Subject: Support OSC 5379 remote imaging and sixel graphics Author: Araki Ken Origin: https://bitbucket.org/arakiken/w3m/branch/remoteimg diff --git a/display.c b/display.c index 2fe1183..d4f336a 100644 --- a/display.c +++ b/display.c @@ -487,7 +487,7 @@ displayBuffer(Buffer *buf, int mode) term_title(conv_to_system(buf->buffername)); refresh(); #ifdef USE_IMAGE - if (activeImage && displayImage && buf->img) { + if (activeImage && displayImage && buf->img && buf->image_loaded) { drawImage(); } #endif @@ -521,7 +521,15 @@ drawAnchorCursor0(Buffer *buf, AnchorList *al, int hseq, int prevhseq, break; } if (hseq >= 0 && an->hseq == hseq) { + int start_pos = an->start.pos; + int end_pos = an->end.pos; for (i = an->start.pos; i < an->end.pos; i++) { + if (enable_inline_image && (l->propBuf[i] & PE_IMAGE)) { + if (start_pos == i) + start_pos = i + 1; + else if (end_pos == an->end.pos) + end_pos = i - 1; + } if (l->propBuf[i] & (PE_IMAGE | PE_ANCHOR | PE_FORM)) { if (active) l->propBuf[i] |= PE_ACTIVE; @@ -529,9 +537,9 @@ drawAnchorCursor0(Buffer *buf, AnchorList *al, int hseq, int prevhseq, l->propBuf[i] &= ~PE_ACTIVE; } } - if (active) + if (active && start_pos < end_pos) redrawLineRegion(buf, l, l->linenumber - tline + buf->rootY, - an->start.pos, an->end.pos); + start_pos, end_pos); } else if (prevhseq >= 0 && an->hseq == prevhseq) { if (active) @@ -855,14 +863,16 @@ redrawLineImage(Buffer *buf, Line *l, int i) y = (int)(i * pixel_per_line); sx = (int)((rcol - COLPOS(l, a->start.pos)) * pixel_per_char); sy = (int)((l->linenumber - image->y) * pixel_per_line); - if (sx == 0 && x + image->xoffset >= 0) - x += image->xoffset; - else - sx -= image->xoffset; - if (sy == 0 && y + image->yoffset >= 0) - y += image->yoffset; - else - sy -= image->yoffset; + if (! enable_inline_image) { + if (sx == 0 && x + image->xoffset >= 0) + x += image->xoffset; + else + sx -= image->xoffset; + if (sy == 0 && y + image->yoffset >= 0) + y += image->yoffset; + else + sy -= image->yoffset; + } if (image->width > 0) w = image->width - sx; else diff --git a/doc/README.sixel b/doc/README.sixel new file mode 100644 index 0000000..588afc4 --- /dev/null +++ b/doc/README.sixel @@ -0,0 +1,27 @@ +Sixel support of w3m + 2014/11/05 + K. Araki + +Introduction + + This is the extension for w3m to show inline images by sixel graphics. + +Requirements + + Install 'img2sixel' command provided by libsixel project. + (https://github.com/saitoha/libsixel) + +Build + + $ ./configure --enable-image ... + $ make + $ make install + +Usage + + $ w3m -sixel http://... + + You can specify options of 'img2sixel' command by "W3M_IMG2SIXEL" + environmental variable. + + $ W3M_IMG2SIXEL="img2sixel -d atkinson" w3m -sixel http://... diff --git a/etc.c b/etc.c index 8fe1215..dcc6edd 100644 --- a/etc.c +++ b/etc.c @@ -1365,7 +1365,13 @@ setup_child(int child, int i, int f) if (!child) SETPGRP(); #endif /* __MINGW32_VERSION */ + /* + * I don't know why but close_tty() sometimes interrupts loadGeneralFile() in loadImage() + * and corrupt image data can be cached in ~/.w3m. + */ +#if 0 close_tty(); +#endif close_all_fds_except(i, f); QuietMessage = TRUE; fmInitialized = FALSE; diff --git a/file.c b/file.c index 1e363d0..709a0c1 100644 --- a/file.c +++ b/file.c @@ -3345,8 +3345,14 @@ process_img(struct parsed_tag *tag, int width) if (i < 0) i = pixel_per_line; } - nw = (w > 3) ? (int)((w - 3) / pixel_per_char + 1) : 1; - ni = (i > 3) ? (int)((i - 3) / pixel_per_line + 1) : 1; + if (enable_inline_image) { + nw = (w > 1) ? ((w - 1) / pixel_per_char_i + 1) : 1 ; + ni = (i > 1) ? ((i - 1) / pixel_per_line_i + 1) : 1 ; + } + else { + nw = (w > 3) ? (int)((w - 3) / pixel_per_char + 1) : 1; + ni = (i > 3) ? (int)((i - 3) / pixel_per_line + 1) : 1; + } Strcat(tmp, Sprintf("= 0) Strcat(tmp, Sprintf(" height=%d", i0)); switch (align) { + case ALIGN_MIDDLE: + if (!enable_inline_image) { + top = ni / 2; + bottom = top; + if (top * 2 == ni) + yoffset = (int)(((ni + 1) * pixel_per_line - i) / 2); + else + yoffset = (int)((ni * pixel_per_line - i) / 2); + break; + } case ALIGN_TOP: top = 0; bottom = ni - 1; yoffset = 0; break; - case ALIGN_MIDDLE: - top = ni / 2; - bottom = top; - if (top * 2 == ni) - yoffset = (int)(((ni + 1) * pixel_per_line - i) / 2); - else - yoffset = (int)((ni * pixel_per_line - i) / 2); - break; case ALIGN_BOTTOM: top = ni - 1; bottom = 0; @@ -3407,7 +3415,12 @@ process_img(struct parsed_tag *tag, int width) } break; } - xoffset = (int)((nw * pixel_per_char - w) / 2); + + if (enable_inline_image) + xoffset = 0; + else + xoffset = (int)((nw * pixel_per_char - w) / 2); + if (xoffset) Strcat(tmp, Sprintf(" xoffset=%d", xoffset)); if (yoffset) diff --git a/fm.h b/fm.h index 49af0e4..8f594dc 100644 --- a/fm.h +++ b/fm.h @@ -373,6 +373,8 @@ typedef struct _imageCache { int index; short width; short height; + short a_width; + short a_height; } ImageCache; typedef struct _image { @@ -919,6 +921,7 @@ global char *CurrentKeyData; global char *CurrentCmdData; global char *w3m_reqlog; extern char *w3m_version; +extern int enable_inline_image; #define DUMP_BUFFER 0x01 #define DUMP_HEAD 0x02 @@ -1174,9 +1177,11 @@ global char *ssl_forbid_method init("2, 3"); global int is_redisplay init(FALSE); global int clear_buffer init(TRUE); global double pixel_per_char init(DEFAULT_PIXEL_PER_CHAR); +global int pixel_per_char_i init(DEFAULT_PIXEL_PER_CHAR); global int set_pixel_per_char init(FALSE); #ifdef USE_IMAGE global double pixel_per_line init(DEFAULT_PIXEL_PER_LINE); +global int pixel_per_line_i init(DEFAULT_PIXEL_PER_LINE); global int set_pixel_per_line init(FALSE); global double image_scale init(100); #endif diff --git a/image.c b/image.c index 9d0e9b5..91034ee 100644 --- a/image.c +++ b/image.c @@ -44,6 +44,8 @@ initImage() activeImage = TRUE; } +int get_pixel_per_cell(int *ppc, int *ppl); + int getCharSize() { @@ -52,6 +54,24 @@ getCharSize() int w = 0, h = 0; set_environ("W3M_TTY", ttyname_tty()); + + if (enable_inline_image) { + int ppc, ppl; + + if (get_pixel_per_cell(&ppc,&ppl)) { + pixel_per_char_i = ppc ; + pixel_per_line_i = ppl ; + pixel_per_char = (double)ppc; + pixel_per_line = (double)ppl; + } + else { + pixel_per_char_i = (int)pixel_per_char; + pixel_per_line_i = (int)pixel_per_line; + } + + return TRUE; + } + tmp = Strnew(); if (!strchr(Imgdisplay, '/')) Strcat_m_charp(tmp, w3m_auxbin_dir(), "/", NULL); @@ -156,6 +176,10 @@ addImage(ImageCache * cache, int x, int y, int sx, int sy, int w, int h) static void syncImage(void) { + if (enable_inline_image) { + return; + } + fputs("3;\n", Imgdisplay_wf); /* XSync() */ fputs("4;\n", Imgdisplay_wf); /* put '\n' */ while (fflush(Imgdisplay_wf) != 0) { @@ -171,12 +195,16 @@ syncImage(void) n_terminal_image = 0; } +void put_image_osc5379(char *url, int x, int y, int w, int h, int sx, int sy, int sw, int sh, int n_terminal_image); +void put_image_sixel(char *url, int x, int y, int w, int h, int sx, int sy, int sw, int sh, int n_terminal_image); + void drawImage() { static char buf[64]; int j, draw = FALSE; TerminalImage *i; + struct stat st ; if (!activeImage) return; @@ -184,6 +212,47 @@ drawImage() return; for (j = 0; j < n_terminal_image; j++) { i = &terminal_image[j]; + + if (enable_inline_image) { + #if 0 + fprintf(stderr,"file %s x %d y %d w %d h %d sx %d sy %d sw %d sh %d (ppc %d ppl %d)\n", + ((enable_inline_image == 2 || getenv("WINDOWID")) && + i->cache->touch) ? i->cache->file : i->cache->url, + i->x, i->y, + i->cache->width > 0 ? i->cache->width : 0, + i->cache->height > 0 ? i->cache->height : 0, + i->sx, i->sy, i->width, i->height, + pixel_per_char_i, pixel_per_line_i); + #endif + (enable_inline_image == 2 ? put_image_sixel : put_image_osc5379)( + ((enable_inline_image == 2 /* sixel */ || getenv("WINDOWID")) && + /* XXX I don't know why but sometimes i->cache->file doesn't exist. */ + i->cache->touch && stat(i->cache->file,&st) == 0) ? + /* local */ i->cache->file : /* remote */ i->cache->url, + i->x / pixel_per_char_i, + i->y / pixel_per_line_i, + #if 1 + i->cache->a_width > 0 ? + (i->cache->width + i->x % pixel_per_char_i + pixel_per_char_i - 1) / + pixel_per_char_i : + #endif + 0, + + #if 1 + i->cache->a_height > 0 ? + (i->cache->height + i->y % pixel_per_line_i + pixel_per_line_i - 1) / + pixel_per_line_i : + #endif + 0, + i->sx / pixel_per_char_i, + i->sy / pixel_per_line_i, + (i->width + i->sx % pixel_per_char_i + pixel_per_char_i - 1) / pixel_per_char_i, + (i->height + i->sy % pixel_per_line_i + pixel_per_line_i - 1) / pixel_per_line_i, + n_terminal_image); + + continue ; + } + if (!(i->cache->loaded & IMG_FLAG_LOADED && i->width > 0 && i->height > 0)) continue; @@ -207,9 +276,15 @@ drawImage() fputs("\n", Imgdisplay_wf); draw = TRUE; } - if (!draw) - return; - syncImage(); + + if (!enable_inline_image) { + if (!draw) + return; + syncImage(); + } + else + n_terminal_image = 0; + touch_cursor(); refresh(); } @@ -321,6 +396,8 @@ showImageProgress(Buffer *buf) } } if (n) { + if (enable_inline_image && n == l) + drawImage(); message(Sprintf("%d/%d images loaded", l, n)->ptr, buf->cursorX + buf->rootX, buf->cursorY + buf->rootY); refresh(); @@ -350,7 +427,7 @@ loadImage(Buffer *buf, int flag) } for (i = 0; i < n_load_image; i++) { cache = image_cache[i]; - if (!cache) + if (!cache || !cache->touch) continue; if (lstat(cache->touch, &st)) continue; @@ -381,7 +458,7 @@ loadImage(Buffer *buf, int flag) for (i = (buf != image_buffer) ? 0 : maxLoadImage; i < n_load_image; i++) { cache = image_cache[i]; - if (!cache) + if (!cache || !cache->touch) continue; if (cache->pid) { kill(cache->pid, SIGKILL); @@ -407,7 +484,8 @@ loadImage(Buffer *buf, int flag) } if (draw && image_buffer) { - drawImage(); + if (!enable_inline_image) + drawImage(); showImageProgress(image_buffer); } @@ -435,6 +513,9 @@ loadImage(Buffer *buf, int flag) break; } image_cache[i] = cache; + if (!cache->touch) { + continue; + } flush_tty(); #ifdef DONT_CALL_GC_AFTER_FORK @@ -515,12 +596,30 @@ getImage(Image * image, ParsedURL *current, int flag) cache->url = image->url; cache->current = current; cache->file = tmpfname(TMPF_DFL, image->ext)->ptr; - cache->touch = tmpfname(TMPF_DFL, NULL)->ptr; cache->pid = 0; cache->index = 0; cache->loaded = IMG_FLAG_UNLOADED; - cache->width = image->width; - cache->height = image->height; + if (enable_inline_image == 1) { + if (image->width > 0 && image->width % pixel_per_char_i > 0) + image->width += (pixel_per_char_i - image->width % pixel_per_char_i); + + if (image->height > 0 && image->height % pixel_per_line_i > 0) + image->height += (pixel_per_line_i - image->height % pixel_per_line_i); + if (image->height > 0 && image->width > 0) { + cache->loaded = IMG_FLAG_LOADED; + } + } + if (cache->loaded == IMG_FLAG_UNLOADED) { + cache->touch = tmpfname(TMPF_DFL, NULL)->ptr; + } + else { + cache->touch = NULL; + } + + cache->width = image->width ; + cache->height = image->height ; + cache->a_width = image->width; + cache->a_height = image->height; putHash_sv(image_hash, key->ptr, (void *)cache); } if (flag != IMG_FLAG_SKIP) { @@ -542,6 +641,78 @@ getImage(Image * image, ParsedURL *current, int flag) return cache; } +static int +parseImageHeader(char *path, u_int *width, u_int *height) +{ + FILE *fp; + u_char buf[8]; + + if (!(fp = fopen(path, "r"))) return FALSE; + + if (fread(buf, 1, 2, fp) != 2) goto error; + + if (memcmp(buf, "\xff\xd8", 2) == 0) { + /* JPEG */ + if (fseek(fp, 2, SEEK_CUR) < 0) goto error; /* 0xffe0 */ + while (fread(buf, 1, 2, fp) == 2) { + size_t len = ((buf[0] << 8) | buf[1]) - 2; + if (fseek(fp, len, SEEK_CUR) < 0) goto error; + if (fread(buf, 1, 2, fp) == 2 && + /* SOF0 or SOF2 */ + (memcmp(buf, "\xff\xc0", 2) == 0 || memcmp(buf, "\xff\xc2", 2) == 0)) { + fseek(fp, 3, SEEK_CUR); + if (fread(buf, 1, 2, fp) == 2) { + *height = (buf[0] << 8) | buf[1]; + if (fread(buf, 1, 2, fp) == 2) { + *width = (buf[0] << 8) | buf[1]; + goto success; + } + } + break; + } + } + goto error; + } + + if (fread(buf + 2, 1, 1, fp) != 1) goto error; + + if (memcmp(buf, "GIF", 3) == 0) { + /* GIF */ + if (fseek(fp, 3, SEEK_CUR) < 0) goto error; + if (fread(buf, 1, 2, fp) == 2) { + *width = (buf[1] << 8) | buf[0]; + if (fread(buf, 1, 2, fp) == 2) { + *height = (buf[1] << 8) | buf[0]; + goto success; + } + } + goto error; + } + + if (fread(buf + 3, 1, 5, fp) != 5) goto error; + + if (memcmp(buf, "\x89\x50\x4e\x47\x0d\x0a\x1a\x0a", 8) == 0) { + /* PNG */ + if (fseek(fp, 8, SEEK_CUR) < 0) goto error; + if (fread(buf, 1, 4, fp) == 4) { + *width = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]; + if (fread(buf, 1, 4, fp) == 4) { + *height = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3]; + goto success; + } + } + goto error; + } + +error: + fclose(fp); + return FALSE; + +success: + fclose(fp); + return TRUE; +} + int getImageSize(ImageCache * cache) { @@ -554,6 +725,10 @@ getImageSize(ImageCache * cache) if (!cache || !(cache->loaded & IMG_FLAG_LOADED) || (cache->width > 0 && cache->height > 0)) return FALSE; + + if (parseImageHeader(cache->file, &w, &h)) + goto got_image_size; + tmp = Strnew(); if (!strchr(Imgdisplay, '/')) Strcat_m_charp(tmp, w3m_auxbin_dir(), "/", NULL); @@ -569,6 +744,8 @@ getImageSize(ImageCache * cache) if (!(w > 0 && h > 0)) return FALSE; + +got_image_size: w = (int)(w * image_scale / 100 + 0.5); if (w == 0) w = 1; @@ -581,11 +758,11 @@ getImageSize(ImageCache * cache) } else if (cache->width < 0) { int tmp = (int)((double)cache->height * w / h + 0.5); - cache->width = (tmp > MAX_IMAGE_SIZE) ? MAX_IMAGE_SIZE : tmp; + cache->a_width = cache->width = (tmp > MAX_IMAGE_SIZE) ? MAX_IMAGE_SIZE : tmp; } else if (cache->height < 0) { int tmp = (int)((double)cache->width * h / w + 0.5); - cache->height = (tmp > MAX_IMAGE_SIZE) ? MAX_IMAGE_SIZE : tmp; + cache->a_height = cache->height = (tmp > MAX_IMAGE_SIZE) ? MAX_IMAGE_SIZE : tmp; } if (cache->width == 0) cache->width = 1; diff --git a/main.c b/main.c index c8f1e82..32f4da2 100644 --- a/main.c +++ b/main.c @@ -122,6 +122,8 @@ static int searchKeyNum(void); #define help() fusage(stdout, 0) #define usage() fusage(stderr, 1) +int enable_inline_image; /* 1 == mlterm OSC 5379, 2 == sixel */ + static void fversion(FILE * f) { @@ -409,7 +411,6 @@ main(int argc, char **argv, char **envp) #if defined(DONT_CALL_GC_AFTER_FORK) && defined(USE_IMAGE) char **getimage_args = NULL; #endif /* defined(DONT_CALL_GC_AFTER_FORK) && defined(USE_IMAGE) */ - GC_INIT(); #if defined(ENABLE_NLS) || (defined(USE_M17N) && defined(HAVE_LANGINFO_CODESET)) setlocale(LC_ALL, ""); @@ -679,6 +680,12 @@ main(int argc, char **argv, char **envp) } } #endif + else if (!strcmp("-ri", argv[i])) { + enable_inline_image = 1; + } + else if (!strcmp("-sixel", argv[i])) { + enable_inline_image = 2; + } else if (!strcmp("-num", argv[i])) showLineNum = TRUE; else if (!strcmp("-no-proxy", argv[i])) @@ -5910,8 +5917,14 @@ deleteFiles() Firstbuf = buf; } } - while ((f = popText(fileToDelete)) != NULL) + while ((f = popText(fileToDelete)) != NULL) { unlink(f); + if (enable_inline_image == 2 && strcmp(f+strlen(f)-4, ".gif") == 0) { + Str firstframe = Strnew_charp(f); + Strcat_charp(firstframe, "-1"); + unlink(firstframe->ptr); + } + } } void diff --git a/terms.c b/terms.c index 672262c..79996f1 100644 --- a/terms.c +++ b/terms.c @@ -12,6 +12,7 @@ #include #include "config.h" #include +#include #ifdef HAVE_SYS_SELECT_H #include #endif @@ -466,6 +467,260 @@ writestr(char *s) #define MOVE(line,column) writestr(tgoto(T_cm,column,line)); +void +put_image_osc5379(char *url, int x, int y, int w, int h, int sx, int sy, int sw, int sh, int n_terminal_image) +{ + Str buf; + char *size ; + + if (w > 0 && h > 0) + size = Sprintf("%dx%d",w,h)->ptr; + else + size = ""; + + MOVE(y,x); + buf = Sprintf("\x1b]5379;show_picture %s %s %dx%d+%d+%d\x07",url,size,sw,sh,sx,sy); + writestr(buf->ptr); + MOVE(Currentbuf->cursorY,Currentbuf->cursorX); +} + +static void +save_gif(const char *path, u_char *header, size_t header_size, u_char *body, size_t body_size) +{ + int fd; + + if ((fd = open(path, O_WRONLY|O_CREAT, 0600)) >= 0) { + write(fd, header, header_size) ; + write(fd, body, body_size) ; + write(fd, "\x3b" , 1) ; + close(fd) ; + } +} + +static u_char * +skip_gif_header(u_char *p) +{ + /* Header */ + p += 10; + + if (*(p) & 0x80) { + p += (3 * (2 << ((*p) & 0x7))); + } + p += 3; + + return p; +} + +static Str +save_first_animation_frame(const char *path) +{ + int fd; + struct stat st; + u_char *header; + size_t header_size; + u_char *body; + u_char *p; + ssize_t len; + Str new_path; + + new_path = Strnew_charp(path); + Strcat_charp(new_path, "-1"); + if (stat(new_path->ptr, &st) == 0) { + return new_path; + } + + if ((fd = open( path, O_RDONLY)) < 0) { + return NULL; + } + + if (fstat( fd, &st) != 0 || ! (header = GC_malloc( st.st_size))){ + close( fd); + return NULL; + } + + len = read(fd, header, st.st_size); + close(fd); + + /* Header */ + + if (len != st.st_size || strncmp(header, "GIF89a", 6) != 0) { + return NULL; + } + + p = skip_gif_header(header); + header_size = p - header; + + /* Application Extension */ + if (p[0] == 0x21 && p[1] == 0xff) { + p += 19; + } + + /* Other blocks */ + body = NULL; + while (p + 2 < header + st.st_size) { + if (*(p++) == 0x21 && *(p++) == 0xf9 && *(p++) == 0x04) { + if( body) { + /* Graphic Control Extension */ + save_gif(new_path->ptr, header, header_size, body, p - 3 - body); + return new_path; + } + else { + /* skip the first frame. */ + } + body = p - 3; + } + } + + return NULL; +} + +void ttymode_set(int mode, int imode); +void ttymode_reset(int mode, int imode); + +void +put_image_sixel(char *url, int x, int y, int w, int h, int sx, int sy, int sw, int sh, int n_terminal_image) +{ + pid_t pid; + int do_anim; + MySignalHandler(*volatile previntr) (SIGNAL_ARG); + MySignalHandler(*volatile prevquit) (SIGNAL_ARG); + MySignalHandler(*volatile prevstop) (SIGNAL_ARG); + + MOVE(y,x); + flush_tty(); + + do_anim = (n_terminal_image == 1 && x == 0 && y == 0 && sx == 0 && sy == 0); + + previntr = mySignal(SIGINT, SIG_IGN); + prevquit = mySignal(SIGQUIT, SIG_IGN); + prevstop = mySignal(SIGTSTP, SIG_IGN); + + if ((pid = fork()) == 0) { + char *env; + int n = 0; + char *argv[20]; + char digit[2][11+1]; + char clip[44+3+1]; + Str str_url; + + close(STDERR_FILENO); /* Don't output error message. */ + if (do_anim) { + writestr("\x1b[?80h"); + } + else if (!strstr(url, "://") && strcmp(url+strlen(url)-4, ".gif") == 0 && + (str_url = save_first_animation_frame(url))) { + url = str_url->ptr; + } + ttymode_set(ISIG, 0); + + if ((env = getenv("W3M_IMG2SIXEL"))) { + char *p; + env = Strnew_charp(env)->ptr; + while (n < 8 && (p = strchr(env, ' '))) { + *p = '\0'; + if (*env != '\0') { + argv[n++] = env; + } + env = p+1; + } + if (*env != '\0') { + argv[n++] = env; + } + } + else { + argv[n++] = "img2sixel"; + } + argv[n++] = "-l"; + argv[n++] = do_anim ? "auto" : "disable"; + argv[n++] = "-w"; + sprintf(digit[0], "%d", w*pixel_per_char_i); + argv[n++] = digit[0]; + argv[n++] = "-h"; + sprintf(digit[1], "%d", h*pixel_per_line_i); + argv[n++] = digit[1]; + argv[n++] = "-c"; + sprintf(clip, "%dx%d+%d+%d", sw*pixel_per_char_i, sh*pixel_per_line_i, + sx*pixel_per_char_i, sy*pixel_per_line_i); + argv[n++] = clip; + argv[n++] = url; + if (getenv("TERM") && strcmp(getenv("TERM"), "screen") == 0 && + (!getenv("SCREEN_VARIANT") || strcmp(getenv("SCREEN_VARIANT"), "sixel") != 0)) { + argv[n++] = "-P"; + } + argv[n++] = NULL; + execvp(argv[0],argv); + exit(0); + } + else if (pid > 0) { + int status; + waitpid(pid, &status, 0); + ttymode_reset(ISIG, 0); + mySignal(SIGINT, previntr); + mySignal(SIGQUIT, prevquit); + mySignal(SIGTSTP, prevstop); + if (do_anim) { + writestr("\x1b[?80l"); + } + } + + MOVE(Currentbuf->cursorY,Currentbuf->cursorX); +} + +int +get_pixel_per_cell(int *ppc, int *ppl) +{ + fd_set rfd; + struct timeval tval; + char buf[100]; + char *p; + ssize_t len; + ssize_t left; + int wp,hp,wc,hc; + int i; + +#ifdef TIOCGWINSZ + struct winsize ws; + if (ioctl(tty, TIOCGWINSZ, &ws) == 0 && ws.ws_ypixel > 0 && ws.ws_row > 0 && + ws.ws_xpixel > 0 && ws.ws_col > 0) { + *ppc = ws.ws_xpixel / ws.ws_col; + *ppl = ws.ws_ypixel / ws.ws_row; + return 1; + } +#endif + + fputs("\x1b[14t\x1b[18t",ttyf); flush_tty(); + + p = buf; + left = sizeof(buf) - 1; + for (i = 0; i < 10; i++) { + tval.tv_usec = 200000; /* 0.2 sec * 10 */ + tval.tv_sec = 0; + FD_ZERO(&rfd); + FD_SET(tty,&rfd); + if (select(tty+1,&rfd,NULL,NULL,&tval) <= 0 || ! FD_ISSET(tty,&rfd)) + continue; + + if ((len = read(tty,p,left)) <= 0) + continue; + p[len] = '\0'; + + if (sscanf(buf,"\x1b[4;%d;%dt\x1b[8;%d;%dt",&hp,&wp,&hc,&wc) == 4) { + if (wp > 0 && wc > 0 && hp > 0 && hc > 0) { + *ppc = wp / wc; + *ppl = hp / hc; + return 1; + } + else { + return 0; + } + } + p += len; + left -= len; + } + + return 0; +} + #ifdef USE_MOUSE #define W3M_TERM_INFO(name, title, mouse) name, title, mouse #define NEED_XTERM_ON (1) diff --git a/w3mimg/x11/x11_w3mimg.c b/w3mimg/x11/x11_w3mimg.c index cef72e2..bc8d0aa 100644 --- a/w3mimg/x11/x11_w3mimg.c +++ b/w3mimg/x11/x11_w3mimg.c @@ -121,16 +121,21 @@ x11_init(w3mimg_op * self) if (self == NULL) return 0; xi = (struct x11_info *)self->priv; +#if defined(USE_IMLIB) if (xi == NULL) return 0; -#if defined(USE_IMLIB) if (!xi->id) { xi->id = Imlib_init(xi->display); if (!xi->id) return 0; } #elif defined(USE_GDKPIXBUF) - if (!xi->init_flag) { + if (!xi) { +#if defined(USE_GTK2) + g_type_init(); +#endif + } + else if (!xi->init_flag) { #if defined(USE_GTK2) g_type_init(); #endif @@ -138,7 +143,7 @@ x11_init(w3mimg_op * self) xi->init_flag = TRUE; } #endif - if (!xi->imageGC) { + if (xi && !xi->imageGC) { xi->imageGC = XCreateGC(xi->display, xi->parent, 0, NULL); if (!xi->imageGC) return 0; @@ -653,9 +658,11 @@ x11_get_image_size(w3mimg_op * self, W3MImage * img, char *fname, int *w, if (self == NULL) return 0; +#if defined(USE_IMLIB) && defined(USE_IMLIB2) xi = (struct x11_info *)self->priv; if (xi == NULL) return 0; +#endif #if defined(USE_IMLIB) im = Imlib_load_image(xi->id, fname); @@ -755,6 +762,9 @@ w3mimg_x11open() return NULL; memset(wop, 0, sizeof(w3mimg_op)); + if (getenv("W3M_USE_REMOTE_IMAGE")) + goto end; + xi = (struct x11_info *)malloc(sizeof(struct x11_info)); if (xi == NULL) goto error; @@ -807,6 +817,7 @@ w3mimg_x11open() wop->priv = xi; + end: wop->init = x11_init; wop->finish = x11_finish; wop->active = x11_active;