void
hello_object_print (GnomePrintContext *ctx,
double width,
double height,
const Bonobo_PrintScissor *scissor,
gpointer user_data)
{
HelloBonoboEmbeddable *embeddable = user_data;
GnomeFont *font;
double w, w2, h;
const char *str, *descr;
str = embeddable->text ? embeddable->text : "No text";
descr = "Value:";
gnome_print_setlinewidth (ctx, 2);
font = gnome_font_new ("Helvetica", 12.0);
g_return_if_fail (font != NULL);
gnome_print_setrgbcolor (ctx, 0.0, 0.0, 0.0);
gnome_print_setfont (ctx, font);
w = gnome_font_get_width_string (font, descr);
w2 = gnome_font_get_width_string (font, str);
h =
gnome_font_get_ascender (font) +
gnome_font_get_descender (font);
gnome_print_moveto (ctx, (width / 2) - (w / 2), (height / 2) + h * 2);
gnome_print_show (ctx, descr);
gnome_print_moveto (ctx, (width / 2) - (w2 / 2), height / 2 - h);
gnome_print_show (ctx, str);
g_object_unref (G_OBJECT (font));
}
static void
render_fn (GnomePrintContext *ctx,
double width,
double height,
const Bonobo_PrintScissor *scissor,
gpointer user_data)
{
GnomeFont *font;
double w;
const char str [] = "Hello World";
gnome_print_setlinewidth (ctx, 2);
font = gnome_font_new ("Helvetica", 12.0);
g_return_if_fail (font != NULL);
gnome_print_setrgbcolor (ctx, 0.0, 0.0, 0.0);
gnome_print_setfont (ctx, font);
w = gnome_font_get_width_string (font, str);
gnome_print_moveto (ctx, (width / 2) - (w / 2),
height / 2);
gnome_print_show (ctx, str);
g_object_unref (G_OBJECT (font));
gnome_print_moveto (ctx, 0, 0);
gnome_print_lineto (ctx, width, height);
gnome_print_stroke (ctx);
/* We need a sensible internal representation in order to find the rowstride etc. */
/* gnome_print_rgbimage (ctx, embeddable_data->
embeddable_data->width,
embeddable_data->height,
gdk_visual_get_best_depth ());*/
}
static void move_pen_to_nextpage(void)
{
gnome_print_showpage(gpx);
gnome_print_context_close(gpx);
g_object_unref(gpx);
gpx = gnome_print_job_get_context(job);
gnome_print_beginpage(gpx, NULL);
gnome_print_setfont(gpx, font);
page_y = page_height - margin_top - line_height;
gnome_print_moveto(gpx, page_x, page_y);
}
static GnomePrintJob *create_job(GnomePrintConfig *gpc)
{
GnomeFontFace *font_face;
PangoFontDescription *font_desc;
GtkTextIter start, end;
gchar *text, *p;
/* Get contents of TextBuffer */
GtkTextBuffer *buffer = pub->mw->buffer;
gtk_text_buffer_get_bounds(buffer, &start, &end);
text = g_strchomp(gtk_text_buffer_get_text(buffer, &start, &end, FALSE));
/* Initialize job */
job = gnome_print_job_new(gpc);
gnome_print_job_get_page_size_from_config(gpc, &page_width, &page_height);
gnome_print_config_get_length(gpc,
(guchar *)GNOME_PRINT_KEY_PAGE_MARGIN_LEFT, &margin_left, NULL);
gnome_print_config_get_length(gpc,
(guchar *)GNOME_PRINT_KEY_PAGE_MARGIN_RIGHT, &margin_right, NULL);
gnome_print_config_get_length(gpc,
(guchar *)GNOME_PRINT_KEY_PAGE_MARGIN_TOP, &margin_top, NULL);
gnome_print_config_get_length(gpc,
(guchar *)GNOME_PRINT_KEY_PAGE_MARGIN_BOTTOM, &margin_bottom, NULL);
/*
g_print("margin_left = %f\n", margin_left);
g_print("margin_right = %f\n", margin_right);
g_print("margin_top = %f\n", margin_top);
g_print("margin_bottom = %f\n", margin_bottom);
margin_top = margin_left;
margin_bottom = margin_left;
*/
/* Initialize font */
font_desc = gtk_widget_get_style(pub->mw->view)->font_desc;
font_face = gnome_font_face_find_closest_from_pango_description(font_desc);
font = gnome_font_face_get_font_default(font_face, FONT_SIZE);
// pango_font_description_get_size(font_desc) / PANGO_SCALE);
// g_print("PANGO_SCALE = %d\n", PANGO_SCALE);
// g_print("font_size = %d\n", pango_font_description_get_size(font_desc));
line_height = gnome_font_get_size(font);
tab_width = gnome_font_face_get_glyph_width(font_face,
gnome_font_face_lookup_default(font_face, g_utf8_get_char(" ")))
/ 1000 * FONT_SIZE * get_current_tab_width();
DV( g_print("tab_width = %f\n", tab_width));
/* Draw texts to canvas */
gpx = gnome_print_job_get_context(job);
gnome_print_beginpage(gpx, NULL);
gnome_print_setfont(gpx, font);
page_x = margin_left; // TODO RTL
page_y = page_height - margin_top - line_height;
gnome_print_moveto(gpx, page_x, page_y);
gl = gnome_glyphlist_from_text_dumb(font, 0x000000ff, 0, 0, (guchar *)"");
gl_width = 0;
p = text;
while (*p != '\0') {
gunichar ch = g_utf8_get_char(p);
gint glyph = gnome_font_lookup_default(font, ch);
if (!glyph) {
if (ch == '\n') {
print_glyph_list(page_x + gl_width > page_width - margin_right);
move_pen_to_newline();
DV( g_print("LF\n"));
} else if (ch == '\t') {
print_glyph_list(page_x + gl_width > page_width - margin_right);
/* page_x = page_x + tab_width
- ((page_x - margin_left) % tab_width); */
gdouble tmp_x = margin_left;
do {
tmp_x += tab_width;
} while (tmp_x < page_x + 0.000001); // FIXME
DV( g_print("HT "));
DV( g_print("%f -> %f\n", page_x, tmp_x));
page_x = tmp_x;
gnome_print_moveto(gpx, page_x, page_y);
/* } else if (ch == '\f') {
DV( g_print("FF\n"));
print_glyph_list(page_x + gl_width > page_width - margin_right);
move_pen_to_nextpage();
*/
}
else {
GnomeFont *tmp_font = find_proper_font(ch);
GnomeFontFace *tmp_face = gnome_font_get_face(tmp_font);
gdouble g_width;
glyph = gnome_font_lookup_default(tmp_font, ch);
g_width = gnome_font_face_get_glyph_width(tmp_face, glyph)
/ 1000 * FONT_SIZE;
if (page_x + gl_width + g_width > page_width - margin_right) {
if (g_unichar_iswide(ch)) {
print_glyph_list(FALSE);
move_pen_to_newline();
} else
print_glyph_list(TRUE);
}
gnome_glyphlist_font(gl, tmp_font);
gnome_glyphlist_glyph(gl, glyph);
gnome_glyphlist_font(gl, font);
gl_width += g_width;
DV( g_print("** "));
}
} else {
// if (ch == ' ') {
if (g_unichar_isspace(ch)) {
DV( g_print("SP "));
DV( g_print("\n"));
print_glyph_list(page_x + gl_width > page_width - margin_right);
page_x +=
gnome_font_face_get_glyph_width(font_face, glyph) / 1000 * FONT_SIZE;
gnome_print_moveto(gpx, page_x, page_y);
} else {
gdouble g_width
= gnome_font_face_get_glyph_width(font_face, glyph)
/ 1000 * FONT_SIZE;
if (page_x + gl_width + g_width > page_width - margin_right) {
if (g_unichar_iswide(ch)) {
print_glyph_list(FALSE);
move_pen_to_newline();
} else
print_glyph_list(TRUE);
}
gnome_glyphlist_glyph(gl, glyph);
gl_width += g_width;
DV( g_print("%02X ", glyph));
DV( g_print("%f (%f)\n", gl_width, gnome_font_get_glyph_width(font, glyph)));
}
}
p = g_utf8_next_char(p);
}
print_glyph_list(page_x + gl_width > page_width - margin_right);
DV( g_print("\n[EOT]\n"));
gnome_print_showpage(gpx);
gnome_print_context_close(gpx);
g_object_unref(gpx);
gnome_glyphlist_unref(gl);
gnome_font_unref(font);
gnome_font_face_unref(font_face);
gnome_print_job_close(job);
return job;
}
