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comparison OrthancStone/Sources/Fonts/GlyphBitmapAlphabet.cpp @ 1512:244ad1e4e76a

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reorganization of folders
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 07 Jul 2020 16:21:02 +0200
parents Framework/Fonts/GlyphBitmapAlphabet.cpp@30deba7bc8e2
children 85e117739eca
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1511:9dfeee74c1e6 1512:244ad1e4e76a
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2020 Osimis S.A., Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU Affero General Public License
9 * as published by the Free Software Foundation, either version 3 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Affero General Public License for more details.
16 *
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 **/
20
21
22 #include "GlyphBitmapAlphabet.h"
23
24 #include "TextBoundingBox.h"
25 #include "../Toolbox/DynamicBitmap.h"
26
27 #include <Images/Image.h>
28 #include <Images/ImageProcessing.h>
29
30 namespace OrthancStone
31 {
32 class GlyphBitmapAlphabet::RenderTextVisitor : public GlyphAlphabet::ITextVisitor
33 {
34 private:
35 Orthanc::ImageAccessor& target_;
36 const GlyphBitmapAlphabet& that_;
37 int offsetX_;
38 int offsetY_;
39
40 public:
41 RenderTextVisitor(Orthanc::ImageAccessor& target,
42 const GlyphBitmapAlphabet& that,
43 int offsetX,
44 int offsetY) :
45 target_(target),
46 that_(that),
47 offsetX_(offsetX),
48 offsetY_(offsetY)
49 {
50 }
51
52 virtual void Visit(uint32_t unicode,
53 int x,
54 int y,
55 unsigned int width,
56 unsigned int height,
57 const Orthanc::IDynamicObject* payload)
58 {
59 int left = x + offsetX_;
60 int top = y + offsetY_;
61
62 assert(payload != NULL);
63 const DynamicBitmap& glyph = *dynamic_cast<const DynamicBitmap*>(payload);
64
65 assert(left >= 0 &&
66 top >= 0 &&
67 static_cast<unsigned int>(left) + width <= target_.GetWidth() &&
68 static_cast<unsigned int>(top) + height <= target_.GetHeight() &&
69 width == glyph.GetBitmap().GetWidth() &&
70 height == glyph.GetBitmap().GetHeight());
71
72 {
73 Orthanc::ImageAccessor region;
74 target_.GetRegion(region, left, top, width, height);
75 Orthanc::ImageProcessing::Copy(region, glyph.GetBitmap());
76 }
77 }
78 };
79
80
81 #if ORTHANC_ENABLE_LOCALE == 1
82 void GlyphBitmapAlphabet::LoadCodepage(FontRenderer& renderer,
83 Orthanc::Encoding codepage)
84 {
85 for (unsigned int i = 0; i < 256; i++)
86 {
87 uint32_t unicode;
88 if (GlyphAlphabet::GetUnicodeFromCodepage(unicode, i, codepage))
89 {
90 AddUnicodeCharacter(renderer, unicode);
91 }
92 }
93 }
94 #endif
95
96
97 Orthanc::ImageAccessor* GlyphBitmapAlphabet::RenderText(const std::string& utf8) const
98 {
99 TextBoundingBox box(alphabet_, utf8);
100
101 std::unique_ptr<Orthanc::ImageAccessor> bitmap(
102 new Orthanc::Image(Orthanc::PixelFormat_Grayscale8,
103 box.GetWidth(), box.GetHeight(),
104 true /* force minimal pitch */));
105
106 Orthanc::ImageProcessing::Set(*bitmap, 0);
107
108 RenderTextVisitor visitor(*bitmap, *this, -box.GetLeft(), -box.GetTop());
109 alphabet_.Apply(visitor, utf8);
110
111 return bitmap.release();
112 }
113 }