diff options
Diffstat (limited to 'debian/patches/450_remoteimg.patch')
| -rw-r--r-- | debian/patches/450_remoteimg.patch | 936 |
1 files changed, 936 insertions, 0 deletions
diff --git a/debian/patches/450_remoteimg.patch b/debian/patches/450_remoteimg.patch new file mode 100644 index 0000000..0298e46 --- /dev/null +++ b/debian/patches/450_remoteimg.patch @@ -0,0 +1,936 @@ +Subject: Support OSC 5379 remote imaging and sixel graphics +Author: Araki Ken <arakiken@users.sf.net> +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("<pre_int><img_alt hseq=\"%d\" src=\"", cur_iseq++)); + pre_int = TRUE; +@@ -3377,19 +3383,21 @@ process_img(struct parsed_tag *tag, int width) + if (i0 >= 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 <unistd.h> + #include "config.h" + #include <string.h> ++#include <sys/wait.h> + #ifdef HAVE_SYS_SELECT_H + #include <sys/select.h> + #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; |