diff options
Diffstat (limited to 'src/gui/search/Thumbnail.cpp')
| -rw-r--r-- | src/gui/search/Thumbnail.cpp | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/gui/search/Thumbnail.cpp b/src/gui/search/Thumbnail.cpp new file mode 100644 index 0000000..1f06c45 --- /dev/null +++ b/src/gui/search/Thumbnail.cpp @@ -0,0 +1,73 @@ +#include "Thumbnail.h" + +Thumbnail::Thumbnail(const Thumbnail & thumb): + ID(thumb.ID), + Datestamp(thumb.Datestamp), + Data(thumb.Data), + Size(thumb.Size) +{ + //Ensure the actual thumbnail data is copied + if(thumb.Data) + { + Data = new pixel[thumb.Size.X*thumb.Size.Y]; + memcpy(Data, thumb.Data, (thumb.Size.X*thumb.Size.Y) * PIXELSIZE); + } + else + { + Data = NULL; + } +} + +Thumbnail::Thumbnail(int _id, int _datestamp, pixel * _data, ui::Point _size): + ID(_id), + Datestamp(_datestamp), + Data(_data), + Size(_size) +{ + if(_data) + { + Data = new pixel[_size.X*_size.Y]; + memcpy(Data, _data, (_size.X*_size.Y) * PIXELSIZE); + } + else + { + Data = NULL; + } +} + +void Thumbnail::Resize(int width, int height) +{ + Resize(ui::Point(width, height)); +} + +void Thumbnail::Resize(ui::Point newSize) +{ + float scaleFactorX = 1.0f, scaleFactorY = 1.0f; + if(Size.Y > newSize.Y) + { + scaleFactorY = float(newSize.Y)/((float)Size.Y); + } + if(Size.X > newSize.X) + { + scaleFactorX = float(newSize.X)/((float)Size.X); + } + if(newSize.X == -1) + scaleFactorX = scaleFactorY; + if(newSize.Y == -1) + scaleFactorY = scaleFactorX; + if(scaleFactorY < 1.0f || scaleFactorX < 1.0f) + { + float scaleFactor = scaleFactorY < scaleFactorX ? scaleFactorY : scaleFactorX; + pixel * thumbData = Data; + Data = Graphics::resample_img(thumbData, Size.X, Size.Y, Size.X * scaleFactor, Size.Y * scaleFactor); + Size.X *= scaleFactor; + Size.Y *= scaleFactor; + delete[] thumbData; + } +} + +Thumbnail::~Thumbnail() +{ + if(Data) + delete[] Data; +} |
