Text *
new_text(const char *string, DiaFont *font, real height,
Point *pos, Color *color, Alignment align)
{
Text *text;
text = g_new(Text, 1);
text->font = dia_font_ref(font);
text->height = height;
text->position = *pos;
text->color = *color;
text->alignment = align;
text->cursor_pos = 0;
text->cursor_row = 0;
text->focus.obj = NULL;
text->focus.has_focus = FALSE;
text->focus.key_event = text_key_event;
text->focus.text = text;
set_string(text, string);
calc_ascent_descent(text);
return text;
}
/** Set the default font.
* Note that this is not currently stored persistently.
* @param font The font to set as the new default.
* This object will be ref'd by this call.
* @param font_height The font height to set as the new default.
*/
void
attributes_set_default_font(DiaFont *font, real font_height)
{
if (attributes_font != NULL)
dia_font_unref(attributes_font);
attributes_font = dia_font_ref(font);
attributes_font_height = font_height;
}
/** Get the default font.
* Note that there is currently no way for the user to set these.
* @param font A place to return the default font description set by the user
* @param font_height A place to return the default font height set by the user
*/
void
attributes_get_default_font(DiaFont **font, real *font_height)
{
if (!attributes_font) {
attributes_font = dia_font_new_from_style(DIA_FONT_SANS,
attributes_font_height);
}
if (font)
*font = dia_font_ref(attributes_font);
if (font_height)
*font_height = attributes_font_height;
}
void
text_get_attributes(Text *text, TextAttributes *attr)
{
DiaFont *old_font;
old_font = attr->font;
attr->font = dia_font_ref(text->font);
if (old_font != NULL) dia_font_unref(old_font);
attr->height = text->height;
attr->position = text->position;
attr->color = text->color;
attr->alignment = text->alignment;
}
Boolequation *
boolequation_create(const gchar *value, DiaFont *font, real fontheight,
Color *color)
{
Boolequation *booleq;
booleq = g_new0(Boolequation,1);
booleq->font = dia_font_ref(font);
booleq->fontheight = fontheight;
booleq->color = *color;
boolequation_set_value(booleq,value);
return booleq;
}
static void
transition_set_props(Transition *transition, GPtrArray *props)
{
object_set_props_from_offsets(&transition->element.object,
transition_offsets,props);
boolequation_set_value(transition->receptivity,transition->rcep_value);
dia_font_unref(transition->receptivity->font);
transition->receptivity->font = dia_font_ref(transition->rcep_font);
transition->receptivity->fontheight = transition->rcep_fontheight;
transition->receptivity->color = transition->rcep_color;
transition_update_data(transition);
}
void
text_set_font(Text *text, DiaFont *font)
{
DiaFont *old_font = text->font;
int i;
text->font = dia_font_ref(font);
dia_font_unref(old_font);
for (i = 0; i < text->numlines; i++) {
text_line_set_font(text->lines[i], font);
}
calc_width(text);
calc_ascent_descent(text);
}
static void
set_font(DiaRenderer *self, DiaFont *font, real height)
{
DiaPsFt2Renderer *renderer = DIA_PS_FT2_RENDERER(self);
if (renderer->current_font != font) {
if (renderer->current_font != NULL) {
dia_font_unref(renderer->current_font);
}
renderer->current_font = font;
/* Dammit! We have a random factor once again!
* And not only here but also in dia_font_scaled_build_layout() below ...
*/
renderer->current_height = height/**4.3*/;
dia_font_ref(font);
}
pango_context_set_font_description(dia_font_get_context(),
dia_font_get_description(font));
}
static void
set_font(DiaRenderer *self, DiaFont *font, real height)
{
DiaCairoRenderer *renderer = DIA_CAIRO_RENDERER (self);
#ifndef HAVE_PANGOCAIRO_H
DiaFontStyle style = dia_font_get_style (font);
const char *family_name;
#endif
/* pango/cairo wants the font size, not the (line-) height */
real size = dia_font_get_size (font) * (height / dia_font_get_height (font));
PangoFontDescription *pfd = pango_font_description_copy (dia_font_get_description (font));
DIAG_NOTE(g_message("set_font %f %s", height, dia_font_get_family(font)));
#ifdef HAVE_PANGOCAIRO_H
/* select font and size */
pango_font_description_set_absolute_size (pfd, (int)(size * PANGO_SCALE));
pango_layout_set_font_description (renderer->layout, pfd);
pango_font_description_free (pfd);
#else
family_name = dia_font_get_family(font);
cairo_select_font_face (
renderer->cr,
family_name,
DIA_FONT_STYLE_GET_SLANT(style) == DIA_FONT_NORMAL ? CAIRO_FONT_SLANT_NORMAL : CAIRO_FONT_SLANT_ITALIC,
DIA_FONT_STYLE_GET_WEIGHT(style) < DIA_FONT_MEDIUM ? CAIRO_FONT_WEIGHT_NORMAL : CAIRO_FONT_WEIGHT_BOLD);
cairo_set_font_size (renderer->cr, size);
#endif
DIAG_STATE(renderer->cr)
/* for the interactive case we must maintain the font field in the base class */
if (self->is_interactive) {
dia_font_ref(font);
if (self->font)
dia_font_unref(self->font);
self->font = font;
self->font_height = height;
}
}
static DiaObject *
attribute_copy(Attribute *attribute)
{
int i;
Attribute *newattribute;
Element *elem, *newelem;
DiaObject *newobj;
elem = &attribute->element;
newattribute = g_malloc0(sizeof(Attribute));
newelem = &newattribute->element;
newobj = &newelem->object;
element_copy(elem, newelem);
newattribute->border_width = attribute->border_width;
newattribute->border_color = attribute->border_color;
newattribute->inner_color = attribute->inner_color;
for (i=0;i<NUM_CONNECTIONS;i++) {
newobj->connections[i] = &newattribute->connections[i];
newattribute->connections[i].object = newobj;
newattribute->connections[i].connected = NULL;
newattribute->connections[i].pos = attribute->connections[i].pos;
newattribute->connections[i].last_pos = attribute->connections[i].last_pos;
newattribute->connections[i].flags = attribute->connections[i].flags;
}
newattribute->font = dia_font_ref(attribute->font);
newattribute->font_height = attribute->font_height;
newattribute->name = g_strdup(attribute->name);
newattribute->name_width = attribute->name_width;
newattribute->key = attribute->key;
newattribute->weakkey = attribute->weakkey;
newattribute->derived = attribute->derived;
newattribute->multivalue = attribute->multivalue;
return &newattribute->element.object;
}
static void
set_font(DiaRenderer *self, DiaFont *font, real height)
{
DiaPsRenderer *renderer = DIA_PS_RENDERER(self);
gchar h_buf[DTOSTR_BUF_SIZE];
if (font != self->font || height != self->font_height) {
DiaFont *old_font;
fprintf(renderer->file, "/%s-latin1 ff %s scf sf\n",
dia_font_get_psfontname(font),
psrenderer_dtostr(h_buf, (gdouble) height*0.7) );
old_font = self->font;
self->font = font;
dia_font_ref(self->font);
if (old_font != NULL) {
dia_font_unref(old_font);
}
self->font_height = height;
}
}
static DiaObject *
transition_create(Point *startpoint,
void *user_data,
Handle **handle1,
Handle **handle2)
{
Transition *transition;
DiaObject *obj;
int i;
Element *elem;
DiaFont *default_font = NULL;
real default_fontheight;
Color fg_color;
transition = g_malloc0(sizeof(Transition));
elem = &transition->element;
obj = &elem->object;
obj->type = &transition_type;
obj->ops = &transition_ops;
elem->corner = *startpoint;
elem->width = TRANSITION_DECLAREDWIDTH;
elem->height = TRANSITION_DECLAREDHEIGHT;
element_init(elem, 10,2);
attributes_get_default_font(&default_font,&default_fontheight);
fg_color = attributes_get_foreground();
transition->receptivity =
boolequation_create("",
default_font,
default_fontheight,
&fg_color);
transition->rcep_value = g_strdup("");
transition->rcep_font = dia_font_ref(default_font);
transition->rcep_fontheight = default_fontheight;
transition->rcep_color = fg_color;
dia_font_unref(default_font);
for (i=0;i<8;i++) {
obj->handles[i]->type = HANDLE_NON_MOVABLE;
}
obj->handles[8] = &transition->north;
obj->handles[9] = &transition->south;
transition->north.connect_type = HANDLE_CONNECTABLE;
transition->north.type = HANDLE_MAJOR_CONTROL;
transition->north.id = HANDLE_NORTH;
transition->south.connect_type = HANDLE_CONNECTABLE;
transition->south.type = HANDLE_MAJOR_CONTROL;
transition->south.id = HANDLE_SOUTH;
transition->north.pos.x = -65536.0; /* magic */
for (i=0;i<2;i++) {
obj->connections[i] = &transition->connections[i];
obj->connections[i]->object = obj;
obj->connections[i]->connected = NULL;
}
transition_update_data(transition);
*handle1 = NULL;
*handle2 = obj->handles[0];
return &transition->element.object;
}
