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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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/** Utility (Utility) */ |
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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_utility.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_utility_pixelmap_simple_rotation 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 service rotate a pixelmap by 90, 180 or 270 degree. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* src The pixelmap to rotate */ |
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/* angle The angle to rotate */ |
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/* destination Destination buffer for */ |
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/* rotated pixelmap. */ |
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/* rot_cx X coordinate of rotation */ |
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/* center */ |
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/* rot_cy Y coordinate of rotation */ |
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/* center */ |
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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_utility_32argb_pixelmap_simple_rotate */ |
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/* Rotate 32bpp pixelmap with */ |
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/* simple case */ |
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/* _gx_utility_565rgb_pixelmap_simple_rotate */ |
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/* Rotate 565rgb pixelmap with */ |
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/* simple case */ |
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/* _gx_utility_4444argb_pixelmap_simple_rotate */ |
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/* Rotate 4444argb pixelmap with */ |
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/* simple case */ |
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/* _gx_utility_8bpp_pixelmap_simple_rotate */ |
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/* Rotate 8bit palette pixelmap */ |
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/* with simple case */ |
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/* _gx_utility_332rgb_pixelmap_simple_rotate */ |
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/* Rotate 332rgb pixelmap with */ |
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/* simple case */ |
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/* _gx_utility_4bpp_pixelmap_simple_rotate */ |
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/* Rotate 4bpp pixelmap with */ |
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/* simple case */ |
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/* _gx_utility_1bpp_pixelmap_simple_rotate */ |
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/* Rotate 1bpp pixelmap with */ |
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/* simple case */ |
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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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UINT _gx_utility_pixelmap_simple_rotate(GX_PIXELMAP *src, INT angle, GX_PIXELMAP *destination, INT *rot_cx, INT *rot_cy) |
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{ |
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angle = angle % 360; |
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✓✓✓✓
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if ((angle == 0) || (angle % 90)) |
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{ |
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return GX_INVALID_VALUE; |
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} |
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✓✓ |
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else if (angle < 0) |
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{ |
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angle += 360; |
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} |
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✓✓✓✓
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if ((_gx_system_memory_allocator == GX_NULL) || (_gx_system_memory_free == GX_NULL)) |
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{ |
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return GX_SYSTEM_MEMORY_ERROR; |
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} |
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✓✓ |
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if (src -> gx_pixelmap_flags & GX_PIXELMAP_COMPRESSED) |
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{ |
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return GX_INVALID_FORMAT; |
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} |
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memset(destination, 0, sizeof(GX_PIXELMAP)); |
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destination -> gx_pixelmap_format = src -> gx_pixelmap_format; |
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destination -> gx_pixelmap_version_major = src -> gx_pixelmap_version_major; |
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destination -> gx_pixelmap_version_minor = src -> gx_pixelmap_version_major; |
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destination -> gx_pixelmap_flags = src -> gx_pixelmap_flags; |
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✓✓✓✓ ✓✓✓✓
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switch (src -> gx_pixelmap_format) |
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{ |
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case GX_COLOR_FORMAT_32ARGB: |
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case GX_COLOR_FORMAT_24XRGB: |
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/* Call 32argb pixelmap rotate. */ |
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_gx_utility_32argb_pixelmap_simple_rotate(src, angle, destination, rot_cx, rot_cy); |
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break; |
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case GX_COLOR_FORMAT_565RGB: |
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case GX_COLOR_FORMAT_565BGR: |
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case GX_COLOR_FORMAT_1555XRGB: |
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/* Call 565rgb pixelmap rotate. */ |
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_gx_utility_565rgb_pixelmap_simple_rotate(src, angle, destination, rot_cx, rot_cy); |
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break; |
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case GX_COLOR_FORMAT_4444ARGB: |
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_gx_utility_4444argb_pixelmap_simple_rotate(src, angle, destination, rot_cx, rot_cy); |
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break; |
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case GX_COLOR_FORMAT_8BIT_PACKED_PIXEL: |
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/* Call 332rgb pixelmap rotate. */ |
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_gx_utility_332rgb_pixelmap_simple_rotate(src, angle, destination, rot_cx, rot_cy); |
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break; |
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case GX_COLOR_FORMAT_8BIT_PALETTE: |
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case GX_COLOR_FORMAT_8BIT_ALPHAMAP: |
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/* Call 8bpp pixelmap rotate. */ |
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_gx_utility_8bpp_pixelmap_simple_rotate(src, angle, destination, rot_cx, rot_cy); |
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break; |
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case GX_COLOR_FORMAT_4BIT_GRAY: |
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_gx_utility_4bpp_pixelmap_simple_rotate(src, angle, destination, rot_cx, rot_cy); |
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break; |
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case GX_COLOR_FORMAT_MONOCHROME: |
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_gx_utility_1bpp_pixelmap_simple_rotate(src, angle, destination, rot_cx, rot_cy); |
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break; |
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default: |
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return GX_INVALID_FORMAT; |
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} |
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✓✓ |
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if (destination -> gx_pixelmap_data) |
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{ |
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return GX_SUCCESS; |
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} |
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return GX_FAILURE; |
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} |
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