printed.canvas.htmlrender source code

1 /**
2 HTML Renderer.
3 
4 Copyright: Guillaume Piolat 2018.
5 License:   $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost License 1.0)
6 */
7 module printed.canvas.htmlrender;
8 
9 import std..string;
10 import printed.canvas.irenderer;
11 import printed.canvas.svgrender;
12 
13 
14 /// Renders 2D commands in a HTML file.
15 /// This simply embed a SVG inside.
16 class HTMLDocument : SVGDocument
17 {
18 public:
19     this(int pageWidthMm = 210, int pageHeightMm = 297)
20     {
21         super(pageWidthMm, pageHeightMm);
22     }
23 
24     override const(ubyte)[] bytes()
25     {
26         auto svgBytes = super.bytes();
27         auto htmlHeader = cast(const(ubyte)[])( getHTMLHeader() );
28         auto htmlFooter = cast(const(ubyte)[])( getHTMLFooter() );
29 
30         return htmlHeader ~ svgBytes ~ htmlFooter;
31     }
32 
33     void setTitle(string title)
34     {
35         _title = title;
36     }
37 
38 protected:
39     override string getXMLHeader()
40     {
41         return "";
42     }
43 
44 private:
45 
46     string _title = null;
47 
48     string getHTMLHeader()
49     {
50         string header =
51              `<!doctype html>`
52              ~ `<html>`
53              ~ `<head>`
54              ~ `<meta charset="utf-8">`;
55 
56         if (_title)
57             header ~= format(`<title>%s</title>`, _title);
58 
59         header ~= `</head>`
60                 ~ `<body>`;
61         return header;
62     }
63 
64     string getHTMLFooter()
65     {
66         return "</body></html>";
67     }
68 }