gfx/cairo/11-quartz-surface-tags.patch

   1 # HG changeset patch
   2 # User Jonathan Kew <jkew@mozilla.com>
   3 # Date 1713889788 -3600
   4 #      Tue Apr 23 17:29:48 2024 +0100
   5 # Node ID 0421354d816b993767e2409c425aaa95a5291a26
   6 # Parent  2a04d0b05957b4db2cd9e97f29d28565badca201
   7 Bug 1892913 - patch 13 - Apply 11-quartz-surface-tags.patch
   8
   9 diff --git a/gfx/cairo/cairo/src/cairo-quartz-surface.c b/gfx/cairo/cairo/src/cairo-quartz-surface.c
  10 --- a/gfx/cairo/cairo/src/cairo-quartz-surface.c
  11 +++ b/gfx/cairo/cairo/src/cairo-quartz-surface.c
  12 @@ -48,6 +48,7 @@
  13  #include "cairo-surface-backend-private.h"
  14  #include "cairo-surface-clipper-private.h"
  15  #include "cairo-recording-surface-private.h"
  16 +#include "cairo-tag-attributes-private.h"
  17
  18  #include <dlfcn.h>
  19
  20 @@ -2190,6 +2191,70 @@ static cairo_status_t
  21      return CAIRO_STATUS_SUCCESS;
  22  }
  23
  24 +static cairo_int_status_t
  25 +_cairo_quartz_surface_tag (void                               *abstract_surface,
  26 +                          cairo_bool_t                 begin,
  27 +                          const char                  *tag_name,
  28 +                          const char                  *attributes,
  29 +                          const cairo_pattern_t       *source,
  30 +                          const cairo_stroke_style_t  *style,
  31 +                          const cairo_matrix_t        *ctm,
  32 +                          const cairo_matrix_t        *ctm_inverse,
  33 +                          const cairo_clip_t          *clip)
  34 +{
  35 +    cairo_link_attrs_t link_attrs;
  36 +    cairo_int_status_t status = CAIRO_STATUS_SUCCESS;
  37 +    int i, num_rects;
  38 +    cairo_quartz_surface_t *surface = (cairo_quartz_surface_t *) abstract_surface;
  39 +
  40 +    /* Currently the only tag we support is "Link" */
  41 +    if (strcmp (tag_name, "Link"))
  42 +        return CAIRO_INT_STATUS_UNSUPPORTED;
  43 +
  44 +    /* We only process the 'begin' tag, and expect a rect attribute;
  45 +       using the extents of the drawing operations enclosed by the begin/end
  46 +       link tags to define the clickable area is not implemented. */
  47 +    if (!begin)
  48 +        return status;
  49 +
  50 +    status = _cairo_tag_parse_link_attributes (attributes, &link_attrs);
  51 +    if (unlikely (status))
  52 +       return status;
  53 +
  54 +    num_rects = _cairo_array_num_elements (&link_attrs.rects);
  55 +    if (num_rects > 0) {
  56 +        CFURLRef url = CFURLCreateWithBytes (NULL,
  57 +                                             (const UInt8 *) link_attrs.uri,
  58 +                                             strlen (link_attrs.uri),
  59 +                                             kCFStringEncodingUTF8,
  60 +                                             NULL);
  61 +
  62 +        for (i = 0; i < num_rects; i++) {
  63 +            CGRect link_rect;
  64 +            cairo_rectangle_t rectf;
  65 +
  66 +            _cairo_array_copy_element (&link_attrs.rects, i, &rectf);
  67 +
  68 +            link_rect =
  69 +                CGRectMake (rectf.x,
  70 +                            surface->extents.height - rectf.y - rectf.height,
  71 +                            rectf.width,
  72 +                            rectf.height);
  73 +
  74 +            CGPDFContextSetURLForRect (surface->cgContext, url, link_rect);
  75 +        }
  76 +
  77 +        CFRelease (url);
  78 +    }
  79 +
  80 +    _cairo_array_fini (&link_attrs.rects);
  81 +    free (link_attrs.dest);
  82 +    free (link_attrs.uri);
  83 +    free (link_attrs.file);
  84 +
  85 +    return status;
  86 +}
  87 +
  88  // XXXtodo implement show_page; need to figure out how to handle begin/end
  89
  90  static const cairo_surface_backend_t cairo_quartz_surface_backend = {
  91 @@ -2226,7 +2291,7 @@ static const cairo_surface_backend_t cai
  92      NULL, /* has_show_text_glyphs */
  93      NULL, /* show_text_glyphs */
  94      NULL, /* get_supported_mime_types */
  95 -    NULL, /* tag */
  96 +    _cairo_quartz_surface_tag   /* tag */
  97  };
  98
  99  cairo_quartz_surface_t *