set_option("searchpath={" . $searchpath . "}"); $p->set_option("searchpath={" . $fontpath . "}"); /* This means we must check return values of load_font() etc. */ $p->set_option("errorpolicy=return"); if ($p->begin_document($outfile, "") == 0) throw new Exception("Error: " . $p->get_errmsg()); $p->set_info("Creator", "PDFlib Cookbook"); $p->set_info("Title", $title); /* Open a PDF containing blocks */ $indoc = $p->open_pdi_document($infile, ""); if ($indoc == 0) throw new Exception("Error: " . $p->get_errmsg()); /* Open the first page */ $inpage = $p->open_pdi_page($indoc, 1, ""); if ($inpage == 0) throw new Exception("Error: " . $p->get_errmsg()); /* Get the width and height of the imported page */ $width = $p->pcos_get_number($indoc, "pages[0]/width"); $height = $p->pcos_get_number($indoc, "pages[0]/height"); /* Start the output page with the size given by the imported page */ $p->begin_page_ext($width, $height, ""); /* Place the imported page on the output page */ $p->fit_pdi_page($inpage, 0, 0, ""); /* Retrieve the number of blocks contained on the first page (which is * page no. 0) of the PDF opened */ $blockcount = (int) $p->pcos_get_number($indoc, "length:pages[0]/blocks"); if ($blockcount == 0) throw new Exception("Error: " . $infile . "does not contain any PDFlib blocks"); /* For three Text blocks on the first page, increase * the font size by 20%. Increase the size of the block rectangle by * a defined percentage and move the block down to prevent it from * overlapping with another block. */ for ($i = 0; $i < $blockcount; $i++) { /* Get the name of the block */ $blockname = $p->pcos_get_string($indoc, "pages[0]/blocks[" . $i . "]/Name"); /* Get the type of the block */ $blocktype = $p->pcos_get_string($indoc, "pages[0]/blocks[" . $i . "]/Subtype"); for ($j = 0; $j < $nblocks; $j++) { if ($blockname == $blocknames[$j]) { /* Check if it is a Text block */ if ($blocktype == "Text") { /* Get the font size of the block */ $blockfontsize = $p->pcos_get_number($indoc, "pages[0]/blocks[" . $i . "]/fontsize"); /* Retrieve the rectangle coordinates of the block */ $block_llx = (int) $p->pcos_get_number($indoc, "pages[0]/blocks[" . $i . "]/Rect[0]"); $block_lly = (int) $p->pcos_get_number($indoc, "pages[0]/blocks[" . $i . "]/Rect[1]"); $block_urx = (int) $p->pcos_get_number($indoc, "pages[0]/blocks[" . $i . "]/Rect[2]"); $block_ury = (int) $p->pcos_get_number($indoc, "pages[0]/blocks[" . $i . "]/Rect[3]"); /* Increase the font size by the percentage defined */ $newfontsize = $blockfontsize * ($percentage + 100) / 100; /* Specify the enlargement by the difference between the old * and the new font size multiplied by an increment factor */ $enlarge = $incrfactor * ($newfontsize - $blockfontsize); /* Increase the block rectangle by the enlargement * specified. In addition, move the rectangle down by j * times the enlargment to prevent the blocks from * overlapping. */ $newblock_llx = $block_llx; $newblock_lly = $block_lly - (1 + $j) * $enlarge; $newblock_urx = $block_urx + $enlarge; $newblock_ury = $block_ury - $j * $enlarge; $text_optlist = "fontname=NotoSerif-Regular fontsize=" . $newfontsize . " refpoint={" . $block_llx . " " . $newblock_lly . "}" . " boxsize={" . ($newblock_urx - $newblock_llx) . " " . ($newblock_ury - $newblock_lly) . "}" . " fillcolor={rgb 0 0.7 0}"; if ($p->fill_textblock($inpage, $blockname, $blockname, $text_optlist) == 0) trigger_error("Warning: " . $p->get_errmsg() ."\n"); } break; } } } $p->end_page_ext(""); $p->close_pdi_page($inpage); $p->end_document(""); $p->close_pdi_document($indoc); $buf = $p->get_buffer(); $len = strlen($buf); header("Content-type: application/pdf"); header("Content-Length: $len"); header("Content-Disposition: inline; filename=override_block_rectangle.pdf"); print $buf; } catch (PDFlibException $e) { echo("PDFlib exception occurred:\n". "[" . $e->get_errnum() . "] " . $e->get_apiname() . ": " . $e->get_errmsg() . "\n"); exit(1); } catch (Throwable $e) { echo("PHP exception occurred: " . $e->getMessage() . "\n"); exit(1); } $p = 0; ?>