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test: add URL and "rect" attribute to pdf-tagged-text

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This commit is contained in:
Adrian Johnson 2021-07-16 09:50:35 +09:30
parent 1c64d2635b
commit 81d7b2e3a4
1 changed files with 26 additions and 1 deletions
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27
test/pdf-tagged-text.c
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@ -191,6 +191,7 @@ draw_page_num (cairo_surface_t *surface, cairo_t *cr, const char *prefix, int nu
cairo_save (cr);
cairo_select_font_face (cr, "Sans", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_font_size(cr, 12);
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_move_to (cr, PAGE_WIDTH/2, PAGE_HEIGHT - MARGIN);
cairo_show_text (cr, buf);
cairo_restore (cr);
@ -311,13 +312,37 @@ draw_section (cairo_surface_t *surface, cairo_t *cr, const struct section *secti
static void
draw_cover (cairo_surface_t *surface, cairo_t *cr)
{
cairo_text_extents_t text_extents;
char buf[200];
cairo_rectangle_t url_box;
const char *cairo_url = "https://www.cairographics.org/";
const double url_box_margin = 20.0;
cairo_select_font_face (cr, "Sans", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD);
cairo_set_font_size(cr, 16);
cairo_move_to (cr, PAGE_WIDTH/3, PAGE_HEIGHT/2);
cairo_move_to (cr, PAGE_WIDTH/3, PAGE_HEIGHT/3);
cairo_tag_begin (cr, "Span", NULL);
cairo_show_text (cr, "PDF Features Test");
cairo_tag_end (cr, "Span");
/* Test URL link using "rect" attribute. The entire rectangle surrounding the URL should be a clickable link. */
cairo_move_to (cr, PAGE_WIDTH/3, 2*PAGE_HEIGHT/3);
cairo_select_font_face (cr, "Sans", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_font_size(cr, TEXT_SIZE);
cairo_set_source_rgb (cr, 0, 0, 1);
cairo_show_text (cr, cairo_url);
cairo_text_extents (cr, cairo_url, &text_extents);
url_box.x = PAGE_WIDTH/3 - url_box_margin;
url_box.y = 2*PAGE_HEIGHT/3 - url_box_margin;
url_box.width = text_extents.width + 2*url_box_margin;
url_box.height = -text_extents.height + 2*url_box_margin;
cairo_rectangle(cr, url_box.x, url_box.y, url_box.width, url_box.height);
cairo_stroke(cr);
snprintf(buf, sizeof(buf), "rect=[%f %f %f %f] uri=\'%s\'",
url_box.x, url_box.y, url_box.width, url_box.height, cairo_url);
cairo_tag_begin (cr, CAIRO_TAG_LINK, buf);
cairo_tag_end (cr, CAIRO_TAG_LINK);
draw_page_num (surface, cr, "cover", 0);
}