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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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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_display_driver_8bpp_rotated_horizontal_line_draw */ |
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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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/* Generic 8bpp color format rotated horizontal line draw function. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* context Drawing context */ |
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/* xstart x-coord of left endpoint */ |
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/* xend x-coord of right endpoint */ |
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/* ypos y-coord of line top */ |
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/* width Width (height) of the line */ |
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/* color Color of line to write */ |
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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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/* None */ |
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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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175073 |
VOID _gx_display_driver_8bpp_rotated_horizontal_line_draw(GX_DRAW_CONTEXT *context, INT xstart, INT xend, INT ypos, INT width, GX_COLOR color) |
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{ |
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INT row; |
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INT column; |
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GX_UBYTE *put; |
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GX_UBYTE *rowstart; |
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175073 |
INT len = xend - xstart + 1; |
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/* Pick up start address of canvas memory. */ |
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rowstart = (GX_UBYTE *)context -> gx_draw_context_memory; |
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/* Calculate start of row address. */ |
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✓✓ |
175073 |
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW) |
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{ |
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89706 |
rowstart += (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - xstart - 1) * context -> gx_draw_context_pitch; |
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89706 |
rowstart += ypos; |
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} |
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else |
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{ |
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rowstart += xend * context -> gx_draw_context_pitch; |
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rowstart += (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - ypos - width); |
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} |
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/* Draw one line, left to right. */ |
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✓✓ |
21327126 |
for (column = 0; column < len; column++) |
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{ |
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21152053 |
put = rowstart; |
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/* Draw pixel to fill width. */ |
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✓✓ |
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for (row = 0; row < width; row++) |
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{ |
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*put++ = (GX_UBYTE)color; |
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} |
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rowstart -= context -> gx_draw_context_pitch; |
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} |
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175073 |
} |
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