1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2006 Blender Foundation. All rights reserved. */
/** \file
* \ingroup cmpnodes
*/
#include "RNA_access.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "node_composite_util.hh"
/* ******************* Color Balance ********************************* */
/* Sync functions update formula parameters for other modes, such that the result is comparable.
* Note that the results are not exactly the same due to differences in color handling
* (sRGB conversion happens for LGG),
* but this keeps settings comparable. */
void ntreeCompositColorBalanceSyncFromLGG(bNodeTree *UNUSED(ntree), bNode *node)
{
NodeColorBalance *n = (NodeColorBalance *)node->storage;
for (int c = 0; c < 3; c++) {
n->slope[c] = (2.0f - n->lift[c]) * n->gain[c];
n->offset[c] = (n->lift[c] - 1.0f) * n->gain[c];
n->power[c] = (n->gamma[c] != 0.0f) ? 1.0f / n->gamma[c] : 1000000.0f;
}
}
void ntreeCompositColorBalanceSyncFromCDL(bNodeTree *UNUSED(ntree), bNode *node)
{
NodeColorBalance *n = (NodeColorBalance *)node->storage;
for (int c = 0; c < 3; c++) {
float d = n->slope[c] + n->offset[c];
n->lift[c] = (d != 0.0f ? n->slope[c] + 2.0f * n->offset[c] / d : 0.0f);
n->gain[c] = d;
n->gamma[c] = (n->power[c] != 0.0f) ? 1.0f / n->power[c] : 1000000.0f;
}
}
namespace blender::nodes::node_composite_colorbalance_cc {
static void cmp_node_colorbalance_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Float>(N_("Fac")).default_value(1.0f).min(0.0f).max(1.0f).subtype(PROP_FACTOR);
b.add_input<decl::Color>(N_("Image")).default_value({1.0f, 1.0f, 1.0f, 1.0f});
b.add_output<decl::Color>(N_("Image"));
}
static void node_composit_init_colorbalance(bNodeTree *UNUSED(ntree), bNode *node)
{
NodeColorBalance *n = MEM_cnew<NodeColorBalance>(__func__);
n->lift[0] = n->lift[1] = n->lift[2] = 1.0f;
n->gamma[0] = n->gamma[1] = n->gamma[2] = 1.0f;
n->gain[0] = n->gain[1] = n->gain[2] = 1.0f;
n->slope[0] = n->slope[1] = n->slope[2] = 1.0f;
n->offset[0] = n->offset[1] = n->offset[2] = 0.0f;
n->power[0] = n->power[1] = n->power[2] = 1.0f;
node->storage = n;
}
static void node_composit_buts_colorbalance(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
{
uiLayout *split, *col, *row;
uiItemR(layout, ptr, "correction_method", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
if (RNA_enum_get(ptr, "correction_method") == 0) {
split = uiLayoutSplit(layout, 0.0f, false);
col = uiLayoutColumn(split, false);
uiTemplateColorPicker(col, ptr, "lift", true, true, false, true);
row = uiLayoutRow(col, false);
uiItemR(row, ptr, "lift", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
col = uiLayoutColumn(split, false);
uiTemplateColorPicker(col, ptr, "gamma", true, true, true, true);
row = uiLayoutRow(col, false);
uiItemR(row, ptr, "gamma", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
col = uiLayoutColumn(split, false);
uiTemplateColorPicker(col, ptr, "gain", true, true, true, true);
row = uiLayoutRow(col, false);
uiItemR(row, ptr, "gain", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
}
else {
split = uiLayoutSplit(layout, 0.0f, false);
col = uiLayoutColumn(split, false);
uiTemplateColorPicker(col, ptr, "offset", true, true, false, true);
row = uiLayoutRow(col, false);
uiItemR(row, ptr, "offset", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
uiItemR(col, ptr, "offset_basis", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
col = uiLayoutColumn(split, false);
uiTemplateColorPicker(col, ptr, "power", true, true, false, true);
row = uiLayoutRow(col, false);
uiItemR(row, ptr, "power", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
col = uiLayoutColumn(split, false);
uiTemplateColorPicker(col, ptr, "slope", true, true, false, true);
row = uiLayoutRow(col, false);
uiItemR(row, ptr, "slope", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
}
}
static void node_composit_buts_colorbalance_ex(uiLayout *layout,
bContext *UNUSED(C),
PointerRNA *ptr)
{
uiItemR(layout, ptr, "correction_method", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
if (RNA_enum_get(ptr, "correction_method") == 0) {
uiTemplateColorPicker(layout, ptr, "lift", true, true, false, true);
uiItemR(layout, ptr, "lift", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
uiTemplateColorPicker(layout, ptr, "gamma", true, true, true, true);
uiItemR(layout, ptr, "gamma", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
uiTemplateColorPicker(layout, ptr, "gain", true, true, true, true);
uiItemR(layout, ptr, "gain", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
}
else {
uiTemplateColorPicker(layout, ptr, "offset", true, true, false, true);
uiItemR(layout, ptr, "offset", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
uiTemplateColorPicker(layout, ptr, "power", true, true, false, true);
uiItemR(layout, ptr, "power", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
uiTemplateColorPicker(layout, ptr, "slope", true, true, false, true);
uiItemR(layout, ptr, "slope", UI_ITEM_R_SPLIT_EMPTY_NAME, nullptr, ICON_NONE);
}
}
} // namespace blender::nodes::node_composite_colorbalance_cc
void register_node_type_cmp_colorbalance()
{
namespace file_ns = blender::nodes::node_composite_colorbalance_cc;
static bNodeType ntype;
cmp_node_type_base(&ntype, CMP_NODE_COLORBALANCE, "Color Balance", NODE_CLASS_OP_COLOR);
ntype.declare = file_ns::cmp_node_colorbalance_declare;
ntype.draw_buttons = file_ns::node_composit_buts_colorbalance;
ntype.draw_buttons_ex = file_ns::node_composit_buts_colorbalance_ex;
node_type_size(&ntype, 400, 200, 400);
node_type_init(&ntype, file_ns::node_composit_init_colorbalance);
node_type_storage(
&ntype, "NodeColorBalance", node_free_standard_storage, node_copy_standard_storage);
nodeRegisterType(&ntype);
}
|
