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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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/** Display Management (Display) */ |
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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_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_display_driver_16bpp_rotated_pixel_write PORTABLE C */ |
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/* 6.1.3 */ |
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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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/* Generic 16bpp color format pixel write function. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* context Drawing context */ |
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/* x X coordinate */ |
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/* y Y coordinate */ |
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/* color Color of pixel to write */ |
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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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/**************************************************************************/ |
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VOID _gx_display_driver_16bpp_rotated_pixel_write(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color) |
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{ |
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USHORT *put = (USHORT *)context -> gx_draw_context_memory; |
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/* Calculate address of scan line. */ |
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✓✓ |
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if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW) |
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{ |
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put += context -> gx_draw_context_pitch * (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - x - 1); |
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/* Step in by y coordinate. */ |
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put += y; |
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} |
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else |
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{ |
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put += context -> gx_draw_context_pitch * x; |
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/* Step in by y coordinate. */ |
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put += (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - y - 1); |
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} |
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/* Write the pixel value. */ |
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*put = (USHORT)color; |
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} |
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