1 /***************************************************************************
2 * Copyright (c) 2024 Microsoft Corporation
3 *
4 * This program and the accompanying materials are made available under the
5 * terms of the MIT License which is available at
6 * https://opensource.org/licenses/MIT.
7 *
8 * SPDX-License-Identifier: MIT
9 **************************************************************************/
10
11
12 /**************************************************************************/
13 /**************************************************************************/
14 /** */
15 /** GUIX Component */
16 /** */
17 /** Canvas Management (Canvas) */
18 /** */
19 /**************************************************************************/
20
21 #define GX_SOURCE_CODE
22
23
24 /* Include necessary system files. */
25
26 #include "gx_api.h"
27 #include "gx_canvas.h"
28 #include "gx_system.h"
29 #include "gx_utility.h"
30
31 /* Bring in externs for caller checking code. */
32 GX_CALLER_CHECKING_EXTERNS
33
34 /**************************************************************************/
35 /* */
36 /* FUNCTION RELEASE */
37 /* */
38 /* _gxe_canvas_rotated_text_draw PORTABLE C */
39 /* 6.1 */
40 /* AUTHOR */
41 /* */
42 /* Kenneth Maxwell, Microsoft Corporation */
43 /* */
44 /* DESCRIPTION */
45 /* */
46 /* This function checks error in canvas rotated text draw function. */
47 /* */
48 /* INPUT */
49 /* */
50 /* text pointer to string */
51 /* xcenter center point for text drawing */
52 /* ycenter center point for text drawing */
53 /* angle angle at which to rotate text */
54 /* */
55 /* OUTPUT */
56 /* */
57 /* status Completion status */
58 /* */
59 /* CALLS */
60 /* */
61 /* _gx_canvas_rotated_text_draw The actual canvas rotated */
62 /* text draw function */
63 /* */
64 /* CALLED BY */
65 /* */
66 /* Application Code */
67 /* */
68 /* RELEASE HISTORY */
69 /* */
70 /* DATE NAME DESCRIPTION */
71 /* */
72 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
73 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
74 /* resulting in version 6.1 */
75 /* */
76 /**************************************************************************/
77 #if defined(GX_ENABLE_DEPRECATED_STRING_API)
_gxe_canvas_rotated_text_draw(GX_CONST GX_CHAR * text,GX_VALUE xcenter,GX_VALUE ycenter,INT angle)78 UINT _gxe_canvas_rotated_text_draw(GX_CONST GX_CHAR *text,
79 GX_VALUE xcenter,
80 GX_VALUE ycenter,
81 INT angle)
82 {
83 UINT status;
84
85 /* Check for invalid caller. */
86 GX_INIT_AND_THREADS_CALLER_CHECKING
87
88 /* Check for invalid pointer. */
89 if (text == GX_NULL)
90 {
91 return GX_PTR_ERROR;
92 }
93
94 if (!_gx_system_memory_allocator || !_gx_system_memory_free)
95 {
96 return GX_SYSTEM_MEMORY_ERROR;
97 }
98
99 status = _gx_canvas_rotated_text_draw(text, xcenter, ycenter, angle);
100
101 /* Return completion status code. */
102 return(status);
103 }
104 #endif
105
106 /**************************************************************************/
107 /* */
108 /* FUNCTION RELEASE */
109 /* */
110 /* _gxe_canvas_rotated_text_draw_ext PORTABLE C */
111 /* 6.1 */
112 /* AUTHOR */
113 /* */
114 /* Kenneth Maxwell, Microsoft Corporation */
115 /* */
116 /* DESCRIPTION */
117 /* */
118 /* This function checks error in canvas rotated text draw function. */
119 /* */
120 /* INPUT */
121 /* */
122 /* text pointer to string */
123 /* xcenter center point for text drawing */
124 /* ycenter center point for text drawing */
125 /* angle angle at which to rotate text */
126 /* */
127 /* OUTPUT */
128 /* */
129 /* status Completion status */
130 /* */
131 /* CALLS */
132 /* */
133 /* _gx_canvas_rotated_text_draw_ext The actual canvas rotated */
134 /* text draw function */
135 /* */
136 /* CALLED BY */
137 /* */
138 /* Application Code */
139 /* */
140 /* RELEASE HISTORY */
141 /* */
142 /* DATE NAME DESCRIPTION */
143 /* */
144 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
145 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
146 /* resulting in version 6.1 */
147 /* */
148 /**************************************************************************/
_gxe_canvas_rotated_text_draw_ext(GX_CONST GX_STRING * text,GX_VALUE xcenter,GX_VALUE ycenter,INT angle)149 UINT _gxe_canvas_rotated_text_draw_ext(GX_CONST GX_STRING *text, GX_VALUE xcenter, GX_VALUE ycenter, INT angle)
150 {
151 UINT status;
152 UINT text_length = 0;
153
154 /* Check for invalid caller. */
155 GX_INIT_AND_THREADS_CALLER_CHECKING
156
157 /* Check for invalid pointer. */
158 if ((text == GX_NULL) || (text -> gx_string_ptr == GX_NULL))
159 {
160 return GX_PTR_ERROR;
161 }
162
163 if (_gx_system_current_draw_context == GX_NULL)
164 {
165 return GX_INVALID_CONTEXT;
166 }
167
168 if (!_gx_system_memory_allocator || !_gx_system_memory_free)
169 {
170 return GX_SYSTEM_MEMORY_ERROR;
171 }
172
173 status = _gx_utility_string_length_check(text -> gx_string_ptr, &text_length, text -> gx_string_length);
174
175 if (status != GX_SUCCESS)
176 {
177 return status;
178 }
179
180 if (text_length != text -> gx_string_length)
181 {
182 return GX_INVALID_STRING_LENGTH;
183 }
184
185 status = _gx_canvas_rotated_text_draw_ext(text, xcenter, ycenter, angle);
186
187 /* Return completion status code. */
188 return(status);
189 }
190
191
