iphone/ZXingWidget/GrayBytesMonochromeBitmapSource.cpp

   1 //
   2 //  GrayBytesMonochromeBitmapSource.cpp
   3 //  ZXing
   4 //
   5 //  Created by Thomas Recloux, Norsys on 04/12/2009.
   6 /*
   7  * Copyright 2008 ZXing authors
   8  *
   9  * Licensed under the Apache License, Version 2.0 (the "License");
  10  * you may not use this file except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  */
  21
  22 #include "GrayBytesMonochromeBitmapSource.h"
  23 #include <zxing/ReaderException.h>
  24
  25
  26 GrayBytesMonochromeBitmapSource::GrayBytesMonochromeBitmapSource(const unsigned char *bytes,
  27                                 int width,
  28                                 int height,
  29                                                                 int bytesPerRow)  :
  30                                 width_(width),
  31                                 height_(height),
  32                                 bytes_(bytes),
  33                                 bytesPerRow_(bytesPerRow) { }
  34
  35
  36 int GrayBytesMonochromeBitmapSource::getWidth() const{
  37         return width_;
  38 }
  39
  40 int GrayBytesMonochromeBitmapSource::getHeight() const {
  41         return height_;
  42 }
  43
  44 unsigned char GrayBytesMonochromeBitmapSource::getPixel(int x, int y) const {
  45 /*      if (x >= width_ || y >= height_) {
  46                 throw new ReaderException("bitmap coordinate out of bounds");
  47         }*/
  48         int index = y * bytesPerRow_ + x;
  49         return bytes_[index];
  50 }