Mercurial > hg > orthanc-wsi
annotate Framework/Inputs/DecodedTiledPyramid.cpp @ 81:d101055fc20b
move of third party downloads to the main server
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 29 Nov 2016 13:31:23 +0100 |
| parents | 7a88c614be04 |
| children | ff0ef01c332c |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 5 * | |
| 6 * This program is free software: you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU Affero General Public License | |
| 8 * as published by the Free Software Foundation, either version 3 of | |
| 9 * the License, or (at your option) any later version. | |
| 10 * | |
| 11 * This program is distributed in the hope that it will be useful, but | |
| 12 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 * Affero General Public License for more details. | |
| 15 * | |
| 16 * You should have received a copy of the GNU Affero General Public License | |
| 17 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 18 **/ | |
| 19 | |
| 20 | |
|
16
7a88c614be04
preparing for precompiled headers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
0
diff
changeset
|
21 #include "../PrecompiledHeadersWSI.h" |
| 0 | 22 #include "DecodedTiledPyramid.h" |
| 23 | |
| 24 #include "../ImageToolbox.h" | |
| 25 | |
| 26 #include <memory> | |
| 27 #include <cassert> | |
| 28 | |
| 29 namespace OrthancWSI | |
| 30 { | |
| 31 DecodedTiledPyramid::DecodedTiledPyramid() | |
| 32 { | |
| 33 SetBackgroundColor(255, 255, 255); | |
| 34 } | |
| 35 | |
| 36 | |
| 37 void DecodedTiledPyramid::SetBackgroundColor(uint8_t red, | |
| 38 uint8_t green, | |
| 39 uint8_t blue) | |
| 40 { | |
| 41 backgroundColor_[0] = red; | |
| 42 backgroundColor_[1] = green; | |
| 43 backgroundColor_[2] = blue; | |
| 44 } | |
| 45 | |
| 46 | |
| 47 void DecodedTiledPyramid::GetBackgroundColor(uint8_t& red, | |
| 48 uint8_t& green, | |
| 49 uint8_t& blue) const | |
| 50 { | |
| 51 red = backgroundColor_[0]; | |
| 52 green = backgroundColor_[1]; | |
| 53 blue = backgroundColor_[2]; | |
| 54 } | |
| 55 | |
| 56 | |
| 57 Orthanc::ImageAccessor* DecodedTiledPyramid::DecodeTile(unsigned int level, | |
| 58 unsigned int tileX, | |
| 59 unsigned int tileY) | |
| 60 { | |
| 61 unsigned int x = tileX * GetTileWidth(); | |
| 62 unsigned int y = tileY * GetTileHeight(); | |
| 63 | |
| 64 std::auto_ptr<Orthanc::ImageAccessor> tile | |
| 65 (ImageToolbox::Allocate(GetPixelFormat(), GetTileWidth(), GetTileHeight())); | |
| 66 | |
| 67 if (x >= GetLevelWidth(level) || | |
| 68 y >= GetLevelHeight(level)) // (*) | |
| 69 { | |
| 70 ImageToolbox::Set(*tile, backgroundColor_[0], backgroundColor_[1], backgroundColor_[2]); | |
| 71 return tile.release(); | |
| 72 } | |
| 73 | |
| 74 bool fit = true; | |
| 75 unsigned int regionWidth; | |
| 76 if (x + GetTileWidth() <= GetLevelWidth(level)) | |
| 77 { | |
| 78 regionWidth = GetTileWidth(); | |
| 79 } | |
| 80 else | |
| 81 { | |
| 82 assert(GetLevelWidth(level) >= x); // This results from (*) | |
| 83 regionWidth = GetLevelWidth(level) - x; | |
| 84 fit = false; | |
| 85 } | |
| 86 | |
| 87 unsigned int regionHeight; | |
| 88 if (y + GetTileHeight() <= GetLevelHeight(level)) | |
| 89 { | |
| 90 regionHeight = GetTileHeight(); | |
| 91 } | |
| 92 else | |
| 93 { | |
| 94 assert(GetLevelHeight(level) >= y); // This results from (*) | |
| 95 regionHeight = GetLevelHeight(level) - y; | |
| 96 fit = false; | |
| 97 } | |
| 98 | |
| 99 if (fit) | |
| 100 { | |
| 101 // The tile entirely lies inside the image | |
| 102 ReadRegion(*tile, level, x, y); | |
| 103 } | |
| 104 else | |
| 105 { | |
| 106 // The tile exceeds the size of image, decode it to a temporary buffer | |
| 107 std::auto_ptr<Orthanc::ImageAccessor> cropped | |
| 108 (ImageToolbox::Allocate(GetPixelFormat(), regionWidth, regionHeight)); | |
| 109 ReadRegion(*cropped, level, x, y); | |
| 110 | |
| 111 // Create a white tile, and fill it with the cropped content | |
| 112 ImageToolbox::Set(*tile, backgroundColor_[0], backgroundColor_[1], backgroundColor_[2]); | |
| 113 ImageToolbox::Embed(*tile, *cropped, 0, 0); | |
| 114 } | |
| 115 | |
| 116 return tile.release(); | |
| 117 } | |
| 118 } |