Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	gx_display_driver_8bpp_block_move.c	Lines:	53	53	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_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                                                  */
/*                                                                        */
/*  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_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			*
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_8bpp_block_move PORTABLE C */
36			/* 6.1 */
37			/* AUTHOR */
38			/* */
39			/* Kenneth Maxwell, Microsoft Corporation */
40			/* */
41			/* DESCRIPTION */
42			/* */
43			/* 8-bit color format display driver block moving function. */
44			/* */
45			/* INPUT */
46			/* */
47			/* context Draw context */
48			/* block The rectangle to be moved */
49			/* xshift Amount to move on X-axis */
50			/* yshift Amount to move on Y-axis */
51			/* */
52			/* OUTPUT */
53			/* */
54			/* None */
55			/* */
56			/* CALLS */
57			/* */
58			/* memmove Move a block of data */
59			/* */
60			/* CALLED BY */
61			/* */
62			/* GUIX Internal Code */
63			/* */
64			/* RELEASE HISTORY */
65			/* */
66			/* DATE NAME DESCRIPTION */
67			/* */
68			/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
69			/* 09-30-2020 Kenneth Maxwell Modified comment(s), */
70			/* resulting in version 6.1 */
71			/* */
72			/**************************************************************************/
73		242	VOID _gx_display_driver_8bpp_block_move(GX_DRAW_CONTEXT *context,
74			GX_RECTANGLE *block, INT xshift, INT yshift)
75			{
76			GX_UBYTE *pGet;
77			GX_UBYTE *pPut;
78			int width;
79			int y;
80			int height;
81
82	✓✓	242	if (xshift)
83			{
84	✓✓	218	if (xshift > 0)
85			{
86		110	pPut = (GX_UBYTE *)context -> gx_draw_context_memory;
87		110	pPut += block -> gx_rectangle_top * context -> gx_draw_context_pitch;
88		110	pPut += block -> gx_rectangle_left + xshift;
89
90		110	pGet = (GX_UBYTE *)context -> gx_draw_context_memory;
91		110	pGet += block -> gx_rectangle_top * context -> gx_draw_context_pitch;
92		110	pGet += block -> gx_rectangle_left;
93
94		110	width = block -> gx_rectangle_right - block -> gx_rectangle_left + 1 - xshift;
95
96	✓✓	110	if (width <= 0)
97			{
98			/* Shift distance is bigger than block with. */
99		1	return;
100			}
101
102	✓✓	12473	for (y = block -> gx_rectangle_top; y <= block -> gx_rectangle_bottom; y++)
103			{
104		12364	memmove(pPut, pGet, (size_t)width);
105
106		12364	pPut += context -> gx_draw_context_pitch;
107		12364	pGet += context -> gx_draw_context_pitch;
108			}
109			}
110			else
111			{
112			/* have to copy from left to right */
113		108	pPut = (GX_UBYTE *)context -> gx_draw_context_memory;
114		108	pPut += block -> gx_rectangle_top * context -> gx_draw_context_pitch;
115		108	pPut += block -> gx_rectangle_left;
116
117		108	pGet = (GX_UBYTE *)context -> gx_draw_context_memory;
118		108	pGet += block -> gx_rectangle_top * context -> gx_draw_context_pitch;
119		108	pGet += block -> gx_rectangle_left - xshift;
120
121		108	width = block -> gx_rectangle_right - block -> gx_rectangle_left + 1 + xshift;
122
123	✓✓	108	if (width <= 0)
124			{
125		1	return;
126			}
127
128	✓✓	12211	for (y = block -> gx_rectangle_top; y <= block -> gx_rectangle_bottom; y++)
129			{
130		12104	memmove(pPut, pGet, (size_t)width);
131
132		12104	pPut += context -> gx_draw_context_pitch;
133		12104	pGet += context -> gx_draw_context_pitch;
134			}
135			}
136			}
137			else
138			{
139		24	width = block -> gx_rectangle_right - block -> gx_rectangle_left + 1;
140
141	✓✓	24	if (yshift > 0)
142			{
143			/* have to copy from bottom to top */
144		12	pPut = (GX_UBYTE *)context -> gx_draw_context_memory;
145		12	pPut += block -> gx_rectangle_bottom * context -> gx_draw_context_pitch;
146		12	pPut += block -> gx_rectangle_left;
147
148		12	pGet = (GX_UBYTE *)context -> gx_draw_context_memory;
149		12	pGet += (block -> gx_rectangle_bottom - yshift) * context -> gx_draw_context_pitch;
150		12	pGet += block -> gx_rectangle_left;
151
152		12	height = block -> gx_rectangle_bottom - block -> gx_rectangle_top + 1 - yshift;
153
154	✓✓	1068	for (y = 0; y < height; y++)
155			{
156		1056	memmove(pPut, pGet, (size_t)width);
157
158		1056	pPut -= context -> gx_draw_context_pitch;
159		1056	pGet -= context -> gx_draw_context_pitch;
160			}
161			}
162			else
163			{
164			/* have to copy from top to bottom */
165		12	pPut = (GX_UBYTE *)context -> gx_draw_context_memory;
166		12	pPut += block -> gx_rectangle_top * context -> gx_draw_context_pitch;
167		12	pPut += block -> gx_rectangle_left;
168
169		12	pGet = (GX_UBYTE *)context -> gx_draw_context_memory;
170		12	pGet += (block -> gx_rectangle_top - yshift) * context -> gx_draw_context_pitch;
171		12	pGet += block -> gx_rectangle_left;
172
173		12	height = block -> gx_rectangle_bottom - block -> gx_rectangle_top + 1 + yshift;
174
175	✓✓	812	for (y = 0; y < height; y++)
176			{
177		800	memmove(pPut, pGet, (size_t)width);
178
179		800	pPut += context -> gx_draw_context_pitch;
180		800	pGet += context -> gx_draw_context_pitch;
181			}
182			}
183			}
184			}
185