static void
image_draw(EImage *image, DiaRenderer *renderer)
{
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
Point ul_corner, lr_corner;
Element *elem;
assert(image != NULL);
assert(renderer != NULL);
elem = &image->element;
lr_corner.x = elem->corner.x + elem->width + image->border_width/2;
lr_corner.y = elem->corner.y + elem->height + image->border_width/2;
ul_corner.x = elem->corner.x - image->border_width/2;
ul_corner.y = elem->corner.y - image->border_width/2;
if (image->draw_border) {
renderer_ops->set_linewidth(renderer, image->border_width);
renderer_ops->set_linestyle(renderer, image->line_style);
renderer_ops->set_dashlength(renderer, image->dashlength);
renderer_ops->set_linejoin(renderer, LINEJOIN_MITER);
renderer_ops->draw_rect(renderer,
&ul_corner,
&lr_corner,
&image->border_color);
}
/* Draw the image */
if (image->image) {
if (image->keep_orig_aspect) {
real aspect;
real width,height;
Point corner;
aspect = (real)dia_image_width(image->image) /
(real)dia_image_height(image->image);
width = elem->height * aspect;
if (width < elem->width) {
height = elem->height;
} else {
width = elem->width;
height = elem->width * (1.0/aspect);
}
corner.x = elem->corner.x + elem->width / 2.0 - width / 2.0;
corner.y = elem->corner.y + elem->height / 2.0 - height / 2.0;
renderer_ops->draw_image(renderer,&corner,width,height,image->image);
} else {
renderer_ops->draw_image(renderer, &elem->corner, elem->width,
elem->height, image->image);
}
} else {
DiaImage *broken = dia_image_get_broken();
renderer_ops->draw_image(renderer, &elem->corner, elem->width,
elem->height, broken);
dia_image_unref(broken);
}
}
static void
image_set_props(Image *image, GPtrArray *props)
{
struct stat st;
time_t mtime = 0;
char *old_file = image->file ? g_strdup(image->file) : NULL;
const GdkPixbuf *old_pixbuf = dia_image_pixbuf (image->image);
gboolean was_inline = image->inline_data;
object_set_props_from_offsets(&image->element.object, image_offsets, props);
if (old_pixbuf != image->pixbuf) {
if (!image->file || *image->file == '\0') {
GdkPixbuf *pixbuf = NULL;
image->inline_data = TRUE; /* otherwise we'll loose it */
/* somebody deleting the filename? */
if (!image->pixbuf && image->image)
pixbuf = g_object_ref ((GdkPixbuf *)dia_image_pixbuf (image->image));
if (image->image)
g_object_unref (image->image);
image->image = dia_image_new_from_pixbuf (image->pixbuf ? image->pixbuf : pixbuf);
image->pixbuf = (GdkPixbuf *)dia_image_pixbuf (image->image);
if (pixbuf)
g_object_unref (pixbuf);
} else {
if (image->pixbuf)
message_warning ("FIXME: handle pixbuf change!");
}
}
/* use old value on error */
if (!image->file || g_stat (image->file, &st) != 0)
mtime = image->mtime;
else
mtime = st.st_mtime;
/* handle changing the image. */
if (image->file && image->pixbuf && was_inline && !image->inline_data) {
/* export inline data */
if (was_inline && !image->inline_data)
/* if saving fails we keep it inline */
image->inline_data = !dia_image_save (image->image, image->file);
} else if (image->file && ((old_file && strcmp(image->file, old_file) != 0) || image->mtime != mtime)) {
Element *elem = &image->element;
DiaImage *img = NULL;
if ((img = dia_image_load(image->file)) != NULL)
image->image = img;
else if (!image->pixbuf) /* dont overwrite inlined */
image->image = dia_image_get_broken();
elem->height = (elem->width*(float)dia_image_height(image->image))/
(float)dia_image_width(image->image);
}
g_free(old_file);
/* remember it */
image->mtime = mtime;
image_update_data(image);
}
static void
image_draw(Image *image, DiaRenderer *renderer)
{
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
Point ul_corner, lr_corner;
Element *elem;
assert(image != NULL);
assert(renderer != NULL);
elem = &image->element;
lr_corner.x = elem->corner.x + elem->width + image->border_width/2;
lr_corner.y = elem->corner.y + elem->height + image->border_width/2;
ul_corner.x = elem->corner.x - image->border_width/2;
ul_corner.y = elem->corner.y - image->border_width/2;
if (image->draw_border) {
renderer_ops->set_linewidth(renderer, image->border_width);
renderer_ops->set_linestyle(renderer, image->line_style);
renderer_ops->set_dashlength(renderer, image->dashlength);
renderer_ops->set_linejoin(renderer, LINEJOIN_MITER);
renderer_ops->draw_rect(renderer,
&ul_corner,
&lr_corner,
&image->border_color);
}
/* Draw the image */
if (image->image) {
renderer_ops->draw_image(renderer, &elem->corner, elem->width,
elem->height, image->image);
} else {
DiaImage *broken = dia_image_get_broken();
renderer_ops->draw_image(renderer, &elem->corner, elem->width,
elem->height, broken);
dia_image_unref(broken);
}
}
static void
image_set_props(EImage *image, GPtrArray *props)
{
struct stat st;
time_t mtime = 0;
char *old_file = image->file ? g_strdup(image->file) : "";
object_set_props_from_offsets(&image->element.object, image_offsets, props);
/* use old value on error */
if (g_stat (image->file, &st) != 0)
mtime = image->mtime;
else
mtime = st.st_mtime;
/* handle changing the image. */
if (strcmp(image->file, old_file) != 0 || image->mtime != mtime) {
Element *elem = &image->element;
DiaImage *img = NULL;
img = dia_image_load(image->file);
if (img)
image->image = img;
else
image->image = dia_image_get_broken();
elem->height = (elem->width*(float)dia_image_height(image->image))/
(float)dia_image_width(image->image);
}
g_free(old_file);
/* remember it */
image->mtime = mtime;
register_embed_id(image->embed_id);
image_update_data(image);
}
/*!
* \brief Parse the SVG node from a shape file
*
* Fill the ShapeInfo display list with GraphicElement each got from
* a single node within the shape's SVG part.
*
* \extends _ShapeInfo
*/
static void
parse_svg_node(ShapeInfo *info, xmlNodePtr node, xmlNsPtr svg_ns,
DiaSvgStyle *style, const gchar *filename)
{
xmlChar *str;
/* walk SVG node ... */
for (node = node->xmlChildrenNode; node != NULL; node = node->next) {
GraphicElement *el = NULL;
DiaSvgStyle s;
if (xmlIsBlankNode(node)) continue;
if (node->type != XML_ELEMENT_NODE || node->ns != svg_ns)
continue;
dia_svg_style_init (&s, style);
dia_svg_parse_style(node, &s, -1);
if (!xmlStrcmp(node->name, (const xmlChar *)"line")) {
GraphicElementLine *line = g_new0(GraphicElementLine, 1);
el = (GraphicElement *)line;
line->type = GE_LINE;
str = xmlGetProp(node, (const xmlChar *)"x1");
if (str) {
line->p1.x = g_ascii_strtod((gchar *) str, NULL);
xmlFree(str);
}
str = xmlGetProp(node, (const xmlChar *)"y1");
if (str) {
line->p1.y = g_ascii_strtod((gchar *) str, NULL);
xmlFree(str);
}
str = xmlGetProp(node, (const xmlChar *)"x2");
if (str) {
line->p2.x = g_ascii_strtod((gchar *) str, NULL);
xmlFree(str);
}
str = xmlGetProp(node, (const xmlChar *)"y2");
if (str) {
line->p2.y = g_ascii_strtod((gchar *) str, NULL);
xmlFree(str);
}
} else if (!xmlStrcmp(node->name, (const xmlChar *)"polyline")) {
GraphicElementPoly *poly;
GArray *arr = g_array_new(FALSE, FALSE, sizeof(real));
real val, *rarr;
gchar *tmp;
int i;
str = xmlGetProp(node, (const xmlChar *)"points");
tmp = (gchar *) str;
while (tmp[0] != '\0') {
/* skip junk */
while (tmp[0] != '\0' && !g_ascii_isdigit(tmp[0]) && tmp[0]!='.'&&tmp[0]!='-')
tmp++;
if (tmp[0] == '\0') break;
val = g_ascii_strtod(tmp, &tmp);
g_array_append_val(arr, val);
}
xmlFree(str);
val = 0;
if (arr->len % 2 == 1)
g_array_append_val(arr, val);
poly = g_malloc0(sizeof(GraphicElementPoly) + arr->len/2*sizeof(Point));
el = (GraphicElement *)poly;
poly->type = GE_POLYLINE;
poly->npoints = arr->len / 2;
rarr = (real *)arr->data;
for (i = 0; i < poly->npoints; i++) {
poly->points[i].x = rarr[2*i];
poly->points[i].y = rarr[2*i+1];
}
g_array_free(arr, TRUE);
} else if (!xmlStrcmp(node->name, (const xmlChar *)"polygon")) {
GraphicElementPoly *poly;
GArray *arr = g_array_new(FALSE, FALSE, sizeof(real));
real val, *rarr;
char *tmp;
int i;
str = xmlGetProp(node, (const xmlChar *)"points");
tmp = (char *) str;
while (tmp[0] != '\0') {
/* skip junk */
while (tmp[0] != '\0' && !g_ascii_isdigit(tmp[0]) && tmp[0]!='.'&&tmp[0]!='-')
tmp++;
if (tmp[0] == '\0') break;
val = g_ascii_strtod(tmp, &tmp);
g_array_append_val(arr, val);
}
xmlFree(str);
val = 0;
if (arr->len % 2 == 1)
g_array_append_val(arr, val);
poly = g_malloc0(sizeof(GraphicElementPoly) + arr->len/2*sizeof(Point));
el = (GraphicElement *)poly;
poly->type = GE_POLYGON;
poly->npoints = arr->len / 2;
rarr = (real *)arr->data;
for (i = 0; i < poly->npoints; i++) {
poly->points[i].x = rarr[2*i];
poly->points[i].y = rarr[2*i+1];
}
g_array_free(arr, TRUE);
} else if (!xmlStrcmp(node->name, (const xmlChar *)"rect")) {
GraphicElementRect *rect = g_new0(GraphicElementRect, 1);
real corner_radius = 0.0;
el = (GraphicElement *)rect;
rect->type = GE_RECT;
str = xmlGetProp(node, (const xmlChar *)"x");
if (str) {
rect->corner1.x = g_ascii_strtod((gchar *) str, NULL);
xmlFree(str);
} else rect->corner1.x = 0;
str = xmlGetProp(node, (const xmlChar *)"y");
if (str) {
rect->corner1.y = g_ascii_strtod((gchar *) str, NULL);
xmlFree(str);
} else rect->corner1.y = 0;
str = xmlGetProp(node, (const xmlChar *)"width");
if (str) {
rect->corner2.x = rect->corner1.x + g_ascii_strtod((gchar *) str, NULL);
xmlFree(str);
}
str = xmlGetProp(node, (const xmlChar *)"height");
if (str) {
rect->corner2.y = rect->corner1.y + g_ascii_strtod((gchar *) str, NULL);
xmlFree(str);
}
str = xmlGetProp(node, (const xmlChar *)"rx");
if (str) {
corner_radius = g_ascii_strtod((gchar *) str, NULL);
xmlFree(str);
}
str = xmlGetProp(node, (const xmlChar *)"ry");
if (str) {
if(corner_radius != 0.0) {
/* calculate the mean value of rx and ry */
corner_radius = (corner_radius+g_ascii_strtod((gchar *) str, NULL))/2;
} else {
corner_radius = g_ascii_strtod((gchar *) str, NULL);
}
xmlFree(str);
}
rect->corner_radius = corner_radius;
} else if (!xmlStrcmp(node->name, (const xmlChar *)"text")) {
GraphicElementText *text = g_new(GraphicElementText, 1);
el = (GraphicElement *)text;
text->type = GE_TEXT;
text->object = NULL;
str = xmlGetProp(node, (const xmlChar *)"x");
if (str) {
text->anchor.x = g_ascii_strtod((gchar *) str, NULL);
xmlFree(str);
} else text->anchor.x = 0;
str = xmlGetProp(node, (const xmlChar *)"y");
if (str) {
text->anchor.y = g_ascii_strtod((gchar *) str, NULL);
xmlFree(str);
} else text->anchor.y = 0;
str = xmlGetProp(node, (const xmlChar *)"font-size");
if (str) {
text->s.font_height = g_ascii_strtod((gchar *) str, NULL);
xmlFree(str);
} else text->s.font_height = 0.8;
str = xmlNodeGetContent(node);
if (str) {
text->string = g_strdup((gchar *) str);
xmlFree(str);
} else text->string = g_strdup("");
} else if (!xmlStrcmp(node->name, (const xmlChar *)"circle")) {
GraphicElementEllipse *ellipse = g_new0(GraphicElementEllipse, 1);
el = (GraphicElement *)ellipse;
ellipse->type = GE_ELLIPSE;
str = xmlGetProp(node, (const xmlChar *)"cx");
if (str) {
ellipse->center.x = g_ascii_strtod((gchar *) str, NULL);
xmlFree(str);
}
str = xmlGetProp(node, (const xmlChar *)"cy");
if (str) {
ellipse->center.y = g_ascii_strtod((gchar *) str, NULL);
xmlFree(str);
}
str = xmlGetProp(node, (const xmlChar *)"r");
if (str) {
ellipse->width = ellipse->height = 2 * g_ascii_strtod((gchar *) str, NULL);
xmlFree(str);
}
} else if (!xmlStrcmp(node->name, (const xmlChar *)"ellipse")) {
GraphicElementEllipse *ellipse = g_new0(GraphicElementEllipse, 1);
el = (GraphicElement *)ellipse;
ellipse->type = GE_ELLIPSE;
str = xmlGetProp(node, (const xmlChar *)"cx");
if (str) {
ellipse->center.x = g_ascii_strtod((gchar *) str, NULL);
xmlFree(str);
}
str = xmlGetProp(node, (const xmlChar *)"cy");
if (str) {
ellipse->center.y = g_ascii_strtod((gchar *) str, NULL);
xmlFree(str);
}
str = xmlGetProp(node, (const xmlChar *)"rx");
if (str) {
ellipse->width = 2 * g_ascii_strtod((gchar *) str, NULL);
xmlFree(str);
}
str = xmlGetProp(node, (const xmlChar *)"ry");
if (str) {
ellipse->height = 2 * g_ascii_strtod((gchar *) str, NULL);
xmlFree(str);
}
} else if (!xmlStrcmp(node->name, (const xmlChar *)"path")) {
str = xmlGetProp(node, (const xmlChar *)"d");
if (str) {
parse_path(info, (char *) str, &s, filename);
xmlFree(str);
}
} else if (!xmlStrcmp(node->name, (const xmlChar *)"image")) {
GraphicElementImage *image = g_new0(GraphicElementImage, 1);
el = (GraphicElement *)image;
image->type = GE_IMAGE;
str = xmlGetProp(node, (const xmlChar *)"x");
if (str) {
image->topleft.x = g_ascii_strtod((gchar *) str, NULL);
xmlFree(str);
}
str = xmlGetProp(node, (const xmlChar *)"y");
if (str) {
image->topleft.y = g_ascii_strtod((gchar *) str, NULL);
xmlFree(str);
}
str = xmlGetProp(node, (const xmlChar *)"width");
if (str) {
image->width = g_ascii_strtod((gchar *) str, NULL);
xmlFree(str);
}
str = xmlGetProp(node, (const xmlChar *)"height");
if (str) {
image->height = g_ascii_strtod((gchar *) str, NULL);
xmlFree(str);
}
str = xmlGetProp(node, (const xmlChar *)"xlink:href");
if (!str) /* this doesn't look right but it appears to work w/o namespace --hb */
str = xmlGetProp(node, (const xmlChar *)"href");
if (str) {
gchar *imgfn = NULL;
const char* data = strchr((char *)str, ',');
/* first check for inlined data */
if (data) {
GdkPixbuf *pixbuf = pixbuf_decode_base64 (data+1);
if (pixbuf) {
image->image = dia_image_new_from_pixbuf (pixbuf);
g_object_unref (pixbuf);
}
} else {
imgfn = g_filename_from_uri((gchar *) str, NULL, NULL);
if (!imgfn)
/* despite it's name it ensures an absolute filename */
imgfn = custom_get_relative_filename(filename, (gchar *) str);
image->image = dia_image_load(imgfn);
}
if (!image->image)
g_debug("failed to load image file %s", imgfn ? imgfn : "(data:)");
g_free(imgfn);
xmlFree(str);
}
/* w/o the image we would crash later */
if (!image->image)
image->image = dia_image_get_broken();
} else if (!xmlStrcmp(node->name, (const xmlChar *)"g")) {
if (!is_subshape(node)) {
/* add elements from the group element */
parse_svg_node(info, node, svg_ns, &s, filename);
} else {
/* add elements from the group element, but make it a subshape */
GraphicElementSubShape *subshape = g_new0(GraphicElementSubShape, 1);
ShapeInfo* tmpinfo = g_new0(ShapeInfo, 1);
xmlChar *v_anchor_attr = xmlGetProp(node, (const xmlChar*)"v_anchor");
xmlChar *h_anchor_attr = xmlGetProp(node, (const xmlChar*)"h_anchor");
parse_svg_node(tmpinfo, node, svg_ns, &s, filename);
tmpinfo->shape_bounds.top = DBL_MAX;
tmpinfo->shape_bounds.left = DBL_MAX;
tmpinfo->shape_bounds.bottom = -DBL_MAX;
tmpinfo->shape_bounds.right = -DBL_MAX;
update_bounds( tmpinfo );
update_bounds( info );
subshape->half_width = (tmpinfo->shape_bounds.right-tmpinfo->shape_bounds.left) / 2.0;
subshape->half_height = (tmpinfo->shape_bounds.bottom-tmpinfo->shape_bounds.top) / 2.0;
subshape->center.x = tmpinfo->shape_bounds.left + subshape->half_width;
subshape->center.y = tmpinfo->shape_bounds.top + subshape->half_height;
subshape->type = GE_SUBSHAPE;
subshape->display_list = tmpinfo->display_list;
subshape->v_anchor_method = OFFSET_METHOD_FIXED;
subshape->h_anchor_method = OFFSET_METHOD_FIXED;
subshape->default_scale = 0.0;
if (!v_anchor_attr || !strcmp((const char*)v_anchor_attr,"fixed.top"))
subshape->v_anchor_method = OFFSET_METHOD_FIXED;
else if (v_anchor_attr && !strcmp((const char*)v_anchor_attr,"fixed.bottom"))
subshape->v_anchor_method = -OFFSET_METHOD_FIXED;
else if (v_anchor_attr && !strcmp((const char*)v_anchor_attr,"proportional"))
subshape->v_anchor_method = OFFSET_METHOD_PROPORTIONAL;
else
fprintf( stderr, "illegal v_anchor `%s', defaulting to fixed.top\n",
v_anchor_attr );
if (!h_anchor_attr || !strcmp((const char*)h_anchor_attr,"fixed.left"))
subshape->h_anchor_method = OFFSET_METHOD_FIXED;
else if (h_anchor_attr && !strcmp((const char*)h_anchor_attr,"fixed.right"))
subshape->h_anchor_method = -OFFSET_METHOD_FIXED;
else if (h_anchor_attr && !strcmp((const char*)h_anchor_attr,"proportional"))
subshape->h_anchor_method = OFFSET_METHOD_PROPORTIONAL;
else
fprintf( stderr, "illegal h_anchor `%s', defaulting to fixed.left\n",
h_anchor_attr );
info->subshapes = g_list_append(info->subshapes, subshape);
/* gfree( tmpinfo );*/
xmlFree(v_anchor_attr);
xmlFree(h_anchor_attr);
el = (GraphicElement *)subshape;
}
}
if (el) {
el->any.s = s;
if (el->any.s.font)
el->any.s.font = g_object_ref(s.font);
info->display_list = g_list_append(info->display_list, el);
}
if (s.font)
dia_font_unref (s.font);
}
}
