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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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/** 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_display.h" |
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#include "gx_context.h" |
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#include "gx_utility.h" |
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#include "gx_system.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_4bpp_pixelmap_rotate 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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/* 4bpp pixelmap rotation function that handles uncompress, with or */ |
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/* without alpha channel. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* src The pixelmap to be rotated */ |
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/* angle The angle to be rotated */ |
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/* destination The rotated bitmap to be */ |
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/* returned */ |
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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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/* None */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* _gx_system_memory_allocator Memory Allocation routine */ |
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/* _gx_utility_math_cos Compute the cosine value */ |
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/* _gx_utility_math_sin Compute the sine value */ |
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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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/* 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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UINT _gx_utility_4bpp_pixelmap_rotate(GX_PIXELMAP *src, INT angle, GX_PIXELMAP *destination, INT *rot_cx, INT *rot_cy) |
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{ |
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GX_UBYTE *putrow; |
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GX_UBYTE *put; |
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GX_UBYTE *get; |
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INT srcxres; |
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INT srcyres; |
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INT cosv; |
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INT sinv; |
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INT idxminx, idxmaxx, idxmaxy; |
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INT mx[] = {-1, 1, 1, -1}; |
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INT my[] = {1, 1, -1, -1}; |
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INT xres; |
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INT yres; |
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INT width, height; |
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INT x, y; |
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INT xx, yy; |
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INT putstride; |
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INT getstride; |
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INT putauxstride; |
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INT getauxstride; |
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GX_UBYTE putmask; |
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GX_UBYTE pixel; |
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GX_UBYTE *putaux; |
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GX_UBYTE *putauxrow; |
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GX_UBYTE putauxmask; |
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GX_UBYTE transmask; |
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GX_UBYTE *getaux; |
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GX_BOOL draw = GX_TRUE; |
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idxminx = (angle / 90) & 0x3; |
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idxmaxx = (idxminx + 2) & 0x3; |
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idxmaxy = (idxminx + 1) & 0x3; |
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/* Calculate the source x and y center. */ |
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srcxres = src -> gx_pixelmap_width >> 1; |
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srcyres = src -> gx_pixelmap_height >> 1; |
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cosv = _gx_utility_math_cos(GX_FIXED_VAL_MAKE(angle)); |
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sinv = _gx_utility_math_sin(GX_FIXED_VAL_MAKE(angle)); |
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xres = GX_FIXED_VAL_TO_INT((mx[idxmaxx] * (srcxres + 2) * cosv - my[idxmaxx] * (srcyres + 2) * sinv)); |
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yres = GX_FIXED_VAL_TO_INT((my[idxmaxy] * (srcyres + 2) * cosv + mx[idxmaxy] * (srcxres + 2) * sinv)); |
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/* Calculate destination width and height. */ |
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width = (xres << 1); |
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height = (yres << 1); |
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✓✓✓✓
|
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if (rot_cx && rot_cy) |
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{ |
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/* Calculate the new rotation axis. */ |
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x = ((*rot_cx) - srcxres) * cosv - ((*rot_cy) - srcyres) * sinv; |
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y = ((*rot_cy) - srcyres) * cosv + ((*rot_cx) - srcxres) * sinv; |
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x = GX_FIXED_VAL_TO_INT(x) + xres; |
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y = GX_FIXED_VAL_TO_INT(y) + yres; |
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srcxres = *rot_cx; |
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srcyres = *rot_cy; |
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*rot_cx = x; |
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*rot_cy = y; |
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xres = *rot_cx; |
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yres = *rot_cy; |
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} |
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/* Set width and height of destination pixelmap. */ |
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destination -> gx_pixelmap_width = (GX_VALUE)width; |
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destination -> gx_pixelmap_height = (GX_VALUE)height; |
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destination -> gx_pixelmap_flags |= GX_PIXELMAP_TRANSPARENT; |
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putstride = (width + 1) >> 1; |
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putauxstride = (width + 7) >> 3; |
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getstride = (src -> gx_pixelmap_width + 1) >> 1; |
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getauxstride = 0; |
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✓✓ |
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if (src -> gx_pixelmap_flags & GX_PIXELMAP_TRANSPARENT) |
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{ |
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getauxstride = (src -> gx_pixelmap_width + 7) >> 3; |
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} |
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/* Safe int math is not required here, calling function limits max width, height to 14 bits so |
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overflow cannot occur. */ |
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destination -> gx_pixelmap_data_size = (UINT)(putstride * height) * sizeof(GX_UBYTE); |
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/* Allocate memory for destination pixelmap to load pixel information. */ |
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destination -> gx_pixelmap_data = (GX_UBYTE *)_gx_system_memory_allocator(destination -> gx_pixelmap_data_size); |
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✓✓ |
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if (destination -> gx_pixelmap_data == GX_NULL) |
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{ |
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return GX_SYSTEM_MEMORY_ERROR; |
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} |
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/* Safe int math is not required here, calling function limits max width, height to 14 bits so |
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overflow cannot occur. */ |
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destination -> gx_pixelmap_aux_data_size = (UINT)(putauxstride * height) * sizeof(GX_UBYTE); |
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/* Allocate memory for destination pixelmap to load pixel information. */ |
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destination -> gx_pixelmap_aux_data = (GX_UBYTE *)_gx_system_memory_allocator(destination -> gx_pixelmap_aux_data_size); |
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✓✓ |
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if (destination -> gx_pixelmap_aux_data == GX_NULL) |
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{ |
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_gx_system_memory_free((void *)destination -> gx_pixelmap_data); |
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return GX_SYSTEM_MEMORY_ERROR; |
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} |
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putrow = (GX_UBYTE *)destination -> gx_pixelmap_data; |
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putauxrow = (GX_UBYTE *)destination -> gx_pixelmap_aux_data; |
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/* For every pixel in destination bitmap, find its position in source bitmap, |
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and set the pixel with the value in source bitmap. */ |
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✓✓ |
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for (y = 0; y < height; y++) |
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{ |
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put = putrow; |
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putaux = putauxrow; |
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putmask = 0xf0; |
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putauxmask = 0x80; |
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✓✓ |
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for (x = 0; x < width; x++) |
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{ |
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xx = GX_FIXED_VAL_TO_INT((x - xres) * cosv + (y - yres) * sinv); |
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yy = GX_FIXED_VAL_TO_INT((y - yres) * cosv - (x - xres) * sinv); |
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51718192 |
xx += srcxres; |
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yy += srcyres; |
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✓✓ |
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if (getauxstride) |
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{ |
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getaux = (GX_UBYTE *)src -> gx_pixelmap_aux_data; |
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getaux += yy * getauxstride; |
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getaux += xx >> 3; |
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transmask = (GX_UBYTE)(0x80 >> (xx & 0x07)); |
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✓✓ |
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if (transmask & (*getaux)) |
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{ |
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11588464 |
draw = GX_FALSE; |
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} |
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else |
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{ |
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20117376 |
draw = GX_TRUE; |
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} |
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} |
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/* Set bits first. */ |
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*put &= (GX_UBYTE)(~putmask); |
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✓✓✓✓
✓✓✓✓
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if (draw && (xx >= 0) && (xx < src -> gx_pixelmap_width) && |
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✓✓ |
28645067 |
(yy >= 0) && (yy < src -> gx_pixelmap_height)) |
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{ |
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get = (GX_UBYTE *)src -> gx_pixelmap_data; |
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get += yy * getstride; |
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get += xx >> 1; |
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✓✓ |
23948788 |
if (xx & 1) |
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{ |
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pixel = *get & 0x0f; |
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} |
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else |
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{ |
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pixel = (*get & 0xf0) >> 4; |
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} |
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pixel |= (GX_UBYTE)(pixel << 4); |
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/* set pixel */ |
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*put |= pixel & putmask; |
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/* Set transparent info. */ |
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*putaux &= (GX_UBYTE)(~putauxmask); |
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} |
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else |
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{ |
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27769404 |
*putaux |= putauxmask; |
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} |
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51718192 |
putauxmask >>= 1; |
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✓✓ |
51718192 |
if (putauxmask == 0) |
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{ |
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6396372 |
putaux++; |
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putauxmask = 0x80; |
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} |
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51718192 |
putmask >>= 4; |
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✓✓ |
51718192 |
if (putmask == 0) |
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{ |
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25859096 |
put++; |
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25859096 |
putmask = 0xf0; |
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} |
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} |
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191656 |
putrow += putstride; |
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putauxrow += putauxstride; |
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} |
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return GX_SUCCESS; |
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} |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_utility_4bpp_pixelmap_simple_raw_rotate 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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/* Internal helper function that handles 90, 180 and 270 degree */ |
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/* rotation of an uncompressed pixelmap with or wihout alpha. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* src The pixelmap to be rotated */ |
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/* angle The angle to be rotated */ |
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/* destination The rotated bitmap to be */ |
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/* returned */ |
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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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/* None */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* _gx_system_memory_allocator Memory Allocation routine */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* _gx_utility_4bpp_pixelmap_simple_rotate */ |
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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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static UINT _gx_utility_4bpp_pixelmap_simple_raw_rotate(GX_PIXELMAP *src, INT angle, GX_PIXELMAP *destination, INT *rot_cx, INT *rot_cy) |
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{ |
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GX_UBYTE *put; |
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GX_UBYTE *putrow; |
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GX_UBYTE *get; |
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INT width, height; |
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INT x, y; |
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INT putstride; |
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GX_UBYTE putmask; |
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GX_UBYTE pixel; |
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INT getstride; |
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getstride = (src -> gx_pixelmap_width + 1) >> 1; |
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|
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width = src -> gx_pixelmap_height; |
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|
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height = src -> gx_pixelmap_width; |
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|
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✓✓ |
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if (angle == 180) |
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{ |
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GX_SWAP_VALS(width, height); |
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} |
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|
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putstride = (width + 1) >> 1; |
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/* Safe int math is not required here, calling function limits max width, height to 14 bits so |
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overflow cannot occur. */ |
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|
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destination -> gx_pixelmap_data_size = (UINT)(putstride * height) * sizeof(GX_UBYTE); |
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|
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destination -> gx_pixelmap_data = (GX_UBYTE *)_gx_system_memory_allocator(destination -> gx_pixelmap_data_size); |
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|
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✓✓ |
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if (destination -> gx_pixelmap_data == GX_NULL) |
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{ |
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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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✓✓ |
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if (angle == 90) |
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{ |
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|
9 |
putrow = (GX_UBYTE *)destination -> gx_pixelmap_data; |
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|
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✓✓ |
1929 |
for (y = 0; y < height; y++) |
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{ |
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|
1920 |
put = putrow; |
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|
1920 |
putmask = 0xf0; |
361 |
✓✓ |
260400 |
for (x = 0; x < width; x++) |
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{ |
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|
258480 |
get = (GX_UBYTE *)src -> gx_pixelmap_data; |
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258480 |
get += (width - 1 - x) * getstride; |
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|
258480 |
get += y >> 1; |
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|
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✓✓ |
258480 |
if (y & 1) |
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{ |
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129240 |
pixel = *get & 0x0f; |
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} |
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else |
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{ |
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129240 |
pixel = (*get & 0xf0) >> 4; |
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} |
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258480 |
pixel |= (GX_UBYTE)(pixel << 4); |
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258480 |
*put &= (GX_UBYTE)(~putmask); |
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258480 |
*put |= pixel & putmask; |
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258480 |
putmask >>= 4; |
380 |
✓✓ |
258480 |
if (putmask == 0) |
381 |
|
|
{ |
382 |
|
128880 |
put++; |
383 |
|
128880 |
putmask = 0xf0; |
384 |
|
|
} |
385 |
|
|
} |
386 |
|
1920 |
putrow += putstride; |
387 |
|
|
} |
388 |
|
|
|
389 |
✓✓✓✓
|
9 |
if (rot_cx && rot_cy) |
390 |
|
|
{ |
391 |
|
1 |
x = *rot_cx; |
392 |
|
1 |
y = *rot_cy; |
393 |
|
|
|
394 |
|
1 |
*rot_cx = (width - 1 - y); |
395 |
|
1 |
*rot_cy = x; |
396 |
|
|
} |
397 |
|
|
} |
398 |
✓✓ |
18 |
else if (angle == 180) |
399 |
|
|
{ |
400 |
|
9 |
putrow = (GX_UBYTE *)destination -> gx_pixelmap_data; |
401 |
|
|
|
402 |
✓✓ |
1235 |
for (y = 0; y < height; y++) |
403 |
|
|
{ |
404 |
|
1226 |
put = putrow; |
405 |
|
1226 |
putmask = 0xf0; |
406 |
✓✓ |
259706 |
for (x = 0; x < width; x++) |
407 |
|
|
{ |
408 |
|
258480 |
get = (GX_UBYTE *)src -> gx_pixelmap_data; |
409 |
|
258480 |
get += (height - 1 - y) * getstride; |
410 |
|
258480 |
get += (width - 1 - x) >> 1; |
411 |
|
|
|
412 |
✓✓ |
258480 |
if ((width - 1 - x) & 1) |
413 |
|
|
{ |
414 |
|
129240 |
pixel = *get & 0x0f; |
415 |
|
|
} |
416 |
|
|
else |
417 |
|
|
{ |
418 |
|
129240 |
pixel = (*get & 0xf0) >> 4; |
419 |
|
|
} |
420 |
|
258480 |
pixel |= (GX_UBYTE)(pixel << 4); |
421 |
|
258480 |
*put &= (GX_UBYTE)(~putmask); |
422 |
|
258480 |
*put |= pixel & putmask; |
423 |
|
|
|
424 |
|
258480 |
putmask >>= 4; |
425 |
✓✓ |
258480 |
if (putmask == 0) |
426 |
|
|
{ |
427 |
|
129240 |
put++; |
428 |
|
129240 |
putmask = 0xf0; |
429 |
|
|
} |
430 |
|
|
} |
431 |
|
1226 |
putrow += putstride; |
432 |
|
|
} |
433 |
|
|
|
434 |
✓✓✓✓
|
9 |
if (rot_cx && rot_cy) |
435 |
|
|
{ |
436 |
|
1 |
x = *rot_cx; |
437 |
|
1 |
y = *rot_cy; |
438 |
|
|
|
439 |
|
1 |
*rot_cx = (width - 1 - x); |
440 |
|
1 |
*rot_cy = (height - 1 - y); |
441 |
|
|
} |
442 |
|
|
} |
443 |
|
|
else |
444 |
|
|
{ |
445 |
|
|
/* angle = 270. */ |
446 |
|
9 |
putrow = (GX_UBYTE *)destination -> gx_pixelmap_data; |
447 |
|
|
|
448 |
✓✓ |
1929 |
for (y = 0; y < height; y++) |
449 |
|
|
{ |
450 |
|
1920 |
put = putrow; |
451 |
|
1920 |
putmask = 0xf0; |
452 |
|
|
|
453 |
✓✓ |
260400 |
for (x = 0; x < width; x++) |
454 |
|
|
{ |
455 |
|
258480 |
get = (GX_UBYTE *)src -> gx_pixelmap_data; |
456 |
|
258480 |
get += x * getstride; |
457 |
|
258480 |
get += (height - 1 - y) >> 1; |
458 |
|
|
|
459 |
✓✓ |
258480 |
if ((height - 1 - y) & 1) |
460 |
|
|
{ |
461 |
|
129240 |
pixel = *get & 0x0f; |
462 |
|
|
} |
463 |
|
|
else |
464 |
|
|
{ |
465 |
|
129240 |
pixel = (*get & 0xf0) >> 4; |
466 |
|
|
} |
467 |
|
258480 |
pixel |= (GX_UBYTE)(pixel << 4); |
468 |
|
258480 |
*put &= (GX_UBYTE)(~putmask); |
469 |
|
258480 |
*put |= pixel & putmask; |
470 |
|
|
|
471 |
|
258480 |
putmask >>= 4; |
472 |
✓✓ |
258480 |
if (putmask == 0) |
473 |
|
|
{ |
474 |
|
128880 |
put++; |
475 |
|
128880 |
putmask = 0xf0; |
476 |
|
|
} |
477 |
|
|
} |
478 |
|
1920 |
putrow += putstride; |
479 |
|
|
} |
480 |
|
|
|
481 |
✓✓✓✓
|
9 |
if (rot_cx && rot_cy) |
482 |
|
|
{ |
483 |
|
1 |
x = *rot_cx; |
484 |
|
1 |
y = *rot_cy; |
485 |
|
|
|
486 |
|
1 |
*rot_cx = y; |
487 |
|
1 |
*rot_cy = (height - 1 - x); |
488 |
|
|
} |
489 |
|
|
} |
490 |
|
|
|
491 |
|
27 |
destination -> gx_pixelmap_height = (GX_VALUE)height; |
492 |
|
27 |
destination -> gx_pixelmap_width = (GX_VALUE)width; |
493 |
|
|
|
494 |
|
27 |
return GX_SUCCESS; |
495 |
|
|
} |
496 |
|
|
|
497 |
|
|
/**************************************************************************/ |
498 |
|
|
/* */ |
499 |
|
|
/* FUNCTION RELEASE */ |
500 |
|
|
/* */ |
501 |
|
|
/* _gx_utility_4bpp_pixelmap_simple_transparent_rotate PORTABLE C */ |
502 |
|
|
/* 6.1 */ |
503 |
|
|
/* AUTHOR */ |
504 |
|
|
/* */ |
505 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
506 |
|
|
/* */ |
507 |
|
|
/* DESCRIPTION */ |
508 |
|
|
/* */ |
509 |
|
|
/* Internal helper function that handles 90, 180 and 270 degree */ |
510 |
|
|
/* rotation of an uncompressed pixelmap with or wihout alpha. */ |
511 |
|
|
/* */ |
512 |
|
|
/* INPUT */ |
513 |
|
|
/* */ |
514 |
|
|
/* src The pixelmap to be rotated */ |
515 |
|
|
/* angle The angle to be rotated */ |
516 |
|
|
/* destination The rotated bitmap to be */ |
517 |
|
|
/* returned */ |
518 |
|
|
/* rot_cx X coordinate of rotation */ |
519 |
|
|
/* center */ |
520 |
|
|
/* rot_cy Y coordinate of rotation */ |
521 |
|
|
/* center */ |
522 |
|
|
/* */ |
523 |
|
|
/* OUTPUT */ |
524 |
|
|
/* */ |
525 |
|
|
/* None */ |
526 |
|
|
/* */ |
527 |
|
|
/* CALLS */ |
528 |
|
|
/* */ |
529 |
|
|
/* _gx_system_memory_allocator Memory Allocation routine */ |
530 |
|
|
/* */ |
531 |
|
|
/* CALLED BY */ |
532 |
|
|
/* */ |
533 |
|
|
/* _gx_utility_4bpp_pixelmap_simple_rotate */ |
534 |
|
|
/* */ |
535 |
|
|
/* RELEASE HISTORY */ |
536 |
|
|
/* */ |
537 |
|
|
/* DATE NAME DESCRIPTION */ |
538 |
|
|
/* */ |
539 |
|
|
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
540 |
|
|
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
541 |
|
|
/* resulting in version 6.1 */ |
542 |
|
|
/* */ |
543 |
|
|
/**************************************************************************/ |
544 |
|
21 |
static UINT _gx_utility_4bpp_pixelmap_simple_transparent_rotate(GX_PIXELMAP *src, INT angle, GX_PIXELMAP *destination, INT *rot_cx, INT *rot_cy) |
545 |
|
|
{ |
546 |
|
|
GX_UBYTE *put; |
547 |
|
|
GX_UBYTE *putrow; |
548 |
|
|
GX_UBYTE *putaux; |
549 |
|
|
GX_UBYTE *putauxrow; |
550 |
|
|
GX_UBYTE *get; |
551 |
|
|
INT width, height; |
552 |
|
|
INT x, y; |
553 |
|
|
INT putstride; |
554 |
|
|
INT putauxstride; |
555 |
|
|
GX_UBYTE putmask; |
556 |
|
|
GX_UBYTE pixel; |
557 |
|
|
GX_UBYTE transmask; |
558 |
|
|
GX_UBYTE putauxmask; |
559 |
|
|
GX_UBYTE *getaux; |
560 |
|
|
INT getstride; |
561 |
|
|
INT getauxstride; |
562 |
|
|
|
563 |
|
21 |
getstride = (src -> gx_pixelmap_width + 1) >> 1; |
564 |
|
21 |
getauxstride = (src -> gx_pixelmap_width + 7) >> 3; |
565 |
|
|
|
566 |
|
21 |
width = src -> gx_pixelmap_height; |
567 |
|
21 |
height = src -> gx_pixelmap_width; |
568 |
|
|
|
569 |
✓✓ |
21 |
if (angle == 180) |
570 |
|
|
{ |
571 |
|
7 |
GX_SWAP_VALS(width, height); |
572 |
|
|
} |
573 |
|
|
|
574 |
|
21 |
putstride = (width + 1) >> 1; |
575 |
|
21 |
putauxstride = (width + 7) >> 3; |
576 |
|
|
|
577 |
|
|
/* Safe int math is not required here, calling function limits max width, height to 14 bits so |
578 |
|
|
overflow cannot occur. */ |
579 |
|
21 |
destination -> gx_pixelmap_data_size = (UINT)(putstride * height) * sizeof(GX_UBYTE); |
580 |
|
21 |
destination -> gx_pixelmap_data = (GX_UBYTE *)_gx_system_memory_allocator(destination -> gx_pixelmap_data_size); |
581 |
|
|
|
582 |
✓✓ |
21 |
if (destination -> gx_pixelmap_data == GX_NULL) |
583 |
|
|
{ |
584 |
|
6 |
return GX_SYSTEM_MEMORY_ERROR; |
585 |
|
|
} |
586 |
|
|
|
587 |
|
|
/* Safe int math is not required here, calling function limits max width, height to 14 bits so |
588 |
|
|
overflow cannot occur. */ |
589 |
|
15 |
destination -> gx_pixelmap_aux_data_size = (UINT)(putauxstride * height) * sizeof(GX_UBYTE); |
590 |
|
15 |
destination -> gx_pixelmap_aux_data = (GX_UBYTE *)_gx_system_memory_allocator(destination -> gx_pixelmap_aux_data_size); |
591 |
|
|
|
592 |
✓✓ |
15 |
if (destination -> gx_pixelmap_aux_data == GX_NULL) |
593 |
|
|
{ |
594 |
|
6 |
_gx_system_memory_free((void *)destination -> gx_pixelmap_data); |
595 |
|
6 |
return GX_SYSTEM_MEMORY_ERROR; |
596 |
|
|
} |
597 |
|
|
|
598 |
✓✓ |
9 |
if (angle == 90) |
599 |
|
|
{ |
600 |
|
3 |
putrow = (GX_UBYTE *)destination -> gx_pixelmap_data; |
601 |
|
3 |
putauxrow = (GX_UBYTE *)destination -> gx_pixelmap_aux_data; |
602 |
|
|
|
603 |
✓✓ |
588 |
for (y = 0; y < height; y++) |
604 |
|
|
{ |
605 |
|
585 |
put = putrow; |
606 |
|
585 |
putaux = putauxrow; |
607 |
|
585 |
putmask = 0xf0; |
608 |
|
585 |
putauxmask = 0x80; |
609 |
✓✓ |
156780 |
for (x = 0; x < width; x++) |
610 |
|
|
{ |
611 |
|
|
/* set bits first. */ |
612 |
|
156195 |
*put &= (GX_UBYTE)(~putmask); |
613 |
|
156195 |
getaux = (GX_UBYTE *)src -> gx_pixelmap_aux_data; |
614 |
|
156195 |
getaux += (width - 1 - x) * getauxstride; |
615 |
|
156195 |
getaux += y >> 3; |
616 |
|
|
|
617 |
|
156195 |
transmask = (GX_UBYTE)(0x80 >> (y & 0x07)); |
618 |
✓✓ |
156195 |
if (transmask & (*getaux)) |
619 |
|
|
{ |
620 |
|
|
/* transparent pixel, set destination true */ |
621 |
|
47541 |
*putaux |= putauxmask; |
622 |
|
|
} |
623 |
|
|
else |
624 |
|
|
{ |
625 |
|
|
/* not transparent, set destination bit to 0. */ |
626 |
|
108654 |
*putaux &= (GX_UBYTE)(~putauxmask); |
627 |
|
|
|
628 |
|
108654 |
get = (GX_UBYTE *)src -> gx_pixelmap_data; |
629 |
|
108654 |
get += (width - 1 - x) * getstride; |
630 |
|
108654 |
get += y >> 1; |
631 |
|
|
|
632 |
✓✓ |
108654 |
if (y & 1) |
633 |
|
|
{ |
634 |
|
54306 |
pixel = *get & 0x0f; |
635 |
|
|
} |
636 |
|
|
else |
637 |
|
|
{ |
638 |
|
54348 |
pixel = (*get & 0xf0) >> 4; |
639 |
|
|
} |
640 |
|
108654 |
pixel |= (GX_UBYTE)(pixel << 4); |
641 |
|
|
|
642 |
|
|
/* set data. */ |
643 |
|
108654 |
*put |= pixel & putmask; |
644 |
|
|
} |
645 |
|
|
|
646 |
|
156195 |
putmask >>= 4; |
647 |
✓✓ |
156195 |
if (putmask == 0) |
648 |
|
|
{ |
649 |
|
77805 |
put++; |
650 |
|
77805 |
putmask = 0xf0; |
651 |
|
|
} |
652 |
|
156195 |
putauxmask >>= 1; |
653 |
✓✓ |
156195 |
if (putauxmask == 0) |
654 |
|
|
{ |
655 |
|
19305 |
putaux++; |
656 |
|
19305 |
putauxmask = 0x80; |
657 |
|
|
} |
658 |
|
|
} |
659 |
|
585 |
putrow += putstride; |
660 |
|
585 |
putauxrow += putauxstride; |
661 |
|
|
} |
662 |
|
|
|
663 |
✓✓✓✓
|
3 |
if (rot_cx && rot_cy) |
664 |
|
|
{ |
665 |
|
1 |
x = *rot_cx; |
666 |
|
1 |
y = *rot_cy; |
667 |
|
|
|
668 |
|
1 |
*rot_cx = (width - 1 - y); |
669 |
|
1 |
*rot_cy = x; |
670 |
|
|
} |
671 |
|
|
} |
672 |
✓✓ |
6 |
else if (angle == 180) |
673 |
|
|
{ |
674 |
|
3 |
putrow = (GX_UBYTE *)destination -> gx_pixelmap_data; |
675 |
|
3 |
putauxrow = (GX_UBYTE *)destination -> gx_pixelmap_aux_data; |
676 |
|
|
|
677 |
✓✓ |
804 |
for (y = 0; y < height; y++) |
678 |
|
|
{ |
679 |
|
801 |
put = putrow; |
680 |
|
801 |
putaux = putauxrow; |
681 |
|
801 |
putmask = 0xf0; |
682 |
|
801 |
putauxmask = 0x80; |
683 |
✓✓ |
156996 |
for (x = 0; x < width; x++) |
684 |
|
|
{ |
685 |
|
|
/* set bits first. */ |
686 |
|
156195 |
*put &= (GX_UBYTE)(~putmask); |
687 |
|
156195 |
getaux = (GX_UBYTE *)src -> gx_pixelmap_aux_data; |
688 |
|
156195 |
getaux += (height - 1 - y) * getauxstride; |
689 |
|
156195 |
getaux += (width - 1 - x) >> 3; |
690 |
|
|
|
691 |
|
156195 |
transmask = (GX_UBYTE)(0x80 >> ((width - 1 - x) & 0x07)); |
692 |
✓✓ |
156195 |
if (transmask & (*getaux)) |
693 |
|
|
{ |
694 |
|
|
/* transparent pixel, set destination true */ |
695 |
|
47541 |
*putaux |= putauxmask; |
696 |
|
|
} |
697 |
|
|
else |
698 |
|
|
{ |
699 |
|
|
/* not transparent, set destination bit to 0. */ |
700 |
|
108654 |
*putaux &= (GX_UBYTE)(~putauxmask); |
701 |
|
|
|
702 |
|
108654 |
get = (GX_UBYTE *)src -> gx_pixelmap_data; |
703 |
|
108654 |
get += (height - 1 - y) * getstride; |
704 |
|
108654 |
get += (width - 1 - x) >> 1; |
705 |
|
|
|
706 |
✓✓ |
108654 |
if ((width - 1 - x) & 1) |
707 |
|
|
{ |
708 |
|
54306 |
pixel = *get & 0x0f; |
709 |
|
|
} |
710 |
|
|
else |
711 |
|
|
{ |
712 |
|
54348 |
pixel = (*get & 0xf0) >> 4; |
713 |
|
|
} |
714 |
|
108654 |
pixel |= (GX_UBYTE)(pixel << 4); |
715 |
|
108654 |
*put |= pixel & putmask; |
716 |
|
|
} |
717 |
|
156195 |
putmask >>= 4; |
718 |
✓✓ |
156195 |
if (putmask == 0) |
719 |
|
|
{ |
720 |
|
77697 |
put++; |
721 |
|
77697 |
putmask = 0xf0; |
722 |
|
|
} |
723 |
|
156195 |
putauxmask >>= 1; |
724 |
✓✓ |
156195 |
if (putauxmask == 0) |
725 |
|
|
{ |
726 |
|
19224 |
putaux++; |
727 |
|
19224 |
putauxmask = 0x80; |
728 |
|
|
} |
729 |
|
|
} |
730 |
|
801 |
putrow += putstride; |
731 |
|
801 |
putauxrow += putauxstride; |
732 |
|
|
} |
733 |
✓✓✓✓
|
3 |
if (rot_cx && rot_cy) |
734 |
|
|
{ |
735 |
|
1 |
x = *rot_cx; |
736 |
|
1 |
y = *rot_cy; |
737 |
|
|
|
738 |
|
1 |
*rot_cx = (width - 1 - x); |
739 |
|
1 |
*rot_cy = (height - 1 - y); |
740 |
|
|
} |
741 |
|
|
} |
742 |
|
|
else |
743 |
|
|
{ |
744 |
|
|
/* angle = 270. */ |
745 |
|
3 |
putrow = (GX_UBYTE *)destination -> gx_pixelmap_data; |
746 |
|
3 |
putauxrow = (GX_UBYTE *)destination -> gx_pixelmap_aux_data; |
747 |
|
|
|
748 |
✓✓ |
588 |
for (y = 0; y < height; y++) |
749 |
|
|
{ |
750 |
|
585 |
put = putrow; |
751 |
|
585 |
putaux = putauxrow; |
752 |
|
585 |
putmask = 0xf0; |
753 |
|
585 |
putauxmask = 0x80; |
754 |
|
|
|
755 |
✓✓ |
156780 |
for (x = 0; x < width; x++) |
756 |
|
|
{ |
757 |
|
|
/* set bits first. */ |
758 |
|
156195 |
*put &= (GX_UBYTE)(~putmask); |
759 |
|
156195 |
getaux = (GX_UBYTE *)src -> gx_pixelmap_aux_data; |
760 |
|
156195 |
getaux += x * getauxstride; |
761 |
|
156195 |
getaux += (height - 1 - y) >> 3; |
762 |
|
|
|
763 |
|
156195 |
transmask = (GX_UBYTE)(0x80 >> ((height - 1 - y) & 0x07)); |
764 |
✓✓ |
156195 |
if (transmask & (*getaux)) |
765 |
|
|
{ |
766 |
|
|
/* transparent pixel, set destination true */ |
767 |
|
47541 |
*putaux |= putauxmask; |
768 |
|
|
} |
769 |
|
|
else |
770 |
|
|
{ |
771 |
|
|
/* not transparent, set destination bit to 0. */ |
772 |
|
108654 |
*putaux &= (GX_UBYTE)(~putauxmask); |
773 |
|
|
|
774 |
|
108654 |
get = (GX_UBYTE *)src -> gx_pixelmap_data; |
775 |
|
108654 |
get += x * getstride; |
776 |
|
108654 |
get += (height - 1 - y) >> 1; |
777 |
|
|
|
778 |
✓✓ |
108654 |
if ((height - 1 - y) & 1) |
779 |
|
|
{ |
780 |
|
54306 |
pixel = *get & 0x0f; |
781 |
|
|
} |
782 |
|
|
else |
783 |
|
|
{ |
784 |
|
54348 |
pixel = (*get & 0xf0) >> 4; |
785 |
|
|
} |
786 |
|
108654 |
pixel |= (GX_UBYTE)(pixel << 4); |
787 |
|
108654 |
*put |= pixel & putmask; |
788 |
|
|
} |
789 |
|
156195 |
putmask >>= 4; |
790 |
✓✓ |
156195 |
if (putmask == 0) |
791 |
|
|
{ |
792 |
|
77805 |
put++; |
793 |
|
77805 |
putmask = 0xf0; |
794 |
|
|
} |
795 |
|
156195 |
putauxmask >>= 1; |
796 |
✓✓ |
156195 |
if (putauxmask == 0) |
797 |
|
|
{ |
798 |
|
19305 |
putaux++; |
799 |
|
19305 |
putauxmask = 0x80; |
800 |
|
|
} |
801 |
|
|
} |
802 |
|
585 |
putrow += putstride; |
803 |
|
585 |
putauxrow += putauxstride; |
804 |
|
|
} |
805 |
|
|
|
806 |
✓✓✓✓
|
3 |
if (rot_cx && rot_cy) |
807 |
|
|
{ |
808 |
|
1 |
x = *rot_cx; |
809 |
|
1 |
y = *rot_cy; |
810 |
|
|
|
811 |
|
1 |
*rot_cx = y; |
812 |
|
1 |
*rot_cy = (height - 1 - x); |
813 |
|
|
} |
814 |
|
|
} |
815 |
|
|
|
816 |
|
9 |
destination -> gx_pixelmap_height = (GX_VALUE)height; |
817 |
|
9 |
destination -> gx_pixelmap_width = (GX_VALUE)width; |
818 |
|
|
|
819 |
|
9 |
return GX_SUCCESS; |
820 |
|
|
} |
821 |
|
|
/**************************************************************************/ |
822 |
|
|
/* */ |
823 |
|
|
/* FUNCTION RELEASE */ |
824 |
|
|
/* */ |
825 |
|
|
/* _gx_utility_4bpp_pixelmap_simple_rotate PORTABLE C */ |
826 |
|
|
/* 6.1 */ |
827 |
|
|
/* AUTHOR */ |
828 |
|
|
/* */ |
829 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
830 |
|
|
/* */ |
831 |
|
|
/* DESCRIPTION */ |
832 |
|
|
/* */ |
833 |
|
|
/* Internal helper function that handles 90, 180 and 270 degree */ |
834 |
|
|
/* rotation of an uncompressed pixelmap with or wihout alpha. */ |
835 |
|
|
/* */ |
836 |
|
|
/* INPUT */ |
837 |
|
|
/* */ |
838 |
|
|
/* src The pixelmap to be rotated */ |
839 |
|
|
/* angle The angle to be rotated */ |
840 |
|
|
/* destination The rotated bitmap to be */ |
841 |
|
|
/* returned */ |
842 |
|
|
/* rot_cx X coordinate of rotation */ |
843 |
|
|
/* center */ |
844 |
|
|
/* rot_cy Y coordinate of rotation */ |
845 |
|
|
/* center */ |
846 |
|
|
/* */ |
847 |
|
|
/* OUTPUT */ |
848 |
|
|
/* */ |
849 |
|
|
/* None */ |
850 |
|
|
/* */ |
851 |
|
|
/* CALLS */ |
852 |
|
|
/* */ |
853 |
|
|
/* _gx_utility_4bpp_pixelmap_simple_transparent_rotate */ |
854 |
|
|
/* Real pixelmap rotate function */ |
855 |
|
|
/* _gx_utility_4bpp_pixelmap_simple_raw_rotate */ |
856 |
|
|
/* Real pixelmap rotate function */ |
857 |
|
|
/* */ |
858 |
|
|
/* CALLED BY */ |
859 |
|
|
/* */ |
860 |
|
|
/* GUIX Internal Code */ |
861 |
|
|
/* */ |
862 |
|
|
/* RELEASE HISTORY */ |
863 |
|
|
/* */ |
864 |
|
|
/* DATE NAME DESCRIPTION */ |
865 |
|
|
/* */ |
866 |
|
|
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
867 |
|
|
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
868 |
|
|
/* resulting in version 6.1 */ |
869 |
|
|
/* */ |
870 |
|
|
/**************************************************************************/ |
871 |
|
60 |
UINT _gx_utility_4bpp_pixelmap_simple_rotate(GX_PIXELMAP *src, INT angle, GX_PIXELMAP *destination, INT *rot_cx, INT *rot_cy) |
872 |
|
|
{ |
873 |
|
|
UINT status; |
874 |
|
|
|
875 |
✓✓ |
60 |
if (src -> gx_pixelmap_flags & GX_PIXELMAP_TRANSPARENT) |
876 |
|
|
{ |
877 |
|
|
/* with transparent, no compression */ |
878 |
|
21 |
status = _gx_utility_4bpp_pixelmap_simple_transparent_rotate(src, angle, destination, rot_cx, rot_cy); |
879 |
|
|
} |
880 |
|
|
else |
881 |
|
|
{ |
882 |
|
|
/* no compression or transparent */ |
883 |
|
39 |
status = _gx_utility_4bpp_pixelmap_simple_raw_rotate(src, angle, destination, rot_cx, rot_cy); |
884 |
|
|
} |
885 |
|
|
|
886 |
|
60 |
return status; |
887 |
|
|
} |
888 |
|
|
|