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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	gx_display_driver_8bpp_block_move.c	Lines:	53	53	100.0 %
Date:	2026-03-06 19:21:09	Branches:	18	18	100.0 %


/***************************************************************************
 * Copyright (c) 2024 Microsoft Corporation
 * Copyright (c) 2026-present Eclipse ThreadX contributors
 *
 * 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_8bpp_block_move                  PORTABLE C      */
/*                                                           6.1          */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Kenneth Maxwell, Microsoft Corporation                              */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    8-bit 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 a block of data          */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    GUIX Internal Code                                                  */
/*                                                                        */
/**************************************************************************/
VOID _gx_display_driver_8bpp_block_move(GX_DRAW_CONTEXT *context,
                                        GX_RECTANGLE *block, INT xshift, INT yshift)
{
GX_UBYTE *pGet;
GX_UBYTE *pPut;
int       width;
int       y;
int       height;

    if (xshift)
    {
        if (xshift > 0)
        {
            pPut = (GX_UBYTE *)context -> gx_draw_context_memory;
            pPut += block -> gx_rectangle_top * context -> gx_draw_context_pitch;
            pPut += block -> gx_rectangle_left + xshift;

            pGet = (GX_UBYTE *)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;

            if (width <= 0)
            {
                /* Shift distance is bigger than block with. */
                return;
            }

            for (y = block -> gx_rectangle_top; y <= block -> gx_rectangle_bottom; y++)
            {
                memmove(pPut, pGet, (size_t)width);

                pPut += context -> gx_draw_context_pitch;
                pGet += context -> gx_draw_context_pitch;
            }
        }
        else
        {
            /* have to copy from left to right */
            pPut = (GX_UBYTE *)context -> gx_draw_context_memory;
            pPut += block -> gx_rectangle_top * context -> gx_draw_context_pitch;
            pPut += block -> gx_rectangle_left;

            pGet = (GX_UBYTE *)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;

            if (width <= 0)
            {
                return;
            }

            for (y = block -> gx_rectangle_top; y <= block -> gx_rectangle_bottom; y++)
            {
                memmove(pPut, pGet, (size_t)width);

                pPut += context -> gx_draw_context_pitch;
                pGet += context -> gx_draw_context_pitch;
            }
        }
    }
    else
    {
        width = block -> gx_rectangle_right - block -> gx_rectangle_left + 1;

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

            pGet = (GX_UBYTE *)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);

                pPut -= context -> gx_draw_context_pitch;
                pGet -= context -> gx_draw_context_pitch;
            }
        }
        else
        {
            /* have to copy from top to bottom */
            pPut = (GX_UBYTE *)context -> gx_draw_context_memory;
            pPut += block -> gx_rectangle_top * context -> gx_draw_context_pitch;
            pPut += block -> gx_rectangle_left;

            pGet = (GX_UBYTE *)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);

                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			* Copyright (c) 2026-present Eclipse ThreadX contributors
4			*
5			* This program and the accompanying materials are made available under the
6			* terms of the MIT License which is available at
7			* https://opensource.org/licenses/MIT.
8			*
9			* SPDX-License-Identifier: MIT
10			**************************************************************************/
11
12
13			/**************************************************************************/
14			/**************************************************************************/
15			/** */
16			/** GUIX Component */
17			/** */
18			/** Display Management (Display) */
19			/** */
20			/**************************************************************************/
21
22			#define GX_SOURCE_CODE
23
24
25			/* Include necessary system files. */
26
27			#include "gx_api.h"
28			#include "gx_display.h"
29			#include "gx_system.h"
30			#include "gx_utility.h"
31
32			/**************************************************************************/
33			/* */
34			/* FUNCTION RELEASE */
35			/* */
36			/* _gx_display_driver_8bpp_block_move PORTABLE C */
37			/* 6.1 */
38			/* AUTHOR */
39			/* */
40			/* Kenneth Maxwell, Microsoft Corporation */
41			/* */
42			/* DESCRIPTION */
43			/* */
44			/* 8-bit color format display driver block moving 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			/**************************************************************************/
66		242	VOID _gx_display_driver_8bpp_block_move(GX_DRAW_CONTEXT *context,
67			GX_RECTANGLE *block, INT xshift, INT yshift)
68			{
69			GX_UBYTE *pGet;
70			GX_UBYTE *pPut;
71			int width;
72			int y;
73			int height;
74
75	✓✓	242	if (xshift)
76			{
77	✓✓	218	if (xshift > 0)
78			{
79		110	pPut = (GX_UBYTE *)context -> gx_draw_context_memory;
80		110	pPut += block -> gx_rectangle_top * context -> gx_draw_context_pitch;
81		110	pPut += block -> gx_rectangle_left + xshift;
82
83		110	pGet = (GX_UBYTE *)context -> gx_draw_context_memory;
84		110	pGet += block -> gx_rectangle_top * context -> gx_draw_context_pitch;
85		110	pGet += block -> gx_rectangle_left;
86
87		110	width = block -> gx_rectangle_right - block -> gx_rectangle_left + 1 - xshift;
88
89	✓✓	110	if (width <= 0)
90			{
91			/* Shift distance is bigger than block with. */
92		1	return;
93			}
94
95	✓✓	12473	for (y = block -> gx_rectangle_top; y <= block -> gx_rectangle_bottom; y++)
96			{
97		12364	memmove(pPut, pGet, (size_t)width);
98
99		12364	pPut += context -> gx_draw_context_pitch;
100		12364	pGet += context -> gx_draw_context_pitch;
101			}
102			}
103			else
104			{
105			/* have to copy from left to right */
106		108	pPut = (GX_UBYTE *)context -> gx_draw_context_memory;
107		108	pPut += block -> gx_rectangle_top * context -> gx_draw_context_pitch;
108		108	pPut += block -> gx_rectangle_left;
109
110		108	pGet = (GX_UBYTE *)context -> gx_draw_context_memory;
111		108	pGet += block -> gx_rectangle_top * context -> gx_draw_context_pitch;
112		108	pGet += block -> gx_rectangle_left - xshift;
113
114		108	width = block -> gx_rectangle_right - block -> gx_rectangle_left + 1 + xshift;
115
116	✓✓	108	if (width <= 0)
117			{
118		1	return;
119			}
120
121	✓✓	12211	for (y = block -> gx_rectangle_top; y <= block -> gx_rectangle_bottom; y++)
122			{
123		12104	memmove(pPut, pGet, (size_t)width);
124
125		12104	pPut += context -> gx_draw_context_pitch;
126		12104	pGet += context -> gx_draw_context_pitch;
127			}
128			}
129			}
130			else
131			{
132		24	width = block -> gx_rectangle_right - block -> gx_rectangle_left + 1;
133
134	✓✓	24	if (yshift > 0)
135			{
136			/* have to copy from bottom to top */
137		12	pPut = (GX_UBYTE *)context -> gx_draw_context_memory;
138		12	pPut += block -> gx_rectangle_bottom * context -> gx_draw_context_pitch;
139		12	pPut += block -> gx_rectangle_left;
140
141		12	pGet = (GX_UBYTE *)context -> gx_draw_context_memory;
142		12	pGet += (block -> gx_rectangle_bottom - yshift) * context -> gx_draw_context_pitch;
143		12	pGet += block -> gx_rectangle_left;
144
145		12	height = block -> gx_rectangle_bottom - block -> gx_rectangle_top + 1 - yshift;
146
147	✓✓	1068	for (y = 0; y < height; y++)
148			{
149		1056	memmove(pPut, pGet, (size_t)width);
150
151		1056	pPut -= context -> gx_draw_context_pitch;
152		1056	pGet -= context -> gx_draw_context_pitch;
153			}
154			}
155			else
156			{
157			/* have to copy from top to bottom */
158		12	pPut = (GX_UBYTE *)context -> gx_draw_context_memory;
159		12	pPut += block -> gx_rectangle_top * context -> gx_draw_context_pitch;
160		12	pPut += block -> gx_rectangle_left;
161
162		12	pGet = (GX_UBYTE *)context -> gx_draw_context_memory;
163		12	pGet += (block -> gx_rectangle_top - yshift) * context -> gx_draw_context_pitch;
164		12	pGet += block -> gx_rectangle_left;
165
166		12	height = block -> gx_rectangle_bottom - block -> gx_rectangle_top + 1 + yshift;
167
168	✓✓	812	for (y = 0; y < height; y++)
169			{
170		800	memmove(pPut, pGet, (size_t)width);
171
172		800	pPut += context -> gx_draw_context_pitch;
173		800	pGet += context -> gx_draw_context_pitch;
174			}
175			}
176			}
177			}
178