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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_context.h" |
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#include "gx_system.h" |
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#include "gx_display.h" |
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#include "gx_image_reader.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_565rgb_rotated_png_draw 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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/* 565rgb format display driver PNG drawing 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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/* xpos x-coord of top-left draw point*/ |
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/* ypos y-coord of top-left draw point*/ |
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/* pixelmap Pointer to GX_PIXELMAP struct */ |
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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_image_reader_create */ |
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/* _gx_image_reader_start */ |
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/* _gx_display_driver_565rgb_rotated_pixelmap_draw */ |
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/* _gx_system_memory_free */ |
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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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#if defined(GX_SOFTWARE_DECODER_SUPPORT) |
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VOID _gx_display_driver_565rgb_rotated_png_draw(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap) |
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{ |
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GX_IMAGE_READER image_reader; |
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GX_PIXELMAP pic_outmap; |
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GX_UBYTE mode = GX_IMAGE_READER_MODE_ALPHA; |
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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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mode |= GX_IMAGE_READER_MODE_ROTATE_CW; |
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} |
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else |
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{ |
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mode |= GX_IMAGE_READER_MODE_ROTATE_CCW; |
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} |
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_gx_image_reader_create(&image_reader, |
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pixelmap -> gx_pixelmap_data, |
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(INT)(pixelmap -> gx_pixelmap_data_size), |
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GX_COLOR_FORMAT_565RGB, mode); |
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✓✓ |
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if (_gx_image_reader_start(&image_reader, &pic_outmap) == GX_SUCCESS) |
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{ |
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_gx_display_driver_565rgb_rotated_pixelmap_draw(context, xpos, ypos, &pic_outmap); |
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_gx_system_memory_free((VOID *)pic_outmap.gx_pixelmap_data); |
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✓✓ |
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if (pic_outmap.gx_pixelmap_aux_data) |
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{ |
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_gx_system_memory_free((VOID *)pic_outmap.gx_pixelmap_aux_data); |
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} |
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} |
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} |
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#endif |
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