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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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/** Canvas Management (Canvas) */ |
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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_system.h" |
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#include "gx_utility.h" |
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#include "gx_canvas.h" |
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#include "gx_display.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_canvas_drawing_complete PORTABLE C */ |
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/* 6.1 */ |
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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 completes drawing on the specified canvas. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* canvas Canvas control block */ |
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/* flush If GX_TRUE, the content of */ |
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/* the canvas is flushed to */ |
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/* the display */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* status Completion status */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* [gx_display_driver_buffer_toggle] Toggle visible frame buffer */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* Application Code */ |
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/* GUIX Internal Code */ |
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/* */ |
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/**************************************************************************/ |
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1882122 |
UINT _gx_canvas_drawing_complete(GX_CANVAS *canvas, GX_BOOL flush) |
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{ |
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GX_DISPLAY *display = canvas -> gx_canvas_display; |
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/* Determing if canvas drawing has been initiated. */ |
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✓✓ |
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if (canvas -> gx_canvas_draw_nesting > 0) |
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{ |
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✓✓ |
1882120 |
if (display -> gx_display_driver_drawing_complete) |
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{ |
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display -> gx_display_driver_drawing_complete(display, canvas); |
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} |
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/* Decrement the drawing nesting counter. */ |
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canvas -> gx_canvas_draw_nesting = (GX_UBYTE)(canvas->gx_canvas_draw_nesting - 1); |
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/* Pop the previous draw context. */ |
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1882120 |
_gx_system_current_draw_context++; |
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✓✓ |
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if (_gx_system_current_draw_context == _gx_system_draw_context_stack_end) |
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{ |
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_gx_system_current_draw_context = GX_NULL; |
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} |
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✓✓✓✓
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if (canvas -> gx_canvas_draw_nesting == 0 && flush) |
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{ |
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canvas -> gx_canvas_display -> gx_display_driver_buffer_toggle(canvas, &canvas -> gx_canvas_dirty_area); |
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/* reset the canvas dirty counter */ |
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canvas -> gx_canvas_draw_count = 0; |
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} |
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} |
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return(GX_SUCCESS); |
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} |
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