [0x45] = BDL + HD + HL + LU + LR,
- [0x46] = BDL + HD + HR + LU + LL,
- [0x47] = BDL + HH + HU + LD,
- [0x48] = BDL + HH + HD + LU,
- [0x49] = BDL + HV + HL + LR,
- [0x4a] = BDL + HV + HR + LL,
- [0x4b] = BDL + HV + HH,
- [0x78] = BDL + HL,
- [0x79] = BDL + HU,
- [0x7a] = BDL + HR,
- [0x7b] = BDL + HD,
- [0x7c] = BDL + HR + LL,
- [0x7d] = BDL + HD + LU,
- [0x7e] = BDL + HL + LR,
- [0x7f] = BDL + HU + LD,
-
- /* double [+light] lines */
- [0x50] = BDL + DH,
- [0x51] = BDL + DV,
- [0x52] = BDL + DR + LD,
- [0x53] = BDL + DD + LR,
- [0x54] = BDL + DR + DD,
- [0x55] = BDL + DL + LD,
- [0x56] = BDL + DD + LL,
- [0x57] = BDL + DL + DD,
- [0x58] = BDL + DR + LU,
- [0x59] = BDL + DU + LR,
- [0x5a] = BDL + DU + DR,
- [0x5b] = BDL + DL + LU,
- [0x5c] = BDL + DU + LL,
- [0x5d] = BDL + DL + DU,
- [0x5e] = BDL + DR + LV,
- [0x5f] = BDL + DV + LR,
- [0x60] = BDL + DV + DR,
- [0x61] = BDL + DL + LV,
- [0x62] = BDL + DV + LL,
- [0x63] = BDL + DV + DL,
- [0x64] = BDL + DH + LD,
- [0x65] = BDL + DD + LH,
- [0x66] = BDL + DD + DH,
- [0x67] = BDL + DH + LU,
- [0x68] = BDL + DU + LH,
- [0x69] = BDL + DH + DU,
- [0x6a] = BDL + DH + LV,
- [0x6b] = BDL + DV + LH,
- [0x6c] = BDL + DH + DV,
-
- /* (light) arcs */
- [0x6d] = BDA + LD + LR,
- [0x6e] = BDA + LD + LL,
- [0x6f] = BDA + LU + LL,
- [0x70] = BDA + LU + LR,
-
- /* Lower (Down) X/8 block (data is 8 - X) */
- [0x81] = BBD + 7, [0x82] = BBD + 6, [0x83] = BBD + 5, [0x84] = BBD + 4,
- [0x85] = BBD + 3, [0x86] = BBD + 2, [0x87] = BBD + 1, [0x88] = BBD + 0,
-
- /* Left X/8 block (data is X) */
- [0x89] = BBL + 7, [0x8a] = BBL + 6, [0x8b] = BBL + 5, [0x8c] = BBL + 4,
- [0x8d] = BBL + 3, [0x8e] = BBL + 2, [0x8f] = BBL + 1,
-
- /* upper 1/2 (4/8), 1/8 block (X), right 1/2, 1/8 block (8-X) */
- [0x80] = BBU + 4, [0x94] = BBU + 1,
- [0x90] = BBR + 4, [0x95] = BBR + 7,
-
- /* Quadrants */
- [0x96] = BBQ + BL,
- [0x97] = BBQ + BR,
- [0x98] = BBQ + TL,
- [0x99] = BBQ + TL + BL + BR,
- [0x9a] = BBQ + TL + BR,
- [0x9b] = BBQ + TL + TR + BL,
- [0x9c] = BBQ + TL + TR + BR,
- [0x9d] = BBQ + TR,
- [0x9e] = BBQ + BL + TR,
- [0x9f] = BBQ + BL + TR + BR,
-
- /* Shades, data is an alpha value in 25% units (1/4, 1/2, 3/4) */
- [0x91] = BBS + 1, [0x92] = BBS + 2, [0x93] = BBS + 3,
-
- /* U+2504 - U+250B, U+254C - U+254F: unsupported (dashes) */
- /* U+2571 - U+2573: unsupported (diagonals) */
-};