Blender V4.3
IMB_interp.hh
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1/* SPDX-FileCopyrightText: 2024 Blender Authors
2 *
3 * SPDX-License-Identifier: GPL-2.0-or-later */
4
12#pragma once
13
14#include "BLI_math_interp.hh"
15#include "IMB_imbuf_types.hh"
16
17#include <cstring>
18
19namespace blender::imbuf {
20
21/* Nearest sampling. */
22
23[[nodiscard]] inline uchar4 interpolate_nearest_border_byte(const ImBuf *in, float u, float v)
24{
25 return math::interpolate_nearest_border_byte(in->byte_buffer.data, in->x, in->y, u, v);
26}
27[[nodiscard]] inline float4 interpolate_nearest_border_fl(const ImBuf *in, float u, float v)
28{
29 return math::interpolate_nearest_border_fl(in->float_buffer.data, in->x, in->y, u, v);
30}
31inline void interpolate_nearest_border_byte(const ImBuf *in, uchar output[4], float u, float v)
32{
33 math::interpolate_nearest_border_byte(in->byte_buffer.data, output, in->x, in->y, u, v);
34}
35inline void interpolate_nearest_border_fl(const ImBuf *in, float output[4], float u, float v)
36{
37 math::interpolate_nearest_border_fl(in->float_buffer.data, output, in->x, in->y, 4, u, v);
38}
39
40/* Nearest sampling with UV wrapping. */
41
42[[nodiscard]] inline uchar4 interpolate_nearest_wrap_byte(const ImBuf *in, float u, float v)
43{
44 return math::interpolate_nearest_wrap_byte(in->byte_buffer.data, in->x, in->y, u, v);
45}
46[[nodiscard]] inline float4 interpolate_nearest_wrap_fl(const ImBuf *in, float u, float v)
47{
48 return math::interpolate_nearest_wrap_fl(in->float_buffer.data, in->x, in->y, u, v);
49}
50
51/* Bilinear sampling. */
52
53[[nodiscard]] inline uchar4 interpolate_bilinear_byte(const ImBuf *in, float u, float v)
54{
55 return math::interpolate_bilinear_byte(in->byte_buffer.data, in->x, in->y, u, v);
56}
57[[nodiscard]] inline float4 interpolate_bilinear_fl(const ImBuf *in, float u, float v)
58{
59 return math::interpolate_bilinear_fl(in->float_buffer.data, in->x, in->y, u, v);
60}
61inline void interpolate_bilinear_byte(const ImBuf *in, uchar output[4], float u, float v)
62{
63 uchar4 col = math::interpolate_bilinear_byte(in->byte_buffer.data, in->x, in->y, u, v);
64 memcpy(output, &col, sizeof(col));
65}
66inline void interpolate_bilinear_fl(const ImBuf *in, float output[4], float u, float v)
67{
68 float4 col = math::interpolate_bilinear_fl(in->float_buffer.data, in->x, in->y, u, v);
69 memcpy(output, &col, sizeof(col));
70}
71
72/* Bilinear sampling, samples near edge blend into transparency. */
73
74[[nodiscard]] inline uchar4 interpolate_bilinear_border_byte(const ImBuf *in, float u, float v)
75{
76 return math::interpolate_bilinear_border_byte(in->byte_buffer.data, in->x, in->y, u, v);
77}
78[[nodiscard]] inline float4 interpolate_bilinear_border_fl(const ImBuf *in, float u, float v)
79{
80 return math::interpolate_bilinear_border_fl(in->float_buffer.data, in->x, in->y, u, v);
81}
82inline void interpolate_bilinear_border_byte(const ImBuf *in, uchar output[4], float u, float v)
83{
84 uchar4 col = math::interpolate_bilinear_border_byte(in->byte_buffer.data, in->x, in->y, u, v);
85 memcpy(output, &col, sizeof(col));
86}
87inline void interpolate_bilinear_border_fl(const ImBuf *in, float output[4], float u, float v)
88{
89 float4 col = math::interpolate_bilinear_border_fl(in->float_buffer.data, in->x, in->y, u, v);
90 memcpy(output, &col, sizeof(col));
91}
92
93/* Bilinear sampling with UV wrapping. */
94
95[[nodiscard]] inline uchar4 interpolate_bilinear_wrap_byte(const ImBuf *in, float u, float v)
96{
97 return math::interpolate_bilinear_wrap_byte(in->byte_buffer.data, in->x, in->y, u, v);
98}
99[[nodiscard]] inline float4 interpolate_bilinear_wrap_fl(const ImBuf *in, float u, float v)
100{
101 return math::interpolate_bilinear_wrap_fl(in->float_buffer.data, in->x, in->y, u, v);
102}
103
104/* Cubic B-Spline sampling. */
105
106[[nodiscard]] inline uchar4 interpolate_cubic_bspline_byte(const ImBuf *in, float u, float v)
107{
108 return math::interpolate_cubic_bspline_byte(in->byte_buffer.data, in->x, in->y, u, v);
109}
110[[nodiscard]] inline float4 interpolate_cubic_bspline_fl(const ImBuf *in, float u, float v)
111{
112 return math::interpolate_cubic_bspline_fl(in->float_buffer.data, in->x, in->y, u, v);
113}
114inline void interpolate_cubic_bspline_byte(const ImBuf *in, uchar output[4], float u, float v)
115{
116 uchar4 col = math::interpolate_cubic_bspline_byte(in->byte_buffer.data, in->x, in->y, u, v);
117 memcpy(output, &col, sizeof(col));
118}
119inline void interpolate_cubic_bspline_fl(const ImBuf *in, float output[4], float u, float v)
120{
121 float4 col = math::interpolate_cubic_bspline_fl(in->float_buffer.data, in->x, in->y, u, v);
122 memcpy(output, &col, sizeof(col));
123}
124
125/* Cubic Mitchell sampling. */
126
127[[nodiscard]] inline uchar4 interpolate_cubic_mitchell_byte(const ImBuf *in, float u, float v)
128{
129 return math::interpolate_cubic_mitchell_byte(in->byte_buffer.data, in->x, in->y, u, v);
130}
131inline void interpolate_cubic_mitchell_byte(const ImBuf *in, uchar output[4], float u, float v)
132{
133 uchar4 col = math::interpolate_cubic_mitchell_byte(in->byte_buffer.data, in->x, in->y, u, v);
134 memcpy(output, &col, sizeof(col));
135}
136
137} // namespace blender::imbuf
138
142void IMB_sampleImageAtLocation(
143 ImBuf *ibuf, float x, float y, bool make_linear_rgb, float color[4]);
BLI_math_interp.hh
uchar
unsigned char uchar
Definition BLI_sys_types.h:71
IMB_imbuf_types.hh
Contains defines and structs used throughout the imbuf module.
IMB_sampleImageAtLocation
void IMB_sampleImageAtLocation(ImBuf *ibuf, float x, float y, bool make_linear_rgb, float color[4])
Definition interp.cc:13
v
ATTR_WARN_UNUSED_RESULT const BMVert * v
Definition bmesh_query_inline.hh:17
col
uint col
Definition gpu_batch_presets.cc:56
blender::imbuf::interpolate_nearest_border_fl
float4 interpolate_nearest_border_fl(const ImBuf *in, float u, float v)
Definition IMB_interp.hh:27
blender::imbuf::interpolate_bilinear_fl
float4 interpolate_bilinear_fl(const ImBuf *in, float u, float v)
Definition IMB_interp.hh:57
blender::imbuf::interpolate_nearest_wrap_byte
uchar4 interpolate_nearest_wrap_byte(const ImBuf *in, float u, float v)
Definition IMB_interp.hh:42
blender::imbuf::interpolate_bilinear_wrap_byte
uchar4 interpolate_bilinear_wrap_byte(const ImBuf *in, float u, float v)
Definition IMB_interp.hh:95
blender::imbuf::interpolate_nearest_border_byte
uchar4 interpolate_nearest_border_byte(const ImBuf *in, float u, float v)
Definition IMB_interp.hh:23
blender::imbuf::interpolate_bilinear_byte
uchar4 interpolate_bilinear_byte(const ImBuf *in, float u, float v)
Definition IMB_interp.hh:53
blender::imbuf::interpolate_cubic_mitchell_byte
uchar4 interpolate_cubic_mitchell_byte(const ImBuf *in, float u, float v)
Definition IMB_interp.hh:127
blender::imbuf::interpolate_cubic_bspline_byte
uchar4 interpolate_cubic_bspline_byte(const ImBuf *in, float u, float v)
Definition IMB_interp.hh:106
blender::imbuf::interpolate_nearest_wrap_fl
float4 interpolate_nearest_wrap_fl(const ImBuf *in, float u, float v)
Definition IMB_interp.hh:46
blender::imbuf::interpolate_cubic_bspline_fl
float4 interpolate_cubic_bspline_fl(const ImBuf *in, float u, float v)
Definition IMB_interp.hh:110
blender::imbuf::interpolate_bilinear_border_byte
uchar4 interpolate_bilinear_border_byte(const ImBuf *in, float u, float v)
Definition IMB_interp.hh:74
blender::imbuf::interpolate_bilinear_wrap_fl
float4 interpolate_bilinear_wrap_fl(const ImBuf *in, float u, float v)
Definition IMB_interp.hh:99
blender::imbuf::interpolate_bilinear_border_fl
float4 interpolate_bilinear_border_fl(const ImBuf *in, float u, float v)
Definition IMB_interp.hh:78
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_nearest_wrap_fl
void interpolate_nearest_wrap_fl(const float *buffer, float *output, int width, int height, int components, float u, float v)
Definition BLI_math_interp.hh:175
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::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_nearest_wrap_byte
void interpolate_nearest_wrap_byte(const uchar *buffer, uchar *output, int width, int height, float u, float v)
Definition BLI_math_interp.hh:150
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
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