You've already forked libart-paperback
103 lines
2.6 KiB
C++
103 lines
2.6 KiB
C++
#include <fstream>
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#include <iostream>
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#include <art/paperback/document.hxx>
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#include <art/paperback/document-information.hxx>
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#include <art/paperback/page.hxx>
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#include <art/paperback/graphics/canvas.hxx>
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#include <art/paperback/graphics/standard-font.hxx>
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using namespace std;
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using namespace Art::Paperback;
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using namespace Art::Paperback::Graphics;
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int
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main(int argc, char* argv[])
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{
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if (argc != 2) {
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cerr << "usage: " << argv[0] << " <path>\n";
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return 1;
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}
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try {
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fstream fs{argv[1], ios_base::out | ios_base::binary};
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// Create a new document.
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//
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Document document{Document::create_new, fs, 1, 4};
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document.information().set_title("Example Document");
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document.information().set_author("Example Author");
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document.information().set_subject("Example Subject");
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document.information().set_keywords("PDF for C++");
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document.information().set_creator("libart-paperback");
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document.information().set_producer("libart-paperback");
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// Load one of the 14 standard fonts.
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//
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Standard_font font{document, "Helvetica-BoldOblique"};
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double width = 595;
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double height = 842;
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// Create a new page.
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//
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auto& page = document.create_page(Page::Properties{
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Rectangle{0, 0, width, height}
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});
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// Create a new canvas and render some text on the page.
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//
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Canvas canvas{Canvas::clear, page};
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// Set the font with a size of 14.
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//
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Canvas::Set_font use_font{canvas, font, 14};
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// Render some text and graphics.
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//
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{
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// Measure the width of the text, so we can center it.
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//
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auto tw = font.get_text_width("Hello, world!");
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auto text_width = (tw.width * 14) / 1000;
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auto capheight = (font.get_capheight() * 14) / 1000;
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double cx = (width / 2) - (text_width / 2);
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double cy = (height / 2) - (capheight / 2);
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{
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Canvas::Begin_text bt{canvas};
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bt.move_text_pos(cx, cy);
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bt.show_text("Hello, world!");
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}
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{
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Canvas::Path path{canvas, Canvas::Path::Paint_mode::stroke};
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// Draw borders around the text.
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//
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path.move_to(cx - 10, cy - 10);
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path.line_to(cx - 10, cy + capheight + 10);
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path.line_to(cx + text_width + 10, cy + capheight + 10);
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path.line_to(cx + text_width + 10, cy - 10);
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}
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}
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document.flush();
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}
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catch (exception const& ex) {
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cerr << argv[0] << ": error: " << ex.what() << '\n';
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}
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catch (int u) {
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cerr << argv[0] << ": " << u << '\n';
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}
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catch (...) {
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cerr << argv[0] << ": an unknown error occurred\n";
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}
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return 0;
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}
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