1
2 /*
3 Copyright (c) 2003-2007 Clarence Dang <dang@kde.org>
4 All rights reserved.
5
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions
8 are met:
9
10 1. Redistributions of source code must retain the above copyright
11 notice, this list of conditions and the following disclaimer.
12 2. Redistributions in binary form must reproduce the above copyright
13 notice, this list of conditions and the following disclaimer in the
14 documentation and/or other materials provided with the distribution.
15
16 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28
29 #define DEBUG_KP_ZOOMED_THUMBNAIL_VIEW 0
30
31
32 #include "views/kpZoomedThumbnailView.h"
33
34 #include "kpLogCategories.h"
35 #include "document/kpDocument.h"
36 #include "views/manager/kpViewManager.h"
37
38 #include <KLocalizedString>
39
40 //--------------------------------------------------------------------------------
41
kpZoomedThumbnailView(kpDocument * document,kpToolToolBar * toolToolBar,kpViewManager * viewManager,kpView * buddyView,kpViewScrollableContainer * scrollableContainer,QWidget * parent)42 kpZoomedThumbnailView::kpZoomedThumbnailView (kpDocument *document,
43 kpToolToolBar *toolToolBar,
44 kpViewManager *viewManager,
45 kpView *buddyView,
46 kpViewScrollableContainer *scrollableContainer,
47 QWidget *parent )
48
49 : kpThumbnailView (document, toolToolBar, viewManager,
50 buddyView,
51 scrollableContainer,
52 parent)
53 {
54 // Call to virtual function - this is why the class is sealed
55 adjustToEnvironment ();
56 }
57
58
59 kpZoomedThumbnailView::~kpZoomedThumbnailView () = default;
60
61
62 // public virtual [base kpThumbnailView]
caption() const63 QString kpZoomedThumbnailView::caption () const
64 {
65 return i18n ("%1% - Thumbnail", zoomLevelX ());
66 }
67
68
69 // public slot virtual [base kpView]
adjustToEnvironment()70 void kpZoomedThumbnailView::adjustToEnvironment ()
71 {
72 #if DEBUG_KP_ZOOMED_THUMBNAIL_VIEW
73 qCDebug(kpLogViews) << "kpZoomedThumbnailView(" << name ()
74 << ")::adjustToEnvironment()"
75 << " width=" << width ()
76 << " height=" << height ()
77 << endl;
78 #endif
79
80 if (!document ()) {
81 return;
82 }
83
84 #if DEBUG_KP_ZOOMED_THUMBNAIL_VIEW
85 qCDebug(kpLogViews) << "\tdoc: width=" << document ()->width ()
86 << " height=" << document ()->height ()
87 << endl;
88 #endif
89
90 if (document ()->width () <= 0 || document ()->height () <= 0)
91 {
92 qCCritical(kpLogViews) << "kpZoomedThumbnailView::adjustToEnvironment() doc:"
93 << " width=" << document ()->width ()
94 << " height=" << document ()->height ();
95 return;
96 }
97
98
99 int hzoom = qMax (1, width () * 100 / document ()->width ());
100 int vzoom = qMax (1, height () * 100 / document ()->height ());
101
102 // keep aspect ratio
103 if (hzoom < vzoom) {
104 vzoom = hzoom;
105 }
106 else {
107 hzoom = vzoom;
108 }
109
110 #if DEBUG_KP_ZOOMED_THUMBNAIL_VIEW && 1
111 qCDebug(kpLogViews) << "\tproposed zoom=" << hzoom;
112 #endif
113 if (hzoom > 100 || vzoom > 100)
114 {
115 #if DEBUG_KP_ZOOMED_THUMBNAIL_VIEW && 1
116 qCDebug(kpLogViews) << "\twon't magnify - setting zoom to 100%";
117 #endif
118 hzoom = 100;
119 vzoom = 100;
120 }
121
122
123 if (viewManager ()) {
124 viewManager ()->setQueueUpdates ();
125 }
126
127 {
128 setZoomLevel (hzoom, vzoom);
129
130 setOrigin (QPoint ((width () - zoomedDocWidth ()) / 2,
131 (height () - zoomedDocHeight ()) / 2));
132 setMaskToCoverDocument ();
133
134 if (viewManager ()) {
135 viewManager ()->updateView (this);
136 }
137 }
138
139 if (viewManager ()) {
140 viewManager ()->restoreQueueUpdates ();
141 }
142 }
143
144
145