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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_canvas.h" |
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#include "gx_system.h" |
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/* Bring in externs for caller checking code. */ |
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GX_CALLER_CHECKING_EXTERNS |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gxe_canvas_pixelmap_tile 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 checks errors in the canvas pixelmap tile function. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* fill Area to fill with pixelmap */ |
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/* pixelmap Pointer to actual pixelmap */ |
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/* to draw */ |
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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_canvas_pixelmap_tile The actual pixelmap tile */ |
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/* routine */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* Application Code */ |
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/* */ |
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/**************************************************************************/ |
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UINT _gxe_canvas_pixelmap_tile(GX_RECTANGLE *fill, GX_PIXELMAP *pixelmap) |
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{ |
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UINT status; |
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/* Check for appropriate caller. */ |
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✓✓✓✓
✓✓ |
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GX_INIT_AND_THREADS_CALLER_CHECKING |
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/* Check error for valid pointer. */ |
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✓✓✓✓
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if ((fill == GX_NULL) || (pixelmap == GX_NULL)) |
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{ |
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return(GX_PTR_ERROR); |
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} |
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✓✓ |
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if (_gx_system_current_draw_context == GX_NULL) |
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{ |
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return GX_INVALID_CONTEXT; |
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} |
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/* Check for invalid widget. */ |
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✓✓ |
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if ((fill -> gx_rectangle_left > fill -> gx_rectangle_right) || |
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✓✓ |
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(fill -> gx_rectangle_top > fill -> gx_rectangle_bottom)) |
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{ |
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return(GX_INVALID_VALUE); |
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} |
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/* Call the actual function. */ |
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status = _gx_canvas_pixelmap_tile(fill, pixelmap); |
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/* Return completion status. */ |
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return(status); |
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} |
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