static fz_output *
start_def(fz_context *ctx, svg_device *sdev)
{
sdev->def_count++;
if (sdev->def_count == 2)
{
if (sdev->defs == NULL)
{
if (sdev->defs_buffer == NULL)
sdev->defs_buffer = fz_new_buffer(ctx, 1024);
sdev->defs = fz_new_output_with_buffer(ctx, sdev->defs_buffer);
}
sdev->out = sdev->defs;
}
return sdev->out;
}
pdf_processor *
pdf_new_buffer_processor(fz_context *ctx, fz_buffer *buffer)
{
pdf_processor *proc;
fz_output *out = fz_new_output_with_buffer(ctx, buffer);
fz_try(ctx)
{
proc = pdf_new_output_processor(ctx, out);
}
fz_catch(ctx)
{
fz_drop_output(ctx, out);
fz_rethrow(ctx);
}
return proc;
}
/* dest points to the new pages content-streams-dict, src is a reference to
one source content-stream */
int copy_content_stream_of_page(fz_context *dest_ctx, pdf_obj *dest,
fz_context *src_ctx, pdf_obj *src,
struct put_info *info, struct pos_info *pos)
{
if(!pdf_is_array(dest_ctx, dest) && !pdf_is_indirect(src_ctx, src))
return(-1);
/*
translation: 1 0 0 1 diff_x diff_y
scale: scale 0 0 scale 0 0
rotation: cos sin -sin cos 0 0
-------------------------------------------------
rotation 0: 1 0 0 1 0 0
rotation 90: 0 1 -1 0 0 0
rotation 180: -1 0 0 -1 0 0
rotation 270: 0 -1 1 0 0 0
*/
fz_buffer *buffer = fz_new_buffer(dest_ctx, 1024);
fz_output *output = fz_new_output_with_buffer(dest_ctx, buffer);
fz_printf(dest_ctx, output, "q\n");
/* set the outer clip region */
fz_printf(dest_ctx, output, "%f %f %f %f re W n\n",
pos->outer_clip_x, pos->outer_clip_y,
pos->outer_clip_width, pos->outer_clip_height);
/* position the page correctly */
if(pos->rotate == 0) {
fz_printf(dest_ctx, output, "1 0 0 1 %f %f cm\n",
pos->x + pos->content_translate_x, pos->y + pos->content_translate_y);
} else if(pos->rotate == 90) {
fz_printf(dest_ctx, output, "0 1 -1 0 %f %f cm\n", pos->x + pos->width, pos->y);
} else if(pos->rotate == 180) {
fz_printf(dest_ctx, output, "-1 0 0 -1 %f %f cm\n",
pos->width + pos->x - pos->content_translate_x,
pos->height + pos->y - pos->content_translate_y);
} else if(pos->rotate == 270) {
fz_printf(dest_ctx, output, "0 -1 1 0 %f %f cm\n", pos->x, pos->y + pos->height);
}
if(pos->bleed_clip_x != 0.0 || pos->bleed_clip_y != 0.0 ||
pos->bleed_clip_width != 0.0 || pos->bleed_clip_height != 0.0)
{
fz_printf(dest_ctx, output, "%f %f %f %f re W n\n",
pos->bleed_clip_x, pos->bleed_clip_y, pos->bleed_clip_width, pos->bleed_clip_height);
}
int src_num = pdf_to_num(src_ctx, src);
int src_gen = pdf_to_gen(src_ctx, src);
fz_stream *input = pdf_open_stream(src_ctx, info->src_doc, src_num, src_gen);
rename_res_in_content_stream(src_ctx, input, dest_ctx, output, info->rename_dict);
fz_printf(dest_ctx, output, "Q");
fz_drop_output(dest_ctx, output);
fz_drop_stream(dest_ctx, input);
int new_num = pdf_create_object(dest_ctx, info->dest_doc);
pdf_obj *new_ref = pdf_new_indirect(dest_ctx, info->dest_doc, new_num, 0);
/* each stream has a dict containing at least its length... */
pdf_obj *stream_info_dict = pdf_new_dict(dest_ctx, info->dest_doc, 1);
pdf_dict_puts_drop(dest_ctx, stream_info_dict, "Length", pdf_new_int(dest_ctx, info->dest_doc, buffer->len));
pdf_update_object(dest_ctx, info->dest_doc, new_num, stream_info_dict);
pdf_drop_obj(dest_ctx, stream_info_dict);
pdf_update_stream(dest_ctx, info->dest_doc, new_ref, buffer, 0);
fz_drop_buffer(dest_ctx, buffer);
pdf_array_push(dest_ctx, dest, new_ref);
pdf_drop_obj(dest_ctx, new_ref);
return(0);
}