diff options
Diffstat (limited to 'rs')
| -rwxr-xr-x[-rw-r--r--] | rs/rotator.rs | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/rs/rotator.rs b/rs/rotator.rs index 5a27e00f7..2c57951d6 100644..100755 --- a/rs/rotator.rs +++ b/rs/rotator.rs @@ -35,32 +35,42 @@ rs_allocation gIn; uint32_t width; uint32_t height; uint32_t pad; -bool gFlip; +uint32_t degree; uchar __attribute__((kernel)) rotate90andMerge(uint32_t x, uint32_t y) { uchar yValue = rsGetElementAt_uchar(gIn, x + y*width); - if(gFlip) { + if(degree == 180) { if(x >= width - pad) return (uchar)0; rsSetElementAt_uchar(gOut, yValue, (width-1-x-pad)*height + height - 1 - y); - } else { + } else if (degree == 90) { rsSetElementAt_uchar(gOut, yValue, x*height + height - 1 - y); + } else if (degree == 270) { + if(x >= width - pad) + return (uchar)0; + rsSetElementAt_uchar(gOut, yValue, (width-1-x-pad)*height + y); } + if(x%2 == 0 && y%2 == 0) { uint32_t ySize = width*height; uint32_t index = ySize + x + ((y/2) * width); uchar vValue = rsGetElementAt_uchar(gIn, index); uchar uValue = rsGetElementAt_uchar(gIn, index + 1); - if(gFlip) { + if(degree == 180) { if(x >= width - pad) return (uchar)0; rsSetElementAt_uchar(gOut, uValue, ySize + (width-2-x-pad)/2*height + height - 1 - y); rsSetElementAt_uchar(gOut, vValue, ySize + (width-2-x-pad)/2*height + height - 1 - y - 1); - } else { + } else if (degree == 90) { rsSetElementAt_uchar(gOut, uValue, ySize + x/2*height + height - 1 - y); rsSetElementAt_uchar(gOut, vValue, ySize + x/2*height + height - 1 - y - 1); + } else if (degree == 270) { + if(x >= (width - pad)) + return (uchar)0; + rsSetElementAt_uchar(gOut, uValue, ySize + (width-1-x-pad)/2*height + y -1); + rsSetElementAt_uchar(gOut, vValue, ySize + (width-1-x-pad)/2*height + y); } } return (uchar)0; |