1 2 /*************************************************************************** 3 * Copyright (c) 2024 Microsoft Corporation 4 * 5 * This program and the accompanying materials are made available under the 6 * terms of the MIT License which is available at 7 * https://opensource.org/licenses/MIT. 8 * 9 * SPDX-License-Identifier: MIT 10 **************************************************************************/ 11 12 13 /**************************************************************************/ 14 /**************************************************************************/ 15 /** */ 16 /** GUIX Component */ 17 /** */ 18 /** Dispaly Management (Dispaly) */ 19 /** */ 20 /**************************************************************************/ 21 22 #define GX_SOURCE_CODE 23 24 25 /* Include necessary system files. */ 26 27 #include "gx_api.h" 28 #include "gx_display.h" 29 #include "gx_canvas.h" 30 #include "gx_system.h" 31 32 /**************************************************************************/ 33 /* */ 34 /* FUNCTION RELEASE */ 35 /* */ 36 /* _gx_display_driver_generic_mouse_draw PORTABLE C */ 37 /* 6.1 */ 38 /* AUTHOR */ 39 /* */ 40 /* Kenneth Maxwell, Microsoft Corporation */ 41 /* */ 42 /* DESCRIPTION */ 43 /* */ 44 /* This service draws the mouse image for software mouse. */ 45 /* */ 46 /* INPUT */ 47 /* */ 48 /* display Display control block */ 49 /* */ 50 /* OUTPUT */ 51 /* */ 52 /* CALLS */ 53 /* */ 54 /* */ 55 /* CALLED BY */ 56 /* */ 57 /* Application Code */ 58 /* */ 59 /* RELEASE HISTORY */ 60 /* */ 61 /* DATE NAME DESCRIPTION */ 62 /* */ 63 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ 64 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */ 65 /* resulting in version 6.1 */ 66 /* */ 67 /**************************************************************************/ 68 #if defined(GX_MOUSE_SUPPORT) 69 #if !defined(GX_HARDWARE_MOUSE_SUPPORT) _gx_display_driver_generic_mouse_draw(GX_DISPLAY * display)70VOID _gx_display_driver_generic_mouse_draw(GX_DISPLAY *display) 71 { 72 GX_DRAW_CONTEXT mouse_context; 73 GX_DRAW_CONTEXT *old_context; 74 GX_PIXELMAP *map; 75 GX_VALUE left; 76 GX_VALUE top; 77 GX_RESOURCE_ID image_id; 78 GX_CANVAS *canvas; 79 80 if(display -> gx_display_mouse.gx_mouse_cursor_info) 81 { 82 image_id = display -> gx_display_mouse.gx_mouse_cursor_info -> gx_mouse_cursor_image_id; 83 84 if (image_id && image_id < display -> gx_display_pixelmap_table_size) 85 { 86 canvas = display -> gx_display_mouse.gx_mouse_canvas; 87 left = display -> gx_display_mouse.gx_mouse_position.gx_point_x; 88 top = display -> gx_display_mouse.gx_mouse_position.gx_point_y; 89 left = (GX_VALUE)(left - display -> gx_display_mouse.gx_mouse_cursor_info -> gx_mouse_cursor_hotspot_x); 90 top = (GX_VALUE)(top - display -> gx_display_mouse.gx_mouse_cursor_info -> gx_mouse_cursor_hotspot_y); 91 map = display -> gx_display_pixelmap_table[image_id]; 92 93 old_context = _gx_system_current_draw_context; 94 95 // set up draw context clip area 96 mouse_context.gx_draw_context_dirty = display -> gx_display_mouse.gx_mouse_rect; 97 98 // set up draw context view 99 mouse_context.gx_draw_context_simple_view.gx_view_next = NULL; 100 mouse_context.gx_draw_context_simple_view.gx_view_rectangle = display -> gx_display_mouse.gx_mouse_rect; 101 mouse_context.gx_draw_context_view_head = &mouse_context.gx_draw_context_simple_view; 102 103 mouse_context.gx_draw_context_canvas = canvas; 104 /* Mouse pixelmap should never been blend. */ 105 mouse_context.gx_draw_context_brush.gx_brush_alpha = 0xff; 106 mouse_context.gx_draw_context_display = display; 107 mouse_context.gx_draw_context_memory = canvas -> gx_canvas_memory; 108 mouse_context.gx_draw_context_pitch = canvas -> gx_canvas_x_resolution; 109 110 _gx_system_current_draw_context = &mouse_context; 111 _gx_canvas_pixelmap_draw(left, top, map); 112 113 _gx_system_current_draw_context = old_context; 114 display -> gx_display_mouse.gx_mouse_status |= GX_MOUSE_VISIBLE; 115 } 116 } 117 } 118 119 #endif 120 #endif 121 122
