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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	gx_system_dirty_partial_add.c	Lines:	58	58	100.0 %
Date:	2024-12-05 08:52:37	Branches:	38	38	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                                                        */
/**                                                                       */
/**   System Management (System)                                          */
/**                                                                       */
/**************************************************************************/

#define GX_SOURCE_CODE


/* Include necessary system files.  */

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


/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _gx_system_dirty_partial_add                        PORTABLE C      */
/*                                                           6.1          */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Kenneth Maxwell, Microsoft Corporation                              */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This service marks the partial area of this widget as dirty.        */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    widget                                Pointer to widget control     */
/*                                            block                       */
/*    dirty_area                            Dirty area of widget to add   */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    status                                Completion status             */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    GX_ENTER_CRITICAL                     Enter critical section        */
/*    _gx_utility_rectangle_overlap_detect  Detect overlapping rectangles */
/*    _gx_utility_rectangle_combine         Combine two rectangles        */
/*    GX_EXIT_CRITICAL                      Exit critical section         */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    Application Code                                                    */
/*    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_system_dirty_entry_shift(GX_WIDGET *widget, INT xShift, INT yShift)
{
UINT            index;
GX_DIRTY_AREA  *dirty_entry;
GX_WIDGET      *test;
GX_WINDOW_ROOT *root;
GX_CANVAS      *canvas;

    if (!widget)
    {
        return;
    }
    if ((widget -> gx_widget_status & (GX_STATUS_VISIBLE | GX_STATUS_DIRTY)) != (GX_STATUS_VISIBLE | GX_STATUS_DIRTY))
    {
        return;
    }

    /* lock access before linked list update */
    GX_ENTER_CRITICAL

    /* walk up to find root window */
    test = widget;

    while (test -> gx_widget_parent)
    {
        test = test -> gx_widget_parent;
    }

    if (test -> gx_widget_type != GX_TYPE_ROOT_WINDOW)
    {
        GX_EXIT_CRITICAL
        return;
    }

    root = (GX_WINDOW_ROOT *)test;

    /* pick up pointer to canvas */
    canvas = root -> gx_window_root_canvas;

    /* Setup pointer to dirty list.  */

    dirty_entry = canvas -> gx_canvas_dirty_list;

    /* Find existing entrie(s)  */
    for (index = 0; index < canvas -> gx_canvas_dirty_count; index++)
    {
        if (dirty_entry -> gx_dirty_area_widget == widget)
        {
            _gx_utility_rectangle_shift(&dirty_entry -> gx_dirty_area_rectangle, (GX_VALUE)xShift, (GX_VALUE)yShift);
        }

        /* Move to next dirty entry.  */
        dirty_entry++;
    }
    GX_EXIT_CRITICAL
}

#ifndef GUIX_STUDIO
UINT  _gx_system_dirty_partial_add(GX_WIDGET *widget, GX_RECTANGLE *dirty_area)
{

UINT            index;
GX_DIRTY_AREA  *dirty_entry;
GX_WIDGET      *test;
GX_WINDOW_ROOT *root;
GX_CANVAS      *canvas;

    if (!widget)
    {
        return GX_PTR_ERROR;
    }
    if (!(widget -> gx_widget_status & GX_STATUS_VISIBLE))
    {
        return GX_PTR_ERROR;
    }

    /* lock access before linked list update */
    GX_ENTER_CRITICAL

    /* if a widget is transparent, we actually need to mark it's
       first non-transparent parent as being dirty
     */

    while(widget -> gx_widget_parent)
    {
        if (widget -> gx_widget_status & GX_STATUS_TRANSPARENT)
        {
            widget = widget -> gx_widget_parent;
        }
        else
        {
            break;
        }
    }

    /* walk up to find root window */
    test = widget;

    while (test -> gx_widget_parent)
    {
        test = test -> gx_widget_parent;
    }

    if (test -> gx_widget_type != GX_TYPE_ROOT_WINDOW)
    {
        GX_EXIT_CRITICAL
        return GX_PTR_ERROR;
    }

    root = (GX_WINDOW_ROOT *)test;

    /* pick up pointer to canvas */
    canvas = root -> gx_window_root_canvas;

    /* if we are running low on dirty-area records, only allow
       marking the root as dirty
     */
    if (canvas -> gx_canvas_dirty_count >= GX_MAX_DIRTY_AREAS - 1)
    {
        widget = (GX_WIDGET *)root;
    }

    /* Setup pointer to dirty list.  */

    dirty_entry = canvas -> gx_canvas_dirty_list;

    /* Check to see if widget already has an entry.  */
    if (widget -> gx_widget_status & GX_STATUS_DIRTY)
    {
        for (index = 0; index < canvas -> gx_canvas_dirty_count; index++)
        {
            /* Is the same widget is present. */
            if (dirty_entry -> gx_dirty_area_widget == widget)
            {
                /* if rectangles overlap or if we are running low on dirty area,
                   records, combine them rather than adding another entry
                 */
                if (canvas -> gx_canvas_dirty_count >= GX_MAX_DIRTY_AREAS - 1 ||
                    _gx_utility_rectangle_overlap_detect(&dirty_entry -> gx_dirty_area_rectangle,
                                                         dirty_area, GX_NULL))
                {
                    /* Combine the dirty rectangles.  */
                    _gx_utility_rectangle_combine(&dirty_entry -> gx_dirty_area_rectangle, dirty_area);

                    /* Return success.  */
                    GX_EXIT_CRITICAL
                    return(GX_SUCCESS);
                }
            }

            /* Move to next dirty entry.  */
            dirty_entry++;
        }
    }

    /* If we get here, we didn't find an entry for this caller. Add a new entry.  */

    /* Are there more dirty entries?  */
    if (canvas -> gx_canvas_dirty_count < GX_MAX_DIRTY_AREAS)
    {
        /* Yes, more dirty entries, add this one!  */
        dirty_entry = &canvas -> gx_canvas_dirty_list[canvas -> gx_canvas_dirty_count];
        canvas -> gx_canvas_dirty_count++;
        dirty_entry -> gx_dirty_area_widget =    widget;
        dirty_entry -> gx_dirty_area_rectangle = *dirty_area;
        widget -> gx_widget_status |= GX_STATUS_DIRTY;
    }

    /* end of critical section */
    GX_EXIT_CRITICAL

    /* Return success. */
    return(GX_SUCCESS);
}

#endif



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			/** System Management (System) */
18			/** */
19			/**************************************************************************/
20
21			#define GX_SOURCE_CODE
22
23
24			/* Include necessary system files. */
25
26			#include "gx_api.h"
27			#include "gx_system.h"
28			#include "gx_utility.h"
29
30
31			/**************************************************************************/
32			/* */
33			/* FUNCTION RELEASE */
34			/* */
35			/* _gx_system_dirty_partial_add PORTABLE C */
36			/* 6.1 */
37			/* AUTHOR */
38			/* */
39			/* Kenneth Maxwell, Microsoft Corporation */
40			/* */
41			/* DESCRIPTION */
42			/* */
43			/* This service marks the partial area of this widget as dirty. */
44			/* */
45			/* INPUT */
46			/* */
47			/* widget Pointer to widget control */
48			/* block */
49			/* dirty_area Dirty area of widget to add */
50			/* */
51			/* OUTPUT */
52			/* */
53			/* status Completion status */
54			/* */
55			/* CALLS */
56			/* */
57			/* GX_ENTER_CRITICAL Enter critical section */
58			/* _gx_utility_rectangle_overlap_detect Detect overlapping rectangles */
59			/* _gx_utility_rectangle_combine Combine two rectangles */
60			/* GX_EXIT_CRITICAL Exit critical section */
61			/* */
62			/* CALLED BY */
63			/* */
64			/* Application Code */
65			/* GUIX Internal Code */
66			/* */
67			/* RELEASE HISTORY */
68			/* */
69			/* DATE NAME DESCRIPTION */
70			/* */
71			/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
72			/* 09-30-2020 Kenneth Maxwell Modified comment(s), */
73			/* resulting in version 6.1 */
74			/* */
75			/**************************************************************************/
76		6380	VOID _gx_system_dirty_entry_shift(GX_WIDGET *widget, INT xShift, INT yShift)
77			{
78			UINT index;
79			GX_DIRTY_AREA *dirty_entry;
80			GX_WIDGET *test;
81			GX_WINDOW_ROOT *root;
82			GX_CANVAS *canvas;
83
84	✓✓	6380	if (!widget)
85			{
86		1	return;
87			}
88	✓✓	6379	if ((widget -> gx_widget_status & (GX_STATUS_VISIBLE \| GX_STATUS_DIRTY)) != (GX_STATUS_VISIBLE \| GX_STATUS_DIRTY))
89			{
90		19	return;
91			}
92
93			/* lock access before linked list update */
94		6360	GX_ENTER_CRITICAL
95
96			/* walk up to find root window */
97		6360	test = widget;
98
99	✓✓	25448	while (test -> gx_widget_parent)
100			{
101		19088	test = test -> gx_widget_parent;
102			}
103
104	✓✓	6360	if (test -> gx_widget_type != GX_TYPE_ROOT_WINDOW)
105			{
106		1	GX_EXIT_CRITICAL
107		1	return;
108			}
109
110		6359	root = (GX_WINDOW_ROOT *)test;
111
112			/* pick up pointer to canvas */
113		6359	canvas = root -> gx_window_root_canvas;
114
115			/* Setup pointer to dirty list. */
116
117		6359	dirty_entry = canvas -> gx_canvas_dirty_list;
118
119			/* Find existing entrie(s) */
120	✓✓	27693	for (index = 0; index < canvas -> gx_canvas_dirty_count; index++)
121			{
122	✓✓	21334	if (dirty_entry -> gx_dirty_area_widget == widget)
123			{
124		731	_gx_utility_rectangle_shift(&dirty_entry -> gx_dirty_area_rectangle, (GX_VALUE)xShift, (GX_VALUE)yShift);
125			}
126
127			/* Move to next dirty entry. */
128		21334	dirty_entry++;
129			}
130		6359	GX_EXIT_CRITICAL
131			}
132
133			#ifndef GUIX_STUDIO
134		365689	UINT _gx_system_dirty_partial_add(GX_WIDGET widget, GX_RECTANGLE dirty_area)
135			{
136
137			UINT index;
138			GX_DIRTY_AREA *dirty_entry;
139			GX_WIDGET *test;
140			GX_WINDOW_ROOT *root;
141			GX_CANVAS *canvas;
142
143	✓✓	365689	if (!widget)
144			{
145		1	return GX_PTR_ERROR;
146			}
147	✓✓	365688	if (!(widget -> gx_widget_status & GX_STATUS_VISIBLE))
148			{
149		52347	return GX_PTR_ERROR;
150			}
151
152			/* lock access before linked list update */
153		313341	GX_ENTER_CRITICAL
154
155			/* if a widget is transparent, we actually need to mark it's
156			first non-transparent parent as being dirty
157			*/
158
159	✓✓	421512	while(widget -> gx_widget_parent)
160			{
161	✓✓	338057	if (widget -> gx_widget_status & GX_STATUS_TRANSPARENT)
162			{
163		108171	widget = widget -> gx_widget_parent;
164			}
165			else
166			{
167		229886	break;
168			}
169			}
170
171			/* walk up to find root window */
172		313341	test = widget;
173
174	✓✓	657555	while (test -> gx_widget_parent)
175			{
176		344214	test = test -> gx_widget_parent;
177			}
178
179	✓✓	313341	if (test -> gx_widget_type != GX_TYPE_ROOT_WINDOW)
180			{
181		3	GX_EXIT_CRITICAL
182		3	return GX_PTR_ERROR;
183			}
184
185		313338	root = (GX_WINDOW_ROOT *)test;
186
187			/* pick up pointer to canvas */
188		313338	canvas = root -> gx_window_root_canvas;
189
190			/* if we are running low on dirty-area records, only allow
191			marking the root as dirty
192			*/
193	✓✓	313338	if (canvas -> gx_canvas_dirty_count >= GX_MAX_DIRTY_AREAS - 1)
194			{
195		2911	widget = (GX_WIDGET *)root;
196			}
197
198			/* Setup pointer to dirty list. */
199
200		313338	dirty_entry = canvas -> gx_canvas_dirty_list;
201
202			/* Check to see if widget already has an entry. */
203	✓✓	313338	if (widget -> gx_widget_status & GX_STATUS_DIRTY)
204			{
205	✓✓	227370	for (index = 0; index < canvas -> gx_canvas_dirty_count; index++)
206			{
207			/* Is the same widget is present. */
208	✓✓	151726	if (dirty_entry -> gx_dirty_area_widget == widget)
209			{
210			/* if rectangles overlap or if we are running low on dirty area,
211			records, combine them rather than adding another entry
212			*/
213	✓✓✓✓	99402	if (canvas -> gx_canvas_dirty_count >= GX_MAX_DIRTY_AREAS - 1 \|\|
214		49648	_gx_utility_rectangle_overlap_detect(&dirty_entry -> gx_dirty_area_rectangle,
215			dirty_area, GX_NULL))
216			{
217			/* Combine the dirty rectangles. */
218		27801	_gx_utility_rectangle_combine(&dirty_entry -> gx_dirty_area_rectangle, dirty_area);
219
220			/* Return success. */
221		27801	GX_EXIT_CRITICAL
222		27801	return(GX_SUCCESS);
223			}
224			}
225
226			/* Move to next dirty entry. */
227		123925	dirty_entry++;
228			}
229			}
230
231			/* If we get here, we didn't find an entry for this caller. Add a new entry. */
232
233			/* Are there more dirty entries? */
234	✓✓	285537	if (canvas -> gx_canvas_dirty_count < GX_MAX_DIRTY_AREAS)
235			{
236			/* Yes, more dirty entries, add this one! */
237		284137	dirty_entry = &canvas -> gx_canvas_dirty_list[canvas -> gx_canvas_dirty_count];
238		284137	canvas -> gx_canvas_dirty_count++;
239		284137	dirty_entry -> gx_dirty_area_widget = widget;
240		284137	dirty_entry -> gx_dirty_area_rectangle = *dirty_area;
241		284137	widget -> gx_widget_status \|= GX_STATUS_DIRTY;
242			}
243
244			/* end of critical section */
245		285537	GX_EXIT_CRITICAL
246
247			/* Return success. */
248		285537	return(GX_SUCCESS);
249			}
250
251			#endif
252