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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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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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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_canvas_dirty_mark 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 marks the canvas dirty. */ |
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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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/* area Area of canvas to mark as */ |
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/* dirty */ |
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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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/* None */ |
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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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/* RELEASE HISTORY */ |
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/* */ |
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/* DATE NAME DESCRIPTION */ |
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/* */ |
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/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
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/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
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/* resulting in version 6.1 */ |
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/* */ |
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/**************************************************************************/ |
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VOID _gx_canvas_dirty_mark(GX_CANVAS *canvas, GX_RECTANGLE *area) |
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{ |
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canvas -> gx_canvas_draw_count++; |
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/* did the caller pass a specific rectangle? */ |
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✓✓ |
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if (area) |
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{ |
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/* yes, used passed in rectangle */ |
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canvas -> gx_canvas_dirty_area = *area; |
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} |
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else |
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{ |
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/* no, invalidate the entire canvas */ |
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canvas -> gx_canvas_dirty_area.gx_rectangle_top = 0; |
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canvas -> gx_canvas_dirty_area.gx_rectangle_bottom = |
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(GX_VALUE)(canvas -> gx_canvas_y_resolution - 1); |
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canvas -> gx_canvas_dirty_area.gx_rectangle_left = 0; |
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canvas -> gx_canvas_dirty_area.gx_rectangle_right = |
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(GX_VALUE)(canvas -> gx_canvas_x_resolution - 1); |
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} |
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} |
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