diff options
Diffstat (limited to 'printing/image.cc')
| -rw-r--r-- | printing/image.cc | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/printing/image.cc b/printing/image.cc index dd52380..affd5db 100644 --- a/printing/image.cc +++ b/printing/image.cc @@ -4,7 +4,10 @@ #include "printing/image.h" +#include <algorithm> + #include "base/file_util.h" +#include "base/logging.h" #include "base/md5.h" #include "base/string_number_conversions.h" #include "gfx/codec/png_codec.h" @@ -131,6 +134,14 @@ double Image::PercentageDifferent(const Image& rhs) const { return static_cast<double>(pixels_different) / total_pixels * 100.; } +uint32 Image::pixel_at(int x, int y) const { + DCHECK(x >= 0 && x < size_.width()); + DCHECK(y >= 0 && y < size_.height()); + const uint32* data = reinterpret_cast<const uint32*>(&*data_.begin()); + const uint32* data_row = data + y * row_length_ / sizeof(uint32); + return Color(data_row[x]); +} + bool Image::LoadPng(const std::string& compressed) { int w; int h; |