libmypaint  1.6.0
mypaint-mapping.h
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1 #ifndef MAPPING_H
2 #define MAPPING_H
3 
4 #include "mypaint-config.h"
5 #include "mypaint-glib-compat.h"
6 
8 
18 typedef struct MyPaintMapping MyPaintMapping;
19 
25 MyPaintMapping * mypaint_mapping_new(int inputs_);
26 
33 
40 
46 void mypaint_mapping_set_base_value(MyPaintMapping *self, float value);
47 
53 void mypaint_mapping_set_n (MyPaintMapping * self, int input, int n);
54 
60 int mypaint_mapping_get_n (MyPaintMapping * self, int input);
61 
67 void mypaint_mapping_set_point (MyPaintMapping * self, int input, int index, float x, float y);
68 
74 void mypaint_mapping_get_point (MyPaintMapping * self, int input, int index, float *x, float *y);
75 
84 
91 
97 float mypaint_mapping_calculate (MyPaintMapping * self, float * data);
98 
104 float mypaint_mapping_calculate_single_input (MyPaintMapping * self, float input);
105 
106 
108 
109 #endif // MAPPING_H
MyPaintMapping::mypaint_mapping_calculate_single_input
float mypaint_mapping_calculate_single_input(MyPaintMapping *self, float input)
Calculate the output for a single-input mapping.
gboolean
gint gboolean
Definition: mypaint-glib-compat.h:25
mypaint-glib-compat.h
MyPaintMapping::mypaint_mapping_get_inputs_used_n
int mypaint_mapping_get_inputs_used_n(MyPaintMapping *self)
Get the number of inputs that have control points.
mypaint-config.h
MyPaintMapping::mypaint_mapping_new
MyPaintMapping * mypaint_mapping_new(int inputs_)
Create new mappings for a set number of inputs.
MyPaintMapping::mypaint_mapping_set_point
void mypaint_mapping_set_point(MyPaintMapping *self, int input, int index, float x, float y)
Set the x, y coordinates for a control point.
MyPaintMapping::mypaint_mapping_get_point
void mypaint_mapping_get_point(MyPaintMapping *self, int input, int index, float *x, float *y)
Get the x, y coordinates for a control point.
MyPaintMapping::mypaint_mapping_calculate
float mypaint_mapping_calculate(MyPaintMapping *self, float *data)
Calculate the output of the mapping, given an input value for each mapping.
MyPaintMapping::mypaint_mapping_is_constant
gboolean mypaint_mapping_is_constant(MyPaintMapping *self)
Returns TRUE if none of the mappings are used.
G_END_DECLS
#define G_END_DECLS
Definition: mypaint-glib-compat.h:14
MyPaintMapping::mypaint_mapping_free
void mypaint_mapping_free(MyPaintMapping *self)
Free an instance of MyPaintMapping.
MyPaintMapping::mypaint_mapping_get_base_value
float mypaint_mapping_get_base_value(MyPaintMapping *self)
Get the base value of the mappings.
G_BEGIN_DECLS
#define G_BEGIN_DECLS
Definition: mypaint-glib-compat.h:13
MyPaintMapping
A sequence of piecewise linear functions.
MyPaintMapping::mypaint_mapping_get_n
int mypaint_mapping_get_n(MyPaintMapping *self, int input)
Get the number of control points used for the input.
MyPaintMapping::mypaint_mapping_set_n
void mypaint_mapping_set_n(MyPaintMapping *self, int input, int n)
Set the number of control points used for the input.
MyPaintMapping::mypaint_mapping_set_base_value
void mypaint_mapping_set_base_value(MyPaintMapping *self, float value)
Set the base value of the mappings.