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Add sixel to st

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mintycube 2024-05-21 22:01:45 +05:00
parent 2b8cee2e35
commit 8e5f25f43a
11 changed files with 1337 additions and 12 deletions
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1
.config/suckless/st/README.md
View File

@ -23,6 +23,7 @@ The patches used are listed below:
- rightclicktoplumb [link](https://st.suckless.org/patches/right_click_to_plumb)
- scrollback [link](https://st.suckless.org/patches/scrollback)
- scrollback mouse altscreen [link](https://st.suckless.org/patches/scrollback)
- sixel [link](https://gist.github.com/saitoha/70e0fdf22e3e8f63ce937c7f7da71809)
- swapmouse [link](https://st.suckless.org/patches/swapmouse)
- use xftfontmatch [link](https://git.suckless.org/st/commit/528241aa3835e2f1f052abeeaf891737712955a0.html)
- wide glyphs [link](https://github.com/Dreomite/st/commit/e3b821dcb3511d60341dec35ee05a4a0abfef7f2) [link](https://www.reddit.com/r/suckless/comments/jt90ai/update_support_for_proper_glyph_rendering_in_st)

13
.config/suckless/st/config.h
View File

@ -30,7 +30,10 @@ char *scroll = NULL;
char *stty_args = "stty raw pass8 nl -echo -iexten -cstopb 38400";
/* identification sequence returned in DA and DECID */
char *vtiden = "\033[?6c";
char *vtiden = "\033[?62;4c"; /* VT200 family (62) with sixel (4) */
/* sixel rgb byte order: LSBFirst or MSBFirst */
int const sixelbyteorder = LSBFirst;
/* Kerning / character bounding-box multipliers */
static float cwscale = 1.0;
@ -158,7 +161,7 @@ unsigned int defaultrcs = 257;
* 7: Blinking st cursor
* 8: Steady st cursor
*/
static unsigned int cursorstyle = 1;
static unsigned int cursorstyle = 3;
static Rune stcursor = 0x2603; /* snowman (U+2603) */
/*
@ -266,10 +269,8 @@ static Shortcut shortcuts[] = {
{ControlMask, XK_Print, toggleprinter, {.i = 0}},
{ShiftMask, XK_Print, printscreen, {.i = 0}},
{XK_ANY_MOD, XK_Print, printsel, {.i = 0}},
{TERMMOD, XK_Up, zoom, {.f = +2}},
{TERMMOD, XK_Down, zoom, {.f = -2}},
// {MODKEY, XK_equal, zoom, {.f = +2}},
// {MODKEY, XK_minus, zoom, {.f = -2}},
{TERMMOD, XK_Up, zoom, {.f = +1}},
{TERMMOD, XK_Down, zoom, {.f = -1}},
{TERMMOD, XK_Home, zoomreset, {.f = 0}},
{TERMMOD, XK_C, clipcopy, {.i = 0}},
{TERMMOD, XK_V, clippaste, {.i = 0}},

4
.config/suckless/st/config.mk
View File

@ -27,8 +27,8 @@ LIGATURES_INC = `$(PKG_CONFIG) --cflags harfbuzz`
LIGATURES_LIBS = `$(PKG_CONFIG) --libs harfbuzz`
# Uncomment this for the SIXEL patch / SIXEL_PATCH
#SIXEL_C = sixel.c sixel_hls.c
#SIXEL_LIBS = `$(PKG_CONFIG) --libs imlib2`
SIXEL_C = sixel.c sixel_hls.c
SIXEL_LIBS = `$(PKG_CONFIG) --libs imlib2`
# Uncomment for the netwmicon patch / NETWMICON_PATCH
#NETWMICON_LIBS = `$(PKG_CONFIG) --libs gdlib`

106
.config/suckless/st/patch/reflow.c
View File

@ -6,6 +6,7 @@ tloaddefscreen(int clear, int loadcursor)
if (alt) {
if (clear) {
tclearregion(0, 0, term.col-1, term.row-1, 1);
tdeleteimages();
}
col = term.col, row = term.row;
tswapscreen();
@ -31,6 +32,7 @@ tloadaltscreen(int clear, int savecursor)
}
if (clear) {
tclearregion(0, 0, term.col-1, term.row-1, 1);
tdeleteimages();
}
}
@ -55,6 +57,17 @@ tclearglyph(Glyph *gp, int usecurattr)
gp->u = ' ';
}
void
treflow_moveimages(int oldy, int newy)
{
ImageList *im;
for (im = term.images; im; im = im->next) {
if (im->y == oldy)
im->reflow_y = newy;
}
}
void
treflow(int col, int row)
{
@ -64,6 +77,10 @@ treflow(int col, int row)
int cy = -1; /* proxy for new y coordinate of cursor */
int buflen, nlines;
Line *buf, bufline, line;
ImageList *im, *next;
for (im = term.images; im; im = im->next)
im->reflow_y = INT_MIN; /* unset reflow_y */
/* y coordinate of cursor line end */
for (oce = term.c.y; oce < term.row - 1 &&
@ -95,6 +112,7 @@ treflow(int col, int row)
if (len == 0 || !(line[len - 1].mode & ATTR_WRAP)) {
for (j = nx; j < col; j++)
tclearglyph(&bufline[j], 0);
treflow_moveimages(oy+term.scr, ny);
nx = 0;
} else if (nx > 0) {
bufline[nx - 1].mode &= ~ATTR_WRAP;
@ -102,6 +120,7 @@ treflow(int col, int row)
ox = 0, oy++;
} else if (col - nx == len - ox) {
memcpy(&bufline[nx], &line[ox], (col-nx) * sizeof(Glyph));
treflow_moveimages(oy+term.scr, ny);
ox = 0, oy++, nx = 0;
} else/* if (col - nx < len - ox) */ {
memcpy(&bufline[nx], &line[ox], (col-nx) * sizeof(Glyph));
@ -112,6 +131,7 @@ treflow(int col, int row)
} else {
bufline[col - 1].mode |= ATTR_WRAP;
}
treflow_moveimages(oy+term.scr, ny);
ox += col - nx;
nx = 0;
}
@ -172,6 +192,29 @@ treflow(int col, int row)
term.hist[j] = xrealloc(term.hist[j], col * sizeof(Glyph));
}
/* move images to the final position */
for (im = term.images; im; im = next) {
next = im->next;
if (im->reflow_y == INT_MIN) {
delete_image(im);
} else {
im->y = im->reflow_y - term.histf + term.scr - (ny + 1);
if (im->y - term.scr < -HISTSIZE || im->y - term.scr >= row)
delete_image(im);
}
}
/* expand images into new text cells */
for (im = term.images; im; im = next) {
next = im->next;
if (im->x < col) {
line = TLINE(im->y);
x2 = MIN(im->x + im->cols, col);
for (x = im->x; x < x2; x++)
line[x].mode |= ATTR_SIXEL;
}
}
for (; buflen > 0; ny--, buflen--)
free(buf[ny % nlines]);
free(buf);
@ -206,6 +249,7 @@ rscrolldown(int n)
if ((i = term.scr - n) >= 0) {
term.scr = i;
} else {
scroll_images(n - term.scr);
term.scr = 0;
if (sel.ob.x != -1 && !sel.alt)
selmove(-i);
@ -258,6 +302,7 @@ void
tresizealt(int col, int row)
{
int i, j;
ImageList *im, *next;
/* return if dimensions haven't changed */
if (term.col == col && term.row == row) {
@ -272,6 +317,7 @@ tresizealt(int col, int row)
if (i > 0) {
/* ensure that both src and dst are not NULL */
memmove(term.line, term.line + i, row * sizeof(Line));
scroll_images(-i);
term.c.y = row - 1;
}
for (i += row; i < term.row; i++)
@ -302,6 +348,17 @@ tresizealt(int col, int row)
/* reset scrolling region */
term.top = 0, term.bot = row - 1;
/* delete or clip images if they are not inside the screen */
for (im = term.images; im; im = next) {
next = im->next;
if (im->x >= term.col || im->y >= term.row || im->y < 0) {
delete_image(im);
} else {
if ((im->cols = MIN(im->x + im->cols, term.col) - im->x) <= 0)
delete_image(im);
}
}
/* dirty all lines */
tfulldirt();
}
@ -328,6 +385,8 @@ kscrolldown(const Arg* a)
selmove(-n); /* negate change in term.scr */
tfulldirt();
scroll_images(-1*n);
}
void
@ -352,6 +411,8 @@ kscrollup(const Arg* a)
selmove(n); /* negate change in term.scr */
tfulldirt();
scroll_images(n);
}
void
@ -363,6 +424,8 @@ tscrollup(int top, int bot, int n, int mode)
int alt = IS_SET(MODE_ALTSCREEN);
int savehist = !alt && top == 0 && mode != SCROLL_NOSAVEHIST;
int scr = alt ? 0 : term.scr;
int itop = top + scr, ibot = bot + scr;
ImageList *im, *next;
if (n <= 0)
return;
@ -397,6 +460,35 @@ tscrollup(int top, int bot, int n, int mode)
term.line[i+n] = temp;
}
if (alt || !savehist) {
/* move images, if they are inside the scrolling region */
for (im = term.images; im; im = next) {
next = im->next;
if (im->y >= itop && im->y <= ibot) {
im->y -= n;
if (im->y < itop)
delete_image(im);
}
}
} else {
/* move images, if they are inside the scrolling region or scrollback */
for (im = term.images; im; im = next) {
next = im->next;
im->y -= scr;
if (im->y < 0) {
im->y -= n;
} else if (im->y >= top && im->y <= bot) {
im->y -= n;
if (im->y < top)
im->y -= top; // move to scrollback
}
if (im->y < -HISTSIZE)
delete_image(im);
else
im->y += term.scr;
}
}
if (sel.ob.x != -1 && sel.alt == alt) {
if (!savehist) {
selscroll(top, bot, -n);
@ -416,6 +508,7 @@ tscrolldown(int top, int n)
int scr = IS_SET(MODE_ALTSCREEN) ? 0 : term.scr;
int itop = top + scr, ibot = bot + scr;
Line temp;
ImageList *im, *next;
if (n <= 0)
return;
@ -430,6 +523,16 @@ tscrolldown(int top, int n)
term.line[i-n] = temp;
}
/* move images, if they are inside the scrolling region */
for (im = term.images; im; im = next) {
next = im->next;
if (im->y >= itop && im->y <= ibot) {
im->y += n;
if (im->y > ibot)
delete_image(im);
}
}
if (sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN))
selscroll(top, bot, n);
}
@ -692,6 +795,7 @@ tswapscreen(void)
static int altcol, altrow;
Line *tmpline = term.line;
int tmpcol = term.col, tmprow = term.row;
ImageList *im = term.images;
term.line = altline;
term.col = altcol, term.row = altrow;
@ -699,6 +803,8 @@ tswapscreen(void)
altcol = tmpcol, altrow = tmprow;
term.mode ^= MODE_ALTSCREEN;
term.images = term.images_alt;
term.images_alt = im;
}
char *

687
.config/suckless/st/sixel.c Normal file
View File

@ -0,0 +1,687 @@
// sixel.c (part of mintty)
// originally written by kmiya@cluti (https://github.com/saitoha/sixel/blob/master/fromsixel.c)
// Licensed under the terms of the GNU General Public License v3 or later.
#include <stdlib.h>
#include <string.h> /* memcpy */
#include "st.h"
#include "win.h"
#include "sixel.h"
#include "sixel_hls.h"
#define SIXEL_RGB(r, g, b) ((255 << 24) + ((r) << 16) + ((g) << 8) + (b))
#define SIXEL_PALVAL(n,a,m) (((n) * (a) + ((m) / 2)) / (m))
#define SIXEL_XRGB(r,g,b) SIXEL_RGB(SIXEL_PALVAL(r, 255, 100), SIXEL_PALVAL(g, 255, 100), SIXEL_PALVAL(b, 255, 100))
static sixel_color_t const sixel_default_color_table[] = {
SIXEL_XRGB( 0, 0, 0), /* 0 Black */
SIXEL_XRGB(20, 20, 80), /* 1 Blue */
SIXEL_XRGB(80, 13, 13), /* 2 Red */
SIXEL_XRGB(20, 80, 20), /* 3 Green */
SIXEL_XRGB(80, 20, 80), /* 4 Magenta */
SIXEL_XRGB(20, 80, 80), /* 5 Cyan */
SIXEL_XRGB(80, 80, 20), /* 6 Yellow */
SIXEL_XRGB(53, 53, 53), /* 7 Gray 50% */
SIXEL_XRGB(26, 26, 26), /* 8 Gray 25% */
SIXEL_XRGB(33, 33, 60), /* 9 Blue* */
SIXEL_XRGB(60, 26, 26), /* 10 Red* */
SIXEL_XRGB(33, 60, 33), /* 11 Green* */
SIXEL_XRGB(60, 33, 60), /* 12 Magenta* */
SIXEL_XRGB(33, 60, 60), /* 13 Cyan* */
SIXEL_XRGB(60, 60, 33), /* 14 Yellow* */
SIXEL_XRGB(80, 80, 80), /* 15 Gray 75% */
};
void
scroll_images(int n) {
ImageList *im, *next;
int top = tisaltscr() ? 0 : term.scr - HISTSIZE;
for (im = term.images; im; im = next) {
next = im->next;
im->y += n;
/* check if the current sixel has exceeded the maximum
* draw distance, and should therefore be deleted */
if (im->y < top) {
//fprintf(stderr, "im@0x%08x exceeded maximum distance\n");
delete_image(im);
}
}
}
void
delete_image(ImageList *im)
{
if (im->prev)
im->prev->next = im->next;
else
term.images = im->next;
if (im->next)
im->next->prev = im->prev;
if (im->pixmap)
XFreePixmap(xw.dpy, (Drawable)im->pixmap);
if (im->clipmask)
XFreePixmap(xw.dpy, (Drawable)im->clipmask);
free(im->pixels);
free(im);
}
static int
set_default_color(sixel_image_t *image)
{
int i;
int n;
int r;
int g;
int b;
/* palette initialization */
for (n = 1; n < 17; n++) {
image->palette[n] = sixel_default_color_table[n - 1];
}
/* colors 17-232 are a 6x6x6 color cube */
for (r = 0; r < 6; r++) {
for (g = 0; g < 6; g++) {
for (b = 0; b < 6; b++) {
image->palette[n++] = SIXEL_RGB(r * 51, g * 51, b * 51);
}
}
}
/* colors 233-256 are a grayscale ramp, intentionally leaving out */
for (i = 0; i < 24; i++) {
image->palette[n++] = SIXEL_RGB(i * 11, i * 11, i * 11);
}
for (; n < DECSIXEL_PALETTE_MAX; n++) {
image->palette[n] = SIXEL_RGB(255, 255, 255);
}
return (0);
}
static int
sixel_image_init(
sixel_image_t *image,
int width,
int height,
int fgcolor,
int bgcolor,
int use_private_register)
{
int status = (-1);
size_t size;
size = (size_t)(width * height) * sizeof(sixel_color_no_t);
image->width = width;
image->height = height;
image->data = (sixel_color_no_t *)malloc(size);
image->ncolors = 2;
image->use_private_register = use_private_register;
if (image->data == NULL) {
status = (-1);
goto end;
}
memset(image->data, 0, size);
image->palette[0] = bgcolor;
if (image->use_private_register)
image->palette[1] = fgcolor;
image->palette_modified = 0;
status = (0);
end:
return status;
}
static int
image_buffer_resize(
sixel_image_t *image,
int width,
int height)
{
int status = (-1);
size_t size;
sixel_color_no_t *alt_buffer;
int n;
int min_height;
size = (size_t)(width * height) * sizeof(sixel_color_no_t);
alt_buffer = (sixel_color_no_t *)malloc(size);
if (alt_buffer == NULL) {
/* free source image */
free(image->data);
image->data = NULL;
status = (-1);
goto end;
}
min_height = height > image->height ? image->height: height;
if (width > image->width) { /* if width is extended */
for (n = 0; n < min_height; ++n) {
/* copy from source image */
memcpy(alt_buffer + width * n,
image->data + image->width * n,
(size_t)image->width * sizeof(sixel_color_no_t));
/* fill extended area with background color */
memset(alt_buffer + width * n + image->width,
0,
(size_t)(width - image->width) * sizeof(sixel_color_no_t));
}
} else {
for (n = 0; n < min_height; ++n) {
/* copy from source image */
memcpy(alt_buffer + width * n,
image->data + image->width * n,
(size_t)width * sizeof(sixel_color_no_t));
}
}
if (height > image->height) { /* if height is extended */
/* fill extended area with background color */
memset(alt_buffer + width * image->height,
0,
(size_t)(width * (height - image->height)) * sizeof(sixel_color_no_t));
}
/* free source image */
free(image->data);
image->data = alt_buffer;
image->width = width;
image->height = height;
status = (0);
end:
return status;
}
static void
sixel_image_deinit(sixel_image_t *image)
{
if (image->data)
free(image->data);
image->data = NULL;
}
int
sixel_parser_init(sixel_state_t *st,
int transparent,
sixel_color_t fgcolor, sixel_color_t bgcolor,
unsigned char use_private_register,
int cell_width, int cell_height)
{
int status = (-1);
st->state = PS_DECSIXEL;
st->pos_x = 0;
st->pos_y = 0;
st->max_x = 0;
st->max_y = 0;
st->attributed_pan = 2;
st->attributed_pad = 1;
st->attributed_ph = 0;
st->attributed_pv = 0;
st->transparent = transparent;
st->repeat_count = 1;
st->color_index = 16;
st->grid_width = cell_width;
st->grid_height = cell_height;
st->nparams = 0;
st->param = 0;
/* buffer initialization */
status = sixel_image_init(&st->image, 1, 1, fgcolor, transparent ? 0 : bgcolor, use_private_register);
return status;
}
int
sixel_parser_set_default_color(sixel_state_t *st)
{
return set_default_color(&st->image);
}
int
sixel_parser_finalize(sixel_state_t *st, ImageList **newimages, int cx, int cy, int cw, int ch)
{
sixel_image_t *image = &st->image;
int x, y;
sixel_color_no_t *src;
sixel_color_t *dst;
int color;
int w, h;
int i, j, cols, numimages;
ImageList *im, *next, *tail;
if (!image->data)
return -1;
if (++st->max_x < st->attributed_ph)
st->max_x = st->attributed_ph;
if (++st->max_y < st->attributed_pv)
st->max_y = st->attributed_pv;
if (image->use_private_register && image->ncolors > 2 && !image->palette_modified) {
if (set_default_color(image) < 0)
return -1;
}
w = MIN(st->max_x, image->width);
h = MIN(st->max_y, image->height);
if ((numimages = (h + ch-1) / ch) <= 0)
return -1;
cols = (w + cw-1) / cw;
*newimages = NULL, tail = NULL;
for (y = 0, i = 0; i < numimages; i++) {
if ((im = malloc(sizeof(ImageList)))) {
if (!tail) {
*newimages = tail = im;
im->prev = im->next = NULL;
} else {
tail->next = im;
im->prev = tail;
im->next = NULL;
tail = im;
}
im->x = cx;
im->y = cy + i;
im->cols = cols;
im->width = w;
im->height = MIN(h - ch * i, ch);
im->pixels = malloc(im->width * im->height * 4);
im->pixmap = NULL;
im->clipmask = NULL;
im->cw = cw;
im->ch = ch;
im->transparent = st->transparent;
}
if (!im || !im->pixels) {
for (im = *newimages; im; im = next) {
next = im->next;
if (im->pixels)
free(im->pixels);
free(im);
}
*newimages = NULL;
return -1;
}
dst = (sixel_color_t *)im->pixels;
for (j = 0; j < im->height && y < h; j++, y++) {
src = st->image.data + image->width * y;
for (x = 0; x < w; x++)
*dst++ = st->image.palette[*src++];
}
}
return numimages;
}
/* convert sixel data into indexed pixel bytes and palette data */
int
sixel_parser_parse(sixel_state_t *st, const unsigned char *p, size_t len)
{
int n = 0;
int i;
int x;
int y;
int bits;
int sx;
int sy;
int c;
int pos;
int width;
const unsigned char *p0 = p, *p2 = p + len;
sixel_image_t *image = &st->image;
sixel_color_no_t *data, color_index;
if (!image->data)
st->state = PS_ERROR;
while (p < p2) {
switch (st->state) {
case PS_ESC:
goto end;
case PS_DECSIXEL:
switch (*p) {
case '\x1b':
st->state = PS_ESC;
break;
case '"':
st->param = 0;
st->nparams = 0;
st->state = PS_DECGRA;
p++;
break;
case '!':
st->param = 0;
st->nparams = 0;
st->state = PS_DECGRI;
p++;
break;
case '#':
st->param = 0;
st->nparams = 0;
st->state = PS_DECGCI;
p++;
break;
case '$':
/* DECGCR Graphics Carriage Return */
st->pos_x = 0;
p++;
break;
case '-':
/* DECGNL Graphics Next Line */
st->pos_x = 0;
if (st->pos_y < DECSIXEL_HEIGHT_MAX - 5 - 6)
st->pos_y += 6;
else
st->pos_y = DECSIXEL_HEIGHT_MAX + 1;
p++;
break;
default:
if (*p >= '?' && *p <= '~') { /* sixel characters */
if ((image->width < (st->pos_x + st->repeat_count) || image->height < (st->pos_y + 6))
&& image->width < DECSIXEL_WIDTH_MAX && image->height < DECSIXEL_HEIGHT_MAX) {
sx = image->width * 2;
sy = image->height * 2;
while (sx < (st->pos_x + st->repeat_count) || sy < (st->pos_y + 6)) {
sx *= 2;
sy *= 2;
}
sx = MIN(sx, DECSIXEL_WIDTH_MAX);
sy = MIN(sy, DECSIXEL_HEIGHT_MAX);
if (image_buffer_resize(image, sx, sy) < 0) {
perror("sixel_parser_parse() failed");
st->state = PS_ERROR;
p++;
break;
}
}
if (st->color_index > image->ncolors)
image->ncolors = st->color_index;
if (st->pos_x + st->repeat_count > image->width)
st->repeat_count = image->width - st->pos_x;
if (st->repeat_count > 0 && st->pos_y + 5 < image->height) {
bits = *p - '?';
if (bits != 0) {
data = image->data + image->width * st->pos_y + st->pos_x;
width = image->width;
color_index = st->color_index;
if (st->repeat_count <= 1) {
if (bits & 0x01)
*data = color_index, n = 0;
data += width;
if (bits & 0x02)
*data = color_index, n = 1;
data += width;
if (bits & 0x04)
*data = color_index, n = 2;
data += width;
if (bits & 0x08)
*data = color_index, n = 3;
data += width;
if (bits & 0x10)
*data = color_index, n = 4;
if (bits & 0x20)
data[width] = color_index, n = 5;
if (st->max_x < st->pos_x)
st->max_x = st->pos_x;
} else {
/* st->repeat_count > 1 */
for (i = 0; bits; bits >>= 1, i++, data += width) {
if (bits & 1) {
data[0] = color_index;
data[1] = color_index;
for (x = 2; x < st->repeat_count; x++)
data[x] = color_index;
n = i;
}
}
if (st->max_x < (st->pos_x + st->repeat_count - 1))
st->max_x = st->pos_x + st->repeat_count - 1;
}
if (st->max_y < (st->pos_y + n))
st->max_y = st->pos_y + n;
}
}
if (st->repeat_count > 0)
st->pos_x += st->repeat_count;
st->repeat_count = 1;
}
p++;
break;
}
break;
case PS_DECGRA:
/* DECGRA Set Raster Attributes " Pan; Pad; Ph; Pv */
switch (*p) {
case '\x1b':
st->state = PS_ESC;
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
st->param = st->param * 10 + *p - '0';
st->param = MIN(st->param, DECSIXEL_PARAMVALUE_MAX);
p++;
break;
case ';':
if (st->nparams < DECSIXEL_PARAMS_MAX)
st->params[st->nparams++] = st->param;
st->param = 0;
p++;
break;
default:
if (st->nparams < DECSIXEL_PARAMS_MAX)
st->params[st->nparams++] = st->param;
if (st->nparams > 0)
st->attributed_pad = st->params[0];
if (st->nparams > 1)
st->attributed_pan = st->params[1];
if (st->nparams > 2 && st->params[2] > 0)
st->attributed_ph = st->params[2];
if (st->nparams > 3 && st->params[3] > 0)
st->attributed_pv = st->params[3];
if (st->attributed_pan <= 0)
st->attributed_pan = 1;
if (st->attributed_pad <= 0)
st->attributed_pad = 1;
if (image->width < st->attributed_ph ||
image->height < st->attributed_pv) {
sx = MAX(image->width, st->attributed_ph);
sy = MAX(image->height, st->attributed_pv);
/* the height of the image buffer must be divisible by 6
* to avoid unnecessary resizing of the image buffer when
* parsing the last sixel line */
sy = (sy + 5) / 6 * 6;
sx = MIN(sx, DECSIXEL_WIDTH_MAX);
sy = MIN(sy, DECSIXEL_HEIGHT_MAX);
if (image_buffer_resize(image, sx, sy) < 0) {
perror("sixel_parser_parse() failed");
st->state = PS_ERROR;
break;
}
}
st->state = PS_DECSIXEL;
st->param = 0;
st->nparams = 0;
}
break;
case PS_DECGRI:
/* DECGRI Graphics Repeat Introducer ! Pn Ch */
switch (*p) {
case '\x1b':
st->state = PS_ESC;
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
st->param = st->param * 10 + *p - '0';
st->param = MIN(st->param, DECSIXEL_PARAMVALUE_MAX);
p++;
break;
default:
st->repeat_count = MAX(st->param, 1);
st->state = PS_DECSIXEL;
st->param = 0;
st->nparams = 0;
break;
}
break;
case PS_DECGCI:
/* DECGCI Graphics Color Introducer # Pc; Pu; Px; Py; Pz */
switch (*p) {
case '\x1b':
st->state = PS_ESC;
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
st->param = st->param * 10 + *p - '0';
st->param = MIN(st->param, DECSIXEL_PARAMVALUE_MAX);
p++;
break;
case ';':
if (st->nparams < DECSIXEL_PARAMS_MAX)
st->params[st->nparams++] = st->param;
st->param = 0;
p++;
break;
default:
st->state = PS_DECSIXEL;
if (st->nparams < DECSIXEL_PARAMS_MAX)
st->params[st->nparams++] = st->param;
st->param = 0;
if (st->nparams > 0) {
st->color_index = 1 + st->params[0]; /* offset 1(background color) added */
if (st->color_index < 0)
st->color_index = 0;
else if (st->color_index >= DECSIXEL_PALETTE_MAX)
st->color_index = DECSIXEL_PALETTE_MAX - 1;
}
if (st->nparams > 4) {
st->image.palette_modified = 1;
if (st->params[1] == 1) {
/* HLS */
st->params[2] = MIN(st->params[2], 360);
st->params[3] = MIN(st->params[3], 100);
st->params[4] = MIN(st->params[4], 100);
image->palette[st->color_index]
= hls_to_rgb(st->params[2], st->params[3], st->params[4]);
} else if (st->params[1] == 2) {
/* RGB */
st->params[2] = MIN(st->params[2], 100);
st->params[3] = MIN(st->params[3], 100);
st->params[4] = MIN(st->params[4], 100);
image->palette[st->color_index]
= SIXEL_XRGB(st->params[2], st->params[3], st->params[4]);
}
}
break;
}
break;
case PS_ERROR:
if (*p == '\x1b') {
st->state = PS_ESC;
goto end;
}
p++;
break;
default:
break;
}
}
end:
return p - p0;
}
void
sixel_parser_deinit(sixel_state_t *st)
{
if (st)
sixel_image_deinit(&st->image);
}
Pixmap
sixel_create_clipmask(char *pixels, int width, int height)
{
char c, *clipdata, *dst;
int b, i, n, y, w;
int msb = (XBitmapBitOrder(xw.dpy) == MSBFirst);
sixel_color_t *src = (sixel_color_t *)pixels;
Pixmap clipmask;
clipdata = dst = malloc((width+7)/8 * height);
if (!clipdata)
return (Pixmap)None;
for (y = 0; y < height; y++) {
for (w = width; w > 0; w -= n) {
n = MIN(w, 8);
if (msb) {
for (b = 0x80, c = 0, i = 0; i < n; i++, b >>= 1)
c |= (*src++) ? b : 0;
} else {
for (b = 0x01, c = 0, i = 0; i < n; i++, b <<= 1)
c |= (*src++) ? b : 0;
}
*dst++ = c;
}
}
clipmask = XCreateBitmapFromData(xw.dpy, xw.win, clipdata, width, height);
free(clipdata);
return clipmask;
}

63
.config/suckless/st/sixel.h Normal file
View File

@ -0,0 +1,63 @@
#ifndef SIXEL_H
#define SIXEL_H
#define DECSIXEL_PARAMS_MAX 16
#define DECSIXEL_PALETTE_MAX 1024
#define DECSIXEL_PARAMVALUE_MAX 65535
#define DECSIXEL_WIDTH_MAX 4096
#define DECSIXEL_HEIGHT_MAX 4096
typedef unsigned short sixel_color_no_t;
typedef unsigned int sixel_color_t;
typedef struct sixel_image_buffer {
sixel_color_no_t *data;
int width;
int height;
sixel_color_t palette[DECSIXEL_PALETTE_MAX];
sixel_color_no_t ncolors;
int palette_modified;
int use_private_register;
} sixel_image_t;
typedef enum parse_state {
PS_ESC = 1, /* ESC */
PS_DECSIXEL = 2, /* DECSIXEL body part ", $, -, ? ... ~ */
PS_DECGRA = 3, /* DECGRA Set Raster Attributes " Pan; Pad; Ph; Pv */
PS_DECGRI = 4, /* DECGRI Graphics Repeat Introducer ! Pn Ch */
PS_DECGCI = 5, /* DECGCI Graphics Color Introducer # Pc; Pu; Px; Py; Pz */
PS_ERROR = 6,
} parse_state_t;
typedef struct parser_context {
parse_state_t state;
int pos_x;
int pos_y;
int max_x;
int max_y;
int attributed_pan;
int attributed_pad;
int attributed_ph;
int attributed_pv;
int transparent;
int repeat_count;
int color_index;
int bgindex;
int grid_width;
int grid_height;
int param;
int nparams;
int params[DECSIXEL_PARAMS_MAX];
sixel_image_t image;
} sixel_state_t;
void scroll_images(int n);
void delete_image(ImageList *im);
int sixel_parser_init(sixel_state_t *st, int transparent, sixel_color_t fgcolor, sixel_color_t bgcolor, unsigned char use_private_register, int cell_width, int cell_height);
int sixel_parser_parse(sixel_state_t *st, const unsigned char *p, size_t len);
int sixel_parser_set_default_color(sixel_state_t *st);
int sixel_parser_finalize(sixel_state_t *st, ImageList **newimages, int cx, int cy, int cw, int ch);
void sixel_parser_deinit(sixel_state_t *st);
Pixmap sixel_create_clipmask(char *pixels, int width, int height);
#endif

115
.config/suckless/st/sixel_hls.c Normal file
View File

@ -0,0 +1,115 @@
// sixel.c (part of mintty)
// this function is derived from a part of graphics.c
// in Xterm pl#310 originally written by Ross Combs.
//
// Copyright 2013,2014 by Ross Combs
//
// All Rights Reserved
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Except as contained in this notice, the name(s) of the above copyright
// holders shall not be used in advertising or otherwise to promote the
// sale, use or other dealings in this Software without prior written
// authorization.
#define SIXEL_RGB(r, g, b) ((r) + ((g) << 8) + ((b) << 16) + (255 << 24))
int
hls_to_rgb(int hue, int lum, int sat)
{
double hs = (hue + 240) % 360;
double hv = hs / 360.0;
double lv = lum / 100.0;
double sv = sat / 100.0;
double c, x, m, c2;
double r1, g1, b1;
int r, g, b;
int hpi;
if (sat == 0) {
r = g = b = lum * 255 / 100;
return SIXEL_RGB(r, g, b);
}
if ((c2 = ((2.0 * lv) - 1.0)) < 0.0) {
c2 = -c2;
}
c = (1.0 - c2) * sv;
hpi = (int) (hv * 6.0);
x = (hpi & 1) ? c : 0.0;
m = lv - 0.5 * c;
switch (hpi) {
case 0:
r1 = c;
g1 = x;
b1 = 0.0;
break;
case 1:
r1 = x;
g1 = c;
b1 = 0.0;
break;
case 2:
r1 = 0.0;
g1 = c;
b1 = x;
break;
case 3:
r1 = 0.0;
g1 = x;
b1 = c;
break;
case 4:
r1 = x;
g1 = 0.0;
b1 = c;
break;
case 5:
r1 = c;
g1 = 0.0;
b1 = x;
break;
default:
return SIXEL_RGB(255, 255, 255);
}
r = (int) ((r1 + m) * 100.0 + 0.5);
g = (int) ((g1 + m) * 100.0 + 0.5);
b = (int) ((b1 + m) * 100.0 + 0.5);
if (r < 0) {
r = 0;
} else if (r > 100) {
r = 100;
}
if (g < 0) {
g = 0;
} else if (g > 100) {
g = 100;
}
if (b < 0) {
b = 0;
} else if (b > 100) {
b = 100;
}
return SIXEL_RGB(r * 255 / 100, g * 255 / 100, b * 255 / 100);
}

7
.config/suckless/st/sixel_hls.h Normal file
View File

@ -0,0 +1,7 @@
/*
* Primary color hues:
* blue: 0 degrees
* red: 120 degrees
* green: 240 degrees
*/
int hls_to_rgb(int hue, int lum, int sat);

213
.config/suckless/st/st.c
View File

@ -21,6 +21,8 @@
#include "st.h"
#include "win.h"
#include "sixel.h"
#if defined(__linux)
#include <pty.h>
#elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
@ -54,6 +56,9 @@ enum term_mode {
MODE_ECHO = 1 << 4,
MODE_PRINT = 1 << 5,
MODE_UTF8 = 1 << 6,
MODE_SIXEL = 1 << 7,
MODE_SIXEL_CUR_RT = 1 << 8,
MODE_SIXEL_SDM = 1 << 9
};
enum scroll_mode {
@ -91,6 +96,7 @@ enum escape_state {
ESC_STR_END = 16, /* a final string was encountered */
ESC_TEST = 32, /* Enter in test mode */
ESC_UTF8 = 64,
ESC_DCS =128,
};
typedef struct {
@ -141,6 +147,7 @@ static void ttywriteraw(const char *, size_t);
static void csidump(void);
static void csihandle(void);
static void dcshandle(void);
static void csiparse(void);
static void csireset(void);
static void osc_color_response(int, int, int);
@ -156,6 +163,7 @@ static void tdumpline(int);
static void tdump(void);
static void tcursor(int);
static void tresetcursor(void);
static void tdeleteimages(void);
static void tdeleteline(int);
static void tinsertblank(int);
static void tinsertblankline(int);
@ -199,6 +207,7 @@ static STREscape strescseq;
static int iofd = 1;
static int cmdfd;
static pid_t pid;
sixel_state_t sixel_st;
static const uchar utfbyte[UTF_SIZ + 1] = {0x80, 0, 0xC0, 0xE0, 0xF0};
static const uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
@ -885,6 +894,7 @@ treset(void)
for (y = 0; y < term.row; y++)
for (x = 0; x < term.col; x++)
tclearglyph(&term.line[y][x], 0);
tdeleteimages();
tswapscreen();
}
tfulldirt();
@ -1004,6 +1014,17 @@ tinsertblankline(int n)
tscrolldown(term.c.y, n);
}
void
tdeleteimages(void)
{
ImageList *im, *next;
for (im = term.images; im; im = next) {
next = im->next;
delete_image(im);
}
}
void
tdeleteline(int n)
{
@ -1276,6 +1297,12 @@ tsetmode(int priv, int set, const int *args, int narg)
and can be mistaken for other control
codes. */
break;
case 80: /* DECSDM -- Sixel Display Mode */
MODBIT(term.mode, set, MODE_SIXEL_SDM);
break;
case 8452: /* sixel scrolling leaves cursor to right of graphic */
MODBIT(term.mode, set, MODE_SIXEL_CUR_RT);
break;
default:
fprintf(stderr,
"erresc: unknown private set/reset mode %d\n",
@ -1313,6 +1340,8 @@ csihandle(void)
{
char buffer[40];
int n = 0, len;
ImageList *im, *next;
int pi, pa;
int x;
int maxcol = term.col;
@ -1424,6 +1453,7 @@ csihandle(void)
case 2: /* screen */
if (IS_SET(MODE_ALTSCREEN)) {
tclearregion(0, 0, term.col-1, term.row-1, 1);
tdeleteimages();
break;
}
/* vte does this:
@ -1431,6 +1461,8 @@ csihandle(void)
/* alacritty does this: */
for (n = term.row-1; n >= 0 && tlinelen(term.line[n]) == 0; n--)
;
for (im = term.images; im; im = im->next)
n = MAX(im->y - term.scr, n);
if (n >= 0)
tscrollup(0, term.row-1, n+1, SCROLL_SAVEHIST);
tscrollup(0, term.row-1, term.row-n-1, SCROLL_NOSAVEHIST);
@ -1443,6 +1475,15 @@ csihandle(void)
term.scr = 0;
term.histi = 0;
term.histf = 0;
for (im = term.images; im; im = next) {
next = im->next;
if (im->y < 0)
delete_image(im);
}
break;
case 6: /* sixels */
tdeleteimages();
tfulldirt();
break;
default:
goto unknown;
@ -1463,6 +1504,29 @@ csihandle(void)
break;
case 'S': /* SU -- Scroll <n> line up ; XTSMGRAPHICS */
if (csiescseq.priv) {
if (csiescseq.narg > 1) {
/* XTSMGRAPHICS */
pi = csiescseq.arg[0];
pa = csiescseq.arg[1];
if (pi == 1 && (pa == 1 || pa == 2 || pa == 4)) {
/* number of sixel color registers */
/* (read, reset and read the maximum value give the same response) */
n = snprintf(buffer, sizeof buffer, "\033[?1;0;%dS", DECSIXEL_PALETTE_MAX);
ttywrite(buffer, n, 1);
break;
} else if (pi == 2 && (pa == 1 || pa == 2 || pa == 4)) {
/* sixel graphics geometry (in pixels) */
/* (read, reset and read the maximum value give the same response) */
n = snprintf(buffer, sizeof buffer, "\033[?2;0;%d;%dS",
MIN(term.col * win.cw, DECSIXEL_WIDTH_MAX),
MIN(term.row * win.ch, DECSIXEL_HEIGHT_MAX));
ttywrite(buffer, n, 1);
break;
}
/* the number of color registers and sixel geometry can't be changed */
n = snprintf(buffer, sizeof buffer, "\033[?%d;3;0S", pi); /* failure */
ttywrite(buffer, n, 1);
}
goto unknown;
}
DEFAULT(csiescseq.arg[0], 1);
@ -1536,6 +1600,27 @@ csihandle(void)
case 's': /* DECSC -- Save cursor position (ANSI.SYS) */
tcursor(CURSOR_SAVE);
break;
case 't': /* title stack operations ; XTWINOPS */
switch (csiescseq.arg[0]) {
case 14: /* text area size in pixels */
if (csiescseq.narg > 1)
goto unknown;
n = snprintf(buffer, sizeof buffer, "\033[4;%d;%dt",
term.row * win.ch, term.col * win.cw);
ttywrite(buffer, n, 1);
break;
case 16: /* character cell size in pixels */
n = snprintf(buffer, sizeof buffer, "\033[6;%d;%dt", win.ch, win.cw);
ttywrite(buffer, n, 1);
break;
case 18: /* size of the text area in characters */
n = snprintf(buffer, sizeof buffer, "\033[8;%d;%dt", term.row, term.col);
ttywrite(buffer, n, 1);
break;
default:
goto unknown;
}
break;
case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */
tcursor(CURSOR_LOAD);
break;
@ -1617,6 +1702,11 @@ strhandle(void)
{ defaultbg, "background" },
{ defaultcs, "cursor" }
};
ImageList *im, *newimages, *next, *tail;
int i, x, y, x1, y1, x2, y2, numimages;
int cx, cy;
Line line;
int scr = IS_SET(MODE_ALTSCREEN) ? 0 : term.scr;
term.esc &= ~(ESC_STR_END|ESC_STR);
strparse();
@ -1701,6 +1791,74 @@ strhandle(void)
xsettitle(strescseq.args[0]);
return;
case 'P': /* DCS -- Device Control String */
if (IS_SET(MODE_SIXEL)) {
term.mode &= ~MODE_SIXEL;
if (!sixel_st.image.data) {
sixel_parser_deinit(&sixel_st);
return;
}
cx = IS_SET(MODE_SIXEL_SDM) ? 0 : term.c.x;
cy = IS_SET(MODE_SIXEL_SDM) ? 0 : term.c.y;
if ((numimages = sixel_parser_finalize(&sixel_st, &newimages,
cx, cy + scr, win.cw, win.ch)) <= 0) {
sixel_parser_deinit(&sixel_st);
perror("sixel_parser_finalize() failed");
return;
}
sixel_parser_deinit(&sixel_st);
x1 = newimages->x;
y1 = newimages->y;
x2 = x1 + newimages->cols;
y2 = y1 + numimages;
if (newimages->transparent) {
for (tail = term.images; tail && tail->next; tail = tail->next);
} else {
for (tail = NULL, im = term.images; im; im = next) {
next = im->next;
if (im->x >= x1 && im->x + im->cols <= x2 &&
im->y >= y1 && im->y <= y2) {
delete_image(im);
continue;
}
tail = im;
}
}
if (tail) {
tail->next = newimages;
newimages->prev = tail;
} else {
term.images = newimages;
}
x2 = MIN(x2, term.col);
for (i = 0, im = newimages; im; im = next, i++) {
next = im->next;
scr = IS_SET(MODE_ALTSCREEN) ? 0 : term.scr;
if (IS_SET(MODE_SIXEL_SDM)) {
if (i >= term.row) {
delete_image(im);
continue;
}
im->y = i + scr;
line = term.line[i];
} else {
im->y = term.c.y + scr;
line = term.line[term.c.y];
}
for (x = im->x; x < x2; x++) {
line[x].mode |= ATTR_SIXEL;
}
term.dirty[MIN(im->y, term.row-1)] = 1;
if (!IS_SET(MODE_SIXEL_SDM) && i < numimages-1) {
im->next = NULL;
tnewline(0);
im->next = next;
}
}
/* if mode 8452 is set, sixel scrolling leaves cursor to right of graphic */
if (!IS_SET(MODE_SIXEL_SDM) && IS_SET(MODE_SIXEL_CUR_RT))
term.c.x = MIN(term.c.x + newimages->cols, term.col-1);
}
return;
case '_': /* APC -- Application Program Command */
case '^': /* PM -- Privacy Message */
return;
@ -1879,10 +2037,12 @@ tdectest(char c)
void
tstrsequence(uchar c)
{
strreset();
switch (c) {
case 0x90: /* DCS -- Device Control String */
c = 'P';
term.esc |= ESC_DCS;
break;
case 0x9f: /* APC -- Application Program Command */
c = '_';
@ -1894,7 +2054,6 @@ tstrsequence(uchar c)
c = ']';
break;
}
strreset();
strescseq.type = c;
term.esc |= ESC_STR;
}
@ -1997,6 +2156,38 @@ tcontrolcode(uchar ascii)
term.esc &= ~(ESC_STR_END|ESC_STR);
}
void
dcshandle(void)
{
int bgcolor, transparent;
unsigned char r, g, b, a = 255;
switch (csiescseq.mode[0]) {
default:
unknown:
fprintf(stderr, "erresc: unknown csi ");
csidump();
/* die(""); */
break;
case 'q': /* DECSIXEL */
transparent = (csiescseq.narg >= 2 && csiescseq.arg[1] == 1);
if (IS_TRUECOL(term.c.attr.bg)) {
r = term.c.attr.bg >> 16 & 255;
g = term.c.attr.bg >> 8 & 255;
b = term.c.attr.bg >> 0 & 255;
} else {
xgetcolor(term.c.attr.bg, &r, &g, &b);
if (term.c.attr.bg == defaultbg)
a = dc.col[defaultbg].pixel >> 24 & 255;
}
bgcolor = a << 24 | r << 16 | g << 8 | b;
if (sixel_parser_init(&sixel_st, transparent, (255 << 24), bgcolor, 1, win.cw, win.ch) != 0)
perror("sixel_parser_init() failed");
term.mode |= MODE_SIXEL;
break;
}
}
/*
* returns 1 when the sequence is finished and it hasn't to read
* more characters for this sequence, otherwise 0
@ -2015,6 +2206,7 @@ eschandle(uchar ascii)
term.esc |= ESC_UTF8;
return 0;
case 'P': /* DCS -- Device Control String */
term.esc |= ESC_DCS;
case '_': /* APC -- Application Program Command */
case '^': /* PM -- Privacy Message */
case ']': /* OSC -- Operating System Command */
@ -2118,11 +2310,14 @@ tputc(Rune u)
if (term.esc & ESC_STR) {
if (u == '\a' || u == 030 || u == 032 || u == 033 ||
ISCONTROLC1(u)) {
term.esc &= ~(ESC_START|ESC_STR);
term.esc &= ~(ESC_START|ESC_STR|ESC_DCS);
term.esc |= ESC_STR_END;
goto check_control_code;
}
if (term.esc & ESC_DCS)
goto check_control_code;
if (strescseq.len+len >= strescseq.siz) {
/*
* Here is a bug in terminals. If the user never sends
@ -2176,6 +2371,15 @@ check_control_code:
csihandle();
}
return;
} else if (term.esc & ESC_DCS) {
csiescseq.buf[csiescseq.len++] = u;
if (BETWEEN(u, 0x40, 0x7E)
|| csiescseq.len >= \
sizeof(csiescseq.buf)-1) {
csiparse();
dcshandle();
}
return;
} else if (term.esc & ESC_UTF8) {
tdefutf8(u);
} else if (term.esc & ESC_ALTCHARSET) {
@ -2249,7 +2453,10 @@ twrite(const char *buf, int buflen, int show_ctrl)
int n;
for (n = 0; n < buflen; n += charsize) {
if (IS_SET(MODE_UTF8))
if (IS_SET(MODE_SIXEL) && sixel_st.state != PS_ESC) {
charsize = sixel_parser_parse(&sixel_st, (const unsigned char*)buf + n, buflen - n);
continue;
} else if (IS_SET(MODE_UTF8))
{
/* process a complete utf8 char */
charsize = utf8decode(buf + n, &u, buflen - n);

19
.config/suckless/st/st.h
View File

@ -45,9 +45,26 @@ enum glyph_attribute {
ATTR_WDUMMY = 1 << 11,
ATTR_BOXDRAW = 1 << 13,
ATTR_LIGA = 1 << 15,
ATTR_SIXEL = 1 << 16,
ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
};
typedef struct _ImageList {
struct _ImageList *next, *prev;
unsigned char *pixels;
void *pixmap;
void *clipmask;
int width;
int height;
int x;
int y;
int reflow_y;
int cols;
int cw;
int ch;
int transparent;
} ImageList;
enum drawing_mode {
DRAW_NONE = 0,
DRAW_BG = 1 << 0,
@ -135,6 +152,8 @@ typedef struct {
int charset; /* current charset */
int icharset; /* selected charset for sequence */
int *tabs;
ImageList *images; /* sixel images */
ImageList *images_alt; /* sixel images for alternate screen */
Rune lastc; /* last printed char outside of sequence, 0 if control */
} Term;

121
.config/suckless/st/x.c
View File

@ -21,6 +21,9 @@ char *argv0;
#include "win.h"
#include "hb.h"
#include <Imlib2.h>
#include "sixel.h"
/* X modifiers */
#define XK_ANY_MOD UINT_MAX
#define XK_NO_MOD 0
@ -226,17 +229,29 @@ zoom(const Arg *arg)
Arg larg;
larg.f = usedfontsize + arg->f;
zoomabs(&larg);
if (larg.f >= 1.0)
zoomabs(&larg);
}
void
zoomabs(const Arg *arg)
{
ImageList *im;
xunloadfonts();
xloadfonts(usedfont, arg->f);
xloadsparefonts();
/* deleting old pixmaps forces the new scaled pixmaps to be created */
for (im = term.images; im; im = im->next) {
if (im->pixmap)
XFreePixmap(xw.dpy, (Drawable)im->pixmap);
if (im->clipmask)
XFreePixmap(xw.dpy, (Drawable)im->clipmask);
im->pixmap = NULL;
im->clipmask = NULL;
}
cresize(0, 0);
redraw();
xhints();
@ -1761,6 +1776,110 @@ xdrawline(Line line, int x1, int y1, int x2)
void
xfinishdraw(void)
{
ImageList *im, *next;
Imlib_Image origin, scaled;
XGCValues gcvalues;
GC gc;
int width, height;
int x, x2, del, destx, desty;
Line line;
for (im = term.images; im; im = next) {
next = im->next;
/* do not draw or process the image, if it is not visible */
if (im->x >= term.col || im->y >= term.row || im->y < 0)
continue;
/* scale the image */
width = MAX(im->width * win.cw / im->cw, 1);
height = MAX(im->height * win.ch / im->ch, 1);
if (!im->pixmap) {
im->pixmap = (void *)XCreatePixmap(xw.dpy, xw.win, width, height,
xw.depth
);
if (!im->pixmap)
continue;
if (win.cw == im->cw && win.ch == im->ch) {
XImage ximage = {
.format = ZPixmap,
.data = (char *)im->pixels,
.width = im->width,
.height = im->height,
.xoffset = 0,
.byte_order = sixelbyteorder,
.bitmap_bit_order = MSBFirst,
.bits_per_pixel = 32,
.bytes_per_line = im->width * 4,
.bitmap_unit = 32,
.bitmap_pad = 32,
.depth = xw.depth
};
XPutImage(xw.dpy, (Drawable)im->pixmap, dc.gc, &ximage, 0, 0, 0, 0, width, height);
if (im->transparent)
im->clipmask = (void *)sixel_create_clipmask((char *)im->pixels, width, height);
} else {
origin = imlib_create_image_using_data(im->width, im->height, (DATA32 *)im->pixels);
if (!origin)
continue;
imlib_context_set_image(origin);
imlib_image_set_has_alpha(1);
imlib_context_set_anti_alias(im->transparent ? 0 : 1); /* anti-aliasing messes up the clip mask */
scaled = imlib_create_cropped_scaled_image(0, 0, im->width, im->height, width, height);
imlib_free_image_and_decache();
if (!scaled)
continue;
imlib_context_set_image(scaled);
imlib_image_set_has_alpha(1);
XImage ximage = {
.format = ZPixmap,
.data = (char *)imlib_image_get_data_for_reading_only(),
.width = width,
.height = height,
.xoffset = 0,
.byte_order = sixelbyteorder,
.bitmap_bit_order = MSBFirst,
.bits_per_pixel = 32,
.bytes_per_line = width * 4,
.bitmap_unit = 32,
.bitmap_pad = 32,
.depth = xw.depth
};
XPutImage(xw.dpy, (Drawable)im->pixmap, dc.gc, &ximage, 0, 0, 0, 0, width, height);
if (im->transparent)
im->clipmask = (void *)sixel_create_clipmask((char *)imlib_image_get_data_for_reading_only(), width, height);
imlib_free_image_and_decache();
}
}
/* clip the image so it does not go over to borders */
x2 = MIN(im->x + im->cols, term.col);
width = MIN(width, (x2 - im->x) * win.cw);
/* delete the image if the text cells behind it have been changed */
line = TLINE(im->y);
for (del = 0, x = im->x; x < x2; x++) {
if ((del = !(line[x].mode & ATTR_SIXEL)))
break;
}
if (del) {
delete_image(im);
continue;
}
/* draw the image */
memset(&gcvalues, 0, sizeof(gcvalues));
gcvalues.graphics_exposures = False;
gc = XCreateGC(xw.dpy, xw.win, GCGraphicsExposures, &gcvalues);
destx = borderpx + im->x * win.cw;
desty = borderpx + im->y * win.ch;
if (im->clipmask) {
XSetClipMask(xw.dpy, gc, (Drawable)im->clipmask);
XSetClipOrigin(xw.dpy, gc, destx, desty);
}
XCopyArea(xw.dpy, (Drawable)im->pixmap, xw.buf, gc, 0, 0, width, height, destx, desty);
XFreeGC(xw.dpy, gc);
}
XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, win.w, win.h, 0, 0);
XSetForeground(xw.dpy, dc.gc, dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg].pixel);