1 /**************************************************************************/ 2 /* */ 3 /* Copyright (c) Microsoft Corporation. All rights reserved. */ 4 /* */ 5 /* This software is licensed under the Microsoft Software License */ 6 /* Terms for Microsoft Azure RTOS. Full text of the license can be */ 7 /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */ 8 /* and in the root directory of this software. */ 9 /* */ 10 /**************************************************************************/ 11 12 13 /**************************************************************************/ 14 /**************************************************************************/ 15 /** */ 16 /** GUIX Component */ 17 /** */ 18 /** Button Management (Button) */ 19 /** */ 20 /**************************************************************************/ 21 22 #define GX_SOURCE_CODE 23 24 25 /* Include necessary system files. */ 26 27 #include "gx_api.h" 28 #include "gx_system.h" 29 #include "gx_canvas.h" 30 #include "gx_context.h" 31 #include "gx_widget.h" 32 #include "gx_button.h" 33 34 35 /**************************************************************************/ 36 /* */ 37 /* FUNCTION RELEASE */ 38 /* */ 39 /* _gx_icon_button_draw PORTABLE C */ 40 /* 6.1.9 */ 41 /* AUTHOR */ 42 /* */ 43 /* Kenneth Maxwell, Microsoft Corporation */ 44 /* */ 45 /* DESCRIPTION */ 46 /* */ 47 /* This function draws the specified button, which is a special type */ 48 /* of widget. */ 49 /* */ 50 /* INPUT */ 51 /* */ 52 /* button Icon button control block */ 53 /* */ 54 /* OUTPUT */ 55 /* */ 56 /* None */ 57 /* */ 58 /* CALLS */ 59 /* */ 60 /* _gx_button_background_draw Draw the button background */ 61 /* _gx_context_pixelmap_get Retrieve pixelmap image */ 62 /* _gx_widget_border_width_get Get the border width */ 63 /* _gx_canvas_pixelmap_draw Draw the pixelmap */ 64 /* _gx_widget_children_draw Draw children widgets */ 65 /* */ 66 /* CALLED BY */ 67 /* */ 68 /* Application Code */ 69 /* GUIX Internal Code */ 70 /* */ 71 /* RELEASE HISTORY */ 72 /* */ 73 /* DATE NAME DESCRIPTION */ 74 /* */ 75 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ 76 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */ 77 /* resulting in version 6.1 */ 78 /* 10-15-2021 Ting Zhu Modified comment(s), */ 79 /* fixed pixelmap draw offset, */ 80 /* resulting in version 6.1.9 */ 81 /* */ 82 /**************************************************************************/ _gx_icon_button_draw(GX_ICON_BUTTON * button)83VOID _gx_icon_button_draw(GX_ICON_BUTTON *button) 84 { 85 GX_WIDGET *widget; 86 GX_PIXELMAP *map; 87 GX_VALUE xpos; 88 GX_VALUE ypos; 89 GX_VALUE border; 90 INT shift = 0; 91 92 /* Setup the widget. */ 93 widget = (GX_WIDGET *)button; 94 95 /* draw the background button */ 96 _gx_button_background_draw((GX_BUTTON *)button); 97 98 /* draw the button icon */ 99 _gx_context_pixelmap_get(button -> gx_icon_button_icon_id, &map); 100 101 if (map) 102 { 103 _gx_widget_border_width_get(widget, &border); 104 105 if (widget -> gx_widget_style & GX_STYLE_BUTTON_PUSHED) 106 { 107 shift = 1; 108 } 109 110 switch (widget -> gx_widget_style & GX_PIXELMAP_HALIGN_MASK) 111 { 112 case GX_STYLE_HALIGN_CENTER: 113 xpos = (GX_VALUE)(widget -> gx_widget_size.gx_rectangle_right - 114 widget -> gx_widget_size.gx_rectangle_left - 115 map -> gx_pixelmap_width + 1); 116 117 xpos /= 2; 118 xpos = (GX_VALUE)(xpos + widget -> gx_widget_size.gx_rectangle_left + shift); 119 break; 120 121 case GX_STYLE_HALIGN_RIGHT: 122 xpos = (GX_VALUE)(widget -> gx_widget_size.gx_rectangle_right - map -> gx_pixelmap_width - border + shift + 1); 123 break; 124 125 default: 126 xpos = (GX_VALUE)(widget -> gx_widget_size.gx_rectangle_left + border + shift); 127 break; 128 } 129 130 switch (widget -> gx_widget_style & GX_PIXELMAP_VALIGN_MASK) 131 { 132 case GX_STYLE_VALIGN_CENTER: 133 ypos = (GX_VALUE)(widget -> gx_widget_size.gx_rectangle_bottom - 134 widget -> gx_widget_size.gx_rectangle_top - 135 map -> gx_pixelmap_height + 1); 136 137 ypos /= 2; 138 ypos = (GX_VALUE)(ypos + widget -> gx_widget_size.gx_rectangle_top + shift); 139 break; 140 141 case GX_STYLE_VALIGN_BOTTOM: 142 ypos = (GX_VALUE)(widget -> gx_widget_size.gx_rectangle_bottom - map -> gx_pixelmap_height - border + shift + 1); 143 break; 144 145 default: 146 ypos = (GX_VALUE)(widget -> gx_widget_size.gx_rectangle_top + border + shift); 147 break; 148 } 149 _gx_widget_context_fill_set(widget); 150 _gx_canvas_pixelmap_draw(xpos, ypos, map); 151 } 152 153 154 /* Draw button's children. */ 155 _gx_widget_children_draw(widget); 156 } 157 158