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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	gx_display_driver_32bpp_block_move.c	Lines:	56	56	100.0 %
Date:	2024-12-05 08:52:37	Branches:	18	18	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_32bpp_block_move                 PORTABLE C      */
/*                                                           6.1          */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Kenneth Maxwell, Microsoft Corporation                              */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    Generic 32bpp color format display driver 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 memory content          */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    GUIX Internal Code                                                  */
/*                                                                        */
/*  RELEASE HISTORY                                                       */
/*                                                                        */
/*    DATE              NAME                      DESCRIPTION             */
/*                                                                        */
/*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
/*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
/*                                            resulting in version 6.1    */
/*                                                                        */
/**************************************************************************/
VOID _gx_display_driver_32bpp_block_move(GX_DRAW_CONTEXT *context,
                                         GX_RECTANGLE *block, INT xshift, INT yshift)
{
GX_COLOR *pGet;
GX_COLOR *pPut;
int       width;
int       width_in_bytes;
int       y;
int       height;

    if (xshift)
    {
        if (xshift > 0)
        {
            /* have to copy from left to right. */
            pPut = context -> gx_draw_context_memory;
            pPut += block -> gx_rectangle_top * context -> gx_draw_context_pitch;
            pPut += block -> gx_rectangle_left + xshift;

            pGet = context -> gx_draw_context_memory;
            pGet += block -> gx_rectangle_top * context -> gx_draw_context_pitch;
            pGet += block -> gx_rectangle_left;

            width = block -> gx_rectangle_right - block -> gx_rectangle_left + 1 - xshift;
            width_in_bytes = width * (int)sizeof(GX_COLOR);

            if (width_in_bytes <= 0)
            {
                return;
            }

            for (y = block -> gx_rectangle_top; y <= 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 = context -> gx_draw_context_memory;
            pPut += block -> gx_rectangle_top * context -> gx_draw_context_pitch;
            pPut += block -> gx_rectangle_left;

            pGet = context -> gx_draw_context_memory;
            pGet += block -> gx_rectangle_top * context -> gx_draw_context_pitch;
            pGet += block -> gx_rectangle_left - xshift;

            width = block -> gx_rectangle_right - block -> gx_rectangle_left + 1 + xshift;
            width_in_bytes = width * (int)sizeof(GX_COLOR);

            if (width_in_bytes <= 0)
            {
                return;
            }

            for (y = block -> gx_rectangle_top; y <= 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 = block -> gx_rectangle_right - block -> gx_rectangle_left + 1;
        width_in_bytes = width * (int)sizeof(GX_COLOR);

        if (yshift > 0)
        {
            /* have to copy from top to bottom */
            pPut = context -> gx_draw_context_memory;
            pPut += block -> gx_rectangle_bottom * context -> gx_draw_context_pitch;
            pPut += block -> gx_rectangle_left;

            pGet = context -> gx_draw_context_memory;
            pGet += (block -> gx_rectangle_bottom - yshift) * context -> gx_draw_context_pitch;
            pGet += block -> gx_rectangle_left;

            height = block -> gx_rectangle_bottom - 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 = context -> gx_draw_context_memory;
            pPut += block -> gx_rectangle_top * context -> gx_draw_context_pitch;
            pPut += block -> gx_rectangle_left;

            pGet = context -> gx_draw_context_memory;
            pGet += (block -> gx_rectangle_top - yshift) * context -> gx_draw_context_pitch;
            pGet += block -> gx_rectangle_left;

            height = block -> gx_rectangle_bottom - 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			/* FUNCTION RELEASE */
33			/* */
34			/* _gx_display_driver_32bpp_block_move PORTABLE C */
35			/* 6.1 */
36			/* AUTHOR */
37			/* */
38			/* Kenneth Maxwell, Microsoft Corporation */
39			/* */
40			/* DESCRIPTION */
41			/* */
42			/* Generic 32bpp color format display driver block moving function. */
43			/* */
44			/* INPUT */
45			/* */
46			/* context Draw context */
47			/* block The rectangle to be moved */
48			/* xshift Amount to move on X-axis */
49			/* yshift Amount to move on Y-axis */
50			/* */
51			/* OUTPUT */
52			/* */
53			/* None */
54			/* */
55			/* CALLS */
56			/* */
57			/* memmove Move memory content */
58			/* */
59			/* CALLED BY */
60			/* */
61			/* GUIX Internal Code */
62			/* */
63			/* RELEASE HISTORY */
64			/* */
65			/* DATE NAME DESCRIPTION */
66			/* */
67			/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
68			/* 09-30-2020 Kenneth Maxwell Modified comment(s), */
69			/* resulting in version 6.1 */
70			/* */
71			/**************************************************************************/
72		1848	VOID _gx_display_driver_32bpp_block_move(GX_DRAW_CONTEXT *context,
73			GX_RECTANGLE *block, INT xshift, INT yshift)
74			{
75			GX_COLOR *pGet;
76			GX_COLOR *pPut;
77			int width;
78			int width_in_bytes;
79			int y;
80			int height;
81
82	✓✓	1848	if (xshift)
83			{
84	✓✓	1235	if (xshift > 0)
85			{
86			/* have to copy from left to right. */
87		577	pPut = context -> gx_draw_context_memory;
88		577	pPut += block -> gx_rectangle_top * context -> gx_draw_context_pitch;
89		577	pPut += block -> gx_rectangle_left + xshift;
90
91		577	pGet = context -> gx_draw_context_memory;
92		577	pGet += block -> gx_rectangle_top * context -> gx_draw_context_pitch;
93		577	pGet += block -> gx_rectangle_left;
94
95		577	width = block -> gx_rectangle_right - block -> gx_rectangle_left + 1 - xshift;
96		577	width_in_bytes = width * (int)sizeof(GX_COLOR);
97
98	✓✓	577	if (width_in_bytes <= 0)
99			{
100		2	return;
101			}
102
103	✓✓	63387	for (y = block -> gx_rectangle_top; y <= block -> gx_rectangle_bottom; y++)
104			{
105		62812	memmove(pPut, pGet, (size_t)width_in_bytes);
106
107		62812	pPut += context -> gx_draw_context_pitch;
108		62812	pGet += context -> gx_draw_context_pitch;
109			}
110			}
111			else
112			{
113			/* have to copy from right to left */
114		658	pPut = context -> gx_draw_context_memory;
115		658	pPut += block -> gx_rectangle_top * context -> gx_draw_context_pitch;
116		658	pPut += block -> gx_rectangle_left;
117
118		658	pGet = context -> gx_draw_context_memory;
119		658	pGet += block -> gx_rectangle_top * context -> gx_draw_context_pitch;
120		658	pGet += block -> gx_rectangle_left - xshift;
121
122		658	width = block -> gx_rectangle_right - block -> gx_rectangle_left + 1 + xshift;
123		658	width_in_bytes = width * (int)sizeof(GX_COLOR);
124
125	✓✓	658	if (width_in_bytes <= 0)
126			{
127		1	return;
128			}
129
130	✓✓	71287	for (y = block -> gx_rectangle_top; y <= block -> gx_rectangle_bottom; y++)
131			{
132		70630	memmove(pPut, pGet, (size_t)width_in_bytes);
133
134		70630	pPut += context -> gx_draw_context_pitch;
135		70630	pGet += context -> gx_draw_context_pitch;
136			}
137			}
138			}
139			else
140			{
141		613	width = block -> gx_rectangle_right - block -> gx_rectangle_left + 1;
142		613	width_in_bytes = width * (int)sizeof(GX_COLOR);
143
144	✓✓	613	if (yshift > 0)
145			{
146			/* have to copy from top to bottom */
147		162	pPut = context -> gx_draw_context_memory;
148		162	pPut += block -> gx_rectangle_bottom * context -> gx_draw_context_pitch;
149		162	pPut += block -> gx_rectangle_left;
150
151		162	pGet = context -> gx_draw_context_memory;
152		162	pGet += (block -> gx_rectangle_bottom - yshift) * context -> gx_draw_context_pitch;
153		162	pGet += block -> gx_rectangle_left;
154
155		162	height = block -> gx_rectangle_bottom - block -> gx_rectangle_top + 1 - yshift;
156
157	✓✓	27254	for (y = 0; y < height; y++)
158			{
159		27092	memmove(pPut, pGet, (size_t)width_in_bytes);
160
161		27092	pPut -= context -> gx_draw_context_pitch;
162		27092	pGet -= context -> gx_draw_context_pitch;
163			}
164			}
165			else
166			{
167			/* have to copy from bottom to top */
168		451	pPut = context -> gx_draw_context_memory;
169		451	pPut += block -> gx_rectangle_top * context -> gx_draw_context_pitch;
170		451	pPut += block -> gx_rectangle_left;
171
172		451	pGet = context -> gx_draw_context_memory;
173		451	pGet += (block -> gx_rectangle_top - yshift) * context -> gx_draw_context_pitch;
174		451	pGet += block -> gx_rectangle_left;
175
176		451	height = block -> gx_rectangle_bottom - block -> gx_rectangle_top + 1 + yshift;
177
178	✓✓	65230	for (y = 0; y < height; y++)
179			{
180		64779	memmove(pPut, pGet, (size_t)width_in_bytes);
181
182		64779	pPut += context -> gx_draw_context_pitch;
183		64779	pGet += context -> gx_draw_context_pitch;
184			}
185			}
186			}
187			}
188