diff options
Diffstat (limited to 'src/graphics/Graphics.cpp')
| -rw-r--r-- | src/graphics/Graphics.cpp | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/src/graphics/Graphics.cpp b/src/graphics/Graphics.cpp index 35120c9..b948189 100644 --- a/src/graphics/Graphics.cpp +++ b/src/graphics/Graphics.cpp @@ -50,20 +50,30 @@ void VideoBuffer::Resize(float factor, bool resample) Resize(newWidth, newHeight); } -void VideoBuffer::Resize(int width, int height, bool resample) +void VideoBuffer::Resize(int width, int height, bool resample, bool fixedRatio) { int newWidth = width; int newHeight = height; pixel * newBuffer; if(newHeight == -1 && newWidth == -1) return; - if(newHeight == -1) + if(newHeight == -1 || newWidth == -1) { - newHeight = ((float)Height)*((float)newWidth/(float)Width); + if(newHeight == -1) + newHeight = ((float)Height)*((float)newWidth/(float)Width); + if(newWidth == -1) + newWidth = ((float)Width)*((float)newHeight/(float)Height); } - if(newWidth == -1) + else if(fixedRatio) { - newWidth = ((float)Width)*((float)newHeight/(float)Height); + //Force proportions + float scaleFactor = 1.0f; + if(Height > newHeight) + scaleFactor = ((float)newHeight)/((float)Height); + if(Width > newWidth) + scaleFactor = ((float)newWidth)/((float)Width); + newWidth = ((float)Width)*scaleFactor; + newHeight = ((float)Height)*scaleFactor; } if(resample) newBuffer = Graphics::resample_img(Buffer, Width, Height, newWidth, newHeight); |