static void
xps_load_links_in_path(fz_context *ctx, xps_document *doc, const fz_matrix *ctm,
char *base_uri, xps_resource *dict, fz_xml *root, fz_link **link)
{
char *navigate_uri_att = fz_xml_att(root, "FixedPage.NavigateUri");
if (navigate_uri_att)
{
char *transform_att = fz_xml_att(root, "RenderTransform");
fz_xml *transform_tag = fz_xml_down(fz_xml_find_down(root, "Path.RenderTransform"));
char *data_att = fz_xml_att(root, "Data");
fz_xml *data_tag = fz_xml_down(fz_xml_find_down(root, "Path.Data"));
fz_path *path = NULL;
int fill_rule;
fz_matrix local_ctm;
fz_rect area;
xps_resolve_resource_reference(ctx, doc, dict, &data_att, &data_tag, NULL);
xps_resolve_resource_reference(ctx, doc, dict, &transform_att, &transform_tag, NULL);
xps_parse_transform(ctx, doc, transform_att, transform_tag, &local_ctm, ctm);
if (data_att)
path = xps_parse_abbreviated_geometry(ctx, doc, data_att, &fill_rule);
else if (data_tag)
path = xps_parse_path_geometry(ctx, doc, dict, data_tag, 0, &fill_rule);
if (path)
{
fz_bound_path(ctx, path, NULL, &local_ctm, &area);
fz_drop_path(ctx, path);
xps_add_link(ctx, doc, &area, base_uri, navigate_uri_att, link);
}
}
}
static void
xps_load_links_in_glyphs(fz_context *ctx, xps_document *doc, const fz_matrix *ctm,
char *base_uri, xps_resource *dict, fz_xml *root, fz_link **link)
{
char *navigate_uri_att = fz_xml_att(root, "FixedPage.NavigateUri");
if (navigate_uri_att)
{
char *transform_att = fz_xml_att(root, "RenderTransform");
fz_xml *transform_tag = fz_xml_down(fz_xml_find_down(root, "Path.RenderTransform"));
char *bidi_level_att = fz_xml_att(root, "BidiLevel");
char *font_size_att = fz_xml_att(root, "FontRenderingEmSize");
char *font_uri_att = fz_xml_att(root, "FontUri");
char *origin_x_att = fz_xml_att(root, "OriginX");
char *origin_y_att = fz_xml_att(root, "OriginY");
char *is_sideways_att = fz_xml_att(root, "IsSideways");
char *indices_att = fz_xml_att(root, "Indices");
char *unicode_att = fz_xml_att(root, "UnicodeString");
char *style_att = fz_xml_att(root, "StyleSimulations");
int is_sideways = 0;
int bidi_level = 0;
fz_matrix local_ctm;
fz_font *font;
fz_text *text;
fz_rect area;
xps_resolve_resource_reference(ctx, doc, dict, &transform_att, &transform_tag, NULL);
xps_parse_transform(ctx, doc, transform_att, transform_tag, &local_ctm, ctm);
if (is_sideways_att)
is_sideways = !strcmp(is_sideways_att, "true");
if (bidi_level_att)
bidi_level = atoi(bidi_level_att);
font = xps_lookup_font(ctx, doc, base_uri, font_uri_att, style_att);
text = xps_parse_glyphs_imp(ctx, doc, &local_ctm, font, fz_atof(font_size_att),
fz_atof(origin_x_att), fz_atof(origin_y_att),
is_sideways, bidi_level, indices_att, unicode_att);
fz_bound_text(ctx, text, NULL, &local_ctm, &area);
fz_drop_text(ctx, text);
fz_drop_font(ctx, font);
xps_add_link(ctx, doc, &area, base_uri, navigate_uri_att, link);
}
}
void
xps_parse_canvas(fz_context *ctx, xps_document *doc, const fz_matrix *ctm, const fz_rect *area, char *base_uri, xps_resource *dict, fz_xml *root)
{
fz_device *dev = doc->dev;
xps_resource *new_dict = NULL;
fz_xml *node;
char *opacity_mask_uri;
char *transform_att;
char *clip_att;
char *opacity_att;
char *opacity_mask_att;
char *navigate_uri_att;
fz_xml *transform_tag = NULL;
fz_xml *clip_tag = NULL;
fz_xml *opacity_mask_tag = NULL;
fz_matrix transform;
transform_att = fz_xml_att(root, "RenderTransform");
clip_att = fz_xml_att(root, "Clip");
opacity_att = fz_xml_att(root, "Opacity");
opacity_mask_att = fz_xml_att(root, "OpacityMask");
navigate_uri_att = fz_xml_att(root, "FixedPage.NavigateUri");
for (node = fz_xml_down(root); node; node = fz_xml_next(node))
{
if (fz_xml_is_tag(node, "Canvas.Resources") && fz_xml_down(node))
{
if (new_dict)
{
fz_warn(ctx, "ignoring follow-up resource dictionaries");
}
else
{
new_dict = xps_parse_resource_dictionary(ctx, doc, base_uri, fz_xml_down(node));
if (new_dict)
{
new_dict->parent = dict;
dict = new_dict;
}
}
}
if (fz_xml_is_tag(node, "Canvas.RenderTransform"))
transform_tag = fz_xml_down(node);
if (fz_xml_is_tag(node, "Canvas.Clip"))
clip_tag = fz_xml_down(node);
if (fz_xml_is_tag(node, "Canvas.OpacityMask"))
opacity_mask_tag = fz_xml_down(node);
}
opacity_mask_uri = base_uri;
xps_resolve_resource_reference(ctx, doc, dict, &transform_att, &transform_tag, NULL);
xps_resolve_resource_reference(ctx, doc, dict, &clip_att, &clip_tag, NULL);
xps_resolve_resource_reference(ctx, doc, dict, &opacity_mask_att, &opacity_mask_tag, &opacity_mask_uri);
transform = fz_identity;
if (transform_att)
xps_parse_render_transform(ctx, doc, transform_att, &transform);
if (transform_tag)
xps_parse_matrix_transform(ctx, doc, transform_tag, &transform);
fz_concat(&transform, &transform, ctm);
if (navigate_uri_att)
xps_add_link(ctx, doc, area, base_uri, navigate_uri_att);
if (clip_att || clip_tag)
xps_clip(ctx, doc, &transform, dict, clip_att, clip_tag);
xps_begin_opacity(ctx, doc, &transform, area, opacity_mask_uri, dict, opacity_att, opacity_mask_tag);
for (node = fz_xml_down(root); node; node = fz_xml_next(node))
{
xps_parse_element(ctx, doc, &transform, area, base_uri, dict, node);
}
xps_end_opacity(ctx, doc, opacity_mask_uri, dict, opacity_att, opacity_mask_tag);
if (clip_att || clip_tag)
fz_pop_clip(ctx, dev);
if (new_dict)
xps_drop_resource_dictionary(ctx, doc, new_dict);
}
void
xps_parse_path(xps_document *doc, const fz_matrix *ctm, char *base_uri, xps_resource *dict, fz_xml *root)
{
fz_xml *node;
char *fill_uri;
char *stroke_uri;
char *opacity_mask_uri;
char *transform_att;
char *clip_att;
char *data_att;
char *fill_att;
char *stroke_att;
char *opacity_att;
char *opacity_mask_att;
fz_xml *transform_tag = NULL;
fz_xml *clip_tag = NULL;
fz_xml *data_tag = NULL;
fz_xml *fill_tag = NULL;
fz_xml *stroke_tag = NULL;
fz_xml *opacity_mask_tag = NULL;
char *fill_opacity_att = NULL;
char *stroke_opacity_att = NULL;
char *stroke_dash_array_att;
char *stroke_dash_cap_att;
char *stroke_dash_offset_att;
char *stroke_end_line_cap_att;
char *stroke_start_line_cap_att;
char *stroke_line_join_att;
char *stroke_miter_limit_att;
char *stroke_thickness_att;
char *navigate_uri_att;
fz_stroke_state *stroke = NULL;
fz_matrix transform;
float samples[32];
fz_colorspace *colorspace;
fz_path *path = NULL;
fz_path *stroke_path = NULL;
fz_rect area;
int fill_rule;
int dash_len = 0;
fz_matrix local_ctm;
/*
* Extract attributes and extended attributes.
*/
transform_att = fz_xml_att(root, "RenderTransform");
clip_att = fz_xml_att(root, "Clip");
data_att = fz_xml_att(root, "Data");
fill_att = fz_xml_att(root, "Fill");
stroke_att = fz_xml_att(root, "Stroke");
opacity_att = fz_xml_att(root, "Opacity");
opacity_mask_att = fz_xml_att(root, "OpacityMask");
stroke_dash_array_att = fz_xml_att(root, "StrokeDashArray");
stroke_dash_cap_att = fz_xml_att(root, "StrokeDashCap");
stroke_dash_offset_att = fz_xml_att(root, "StrokeDashOffset");
stroke_end_line_cap_att = fz_xml_att(root, "StrokeEndLineCap");
stroke_start_line_cap_att = fz_xml_att(root, "StrokeStartLineCap");
stroke_line_join_att = fz_xml_att(root, "StrokeLineJoin");
stroke_miter_limit_att = fz_xml_att(root, "StrokeMiterLimit");
stroke_thickness_att = fz_xml_att(root, "StrokeThickness");
navigate_uri_att = fz_xml_att(root, "FixedPage.NavigateUri");
for (node = fz_xml_down(root); node; node = fz_xml_next(node))
{
if (!strcmp(fz_xml_tag(node), "Path.RenderTransform"))
transform_tag = fz_xml_down(node);
if (!strcmp(fz_xml_tag(node), "Path.OpacityMask"))
opacity_mask_tag = fz_xml_down(node);
if (!strcmp(fz_xml_tag(node), "Path.Clip"))
clip_tag = fz_xml_down(node);
if (!strcmp(fz_xml_tag(node), "Path.Fill"))
fill_tag = fz_xml_down(node);
if (!strcmp(fz_xml_tag(node), "Path.Stroke"))
stroke_tag = fz_xml_down(node);
if (!strcmp(fz_xml_tag(node), "Path.Data"))
data_tag = fz_xml_down(node);
}
fill_uri = base_uri;
stroke_uri = base_uri;
opacity_mask_uri = base_uri;
xps_resolve_resource_reference(doc, dict, &data_att, &data_tag, NULL);
xps_resolve_resource_reference(doc, dict, &clip_att, &clip_tag, NULL);
xps_resolve_resource_reference(doc, dict, &transform_att, &transform_tag, NULL);
xps_resolve_resource_reference(doc, dict, &fill_att, &fill_tag, &fill_uri);
xps_resolve_resource_reference(doc, dict, &stroke_att, &stroke_tag, &stroke_uri);
xps_resolve_resource_reference(doc, dict, &opacity_mask_att, &opacity_mask_tag, &opacity_mask_uri);
/*
* Act on the information we have gathered:
*/
if (!data_att && !data_tag)
return;
if (fill_tag && !strcmp(fz_xml_tag(fill_tag), "SolidColorBrush"))
{
fill_opacity_att = fz_xml_att(fill_tag, "Opacity");
fill_att = fz_xml_att(fill_tag, "Color");
fill_tag = NULL;
}
if (stroke_tag && !strcmp(fz_xml_tag(stroke_tag), "SolidColorBrush"))
{
stroke_opacity_att = fz_xml_att(stroke_tag, "Opacity");
stroke_att = fz_xml_att(stroke_tag, "Color");
stroke_tag = NULL;
}
if (stroke_att || stroke_tag)
{
if (stroke_dash_array_att)
{
char *s = stroke_dash_array_att;
while (*s)
{
while (*s == ' ')
s++;
if (*s) /* needed in case of a space before the last quote */
dash_len++;
while (*s && *s != ' ')
s++;
}
}
stroke = fz_new_stroke_state_with_len(doc->ctx, dash_len);
stroke->start_cap = xps_parse_line_cap(stroke_start_line_cap_att);
stroke->dash_cap = xps_parse_line_cap(stroke_dash_cap_att);
stroke->end_cap = xps_parse_line_cap(stroke_end_line_cap_att);
stroke->linejoin = FZ_LINEJOIN_MITER_XPS;
if (stroke_line_join_att)
{
if (!strcmp(stroke_line_join_att, "Miter")) stroke->linejoin = FZ_LINEJOIN_MITER_XPS;
if (!strcmp(stroke_line_join_att, "Round")) stroke->linejoin = FZ_LINEJOIN_ROUND;
if (!strcmp(stroke_line_join_att, "Bevel")) stroke->linejoin = FZ_LINEJOIN_BEVEL;
}
stroke->miterlimit = 10;
if (stroke_miter_limit_att)
stroke->miterlimit = fz_atof(stroke_miter_limit_att);
stroke->linewidth = 1;
if (stroke_thickness_att)
stroke->linewidth = fz_atof(stroke_thickness_att);
stroke->dash_phase = 0;
stroke->dash_len = 0;
if (stroke_dash_array_att)
{
char *s = stroke_dash_array_att;
if (stroke_dash_offset_att)
stroke->dash_phase = fz_atof(stroke_dash_offset_att) * stroke->linewidth;
while (*s)
{
while (*s == ' ')
s++;
if (*s) /* needed in case of a space before the last quote */
stroke->dash_list[stroke->dash_len++] = fz_atof(s) * stroke->linewidth;
while (*s && *s != ' ')
s++;
}
/* cf. https://code.google.com/p/sumatrapdf/issues/detail?id=2339 */
if (dash_len > 0)
{
float phase_len = 0.0f;
int i;
for (i = 0; i < dash_len; i++)
phase_len += stroke->dash_list[i];
if (phase_len == 0.0f)
dash_len = 0;
}
stroke->dash_len = dash_len;
}
}
transform = fz_identity;
if (transform_att)
xps_parse_render_transform(doc, transform_att, &transform);
if (transform_tag)
xps_parse_matrix_transform(doc, transform_tag, &transform);
fz_concat(&local_ctm, &transform, ctm);
if (clip_att || clip_tag)
xps_clip(doc, &local_ctm, dict, clip_att, clip_tag);
fill_rule = 0;
if (data_att)
path = xps_parse_abbreviated_geometry(doc, data_att, &fill_rule);
else if (data_tag)
{
path = xps_parse_path_geometry(doc, dict, data_tag, 0, &fill_rule);
if (stroke_att || stroke_tag)
stroke_path = xps_parse_path_geometry(doc, dict, data_tag, 1, &fill_rule);
}
if (!stroke_path)
stroke_path = path;
if (stroke_att || stroke_tag)
{
fz_bound_path(doc->ctx, stroke_path, stroke, &local_ctm, &area);
if (stroke_path != path && (fill_att || fill_tag)) {
fz_rect bounds;
fz_bound_path(doc->ctx, path, NULL, &local_ctm, &bounds);
fz_union_rect(&area, &bounds);
}
}
else
fz_bound_path(doc->ctx, path, NULL, &local_ctm, &area);
/* SumatraPDF: extended link support */
xps_extract_anchor_info(doc, &area, navigate_uri_att, fz_xml_att(root, "Name"), 0);
navigate_uri_att = NULL;
if (navigate_uri_att)
xps_add_link(doc, &area, base_uri, navigate_uri_att);
xps_begin_opacity(doc, &local_ctm, &area, opacity_mask_uri, dict, opacity_att, opacity_mask_tag);
if (fill_att)
{
xps_parse_color(doc, base_uri, fill_att, &colorspace, samples);
if (fill_opacity_att)
samples[0] *= fz_atof(fill_opacity_att);
xps_set_color(doc, colorspace, samples);
fz_fill_path(doc->dev, path, fill_rule == 0, &local_ctm,
doc->colorspace, doc->color, doc->alpha);
}
if (fill_tag)
{
fz_clip_path(doc->dev, path, NULL, fill_rule == 0, &local_ctm);
xps_parse_brush(doc, &local_ctm, &area, fill_uri, dict, fill_tag);
fz_pop_clip(doc->dev);
}
if (stroke_att)
{
xps_parse_color(doc, base_uri, stroke_att, &colorspace, samples);
if (stroke_opacity_att)
samples[0] *= fz_atof(stroke_opacity_att);
xps_set_color(doc, colorspace, samples);
fz_stroke_path(doc->dev, stroke_path, stroke, &local_ctm,
doc->colorspace, doc->color, doc->alpha);
}
if (stroke_tag)
{
fz_clip_stroke_path(doc->dev, stroke_path, NULL, stroke, &local_ctm);
xps_parse_brush(doc, &local_ctm, &area, stroke_uri, dict, stroke_tag);
fz_pop_clip(doc->dev);
}
xps_end_opacity(doc, opacity_mask_uri, dict, opacity_att, opacity_mask_tag);
if (stroke_path != path)
fz_free_path(doc->ctx, stroke_path);
fz_free_path(doc->ctx, path);
path = NULL;
fz_drop_stroke_state(doc->ctx, stroke);
if (clip_att || clip_tag)
fz_pop_clip(doc->dev);
}
void
xps_parse_path(xps_document *doc, fz_matrix ctm, char *base_uri, xps_resource *dict, xml_element *root)
{
xml_element *node;
char *fill_uri;
char *stroke_uri;
char *opacity_mask_uri;
char *transform_att;
char *clip_att;
char *data_att;
char *fill_att;
char *stroke_att;
char *opacity_att;
char *opacity_mask_att;
xml_element *transform_tag = NULL;
xml_element *clip_tag = NULL;
xml_element *data_tag = NULL;
xml_element *fill_tag = NULL;
xml_element *stroke_tag = NULL;
xml_element *opacity_mask_tag = NULL;
char *fill_opacity_att = NULL;
char *stroke_opacity_att = NULL;
char *stroke_dash_array_att;
char *stroke_dash_cap_att;
char *stroke_dash_offset_att;
char *stroke_end_line_cap_att;
char *stroke_start_line_cap_att;
char *stroke_line_join_att;
char *stroke_miter_limit_att;
char *stroke_thickness_att;
char *navigate_uri_att;
fz_stroke_state stroke;
fz_matrix transform;
float samples[32];
fz_colorspace *colorspace;
fz_path *path;
fz_rect area;
int fill_rule;
/*
* Extract attributes and extended attributes.
*/
transform_att = xml_att(root, "RenderTransform");
clip_att = xml_att(root, "Clip");
data_att = xml_att(root, "Data");
fill_att = xml_att(root, "Fill");
stroke_att = xml_att(root, "Stroke");
opacity_att = xml_att(root, "Opacity");
opacity_mask_att = xml_att(root, "OpacityMask");
stroke_dash_array_att = xml_att(root, "StrokeDashArray");
stroke_dash_cap_att = xml_att(root, "StrokeDashCap");
stroke_dash_offset_att = xml_att(root, "StrokeDashOffset");
stroke_end_line_cap_att = xml_att(root, "StrokeEndLineCap");
stroke_start_line_cap_att = xml_att(root, "StrokeStartLineCap");
stroke_line_join_att = xml_att(root, "StrokeLineJoin");
stroke_miter_limit_att = xml_att(root, "StrokeMiterLimit");
stroke_thickness_att = xml_att(root, "StrokeThickness");
navigate_uri_att = xml_att(root, "FixedPage.NavigateUri");
for (node = xml_down(root); node; node = xml_next(node))
{
if (!strcmp(xml_tag(node), "Path.RenderTransform"))
transform_tag = xml_down(node);
if (!strcmp(xml_tag(node), "Path.OpacityMask"))
opacity_mask_tag = xml_down(node);
if (!strcmp(xml_tag(node), "Path.Clip"))
clip_tag = xml_down(node);
if (!strcmp(xml_tag(node), "Path.Fill"))
fill_tag = xml_down(node);
if (!strcmp(xml_tag(node), "Path.Stroke"))
stroke_tag = xml_down(node);
if (!strcmp(xml_tag(node), "Path.Data"))
data_tag = xml_down(node);
}
fill_uri = base_uri;
stroke_uri = base_uri;
opacity_mask_uri = base_uri;
xps_resolve_resource_reference(doc, dict, &data_att, &data_tag, NULL);
xps_resolve_resource_reference(doc, dict, &clip_att, &clip_tag, NULL);
xps_resolve_resource_reference(doc, dict, &transform_att, &transform_tag, NULL);
xps_resolve_resource_reference(doc, dict, &fill_att, &fill_tag, &fill_uri);
xps_resolve_resource_reference(doc, dict, &stroke_att, &stroke_tag, &stroke_uri);
xps_resolve_resource_reference(doc, dict, &opacity_mask_att, &opacity_mask_tag, &opacity_mask_uri);
/*
* Act on the information we have gathered:
*/
if (!data_att && !data_tag)
return;
if (fill_tag && !strcmp(xml_tag(fill_tag), "SolidColorBrush"))
{
fill_opacity_att = xml_att(fill_tag, "Opacity");
fill_att = xml_att(fill_tag, "Color");
fill_tag = NULL;
}
if (stroke_tag && !strcmp(xml_tag(stroke_tag), "SolidColorBrush"))
{
stroke_opacity_att = xml_att(stroke_tag, "Opacity");
stroke_att = xml_att(stroke_tag, "Color");
stroke_tag = NULL;
}
stroke.start_cap = xps_parse_line_cap(stroke_start_line_cap_att);
stroke.dash_cap = xps_parse_line_cap(stroke_dash_cap_att);
stroke.end_cap = xps_parse_line_cap(stroke_end_line_cap_att);
stroke.linejoin = FZ_LINEJOIN_MITER_XPS;
if (stroke_line_join_att)
{
if (!strcmp(stroke_line_join_att, "Miter")) stroke.linejoin = FZ_LINEJOIN_MITER_XPS;
if (!strcmp(stroke_line_join_att, "Round")) stroke.linejoin = FZ_LINEJOIN_ROUND;
if (!strcmp(stroke_line_join_att, "Bevel")) stroke.linejoin = FZ_LINEJOIN_BEVEL;
}
stroke.miterlimit = 10;
if (stroke_miter_limit_att)
stroke.miterlimit = fz_atof(stroke_miter_limit_att);
stroke.linewidth = 1;
if (stroke_thickness_att)
stroke.linewidth = fz_atof(stroke_thickness_att);
stroke.dash_phase = 0;
stroke.dash_len = 0;
if (stroke_dash_array_att)
{
char *s = stroke_dash_array_att;
if (stroke_dash_offset_att)
stroke.dash_phase = fz_atof(stroke_dash_offset_att) * stroke.linewidth;
while (*s && stroke.dash_len < nelem(stroke.dash_list))
{
while (*s == ' ')
s++;
if (*s) /* needed in case of a space before the last quote */
stroke.dash_list[stroke.dash_len++] = fz_atof(s) * stroke.linewidth;
while (*s && *s != ' ')
s++;
}
}
transform = fz_identity;
if (transform_att)
xps_parse_render_transform(doc, transform_att, &transform);
if (transform_tag)
xps_parse_matrix_transform(doc, transform_tag, &transform);
ctm = fz_concat(transform, ctm);
if (clip_att || clip_tag)
xps_clip(doc, ctm, dict, clip_att, clip_tag);
fill_rule = 0;
if (data_att)
path = xps_parse_abbreviated_geometry(doc, data_att, &fill_rule);
else if (data_tag)
path = xps_parse_path_geometry(doc, dict, data_tag, 0, &fill_rule);
if (stroke_att || stroke_tag)
area = fz_bound_path(doc->ctx, path, &stroke, ctm);
else
area = fz_bound_path(doc->ctx, path, NULL, ctm);
if (navigate_uri_att)
xps_add_link(doc, area, base_uri, navigate_uri_att);
xps_begin_opacity(doc, ctm, area, opacity_mask_uri, dict, opacity_att, opacity_mask_tag);
if (fill_att)
{
xps_parse_color(doc, base_uri, fill_att, &colorspace, samples);
if (fill_opacity_att)
samples[0] = fz_atof(fill_opacity_att);
xps_set_color(doc, colorspace, samples);
fz_fill_path(doc->dev, path, fill_rule == 0, ctm,
doc->colorspace, doc->color, doc->alpha);
}
if (fill_tag)
{
area = fz_bound_path(doc->ctx, path, NULL, ctm);
fz_clip_path(doc->dev, path, NULL, fill_rule == 0, ctm);
xps_parse_brush(doc, ctm, area, fill_uri, dict, fill_tag);
fz_pop_clip(doc->dev);
}
if (stroke_att)
{
xps_parse_color(doc, base_uri, stroke_att, &colorspace, samples);
if (stroke_opacity_att)
samples[0] = fz_atof(stroke_opacity_att);
xps_set_color(doc, colorspace, samples);
fz_stroke_path(doc->dev, path, &stroke, ctm,
doc->colorspace, doc->color, doc->alpha);
}
if (stroke_tag)
{
fz_clip_stroke_path(doc->dev, path, NULL, &stroke, ctm);
xps_parse_brush(doc, ctm, area, stroke_uri, dict, stroke_tag);
fz_pop_clip(doc->dev);
}
xps_end_opacity(doc, opacity_mask_uri, dict, opacity_att, opacity_mask_tag);
fz_free_path(doc->ctx, path);
path = NULL;
if (clip_att || clip_tag)
fz_pop_clip(doc->dev);
}
void
xps_parse_canvas(xps_document *doc, const fz_matrix *ctm, const fz_rect *area, char *base_uri, xps_resource *dict, fz_xml *root)
{
xps_resource *new_dict = NULL;
fz_xml *node;
char *opacity_mask_uri;
char *transform_att;
char *clip_att;
char *opacity_att;
char *opacity_mask_att;
char *navigate_uri_att;
fz_xml *transform_tag = NULL;
fz_xml *clip_tag = NULL;
fz_xml *opacity_mask_tag = NULL;
fz_matrix transform;
transform_att = fz_xml_att(root, "RenderTransform");
clip_att = fz_xml_att(root, "Clip");
opacity_att = fz_xml_att(root, "Opacity");
opacity_mask_att = fz_xml_att(root, "OpacityMask");
navigate_uri_att = fz_xml_att(root, "FixedPage.NavigateUri");
for (node = fz_xml_down(root); node; node = fz_xml_next(node))
{
if (!strcmp(fz_xml_tag(node), "Canvas.Resources") && fz_xml_down(node))
{
if (new_dict)
{
fz_warn(doc->ctx, "ignoring follow-up resource dictionaries");
}
else
{
new_dict = xps_parse_resource_dictionary(doc, base_uri, fz_xml_down(node));
if (new_dict)
{
new_dict->parent = dict;
dict = new_dict;
}
}
}
if (!strcmp(fz_xml_tag(node), "Canvas.RenderTransform"))
transform_tag = fz_xml_down(node);
if (!strcmp(fz_xml_tag(node), "Canvas.Clip"))
clip_tag = fz_xml_down(node);
if (!strcmp(fz_xml_tag(node), "Canvas.OpacityMask"))
opacity_mask_tag = fz_xml_down(node);
}
opacity_mask_uri = base_uri;
xps_resolve_resource_reference(doc, dict, &transform_att, &transform_tag, NULL);
xps_resolve_resource_reference(doc, dict, &clip_att, &clip_tag, NULL);
xps_resolve_resource_reference(doc, dict, &opacity_mask_att, &opacity_mask_tag, &opacity_mask_uri);
transform = fz_identity;
if (transform_att)
xps_parse_render_transform(doc, transform_att, &transform);
if (transform_tag)
xps_parse_matrix_transform(doc, transform_tag, &transform);
fz_concat(&transform, &transform, ctm);
/* SumatraPDF: extended link support */
xps_extract_anchor_info(doc, &fz_empty_rect, navigate_uri_att, NULL, 1);
navigate_uri_att = NULL;
if (navigate_uri_att)
xps_add_link(doc, area, base_uri, navigate_uri_att);
if (clip_att || clip_tag)
xps_clip(doc, &transform, dict, clip_att, clip_tag);
xps_begin_opacity(doc, &transform, area, opacity_mask_uri, dict, opacity_att, opacity_mask_tag);
for (node = fz_xml_down(root); node; node = fz_xml_next(node))
{
xps_parse_element(doc, &transform, area, base_uri, dict, node);
}
xps_end_opacity(doc, opacity_mask_uri, dict, opacity_att, opacity_mask_tag);
/* SumatraPDF: extended link support */
xps_extract_anchor_info(doc, area, NULL, fz_xml_att(root, "Name"), 2);
if (clip_att || clip_tag)
fz_pop_clip(doc->dev);
if (new_dict)
xps_free_resource_dictionary(doc, new_dict);
}