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_system.h" 28 #include "gx_utility.h" 29 #include "gx_canvas.h" 30 #include "gx_port.h" 31 32 /* Bring in externs for caller checking code. */ 33 GX_CALLER_CHECKING_EXTERNS 34 35 36 /**************************************************************************/ 37 /* */ 38 /* FUNCTION RELEASE */ 39 /* */ 40 /* _gxe_canvas_offset_set PORTABLE C */ 41 /* 6.1 */ 42 /* AUTHOR */ 43 /* */ 44 /* Kenneth Maxwell, Microsoft Corporation */ 45 /* */ 46 /* DESCRIPTION */ 47 /* */ 48 /* This function checks for errors in the canvas offset set function */ 49 /* call. */ 50 /* */ 51 /* INPUT */ 52 /* */ 53 /* canvas Canvas control block */ 54 /* x X coordinate of offset */ 55 /* y Y coordinate of offset */ 56 /* */ 57 /* OUTPUT */ 58 /* */ 59 /* status Completion status */ 60 /* */ 61 /* CALLS */ 62 /* */ 63 /* _gx_canvas_offset_set Actual canvas offset set call */ 64 /* */ 65 /* CALLED BY */ 66 /* */ 67 /* Application Code */ 68 /* */ 69 /* RELEASE HISTORY */ 70 /* */ 71 /* DATE NAME DESCRIPTION */ 72 /* */ 73 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ 74 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */ 75 /* resulting in version 6.1 */ 76 /* */ 77 /**************************************************************************/ _gxe_canvas_offset_set(GX_CANVAS * canvas,GX_VALUE x,GX_VALUE y)78UINT _gxe_canvas_offset_set(GX_CANVAS *canvas, GX_VALUE x, GX_VALUE y) 79 { 80 UINT status; 81 82 /* Check for appropriate caller. */ 83 GX_INIT_AND_THREADS_CALLER_CHECKING 84 85 /* Check for the invalid input pointers. */ 86 if ((canvas == GX_NULL) || 87 (canvas -> gx_canvas_display == GX_NULL) || 88 (canvas -> gx_canvas_memory == GX_NULL)) 89 { 90 return(GX_PTR_ERROR); 91 } 92 93 if (canvas -> gx_canvas_id != GX_CANVAS_ID) 94 { 95 return (GX_INVALID_CANVAS); 96 } 97 98 /* Call the actual canvas offset set function. */ 99 status = _gx_canvas_offset_set(canvas, x, y); 100 101 /* Return completion status. */ 102 return status; 103 } 104 105
