diff options
Diffstat (limited to 'source/html/html-layout.c')
| -rw-r--r-- | source/html/html-layout.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/source/html/html-layout.c b/source/html/html-layout.c index 802b8288..1416b502 100644 --- a/source/html/html-layout.c +++ b/source/html/html-layout.c @@ -795,9 +795,9 @@ static void measure_image(fz_context *ctx, fz_html_flow *node, float max_w, floa float image_h = node->content.image->h * 72 / 96; node->x = 0; node->y = 0; - if (image_w > max_w) + if (max_w > 0 && image_w > max_w) xs = max_w / image_w; - if (image_h > max_h) + if (max_h > 0 && image_h > max_h) ys = max_h / image_h; s = fz_min(xs, ys); node->w = image_w * s; @@ -1208,10 +1208,13 @@ static void find_accumulated_margins(fz_context *ctx, fz_html_box *box, float *w static void flush_line(fz_context *ctx, fz_html_box *box, float page_h, float page_w, float line_w, int align, float indent, fz_html_flow *a, fz_html_flow *b) { float avail, line_h, baseline; - avail = page_h - fmodf(box->y + box->h, page_h); line_h = measure_line(a, b, &baseline); - if (line_h > avail) - box->h += avail; + if (page_h > 0) + { + avail = page_h - fmodf(box->y + box->h, page_h); + if (line_h > avail) + box->h += avail; + } layout_line(ctx, indent, page_w, line_w, align, a, b, box, baseline, line_h); box->h += line_h; } @@ -1350,6 +1353,8 @@ static void layout_flow(fz_context *ctx, fz_html_box *box, fz_html_box *top, flo static int layout_block_page_break(fz_context *ctx, fz_html_box *box, float page_h, float vertical, int page_break) { + if (page_h <= 0) + return 0; if (page_break == PB_ALWAYS || page_break == PB_LEFT || page_break == PB_RIGHT) { float avail = page_h - fmodf(box->y + box->h - vertical, page_h); @@ -2470,7 +2475,19 @@ fz_layout_html(fz_context *ctx, fz_html *html, float w, float h, float em) html->page_margin[R] = fz_from_css_number(html->root->style.margin[R], em, em, 0); html->page_w = w - html->page_margin[L] - html->page_margin[R]; - html->page_h = h - html->page_margin[T] - html->page_margin[B]; + if (html->page_w <= 72) + html->page_w = 72; /* enforce a minimum page size! */ + if (h > 0) + { + html->page_h = h - html->page_margin[T] - html->page_margin[B]; + if (html->page_h <= 72) + html->page_h = 72; /* enforce a minimum page size! */ + } + else + { + /* h 0 means no pagination */ + html->page_h = 0; + } fz_hb_lock(ctx); @@ -2502,6 +2519,9 @@ fz_layout_html(fz_context *ctx, fz_html *html, float w, float h, float em) fz_rethrow(ctx); } + if (h == 0) + html->page_h = box->h; + #ifndef NDEBUG if (fz_atoi(getenv("FZ_DEBUG_HTML"))) fz_debug_html(ctx, html->root); |