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
11
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]);
x
x
Definition BLI_expr_pylike_eval_test.cc:345
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
color
Group Output data from inside of a node group A color picker Mix two input colors RGB to Convert a color s luminance to a grayscale value Generate a normal vector and a dot product Brightness Control the brightness and contrast of the input color Vector Map input vector components with curves Camera Retrieve information about the camera and how it relates to the current shading point s position Clamp a value between a minimum and a maximum Vector Perform vector math operation Invert Invert a color
Definition NOD_static_types.h:46
v
ATTR_WARN_UNUSED_RESULT const BMVert * v
Definition bmesh_query_inline.hh:17
output
#define output
y
y
Definition compositor_morphological_blur_info.hh:15
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
blender::uchar4
blender::VecBase< uint8_t, 4 > uchar4
Definition BLI_math_vector_types.hh:592
blender::float4
VecBase< float, 4 > float4
Definition BLI_math_vector_types.hh:613
ImBuf::float_buffer
ImBufFloatBuffer float_buffer
Definition IMB_imbuf_types.hh:218
ImBuf::byte_buffer
ImBufByteBuffer byte_buffer
Definition IMB_imbuf_types.hh:209
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