static pdf_font_desc *
load_font_or_hail_mary(fz_context *ctx, pdf_document *doc, pdf_obj *rdb, pdf_obj *font, int depth, fz_cookie *cookie)
{
pdf_font_desc *desc;
fz_try(ctx)
{
desc = pdf_load_font(ctx, doc, rdb, font, depth);
}
fz_catch(ctx)
{
if (fz_caught(ctx) == FZ_ERROR_TRYLATER && cookie && cookie->incomplete_ok)
{
desc = NULL;
cookie->incomplete++;
}
else
{
fz_rethrow(ctx);
}
}
if (desc == NULL)
desc = pdf_load_hail_mary_font(ctx, doc);
return desc;
}
void
pdf_set_free_text_details(fz_context *ctx, pdf_annot *annot, fz_point *pos, char *text, char *font_name, float font_size, float color[3])
{
pdf_document *doc = annot->page->doc;
char nbuf[32];
pdf_obj *dr;
pdf_obj *form_fonts;
pdf_obj *font = NULL;
pdf_obj *ref;
pdf_font_desc *font_desc = NULL;
fz_matrix page_ctm, inv_page_ctm;
pdf_da_info da_info;
fz_buffer *fzbuf = NULL;
fz_point page_pos;
pdf_page_transform(ctx, annot->page, NULL, &page_ctm);
fz_invert_matrix(&inv_page_ctm, &page_ctm);
dr = pdf_dict_get(ctx, annot->page->obj, PDF_NAME_Resources);
if (!dr)
{
dr = pdf_new_dict(ctx, doc, 1);
pdf_dict_put_drop(ctx, annot->page->obj, PDF_NAME_Resources, dr);
}
/* Ensure the resource dictionary includes a font dict */
form_fonts = pdf_dict_get(ctx, dr, PDF_NAME_Font);
if (!form_fonts)
{
form_fonts = pdf_new_dict(ctx, doc, 1);
pdf_dict_put_drop(ctx, dr, PDF_NAME_Font, form_fonts);
/* form_fonts is still valid if execution continues past the above call */
}
fz_var(fzbuf);
fz_var(font);
fz_try(ctx)
{
unsigned char *da_str;
size_t da_len;
fz_rect bounds;
find_free_font_name(ctx, form_fonts, nbuf, sizeof(nbuf));
font = pdf_new_dict(ctx, doc, 5);
ref = pdf_add_object(ctx, doc, font);
pdf_dict_puts_drop(ctx, form_fonts, nbuf, ref);
pdf_dict_put_drop(ctx, font, PDF_NAME_Type, PDF_NAME_Font);
pdf_dict_put_drop(ctx, font, PDF_NAME_Subtype, PDF_NAME_Type1);
pdf_dict_put_drop(ctx, font, PDF_NAME_BaseFont, pdf_new_name(ctx, doc, font_name));
pdf_dict_put_drop(ctx, font, PDF_NAME_Encoding, PDF_NAME_WinAnsiEncoding);
memcpy(da_info.col, color, sizeof(float)*3);
da_info.col_size = 3;
da_info.font_name = nbuf;
da_info.font_size = font_size;
fzbuf = fz_new_buffer(ctx, 0);
pdf_fzbuf_print_da(ctx, fzbuf, &da_info);
da_len = fz_buffer_storage(ctx, fzbuf, &da_str);
pdf_dict_put_drop(ctx, annot->obj, PDF_NAME_DA, pdf_new_string(ctx, doc, (char *)da_str, da_len));
/* FIXME: should convert to WinAnsiEncoding */
pdf_dict_put_drop(ctx, annot->obj, PDF_NAME_Contents, pdf_new_string(ctx, doc, text, strlen(text)));
font_desc = pdf_load_font(ctx, doc, NULL, font, 0);
pdf_measure_text(ctx, font_desc, (unsigned char *)text, strlen(text), &bounds);
page_pos = *pos;
fz_transform_point(&page_pos, &inv_page_ctm);
bounds.x0 *= font_size;
bounds.x1 *= font_size;
bounds.y0 *= font_size;
bounds.y1 *= font_size;
bounds.x0 += page_pos.x;
bounds.x1 += page_pos.x;
bounds.y0 += page_pos.y;
bounds.y1 += page_pos.y;
pdf_dict_put_drop(ctx, annot->obj, PDF_NAME_Rect, pdf_new_rect(ctx, doc, &bounds));
}
fz_always(ctx)
{
pdf_drop_obj(ctx, font);
fz_drop_buffer(ctx, fzbuf);
pdf_drop_font(ctx, font_desc);
}
fz_catch(ctx)
{
fz_rethrow(ctx);
}
}
void pdf_set_free_text_details(pdf_document *doc, pdf_annot *annot, fz_point *pos, char *text, char *font_name, float font_size, float color[3])
{
fz_context *ctx = doc->ctx;
char nbuf[32];
pdf_obj *dr;
pdf_obj *form_fonts;
pdf_obj *font = NULL;
pdf_obj *ref;
pdf_font_desc *font_desc = NULL;
pdf_da_info da_info;
fz_buffer *fzbuf = NULL;
fz_matrix ctm;
fz_point page_pos;
fz_invert_matrix(&ctm, &annot->page->ctm);
dr = pdf_dict_gets(annot->page->me, "Resources");
if (!dr)
{
dr = pdf_new_dict(doc, 1);
pdf_dict_putp_drop(annot->page->me, "Resources", dr);
}
/* Ensure the resource dictionary includes a font dict */
form_fonts = pdf_dict_gets(dr, "Font");
if (!form_fonts)
{
form_fonts = pdf_new_dict(doc, 1);
pdf_dict_puts_drop(dr, "Font", form_fonts);
/* form_fonts is still valid if execution continues past the above call */
}
fz_var(fzbuf);
fz_var(font);
fz_try(ctx)
{
unsigned char *da_str;
int da_len;
fz_rect bounds;
find_free_font_name(form_fonts, nbuf, sizeof(nbuf));
font = pdf_new_dict(doc, 5);
ref = pdf_new_ref(doc, font);
pdf_dict_puts_drop(form_fonts, nbuf, ref);
pdf_dict_puts_drop(font, "Type", pdf_new_name(doc, "Font"));
pdf_dict_puts_drop(font, "Subtype", pdf_new_name(doc, "Type1"));
pdf_dict_puts_drop(font, "BaseFont", pdf_new_name(doc, font_name));
pdf_dict_puts_drop(font, "Encoding", pdf_new_name(doc, "WinAnsiEncoding"));
memcpy(da_info.col, color, sizeof(float)*3);
da_info.col_size = 3;
da_info.font_name = nbuf;
da_info.font_size = font_size;
fzbuf = fz_new_buffer(ctx, 0);
pdf_fzbuf_print_da(ctx, fzbuf, &da_info);
da_len = fz_buffer_storage(ctx, fzbuf, &da_str);
pdf_dict_puts_drop(annot->obj, "DA", pdf_new_string(doc, (char *)da_str, da_len));
/* FIXME: should convert to WinAnsiEncoding */
pdf_dict_puts_drop(annot->obj, "Contents", pdf_new_string(doc, text, strlen(text)));
font_desc = pdf_load_font(doc, NULL, font, 0);
pdf_measure_text(ctx, font_desc, (unsigned char *)text, strlen(text), &bounds);
page_pos = *pos;
fz_transform_point(&page_pos, &ctm);
bounds.x0 *= font_size;
bounds.x1 *= font_size;
bounds.y0 *= font_size;
bounds.y1 *= font_size;
bounds.x0 += page_pos.x;
bounds.x1 += page_pos.x;
bounds.y0 += page_pos.y;
bounds.y1 += page_pos.y;
pdf_dict_puts_drop(annot->obj, "Rect", pdf_new_rect(doc, &bounds));
update_rect(ctx, annot);
}
fz_always(ctx)
{
pdf_drop_obj(font);
fz_drop_buffer(ctx, fzbuf);
pdf_drop_font(ctx, font_desc);
}
fz_catch(ctx)
{
fz_rethrow(ctx);
}
}
