test_id,transform_type,input_width,input_height,param1,param2,param3,expected_width,expected_height,sample_x,sample_y,expected_x,expected_y,interpolation,tolerance,description
1,scale_up,100,100,2.0,0,0,200,200,50,50,100,100,nearest,0,"2x scale center point"
2,scale_up,100,100,2.0,0,0,200,200,0,0,0,0,nearest,0,"2x scale corner"
3,scale_up,100,100,2.0,0,0,200,200,99,99,198,198,nearest,1,"2x scale opposite corner"
4,scale_down,200,200,0.5,0,0,100,100,100,100,50,50,nearest,0,"0.5x scale center"
5,scale_down,200,200,0.5,0,0,100,100,198,198,99,99,nearest,1,"0.5x scale corner"
6,scale_bilinear,100,100,2.0,0,0,200,200,50,50,100,100,bilinear,0.01,"Bilinear 2x center"
7,scale_bilinear,100,100,2.0,0,0,200,200,25,75,50,150,bilinear,0.01,"Bilinear 2x arbitrary"
8,scale_bicubic,100,100,2.0,0,0,200,200,50,50,100,100,bicubic,0.02,"Bicubic 2x center"
9,scale_arbitrary,640,480,800,600,0,800,600,320,240,400,300,bilinear,1,"Arbitrary resize"
10,scale_aspect,800,600,400,0,0,400,300,400,300,200,150,bilinear,1,"Preserve aspect ratio"
11,rotate_90cw,100,100,90,0,0,100,100,0,0,99,0,nearest,0,"90° clockwise (0,0)->corner"
12,rotate_90cw,100,100,90,0,0,100,100,50,50,50,50,nearest,1,"90° clockwise center"
13,rotate_90cw,100,100,90,0,0,100,100,99,0,99,99,nearest,1,"90° clockwise corner"
14,rotate_90ccw,100,100,-90,0,0,100,100,0,0,0,99,nearest,0,"90° counter-clockwise"
15,rotate_180,100,100,180,0,0,100,100,0,0,99,99,nearest,0,"180° rotation"
16,rotate_180,100,100,180,0,0,100,100,50,50,49,49,nearest,1,"180° near center"
17,rotate_270,100,100,270,0,0,100,100,0,0,0,99,nearest,0,"270° same as -90°"
18,rotate_45,100,100,45,0,0,142,142,50,50,71,71,bilinear,2,"45° expands image"
19,rotate_30,100,100,30,0,0,137,137,50,50,68,68,bilinear,3,"30° rotation"
20,rotate_arbitrary,100,100,15,0,0,117,117,50,50,58,58,bilinear,3,"15° small rotation"
21,flip_h,100,100,0,0,0,100,100,0,50,99,50,nearest,0,"Horizontal flip"
22,flip_h,100,100,0,0,0,100,100,25,25,74,25,nearest,0,"H flip arbitrary"
23,flip_v,100,100,0,0,0,100,100,50,0,50,99,nearest,0,"Vertical flip"
24,flip_v,100,100,0,0,0,100,100,25,25,25,74,nearest,0,"V flip arbitrary"
25,flip_both,100,100,0,0,0,100,100,0,0,99,99,nearest,0,"Both flips = 180°"
26,crop,200,200,50,50,100,100,100,0,0,50,50,nearest,0,"Crop from center"
27,crop,200,200,0,0,100,100,100,50,50,50,50,nearest,0,"Crop top-left"
28,crop,200,200,100,100,100,100,100,50,50,150,150,nearest,0,"Crop bottom-right"
29,translate_pos,100,100,10,20,0,100,100,50,50,40,30,nearest,0,"Translate left-up"
30,translate_neg,100,100,-10,-20,0,100,100,50,50,60,70,nearest,0,"Translate right-down"
31,shear_h,100,100,0.2,0,0,120,100,50,50,60,50,bilinear,1,"Horizontal shear"
32,shear_v,100,100,0,0.2,0,100,120,50,50,50,60,bilinear,1,"Vertical shear"
33,shear_both,100,100,0.1,0.1,0,110,110,50,50,55,55,bilinear,2,"Combined shear"
34,interpolate_nn_edge,100,100,0,0,0,100,100,0.5,0.5,0,0,nearest,0,"Nearest at sub-pixel"
35,interpolate_nn_center,100,100,0,0,0,100,100,50.4,50.4,50,50,nearest,0,"Nearest rounds down"
36,interpolate_bilinear,100,100,0,0,0,100,100,50.5,50.5,50.5,50.5,bilinear,0,"Bilinear exact"
37,interpolate_bicubic,100,100,0,0,0,100,100,50.25,50.75,50.25,50.75,bicubic,0,"Bicubic sub-pixel"
38,affine_identity,100,100,1,0,0,100,100,50,50,50,50,bilinear,0,"Identity transform"
39,affine_scale,100,100,2,0,0,200,200,25,25,50,50,bilinear,1,"Affine scale 2x"
40,affine_rotate,100,100,0.707,-0.707,0.707,142,142,50,50,71,71,bilinear,2,"Affine 45° rotate"
41,perspective_simple,100,100,0,0,0.001,100,100,50,50,50.25,50.25,bilinear,1,"Simple perspective"
42,perspective_strong,100,100,0,0,0.005,100,100,50,50,52,52,bilinear,3,"Strong perspective"
43,barrel_dist,100,100,0.2,0,0,100,100,50,25,50,20,bilinear,3,"Barrel distortion"
44,pincushion_dist,100,100,-0.2,0,0,100,100,50,25,50,28,bilinear,3,"Pincushion"
45,fisheye,100,100,0.5,0,0,100,100,50,25,50,18,bilinear,5,"Fisheye effect"
46,polar_to_cart,100,100,0,0,0,100,100,50,50,50,50,bilinear,1,"Center unchanged"
47,polar_to_cart,100,100,0,0,0,100,100,75,50,75,50,bilinear,2,"Edge right"
48,cart_to_polar,100,100,0,0,0,100,100,50,50,50,50,bilinear,1,"Center unchanged"
49,mirror_h,100,100,0,0,0,200,100,25,25,25,25,nearest,0,"Mirror creates double width"
50,mirror_v,100,100,0,0,0,100,200,25,25,25,25,nearest,0,"Mirror creates double height"
51,tile_2x2,100,100,2,2,0,200,200,150,150,50,50,nearest,0,"Tile pattern repeats"
52,tile_3x3,100,100,3,3,0,300,300,250,250,50,50,nearest,0,"3x3 tiling"
53,pad_center,100,100,50,50,0,200,200,100,100,50,50,nearest,0,"Pad centers original"
54,border_add,100,100,10,0,0,120,120,60,60,50,50,nearest,0,"Add 10px border"
55,scale_lanczos,100,100,2.0,0,0,200,200,50,50,100,100,lanczos,0.02,"Lanczos 2x"
56,scale_lanczos,100,100,3.0,0,0,300,300,50,50,150,150,lanczos,0.02,"Lanczos 3x"
57,rotate_center_pivot,100,100,45,50,50,100,100,50,50,50,50,bilinear,1,"Rotate around center"
58,rotate_corner_pivot,100,100,90,0,0,100,100,50,50,50,50,bilinear,2,"Rotate around corner"
59,scale_down_nn,1000,1000,0.1,0,0,100,100,500,500,50,50,nearest,0,"10x downscale"
60,scale_down_bilinear,1000,1000,0.1,0,0,100,100,500,500,50,50,bilinear,0.1,"10x downscale bilinear"
61,rotate_45_crop,100,100,45,0,0,71,71,35,35,35,35,bilinear,2,"45° with auto-crop"
62,aspect_fit,1920,1080,800,800,0,800,450,960,540,400,225,bilinear,1,"Fit in 800x800"
63,aspect_fill,1920,1080,800,800,0,1422,800,960,540,711,400,bilinear,5,"Fill 800x800"
64,seam_carve_h,200,100,150,100,0,150,100,100,50,75,50,nearest,5,"Content-aware width"
65,seam_carve_v,100,200,100,150,0,100,150,50,100,50,75,nearest,5,"Content-aware height"
66,homography_rect,100,100,0.9,0.1,-5,100,100,50,50,45,55,bilinear,5,"Quadrilateral warp"
67,quad_warp,100,100,0,5,-5,100,100,50,50,48,52,bilinear,3,"4-corner warp"
68,cylindrical_proj,100,100,0.01,0,0,100,100,50,50,50,50,bilinear,2,"Cylindrical projection"
69,spherical_proj,100,100,0.01,0,0,100,100,50,50,50,50,bilinear,3,"Spherical projection"
70,reflect_h,100,100,0,0.5,0,100,150,50,100,50,49,bilinear,2,"Reflection with fade"
71,edge_wrap,100,100,0,0,0,100,100,-5,50,95,50,nearest,0,"Wrap around edges"
72,edge_clamp,100,100,0,0,0,100,100,-5,50,0,50,nearest,0,"Clamp to edge"
73,edge_reflect,100,100,0,0,0,100,100,-5,50,5,50,nearest,0,"Reflect at edge"
74,edge_black,100,100,0,0,0,100,100,-5,50,0,0,nearest,0,"Black outside"
75,rotate_expand,50,100,90,0,0,100,50,25,50,50,25,nearest,0,"Rotation swaps dimensions"
76,scale_non_uniform,100,100,2.0,0.5,0,200,50,50,50,100,25,bilinear,1,"Non-uniform scale"
77,translate_wrap,100,100,50,0,1,100,100,75,50,25,50,nearest,0,"Translate with wrap"
78,rotate_bilinear_aa,100,100,22.5,0,0,108,108,50,50,54,54,bilinear,2,"Antialiased rotation"
79,thin_plate_spline,100,100,0,0,0,100,100,50,50,52,48,bilinear,5,"TPS warp"
80,mesh_warp,100,100,4,4,0,100,100,50,50,48,52,bilinear,5,"Mesh-based warp"
81,zoom_center,100,100,1.5,50,50,100,100,50,50,50,50,bilinear,1,"Zoom to center"
82,zoom_corner,100,100,1.5,0,0,100,100,50,50,33,33,bilinear,3,"Zoom to corner"
83,rotate_bicubic_45,100,100,45,0,0,142,142,50,50,71,71,bicubic,2,"Bicubic 45° rotation"
84,scale_mitchell,100,100,2.0,0,0,200,200,50,50,100,100,mitchell,0.02,"Mitchell filter"
85,subsample_2x,100,100,0.5,0,0,50,50,50,50,25,25,area,0,"Area averaging downsample"
86,supersample_2x,100,100,2.0,0,0,200,200,50,50,100,100,area,0,"Area averaging upsample"
87,rotate_nn_90,512,512,90,0,0,512,512,256,256,256,256,nearest,0,"Large 90° exact"
88,rotate_nn_180,512,512,180,0,0,512,512,256,256,255,255,nearest,1,"Large 180° exact"
89,scale_exact_3x,100,100,3.0,0,0,300,300,50,50,150,150,nearest,0,"Exact 3x scale"
90,scale_exact_4x,100,100,4.0,0,0,400,400,50,50,200,200,nearest,0,"Exact 4x scale"
91,rotate_30_bilinear,200,200,30,0,0,273,273,100,100,136,136,bilinear,3,"Larger 30° rotation"
92,affine_general,100,100,1.2,0.3,-0.2,130,130,50,50,68,48,bilinear,3,"General affine"
93,perspective_keystone,100,100,0.002,-0.001,0,100,100,50,50,51,49,bilinear,3,"Keystone correction"
94,lens_correct_k1,100,100,-0.1,0,0,100,100,50,25,50,27,bilinear,2,"K1 lens correction"
95,lens_correct_k2,100,100,0,-0.05,0,100,100,50,25,50,26,bilinear,2,"K2 lens correction"
96,rotate_flip_combo,100,100,90,1,0,100,100,25,25,74,25,nearest,0,"Rotate + flip"
97,scale_rotate_combo,100,100,2.0,45,0,283,283,50,50,141,141,bilinear,5,"Scale + rotate"
98,multi_transform,100,100,1.5,30,10,163,163,50,50,92,75,bilinear,5,"Scale+rotate+translate"
99,identity_chain,100,100,0,0,0,100,100,50,50,50,50,bilinear,0,"Multiple identity ops"
100,round_trip,100,100,2.0,0.5,0,100,100,50,50,50,50,bilinear,1,"Scale up then down"