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
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
/* This file is part of MyPaint.
* Copyright (C) 2008-2011 by Martin Renold <martinxyz@gmx.ch>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include "surface.hpp"
#include <mypaint-tiled-surface.h>
#include <Python.h>
#include <cstdio>
#include <vector>
// Implementation of tiled surface backend
#include "pythontiledsurface.cpp"
#define BBOXES 50
enum SymmetryType
{
SymmetryVertical,
SymmetryHorizontal,
SymmetryVertHorz,
SymmetryRotational,
SymmetrySnowflake,
NumSymmetryTypes
};
static const int TILE_SIZE = MYPAINT_TILE_SIZE;
static const int MAX_MIPMAP_LEVEL = MYPAINT_MAX_MIPMAP_LEVEL;
// Interface class, wrapping the backend the way MyPaint wants to use it
class TiledSurface : public Surface {
// the Python half of this class is in tiledsurface.py
public:
TiledSurface(PyObject * self_) {
c_surface = mypaint_python_tiled_surface_new(self_);
tile_request_in_progress = false;
}
~TiledSurface() {
mypaint_surface_unref((MyPaintSurface *)c_surface);
}
void set_symmetry_state(bool active,
float center_x, float center_y,
enum SymmetryType symmetry_type, int rot_symmetry_lines) {
float symmetry_angle = 0.0;
mypaint_tiled_surface2_set_symmetry_state((MyPaintTiledSurface2 *)c_surface, active,
center_x, center_y,
symmetry_angle,
(MyPaintSymmetryType)symmetry_type, rot_symmetry_lines);
}
void begin_atomic() {
mypaint_surface_begin_atomic((MyPaintSurface *)c_surface);
}
std::vector<std::vector<int>> end_atomic() {
MyPaintRectangle* rects = this->bbox_rectangles;
MyPaintRectangles bboxes = {BBOXES, rects};
Py_BEGIN_ALLOW_THREADS
mypaint_surface2_end_atomic((MyPaintSurface2 *)c_surface, &bboxes);
Py_END_ALLOW_THREADS
// The capacity of the bounding box array will most often exceed the number
// of rectangles that are actually used. The call to mypaint_surface_end_atomic
// sets the num_rectangles field to N to indicate that the first N rectangles
// were modified during the call.
std::vector<std::vector<int>> out_bboxes = std::vector<std::vector<int>>(bboxes.num_rectangles);
for(int i = 0; i < bboxes.num_rectangles; ++i) {
out_bboxes[i] = {rects[i].x, rects[i].y, rects[i].width, rects[i].height};
}
return out_bboxes;
}
// returns true if the surface was modified
// Note: Used only in test_mypaintlib.py
bool draw_dab (float x, float y,
float radius,
float color_r, float color_g, float color_b,
float opaque, float hardness = 0.5,
float color_a = 1.0,
float aspect_ratio = 1.0, float angle = 0.0,
float lock_alpha = 0.0,
float colorize = 0.0,
float posterize = 0.0,
float posterize_num = 0.0,
float paint = 1.0
) {
return mypaint_surface2_draw_dab((MyPaintSurface2 *)c_surface, x, y, radius, color_r, color_g, color_b,
opaque, hardness, color_a, aspect_ratio, angle,
lock_alpha, colorize, posterize, posterize_num, paint);
}
std::vector<double> get_color (double x, double y, double radius) {
std::vector<double> rgba = std::vector<double>(4, 0.0);
float r,g,b,a,paint;
paint = 1.0;
mypaint_surface2_get_color((MyPaintSurface2 *)c_surface, x, y, radius,
&r, &g, &b, &a, paint);
rgba[0] = r; rgba[1] = g; rgba[2] = b; rgba[3] = a;
return rgba;
}
float get_alpha (float x, float y, float radius) {
return mypaint_surface_get_alpha((MyPaintSurface *)c_surface, x, y, radius);
}
MyPaintSurface *get_surface_interface() {
return (MyPaintSurface*)c_surface;
}
MyPaintSurface2 *get_surface2_interface() {
return (MyPaintSurface2*)c_surface;
}
private:
MyPaintRectangle bbox_rectangles[BBOXES];
MyPaintPythonTiledSurface *c_surface;
MyPaintTileRequest tile_request;
bool tile_request_in_progress;
};
static PyObject *
get_module(char *name)
{
PyObject *pName = PyString_FromString(name);
PyObject *pModule = PyImport_Import(pName);
Py_DECREF(pName);
if (pModule != NULL) {
}
else {
PyErr_Print();
fprintf(stderr, "Failed to load \"%s\"\n", name);
return NULL;
}
return pModule;
}
static PyObject *
new_py_tiled_surface(PyObject *pModule)
{
PyObject *pFunc = PyObject_GetAttrString(pModule, "_new_backend_surface");
assert(pFunc && PyCallable_Check(pFunc));
PyObject *pArgs = PyTuple_New(0);
PyObject *pValue = PyObject_CallObject(pFunc, pArgs);
Py_DECREF(pArgs);
return pValue;
}
extern "C" {
MyPaintSurface *
mypaint_python_surface_factory(gpointer user_data)
{
PyObject *module = get_module((char*)"lib.tiledsurface");
PyObject *instance = new_py_tiled_surface(module);
assert(instance != NULL);
// Py_DECREF(module);
static const char *type_str = "TiledSurface *";
swig_type_info *info = SWIG_TypeQuery(type_str);
if (! info) {
fprintf(stderr, "SWIG_TypeQuery failed to look up '%s'", type_str);
return NULL;
}
TiledSurface *surf;
if (SWIG_ConvertPtr(instance, (void **)&surf, info, SWIG_POINTER_EXCEPTION) == -1) {
fprintf(stderr, "SWIG_ConvertPtr failed\n");
return NULL;
}
MyPaintSurface *interface = surf->get_surface_interface();
// Py_DECREF(instance);
return interface;
}
} // extern "C"
|
