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1 : : /*
2 : : * Copyright (C) 2021 James Westman <james@jwestman.net>
3 : : *
4 : : * This library is free software; you can redistribute it and/or
5 : : * modify it under the terms of the GNU Lesser General Public
6 : : * License as published by the Free Software Foundation; either
7 : : * version 2.1 of the License, or (at your option) any later version.
8 : : *
9 : : * This library is distributed in the hope that it will be useful,
10 : : * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 : : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 : : * Lesser General Public License for more details.
13 : : *
14 : : * You should have received a copy of the GNU Lesser General Public
15 : : * License along with this library; if not, see <https://www.gnu.org/licenses/>.
16 : : */
17 : :
18 : : #pragma once
19 : :
20 : : #include <json-glib/json-glib.h>
21 : : #include "shumate-vector-render-scope-private.h"
22 : : #include "shumate-vector-symbol-info-private.h"
23 : : #include "shumate-vector-value-private.h"
24 : : #include "shumate-vector-index-private.h"
25 : :
26 : : G_BEGIN_DECLS
27 : :
28 : : typedef struct _ShumateVectorExpressionContext ShumateVectorExpressionContext;
29 : : struct _ShumateVectorExpressionContext {
30 : : ShumateVectorExpressionContext *parent;
31 : : GHashTable *variables;
32 : : };
33 : :
34 : : void shumate_vector_expression_context_clear (ShumateVectorExpressionContext *ctx);
35 : :
36 : 9 : G_DEFINE_AUTO_CLEANUP_CLEAR_FUNC (ShumateVectorExpressionContext, shumate_vector_expression_context_clear)
37 : :
38 : : #define SHUMATE_TYPE_VECTOR_EXPRESSION (shumate_vector_expression_get_type())
39 [ + - + - : 8316 : G_DECLARE_DERIVABLE_TYPE (ShumateVectorExpression, shumate_vector_expression, SHUMATE, VECTOR_EXPRESSION, GObject)
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40 : :
41 : : struct _ShumateVectorExpressionClass
42 : : {
43 : : GObjectClass parent_class;
44 : :
45 : : gboolean (*eval) (ShumateVectorExpression *self,
46 : : ShumateVectorRenderScope *scope,
47 : : ShumateVectorValue *out);
48 : :
49 : : ShumateVectorIndexBitset *(*eval_bitset) (ShumateVectorExpression *self,
50 : : ShumateVectorRenderScope *scope,
51 : : ShumateVectorIndexBitset *mask);
52 : :
53 : : void (*collect_indexes) (ShumateVectorExpression *self,
54 : : const char *layer_name,
55 : : ShumateVectorIndexDescription *index_description);
56 : : };
57 : :
58 : : ShumateVectorExpression *shumate_vector_expression_from_json (JsonNode *json,
59 : : GError **error);
60 : : ShumateVectorExpression *shumate_vector_expression_filter_from_format (const char *format,
61 : : GError **error);
62 : :
63 : : gboolean shumate_vector_expression_eval (ShumateVectorExpression *self,
64 : : ShumateVectorRenderScope *scope,
65 : : ShumateVectorValue *out);
66 : :
67 : : ShumateVectorIndexBitset *shumate_vector_expression_eval_bitset (ShumateVectorExpression *self,
68 : : ShumateVectorRenderScope *scope,
69 : : ShumateVectorIndexBitset *mask);
70 : :
71 : : void shumate_vector_expression_collect_indexes (ShumateVectorExpression *self,
72 : : const char *layer_name,
73 : : ShumateVectorIndexDescription *index_description);
74 : :
75 : : double shumate_vector_expression_eval_number (ShumateVectorExpression *self,
76 : : ShumateVectorRenderScope *scope,
77 : : double default_val);
78 : :
79 : : gboolean shumate_vector_expression_eval_boolean (ShumateVectorExpression *self,
80 : : ShumateVectorRenderScope *scope,
81 : : gboolean default_val);
82 : :
83 : :
84 : : char *shumate_vector_expression_eval_string (ShumateVectorExpression *self,
85 : : ShumateVectorRenderScope *scope,
86 : : const char *default_val);
87 : :
88 : :
89 : : void shumate_vector_expression_eval_color (ShumateVectorExpression *self,
90 : : ShumateVectorRenderScope *scope,
91 : : GdkRGBA *color);
92 : :
93 : : ShumateVectorSprite *shumate_vector_expression_eval_image (ShumateVectorExpression *self,
94 : : ShumateVectorRenderScope *scope);
95 : :
96 : : ShumateVectorAlignment shumate_vector_expression_eval_alignment (ShumateVectorExpression *self,
97 : : ShumateVectorRenderScope *scope);
98 : : ShumateVectorPlacement shumate_vector_expression_eval_placement (ShumateVectorExpression *self,
99 : : ShumateVectorRenderScope *scope);
100 : :
101 : : ShumateVectorAnchor shumate_vector_expression_eval_anchor (ShumateVectorExpression *self,
102 : : ShumateVectorRenderScope *scope);
103 : :
104 : : ShumateVectorOverlap shumate_vector_expression_eval_overlap (ShumateVectorExpression *self,
105 : : ShumateVectorExpression *allow_overlap,
106 : : ShumateVectorRenderScope *scope);
107 : :
108 : : G_END_DECLS
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