1/**
2 * Copyright (c) 2006-2023 LOVE Development Team
3 *
4 * This software is provided 'as-is', without any express or implied
5 * warranty. In no event will the authors be held liable for any damages
6 * arising from the use of this software.
7 *
8 * Permission is granted to anyone to use this software for any purpose,
9 * including commercial applications, and to alter it and redistribute it
10 * freely, subject to the following restrictions:
11 *
12 * 1. The origin of this software must not be misrepresented; you must not
13 * claim that you wrote the original software. If you use this software
14 * in a product, an acknowledgment in the product documentation would be
15 * appreciated but is not required.
16 * 2. Altered source versions must be plainly marked as such, and must not be
17 * misrepresented as being the original software.
18 * 3. This notice may not be removed or altered from any source distribution.
19 **/
20
21#ifndef LOVE_FONT_IMAGE_RASTERIZER_H
22#define LOVE_FONT_IMAGE_RASTERIZER_H
23
24// LOVE
25#include "font/Rasterizer.h"
26#include "image/ImageData.h"
27#include "common/Color.h"
28
29#include <map>
30
31namespace love
32{
33namespace font
34{
35
36/**
37 * Holds data for a font object.
38 **/
39class ImageRasterizer : public Rasterizer
40{
41public:
42 ImageRasterizer(love::image::ImageData *imageData, uint32 *glyphs, int numglyphs, int extraspacing, float dpiscale);
43 virtual ~ImageRasterizer();
44
45 // Implement Rasterizer
46 int getLineHeight() const override;
47 GlyphData *getGlyphData(uint32 glyph) const override;
48 int getGlyphCount() const override;
49 bool hasGlyph(uint32 glyph) const override;
50 DataType getDataType() const override;
51
52
53private:
54
55 // Information about a glyph in the ImageData
56 struct ImageGlyphData
57 {
58 int x;
59 int width;
60 };
61
62 // Load all the glyph positions into memory
63 void load();
64
65 // The image data
66 StrongRef<love::image::ImageData> imageData;
67
68 // The glyphs in the font
69 uint32 *glyphs;
70
71 // Number of glyphs in the font
72 int numglyphs;
73
74 int extraSpacing;
75
76 std::map<uint32, ImageGlyphData> imageGlyphs;
77
78 // Color used to identify glyph separation in the source ImageData
79 Color32 spacer;
80
81}; // ImageRasterizer
82
83} // font
84} // love
85
86#endif // LOVE_FONT_IMAGE_RASTERIZER_H
87