Reworking sixel implementation based on veltza's implementation (#117)
* sixel: remove black bars from sixel images When the images don't fully cover the text cells, black bars are added to them. This fix removes those bars, but if you need the old behavior, you can restore it by setting 'sixelremovebars' to zero in config.h * sixel: fix a potential memory leak * sixel: improve behavior with text reflow * sixel: prevent animated gifs from choking the terminal Animated gifs constantly spawn new images that eventually choke the terminal because the old animation frames are kept in the image buffer. This fix removes overlapping images from the image buffer and prevents them from piling up. * sixel: add zooming and clipping * sixel: copying bulk of changes * sixel: move sixel_parser_parse() and add missing sequences and blocks (#113) - Move sixel_parser_parse() from tputc() to twrite() - Add missing 8452, DECSDM, XTSMGRAPHICS and XTWINOPS sequences - Add more conditional blocks for the scrollback and sync patches - Remove unused reflow_y from ImageList. It is only used for the scrollback-reflow patch in st-sx. * sixel: update vtiden to VT200 family * sixel: fix scrolling issues inside tmux (#114) tmux is using the scrolling region and sequence to clear the screen below the shell prompt. This peculiar behavior caused the tscrollup() function to be called, which always scrolled the images regardless of whether they were inside the region or not. So the images moved out of place whenever the bottom of the screen was cleared. This fix checks that the images are inside the region before scrolling them. * sixel: prevent images from being deleted when resizing (#115) This fixes resizing issues outside of tmux not inside. * Rewriting tresize logic based on veltza's proposed implementation in PR #115 * tresize: correction for tscrollup call when scrollback patch is used --------- Co-authored-by: veltza <106755522+veltza@users.noreply.github.com>
This commit is contained in:
Stein Gunnar Bakkeby
GitHub
parent
2e0e84d56a
commit
677c2da0be
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@ -54,7 +54,10 @@ char *stty_args = "stty raw pass8 nl -echo -iexten -cstopb 38400";
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/* identification sequence returned in DA and DECID */
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#if SIXEL_PATCH
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char *vtiden = "\033[?12;4c";
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char *vtiden = "\033[?62;4c"; /* VT200 family (62) with sixel (4) */
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/* sixel rgb byte order: LSBFirst or MSBFirst */
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int const sixelbyteorder = LSBFirst;
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#else
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char *vtiden = "\033[?6c";
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#endif
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@ -13,10 +13,10 @@ X11LIB = /usr/X11R6/lib
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PKG_CONFIG = pkg-config
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# Uncomment this for the alpha patch / ALPHA_PATCH
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#XRENDER = -lXrender
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#XRENDER = `$(PKG_CONFIG) --libs xrender`
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# Uncomment this for the themed cursor patch / THEMED_CURSOR_PATCH
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#XCURSOR = -lXcursor
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#XCURSOR = `$(PKG_CONFIG) --libs xcursor`
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# Uncomment the lines below for the ligatures patch / LIGATURES_PATCH
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#LIGATURES_C = hb.c
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@ -26,13 +26,14 @@ PKG_CONFIG = pkg-config
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# Uncomment this for the SIXEL patch / SIXEL_PATCH
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#SIXEL_C = sixel.c sixel_hls.c
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#SIXEL_LIBS = `$(PKG_CONFIG) --libs imlib2`
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# includes and libs, uncomment harfbuzz for the ligatures patch
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INCS = -I$(X11INC) \
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`$(PKG_CONFIG) --cflags fontconfig` \
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`$(PKG_CONFIG) --cflags freetype2` \
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$(LIGATURES_INC)
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LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft ${XRENDER} ${XCURSOR}\
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LIBS = -L$(X11LIB) -lm -lrt -lX11 -lutil -lXft ${SIXEL_LIBS} ${XRENDER} ${XCURSOR}\
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`$(PKG_CONFIG) --libs fontconfig` \
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`$(PKG_CONFIG) --libs freetype2` \
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$(LIGATURES_LIBS)
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@ -1,57 +0,0 @@
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sixel_state_t sixel_st;
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void
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dcshandle(void)
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{
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int bgcolor;
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unsigned char r, g, b, a = 255;
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switch (csiescseq.mode[0]) {
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default:
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fprintf(stderr, "erresc: unknown csi ");
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csidump();
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/* die(""); */
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break;
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case 'q': /* DECSIXEL */
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if (IS_TRUECOL(term.c.attr.bg)) {
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r = term.c.attr.bg >> 16 & 255;
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g = term.c.attr.bg >> 8 & 255;
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b = term.c.attr.bg >> 0 & 255;
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} else {
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xgetcolor(term.c.attr.bg, &r, &g, &b);
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#if ALPHA_PATCH
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if (term.c.attr.bg == defaultbg)
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a = dc.col[defaultbg].pixel >> 24 & 255;
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#endif // ALPHA_PATCH
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}
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bgcolor = a << 24 | b << 16 | g << 8 | r;
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if (sixel_parser_init(&sixel_st, 255 << 24, bgcolor, 1, win.cw, win.ch) != 0)
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perror("sixel_parser_init() failed");
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term.mode |= MODE_SIXEL;
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break;
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}
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}
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void
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scroll_images(int n) {
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ImageList *im;
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int tmp;
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/* maximum sixel distance in lines from current view before
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* deallocation
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* TODO: should be in config.h */
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int max_sixel_distance = 10000;
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for (im = term.images; im; im = im->next) {
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im->y += n;
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/* check if the current sixel has exceeded the maximum
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* draw distance, and should therefore be deleted */
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tmp = im->y;
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if (tmp < 0) { tmp = tmp * -1; }
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if (tmp > max_sixel_distance) {
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fprintf(stderr, "im@0x%08x exceeded maximum distance\n");
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im->should_delete = 1;
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}
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}
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}
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@ -1,2 +0,0 @@
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static void dcshandle(void);
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static void scroll_images(int n);
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@ -1,14 +0,0 @@
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void
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delete_image(ImageList *im)
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{
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if (im->prev)
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im->prev->next = im->next;
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else
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term.images = im->next;
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if (im->next)
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im->next->prev = im->prev;
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if (im->pixmap)
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XFreePixmap(xw.dpy, (Drawable)im->pixmap);
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free(im->pixels);
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free(im);
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}
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@ -20,9 +20,6 @@
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#if SCROLLBACK_PATCH || SCROLLBACK_MOUSE_PATCH || SCROLLBACK_MOUSE_ALTSCREEN_PATCH
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#include "scrollback.c"
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#endif
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#if SIXEL_PATCH
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#include "sixel_st.c"
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#endif
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#if SYNC_PATCH
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#include "sync.c"
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#endif
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@ -23,9 +23,6 @@
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#if SCROLLBACK_PATCH || SCROLLBACK_MOUSE_PATCH || SCROLLBACK_MOUSE_ALTSCREEN_PATCH
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#include "scrollback.h"
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#endif
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#if SIXEL_PATCH
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#include "sixel_st.h"
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#endif
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#if SYNC_PATCH
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#include "sync.h"
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#endif
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@ -32,9 +32,6 @@
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#if RIGHTCLICKTOPLUMB_PATCH
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#include "rightclicktoplumb_x.c"
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#endif
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#if SIXEL_PATCH
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#include "sixel_x.c"
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#endif
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#if ST_EMBEDDER_PATCH
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#include "st_embedder_x.c"
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#endif
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279
sixel.c
279
sixel.c
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@ -5,10 +5,12 @@
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#include <stdlib.h>
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#include <string.h> /* memcpy */
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#include "st.h"
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#include "win.h"
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#include "sixel.h"
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#include "sixel_hls.h"
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#define SIXEL_RGB(r, g, b) ((r) + ((g) << 8) + ((b) << 16) + (255 << 24))
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#define SIXEL_RGB(r, g, b) ((255 << 24) + ((r) << 16) + ((g) << 8) + (b))
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#define SIXEL_PALVAL(n,a,m) (((n) * (a) + ((m) / 2)) / (m))
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#define SIXEL_XRGB(r,g,b) SIXEL_RGB(SIXEL_PALVAL(r, 255, 100), SIXEL_PALVAL(g, 255, 100), SIXEL_PALVAL(b, 255, 100))
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@ -31,6 +33,43 @@ static sixel_color_t const sixel_default_color_table[] = {
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SIXEL_XRGB(80, 80, 80), /* 15 Gray 75% */
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};
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void
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scroll_images(int n) {
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ImageList *im, *next;
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#if SCROLLBACK_PATCH
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int top = tisaltscr() ? 0 : term.scr - HISTSIZE;
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#else
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int top = 0;
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#endif // SCROLLBACK_PATCH
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for (im = term.images; im; im = next) {
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next = im->next;
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im->y += n;
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/* check if the current sixel has exceeded the maximum
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* draw distance, and should therefore be deleted */
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if (im->y < top) {
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//fprintf(stderr, "im@0x%08x exceeded maximum distance\n");
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delete_image(im);
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}
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}
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}
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void
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delete_image(ImageList *im)
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{
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if (im->prev)
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im->prev->next = im->next;
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else
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term.images = im->next;
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if (im->next)
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im->next->prev = im->prev;
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if (im->pixmap)
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XFreePixmap(xw.dpy, (Drawable)im->pixmap);
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free(im->pixels);
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free(im);
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}
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static int
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set_default_color(sixel_image_t *image)
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{
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@ -171,6 +210,7 @@ end:
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static void
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sixel_image_deinit(sixel_image_t *image)
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{
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if (image->data)
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free(image->data);
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image->data = NULL;
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}
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@ -212,15 +252,19 @@ sixel_parser_set_default_color(sixel_state_t *st)
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}
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int
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sixel_parser_finalize(sixel_state_t *st, unsigned char **pixels)
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sixel_parser_finalize(sixel_state_t *st, ImageList **newimages, int cx, int cy, int cw, int ch)
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{
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int status = (-1);
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sixel_image_t *image = &st->image;
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int x, y;
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sixel_color_no_t *src;
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unsigned char *dst;
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sixel_color_t *dst;
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int color;
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int w, h;
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int i, j, cols, numimages;
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ImageList *im, *next, *tail;
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if (!image->data)
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return -1;
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if (++st->max_x < st->attributed_ph)
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st->max_x = st->attributed_ph;
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@ -229,62 +273,83 @@ sixel_parser_finalize(sixel_state_t *st, unsigned char **pixels)
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st->max_y = st->attributed_pv;
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if (image->use_private_register && image->ncolors > 2 && !image->palette_modified) {
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status = set_default_color(image);
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if (status < 0)
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goto end;
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if (set_default_color(image) < 0)
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return -1;
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}
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w = st->max_x < image->width ? st->max_x : image->width;
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h = st->max_y < image->height ? st->max_y : image->height;
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w = MIN(st->max_x, image->width);
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h = MIN(st->max_y, image->height);
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*pixels = malloc(w * h * 4);
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if (*pixels == NULL)
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goto end;
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if ((numimages = (h + ch-1) / ch) <= 0)
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return -1;
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src = st->image.data;
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dst = *pixels;
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for (y = 0; y < h; y++) {
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cols = (w + cw-1) / cw;
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*newimages = NULL, tail = NULL;
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for (y = 0, i = 0; i < numimages; i++) {
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if ((im = malloc(sizeof(ImageList)))) {
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if (!tail) {
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*newimages = tail = im;
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im->prev = im->next = NULL;
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} else {
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tail->next = im;
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im->prev = tail;
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im->next = NULL;
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tail = im;
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}
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im->x = cx;
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im->y = cy + i;
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im->cols = cols;
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im->width = w;
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im->height = MIN(h - ch * i, ch);
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im->pixels = malloc(im->width * im->height * 4);
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im->pixmap = NULL;
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im->cw = cw;
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im->ch = ch;
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}
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if (!im || !im->pixels) {
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for (im = *newimages; im; im = next) {
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next = im->next;
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if (im->pixels)
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free(im->pixels);
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free(im);
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}
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*newimages = NULL;
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return -1;
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}
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dst = (sixel_color_t *)im->pixels;
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for (j = 0; j < im->height && y < h; j++, y++) {
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src = st->image.data + image->width * y;
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for (x = 0; x < w; ++x) {
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color = st->image.palette[*src++];
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*dst++ = color >> 16 & 0xff; /* b */
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*dst++ = color >> 8 & 0xff; /* g */
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*dst++ = color >> 0 & 0xff; /* r */
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*dst++ = color >> 24 & 0xff; /* a */
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for (x = 0; x < w; x++)
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*dst++ = st->image.palette[*src++];
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}
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}
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image->width = w;
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image->height = h;
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status = (0);
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end:
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return status;
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return numimages;
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}
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/* convert sixel data into indexed pixel bytes and palette data */
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int
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sixel_parser_parse(sixel_state_t *st, unsigned char *p, size_t len)
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sixel_parser_parse(sixel_state_t *st, const unsigned char *p, size_t len)
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{
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int status = (-1);
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int n;
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int n = 0;
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int i;
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int x;
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int y;
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int bits;
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int sixel_vertical_mask;
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int sx;
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int sy;
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int c;
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int pos;
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unsigned char *p0 = p;
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int width;
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const unsigned char *p0 = p, *p2 = p + len;
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sixel_image_t *image = &st->image;
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sixel_color_no_t *data, color_index;
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if (!image->data)
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goto end;
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st->state = PS_ERROR;
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while (p < p0 + len) {
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while (p < p2) {
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switch (st->state) {
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case PS_ESC:
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goto end;
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@ -293,7 +358,6 @@ sixel_parser_parse(sixel_state_t *st, unsigned char *p, size_t len)
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switch (*p) {
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case '\x1b':
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st->state = PS_ESC;
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p++;
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break;
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case '"':
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st->param = 0;
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@ -338,14 +402,15 @@ sixel_parser_parse(sixel_state_t *st, unsigned char *p, size_t len)
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sy *= 2;
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}
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if (sx > DECSIXEL_WIDTH_MAX)
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sx = DECSIXEL_WIDTH_MAX;
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if (sy > DECSIXEL_HEIGHT_MAX)
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sy = DECSIXEL_HEIGHT_MAX;
|
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sx = MIN(sx, DECSIXEL_WIDTH_MAX);
|
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sy = MIN(sy, DECSIXEL_HEIGHT_MAX);
|
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|
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status = image_buffer_resize(image, sx, sy);
|
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if (status < 0)
|
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goto end;
|
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if (image_buffer_resize(image, sx, sy) < 0) {
|
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perror("sixel_parser_parse() failed");
|
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st->state = PS_ERROR;
|
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p++;
|
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break;
|
||||
}
|
||||
}
|
||||
|
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if (st->color_index > image->ncolors)
|
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|
@ -357,43 +422,44 @@ sixel_parser_parse(sixel_state_t *st, unsigned char *p, size_t len)
|
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if (st->repeat_count > 0 && st->pos_y + 5 < image->height) {
|
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bits = *p - '?';
|
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if (bits != 0) {
|
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sixel_vertical_mask = 0x01;
|
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data = image->data + image->width * st->pos_y + st->pos_x;
|
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width = image->width;
|
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color_index = st->color_index;
|
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if (st->repeat_count <= 1) {
|
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for (i = 0; i < 6; i++) {
|
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if ((bits & sixel_vertical_mask) != 0) {
|
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pos = image->width * (st->pos_y + i) + st->pos_x;
|
||||
image->data[pos] = st->color_index;
|
||||
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;
|
||||
if (st->max_y < (st->pos_y + i))
|
||||
st->max_y = st->pos_y + i;
|
||||
}
|
||||
sixel_vertical_mask <<= 1;
|
||||
}
|
||||
} else {
|
||||
/* st->repeat_count > 1 */
|
||||
for (i = 0; i < 6; i++) {
|
||||
if ((bits & sixel_vertical_mask) != 0) {
|
||||
c = sixel_vertical_mask << 1;
|
||||
for (n = 1; (i + n) < 6; n++) {
|
||||
if ((bits & c) == 0)
|
||||
break;
|
||||
c <<= 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;
|
||||
}
|
||||
for (y = st->pos_y + i; y < st->pos_y + i + n; ++y) {
|
||||
for (x = st->pos_x; x < st->pos_x + st->repeat_count; ++x)
|
||||
image->data[image->width * y + x] = st->color_index;
|
||||
}
|
||||
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 + i + n - 1))
|
||||
st->max_y = st->pos_y + i + n - 1;
|
||||
i += (n - 1);
|
||||
sixel_vertical_mask <<= (n - 1);
|
||||
}
|
||||
sixel_vertical_mask <<= 1;
|
||||
}
|
||||
}
|
||||
if (st->max_y < (st->pos_y + n))
|
||||
st->max_y = st->pos_y + n;
|
||||
}
|
||||
}
|
||||
if (st->repeat_count > 0)
|
||||
|
|
@ -410,7 +476,6 @@ sixel_parser_parse(sixel_state_t *st, unsigned char *p, size_t len)
|
|||
switch (*p) {
|
||||
case '\x1b':
|
||||
st->state = PS_ESC;
|
||||
p++;
|
||||
break;
|
||||
case '0':
|
||||
case '1':
|
||||
|
|
@ -423,8 +488,7 @@ sixel_parser_parse(sixel_state_t *st, unsigned char *p, size_t len)
|
|||
case '8':
|
||||
case '9':
|
||||
st->param = st->param * 10 + *p - '0';
|
||||
if (st->param > DECSIXEL_PARAMVALUE_MAX)
|
||||
st->param = DECSIXEL_PARAMVALUE_MAX;
|
||||
st->param = MIN(st->param, DECSIXEL_PARAMVALUE_MAX);
|
||||
p++;
|
||||
break;
|
||||
case ';':
|
||||
|
|
@ -452,27 +516,22 @@ sixel_parser_parse(sixel_state_t *st, unsigned char *p, size_t len)
|
|||
|
||||
if (image->width < st->attributed_ph ||
|
||||
image->height < st->attributed_pv) {
|
||||
sx = st->attributed_ph;
|
||||
if (image->width > st->attributed_ph)
|
||||
sx = image->width;
|
||||
|
||||
sy = st->attributed_pv;
|
||||
if (image->height > st->attributed_pv)
|
||||
sy = image->height;
|
||||
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 in
|
||||
* sixel_parser_parse() */
|
||||
* to avoid unnecessary resizing of the image buffer when
|
||||
* parsing the last sixel line */
|
||||
sy = (sy + 5) / 6 * 6;
|
||||
|
||||
if (sx > DECSIXEL_WIDTH_MAX)
|
||||
sx = DECSIXEL_WIDTH_MAX;
|
||||
if (sy > DECSIXEL_HEIGHT_MAX)
|
||||
sy = DECSIXEL_HEIGHT_MAX;
|
||||
sx = MIN(sx, DECSIXEL_WIDTH_MAX);
|
||||
sy = MIN(sy, DECSIXEL_HEIGHT_MAX);
|
||||
|
||||
status = image_buffer_resize(image, sx, sy);
|
||||
if (status < 0)
|
||||
goto end;
|
||||
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;
|
||||
|
|
@ -485,7 +544,6 @@ sixel_parser_parse(sixel_state_t *st, unsigned char *p, size_t len)
|
|||
switch (*p) {
|
||||
case '\x1b':
|
||||
st->state = PS_ESC;
|
||||
p++;
|
||||
break;
|
||||
case '0':
|
||||
case '1':
|
||||
|
|
@ -498,14 +556,11 @@ sixel_parser_parse(sixel_state_t *st, unsigned char *p, size_t len)
|
|||
case '8':
|
||||
case '9':
|
||||
st->param = st->param * 10 + *p - '0';
|
||||
if (st->param > DECSIXEL_PARAMVALUE_MAX)
|
||||
st->param = DECSIXEL_PARAMVALUE_MAX;
|
||||
st->param = MIN(st->param, DECSIXEL_PARAMVALUE_MAX);
|
||||
p++;
|
||||
break;
|
||||
default:
|
||||
st->repeat_count = st->param;
|
||||
if (st->repeat_count == 0)
|
||||
st->repeat_count = 1;
|
||||
st->repeat_count = MAX(st->param, 1);
|
||||
st->state = PS_DECSIXEL;
|
||||
st->param = 0;
|
||||
st->nparams = 0;
|
||||
|
|
@ -518,7 +573,6 @@ sixel_parser_parse(sixel_state_t *st, unsigned char *p, size_t len)
|
|||
switch (*p) {
|
||||
case '\x1b':
|
||||
st->state = PS_ESC;
|
||||
p++;
|
||||
break;
|
||||
case '0':
|
||||
case '1':
|
||||
|
|
@ -531,8 +585,7 @@ sixel_parser_parse(sixel_state_t *st, unsigned char *p, size_t len)
|
|||
case '8':
|
||||
case '9':
|
||||
st->param = st->param * 10 + *p - '0';
|
||||
if (st->param > DECSIXEL_PARAMVALUE_MAX)
|
||||
st->param = DECSIXEL_PARAMVALUE_MAX;
|
||||
st->param = MIN(st->param, DECSIXEL_PARAMVALUE_MAX);
|
||||
p++;
|
||||
break;
|
||||
case ';':
|
||||
|
|
@ -559,22 +612,16 @@ sixel_parser_parse(sixel_state_t *st, unsigned char *p, size_t len)
|
|||
st->image.palette_modified = 1;
|
||||
if (st->params[1] == 1) {
|
||||
/* HLS */
|
||||
if (st->params[2] > 360)
|
||||
st->params[2] = 360;
|
||||
if (st->params[3] > 100)
|
||||
st->params[3] = 100;
|
||||
if (st->params[4] > 100)
|
||||
st->params[4] = 100;
|
||||
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 */
|
||||
if (st->params[2] > 100)
|
||||
st->params[2] = 100;
|
||||
if (st->params[3] > 100)
|
||||
st->params[3] = 100;
|
||||
if (st->params[4] > 100)
|
||||
st->params[4] = 100;
|
||||
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]);
|
||||
}
|
||||
|
|
@ -582,15 +629,21 @@ sixel_parser_parse(sixel_state_t *st, unsigned char *p, size_t len)
|
|||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
case PS_ERROR:
|
||||
if (*p == '\x1b') {
|
||||
st->state = PS_ESC;
|
||||
goto end;
|
||||
}
|
||||
p++;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
status = (0);
|
||||
|
||||
end:
|
||||
return status;
|
||||
return p - p0;
|
||||
}
|
||||
|
||||
void
|
||||
|
|
|
|||
7
sixel.h
7
sixel.h
|
|
@ -26,6 +26,7 @@ typedef enum parse_state {
|
|||
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 {
|
||||
|
|
@ -49,10 +50,12 @@ typedef struct parser_context {
|
|||
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, 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, unsigned char *p, size_t len);
|
||||
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, unsigned char **pixels);
|
||||
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);
|
||||
|
||||
#endif
|
||||
|
|
|
|||
544
st.c
544
st.c
|
|
@ -14,6 +14,7 @@
|
|||
#include <sys/types.h>
|
||||
#include <sys/wait.h>
|
||||
#include <termios.h>
|
||||
#include <time.h>
|
||||
#include <unistd.h>
|
||||
#include <wchar.h>
|
||||
|
||||
|
|
@ -73,6 +74,8 @@ enum term_mode {
|
|||
MODE_UTF8 = 1 << 6,
|
||||
#if SIXEL_PATCH
|
||||
MODE_SIXEL = 1 << 7,
|
||||
MODE_SIXEL_CUR_RT = 1 << 8,
|
||||
MODE_SIXEL_SDM = 1 << 9
|
||||
#endif // SIXEL_PATCH
|
||||
};
|
||||
|
||||
|
|
@ -163,6 +166,9 @@ static void ttywriteraw(const char *, size_t);
|
|||
|
||||
static void csidump(void);
|
||||
static void csihandle(void);
|
||||
#if SIXEL_PATCH
|
||||
static void dcshandle(void);
|
||||
#endif // SIXEL_PATCH
|
||||
#if UNDERCURL_PATCH
|
||||
static void readcolonargs(char **, int, int[][CAR_PER_ARG]);
|
||||
#endif // UNDERCURL_PATCH
|
||||
|
|
@ -183,6 +189,9 @@ static void tdump(void);
|
|||
static void tclearregion(int, int, int, int);
|
||||
static void tcursor(int);
|
||||
static void tdeletechar(int);
|
||||
#if SIXEL_PATCH
|
||||
static void tdeleteimages(void);
|
||||
#endif // SIXEL_PATCH
|
||||
static void tdeleteline(int);
|
||||
static void tinsertblank(int);
|
||||
static void tinsertblankline(int);
|
||||
|
|
@ -1358,12 +1367,11 @@ treset(void)
|
|||
#else
|
||||
tclearregion(0, 0, term.col-1, term.row-1);
|
||||
#endif // COLUMNS_PATCH
|
||||
#if SIXEL_PATCH
|
||||
tdeleteimages();
|
||||
#endif // SIXEL_PATCH
|
||||
tswapscreen();
|
||||
}
|
||||
#if SIXEL_PATCH
|
||||
for (im = term.images; im; im = im->next)
|
||||
im->should_delete = 1;
|
||||
#endif // SIXEL_PATCH
|
||||
}
|
||||
|
||||
void
|
||||
|
|
@ -1405,6 +1413,16 @@ tscrolldown(int orig, int n)
|
|||
#endif // VIM_BROWSE_PATCH
|
||||
int i;
|
||||
Line temp;
|
||||
#if SIXEL_PATCH
|
||||
int bot = term.bot;
|
||||
#if SCROLLBACK_PATCH
|
||||
int scr = IS_SET(MODE_ALTSCREEN) ? 0 : term.scr;
|
||||
#else
|
||||
int scr = 0;
|
||||
#endif // SCROLLBACK_PATCH
|
||||
int itop = orig + scr, ibot = bot + scr;
|
||||
ImageList *im, *next;
|
||||
#endif // SIXEL_PATCH
|
||||
|
||||
LIMIT(n, 0, term.bot-orig+1);
|
||||
|
||||
|
|
@ -1423,11 +1441,12 @@ tscrolldown(int orig, int n)
|
|||
|
||||
#if SIXEL_PATCH
|
||||
/* move images, if they are inside the scrolling region */
|
||||
ImageList *im;
|
||||
for (im = term.images; im; im = im->next) {
|
||||
if (im->y * win.ch + im->height > orig * win.ch && im->y <= term.bot) {
|
||||
for (im = term.images; im; im = next) {
|
||||
next = im->next;
|
||||
if (im->y >= itop && im->y <= ibot) {
|
||||
im->y += n;
|
||||
im->should_delete |= (im->y >= term.row);
|
||||
if (im->y > ibot)
|
||||
delete_image(im);
|
||||
}
|
||||
}
|
||||
#endif // SIXEL_PATCH
|
||||
|
|
@ -1457,6 +1476,16 @@ tscrollup(int orig, int n)
|
|||
#endif // VIM_BROWSE_PATCH
|
||||
int i;
|
||||
Line temp;
|
||||
#if SIXEL_PATCH
|
||||
int bot = term.bot;
|
||||
#if SCROLLBACK_PATCH
|
||||
int scr = IS_SET(MODE_ALTSCREEN) ? 0 : term.scr;
|
||||
#else
|
||||
int scr = 0;
|
||||
#endif // SCROLLBACK_PATCH
|
||||
int itop = orig + scr, ibot = bot + scr;
|
||||
ImageList *im, *next;
|
||||
#endif // SIXEL_PATCH
|
||||
|
||||
LIMIT(n, 0, term.bot-orig+1);
|
||||
|
||||
|
|
@ -1490,11 +1519,45 @@ tscrollup(int orig, int n)
|
|||
|
||||
#if SIXEL_PATCH
|
||||
#if SCROLLBACK_PATCH
|
||||
if (term.scr == 0)
|
||||
scroll_images(-1 * n);
|
||||
if (IS_SET(MODE_ALTSCREEN) || !copyhist || orig != 0) {
|
||||
/* 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 >= orig && im->y <= bot) {
|
||||
im->y -= n;
|
||||
if (im->y < orig)
|
||||
im->y -= orig; // move to scrollback
|
||||
}
|
||||
if (im->y < -HISTSIZE)
|
||||
delete_image(im);
|
||||
else
|
||||
im->y += term.scr;
|
||||
}
|
||||
}
|
||||
#else
|
||||
scroll_images(-1 * n);
|
||||
#endif
|
||||
/* 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);
|
||||
}
|
||||
}
|
||||
#endif // SCROLLBACK_PATCH
|
||||
#endif // SIXEL_PATCH
|
||||
|
||||
#if SCROLLBACK_PATCH
|
||||
|
|
@ -1743,6 +1806,19 @@ tinsertblankline(int n)
|
|||
tscrolldown(term.c.y, n);
|
||||
}
|
||||
|
||||
#if SIXEL_PATCH
|
||||
void
|
||||
tdeleteimages(void)
|
||||
{
|
||||
ImageList *im, *next;
|
||||
|
||||
for (im = term.images; im; im = next) {
|
||||
next = im->next;
|
||||
delete_image(im);
|
||||
}
|
||||
}
|
||||
#endif // SIXEL_PATCH
|
||||
|
||||
void
|
||||
tdeleteline(int n)
|
||||
{
|
||||
|
|
@ -2079,6 +2155,14 @@ tsetmode(int priv, int set, const int *args, int narg)
|
|||
and can be mistaken for other control
|
||||
codes. */
|
||||
break;
|
||||
#if SIXEL_PATCH
|
||||
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;
|
||||
#endif // SIXEL_PATCH
|
||||
default:
|
||||
fprintf(stderr,
|
||||
"erresc: unknown private set/reset mode %d\n",
|
||||
|
|
@ -2117,7 +2201,8 @@ csihandle(void)
|
|||
char buffer[40];
|
||||
int len;
|
||||
#if SIXEL_PATCH
|
||||
ImageList *im;
|
||||
ImageList *im, *next;
|
||||
int n, pi, pa;
|
||||
#endif // SIXEL_PATCH
|
||||
#if COLUMNS_PATCH && !VIM_BROWSE_PATCH
|
||||
int maxcol = term.maxcol;
|
||||
|
|
@ -2259,10 +2344,8 @@ csihandle(void)
|
|||
#endif // SCROLLBACK_PATCH
|
||||
|
||||
tclearregion(0, 0, maxcol-1, term.row-1);
|
||||
|
||||
#if SIXEL_PATCH
|
||||
for (im = term.images; im; im = im->next)
|
||||
im->should_delete = 1;
|
||||
tdeleteimages();
|
||||
#endif // SIXEL_PATCH
|
||||
break;
|
||||
case 3: /* scrollback */
|
||||
|
|
@ -2291,16 +2374,17 @@ csihandle(void)
|
|||
}
|
||||
#endif // SCROLLBACK_PATCH
|
||||
#if SIXEL_PATCH
|
||||
if (!IS_SET(MODE_ALTSCREEN)) {
|
||||
for (im = term.images; im; im = im->next)
|
||||
im->should_delete |= (im->y * win.ch + im->height <= 0);
|
||||
for (im = term.images; im; im = next) {
|
||||
next = im->next;
|
||||
if (im->y < 0)
|
||||
delete_image(im);
|
||||
}
|
||||
#endif // SIXEL_PATCH
|
||||
break;
|
||||
#if SIXEL_PATCH
|
||||
case 6: /* sixels */
|
||||
for (im = term.images; im; im = im->next)
|
||||
im->should_delete = 1;
|
||||
tdeleteimages();
|
||||
tfulldirt();
|
||||
break;
|
||||
#endif // SIXEL_PATCH
|
||||
default:
|
||||
|
|
@ -2321,9 +2405,35 @@ csihandle(void)
|
|||
break;
|
||||
}
|
||||
break;
|
||||
case 'S': /* SU -- Scroll <n> line up */
|
||||
if (csiescseq.priv)
|
||||
case 'S': /* SU -- Scroll <n> line up ; XTSMGRAPHICS */
|
||||
if (csiescseq.priv) {
|
||||
#if SIXEL_PATCH
|
||||
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);
|
||||
}
|
||||
#endif // SIXEL_PATCH
|
||||
goto unknown;
|
||||
}
|
||||
DEFAULT(csiescseq.arg[0], 1);
|
||||
#if SIXEL_PATCH && SCROLLBACK_PATCH
|
||||
tscrollup(term.top, csiescseq.arg[0], 1);
|
||||
|
|
@ -2343,12 +2453,6 @@ csihandle(void)
|
|||
break;
|
||||
case 'l': /* RM -- Reset Mode */
|
||||
tsetmode(csiescseq.priv, 0, csiescseq.arg, csiescseq.narg);
|
||||
#if SIXEL_PATCH
|
||||
if (IS_SET(MODE_ALTSCREEN)) {
|
||||
for (im = term.images; im; im = im->next)
|
||||
im->should_delete = 1;
|
||||
}
|
||||
#endif // SIXEL_PATCH
|
||||
break;
|
||||
case 'M': /* DL -- Delete <n> lines */
|
||||
DEFAULT(csiescseq.arg[0], 1);
|
||||
|
|
@ -2404,9 +2508,27 @@ csihandle(void)
|
|||
case 's': /* DECSC -- Save cursor position (ANSI.SYS) */
|
||||
tcursor(CURSOR_SAVE);
|
||||
break;
|
||||
#if CSI_22_23_PATCH
|
||||
case 't': /* title stack operations */
|
||||
#if CSI_22_23_PATCH | SIXEL_PATCH
|
||||
case 't': /* title stack operations ; XTWINOPS */
|
||||
switch (csiescseq.arg[0]) {
|
||||
#if SIXEL_PATCH
|
||||
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;
|
||||
#endif // SIXEL_PATCH
|
||||
#if CSI_22_23_PATCH
|
||||
case 22: /* pust current title on stack */
|
||||
switch (csiescseq.arg[1]) {
|
||||
case 0:
|
||||
|
|
@ -2429,11 +2551,12 @@ csihandle(void)
|
|||
goto unknown;
|
||||
}
|
||||
break;
|
||||
#endif // CSI_22_23_PATCH
|
||||
default:
|
||||
goto unknown;
|
||||
}
|
||||
break;
|
||||
#endif // CSI_22_23_PATCH
|
||||
#endif // CSI_22_23_PATCH | SIXEL_PATCH
|
||||
case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */
|
||||
tcursor(CURSOR_LOAD);
|
||||
break;
|
||||
|
|
@ -2522,8 +2645,15 @@ strhandle(void)
|
|||
char *p = NULL, *dec;
|
||||
int j, narg, par;
|
||||
#if SIXEL_PATCH
|
||||
ImageList *new_image;
|
||||
int i;
|
||||
ImageList *im, *newimages, *next, *tail;
|
||||
int i, x, y, x1, y1, x2, y2, numimages;
|
||||
int cx, cy;
|
||||
Line line;
|
||||
#if SCROLLBACK_PATCH
|
||||
int scr = IS_SET(MODE_ALTSCREEN) ? 0 : term.scr;
|
||||
#else
|
||||
int scr = 0;
|
||||
#endif // SCROLLBACK_PATCH
|
||||
#endif // SIXEL_PATCH
|
||||
|
||||
term.esc &= ~(ESC_STR_END|ESC_STR);
|
||||
|
|
@ -2650,36 +2780,70 @@ strhandle(void)
|
|||
#if SIXEL_PATCH
|
||||
if (IS_SET(MODE_SIXEL)) {
|
||||
term.mode &= ~MODE_SIXEL;
|
||||
new_image = malloc(sizeof(ImageList));
|
||||
memset(new_image, 0, sizeof(ImageList));
|
||||
if (sixel_parser_finalize(&sixel_st, &new_image->pixels) != 0) {
|
||||
perror("sixel_parser_finalize() failed");
|
||||
if (!sixel_st.image.data) {
|
||||
sixel_parser_deinit(&sixel_st);
|
||||
free(new_image);
|
||||
return;
|
||||
}
|
||||
new_image->x = term.c.x;
|
||||
new_image->y = term.c.y;
|
||||
new_image->width = sixel_st.image.width;
|
||||
new_image->height = sixel_st.image.height;
|
||||
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);
|
||||
if (term.images) {
|
||||
ImageList *im;
|
||||
for (im = term.images; im->next;)
|
||||
im = im->next;
|
||||
im->next = new_image;
|
||||
new_image->prev = im;
|
||||
perror("sixel_parser_finalize() failed");
|
||||
return;
|
||||
}
|
||||
sixel_parser_deinit(&sixel_st);
|
||||
x1 = newimages->x;
|
||||
y1 = newimages->y;
|
||||
x2 = x1 + newimages->cols;
|
||||
y2 = y1 + numimages;
|
||||
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 = new_image;
|
||||
term.images = newimages;
|
||||
}
|
||||
for (i = 0; i < (sixel_st.image.height + win.ch-1)/win.ch; ++i) {
|
||||
int x;
|
||||
tclearregion(term.c.x, term.c.y, term.c.x+(sixel_st.image.width+win.cw-1)/win.cw-1, term.c.y);
|
||||
for (x = term.c.x; x < MIN(term.col, term.c.x+(sixel_st.image.width+win.cw-1)/win.cw); x++)
|
||||
term.line[term.c.y][x].mode |= ATTR_SIXEL;
|
||||
x2 = MIN(x2, term.col);
|
||||
for (i = 0, im = newimages; im; im = next, i++) {
|
||||
next = im->next;
|
||||
#if SCROLLBACK_PATCH
|
||||
scr = IS_SET(MODE_ALTSCREEN) ? 0 : term.scr;
|
||||
#endif // SCROLLBACK_PATCH
|
||||
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].u = ' ';
|
||||
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);
|
||||
}
|
||||
#endif // SIXEL_PATCH
|
||||
#if SYNC_PATCH
|
||||
/* https://gitlab.com/gnachman/iterm2/-/wikis/synchronized-updates-spec */
|
||||
|
|
@ -3009,6 +3173,50 @@ tcontrolcode(uchar ascii)
|
|||
term.esc &= ~(ESC_STR_END|ESC_STR);
|
||||
}
|
||||
|
||||
#if SIXEL_PATCH
|
||||
void
|
||||
dcshandle(void)
|
||||
{
|
||||
int bgcolor;
|
||||
unsigned char r, g, b, a = 255;
|
||||
|
||||
switch (csiescseq.mode[0]) {
|
||||
default:
|
||||
unknown:
|
||||
fprintf(stderr, "erresc: unknown csi ");
|
||||
csidump();
|
||||
/* die(""); */
|
||||
break;
|
||||
#if SYNC_PATCH
|
||||
case '=':
|
||||
/* https://gitlab.com/gnachman/iterm2/-/wikis/synchronized-updates-spec */
|
||||
if (csiescseq.buf[2] == 's' && csiescseq.buf[1] == '1')
|
||||
tsync_begin(); /* BSU */
|
||||
else if (csiescseq.buf[2] == 's' && csiescseq.buf[1] == '2')
|
||||
tsync_end(); /* ESU */
|
||||
else
|
||||
goto unknown;
|
||||
break;
|
||||
#endif // SYNC_PATCH
|
||||
case 'q': /* DECSIXEL */
|
||||
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, (255 << 24), bgcolor, 1, win.cw, win.ch) != 0)
|
||||
perror("sixel_parser_init() failed");
|
||||
term.mode |= MODE_SIXEL;
|
||||
break;
|
||||
}
|
||||
}
|
||||
#endif // SIXEL_PATCH
|
||||
|
||||
/*
|
||||
* returns 1 when the sequence is finished and it hasn't to read
|
||||
* more characters for this sequence, otherwise 0
|
||||
|
|
@ -3123,11 +3331,7 @@ tputc(Rune u)
|
|||
Glyph *gp;
|
||||
|
||||
control = ISCONTROL(u);
|
||||
#if SIXEL_PATCH
|
||||
if (u < 127 || !IS_SET(MODE_UTF8 | MODE_SIXEL))
|
||||
#else
|
||||
if (u < 127 || !IS_SET(MODE_UTF8))
|
||||
#endif // SIXEL_PATCH
|
||||
{
|
||||
c[0] = u;
|
||||
width = len = 1;
|
||||
|
|
@ -3159,11 +3363,6 @@ tputc(Rune u)
|
|||
}
|
||||
|
||||
#if SIXEL_PATCH
|
||||
if (IS_SET(MODE_SIXEL)) {
|
||||
if (sixel_parser_parse(&sixel_st, (unsigned char *)&u, 1) != 0)
|
||||
perror("sixel_parser_parse() failed");
|
||||
return;
|
||||
}
|
||||
if (term.esc & ESC_DCS)
|
||||
goto check_control_code;
|
||||
#endif // SIXEL_PATCH
|
||||
|
|
@ -3310,7 +3509,10 @@ twrite(const char *buf, int buflen, int show_ctrl)
|
|||
|
||||
for (n = 0; n < buflen; n += charsize) {
|
||||
#if SIXEL_PATCH
|
||||
if (IS_SET(MODE_UTF8) && !IS_SET(MODE_SIXEL))
|
||||
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))
|
||||
#else
|
||||
if (IS_SET(MODE_UTF8))
|
||||
#endif // SIXEL_PATCH
|
||||
|
|
@ -3344,6 +3546,7 @@ twrite(const char *buf, int buflen, int show_ctrl)
|
|||
return n;
|
||||
}
|
||||
|
||||
#if VIM_BROWSE_PATCH
|
||||
void
|
||||
tresize(int col, int row)
|
||||
{
|
||||
|
|
@ -3371,6 +3574,11 @@ tresize(int col, int row)
|
|||
#endif // VIM_BROWSE_PATCH
|
||||
int *bp;
|
||||
TCursor c;
|
||||
#if SIXEL_PATCH
|
||||
int x, x2;
|
||||
Line line;
|
||||
ImageList *im, *next;
|
||||
#endif // SIXEL_PATCH
|
||||
|
||||
#if KEYBOARDSELECT_PATCH
|
||||
if ( row < term.row || col < term.col )
|
||||
|
|
@ -3514,7 +3722,213 @@ tresize(int col, int row)
|
|||
tcursor(CURSOR_LOAD);
|
||||
}
|
||||
term.c = c;
|
||||
|
||||
#if SIXEL_PATCH
|
||||
/* expand images into new text cells to prevent them from being deleted in
|
||||
* xfinishdraw() that draws the images */
|
||||
for (i = 0; i < 2; i++) {
|
||||
for (im = term.images; im; im = next) {
|
||||
next = im->next;
|
||||
#if SCROLLBACK_PATCH
|
||||
if (IS_SET(MODE_ALTSCREEN)) {
|
||||
if (im->y < 0 || im->y >= term.row) {
|
||||
delete_image(im);
|
||||
continue;
|
||||
}
|
||||
line = term.line[im->y];
|
||||
} else {
|
||||
if (im->y - term.scr < -HISTSIZE || im->y - term.scr >= term.row) {
|
||||
delete_image(im);
|
||||
continue;
|
||||
}
|
||||
line = TLINE(im->y);
|
||||
}
|
||||
#else
|
||||
if (im->y < 0 || im->y >= term.row) {
|
||||
delete_image(im);
|
||||
continue;
|
||||
}
|
||||
line = term.line[im->y];
|
||||
#endif // SCROLLBACK_PATCH
|
||||
x2 = MIN(im->x + im->cols, term.col);
|
||||
for (x = im->x; x < x2; x++) {
|
||||
line[x].u = ' ';
|
||||
line[x].mode = ATTR_SIXEL;
|
||||
}
|
||||
}
|
||||
tswapscreen();
|
||||
}
|
||||
#endif // SIXEL_PATCH
|
||||
}
|
||||
#else // !VIM_BROWSE_PATCH
|
||||
void
|
||||
tresize(int col, int row)
|
||||
{
|
||||
int i, j;
|
||||
#if COLUMNS_PATCH
|
||||
int tmp = col;
|
||||
int minrow, mincol;
|
||||
|
||||
if (!term.maxcol)
|
||||
term.maxcol = term.col;
|
||||
col = MAX(col, term.maxcol);
|
||||
minrow = MIN(row, term.row);
|
||||
mincol = MIN(col, term.maxcol);
|
||||
#else
|
||||
int minrow = MIN(row, term.row);
|
||||
int mincol = MIN(col, term.col);
|
||||
#endif // COLUMNS_PATCH
|
||||
int *bp;
|
||||
#if SIXEL_PATCH
|
||||
int x, x2;
|
||||
Line line;
|
||||
ImageList *im, *next;
|
||||
#endif // SIXEL_PATCH
|
||||
|
||||
#if KEYBOARDSELECT_PATCH
|
||||
if ( row < term.row || col < term.col )
|
||||
toggle_winmode(trt_kbdselect(XK_Escape, NULL, 0));
|
||||
#endif // KEYBOARDSELECT_PATCH
|
||||
|
||||
if (col < 1 || row < 1) {
|
||||
fprintf(stderr,
|
||||
"tresize: error resizing to %dx%d\n", col, row);
|
||||
return;
|
||||
}
|
||||
|
||||
#if VIM_BROWSE_PATCH
|
||||
if (alt)
|
||||
tswapscreen();
|
||||
#endif // VIM_BROWSE_PATCH
|
||||
|
||||
/* scroll both screens independently */
|
||||
if (row < term.row) {
|
||||
tcursor(CURSOR_SAVE);
|
||||
tsetscroll(0, term.row - 1);
|
||||
for (i = 0; i < 2; i++) {
|
||||
if (term.c.y >= row) {
|
||||
#if SCROLLBACK_PATCH
|
||||
tscrollup(0, term.c.y - row + 1, !IS_SET(MODE_ALTSCREEN));
|
||||
#else
|
||||
tscrollup(0, term.c.y - row + 1);
|
||||
#endif // SCROLLBACK_PATCH
|
||||
}
|
||||
for (j = row; j < term.row; j++)
|
||||
free(term.line[j]);
|
||||
tswapscreen();
|
||||
tcursor(CURSOR_LOAD);
|
||||
}
|
||||
}
|
||||
|
||||
/* resize to new height */
|
||||
term.line = xrealloc(term.line, row * sizeof(Line));
|
||||
term.alt = xrealloc(term.alt, row * sizeof(Line));
|
||||
term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
|
||||
term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
|
||||
|
||||
#if SCROLLBACK_PATCH
|
||||
Glyph gc=(Glyph){.bg=term.c.attr.bg, .fg=term.c.attr.fg, .u=' ', .mode=0};
|
||||
for (i = 0; i < HISTSIZE; i++) {
|
||||
term.hist[i] = xrealloc(term.hist[i], col * sizeof(Glyph));
|
||||
for (j = mincol; j < col; j++)
|
||||
term.hist[i][j] = gc;
|
||||
}
|
||||
#endif // SCROLLBACK_PATCH
|
||||
|
||||
/* resize each row to new width, zero-pad if needed */
|
||||
for (i = 0; i < minrow; i++) {
|
||||
term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
|
||||
term.alt[i] = xrealloc(term.alt[i], col * sizeof(Glyph));
|
||||
}
|
||||
|
||||
/* allocate any new rows */
|
||||
for (/* i = minrow */; i < row; i++) {
|
||||
term.line[i] = xmalloc(col * sizeof(Glyph));
|
||||
term.alt[i] = xmalloc(col * sizeof(Glyph));
|
||||
}
|
||||
#if COLUMNS_PATCH
|
||||
if (col > term.maxcol)
|
||||
#else
|
||||
if (col > term.col)
|
||||
#endif // COLUMNS_PATCH
|
||||
{
|
||||
#if COLUMNS_PATCH
|
||||
bp = term.tabs + term.maxcol;
|
||||
memset(bp, 0, sizeof(*term.tabs) * (col - term.maxcol));
|
||||
#else
|
||||
bp = term.tabs + term.col;
|
||||
memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
|
||||
#endif // COLUMNS_PATCH
|
||||
|
||||
while (--bp > term.tabs && !*bp)
|
||||
/* nothing */ ;
|
||||
for (bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
|
||||
*bp = 1;
|
||||
}
|
||||
|
||||
/* update terminal size */
|
||||
#if COLUMNS_PATCH
|
||||
term.col = tmp;
|
||||
term.maxcol = col;
|
||||
#else
|
||||
term.col = col;
|
||||
#endif // COLUMNS_PATCH
|
||||
term.row = row;
|
||||
|
||||
/* reset scrolling region */
|
||||
tsetscroll(0, row-1);
|
||||
/* Clearing both screens (it makes dirty all lines) */
|
||||
for (i = 0; i < 2; i++) {
|
||||
tmoveto(term.c.x, term.c.y); /* make use of the LIMIT in tmoveto */
|
||||
tcursor(CURSOR_SAVE);
|
||||
if (mincol < col && 0 < minrow) {
|
||||
tclearregion(mincol, 0, col - 1, minrow - 1);
|
||||
}
|
||||
if (0 < col && minrow < row) {
|
||||
tclearregion(0, minrow, col - 1, row - 1);
|
||||
}
|
||||
tswapscreen();
|
||||
tcursor(CURSOR_LOAD);
|
||||
}
|
||||
|
||||
#if SIXEL_PATCH
|
||||
/* expand images into new text cells to prevent them from being deleted in
|
||||
* xfinishdraw() that draws the images */
|
||||
for (i = 0; i < 2; i++) {
|
||||
for (im = term.images; im; im = next) {
|
||||
next = im->next;
|
||||
#if SCROLLBACK_PATCH
|
||||
if (IS_SET(MODE_ALTSCREEN)) {
|
||||
if (im->y < 0 || im->y >= term.row) {
|
||||
delete_image(im);
|
||||
continue;
|
||||
}
|
||||
line = term.line[im->y];
|
||||
} else {
|
||||
if (im->y - term.scr < -HISTSIZE || im->y - term.scr >= term.row) {
|
||||
delete_image(im);
|
||||
continue;
|
||||
}
|
||||
line = TLINE(im->y);
|
||||
}
|
||||
#else
|
||||
if (im->y < 0 || im->y >= term.row) {
|
||||
delete_image(im);
|
||||
continue;
|
||||
}
|
||||
line = term.line[im->y];
|
||||
#endif // SCROLLBACK_PATCH
|
||||
x2 = MIN(im->x + im->cols, term.col);
|
||||
for (x = im->x; x < x2; x++) {
|
||||
line[x].u = ' ';
|
||||
line[x].mode = ATTR_SIXEL;
|
||||
}
|
||||
}
|
||||
tswapscreen();
|
||||
}
|
||||
#endif // SIXEL_PATCH
|
||||
}
|
||||
#endif // VIM_BROWSE_PATCH
|
||||
|
||||
void
|
||||
resettitle(void)
|
||||
|
|
|
|||
5
st.h
5
st.h
|
|
@ -1,6 +1,7 @@
|
|||
/* See LICENSE for license details. */
|
||||
|
||||
#include <stdint.h>
|
||||
#include <time.h>
|
||||
#include <sys/types.h>
|
||||
#include <X11/Xatom.h>
|
||||
#include <X11/Xlib.h>
|
||||
|
|
@ -79,7 +80,9 @@ typedef struct _ImageList {
|
|||
int height;
|
||||
int x;
|
||||
int y;
|
||||
int should_delete;
|
||||
int cols;
|
||||
int cw;
|
||||
int ch;
|
||||
} ImageList;
|
||||
#endif // SIXEL_PATCH
|
||||
|
||||
|
|
|
|||
114
x.c
114
x.c
|
|
@ -27,6 +27,11 @@ char *argv0;
|
|||
#include <X11/Xcursor/Xcursor.h>
|
||||
#endif // THEMED_CURSOR_PATCH
|
||||
|
||||
#if SIXEL_PATCH
|
||||
#include <Imlib2.h>
|
||||
#include "sixel.h"
|
||||
#endif // SIXEL_PATCH
|
||||
|
||||
#if UNDERCURL_PATCH
|
||||
/* Undercurl slope types */
|
||||
enum undercurl_slope_type {
|
||||
|
|
@ -282,17 +287,36 @@ zoom(const Arg *arg)
|
|||
Arg larg;
|
||||
|
||||
larg.f = usedfontsize + arg->f;
|
||||
#if SIXEL_PATCH
|
||||
if (larg.f >= 1.0)
|
||||
zoomabs(&larg);
|
||||
#else
|
||||
zoomabs(&larg);
|
||||
#endif // SIXEL_PATCH
|
||||
}
|
||||
|
||||
void
|
||||
zoomabs(const Arg *arg)
|
||||
{
|
||||
#if SIXEL_PATCH
|
||||
ImageList *im;
|
||||
#endif // SIXEL_PATCH
|
||||
|
||||
xunloadfonts();
|
||||
xloadfonts(usedfont, arg->f);
|
||||
#if FONT2_PATCH
|
||||
xloadsparefonts();
|
||||
#endif // FONT2_PATCH
|
||||
|
||||
#if SIXEL_PATCH
|
||||
/* 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);
|
||||
im->pixmap = NULL;
|
||||
}
|
||||
#endif // SIXEL_PATCH
|
||||
|
||||
cresize(0, 0);
|
||||
redraw();
|
||||
xhints();
|
||||
|
|
@ -850,7 +874,7 @@ cresize(int width, int height)
|
|||
|
||||
col = (win.w - 2 * borderpx) / win.cw;
|
||||
row = (win.h - 2 * borderpx) / win.ch;
|
||||
col = MAX(1, col);
|
||||
col = MAX(2, col);
|
||||
row = MAX(1, row);
|
||||
|
||||
#if ANYSIZE_PATCH
|
||||
|
|
@ -2981,35 +3005,41 @@ xfinishdraw(void)
|
|||
{
|
||||
#if SIXEL_PATCH
|
||||
ImageList *im, *next;
|
||||
Imlib_Image origin, scaled;
|
||||
XGCValues gcvalues;
|
||||
GC gc;
|
||||
int width, height;
|
||||
int x, x2, del;
|
||||
Line line;
|
||||
#endif // SIXEL_PATCH
|
||||
|
||||
#if SIXEL_PATCH
|
||||
for (im = term.images; im; im = next) {
|
||||
/* get the next image here, because delete_image() will delete the current image */
|
||||
next = im->next;
|
||||
|
||||
if (im->should_delete) {
|
||||
delete_image(im);
|
||||
/* 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 = im->width * win.cw / im->cw;
|
||||
height = im->height * win.ch / im->ch;
|
||||
if (!im->pixmap) {
|
||||
im->pixmap = (void *)XCreatePixmap(xw.dpy, xw.win, im->width, im->height,
|
||||
im->pixmap = (void *)XCreatePixmap(xw.dpy, xw.win, width, height,
|
||||
#if ALPHA_PATCH
|
||||
xw.depth
|
||||
#else
|
||||
DefaultDepth(xw.dpy, xw.scr)
|
||||
#endif // ALPHA_PATCH
|
||||
);
|
||||
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 = LSBFirst,
|
||||
.byte_order = sixelbyteorder,
|
||||
.bitmap_bit_order = MSBFirst,
|
||||
.bits_per_pixel = 32,
|
||||
.bytes_per_line = im->width * 4,
|
||||
|
|
@ -3021,31 +3051,75 @@ xfinishdraw(void)
|
|||
.depth = 24
|
||||
#endif // ALPHA_PATCH
|
||||
};
|
||||
XPutImage(xw.dpy, (Drawable)im->pixmap, dc.gc, &ximage, 0, 0, 0, 0, im->width, im->height);
|
||||
free(im->pixels);
|
||||
im->pixels = NULL;
|
||||
XPutImage(xw.dpy, (Drawable)im->pixmap, dc.gc, &ximage, 0, 0, 0, 0, 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);
|
||||
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,
|
||||
#if ALPHA_PATCH
|
||||
.depth = xw.depth
|
||||
#else
|
||||
.depth = 24
|
||||
#endif // ALPHA_PATCH
|
||||
};
|
||||
XPutImage(xw.dpy, (Drawable)im->pixmap, dc.gc, &ximage, 0, 0, 0, 0, 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 */
|
||||
#if SCROLLBACK_PATCH
|
||||
line = TLINE(im->y);
|
||||
#else
|
||||
line = term.line[im->y];
|
||||
#endif // SCROLLBACK_PATCH
|
||||
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);
|
||||
|
||||
#if ANYSIZE_PATCH
|
||||
XCopyArea(xw.dpy, (Drawable)im->pixmap, xw.buf, gc, 0, 0, im->width, im->height, win.hborderpx + im->x * win.cw, win.vborderpx + im->y * win.ch);
|
||||
#else
|
||||
XCopyArea(xw.dpy, (Drawable)im->pixmap, xw.buf, gc, 0, 0, im->width, im->height, borderpx + im->x * win.cw, borderpx + im->y * win.ch);
|
||||
#endif // ANYSIZE_PATCH
|
||||
XCopyArea(xw.dpy, (Drawable)im->pixmap, xw.buf, gc, 0, 0,
|
||||
width, height, borderpx + im->x * win.cw, borderpx + im->y * win.ch);
|
||||
XFreeGC(xw.dpy, gc);
|
||||
|
||||
}
|
||||
#endif // SIXEL_PATCH
|
||||
|
||||
#if !SINGLE_DRAWABLE_BUFFER_PATCH
|
||||
XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, win.w, win.h, 0, 0);
|
||||
#endif // SINGLE_DRAWABLE_BUFFER_PATCH
|
||||
XSetForeground(xw.dpy, dc.gc,
|
||||
dc.col[IS_SET(MODE_REVERSE)?
|
||||
defaultfg : defaultbg].pixel);
|
||||
XSetForeground(xw.dpy, dc.gc, dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg].pixel);
|
||||
}
|
||||
|
||||
void
|
||||
|
|
|
|||
Loading…
Reference in New Issue