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-rw-r--r--image.c199
1 files changed, 188 insertions, 11 deletions
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;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-29 21:52:26 +0000