void
fz_clip_stroke_path(fz_device *dev, fz_path *path, const fz_rect *rect, fz_stroke_state *stroke, const fz_matrix *ctm)
{
fz_context *ctx = dev->ctx;
if (dev->error_depth)
{
dev->error_depth++;
return;
}
fz_try(ctx)
{
if (dev->hints & FZ_MAINTAIN_CONTAINER_STACK)
{
if (rect == NULL)
{
fz_rect bbox;
fz_bound_path(ctx, path, stroke, ctm, &bbox);
push_clip_stack(dev, &bbox, fz_device_container_stack_is_clip_stroke_path);
}
else
push_clip_stack(dev, rect, fz_device_container_stack_is_clip_stroke_path);
}
if (dev->clip_stroke_path)
dev->clip_stroke_path(dev, path, rect, stroke, ctm);
}
fz_catch(ctx)
{
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught_message(ctx));
/* Error swallowed */
}
}
void
fz_clip_path(fz_context *ctx, fz_device *dev, const fz_path *path, int even_odd, const fz_matrix *ctm, const fz_rect *scissor)
{
if (dev->error_depth)
{
dev->error_depth++;
return;
}
fz_try(ctx)
{
if (dev->hints & FZ_MAINTAIN_CONTAINER_STACK)
{
if (scissor == NULL)
{
fz_rect bbox;
fz_bound_path(ctx, path, NULL, ctm, &bbox);
push_clip_stack(ctx, dev, &bbox, fz_device_container_stack_is_clip_path);
}
else
push_clip_stack(ctx, dev, scissor, fz_device_container_stack_is_clip_path);
}
if (dev->clip_path)
dev->clip_path(ctx, dev, path, even_odd, ctm, scissor);
}
fz_catch(ctx)
{
dev->error_depth = 1;
strcpy(dev->errmess, fz_caught_message(ctx));
/* Error swallowed */
}
}
static void
fz_bbox_stroke_path(fz_context *ctx, fz_device *dev, fz_path *path, fz_stroke_state *stroke,
const fz_matrix *ctm, fz_colorspace *colorspace, float *color, float alpha)
{
fz_rect r;
fz_bbox_add_rect(ctx, dev, fz_bound_path(ctx, path, stroke, ctm, &r), 0);
}
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
fz_bbox_fill_path(fz_context *ctx, fz_device *dev, fz_path *path, int even_odd, const fz_matrix *ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
fz_rect r;
fz_bbox_add_rect(ctx, dev, fz_bound_path(ctx, path, NULL, ctm, &r), 0);
}
static void
fz_draw_clip_path(fz_device *devp, fz_path *path, fz_rect rect, int even_odd, fz_matrix ctm)
{
fz_draw_device *dev = devp->user;
float expansion = fz_matrix_expansion(ctm);
float flatness = 0.3f / expansion;
fz_bbox bbox;
fz_draw_state *state = &dev->stack[dev->top];
fz_colorspace *model;
fz_context *ctx = dev->ctx;
fz_reset_gel(dev->gel, state->scissor);
fz_flatten_fill_path(dev->gel, path, ctm, flatness);
fz_sort_gel(dev->gel);
state = push_stack(dev);
model = state->dest->colorspace;
bbox = fz_bound_gel(dev->gel);
bbox = fz_intersect_bbox(bbox, state->scissor);
bbox = fz_intersect_bbox(bbox, fz_bbox_from_rect(rect));
/* SumatraPDF: try to match rendering with and without display list */
if (fz_is_infinite_rect(rect))
bbox = fz_intersect_bbox(bbox, fz_bbox_from_rect(fz_bound_path(ctx, path, NULL, ctm)));
if (fz_is_empty_rect(bbox) || fz_is_rect_gel(dev->gel))
{
state[1].scissor = bbox;
state[1].mask = NULL;
#ifdef DUMP_GROUP_BLENDS
dump_spaces(dev->top-1, "Clip (rectangular) begin\n");
#endif
return;
}
fz_try(ctx)
{
state[1].mask = fz_new_pixmap_with_bbox(dev->ctx, NULL, bbox);
fz_clear_pixmap(dev->ctx, state[1].mask);
state[1].dest = fz_new_pixmap_with_bbox(dev->ctx, model, bbox);
fz_clear_pixmap(dev->ctx, state[1].dest);
if (state[1].shape)
{
state[1].shape = fz_new_pixmap_with_bbox(dev->ctx, NULL, bbox);
fz_clear_pixmap(dev->ctx, state[1].shape);
}
fz_scan_convert(dev->gel, even_odd, bbox, state[1].mask, NULL);
state[1].blendmode |= FZ_BLEND_ISOLATED;
state[1].scissor = bbox;
#ifdef DUMP_GROUP_BLENDS
dump_spaces(dev->top-1, "Clip (non-rectangular) begin\n");
#endif
}
fz_catch(ctx)
{
emergency_pop_stack(dev, state);
}
}
static void
fz_draw_clip_stroke_path(fz_device *devp, fz_path *path, fz_rect *rect, fz_stroke_state *stroke, fz_matrix ctm)
{
fz_draw_device *dev = devp->user;
float expansion = fz_matrix_expansion(ctm);
float flatness = 0.3f / expansion;
float linewidth = stroke->linewidth;
fz_bbox bbox;
fz_draw_state *state = &dev->stack[dev->top];
fz_colorspace *model;
fz_context *ctx = dev->ctx;
if (linewidth * expansion < 0.1f)
linewidth = 1 / expansion;
fz_reset_gel(dev->gel, state->scissor);
if (stroke->dash_len > 0)
fz_flatten_dash_path(dev->gel, path, stroke, ctm, flatness, linewidth);
else
fz_flatten_stroke_path(dev->gel, path, stroke, ctm, flatness, linewidth);
fz_sort_gel(dev->gel);
state = push_stack(dev);
model = state->dest->colorspace;
bbox = fz_bound_gel(dev->gel);
bbox = fz_intersect_bbox(bbox, state->scissor);
if (rect)
bbox = fz_intersect_bbox(bbox, fz_bbox_covering_rect(*rect));
/* SumatraPDF: try to match rendering with and without display list */
else
bbox = fz_intersect_bbox(bbox, fz_bbox_covering_rect(fz_bound_path(ctx, path, stroke, ctm)));
fz_try(ctx)
{
state[1].mask = fz_new_pixmap_with_bbox(dev->ctx, NULL, bbox);
fz_clear_pixmap(dev->ctx, state[1].mask);
state[1].dest = fz_new_pixmap_with_bbox(dev->ctx, model, bbox);
fz_clear_pixmap(dev->ctx, state[1].dest);
if (state->shape)
{
state[1].shape = fz_new_pixmap_with_bbox(dev->ctx, NULL, bbox);
fz_clear_pixmap(dev->ctx, state[1].shape);
}
if (!fz_is_empty_rect(bbox))
fz_scan_convert(dev->gel, 0, bbox, state[1].mask, NULL);
state[1].blendmode |= FZ_BLEND_ISOLATED;
state[1].scissor = bbox;
#ifdef DUMP_GROUP_BLENDS
dump_spaces(dev->top-1, "Clip (stroke) begin\n");
#endif
}
fz_catch(ctx)
{
emergency_pop_stack(dev, state);
}
}
static void
fz_bbox_stroke_path(fz_device *dev, fz_path *path, fz_stroke_state *stroke,
const fz_matrix *ctm, fz_colorspace *colorspace, float *color, float alpha)
{
fz_rect *result = dev->user;
fz_rect r;
fz_union_rect(result, fz_bound_path(dev->ctx, path, stroke, ctm, &r));
}
static void
fz_bbox_fill_path(fz_device *dev, fz_path *path, int even_odd, fz_matrix ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
fz_bbox *result = dev->user;
fz_bbox bbox = fz_round_rect(fz_bound_path(path, NULL, ctm));
*result = fz_union_bbox(*result, bbox);
}
static void
fz_bbox_stroke_path(fz_device *dev, fz_path *path, fz_stroke_state *stroke, fz_matrix ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
fz_bbox *result = dev->user;
fz_bbox bbox = fz_round_rect(fz_bound_path(path, stroke, ctm));
*result = fz_union_bbox(*result, bbox);
}
static void
fz_bbox_fill_path(fz_device *dev, fz_path *path, int even_odd, const fz_matrix *ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
fz_rect *result = dev->user;
fz_rect r;
fz_union_rect(result, fz_bound_path(dev->ctx, path, NULL, ctm, &r));
}
static void
fz_list_fill_path(void *user, fz_path *path, int even_odd, fz_matrix ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
fz_display_node *node;
node = fz_new_display_node(FZ_CMD_FILL_PATH, ctm, colorspace, color, alpha);
node->rect = fz_bound_path(path, NULL, ctm);
node->item.path = fz_clone_path(path);
node->flag = even_odd;
fz_append_display_node(user, node);
}
static void
fz_list_stroke_path(void *user, fz_path *path, fz_stroke_state *stroke, fz_matrix ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
fz_display_node *node;
node = fz_new_display_node(FZ_CMD_STROKE_PATH, ctm, colorspace, color, alpha);
node->rect = fz_bound_path(path, stroke, ctm);
node->item.path = fz_clone_path(path);
node->stroke = fz_clone_stroke_state(stroke);
fz_append_display_node(user, node);
}
static void
fz_list_clip_path(void *user, fz_path *path, fz_rect *rect, int even_odd, fz_matrix ctm)
{
fz_display_node *node;
node = fz_new_display_node(FZ_CMD_CLIP_PATH, ctm, NULL, NULL, 0);
node->rect = fz_bound_path(path, NULL, ctm);
if (rect != NULL)
node->rect = fz_intersect_rect(node->rect, *rect);
node->item.path = fz_clone_path(path);
node->flag = even_odd;
fz_append_display_node(user, node);
}
static void
fz_list_clip_stroke_path(void *user, fz_path *path, fz_rect *rect, fz_stroke_state *stroke, fz_matrix ctm)
{
fz_display_node *node;
node = fz_new_display_node(FZ_CMD_CLIP_STROKE_PATH, ctm, NULL, NULL, 0);
node->rect = fz_bound_path(path, stroke, ctm);
if (rect != NULL)
node->rect = fz_intersect_rect(node->rect, *rect);
node->item.path = fz_clone_path(path);
node->stroke = fz_clone_stroke_state(stroke);
fz_append_display_node(user, node);
}
static void
xps_paint_tiling_brush_clipped(xps_document *doc, const fz_matrix *ctm, const fz_rect *viewbox, struct closure *c)
{
fz_path *path = fz_new_path(doc->ctx);
fz_rect rect;
fz_moveto(doc->ctx, path, viewbox->x0, viewbox->y0);
fz_lineto(doc->ctx, path, viewbox->x0, viewbox->y1);
fz_lineto(doc->ctx, path, viewbox->x1, viewbox->y1);
fz_lineto(doc->ctx, path, viewbox->x1, viewbox->y0);
fz_closepath(doc->ctx, path);
/* SumatraPDF: try to match rendering with and without display list */
fz_clip_path(doc->dev, path, fz_bound_path(doc->ctx, path, NULL, ctm, &rect), 0, ctm);
fz_free_path(doc->ctx, path);
c->func(doc, ctm, viewbox, c->base_uri, c->dict, c->root, c->user);
fz_pop_clip(doc->dev);
}
void
xps_clip(xps_document *doc, const fz_matrix *ctm, xps_resource *dict, char *clip_att, fz_xml *clip_tag)
{
fz_path *path;
int fill_rule = 0;
fz_rect rect;
if (clip_att)
path = xps_parse_abbreviated_geometry(doc, clip_att, &fill_rule);
else if (clip_tag)
path = xps_parse_path_geometry(doc, dict, clip_tag, 0, &fill_rule);
else
path = fz_new_path(doc->ctx);
/* SumatraPDF: try to match rendering with and without display list */
fz_clip_path(doc->dev, path, fz_bound_path(doc->ctx, path, NULL, ctm, &rect), fill_rule == 0, ctm);
fz_free_path(doc->ctx, path);
}
static void
fz_list_fill_path(fz_device *dev, fz_path *path, int even_odd, const fz_matrix *ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
fz_display_node *node;
fz_context *ctx = dev->ctx;
node = fz_new_display_node(ctx, FZ_CMD_FILL_PATH, ctm, colorspace, color, alpha);
fz_try(ctx)
{
fz_bound_path(dev->ctx, path, NULL, ctm, &node->rect);
node->item.path = fz_clone_path(dev->ctx, path);
node->flag = even_odd;
}
fz_catch(ctx)
{
fz_free_display_node(ctx, node);
fz_rethrow(ctx);
}
fz_append_display_node(dev->user, node);
}
static void
fz_list_stroke_path(fz_device *dev, fz_path *path, fz_stroke_state *stroke,
const fz_matrix *ctm, fz_colorspace *colorspace, float *color, float alpha)
{
fz_display_node *node;
fz_context *ctx = dev->ctx;
node = fz_new_display_node(ctx, FZ_CMD_STROKE_PATH, ctm, colorspace, color, alpha);
fz_try(ctx)
{
fz_bound_path(dev->ctx, path, stroke, ctm, &node->rect);
node->item.path = fz_clone_path(dev->ctx, path);
node->stroke = fz_keep_stroke_state(dev->ctx, stroke);
}
fz_catch(ctx)
{
fz_free_display_node(ctx, node);
fz_rethrow(ctx);
}
fz_append_display_node(dev->user, node);
}
static void
fz_list_clip_path(fz_device *dev, fz_path *path, fz_rect *rect, int even_odd, fz_matrix ctm)
{
fz_display_node *node;
fz_context *ctx = dev->ctx;
node = fz_new_display_node(ctx, FZ_CMD_CLIP_PATH, ctm, NULL, NULL, 0);
fz_try(ctx)
{
node->rect = fz_bound_path(dev->ctx, path, NULL, ctm);
if (rect)
node->rect = fz_intersect_rect(node->rect, *rect);
node->item.path = fz_clone_path(dev->ctx, path);
node->flag = even_odd;
}
fz_catch(ctx)
{
fz_free_display_node(ctx, node);
fz_rethrow(ctx);
}
fz_append_display_node(dev->user, node);
}
static void
svg_dev_clip_stroke_path(fz_device *dev, fz_path *path, const fz_rect *rect, fz_stroke_state *stroke, const fz_matrix *ctm)
{
svg_device *sdev = dev->user;
fz_output *out = sdev->out;
fz_context *ctx = dev->ctx;
fz_rect bounds;
int num = sdev->id++;
float white[3] = { 255, 255, 255 };
fz_bound_path(ctx, path, stroke, ctm, &bounds);
fz_printf(out, "<mask id=\"ma%d\" x=\"%g\" y=\"%g\" width=\"%g\" height=\"%g\" maskUnits=\"userSpaceOnUse\" maskContentUnits=\"userSpaceOnUse\">\n",
num, bounds.x0, bounds.y0, bounds.x1 - bounds.x0, bounds.y1 - bounds.y0);
fz_printf(out, "<path");
svg_dev_ctm(sdev, ctm);
svg_dev_stroke_state(sdev, stroke);
svg_dev_stroke_color(sdev, fz_device_rgb(ctx), white, 1);
svg_dev_path(sdev, path);
fz_printf(out, "/>\n</mask>\n<g mask=\"url(#ma%d)\">\n", num);
}
static void
fz_list_clip_stroke_path(fz_device *dev, fz_path *path, const fz_rect *rect, fz_stroke_state *stroke, const fz_matrix *ctm)
{
fz_display_node *node;
fz_context *ctx = dev->ctx;
node = fz_new_display_node(ctx, FZ_CMD_CLIP_STROKE_PATH, ctm, NULL, NULL, 0);
fz_try(ctx)
{
fz_bound_path(dev->ctx, path, stroke, ctm, &node->rect);
if (rect)
fz_intersect_rect(&node->rect, rect);
node->item.path = fz_clone_path(dev->ctx, path);
node->stroke = fz_keep_stroke_state(dev->ctx, stroke);
}
fz_catch(ctx)
{
fz_free_display_node(ctx, node);
fz_rethrow(ctx);
}
fz_append_display_node(dev->user, node);
}
static void
svg_dev_clip_stroke_path(fz_context *ctx, fz_device *dev, const fz_path *path, const fz_rect *rect, const fz_stroke_state *stroke, const fz_matrix *ctm)
{
svg_device *sdev = (svg_device*)dev;
fz_output *out;
fz_rect bounds;
int num = sdev->id++;
float white[3] = { 1, 1, 1 };
fz_bound_path(ctx, path, stroke, ctm, &bounds);
out = start_def(ctx, sdev);
fz_printf(ctx, out, "<mask id=\"ma%d\" x=\"%g\" y=\"%g\" width=\"%g\" height=\"%g\" maskUnits=\"userSpaceOnUse\" maskContentUnits=\"userSpaceOnUse\">\n",
num, bounds.x0, bounds.y0, bounds.x1 - bounds.x0, bounds.y1 - bounds.y0);
fz_printf(ctx, out, "<path");
svg_dev_ctm(ctx, sdev, ctm);
svg_dev_stroke_state(ctx, sdev, stroke, &fz_identity);
svg_dev_stroke_color(ctx, sdev, fz_device_rgb(ctx), white, 1);
svg_dev_path(ctx, sdev, path);
fz_printf(ctx, out, "/>\n</mask>\n");
out = end_def(ctx, sdev);
fz_printf(ctx, out, "<g mask=\"url(#ma%d)\">\n", num);
}
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);
}
static void
fz_bbox_clip_stroke_path(fz_device *dev, fz_path *path, fz_rect *rect, fz_stroke_state *stroke, fz_matrix ctm)
{
fz_bbox_add_rect(dev, fz_bound_path(dev->ctx, path, stroke, ctm), 1);
}
static void
fz_bbox_clip_path(fz_device *dev, fz_path *path, fz_rect *rect, int even_odd, fz_matrix ctm)
{
fz_bbox_add_rect(dev, fz_bound_path(dev->ctx, path, NULL, ctm), 1);
}
static void
fz_bbox_stroke_path(fz_device *dev, fz_path *path, fz_stroke_state *stroke, fz_matrix ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
fz_bbox_add_rect(dev, fz_bound_path(dev->ctx, path, stroke, ctm), 0);
}
static void
fz_bbox_fill_path(fz_device *dev, fz_path *path, int even_odd, fz_matrix ctm,
fz_colorspace *colorspace, float *color, float alpha)
{
fz_bbox_add_rect(dev, fz_bound_path(dev->ctx, path, NULL, ctm), 0);
}
static void
fz_bbox_clip_stroke_path(fz_context *ctx, fz_device *dev, fz_path *path, const fz_rect *rect, fz_stroke_state *stroke, const fz_matrix *ctm)
{
fz_rect r;
fz_bbox_add_rect(ctx, dev, fz_bound_path(ctx, path, stroke, ctm, &r), 1);
}
static font *
svg_dev_text_span_as_paths_defs(fz_context *ctx, fz_device *dev, fz_text_span *span, const fz_matrix *ctm)
{
svg_device *sdev = (svg_device*)dev;
fz_output *out = sdev->out;
int i, font_idx;
font *fnt;
fz_matrix shift = fz_identity;
for (font_idx = 0; font_idx < sdev->num_fonts; font_idx++)
{
if (sdev->fonts[font_idx].font == span->font)
break;
}
if (font_idx == sdev->num_fonts)
{
/* New font */
if (font_idx == sdev->max_fonts)
{
int newmax = sdev->max_fonts * 2;
if (newmax == 0)
newmax = 4;
sdev->fonts = fz_resize_array(ctx, sdev->fonts, newmax, sizeof(*sdev->fonts));
memset(&sdev->fonts[font_idx], 0, (newmax - font_idx) * sizeof(sdev->fonts[0]));
sdev->max_fonts = newmax;
}
sdev->fonts[font_idx].id = sdev->id++;
sdev->fonts[font_idx].font = fz_keep_font(ctx, span->font);
sdev->num_fonts++;
}
fnt = &sdev->fonts[font_idx];
for (i=0; i < span->len; i++)
{
fz_text_item *it = &span->items[i];
int gid = it->gid;
if (gid < 0)
continue;
if (gid >= fnt->max_sentlist)
{
int j;
fnt->sentlist = fz_resize_array(ctx, fnt->sentlist, gid+1, sizeof(fnt->sentlist[0]));
for (j = fnt->max_sentlist; j <= gid; j++)
{
fnt->sentlist[j].x_off = FLT_MIN;
fnt->sentlist[j].y_off = FLT_MIN;
}
fnt->max_sentlist = gid+1;
}
if (fnt->sentlist[gid].x_off == FLT_MIN)
{
/* Need to send this one */
fz_rect rect;
fz_path *path;
path = fz_outline_glyph(ctx, span->font, gid, &fz_identity);
if (path)
{
fz_bound_path(ctx, path, NULL, &fz_identity, &rect);
shift.e = -rect.x0;
shift.f = -rect.y0;
fz_transform_path(ctx, path, &shift);
out = start_def(ctx, sdev);
fz_printf(ctx, out, "<symbol id=\"font_%x_%x\">", fnt->id, gid);
fz_printf(ctx, out, "<path");
svg_dev_path(ctx, sdev, path);
fz_printf(ctx, out, "/>\n");
}
else
{
fz_bound_glyph(ctx, span->font, gid, &fz_identity, &rect);
shift.e = -rect.x0;
shift.f = -rect.y0;
out = start_def(ctx, sdev);
fz_printf(ctx, out, "<symbol id=\"font_%x_%x\">", fnt->id, gid);
fz_run_t3_glyph(ctx, span->font, gid, &shift, dev);
}
fz_printf(ctx, out, "</symbol>");
out = end_def(ctx, sdev);
fnt->sentlist[gid].x_off = rect.x0;
fnt->sentlist[gid].y_off = rect.y0;
}
}
return fnt;
}