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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* Copyright (c) 2026-present Eclipse ThreadX contributors |
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* |
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* This program and the accompanying materials are made available under the |
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* terms of the MIT License which is available at |
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* https://opensource.org/licenses/MIT. |
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* |
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* SPDX-License-Identifier: MIT |
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**************************************************************************/ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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/** */ |
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/** GUIX Component */ |
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/** */ |
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/** Display Management (Display) */ |
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/** */ |
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/**************************************************************************/ |
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#define GX_SOURCE_CODE |
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/* Include necessary system files. */ |
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#include "gx_api.h" |
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#include "gx_display.h" |
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#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_8bpp_rotated_pixelmap_raw_rotate PORTABLE C */ |
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/* 6.1.4 */ |
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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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/* without alpha. */ |
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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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/* None */ |
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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_8bpp_pixelmap_rotate */ |
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/* */ |
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/**************************************************************************/ |
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static VOID _gx_display_driver_8bpp_rotated_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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GX_RECTANGLE rotated_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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/* 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_height >> 1; |
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srcyres = pixelmap -> gx_pixelmap_width >> 1; |
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GX_SWAP_VALS(xpos, ypos); |
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GX_SWAP_VALS(cx, cy); |
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✓✓ |
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if (context->gx_draw_context_display->gx_display_rotation_angle == GX_SCREEN_ROTATION_CW) |
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{ |
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srcyres = pixelmap->gx_pixelmap_width - 1 - srcyres; |
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ypos = context->gx_draw_context_canvas->gx_canvas_x_resolution - ypos - pixelmap->gx_pixelmap_width; |
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cy = pixelmap->gx_pixelmap_width - cy - 1; |
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rotated_clip.gx_rectangle_left = clip->gx_rectangle_top; |
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rotated_clip.gx_rectangle_right = clip->gx_rectangle_bottom; |
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rotated_clip.gx_rectangle_top = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_x_resolution - 1 - clip->gx_rectangle_right); |
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rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_x_resolution - 1 - clip->gx_rectangle_left); |
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} |
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else |
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{ |
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srcxres = pixelmap->gx_pixelmap_height - 1 - srcxres; |
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xpos = context->gx_draw_context_canvas->gx_canvas_y_resolution - xpos - pixelmap->gx_pixelmap_height; |
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cx = pixelmap->gx_pixelmap_height - cx - 1; |
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rotated_clip.gx_rectangle_left = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_y_resolution - 1 - clip->gx_rectangle_bottom); |
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rotated_clip.gx_rectangle_right = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_y_resolution - 1 - clip->gx_rectangle_top); |
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rotated_clip.gx_rectangle_top = clip->gx_rectangle_left; |
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rotated_clip.gx_rectangle_bottom = clip->gx_rectangle_right; |
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} |
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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 += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch; |
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putrow += rotated_clip.gx_rectangle_left; |
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/* Calculate the new rotation axis. */ |
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x = GX_FIXED_VAL_TO_INT((cx - srcxres) * cosv - (cy - srcyres) * sinv); |
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y = GX_FIXED_VAL_TO_INT((cy - srcyres) * cosv + (cx - srcxres) * sinv); |
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x += xres; |
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y += yres; |
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newxpos = xpos + cx - x; |
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newypos = ypos + cy - y; |
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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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✓✓ |
169496 |
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++) |
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{ |
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168784 |
put = putrow; |
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✓✓ |
39729232 |
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; 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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39560448 |
xx += srcxres; |
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yy += srcyres; |
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✓✓✓✓
✓✓ |
39560448 |
if ((xx >= 0) && (xx < pixelmap -> gx_pixelmap_height) && |
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✓✓ |
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(yy >= 0) && (yy < pixelmap -> gx_pixelmap_width)) |
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{ |
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get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data; |
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get += yy * pixelmap -> gx_pixelmap_height; |
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get += xx; |
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*put = *get; |
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} |
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39560448 |
put++; |
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} |
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putrow += context -> gx_draw_context_pitch; |
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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_8bpp_rotated_pixelmap_transparent_rotate */ |
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/* PORTABLE C */ |
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/* 6.1.4 */ |
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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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/* without alpha. */ |
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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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/* None */ |
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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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/* GUIX Internal Code */ |
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/* */ |
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/**************************************************************************/ |
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static VOID _gx_display_driver_8bpp_rotated_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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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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GX_RECTANGLE rotated_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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/* 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_height >> 1; |
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srcyres = pixelmap -> gx_pixelmap_width >> 1; |
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GX_SWAP_VALS(xpos, ypos); |
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GX_SWAP_VALS(cx, cy); |
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✓✓ |
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if (context->gx_draw_context_display->gx_display_rotation_angle == GX_SCREEN_ROTATION_CW) |
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{ |
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srcyres = pixelmap->gx_pixelmap_width - 1 - srcyres; |
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ypos = context->gx_draw_context_canvas->gx_canvas_x_resolution - ypos - pixelmap->gx_pixelmap_width; |
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cy = pixelmap->gx_pixelmap_width - cy - 1; |
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rotated_clip.gx_rectangle_left = clip->gx_rectangle_top; |
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rotated_clip.gx_rectangle_right = clip->gx_rectangle_bottom; |
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rotated_clip.gx_rectangle_top = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_x_resolution - 1 - clip->gx_rectangle_right); |
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rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_x_resolution - 1 - clip->gx_rectangle_left); |
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} |
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else |
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{ |
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srcxres = pixelmap->gx_pixelmap_height - 1 - srcxres; |
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xpos = context->gx_draw_context_canvas->gx_canvas_y_resolution - xpos - pixelmap->gx_pixelmap_height; |
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cx = pixelmap->gx_pixelmap_height - cx - 1; |
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rotated_clip.gx_rectangle_left = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_y_resolution - 1 - clip->gx_rectangle_bottom); |
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rotated_clip.gx_rectangle_right = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_y_resolution - 1 - clip->gx_rectangle_top); |
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rotated_clip.gx_rectangle_top = clip->gx_rectangle_left; |
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rotated_clip.gx_rectangle_bottom = clip->gx_rectangle_right; |
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} |
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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 += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch; |
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putrow += rotated_clip.gx_rectangle_left; |
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/* Calculate the new rotation axis. */ |
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x = (cx - srcxres) * cosv - (cy - srcyres) * sinv; |
302 |
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y = (cy - srcyres) * cosv + (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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newxpos = xpos + cx - x; |
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712 |
newypos = ypos + cy - y; |
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/* For every pixel in destination bitmap, find its position in source bitmap, |
311 |
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and set the pixel with the value in source bitmap. */ |
312 |
✓✓ |
212088 |
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++) |
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{ |
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211376 |
put = putrow; |
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|
316 |
✓✓ |
63219344 |
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++) |
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{ |
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63007968 |
xx = GX_FIXED_VAL_TO_INT((x - xres) * cosv + (y - yres) * sinv); |
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63007968 |
yy = GX_FIXED_VAL_TO_INT((y - yres) * cosv - (x - xres) * sinv); |
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63007968 |
xx += srcxres; |
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63007968 |
yy += srcyres; |
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✓✓✓✓
✓✓ |
63007968 |
if ((xx >= 0) && (xx < pixelmap -> gx_pixelmap_height) && |
325 |
✓✓ |
45519322 |
(yy >= 0) && (yy < pixelmap -> gx_pixelmap_width)) |
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{ |
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37230728 |
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data; |
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37230728 |
get += yy * pixelmap -> gx_pixelmap_height; |
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37230728 |
get += xx; |
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|
331 |
✓✓ |
37230728 |
if ((*get) != pixelmap -> gx_pixelmap_transparent_color) |
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{ |
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25899334 |
*put = *get; |
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} |
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} |
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63007968 |
put++; |
337 |
|
|
} |
338 |
|
211376 |
putrow += context -> gx_draw_context_pitch; |
339 |
|
|
} |
340 |
|
712 |
} |
341 |
|
|
|
342 |
|
|
/**************************************************************************/ |
343 |
|
|
/* */ |
344 |
|
|
/* FUNCTION RELEASE */ |
345 |
|
|
/* */ |
346 |
|
|
/* _gx_display_driver_8bpp_rotated_pixelmap_simple_rotate */ |
347 |
|
|
/* PORTABLE C */ |
348 |
|
|
/* 6.1.4 */ |
349 |
|
|
/* AUTHOR */ |
350 |
|
|
/* */ |
351 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
352 |
|
|
/* */ |
353 |
|
|
/* DESCRIPTION */ |
354 |
|
|
/* */ |
355 |
|
|
/* Internal help function that hangles 90, 180 and 270 degree pixelmap */ |
356 |
|
|
/* rotation. */ |
357 |
|
|
/* */ |
358 |
|
|
/* INPUT */ |
359 |
|
|
/* */ |
360 |
|
|
/* context Drawing context */ |
361 |
|
|
/* xpos x-coord of top-left draw point*/ |
362 |
|
|
/* ypos y-coord of top-left draw point*/ |
363 |
|
|
/* pixelmap Pointer to GX_PIXELMAP struct */ |
364 |
|
|
/* angle The angle to rotate */ |
365 |
|
|
/* cx x-coord of rotate center */ |
366 |
|
|
/* cy y-coord of rotate center */ |
367 |
|
|
/* */ |
368 |
|
|
/* OUTPUT */ |
369 |
|
|
/* */ |
370 |
|
|
/* None */ |
371 |
|
|
/* */ |
372 |
|
|
/* CALLS */ |
373 |
|
|
/* */ |
374 |
|
|
/* None */ |
375 |
|
|
/* */ |
376 |
|
|
/* CALLED BY */ |
377 |
|
|
/* */ |
378 |
|
|
/* _gx_display_driver_8bpp_pixelmap_rotate */ |
379 |
|
|
/* */ |
380 |
|
|
/**************************************************************************/ |
381 |
|
6 |
static VOID _gx_display_driver_8bpp_rotated_pixelmap_simple_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
382 |
|
|
INT angle, INT cx, INT cy) |
383 |
|
|
{ |
384 |
|
|
GX_UBYTE *putrow; |
385 |
|
|
GX_UBYTE *put; |
386 |
|
|
GX_UBYTE *get; |
387 |
|
|
INT width; |
388 |
|
|
INT height; |
389 |
|
|
INT x; |
390 |
|
|
INT y; |
391 |
|
|
GX_RECTANGLE *clip; |
392 |
|
|
GX_RECTANGLE rotated_clip; |
393 |
|
|
INT newxpos; |
394 |
|
|
INT newypos; |
395 |
|
|
|
396 |
|
6 |
clip = context->gx_draw_context_clip; |
397 |
|
|
|
398 |
|
6 |
GX_SWAP_VALS(xpos, ypos); |
399 |
|
6 |
GX_SWAP_VALS(cx, cy); |
400 |
|
|
|
401 |
✓✓ |
6 |
if (context->gx_draw_context_display->gx_display_rotation_angle == GX_SCREEN_ROTATION_CW) |
402 |
|
|
{ |
403 |
|
3 |
ypos = context->gx_draw_context_canvas->gx_canvas_x_resolution - ypos - pixelmap->gx_pixelmap_width; |
404 |
|
3 |
cy = pixelmap->gx_pixelmap_width - cy - 1; |
405 |
|
|
|
406 |
|
3 |
rotated_clip.gx_rectangle_left = clip->gx_rectangle_top; |
407 |
|
3 |
rotated_clip.gx_rectangle_right = clip->gx_rectangle_bottom; |
408 |
|
3 |
rotated_clip.gx_rectangle_top = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_x_resolution - 1 - clip->gx_rectangle_right); |
409 |
|
3 |
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_x_resolution - 1 - clip->gx_rectangle_left); |
410 |
|
|
} |
411 |
|
|
else |
412 |
|
|
{ |
413 |
|
3 |
xpos = context->gx_draw_context_canvas->gx_canvas_y_resolution - xpos - pixelmap->gx_pixelmap_height; |
414 |
|
3 |
cx = pixelmap->gx_pixelmap_height - cx - 1; |
415 |
|
|
|
416 |
|
3 |
rotated_clip.gx_rectangle_left = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_y_resolution - 1 - clip->gx_rectangle_bottom); |
417 |
|
3 |
rotated_clip.gx_rectangle_right = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_y_resolution - 1 - clip->gx_rectangle_top); |
418 |
|
3 |
rotated_clip.gx_rectangle_top = clip->gx_rectangle_left; |
419 |
|
3 |
rotated_clip.gx_rectangle_bottom = clip->gx_rectangle_right; |
420 |
|
|
} |
421 |
|
|
|
422 |
✓✓ |
6 |
if (angle == 90) |
423 |
|
|
{ |
424 |
|
2 |
width = pixelmap -> gx_pixelmap_width; |
425 |
|
2 |
height = pixelmap -> gx_pixelmap_height; |
426 |
|
|
|
427 |
|
2 |
newxpos = xpos + cx - (width - 1 - cy); |
428 |
|
2 |
newypos = ypos + cy - cx; |
429 |
|
|
|
430 |
|
2 |
putrow = (GX_UBYTE *)context -> gx_draw_context_memory; |
431 |
|
2 |
putrow += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch; |
432 |
|
2 |
putrow += rotated_clip.gx_rectangle_left; |
433 |
|
|
|
434 |
✓✓ |
254 |
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++) |
435 |
|
|
{ |
436 |
|
252 |
put = putrow; |
437 |
|
|
|
438 |
✓✓ |
60732 |
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++) |
439 |
|
|
{ |
440 |
|
60480 |
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data; |
441 |
|
60480 |
get += (width - 1 - x) * height; |
442 |
|
60480 |
get += y; |
443 |
|
|
|
444 |
|
60480 |
*put++ = *get; |
445 |
|
|
} |
446 |
|
|
|
447 |
|
252 |
putrow += context -> gx_draw_context_pitch; |
448 |
|
|
} |
449 |
|
|
} |
450 |
✓✓ |
4 |
else if (angle == 180) |
451 |
|
|
{ |
452 |
|
|
|
453 |
|
2 |
width = pixelmap -> gx_pixelmap_height; |
454 |
|
2 |
height = pixelmap -> gx_pixelmap_width; |
455 |
|
|
|
456 |
|
2 |
newxpos = xpos + cx - (width - 1 - cx); |
457 |
|
2 |
newypos = ypos + cy - (height - 1 - cy); |
458 |
|
|
|
459 |
|
2 |
putrow = (GX_UBYTE *)context -> gx_draw_context_memory; |
460 |
|
2 |
putrow += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch; |
461 |
|
2 |
putrow += rotated_clip.gx_rectangle_left; |
462 |
|
|
|
463 |
✓✓ |
482 |
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++) |
464 |
|
|
{ |
465 |
|
480 |
put = putrow; |
466 |
✓✓ |
60960 |
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++) |
467 |
|
|
{ |
468 |
|
60480 |
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data; |
469 |
|
60480 |
get += (height - 1 - y) * width; |
470 |
|
60480 |
get += width - 1 - x; |
471 |
|
|
|
472 |
|
60480 |
*put++ = *get; |
473 |
|
|
} |
474 |
|
|
|
475 |
|
480 |
putrow += context -> gx_draw_context_pitch; |
476 |
|
|
} |
477 |
|
|
} |
478 |
|
|
else |
479 |
|
|
{ |
480 |
|
2 |
height = pixelmap -> gx_pixelmap_height; |
481 |
|
|
|
482 |
|
2 |
newxpos = xpos + cx - cy; |
483 |
|
2 |
newypos = ypos + cx - (height - 1 - cy); |
484 |
|
|
|
485 |
|
2 |
putrow = (GX_UBYTE *)context -> gx_draw_context_memory; |
486 |
|
2 |
putrow += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch; |
487 |
|
2 |
putrow += rotated_clip.gx_rectangle_left; |
488 |
|
|
|
489 |
✓✓ |
254 |
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++) |
490 |
|
|
{ |
491 |
|
252 |
put = putrow; |
492 |
|
|
|
493 |
✓✓ |
60732 |
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++) |
494 |
|
|
{ |
495 |
|
60480 |
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data; |
496 |
|
60480 |
get += x * height; |
497 |
|
60480 |
get += height - 1 - y; |
498 |
|
|
|
499 |
|
60480 |
*put++ = *get; |
500 |
|
|
} |
501 |
|
|
|
502 |
|
252 |
putrow += context -> gx_draw_context_pitch; |
503 |
|
|
} |
504 |
|
|
} |
505 |
|
6 |
} |
506 |
|
|
|
507 |
|
|
/**************************************************************************/ |
508 |
|
|
/* */ |
509 |
|
|
/* FUNCTION RELEASE */ |
510 |
|
|
/* */ |
511 |
|
|
/* _gx_display_driver_8bpp_rotated_pixelmap_simple_transparent_rotate */ |
512 |
|
|
/* PORTABLE C */ |
513 |
|
|
/* 6.1.4 */ |
514 |
|
|
/* AUTHOR */ |
515 |
|
|
/* */ |
516 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
517 |
|
|
/* */ |
518 |
|
|
/* DESCRIPTION */ |
519 |
|
|
/* */ |
520 |
|
|
/* Internal help function that hangles 90, 180 and 270 degree pixelmap */ |
521 |
|
|
/* rotation. */ |
522 |
|
|
/* */ |
523 |
|
|
/* INPUT */ |
524 |
|
|
/* */ |
525 |
|
|
/* context Drawing context */ |
526 |
|
|
/* xpos x-coord of top-left draw point*/ |
527 |
|
|
/* ypos y-coord of top-left draw point*/ |
528 |
|
|
/* pixelmap Pointer to GX_PIXELMAP struct */ |
529 |
|
|
/* angle The angle to rotate */ |
530 |
|
|
/* cx x-coord of rotate center */ |
531 |
|
|
/* cy y-coord of rotate center */ |
532 |
|
|
/* */ |
533 |
|
|
/* OUTPUT */ |
534 |
|
|
/* */ |
535 |
|
|
/* None */ |
536 |
|
|
/* */ |
537 |
|
|
/* CALLS */ |
538 |
|
|
/* */ |
539 |
|
|
/* None */ |
540 |
|
|
/* */ |
541 |
|
|
/* CALLED BY */ |
542 |
|
|
/* */ |
543 |
|
|
/* _gx_display_driver_8bpp_pixelmap_rotate */ |
544 |
|
|
/* */ |
545 |
|
|
/**************************************************************************/ |
546 |
|
6 |
static VOID _gx_display_driver_8bpp_rotated_pixelmap_simple_transparent_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
547 |
|
|
INT angle, INT cx, INT cy) |
548 |
|
|
{ |
549 |
|
|
GX_UBYTE *putrow; |
550 |
|
|
GX_UBYTE *put; |
551 |
|
|
GX_UBYTE *get; |
552 |
|
|
INT width; |
553 |
|
|
INT height; |
554 |
|
|
INT x; |
555 |
|
|
INT y; |
556 |
|
|
GX_RECTANGLE *clip; |
557 |
|
|
GX_RECTANGLE rotated_clip; |
558 |
|
|
INT newxpos; |
559 |
|
|
INT newypos; |
560 |
|
|
|
561 |
|
6 |
clip = context -> gx_draw_context_clip; |
562 |
|
|
|
563 |
|
6 |
GX_SWAP_VALS(xpos, ypos); |
564 |
|
6 |
GX_SWAP_VALS(cx, cy); |
565 |
|
|
|
566 |
✓✓ |
6 |
if (context->gx_draw_context_display->gx_display_rotation_angle == GX_SCREEN_ROTATION_CW) |
567 |
|
|
{ |
568 |
|
3 |
ypos = context->gx_draw_context_canvas->gx_canvas_x_resolution - ypos - pixelmap->gx_pixelmap_width; |
569 |
|
3 |
cy = pixelmap->gx_pixelmap_width - cy - 1; |
570 |
|
|
|
571 |
|
3 |
rotated_clip.gx_rectangle_left = clip->gx_rectangle_top; |
572 |
|
3 |
rotated_clip.gx_rectangle_right = clip->gx_rectangle_bottom; |
573 |
|
3 |
rotated_clip.gx_rectangle_top = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_x_resolution - 1 - clip->gx_rectangle_right); |
574 |
|
3 |
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_x_resolution - 1 - clip->gx_rectangle_left); |
575 |
|
|
} |
576 |
|
|
else |
577 |
|
|
{ |
578 |
|
3 |
xpos = context->gx_draw_context_canvas->gx_canvas_y_resolution - xpos - pixelmap->gx_pixelmap_height; |
579 |
|
3 |
cx = pixelmap->gx_pixelmap_height - cx - 1; |
580 |
|
|
|
581 |
|
3 |
rotated_clip.gx_rectangle_left = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_y_resolution - 1 - clip->gx_rectangle_bottom); |
582 |
|
3 |
rotated_clip.gx_rectangle_right = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_y_resolution - 1 - clip->gx_rectangle_top); |
583 |
|
3 |
rotated_clip.gx_rectangle_top = clip->gx_rectangle_left; |
584 |
|
3 |
rotated_clip.gx_rectangle_bottom = clip->gx_rectangle_right; |
585 |
|
|
} |
586 |
|
|
|
587 |
✓✓ |
6 |
if (angle == 90) |
588 |
|
|
{ |
589 |
|
2 |
width = pixelmap -> gx_pixelmap_width; |
590 |
|
2 |
height = pixelmap -> gx_pixelmap_height; |
591 |
|
|
|
592 |
|
2 |
newxpos = xpos + cx - (width - 1 - cy); |
593 |
|
2 |
newypos = ypos + cy - cx; |
594 |
|
|
|
595 |
|
2 |
putrow = (GX_UBYTE *)context -> gx_draw_context_memory; |
596 |
|
2 |
putrow += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch; |
597 |
|
2 |
putrow += rotated_clip.gx_rectangle_left; |
598 |
|
|
|
599 |
✓✓ |
536 |
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++) |
600 |
|
|
{ |
601 |
|
534 |
put = putrow; |
602 |
|
|
|
603 |
✓✓ |
104664 |
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++) |
604 |
|
|
{ |
605 |
|
104130 |
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data; |
606 |
|
104130 |
get += (width - 1 - x) * height; |
607 |
|
104130 |
get += y; |
608 |
|
|
|
609 |
✓✓ |
104130 |
if ((*get) != pixelmap -> gx_pixelmap_transparent_color) |
610 |
|
|
{ |
611 |
|
72436 |
*put = *get; |
612 |
|
|
} |
613 |
|
104130 |
put++; |
614 |
|
|
} |
615 |
|
534 |
putrow += context -> gx_draw_context_pitch; |
616 |
|
|
} |
617 |
|
|
} |
618 |
✓✓ |
4 |
else if (angle == 180) |
619 |
|
|
{ |
620 |
|
|
|
621 |
|
2 |
width = pixelmap -> gx_pixelmap_height; |
622 |
|
2 |
height = pixelmap -> gx_pixelmap_width; |
623 |
|
|
|
624 |
|
2 |
newxpos = xpos + cx - (width - 1 - cx); |
625 |
|
2 |
newypos = ypos + cy - (height - 1 - cy); |
626 |
|
|
|
627 |
|
2 |
putrow = (GX_UBYTE *)context -> gx_draw_context_memory; |
628 |
|
2 |
putrow += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch; |
629 |
|
2 |
putrow += rotated_clip.gx_rectangle_left; |
630 |
|
|
|
631 |
✓✓ |
392 |
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++) |
632 |
|
|
{ |
633 |
|
390 |
put = putrow; |
634 |
✓✓ |
104520 |
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++) |
635 |
|
|
{ |
636 |
|
104130 |
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data; |
637 |
|
104130 |
get += (height - 1 - y) * width; |
638 |
|
104130 |
get += width - 1 - x; |
639 |
|
|
|
640 |
✓✓ |
104130 |
if ((*get) != pixelmap -> gx_pixelmap_transparent_color) |
641 |
|
|
{ |
642 |
|
72436 |
*put = *get; |
643 |
|
|
} |
644 |
|
104130 |
put++; |
645 |
|
|
} |
646 |
|
|
|
647 |
|
390 |
putrow += context -> gx_draw_context_pitch; |
648 |
|
|
} |
649 |
|
|
} |
650 |
|
|
else |
651 |
|
|
{ |
652 |
|
2 |
height = pixelmap -> gx_pixelmap_height; |
653 |
|
|
|
654 |
|
2 |
newxpos = xpos + cx - cy; |
655 |
|
2 |
newypos = ypos + cx - (height - 1 - cy); |
656 |
|
|
|
657 |
|
2 |
putrow = (GX_UBYTE *)context -> gx_draw_context_memory; |
658 |
|
2 |
putrow += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch; |
659 |
|
2 |
putrow += rotated_clip.gx_rectangle_left; |
660 |
|
|
|
661 |
✓✓ |
536 |
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++) |
662 |
|
|
{ |
663 |
|
534 |
put = putrow; |
664 |
|
|
|
665 |
✓✓ |
104664 |
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++) |
666 |
|
|
{ |
667 |
|
104130 |
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data; |
668 |
|
104130 |
get += x * height; |
669 |
|
104130 |
get += height - 1 - y; |
670 |
|
|
|
671 |
✓✓ |
104130 |
if ((*get) != pixelmap -> gx_pixelmap_transparent_color) |
672 |
|
|
{ |
673 |
|
72436 |
*put = *get; |
674 |
|
|
} |
675 |
|
104130 |
put++; |
676 |
|
|
} |
677 |
|
|
|
678 |
|
534 |
putrow += context -> gx_draw_context_pitch; |
679 |
|
|
} |
680 |
|
|
} |
681 |
|
6 |
} |
682 |
|
|
|
683 |
|
|
/**************************************************************************/ |
684 |
|
|
/* */ |
685 |
|
|
/* FUNCTION RELEASE */ |
686 |
|
|
/* */ |
687 |
|
|
/* _gx_display_driver_8bpp_rotated_pixelmap_rotate PORTABLE C */ |
688 |
|
|
/* 6.1.4 */ |
689 |
|
|
/* AUTHOR */ |
690 |
|
|
/* */ |
691 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
692 |
|
|
/* */ |
693 |
|
|
/* DESCRIPTION */ |
694 |
|
|
/* */ |
695 |
|
|
/* This service rotate a pixelmap directly to canvas memory. */ |
696 |
|
|
/* */ |
697 |
|
|
/* INPUT */ |
698 |
|
|
/* */ |
699 |
|
|
/* context Drawing context */ |
700 |
|
|
/* xpos x-coord of top-left draw point*/ |
701 |
|
|
/* ypos y-coord of top-left draw point*/ |
702 |
|
|
/* pixelmap Pointer to GX_PIXELMAP struct */ |
703 |
|
|
/* angle The angle to rotate */ |
704 |
|
|
/* rot_cx x-coord of rotating center. */ |
705 |
|
|
/* rot_cy y-coord of rotationg center. */ |
706 |
|
|
/* */ |
707 |
|
|
/* OUTPUT */ |
708 |
|
|
/* */ |
709 |
|
|
/* status Completion status */ |
710 |
|
|
/* */ |
711 |
|
|
/* CALLS */ |
712 |
|
|
/* */ |
713 |
|
|
/* _gx_display_driver_8bpp_rotated_pixelmap_simple_transparent_rotate */ |
714 |
|
|
/* _gx_display_driver_8bpp_rotated_pixelmap_simple_rotate */ |
715 |
|
|
/* _gx_display_driver_8bpp_rotated_pixelmap_transparent_rotate */ |
716 |
|
|
/* _gx_display_driver_8bpp_rotated_pixelmap_raw_rotate */ |
717 |
|
|
/* */ |
718 |
|
|
/* CALLED BY */ |
719 |
|
|
/* */ |
720 |
|
|
/* Application Code */ |
721 |
|
|
/* GUIX Internal Code */ |
722 |
|
|
/* */ |
723 |
|
|
/**************************************************************************/ |
724 |
|
1436 |
VOID _gx_display_driver_8bpp_rotated_pixelmap_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, |
725 |
|
|
INT angle, INT rot_cx, INT rot_cy) |
726 |
|
|
{ |
727 |
✓✓ |
1436 |
if (angle % 90 == 0) |
728 |
|
|
{ |
729 |
|
|
/* Simple angle rotate: 90 degree, 180 degree and 270 degree. */ |
730 |
✓✓ |
12 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_TRANSPARENT) |
731 |
|
|
{ |
732 |
|
6 |
_gx_display_driver_8bpp_rotated_pixelmap_simple_transparent_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
733 |
|
|
} |
734 |
|
|
else |
735 |
|
|
{ |
736 |
|
6 |
_gx_display_driver_8bpp_rotated_pixelmap_simple_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
737 |
|
|
} |
738 |
|
|
} |
739 |
|
|
else |
740 |
|
|
{ |
741 |
✓✓ |
1424 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_TRANSPARENT) |
742 |
|
|
{ |
743 |
|
|
/* no compression or alpha */ |
744 |
|
712 |
_gx_display_driver_8bpp_rotated_pixelmap_transparent_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
745 |
|
|
} |
746 |
|
|
else |
747 |
|
|
{ |
748 |
|
|
/* no compression or alpha */ |
749 |
|
712 |
_gx_display_driver_8bpp_rotated_pixelmap_raw_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy); |
750 |
|
|
} |
751 |
|
|
} |
752 |
|
|
|
753 |
|
1436 |
return; |
754 |
|
|
} |
755 |
|
|
|