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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	gx_display_driver_16bpp_rotated_block_move.c	Lines:	68	68	100.0 %
Date:	2024-12-05 08:52:37	Branches:	20	20	100.0 %


/***************************************************************************
 * Copyright (c) 2024 Microsoft Corporation
 *
 * This program and the accompanying materials are made available under the
 * terms of the MIT License which is available at
 * https://opensource.org/licenses/MIT.
 *
 * SPDX-License-Identifier: MIT
 **************************************************************************/


/**************************************************************************/
/**************************************************************************/
/**                                                                       */
/** GUIX Component                                                        */
/**                                                                       */
/**   Display Management (Display)                                        */
/**                                                                       */
/**************************************************************************/

#define GX_SOURCE_CODE


/* Include necessary system files.  */

#include "gx_api.h"
#include "gx_display.h"
#include "gx_system.h"
#include "gx_utility.h"

/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _gx_display_driver_16bpp_rotated_block_move         PORTABLE C      */
/*                                                           6.1.3        */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Kenneth Maxwell, Microsoft Corporation                              */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    Generic 16bpp color format display driver rotated block moving      */
/*    function.                                                           */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    context                               Draw context                  */
/*    block                                 The rectangle to be moved     */
/*    xshift                                Amount to move on X-axis      */
/*    yshift                                Amount to move on Y-axis      */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    None                                                                */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    memmove                               Move a block of data          */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    GUIX Internal Code                                                  */
/*                                                                        */
/*  RELEASE HISTORY                                                       */
/*                                                                        */
/*    DATE              NAME                      DESCRIPTION             */
/*                                                                        */
/*  12-31-2020     Kenneth Maxwell          Initial Version 6.1.3         */
/*                                                                        */
/**************************************************************************/
VOID _gx_display_driver_16bpp_rotated_block_move(GX_DRAW_CONTEXT *context,
                                                 GX_RECTANGLE *block, INT xshift, INT yshift)
{
USHORT      *pGet;
USHORT      *pPut;
INT          width;
INT          width_in_bytes;
INT          y;
INT          height;
GX_RECTANGLE rotated_block;

    GX_SWAP_VALS(xshift, yshift);

    if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
    {
        rotated_block.gx_rectangle_left = block -> gx_rectangle_top;
        rotated_block.gx_rectangle_right = block -> gx_rectangle_bottom;
        rotated_block.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - block -> gx_rectangle_right - 1);
        rotated_block.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - block -> gx_rectangle_left - 1);

        yshift = -yshift;
    }
    else
    {
        rotated_block.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - block -> gx_rectangle_bottom - 1);
        rotated_block.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - block -> gx_rectangle_top - 1);
        rotated_block.gx_rectangle_top = block -> gx_rectangle_left;
        rotated_block.gx_rectangle_bottom = block -> gx_rectangle_right;

        xshift = -xshift;
    }

    if (xshift)
    {
        if (xshift > 0)
        {

            /* Have to copy from left to right. */
            pPut = (USHORT *)context -> gx_draw_context_memory;
            pPut += rotated_block.gx_rectangle_top * context -> gx_draw_context_pitch;
            pPut += rotated_block.gx_rectangle_left + xshift;

            pGet = (USHORT *)context -> gx_draw_context_memory;
            pGet += rotated_block.gx_rectangle_top * context -> gx_draw_context_pitch;
            pGet += rotated_block.gx_rectangle_left;

            width = rotated_block.gx_rectangle_right - rotated_block.gx_rectangle_left + 1 - xshift;
            width_in_bytes = width * (int)sizeof(USHORT);

            if (width_in_bytes <= 0)
            {
                return;
            }

            for (y = rotated_block.gx_rectangle_top; y <= rotated_block.gx_rectangle_bottom; y++)
            {
                memmove(pPut, pGet, (size_t)width_in_bytes);

                pPut += context -> gx_draw_context_pitch;
                pGet += context -> gx_draw_context_pitch;
            }
        }
        else
        {

            /* Have to copy from right to left. */
            pPut = (USHORT *)context -> gx_draw_context_memory;
            pPut += rotated_block.gx_rectangle_top * context -> gx_draw_context_pitch;
            pPut += rotated_block.gx_rectangle_left;

            pGet = (USHORT *)context -> gx_draw_context_memory;
            pGet += rotated_block.gx_rectangle_top * context -> gx_draw_context_pitch;
            pGet += rotated_block.gx_rectangle_left - xshift;

            width = rotated_block.gx_rectangle_right - rotated_block.gx_rectangle_left + 1 + xshift;
            width_in_bytes = width * (int)sizeof(USHORT);

            if (width_in_bytes <= 0)
            {
                return;
            }

            for (y = rotated_block.gx_rectangle_top; y <= rotated_block.gx_rectangle_bottom; y++)
            {
                memmove(pPut, pGet, (size_t)width_in_bytes);

                pPut += context -> gx_draw_context_pitch;
                pGet += context -> gx_draw_context_pitch;
            }
        }
    }
    else
    {
        width = rotated_block.gx_rectangle_right - rotated_block.gx_rectangle_left + 1;
        width_in_bytes = width * (int)sizeof(USHORT);

        if (yshift > 0)
        {

            /* Have to copy from top to bottom. */
            pPut = (USHORT *)context -> gx_draw_context_memory;
            pPut += rotated_block.gx_rectangle_bottom * context -> gx_draw_context_pitch;
            pPut += rotated_block.gx_rectangle_left;

            pGet = (USHORT *)context -> gx_draw_context_memory;
            pGet += (rotated_block.gx_rectangle_bottom - yshift) * context -> gx_draw_context_pitch;
            pGet += rotated_block.gx_rectangle_left;

            height = rotated_block.gx_rectangle_bottom - rotated_block.gx_rectangle_top + 1 - yshift;

            for (y = 0; y < height; y++)
            {
                memmove(pPut, pGet, (size_t)width_in_bytes);

                pPut -= context -> gx_draw_context_pitch;
                pGet -= context -> gx_draw_context_pitch;
            }
        }
        else
        {

            /* Have to copy from bottom to top. */
            pPut = (USHORT *)context -> gx_draw_context_memory;
            pPut += rotated_block.gx_rectangle_top * context -> gx_draw_context_pitch;
            pPut += rotated_block.gx_rectangle_left;

            pGet = (USHORT *)context -> gx_draw_context_memory;
            pGet += (rotated_block.gx_rectangle_top - yshift) * context -> gx_draw_context_pitch;
            pGet += rotated_block.gx_rectangle_left;

            height = rotated_block.gx_rectangle_bottom - rotated_block.gx_rectangle_top + 1 + yshift;

            for (y = 0; y < height; y++)
            {
                memmove(pPut, pGet, (size_t)width_in_bytes);

                pPut += context -> gx_draw_context_pitch;
                pGet += context -> gx_draw_context_pitch;
            }
        }
    }
}



Generated by: GCOVR (Version 4.1)

Line	Branch	Exec	Source
1			/***************************************************************************
2			* Copyright (c) 2024 Microsoft Corporation
3			*
4			* This program and the accompanying materials are made available under the
5			* terms of the MIT License which is available at
6			* https://opensource.org/licenses/MIT.
7			*
8			* SPDX-License-Identifier: MIT
9			**************************************************************************/
10
11
12			/**************************************************************************/
13			/**************************************************************************/
14			/** */
15			/** GUIX Component */
16			/** */
17			/** Display Management (Display) */
18			/** */
19			/**************************************************************************/
20
21			#define GX_SOURCE_CODE
22
23
24			/* Include necessary system files. */
25
26			#include "gx_api.h"
27			#include "gx_display.h"
28			#include "gx_system.h"
29			#include "gx_utility.h"
30
31			/**************************************************************************/
32			/* */
33			/* FUNCTION RELEASE */
34			/* */
35			/* _gx_display_driver_16bpp_rotated_block_move PORTABLE C */
36			/* 6.1.3 */
37			/* AUTHOR */
38			/* */
39			/* Kenneth Maxwell, Microsoft Corporation */
40			/* */
41			/* DESCRIPTION */
42			/* */
43			/* Generic 16bpp color format display driver rotated block moving */
44			/* function. */
45			/* */
46			/* INPUT */
47			/* */
48			/* context Draw context */
49			/* block The rectangle to be moved */
50			/* xshift Amount to move on X-axis */
51			/* yshift Amount to move on Y-axis */
52			/* */
53			/* OUTPUT */
54			/* */
55			/* None */
56			/* */
57			/* CALLS */
58			/* */
59			/* memmove Move a block of data */
60			/* */
61			/* CALLED BY */
62			/* */
63			/* GUIX Internal Code */
64			/* */
65			/* RELEASE HISTORY */
66			/* */
67			/* DATE NAME DESCRIPTION */
68			/* */
69			/* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */
70			/* */
71			/**************************************************************************/
72		45	VOID _gx_display_driver_16bpp_rotated_block_move(GX_DRAW_CONTEXT *context,
73			GX_RECTANGLE *block, INT xshift, INT yshift)
74			{
75			USHORT *pGet;
76			USHORT *pPut;
77			INT width;
78			INT width_in_bytes;
79			INT y;
80			INT height;
81			GX_RECTANGLE rotated_block;
82
83		45	GX_SWAP_VALS(xshift, yshift);
84
85	✓✓	45	if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
86			{
87		41	rotated_block.gx_rectangle_left = block -> gx_rectangle_top;
88		41	rotated_block.gx_rectangle_right = block -> gx_rectangle_bottom;
89		41	rotated_block.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - block -> gx_rectangle_right - 1);
90		41	rotated_block.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - block -> gx_rectangle_left - 1);
91
92		41	yshift = -yshift;
93			}
94			else
95			{
96		4	rotated_block.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - block -> gx_rectangle_bottom - 1);
97		4	rotated_block.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - block -> gx_rectangle_top - 1);
98		4	rotated_block.gx_rectangle_top = block -> gx_rectangle_left;
99		4	rotated_block.gx_rectangle_bottom = block -> gx_rectangle_right;
100
101		4	xshift = -xshift;
102			}
103
104	✓✓	45	if (xshift)
105			{
106	✓✓	41	if (xshift > 0)
107			{
108
109			/* Have to copy from left to right. */
110		4	pPut = (USHORT *)context -> gx_draw_context_memory;
111		4	pPut += rotated_block.gx_rectangle_top * context -> gx_draw_context_pitch;
112		4	pPut += rotated_block.gx_rectangle_left + xshift;
113
114		4	pGet = (USHORT *)context -> gx_draw_context_memory;
115		4	pGet += rotated_block.gx_rectangle_top * context -> gx_draw_context_pitch;
116		4	pGet += rotated_block.gx_rectangle_left;
117
118		4	width = rotated_block.gx_rectangle_right - rotated_block.gx_rectangle_left + 1 - xshift;
119		4	width_in_bytes = width * (int)sizeof(USHORT);
120
121	✓✓	4	if (width_in_bytes <= 0)
122			{
123		2	return;
124			}
125
126	✓✓	650	for (y = rotated_block.gx_rectangle_top; y <= rotated_block.gx_rectangle_bottom; y++)
127			{
128		647	memmove(pPut, pGet, (size_t)width_in_bytes);
129
130		647	pPut += context -> gx_draw_context_pitch;
131		647	pGet += context -> gx_draw_context_pitch;
132			}
133			}
134			else
135			{
136
137			/* Have to copy from right to left. */
138		37	pPut = (USHORT *)context -> gx_draw_context_memory;
139		37	pPut += rotated_block.gx_rectangle_top * context -> gx_draw_context_pitch;
140		37	pPut += rotated_block.gx_rectangle_left;
141
142		37	pGet = (USHORT *)context -> gx_draw_context_memory;
143		37	pGet += rotated_block.gx_rectangle_top * context -> gx_draw_context_pitch;
144		37	pGet += rotated_block.gx_rectangle_left - xshift;
145
146		37	width = rotated_block.gx_rectangle_right - rotated_block.gx_rectangle_left + 1 + xshift;
147		37	width_in_bytes = width * (int)sizeof(USHORT);
148
149	✓✓	37	if (width_in_bytes <= 0)
150			{
151		1	return;
152			}
153
154	✓✓	7916	for (y = rotated_block.gx_rectangle_top; y <= rotated_block.gx_rectangle_bottom; y++)
155			{
156		7880	memmove(pPut, pGet, (size_t)width_in_bytes);
157
158		7880	pPut += context -> gx_draw_context_pitch;
159		7880	pGet += context -> gx_draw_context_pitch;
160			}
161			}
162			}
163			else
164			{
165		4	width = rotated_block.gx_rectangle_right - rotated_block.gx_rectangle_left + 1;
166		4	width_in_bytes = width * (int)sizeof(USHORT);
167
168	✓✓	4	if (yshift > 0)
169			{
170
171			/* Have to copy from top to bottom. */
172		2	pPut = (USHORT *)context -> gx_draw_context_memory;
173		2	pPut += rotated_block.gx_rectangle_bottom * context -> gx_draw_context_pitch;
174		2	pPut += rotated_block.gx_rectangle_left;
175
176		2	pGet = (USHORT *)context -> gx_draw_context_memory;
177		2	pGet += (rotated_block.gx_rectangle_bottom - yshift) * context -> gx_draw_context_pitch;
178		2	pGet += rotated_block.gx_rectangle_left;
179
180		2	height = rotated_block.gx_rectangle_bottom - rotated_block.gx_rectangle_top + 1 - yshift;
181
182	✓✓	170	for (y = 0; y < height; y++)
183			{
184		168	memmove(pPut, pGet, (size_t)width_in_bytes);
185
186		168	pPut -= context -> gx_draw_context_pitch;
187		168	pGet -= context -> gx_draw_context_pitch;
188			}
189			}
190			else
191			{
192
193			/* Have to copy from bottom to top. */
194		2	pPut = (USHORT *)context -> gx_draw_context_memory;
195		2	pPut += rotated_block.gx_rectangle_top * context -> gx_draw_context_pitch;
196		2	pPut += rotated_block.gx_rectangle_left;
197
198		2	pGet = (USHORT *)context -> gx_draw_context_memory;
199		2	pGet += (rotated_block.gx_rectangle_top - yshift) * context -> gx_draw_context_pitch;
200		2	pGet += rotated_block.gx_rectangle_left;
201
202		2	height = rotated_block.gx_rectangle_bottom - rotated_block.gx_rectangle_top + 1 + yshift;
203
204	✓✓	170	for (y = 0; y < height; y++)
205			{
206		168	memmove(pPut, pGet, (size_t)width_in_bytes);
207
208		168	pPut += context -> gx_draw_context_pitch;
209		168	pGet += context -> gx_draw_context_pitch;
210			}
211			}
212			}
213			}
214