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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* Copyright (c) 2026-present Eclipse ThreadX contributors |
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* |
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* This program and the accompanying materials are made available under the |
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* terms of the MIT License which is available at |
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* https://opensource.org/licenses/MIT. |
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* |
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* SPDX-License-Identifier: MIT |
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**************************************************************************/ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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/** */ |
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/** GUIX Component */ |
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/** */ |
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/** Circular Gauge Management (Circular Gauge) */ |
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/** */ |
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/**************************************************************************/ |
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#define GX_SOURCE_CODE |
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/* Include necessary system files. */ |
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#include "gx_api.h" |
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#include "gx_icon.h" |
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#include "gx_system.h" |
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#include "gx_context.h" |
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#include "gx_canvas.h" |
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#include "gx_circular_gauge.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_circular_gauge_background_draw PORTABLE C */ |
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/* 6.1.9 */ |
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/* AUTHOR */ |
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/* */ |
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/* Kenneth Maxwell, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* This function draws background of the specified circular gauge. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* gauge Pointer to circular gauge */ |
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/* control block */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* None */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* _gx_icon_background_draw Draw icon background */ |
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/* _gx_context_pixelmap_get Gets the pixelmap associated */ |
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/* the supplied resource ID. */ |
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/* _gx_circular_gauge_needle_rotate Needle rotate function */ |
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/* _gx_canvas_pixelmap_draw Draw the specified pixelmap. */ |
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/* _gx_system_memory_free Free memory. */ |
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/* [gx_display_driver_callback_assign] Assigns widget callback */ |
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/* function */ |
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/* _gx_circular_gauge_needle_rotate_callback */ |
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/* Needle rotate callback */ |
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/* function */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* GUIX Internal Code */ |
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/* */ |
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/**************************************************************************/ |
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VOID _gx_circular_gauge_background_draw(GX_CIRCULAR_GAUGE *gauge) |
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{ |
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GX_PIXELMAP *map; |
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GX_CIRCULAR_GAUGE_INFO *info; |
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GX_DISPLAY *display; |
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GX_BOOL free_mem; |
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/* pickup pointer to current context */ |
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GX_DRAW_CONTEXT *context = _gx_system_current_draw_context; |
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display = context -> gx_draw_context_display; |
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/* Pick up gauge information. */ |
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info = &gauge -> gx_circular_gauge_info; |
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free_mem = GX_FALSE; |
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✓✓ |
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if (gauge -> gx_circular_gauge_info.gx_circular_gauge_info_needle_pixelmap) |
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{ |
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/* get pointer to needle source image */ |
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_gx_context_pixelmap_get(gauge -> gx_circular_gauge_info.gx_circular_gauge_info_needle_pixelmap, |
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&gauge -> gx_circular_gauge_needle_source); |
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} |
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✓✓ |
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if (gauge -> gx_circular_gauge_current_angle != 0) |
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{ |
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✓✓ |
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if (display -> gx_display_driver_callback_assign) |
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{ |
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/* rotate the needle while gauge background is being drawn */ |
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display -> gx_display_driver_callback_assign(_gx_circular_gauge_needle_rotate_callback, gauge); |
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} |
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else |
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{ |
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/* rotate the needle inline: */ |
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_gx_circular_gauge_needle_rotate(gauge); |
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} |
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map = &gauge -> gx_circular_gauge_needle_rotated; |
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free_mem = GX_TRUE; |
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} |
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else |
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{ |
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map = gauge -> gx_circular_gauge_needle_source; |
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gauge -> gx_circular_gauge_current_needle_x = gauge -> gx_widget_size.gx_rectangle_left + |
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info -> gx_circular_gauge_info_needle_xpos - |
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info -> gx_circular_gauge_info_needle_xcor; |
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gauge -> gx_circular_gauge_current_needle_y = gauge -> gx_widget_size.gx_rectangle_top + |
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info -> gx_circular_gauge_info_needle_ypos - |
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info -> gx_circular_gauge_info_needle_ycor; |
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} |
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/* Call icon draw function to draw the background. */ |
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_gx_icon_background_draw((GX_ICON *)gauge); |
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✓✓✓✓
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if ((map != GX_NULL) && (map -> gx_pixelmap_data != GX_NULL)) |
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{ |
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/* Draw needle . */ |
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_gx_canvas_pixelmap_draw((GX_VALUE)gauge -> gx_circular_gauge_current_needle_x, |
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(GX_VALUE)gauge -> gx_circular_gauge_current_needle_y, |
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map); |
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/* Free rotate needle pixelmap memory. */ |
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✓✓✓✓
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if (_gx_system_memory_free && free_mem) |
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{ |
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✓✓ |
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if (map -> gx_pixelmap_aux_data) |
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{ |
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_gx_system_memory_free((VOID *)map -> gx_pixelmap_aux_data); |
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map -> gx_pixelmap_aux_data = GX_NULL; |
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} |
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_gx_system_memory_free((VOID *)map -> gx_pixelmap_data); |
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map -> gx_pixelmap_data = GX_NULL; |
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} |
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} |
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} |
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