Line data Source code
1 : /*
2 : +----------------------------------------------------------------------+
3 : | For PHP Version 8.2+ |
4 : +----------------------------------------------------------------------+
5 : | Copyright (c) The PHP Group |
6 : +----------------------------------------------------------------------+
7 : | This source file is subject to version 3.01 of the PHP license, |
8 : | that is bundled with this package in the file LICENSE, and is |
9 : | available through the world-wide-web at the following url: |
10 : | http://www.php.net/license/3_01.txt |
11 : | If you did not receive a copy of the PHP license and are unable to |
12 : | obtain it through the world-wide-web, please send a note to |
13 : | license@php.net so we can mail you a copy immediately. |
14 : +----------------------------------------------------------------------+
15 : | Authors: Michael Maclean <mgdm@php.net> |
16 : | Marcel Bolten <github@marcelbolten.de> |
17 : +----------------------------------------------------------------------+
18 : */
19 :
20 : #ifdef HAVE_CONFIG_H
21 : #include "config.h"
22 : #endif
23 :
24 : #include "php.h"
25 : #include "php_pango.h"
26 : #include "pango_cairo_context_arginfo.h"
27 :
28 : zend_class_entry *pango_ce_pango_cairo_context;
29 :
30 0 : PHP_PANGO_API zend_class_entry* php_pango_cairo_get_context_ce() {
31 0 : return pango_ce_pango_cairo_context;
32 : }
33 :
34 : static zend_object_handlers pango_cairo_context_object_handlers;
35 :
36 0 : pango_context_object *pango_cairo_context_fetch_object(zend_object *object)
37 : {
38 0 : return (pango_context_object *) ((char*)(object) - XtOffsetOf(pango_context_object, std));
39 : }
40 :
41 : /* {{{ Creates a context object set up to match the current transformation and target surface of the Cairo context. */
42 11 : PHP_METHOD(PangoCairo_Context, __construct)
43 : {
44 : pango_context_object *context_object;
45 : zval *cairo_context_zv;
46 : cairo_context_object *cairo_context_object;
47 : pango_font_map_object *font_map_object;
48 :
49 11 : ZEND_PARSE_PARAMETERS_START(1, 1)
50 18 : Z_PARAM_OBJECT_OF_CLASS(cairo_context_zv, php_cairo_get_context_ce())
51 11 : ZEND_PARSE_PARAMETERS_END();
52 :
53 8 : cairo_context_object = Z_CAIRO_CONTEXT_P(cairo_context_zv);
54 :
55 16 : context_object = Z_PANGO_CONTEXT_P(getThis());
56 8 : context_object->context = pango_cairo_create_context(cairo_context_object->context);
57 :
58 : // store the cairo context zv in the pango context object to keep a reference
59 8 : ZVAL_COPY(&context_object->cairo_context_zv, cairo_context_zv);
60 :
61 : // create and store the font map zv associated with the pango context
62 8 : object_init_ex(&context_object->font_map_zv, php_pango_cairo_get_font_map_ce());
63 8 : font_map_object = Z_PANGO_FONT_MAP_P(&context_object->font_map_zv);
64 8 : font_map_object->font_map = pango_context_get_font_map(context_object->context);
65 8 : font_map_object->is_default = true;
66 : }
67 : /* }}} */
68 :
69 : /* {{{ Gets the Cairo context associated with this Context. */
70 2 : PHP_METHOD(PangoCairo_Context, getCairoContext)
71 : {
72 : pango_context_object *context_object;
73 :
74 2 : ZEND_PARSE_PARAMETERS_NONE();
75 :
76 2 : context_object = Z_PANGO_CONTEXT_P(getThis());
77 :
78 2 : RETURN_COPY(&context_object->cairo_context_zv);
79 : }
80 : /* }}} */
81 :
82 : /* {{{ Gets the Cairo context associated with this Context. */
83 4 : PHP_METHOD(PangoCairo_Context, getFontOptions)
84 : {
85 : pango_context_object *context_object;
86 : const cairo_font_options_t* font_options;
87 : cairo_font_options_object *font_options_object;
88 :
89 4 : ZEND_PARSE_PARAMETERS_NONE();
90 :
91 6 : context_object = Z_PANGO_CONTEXT_P(getThis());
92 :
93 6 : if (Z_TYPE(context_object->font_options_zv) != IS_UNDEF) {
94 3 : RETURN_COPY(&context_object->font_options_zv);
95 : }
96 :
97 1 : font_options = pango_cairo_context_get_font_options(context_object->context);
98 :
99 1 : if (!font_options) {
100 0 : ZVAL_NULL(return_value);
101 : } else {
102 1 : object_init_ex(return_value, php_cairo_get_fontoptions_ce());
103 1 : font_options_object = Z_CAIRO_FONT_OPTIONS_P(return_value);
104 1 : font_options_object->font_options = cairo_font_options_copy(font_options);
105 : }
106 :
107 1 : ZVAL_COPY(&context_object->font_options_zv, return_value);
108 : }
109 : /* }}} */
110 :
111 : /* {{{ Sets the font options used when rendering text with this context. */
112 5 : PHP_METHOD(PangoCairo_Context, setFontOptions)
113 : {
114 : pango_context_object *context_object;
115 : zval *font_options_zv;
116 : cairo_font_options_object *font_options_object;
117 5 : const cairo_font_options_t *font_options = NULL;
118 :
119 5 : ZEND_PARSE_PARAMETERS_START(1, 1)
120 6 : Z_PARAM_OBJECT_OF_CLASS_OR_NULL(font_options_zv, php_cairo_get_fontoptions_ce())
121 5 : ZEND_PARSE_PARAMETERS_END();
122 :
123 4 : context_object = Z_PANGO_CONTEXT_P(getThis());
124 :
125 3 : if (font_options_zv && Z_TYPE_P(font_options_zv) != IS_NULL) {
126 1 : font_options_object = Z_CAIRO_FONT_OPTIONS_P(font_options_zv);
127 1 : font_options = font_options_object->font_options;
128 1 : zval_ptr_dtor(&context_object->font_options_zv);
129 2 : ZVAL_COPY(&context_object->font_options_zv, font_options_zv);
130 : } else {
131 1 : zval_ptr_dtor(&context_object->font_options_zv);
132 1 : ZVAL_NULL(&context_object->font_options_zv);
133 : }
134 :
135 2 : pango_cairo_context_set_font_options(context_object->context, font_options);
136 : }
137 : /* }}} */
138 :
139 : /* {{{ */
140 2 : PHP_METHOD(PangoCairo_Context, getResolution)
141 : {
142 : pango_context_object *context_object;
143 :
144 2 : ZEND_PARSE_PARAMETERS_NONE();
145 :
146 2 : context_object = Z_PANGO_CONTEXT_P(getThis());
147 :
148 1 : RETURN_DOUBLE(pango_cairo_context_get_resolution(context_object->context));
149 : }
150 : /* }}} */
151 :
152 : /* {{{ */
153 4 : PHP_METHOD(PangoCairo_Context, setResolution)
154 : {
155 : pango_context_object *context_object;
156 : double resolution;
157 :
158 4 : ZEND_PARSE_PARAMETERS_START(1, 1)
159 4 : Z_PARAM_DOUBLE(resolution)
160 4 : ZEND_PARSE_PARAMETERS_END();
161 :
162 2 : context_object = Z_PANGO_CONTEXT_P(getThis());
163 :
164 1 : pango_cairo_context_set_resolution(context_object->context, resolution);
165 : }
166 : /* }}} */
167 :
168 : /* {{{ Updates the Context previously created for use with Cairo
169 : to match the current transformation and target surface of the Cairo context used to create it. */
170 2 : PHP_METHOD(PangoCairo_Context, updateContext)
171 : {
172 : pango_context_object *pango_context_object;
173 : cairo_context_object *cairo_context_object;
174 : zval *cairo_context_zv;
175 :
176 2 : ZEND_PARSE_PARAMETERS_NONE();
177 :
178 2 : pango_context_object = Z_PANGO_CONTEXT_P(getThis());
179 1 : cairo_context_object = Z_CAIRO_CONTEXT_P(&pango_context_object->cairo_context_zv);
180 1 : pango_cairo_update_context(cairo_context_object->context, pango_context_object->context);
181 : }
182 : /* }}} */
183 :
184 :
185 : /* ----------------------------------------------------------------
186 : \Pango\Context Object management
187 : ------------------------------------------------------------------*/
188 :
189 : /* {{{ */
190 11 : static void pango_context_free_obj(zend_object *zobj)
191 : {
192 11 : pango_context_object *intern = pango_context_fetch_object(zobj);
193 :
194 11 : if (!intern) {
195 0 : return;
196 : }
197 :
198 11 : zval_ptr_dtor(&intern->font_map_zv);
199 11 : zval_ptr_dtor(&intern->font_options_zv);
200 11 : zval_ptr_dtor(&intern->font_description_zv);
201 11 : zval_ptr_dtor(&intern->cairo_context_zv);
202 :
203 11 : if (intern->context) {
204 8 : g_object_unref(intern->context);
205 : }
206 :
207 11 : zend_object_std_dtor(&intern->std);
208 : }
209 :
210 : /* {{{ */
211 11 : static zend_object* pango_context_obj_ctor(zend_class_entry *ce, pango_context_object **intern)
212 : {
213 11 : pango_context_object *object = ecalloc(1, sizeof(pango_context_object) + zend_object_properties_size(ce));
214 :
215 11 : object->context = NULL;
216 :
217 11 : ZVAL_UNDEF(&object->cairo_context_zv);
218 11 : ZVAL_UNDEF(&object->font_map_zv);
219 11 : ZVAL_UNDEF(&object->font_options_zv);
220 11 : ZVAL_UNDEF(&object->font_description_zv);
221 :
222 11 : zend_object_std_init(&object->std, ce);
223 :
224 11 : object->std.handlers = &pango_cairo_context_object_handlers;
225 11 : *intern = object;
226 :
227 11 : return &object->std;
228 : }
229 : /* }}} */
230 :
231 : /* {{{ */
232 11 : static zend_object* pango_context_create_object(zend_class_entry *ce)
233 : {
234 11 : pango_context_object *intern = NULL;
235 11 : zend_object *return_value = pango_context_obj_ctor(ce, &intern);
236 :
237 11 : object_properties_init(&intern->std, ce);
238 11 : return return_value;
239 : }
240 : /* }}} */
241 :
242 : /* {{{ PHP_MINIT_FUNCTION */
243 194 : PHP_MINIT_FUNCTION(pango_cairo_context)
244 : {
245 194 : memcpy(
246 : &pango_cairo_context_object_handlers,
247 : zend_get_std_object_handlers(),
248 : sizeof(zend_object_handlers)
249 : );
250 :
251 194 : pango_cairo_context_object_handlers.offset = XtOffsetOf(pango_context_object, std);
252 194 : pango_cairo_context_object_handlers.free_obj = pango_context_free_obj;
253 :
254 194 : pango_ce_pango_cairo_context = register_class_PangoCairo_Context(php_pango_get_context_ce());
255 194 : pango_ce_pango_cairo_context->create_object = pango_context_create_object;
256 :
257 194 : return SUCCESS;
258 : }
259 : /* }}} */
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