inochi2d.core.nodes.common source code

1 /*
2     Inochi2D Common Data
3 
4     Copyright © 2020, Inochi2D Project
5     Distributed under the 2-Clause BSD License, see LICENSE file.
6     
7     Authors: Luna Nielsen
8 */
9 module inochi2d.core.nodes.common;
10 import bindbc.opengl;
11 import inochi2d.fmt.serialize;
12 
13 /**
14     Blending modes
15 */
16 enum BlendMode {
17     // Normal blending mode
18     Normal,
19 
20     // Multiply blending mode
21     Multiply,
22     
23     // Color Dodge
24     ColorDodge,
25 
26     // Linear Dodge
27     LinearDodge,
28 
29     // Screen
30     Screen,
31 
32     // Clip to Lower
33     // Special blending mode that clips the drawable
34     // to a lower rendered area.
35     ClipToLower,
36 
37     // Slice from Lower
38     // Special blending mode that slices the drawable
39     // via a lower rendered area.
40     // Basically inverse ClipToLower
41     SliceFromLower
42 }
43 
44 void inSetBlendMode(BlendMode blendingMode) {
45     switch(blendingMode) {
46         case BlendMode.Normal: 
47             glBlendEquation(GL_FUNC_ADD);
48             glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA); break;
49         case BlendMode.Multiply: 
50             glBlendEquation(GL_FUNC_ADD);
51             glBlendFunc(GL_DST_COLOR, GL_ONE_MINUS_SRC_ALPHA); break;
52         case BlendMode.ColorDodge:
53             glBlendEquation(GL_FUNC_ADD);
54             glBlendFunc(GL_DST_COLOR, GL_ONE); break;
55         case BlendMode.LinearDodge:
56             glBlendEquation(GL_FUNC_ADD);
57             glBlendFunc(GL_ONE, GL_ONE); break;
58         case BlendMode.Screen:
59             glBlendEquation(GL_FUNC_ADD);
60             glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_COLOR); break;
61         case BlendMode.ClipToLower:
62             glBlendEquation(GL_FUNC_ADD);
63             glBlendFunc(GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA); break;
64         case BlendMode.SliceFromLower:
65             glBlendEquation(GL_FUNC_SUBTRACT);
66             glBlendFunc(GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA); break;
67         default: assert(0);
68     }
69 }
70 
71 /**
72     Masking mode
73 */
74 enum MaskingMode {
75 
76     /**
77         The part should be masked by the drawables specified
78     */
79     Mask,
80 
81     /**
82         The path should be dodge masked by the drawables specified
83     */
84     DodgeMask
85 }
86 
87 /**
88     A binding between a mask and a mode
89 */
90 struct MaskBinding {
91 public:
92     import inochi2d.core.nodes.drawable : Drawable;
93     @Name("source")
94     uint maskSrcUUID;
95 
96     @Name("mode")
97     MaskingMode mode;
98     
99     @Ignore
100     Drawable maskSrc;
101 }