Mercurial > hg > orthanc-stone
annotate Framework/Fonts/OpenGLTextCoordinates.cpp @ 702:c0a5eb9a4290 refactor-viewport-controller
Merge from default
| author | Benjamin Golinvaux <bgo@osimis.io> |
|---|---|
| date | Sun, 19 May 2019 16:29:50 +0200 |
| parents | 9a474e90e832 |
| children | 2d8ab34c8c91 |
| rev | line source |
|---|---|
| 577 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 5 * Copyright (C) 2017-2019 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 "OpenGLTextCoordinates.h" | |
| 23 | |
| 24 #include <Core/OrthancException.h> | |
| 25 | |
| 26 namespace OrthancStone | |
| 27 { | |
| 28 namespace OpenGL | |
| 29 { | |
| 30 void OpenGLTextCoordinates::Visit(uint32_t unicode, | |
| 31 int x, | |
| 32 int y, | |
| 33 unsigned int width, | |
| 34 unsigned int height, | |
| 35 const Orthanc::IDynamicObject* payload) | |
| 36 { | |
| 37 // Rendering coordinates | |
|
693
9a474e90e832
Fixed a bunch of truncation warnings in various parts of the library
Benjamin Golinvaux <bgo@osimis.io>
parents:
577
diff
changeset
|
38 float rx1 = static_cast<float>(x - box_.GetLeft()); |
|
9a474e90e832
Fixed a bunch of truncation warnings in various parts of the library
Benjamin Golinvaux <bgo@osimis.io>
parents:
577
diff
changeset
|
39 float ry1 = static_cast<float>(y - box_.GetTop()); |
| 577 | 40 float rx2 = rx1 + static_cast<float>(width); |
| 41 float ry2 = ry1 + static_cast<float>(height); | |
| 42 | |
| 43 // Texture coordinates | |
| 44 assert(payload != NULL); | |
| 45 const GlyphTextureAlphabet::TextureLocation& location = | |
| 46 *dynamic_cast<const GlyphTextureAlphabet::TextureLocation*>(payload); | |
| 47 | |
| 48 float tx1 = location.GetX() / textureWidth_; | |
| 49 float ty1 = location.GetY() / textureHeight_; | |
| 50 float tx2 = tx1 + (static_cast<float>(width) / textureWidth_); | |
| 51 float ty2 = ty1 + (static_cast<float>(height) / textureHeight_); | |
| 52 | |
| 53 const float rpos[6][2] = { | |
| 54 { rx1, ry1 }, | |
| 55 { rx1, ry2 }, | |
| 56 { rx2, ry1 }, | |
| 57 { rx2, ry1 }, | |
| 58 { rx1, ry2 }, | |
| 59 { rx2, ry2 } | |
| 60 }; | |
| 61 | |
| 62 const float tpos[6][2] = { | |
| 63 { tx1, ty1 }, | |
| 64 { tx1, ty2 }, | |
| 65 { tx2, ty1 }, | |
| 66 { tx2, ty1 }, | |
| 67 { tx1, ty2 }, | |
| 68 { tx2, ty2 } | |
| 69 }; | |
| 70 | |
| 71 for (unsigned int i = 0; i < 6; i++) | |
| 72 { | |
| 73 renderingCoords_.push_back(rpos[i][0]); | |
| 74 renderingCoords_.push_back(rpos[i][1]); | |
| 75 textureCoords_.push_back(tpos[i][0]); | |
| 76 textureCoords_.push_back(tpos[i][1]); | |
| 77 } | |
| 78 } | |
| 79 | |
| 80 | |
| 81 OpenGLTextCoordinates::OpenGLTextCoordinates(const GlyphTextureAlphabet& alphabet, | |
| 82 const std::string& utf8) : | |
| 83 box_(alphabet.GetAlphabet(), utf8), | |
|
693
9a474e90e832
Fixed a bunch of truncation warnings in various parts of the library
Benjamin Golinvaux <bgo@osimis.io>
parents:
577
diff
changeset
|
84 textureWidth_(static_cast<float>(alphabet.GetTextureWidth())), |
|
9a474e90e832
Fixed a bunch of truncation warnings in various parts of the library
Benjamin Golinvaux <bgo@osimis.io>
parents:
577
diff
changeset
|
85 textureHeight_(static_cast<float>(alphabet.GetTextureHeight())) |
| 577 | 86 { |
| 87 if (textureWidth_ <= 0 || | |
| 88 textureHeight_ <= 0) | |
| 89 { | |
| 90 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); | |
| 91 } | |
| 92 | |
| 93 width_ = static_cast<float>(box_.GetWidth()); | |
| 94 height_ = static_cast<float>(box_.GetHeight()); | |
| 95 | |
| 96 // Each character is made of two 2D triangles (= 2 * 3 * 2 = 12) | |
| 97 renderingCoords_.reserve(box_.GetCharactersCount() * 12); | |
| 98 textureCoords_.reserve(box_.GetCharactersCount() * 12); | |
| 99 | |
| 100 alphabet.GetAlphabet().Apply(*this, utf8); | |
| 101 } | |
| 102 | |
| 103 | |
| 104 const std::vector<float>& OpenGLTextCoordinates::GetRenderingCoords() const | |
| 105 { | |
| 106 assert(renderingCoords_.size() == textureCoords_.size()); | |
| 107 return renderingCoords_; | |
| 108 } | |
| 109 | |
| 110 | |
| 111 const std::vector<float>& OpenGLTextCoordinates::GetTextureCoords() const | |
| 112 { | |
| 113 assert(renderingCoords_.size() == textureCoords_.size()); | |
| 114 return textureCoords_; | |
| 115 } | |
| 116 } | |
| 117 } |