Blender V4.3
BLI_math_interp_test.cc
Go to the documentation of this file.
1/* SPDX-FileCopyrightText: 2024 Blender Authors
2 *
3 * SPDX-License-Identifier: Apache-2.0 */
4
5#include "testing/testing.h"
6
7#include "BLI_color.hh"
8#include "BLI_math_interp.hh"
9
10using namespace blender;
11using namespace blender::math;
12
13static constexpr float float_tolerance = 0.00005f;
14static constexpr int image_width = 3;
15static constexpr int image_height = 3;
16static constexpr uchar image_char[image_height][image_width][4] = {
17 {{255, 254, 217, 216}, {230, 230, 230, 230}, {240, 160, 90, 20}},
18 {{0, 1, 2, 3}, {62, 72, 82, 92}, {126, 127, 128, 129}},
19 {{1, 2, 3, 4}, {73, 108, 153, 251}, {128, 129, 130, 131}},
20};
21static constexpr float image_fl[image_height][image_width][4] = {
22 {{255, 254, 217, 216}, {230, 230, 230, 230}, {240, 160, 90, 20}},
23 {{0, 1, 2, 3}, {62, 72, 82, 92}, {126, 127, 128, 129}},
24 {{1, 2, 3, 4}, {73, 108, 153, 251}, {128, 129, 130, 131}},
25};
26
27TEST(math_interp, NearestCharExactSamples)
28{
29 uchar4 res;
30 uchar4 exp1 = {73, 108, 153, 251};
31 res = interpolate_nearest_border_byte(image_char[0][0], image_width, image_height, 1.0f, 2.0f);
32 EXPECT_EQ(exp1, res);
33 uchar4 exp2 = {240, 160, 90, 20};
34 res = interpolate_nearest_border_byte(image_char[0][0], image_width, image_height, 2.0f, 0.0f);
35 EXPECT_EQ(exp2, res);
36}
37
38TEST(math_interp, NearestCharHalfwaySamples)
39{
40 uchar4 res;
41 uchar4 exp1 = {0, 1, 2, 3};
42 res = interpolate_nearest_border_byte(image_char[0][0], image_width, image_height, 0.5f, 1.5f);
43 EXPECT_EQ(exp1, res);
44 uchar4 exp2 = {255, 254, 217, 216};
45 res = interpolate_nearest_border_byte(image_char[0][0], image_width, image_height, 0.5f, 0.5f);
46 EXPECT_EQ(exp2, res);
47}
48
49TEST(math_interp, NearestFloatExactSamples)
50{
51 float4 res;
52 float4 exp1 = {73.0f, 108.0f, 153.0f, 251.0f};
53 res = interpolate_nearest_border_fl(image_fl[0][0], image_width, image_height, 1.0f, 2.0f);
54 EXPECT_EQ(exp1, res);
55 float4 exp2 = {240.0f, 160.0f, 90.0f, 20.0f};
56 res = interpolate_nearest_border_fl(image_fl[0][0], image_width, image_height, 2.0f, 0.0f);
57 EXPECT_EQ(exp2, res);
58}
59
60TEST(math_interp, NearestFloatHalfwaySamples)
61{
62 float4 res;
63 float4 exp1 = {0.0f, 1.0f, 2.0f, 3.0f};
64 res = interpolate_nearest_border_fl(image_fl[0][0], image_width, image_height, 0.5f, 1.5f);
65 EXPECT_EQ(exp1, res);
66 float4 exp2 = {255.0f, 254.0f, 217.0f, 216.0f};
67 res = interpolate_nearest_border_fl(image_fl[0][0], image_width, image_height, 0.5f, 0.5f);
68 EXPECT_EQ(exp2, res);
69}
70
71TEST(math_interp, BilinearCharExactSamples)
72{
73 uchar4 res;
74 uchar4 exp1 = {73, 108, 153, 251};
75 res = interpolate_bilinear_border_byte(image_char[0][0], image_width, image_height, 1.0f, 2.0f);
76 EXPECT_EQ(exp1, res);
77 uchar4 exp2 = {240, 160, 90, 20};
78 res = interpolate_bilinear_border_byte(image_char[0][0], image_width, image_height, 2.0f, 0.0f);
79 EXPECT_EQ(exp2, res);
80}
81
82TEST(math_interp, BilinearCharHalfwayUSamples)
83{
84 uchar4 res;
85 uchar4 exp1 = {31, 37, 42, 48};
86 res = interpolate_bilinear_border_byte(image_char[0][0], image_width, image_height, 0.5f, 1.0f);
87 EXPECT_EQ(exp1, res);
88 uchar4 exp2 = {243, 242, 224, 223};
89 res = interpolate_bilinear_border_byte(image_char[0][0], image_width, image_height, 0.5f, 0.0f);
90 EXPECT_EQ(exp2, res);
91}
92
93TEST(math_interp, BilinearCharHalfwayVSamples)
94{
95 uchar4 res;
96 uchar4 exp1 = {1, 2, 3, 4};
97 res = interpolate_bilinear_border_byte(image_char[0][0], image_width, image_height, 0.0f, 1.5f);
98 EXPECT_EQ(exp1, res);
99 uchar4 exp2 = {127, 128, 129, 130};
100 res = interpolate_bilinear_border_byte(image_char[0][0], image_width, image_height, 2.0f, 1.5f);
101 EXPECT_EQ(exp2, res);
102}
103
104TEST(math_interp, BilinearCharSamples)
105{
106 uchar4 res;
107 uchar4 exp1 = {136, 133, 132, 130};
108 res = interpolate_bilinear_border_byte(
109 image_char[0][0], image_width, image_height, 1.25f, 0.625f);
110 EXPECT_EQ(exp1, res);
111 uchar4 exp2 = {219, 191, 167, 142};
112 res = interpolate_bilinear_border_byte(image_char[0][0], image_width, image_height, 1.4f, 0.1f);
113 EXPECT_EQ(exp2, res);
114}
115
116TEST(math_interp, BilinearFloatSamples)
117{
118 float4 res;
119 float4 exp1 = {135.9375f, 133.28125f, 131.5625f, 129.84375f};
120 res = interpolate_bilinear_border_fl(image_fl[0][0], image_width, image_height, 1.25f, 0.625f);
121 EXPECT_V4_NEAR(exp1, res, float_tolerance);
122 float4 exp2 = {219.36f, 191.2f, 166.64f, 142.08f};
123 res = interpolate_bilinear_border_fl(image_fl[0][0], image_width, image_height, 1.4f, 0.1f);
124 EXPECT_V4_NEAR(exp2, res, float_tolerance);
125}
126
127TEST(math_interp, BilinearCharPartiallyOutsideImageBorder)
128{
129 uchar4 res;
130 uchar4 exp1 = {1, 1, 2, 2};
131 res = interpolate_bilinear_border_byte(image_char[0][0], image_width, image_height, -0.5f, 2.0f);
132 EXPECT_EQ(exp1, res);
133 uchar4 exp2 = {9, 11, 15, 22};
134 res = interpolate_bilinear_border_byte(image_char[0][0], image_width, image_height, 1.25f, 2.9f);
135 EXPECT_EQ(exp2, res);
136 uchar4 exp3 = {173, 115, 65, 14};
137 res = interpolate_bilinear_border_byte(image_char[0][0], image_width, image_height, 2.2f, -0.1f);
138 EXPECT_EQ(exp3, res);
139}
140
141TEST(math_interp, BilinearCharPartiallyOutsideImage)
142{
143 uchar4 res;
144 uint4 exp1 = {1, 2, 3, 4};
145 res = interpolate_bilinear_byte(image_char[0][0], image_width, image_height, -0.5f, 2.0f);
146 EXPECT_EQ(exp1, uint4(res));
147 uint4 exp2 = {87, 113, 147, 221};
148 res = interpolate_bilinear_byte(image_char[0][0], image_width, image_height, 1.25f, 2.9f);
149 EXPECT_EQ(exp2, uint4(res));
150 uint4 exp3 = {240, 160, 90, 20};
151 res = interpolate_bilinear_byte(image_char[0][0], image_width, image_height, 2.2f, -0.1f);
152 EXPECT_EQ(exp3, uint4(res));
153}
154
155TEST(math_interp, BilinearCharPartiallyOutsideImageWrap)
156{
157 uchar4 res;
158 uchar4 exp1 = {65, 66, 67, 68};
159 res = interpolate_bilinear_wrap_byte(image_char[0][0], image_width, image_height, -0.5f, 2.0f);
160 EXPECT_EQ(exp1, res);
161 uchar4 exp2 = {218, 203, 190, 182};
162 res = interpolate_bilinear_wrap_byte(image_char[0][0], image_width, image_height, 1.25f, 2.9f);
163 EXPECT_EQ(exp2, res);
164 uchar4 exp3 = {229, 171, 114, 64};
165 res = interpolate_bilinear_wrap_byte(image_char[0][0], image_width, image_height, 2.2f, -0.1f);
166 EXPECT_EQ(exp3, res);
167}
168
169TEST(math_interp, BilinearFloatPartiallyOutsideImageBorder)
170{
171 float4 res;
172 float4 exp1 = {0.5f, 1, 1.5f, 2};
173 res = interpolate_bilinear_border_fl(image_fl[0][0], image_width, image_height, -0.5f, 2.0f);
174 EXPECT_V4_NEAR(exp1, res, float_tolerance);
175 float4 exp2 = {8.675f, 11.325f, 14.725f, 22.1f};
176 res = interpolate_bilinear_border_fl(image_fl[0][0], image_width, image_height, 1.25f, 2.9f);
177 EXPECT_V4_NEAR(exp2, res, float_tolerance);
178 float4 exp3 = {172.8f, 115.2f, 64.8f, 14.4f};
179 res = interpolate_bilinear_border_fl(image_fl[0][0], image_width, image_height, 2.2f, -0.1f);
180 EXPECT_V4_NEAR(exp3, res, float_tolerance);
181}
182
183TEST(math_interp, BilinearFloatPartiallyOutsideImage)
184{
185 float4 res;
186 float4 exp1 = {1.0f, 2.0f, 3.0f, 4.0f};
187 res = interpolate_bilinear_fl(image_fl[0][0], image_width, image_height, -0.5f, 2.0f);
188 EXPECT_V4_NEAR(exp1, res, float_tolerance);
189 float4 exp2 = {86.75f, 113.25f, 147.25f, 221.0f};
190 res = interpolate_bilinear_fl(image_fl[0][0], image_width, image_height, 1.25f, 2.9f);
191 EXPECT_V4_NEAR(exp2, res, float_tolerance);
192 float4 exp3 = {240.0f, 160.0f, 90.0f, 20.0f};
193 res = interpolate_bilinear_fl(image_fl[0][0], image_width, image_height, 2.2f, -0.1f);
194 EXPECT_V4_NEAR(exp3, res, float_tolerance);
195}
196
197TEST(math_interp, BilinearFloatPartiallyOutsideImageWrap)
198{
199 float4 res;
200 float4 exp1 = {64.5f, 65.5f, 66.5f, 67.5f};
201 interpolate_bilinear_wrap_fl(
202 image_fl[0][0], res, image_width, image_height, 4, -0.5f, 2.0f, true, true);
203 EXPECT_V4_NEAR(exp1, res, float_tolerance);
204 res = interpolate_bilinear_wrap_fl(image_fl[0][0], image_width, image_height, -0.5f, 2.0f);
205 EXPECT_V4_NEAR(exp1, res, float_tolerance);
206
207 float4 exp2 = {217.92502f, 202.57501f, 190.22501f, 181.85f};
208 interpolate_bilinear_wrap_fl(
209 image_fl[0][0], res, image_width, image_height, 4, 1.25f, 2.9f, true, true);
210 EXPECT_V4_NEAR(exp2, res, float_tolerance);
211 res = interpolate_bilinear_wrap_fl(image_fl[0][0], image_width, image_height, 1.25f, 2.9f);
212 EXPECT_V4_NEAR(exp2, res, float_tolerance);
213
214 float4 exp3 = {228.96f, 171.27998f, 114.32f, 63.84f};
215 interpolate_bilinear_wrap_fl(
216 image_fl[0][0], res, image_width, image_height, 4, 2.2f, -0.1f, true, true);
217 EXPECT_V4_NEAR(exp3, res, float_tolerance);
218 res = interpolate_bilinear_wrap_fl(image_fl[0][0], image_width, image_height, 2.2f, -0.1f);
219 EXPECT_V4_NEAR(exp3, res, float_tolerance);
220}
221
222TEST(math_interp, BilinearCharFullyOutsideImage)
223{
224 uchar4 res;
225 uchar4 exp = {0, 0, 0, 0};
226 /* Out of range on U */
227 res = interpolate_bilinear_border_byte(image_char[0][0], image_width, image_height, -1.5f, 0);
228 EXPECT_EQ(exp, res);
229 res = interpolate_bilinear_border_byte(image_char[0][0], image_width, image_height, -1.1f, 0);
230 EXPECT_EQ(exp, res);
231 res = interpolate_bilinear_border_byte(image_char[0][0], image_width, image_height, 3, 0);
232 EXPECT_EQ(exp, res);
233 res = interpolate_bilinear_border_byte(image_char[0][0], image_width, image_height, 5, 0);
234 EXPECT_EQ(exp, res);
235
236 /* Out of range on V */
237 res = interpolate_bilinear_border_byte(image_char[0][0], image_width, image_height, 0, -3.2f);
238 EXPECT_EQ(exp, res);
239 res = interpolate_bilinear_border_byte(image_char[0][0], image_width, image_height, 0, -1.5f);
240 EXPECT_EQ(exp, res);
241 res = interpolate_bilinear_border_byte(image_char[0][0], image_width, image_height, 0, 3.1f);
242 EXPECT_EQ(exp, res);
243 res = interpolate_bilinear_border_byte(image_char[0][0], image_width, image_height, 0, 500.0f);
244 EXPECT_EQ(exp, res);
245}
246
247TEST(math_interp, CubicBSplineCharExactSamples)
248{
249 uchar4 res;
250 uchar4 exp1 = {69, 90, 116, 172};
251 res = interpolate_cubic_bspline_byte(image_char[0][0], image_width, image_height, 1.0f, 2.0f);
252 EXPECT_EQ(exp1, res);
253 uchar4 exp2 = {218, 163, 115, 66};
254 res = interpolate_cubic_bspline_byte(image_char[0][0], image_width, image_height, 2.0f, 0.0f);
255 EXPECT_EQ(exp2, res);
256}
257
258TEST(math_interp, CubicBSplineCharSamples)
259{
260 uchar4 res;
261 uchar4 exp1 = {142, 136, 131, 128};
262 res = interpolate_cubic_bspline_byte(image_char[0][0], image_width, image_height, 1.25f, 0.625f);
263 EXPECT_EQ(exp1, res);
264 uchar4 exp2 = {202, 177, 154, 132};
265 res = interpolate_cubic_bspline_byte(image_char[0][0], image_width, image_height, 1.4f, 0.1f);
266 EXPECT_EQ(exp2, res);
267}
268
269TEST(math_interp, CubicBSplineFloatSamples)
270{
271 float4 res;
272 float4 exp1 = {142.14418f, 136.255798f, 130.87924f, 127.85243f};
273 res = interpolate_cubic_bspline_fl(image_fl[0][0], image_width, image_height, 1.25f, 0.625f);
274 EXPECT_V4_NEAR(exp1, res, float_tolerance);
275 float4 exp2 = {202.36082f, 177.13397f, 154.21078f, 132.30153f};
276 res = interpolate_cubic_bspline_fl(image_fl[0][0], image_width, image_height, 1.4f, 0.1f);
277 EXPECT_V4_NEAR(exp2, res, float_tolerance);
278}
279
280TEST(math_interp, CubicBSplineCharPartiallyOutsideImage)
281{
282 uchar4 res;
283 uchar4 exp1 = {2, 4, 6, 8};
284 res = interpolate_cubic_bspline_byte(image_char[0][0], image_width, image_height, -0.5f, 2.0f);
285 EXPECT_EQ(exp1, res);
286 uchar4 exp2 = {85, 107, 135, 195};
287 res = interpolate_cubic_bspline_byte(image_char[0][0], image_width, image_height, 1.25f, 2.9f);
288 EXPECT_EQ(exp2, res);
289 uchar4 exp3 = {225, 161, 105, 49};
290 res = interpolate_cubic_bspline_byte(image_char[0][0], image_width, image_height, 2.2f, -0.1f);
291 EXPECT_EQ(exp3, res);
292}
293
294TEST(math_interp, CubicBSplineFloatPartiallyOutsideImage)
295{
296 float4 res;
297 float4 exp1 = {2.29861f, 3.92014f, 5.71528f, 8.430554f};
298 res = interpolate_cubic_bspline_fl(image_fl[0][0], image_width, image_height, -0.5f, 2.0f);
299 EXPECT_V4_NEAR(exp1, res, float_tolerance);
300 float4 exp2 = {85.41022f, 107.21497f, 135.13849f, 195.49146f};
301 res = interpolate_cubic_bspline_fl(image_fl[0][0], image_width, image_height, 1.25f, 2.9f);
302 EXPECT_V4_NEAR(exp2, res, float_tolerance);
303 float4 exp3 = {224.73579f, 160.66783f, 104.63521f, 48.60260f};
304 res = interpolate_cubic_bspline_fl(image_fl[0][0], image_width, image_height, 2.2f, -0.1f);
305 EXPECT_V4_NEAR(exp3, res, float_tolerance);
306}
307
308TEST(math_interp, CubicBSplineCharFullyOutsideImage)
309{
310 uchar4 res;
311 uchar4 exp = {0, 0, 0, 0};
312 /* Out of range on U */
313 res = interpolate_cubic_bspline_byte(image_char[0][0], image_width, image_height, -1.5f, 0);
314 EXPECT_EQ(exp, res);
315 res = interpolate_cubic_bspline_byte(image_char[0][0], image_width, image_height, -1.1f, 0);
316 EXPECT_EQ(exp, res);
317 res = interpolate_cubic_bspline_byte(image_char[0][0], image_width, image_height, 3, 0);
318 EXPECT_EQ(exp, res);
319 res = interpolate_cubic_bspline_byte(image_char[0][0], image_width, image_height, 5, 0);
320 EXPECT_EQ(exp, res);
321
322 /* Out of range on V */
323 res = interpolate_cubic_bspline_byte(image_char[0][0], image_width, image_height, 0, -3.2f);
324 EXPECT_EQ(exp, res);
325 res = interpolate_cubic_bspline_byte(image_char[0][0], image_width, image_height, 0, -1.5f);
326 EXPECT_EQ(exp, res);
327 res = interpolate_cubic_bspline_byte(image_char[0][0], image_width, image_height, 0, 3.1f);
328 EXPECT_EQ(exp, res);
329 res = interpolate_cubic_bspline_byte(image_char[0][0], image_width, image_height, 0, 500.0f);
330 EXPECT_EQ(exp, res);
331}
332
333TEST(math_interp, CubicMitchellCharExactSamples)
334{
335 uchar4 res;
336 uchar4 exp1 = {72, 101, 140, 223};
337 res = interpolate_cubic_mitchell_byte(image_char[0][0], image_width, image_height, 1.0f, 2.0f);
338 EXPECT_EQ(int4(exp1), int4(res));
339 uchar4 exp2 = {233, 162, 99, 37};
340 res = interpolate_cubic_mitchell_byte(image_char[0][0], image_width, image_height, 2.0f, 0.0f);
341 EXPECT_EQ(int4(exp2), int4(res));
342}
343
344TEST(math_interp, CubicMitchellCharSamples)
345{
346 uchar4 res;
347 uchar4 exp1 = {135, 132, 130, 127};
348 res = interpolate_cubic_mitchell_byte(
349 image_char[0][0], image_width, image_height, 1.25f, 0.625f);
350 EXPECT_EQ(int4(exp1), int4(res));
351 uchar4 exp2 = {216, 189, 167, 143};
352 res = interpolate_cubic_mitchell_byte(image_char[0][0], image_width, image_height, 1.4f, 0.1f);
353 EXPECT_EQ(int4(exp2), int4(res));
354}
355
356TEST(math_interp, CubicMitchellFloatSamples)
357{
358 float4 res;
359 float4 exp1 = {134.5659f, 131.91309f, 130.17685f, 126.66989f};
360 res = interpolate_cubic_mitchell_fl(image_fl[0][0], image_width, image_height, 1.25f, 0.625f);
361 EXPECT_V4_NEAR(exp1, res, float_tolerance);
362 float4 exp2 = {216.27115f, 189.30673f, 166.93599f, 143.31964f};
363 res = interpolate_cubic_mitchell_fl(image_fl[0][0], image_width, image_height, 1.4f, 0.1f);
364 EXPECT_V4_NEAR(exp2, res, float_tolerance);
365}
366
367TEST(math_interp, CubicMitchellCharPartiallyOutsideImage)
368{
369 uchar4 res;
370 uchar4 exp1 = {0, 0, 0, 0};
371 res = interpolate_cubic_mitchell_byte(image_char[0][0], image_width, image_height, -0.5f, 2.0f);
372 EXPECT_EQ(int4(exp1), int4(res));
373 uchar4 exp2 = {88, 116, 151, 228};
374 res = interpolate_cubic_mitchell_byte(image_char[0][0], image_width, image_height, 1.25f, 2.9f);
375 EXPECT_EQ(int4(exp2), int4(res));
376 uchar4 exp3 = {239, 159, 89, 19};
377 res = interpolate_cubic_mitchell_byte(image_char[0][0], image_width, image_height, 2.2f, -0.1f);
378 EXPECT_EQ(int4(exp3), int4(res));
379}
380
381TEST(math_interp, CubicMitchellFloatPartiallyOutsideImage)
382{
383 float4 res;
384 float4 exp1 = {0, 0, 0, 0};
385 res = interpolate_cubic_mitchell_fl(image_fl[0][0], image_width, image_height, -0.5f, 2.0f);
386 EXPECT_V4_NEAR(exp1, res, float_tolerance);
387 float4 exp2 = {87.98676f, 115.63634f, 151.13014f, 228.19823f};
388 res = interpolate_cubic_mitchell_fl(image_fl[0][0], image_width, image_height, 1.25f, 2.9f);
389 EXPECT_V4_NEAR(exp2, res, float_tolerance);
390 float4 exp3 = {238.6136f, 158.58293f, 88.55761f, 18.53225f};
391 res = interpolate_cubic_mitchell_fl(image_fl[0][0], image_width, image_height, 2.2f, -0.1f);
392 EXPECT_V4_NEAR(exp3, res, float_tolerance);
393}
BLI_color.hh
EXPECT_EQ
EXPECT_EQ(BLI_expr_pylike_eval(expr, nullptr, 0, &result), EXPR_PYLIKE_INVALID)
BLI_math_interp.hh
float_tolerance
static constexpr float float_tolerance
Definition BLI_math_interp_test.cc:13
image_width
static constexpr int image_width
Definition BLI_math_interp_test.cc:14
image_char
static constexpr uchar image_char[image_height][image_width][4]
Definition BLI_math_interp_test.cc:16
image_fl
static constexpr float image_fl[image_height][image_width][4]
Definition BLI_math_interp_test.cc:21
image_height
static constexpr int image_height
Definition BLI_math_interp_test.cc:15
TEST
TEST(math_interp, NearestCharExactSamples)
Definition BLI_math_interp_test.cc:27
uchar
unsigned char uchar
Definition BLI_sys_types.h:71
blender::math::interpolate_cubic_mitchell_byte
uchar4 interpolate_cubic_mitchell_byte(const uchar *buffer, int width, int height, float u, float v)
Definition math_interp.cc:594
blender::math::interpolate_bilinear_wrap_byte
uchar4 interpolate_bilinear_wrap_byte(const uchar *buffer, int width, int height, float u, float v)
Definition math_interp.cc:524
blender::math::interpolate_bilinear_byte
uchar4 interpolate_bilinear_byte(const uchar *buffer, int width, int height, float u, float v)
Definition math_interp.cc:480
blender::math::interpolate_nearest_border_fl
void interpolate_nearest_border_fl(const float *buffer, float *output, int width, int height, int components, float u, float v)
Definition BLI_math_interp.hh:64
blender::math::interpolate_bilinear_border_fl
float4 interpolate_bilinear_border_fl(const float *buffer, int width, int height, float u, float v)
Definition math_interp.cc:485
blender::math::interpolate_bilinear_wrap_fl
float4 interpolate_bilinear_wrap_fl(const float *buffer, int width, int height, float u, float v)
Definition math_interp.cc:566
blender::math::exp
T exp(const T &x)
Definition BLI_math_base.hh:184
blender::math::interpolate_cubic_bspline_fl
float4 interpolate_cubic_bspline_fl(const float *buffer, int width, int height, float u, float v)
Definition math_interp.cc:580
blender::math::interpolate_bilinear_fl
float4 interpolate_bilinear_fl(const float *buffer, int width, int height, float u, float v)
Definition math_interp.cc:498
blender::math::interpolate_cubic_mitchell_fl
float4 interpolate_cubic_mitchell_fl(const float *buffer, int width, int height, float u, float v)
Definition math_interp.cc:602
blender::math::interpolate_cubic_bspline_byte
uchar4 interpolate_cubic_bspline_byte(const uchar *buffer, int width, int height, float u, float v)
Definition math_interp.cc:573
blender::math::interpolate_bilinear_border_byte
uchar4 interpolate_bilinear_border_byte(const uchar *buffer, int width, int height, float u, float v)
Definition math_interp.cc:474
blender::math::interpolate_nearest_border_byte
void interpolate_nearest_border_byte(const uchar *buffer, uchar *output, int width, int height, float u, float v)
Definition BLI_math_interp.hh:36
blender::int4
VecBase< int32_t, 4 > int4
Definition BLI_math_vector_types.hh:596
blender::uint4
VecBase< uint32_t, 4 > uint4
Definition BLI_math_vector_types.hh:600
Generated on Thu Feb 6 2025 07:36:39 for Blender by  doxygen 1.11.0