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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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/** 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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#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_display_driver_1bpp_pixelmap_raw_rotate PORTABLE C */ |
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/* 6.1.10 */ |
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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 rotates an uncompressed pixelmap */ |
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/* without transparency. */ |
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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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/* angle The angle to rotate */ |
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/* cx x-coord of rotate center */ |
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/* cy y-coord of rotate 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_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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/* _gx_display_driver_1bpp_pixelmap_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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/* 01-31-2022 Ting Zhu Modified comment(s), */ |
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/* corrected logic, */ |
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/* resulting in version 6.1.10 */ |
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/* */ |
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/**************************************************************************/ |
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static VOID _gx_display_driver_1bpp_pixelmap_raw_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
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INT angle, INT cx, INT 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; |
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INT idxmaxx; |
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INT 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 x; |
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INT y; |
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INT xx; |
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INT yy; |
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GX_RECTANGLE *clip; |
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INT newxpos; |
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INT newypos; |
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GX_UBYTE putmask; |
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GX_UBYTE getmask; |
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INT putstride; |
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INT getstride; |
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clip = context -> gx_draw_context_clip; |
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/* Set transparent color. */ |
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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 = pixelmap -> gx_pixelmap_width >> 1; |
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srcyres = pixelmap -> 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((int)(mx[idxmaxx] * (srcxres + 2) * cosv - my[idxmaxx] * (srcyres + 2) * sinv)); |
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yres = GX_FIXED_VAL_TO_INT((int)(my[idxmaxy] * (srcyres + 2) * cosv + mx[idxmaxy] * (srcxres + 2) * sinv)); |
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getstride = (pixelmap -> gx_pixelmap_width + 7) >> 3; |
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putstride = (context -> gx_draw_context_pitch + 7) >> 3; |
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putrow = (GX_UBYTE *)context -> gx_draw_context_memory; |
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putrow += clip -> gx_rectangle_top * putstride; |
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putrow += clip -> gx_rectangle_left >> 3; |
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/* Calculate the new rotation axis. */ |
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xres = GX_FIXED_VAL_TO_INT((cx - srcxres) * cosv - (cy - srcyres) * sinv) + xres; |
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yres = GX_FIXED_VAL_TO_INT((cy - srcyres) * cosv + (cx - srcxres) * sinv) + yres; |
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newxpos = xpos + cx - xres; |
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newypos = ypos + cy - yres; |
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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 = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
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{ |
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put = putrow; |
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putmask = (GX_UBYTE)(0x80 >> (clip -> gx_rectangle_left & 0x07)); |
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✓✓ |
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for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
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{ |
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xx = (x - xres) * cosv + (y - yres) * sinv; |
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yy = (y - yres) * cosv - (x - xres) * sinv; |
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xx = GX_FIXED_VAL_TO_INT(xx) + cx; |
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yy = GX_FIXED_VAL_TO_INT(yy) + cy; |
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✓✓✓✓
✓✓ |
34298053 |
if ((xx >= 0) && (xx < pixelmap -> gx_pixelmap_width) && |
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✓✓ |
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(yy >= 0) && (yy < pixelmap -> gx_pixelmap_height)) |
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{ |
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get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data; |
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get += yy * getstride; |
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get += xx >> 3; |
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getmask = (GX_UBYTE)(0x80 >> (xx & 0x07)); |
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✓✓ |
19177278 |
if ((*get) & getmask) |
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{ |
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*put |= putmask; |
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} |
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else |
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{ |
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*put = (GX_UBYTE)(*put & (~putmask)); |
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} |
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} |
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34298053 |
putmask >>= 1; |
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✓✓ |
34298053 |
if (putmask == 0) |
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{ |
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put++; |
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putmask = 0x80; |
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} |
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} |
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putrow += putstride; |
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} |
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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_display_driver_1bpp_pixelmap_transparent_rotate PORTABLE C */ |
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/* 6.1.10 */ |
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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 rotate an uncompressed pixelmap */ |
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/* with transparent info. */ |
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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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/* angle The angle to rotate */ |
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/* rot_cx x-coord of rotate center */ |
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/* rot_cy y-coord of rotate 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_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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/* _gx_display_driver_1bpp_pixelmap_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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/* 01-31-2022 Ting Zhu Modified comment(s), */ |
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/* corrected logic, */ |
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/* resulting in version 6.1.10 */ |
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/* */ |
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/**************************************************************************/ |
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static VOID _gx_display_driver_1bpp_pixelmap_transparent_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
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INT angle, INT cx, INT 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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GX_UBYTE putmask; |
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GX_UBYTE transmask; |
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GX_UBYTE getmask; |
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INT putstride; |
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INT getstride; |
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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; |
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INT idxmaxx; |
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INT 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 x; |
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INT y; |
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INT xx; |
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INT yy; |
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GX_RECTANGLE *clip; |
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INT newxpos; |
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INT newypos; |
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clip = context -> gx_draw_context_clip; |
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putstride = (context -> gx_draw_context_pitch + 7) >> 3; |
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getstride = (pixelmap -> gx_pixelmap_width + 3) >> 2; |
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/* Set transparent color. */ |
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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 = pixelmap -> gx_pixelmap_width >> 1; |
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srcyres = pixelmap -> 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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putrow = (GX_UBYTE *)context -> gx_draw_context_memory; |
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putrow += clip -> gx_rectangle_top * putstride; |
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putrow += clip -> gx_rectangle_left >> 3; |
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/* Calculate the new rotation axis. */ |
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xres = GX_FIXED_VAL_TO_INT((cx - srcxres) * cosv - (cy - srcyres) * sinv) + xres; |
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yres = GX_FIXED_VAL_TO_INT((cy - srcyres) * cosv + (cx - srcxres) * sinv) + yres; |
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newxpos = xpos + cx - xres; |
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newypos = ypos + cy - yres; |
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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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✓✓ |
166948 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
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{ |
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166236 |
put = putrow; |
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putmask = (GX_UBYTE)(0x80 >> (clip -> gx_rectangle_left & 0x07)); |
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|
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✓✓ |
44643251 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
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{ |
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44477015 |
xx = GX_FIXED_VAL_TO_INT((x - xres) * cosv + (y - yres) * sinv) + cx; |
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44477015 |
yy = GX_FIXED_VAL_TO_INT((y - yres) * cosv - (x - xres) * sinv) + cy; |
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|
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✓✓✓✓
✓✓ |
44477015 |
if ((xx >= 0) && (xx < pixelmap -> gx_pixelmap_width) && |
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✓✓ |
30360721 |
(yy >= 0) && (yy < pixelmap -> gx_pixelmap_height)) |
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{ |
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26410992 |
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data; |
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26410992 |
get += yy * getstride; |
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26410992 |
get += xx >> 2; |
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26410992 |
transmask = (GX_UBYTE)(0x40 >> ((xx & 0x03) << 1)); |
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✓✓ |
26410992 |
if (transmask & (*get)) |
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{ |
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16141951 |
getmask = (GX_UBYTE)(transmask << 1); |
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✓✓ |
16141951 |
if ((*get) & getmask) |
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{ |
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5988038 |
*put |= putmask; |
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} |
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else |
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{ |
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10153913 |
*put = (GX_UBYTE)(*put & (~putmask)); |
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} |
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} |
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} |
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44477015 |
putmask >>= 1; |
328 |
✓✓ |
44477015 |
if (putmask == 0) |
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{ |
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5553005 |
put++; |
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5553005 |
putmask = 0x80; |
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} |
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} |
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166236 |
putrow += putstride; |
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} |
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712 |
} |
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|
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/**************************************************************************/ |
339 |
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/* */ |
340 |
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/* FUNCTION RELEASE */ |
341 |
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/* */ |
342 |
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/* _gx_display_driver_1bpp_pixelmap_simple_rotate PORTABLE C */ |
343 |
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/* 6.1.7 */ |
344 |
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/* AUTHOR */ |
345 |
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/* */ |
346 |
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/* Kenneth Maxwell, Microsoft Corporation */ |
347 |
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/* */ |
348 |
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/* DESCRIPTION */ |
349 |
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/* */ |
350 |
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/* Internal help function that hangles 90, 180 and 270 degree pixelmap */ |
351 |
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/* rotation. */ |
352 |
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/* */ |
353 |
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/* INPUT */ |
354 |
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/* */ |
355 |
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/* context Drawing context */ |
356 |
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/* xpos x-coord of top-left draw point*/ |
357 |
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/* ypos y-coord of top-left draw point*/ |
358 |
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/* pixelmap Pointer to GX_PIXELMAP struct */ |
359 |
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/* angle The angle to rotate */ |
360 |
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/* rot_cx x-coord of rotate center */ |
361 |
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/* rot_cy y-coord of rotate center */ |
362 |
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/* */ |
363 |
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/* OUTPUT */ |
364 |
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/* */ |
365 |
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/* status Completion status */ |
366 |
|
|
/* */ |
367 |
|
|
/* CALLS */ |
368 |
|
|
/* */ |
369 |
|
|
/* None */ |
370 |
|
|
/* */ |
371 |
|
|
/* CALLED BY */ |
372 |
|
|
/* */ |
373 |
|
|
/* _gx_display_driver_1bpp_pixelmap_rotate */ |
374 |
|
|
/* */ |
375 |
|
|
/* RELEASE HISTORY */ |
376 |
|
|
/* */ |
377 |
|
|
/* DATE NAME DESCRIPTION */ |
378 |
|
|
/* */ |
379 |
|
|
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
380 |
|
|
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
381 |
|
|
/* resulting in version 6.1 */ |
382 |
|
|
/* 06-02-2021 Kenneth Maxwell Modified comment(s), */ |
383 |
|
|
/* removed unused variable */ |
384 |
|
|
/* assignment, */ |
385 |
|
|
/* resulting in version 6.1.7 */ |
386 |
|
|
/* */ |
387 |
|
|
/**************************************************************************/ |
388 |
|
6 |
static VOID _gx_display_driver_1bpp_pixelmap_simple_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
389 |
|
|
INT angle, INT cx, INT cy) |
390 |
|
|
{ |
391 |
|
|
GX_UBYTE *putrow; |
392 |
|
|
GX_UBYTE *put; |
393 |
|
|
GX_UBYTE putmask; |
394 |
|
|
GX_UBYTE *get; |
395 |
|
|
GX_UBYTE getmask; |
396 |
|
|
INT putstride; |
397 |
|
|
INT width; |
398 |
|
|
INT height; |
399 |
|
|
INT x; |
400 |
|
|
INT y; |
401 |
|
|
GX_RECTANGLE *clip; |
402 |
|
|
INT newxpos; |
403 |
|
|
INT newypos; |
404 |
|
|
|
405 |
|
6 |
clip = context -> gx_draw_context_clip; |
406 |
|
6 |
putstride = (context -> gx_draw_context_pitch + 7) >> 3; |
407 |
|
|
|
408 |
|
6 |
putrow = (GX_UBYTE *)context -> gx_draw_context_memory; |
409 |
|
6 |
putrow += clip -> gx_rectangle_top * putstride; |
410 |
|
6 |
putrow += clip -> gx_rectangle_left >> 3; |
411 |
|
|
|
412 |
✓✓ |
6 |
if (angle == 90) |
413 |
|
|
{ |
414 |
|
2 |
width = pixelmap -> gx_pixelmap_height; |
415 |
|
2 |
height = (pixelmap -> gx_pixelmap_width + 7) >> 3; |
416 |
|
|
|
417 |
|
2 |
newxpos = xpos + cx - (width - 1 - cy); |
418 |
|
2 |
newypos = ypos + cy - cx; |
419 |
|
|
|
420 |
✓✓ |
473 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
421 |
|
|
{ |
422 |
|
471 |
put = putrow; |
423 |
|
471 |
putmask = (GX_UBYTE)(0x80 >> (clip -> gx_rectangle_left & 0x07)); |
424 |
|
|
|
425 |
✓✓ |
59817 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
426 |
|
|
{ |
427 |
|
59346 |
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data; |
428 |
|
59346 |
get += (width - 1 - x) * height; |
429 |
|
59346 |
get += y >> 3; |
430 |
|
|
|
431 |
|
59346 |
getmask = (GX_UBYTE)(0x80 >> (y & 0x07)); |
432 |
|
|
|
433 |
✓✓ |
59346 |
if ((*get) & getmask) |
434 |
|
|
{ |
435 |
|
25869 |
*put |= putmask; |
436 |
|
|
} |
437 |
|
|
else |
438 |
|
|
{ |
439 |
|
33477 |
*put = (GX_UBYTE)(*put & (~putmask)); |
440 |
|
|
} |
441 |
|
|
|
442 |
|
59346 |
putmask >>= 1; |
443 |
✓✓ |
59346 |
if (putmask == 0) |
444 |
|
|
{ |
445 |
|
7536 |
putmask = 0x80; |
446 |
|
7536 |
put++; |
447 |
|
|
} |
448 |
|
|
} |
449 |
|
471 |
putrow += putstride; |
450 |
|
|
} |
451 |
|
|
} |
452 |
✓✓ |
4 |
else if (angle == 180) |
453 |
|
|
{ |
454 |
|
2 |
width = pixelmap -> gx_pixelmap_width; |
455 |
|
2 |
height = pixelmap -> gx_pixelmap_height; |
456 |
|
|
|
457 |
|
2 |
newxpos = xpos + cx - (width - 1 - cx); |
458 |
|
2 |
newypos = ypos + cy - (height - 1 - cy); |
459 |
|
|
|
460 |
✓✓ |
235 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
461 |
|
|
{ |
462 |
|
233 |
putmask = (GX_UBYTE)(0x80 >> (clip -> gx_rectangle_left & 0x07)); |
463 |
|
233 |
put = putrow; |
464 |
|
|
|
465 |
✓✓ |
51552 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
466 |
|
|
{ |
467 |
|
51319 |
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data; |
468 |
|
51319 |
get += (height - 1 - y) * ((width + 7) >> 3); |
469 |
|
51319 |
get += (width - 1 - x) >> 3; |
470 |
|
|
|
471 |
|
51319 |
getmask = (GX_UBYTE)(0x80 >> ((width - 1 - x) & 0x07)); |
472 |
|
|
|
473 |
✓✓ |
51319 |
if ((*get) & getmask) |
474 |
|
|
{ |
475 |
|
22704 |
*put |= putmask; |
476 |
|
|
} |
477 |
|
|
else |
478 |
|
|
{ |
479 |
|
28615 |
*put = (GX_UBYTE)(*put & (~putmask)); |
480 |
|
|
} |
481 |
|
|
|
482 |
|
51319 |
putmask >>= 1; |
483 |
✓✓ |
51319 |
if (putmask == 0) |
484 |
|
|
{ |
485 |
|
6455 |
putmask = 0x80; |
486 |
|
6455 |
put++; |
487 |
|
|
} |
488 |
|
|
} |
489 |
|
233 |
putrow += putstride; |
490 |
|
|
} |
491 |
|
|
} |
492 |
|
|
else |
493 |
|
|
{ |
494 |
|
2 |
height = pixelmap -> gx_pixelmap_width; |
495 |
|
|
|
496 |
|
2 |
newxpos = xpos + cx - cy; |
497 |
|
2 |
newypos = ypos + cx - (height - 1 - cy); |
498 |
|
|
|
499 |
✓✓ |
349 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
500 |
|
|
{ |
501 |
|
347 |
putmask = (GX_UBYTE)(0x80 >> (clip -> gx_rectangle_left & 0x07)); |
502 |
|
347 |
put = putrow; |
503 |
|
|
|
504 |
✓✓ |
44069 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
505 |
|
|
{ |
506 |
|
43722 |
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data; |
507 |
|
43722 |
get += x * ((height + 7) >> 3); |
508 |
|
43722 |
get += (height - 1 - y) >> 3; |
509 |
|
|
|
510 |
|
43722 |
getmask = (GX_UBYTE)(0x80 >> ((height - 1 - y) & 0x07)); |
511 |
|
|
|
512 |
✓✓ |
43722 |
if ((*get) & getmask) |
513 |
|
|
{ |
514 |
|
17931 |
*put |= putmask; |
515 |
|
|
} |
516 |
|
|
else |
517 |
|
|
{ |
518 |
|
25791 |
*put = (GX_UBYTE)(*put & (~putmask)); |
519 |
|
|
} |
520 |
|
|
|
521 |
|
43722 |
putmask >>= 1; |
522 |
✓✓ |
43722 |
if (putmask == 0) |
523 |
|
|
{ |
524 |
|
5312 |
putmask = 0x80; |
525 |
|
5312 |
put++; |
526 |
|
|
} |
527 |
|
|
} |
528 |
|
|
|
529 |
|
347 |
putrow += putstride; |
530 |
|
|
} |
531 |
|
|
} |
532 |
|
6 |
} |
533 |
|
|
/**************************************************************************/ |
534 |
|
|
/* */ |
535 |
|
|
/* FUNCTION RELEASE */ |
536 |
|
|
/* */ |
537 |
|
|
/* _gx_display_driver_1bpp_pixelmap_simple_transparent_rotate */ |
538 |
|
|
/* PORTABLE C */ |
539 |
|
|
/* 6.1.7 */ |
540 |
|
|
/* AUTHOR */ |
541 |
|
|
/* */ |
542 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
543 |
|
|
/* */ |
544 |
|
|
/* DESCRIPTION */ |
545 |
|
|
/* */ |
546 |
|
|
/* Internal help function that hangles 90, 180 and 270 degree pixelmap */ |
547 |
|
|
/* rotation. */ |
548 |
|
|
/* */ |
549 |
|
|
/* INPUT */ |
550 |
|
|
/* */ |
551 |
|
|
/* context Drawing context */ |
552 |
|
|
/* xpos x-coord of top-left draw point*/ |
553 |
|
|
/* ypos y-coord of top-left draw point*/ |
554 |
|
|
/* pixelmap Pointer to GX_PIXELMAP struct */ |
555 |
|
|
/* angle The angle to rotate */ |
556 |
|
|
/* rot_cx x-coord of rotate center */ |
557 |
|
|
/* rot_cy y-coord of rotate center */ |
558 |
|
|
/* */ |
559 |
|
|
/* OUTPUT */ |
560 |
|
|
/* */ |
561 |
|
|
/* status Completion status */ |
562 |
|
|
/* */ |
563 |
|
|
/* CALLS */ |
564 |
|
|
/* */ |
565 |
|
|
/* None */ |
566 |
|
|
/* */ |
567 |
|
|
/* CALLED BY */ |
568 |
|
|
/* */ |
569 |
|
|
/* _gx_display_driver_1bpp_pixelmap_rotate */ |
570 |
|
|
/* */ |
571 |
|
|
/* RELEASE HISTORY */ |
572 |
|
|
/* */ |
573 |
|
|
/* DATE NAME DESCRIPTION */ |
574 |
|
|
/* */ |
575 |
|
|
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
576 |
|
|
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
577 |
|
|
/* resulting in version 6.1 */ |
578 |
|
|
/* 06-02-2021 Kenneth Maxwell Modified comment(s), */ |
579 |
|
|
/* removed unused variable */ |
580 |
|
|
/* assignment, */ |
581 |
|
|
/* resulting in version 6.1.7 */ |
582 |
|
|
/* */ |
583 |
|
|
/**************************************************************************/ |
584 |
|
6 |
static VOID _gx_display_driver_1bpp_pixelmap_simple_transparent_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
585 |
|
|
INT angle, INT cx, INT cy) |
586 |
|
|
{ |
587 |
|
|
GX_UBYTE *get; |
588 |
|
|
INT width; |
589 |
|
|
INT height; |
590 |
|
|
INT x; |
591 |
|
|
INT y; |
592 |
|
|
GX_RECTANGLE *clip; |
593 |
|
|
INT newxpos; |
594 |
|
|
INT newypos; |
595 |
|
|
GX_UBYTE *put; |
596 |
|
|
GX_UBYTE *putrow; |
597 |
|
|
INT putstride; |
598 |
|
|
GX_UBYTE putmask; |
599 |
|
|
INT getstride; |
600 |
|
|
GX_UBYTE transmask; |
601 |
|
|
GX_UBYTE getmask; |
602 |
|
|
|
603 |
|
6 |
clip = context -> gx_draw_context_clip; |
604 |
|
|
/* 1bpp transparent pixelmap is stored as one bit color, one bit trans-mask. */ |
605 |
|
6 |
getstride = (pixelmap -> gx_pixelmap_width + 3) >> 2; |
606 |
|
6 |
putstride = (context -> gx_draw_context_pitch + 7) >> 3; |
607 |
|
6 |
putrow = (GX_UBYTE *)context -> gx_draw_context_memory; |
608 |
|
6 |
putrow += clip -> gx_rectangle_top * putstride; |
609 |
|
6 |
putrow += clip -> gx_rectangle_left >> 3; |
610 |
|
|
|
611 |
|
6 |
clip = context -> gx_draw_context_clip; |
612 |
|
|
|
613 |
✓✓ |
6 |
if (angle == 90) |
614 |
|
|
{ |
615 |
|
2 |
width = pixelmap -> gx_pixelmap_height; |
616 |
|
|
|
617 |
|
2 |
newxpos = xpos + cx - (width - 1 - cy); |
618 |
|
2 |
newypos = ypos + cy - cx; |
619 |
|
|
|
620 |
✓✓ |
377 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
621 |
|
|
{ |
622 |
|
375 |
put = putrow; |
623 |
|
375 |
putmask = (GX_UBYTE)(0x80 >> (clip -> gx_rectangle_left & 0x07)); |
624 |
|
|
|
625 |
|
375 |
transmask = (GX_UBYTE)(0x40 >> ((y & 0x03) << 1)); |
626 |
|
375 |
getmask = (GX_UBYTE)(transmask << 1); |
627 |
|
|
|
628 |
✓✓ |
79260 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
629 |
|
|
{ |
630 |
|
78885 |
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data; |
631 |
|
78885 |
get += (width - 1 - x) * getstride; |
632 |
|
78885 |
get += y >> 2; |
633 |
|
|
|
634 |
|
|
/* if not transparent, draw pixel. else skip. */ |
635 |
✓✓ |
78885 |
if (transmask & *(get)) |
636 |
|
|
{ |
637 |
✓✓ |
46717 |
if ((*get) & getmask) |
638 |
|
|
{ |
639 |
|
16750 |
*put |= putmask; |
640 |
|
|
} |
641 |
|
|
else |
642 |
|
|
{ |
643 |
|
29967 |
*put = (GX_UBYTE)(*put & (~putmask)); |
644 |
|
|
} |
645 |
|
|
} |
646 |
|
|
|
647 |
|
78885 |
putmask >>= 1; |
648 |
✓✓ |
78885 |
if (putmask == 0) |
649 |
|
|
{ |
650 |
|
9675 |
putmask = 0x80; |
651 |
|
9675 |
put++; |
652 |
|
|
} |
653 |
|
|
} |
654 |
|
375 |
putrow += putstride; |
655 |
|
|
} |
656 |
|
|
} |
657 |
✓✓ |
4 |
else if (angle == 180) |
658 |
|
|
{ |
659 |
|
2 |
width = pixelmap -> gx_pixelmap_width; |
660 |
|
2 |
height = pixelmap -> gx_pixelmap_height; |
661 |
|
|
|
662 |
|
2 |
newxpos = xpos + cx - (width - 1 - cx); |
663 |
|
2 |
newypos = ypos + cy - (height - 1 - cy); |
664 |
|
|
|
665 |
✓✓ |
365 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
666 |
|
|
{ |
667 |
|
363 |
put = putrow; |
668 |
|
363 |
putmask = (GX_UBYTE)(0x80 >> (clip -> gx_rectangle_left & 0x07)); |
669 |
|
|
|
670 |
✓✓ |
69708 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
671 |
|
|
{ |
672 |
|
69345 |
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data; |
673 |
|
69345 |
get += (height - 1 - y) * getstride; |
674 |
|
69345 |
get += (width - 1 - x) >> 2; |
675 |
|
|
|
676 |
|
69345 |
transmask = (GX_UBYTE)(0x40 >> (((width - 1 - x) & 0x03) << 1)); |
677 |
|
|
|
678 |
|
|
/* if not transparent, draw pixel. else skip. */ |
679 |
✓✓ |
69345 |
if (transmask & *(get)) |
680 |
|
|
{ |
681 |
|
44878 |
getmask = (GX_UBYTE)(transmask << 1); |
682 |
✓✓ |
44878 |
if ((*get) & getmask) |
683 |
|
|
{ |
684 |
|
16750 |
*put |= putmask; |
685 |
|
|
} |
686 |
|
|
else |
687 |
|
|
{ |
688 |
|
28128 |
*put = (GX_UBYTE)(*put & (~putmask)); |
689 |
|
|
} |
690 |
|
|
} |
691 |
|
|
|
692 |
|
69345 |
putmask >>= 1; |
693 |
✓✓ |
69345 |
if (putmask == 0) |
694 |
|
|
{ |
695 |
|
8787 |
putmask = 0x80; |
696 |
|
8787 |
put++; |
697 |
|
|
} |
698 |
|
|
} |
699 |
|
363 |
putrow += putstride; |
700 |
|
|
} |
701 |
|
|
} |
702 |
|
|
else |
703 |
|
|
{ |
704 |
|
2 |
height = pixelmap -> gx_pixelmap_width; |
705 |
|
|
|
706 |
|
2 |
newxpos = xpos + cx - cy; |
707 |
|
2 |
newypos = ypos + cy - (height - 1 - cx); |
708 |
|
|
|
709 |
✓✓ |
293 |
for (y = clip -> gx_rectangle_top - newypos; y <= clip -> gx_rectangle_bottom - newypos; y++) |
710 |
|
|
{ |
711 |
|
291 |
put = putrow; |
712 |
|
291 |
putmask = (GX_UBYTE)(0x80 >> (clip -> gx_rectangle_left & 0x07)); |
713 |
|
|
|
714 |
✓✓ |
66660 |
for (x = clip -> gx_rectangle_left - newxpos; x <= clip -> gx_rectangle_right - newxpos; x++) |
715 |
|
|
{ |
716 |
|
66369 |
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data; |
717 |
|
66369 |
get += x * getstride; |
718 |
|
66369 |
get += (height - 1 - y) >> 2; |
719 |
|
|
|
720 |
|
66369 |
transmask = (GX_UBYTE)(0x40 >> (((height - 1 - y) & 0x03) << 1)); |
721 |
|
|
|
722 |
|
|
/* if not transparent, draw pixel. else skip. */ |
723 |
✓✓ |
66369 |
if (transmask & *(get)) |
724 |
|
|
{ |
725 |
|
42907 |
getmask = (GX_UBYTE)(transmask << 1); |
726 |
✓✓ |
42907 |
if ((*get) & getmask) |
727 |
|
|
{ |
728 |
|
16750 |
*put |= putmask; |
729 |
|
|
} |
730 |
|
|
else |
731 |
|
|
{ |
732 |
|
26157 |
*put = (GX_UBYTE)(*put & (~putmask)); |
733 |
|
|
} |
734 |
|
|
} |
735 |
|
|
|
736 |
|
66369 |
putmask >>= 1; |
737 |
✓✓ |
66369 |
if (putmask == 0) |
738 |
|
|
{ |
739 |
|
8259 |
putmask = 0x80; |
740 |
|
8259 |
put++; |
741 |
|
|
} |
742 |
|
|
} |
743 |
|
291 |
putrow += putstride; |
744 |
|
|
} |
745 |
|
|
} |
746 |
|
6 |
} |
747 |
|
|
|
748 |
|
|
/**************************************************************************/ |
749 |
|
|
/* */ |
750 |
|
|
/* FUNCTION RELEASE */ |
751 |
|
|
/* */ |
752 |
|
|
/* _gx_display_driver_1bpp_pixelmap_rotate PORTABLE C */ |
753 |
|
|
/* 6.1 */ |
754 |
|
|
/* AUTHOR */ |
755 |
|
|
/* */ |
756 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
757 |
|
|
/* */ |
758 |
|
|
/* DESCRIPTION */ |
759 |
|
|
/* */ |
760 |
|
|
/* This service rotate a monochrome format pixelmap to canvas memory. */ |
761 |
|
|
/* */ |
762 |
|
|
/* INPUT */ |
763 |
|
|
/* */ |
764 |
|
|
/* context Drawing context */ |
765 |
|
|
/* xpos x-coord of top-left draw point*/ |
766 |
|
|
/* ypos y-coord of top-left draw point*/ |
767 |
|
|
/* pixelmap Pointer to GX_PIXELMAP struct */ |
768 |
|
|
/* angle The angle to rotate */ |
769 |
|
|
/* rot_cx x-coord of rotating center. */ |
770 |
|
|
/* rot_cy y-coord of rotationg center. */ |
771 |
|
|
/* */ |
772 |
|
|
/* OUTPUT */ |
773 |
|
|
/* */ |
774 |
|
|
/* status Completion status */ |
775 |
|
|
/* */ |
776 |
|
|
/* CALLS */ |
777 |
|
|
/* */ |
778 |
|
|
/* _gx_display_driver_1bpp_pixelmap_simple_transparent_rotate */ |
779 |
|
|
/* Real pixelmap rotate function */ |
780 |
|
|
/* which rotate image for 90, */ |
781 |
|
|
/* 180 and 270 degree */ |
782 |
|
|
/* _gx_display_driver_1bpp_pixelmap_simple_rotate */ |
783 |
|
|
/* Real pixelmap rotate function */ |
784 |
|
|
/* which rotate image for 90, */ |
785 |
|
|
/* 180 and 270 degree */ |
786 |
|
|
/* _gx_display_driver_1bpp_pixelmap_transparent_rotate */ |
787 |
|
|
/* Real pixelmap rotate function */ |
788 |
|
|
/* _gx_display_driver_1bpp_pixelmap_raw_rotate */ |
789 |
|
|
/* Real pixelmap rotate function */ |
790 |
|
|
/* */ |
791 |
|
|
/* CALLED BY */ |
792 |
|
|
/* */ |
793 |
|
|
/* Application Code */ |
794 |
|
|
/* GUIX Internal Code */ |
795 |
|
|
/* */ |
796 |
|
|
/* RELEASE HISTORY */ |
797 |
|
|
/* */ |
798 |
|
|
/* DATE NAME DESCRIPTION */ |
799 |
|
|
/* */ |
800 |
|
|
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
801 |
|
|
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
802 |
|
|
/* resulting in version 6.1 */ |
803 |
|
|
/* */ |
804 |
|
|
/**************************************************************************/ |
805 |
|
1436 |
VOID _gx_display_driver_1bpp_pixelmap_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
806 |
|
|
INT angle, INT rot_cx, INT rot_cy) |
807 |
|
|
{ |
808 |
✓✓ |
1436 |
if (angle % 90 == 0) |
809 |
|
|
{ |
810 |
|
|
/* Simple angle rotate: 90 degree, 180 degree and 270 degree. */ |
811 |
✓✓ |
12 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_TRANSPARENT) |
812 |
|
|
{ |
813 |
|
6 |
_gx_display_driver_1bpp_pixelmap_simple_transparent_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
814 |
|
|
} |
815 |
|
|
else |
816 |
|
|
{ |
817 |
|
6 |
_gx_display_driver_1bpp_pixelmap_simple_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
818 |
|
|
} |
819 |
|
|
} |
820 |
|
|
else |
821 |
|
|
{ |
822 |
✓✓ |
1424 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_TRANSPARENT) |
823 |
|
|
{ |
824 |
|
|
/* no compression or alpha */ |
825 |
|
712 |
_gx_display_driver_1bpp_pixelmap_transparent_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
826 |
|
|
} |
827 |
|
|
else |
828 |
|
|
{ |
829 |
|
|
/* no compression or alpha */ |
830 |
|
712 |
_gx_display_driver_1bpp_pixelmap_raw_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
831 |
|
|
} |
832 |
|
|
} |
833 |
|
|
|
834 |
|
1436 |
return; |
835 |
|
|
} |
836 |
|
|
|