image/qplatformpixmap.cpp

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3** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). -
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40****************************************************************************/ -
41 -
42#include "qplatformpixmap.h" -
43#include <qpa/qplatformintegration.h> -
44#include <QtCore/qbuffer.h> -
45#include <QtGui/qbitmap.h> -
46#include <QtGui/qimagereader.h> -
47#include <private/qguiapplication_p.h> -
48#include <private/qimagepixmapcleanuphooks_p.h> -
49 -
50QT_BEGIN_NAMESPACE -
51 -
52/*! -
53 \class QPlatformPixmap -
54 \since 5.0 -
55 \internal -
56 \preliminary -
57 \ingroup qpa -
58 -
59 \brief The QPlatformPixmap class provides an abstraction for native pixmaps. -
60 */ -
61QPlatformPixmap *QPlatformPixmap::create(int w, int h, PixelType type) -
62{ -
63 QPlatformPixmap *data = QGuiApplicationPrivate::platformIntegration()->createPlatformPixmap(static_cast<QPlatformPixmap::PixelType>(type));
executed (the execution status of this line is deduced): QPlatformPixmap *data = QGuiApplicationPrivate::platformIntegration()->createPlatformPixmap(static_cast<QPlatformPixmap::PixelType>(type));
-
64 data->resize(w, h);
executed (the execution status of this line is deduced): data->resize(w, h);
-
65 return data;
executed: return data;
Execution Count:938
938
66} -
67 -
68 -
69QPlatformPixmap::QPlatformPixmap(PixelType pixelType, int objectId) -
70 : w(0), -
71 h(0), -
72 d(0), -
73 is_null(true), -
74 ref(0), -
75 detach_no(0), -
76 type(pixelType), -
77 id(objectId), -
78 ser_no(0), -
79 is_cached(false) -
80{ -
81}
executed: }
Execution Count:5017
5017
82 -
83QPlatformPixmap::~QPlatformPixmap() -
84{ -
85 // Sometimes the pixmap cleanup hooks will be called from derrived classes, which will -
86 // then set is_cached to false. For example, on X11 Qt GUI needs to delete the GLXPixmap -
87 // or EGL Pixmap Surface for a given pixmap _before_ the native X11 pixmap is deleted, -
88 // otherwise some drivers will leak the GL surface. In this case, QX11PlatformPixmap will -
89 // call the cleanup hooks itself before deleting the native pixmap and set is_cached to -
90 // false. -
91 if (is_cached) {
partially evaluated: is_cached
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:4995
0-4995
92 QImagePixmapCleanupHooks::executePlatformPixmapDestructionHooks(this);
never executed (the execution status of this line is deduced): QImagePixmapCleanupHooks::executePlatformPixmapDestructionHooks(this);
-
93 is_cached = false;
never executed (the execution status of this line is deduced): is_cached = false;
-
94 }
never executed: }
0
95}
executed: }
Execution Count:4995
4995
96 -
97QPlatformPixmap *QPlatformPixmap::createCompatiblePlatformPixmap() const -
98{ -
99 QPlatformPixmap *d = QGuiApplicationPrivate::platformIntegration()->createPlatformPixmap(pixelType());
never executed (the execution status of this line is deduced): QPlatformPixmap *d = QGuiApplicationPrivate::platformIntegration()->createPlatformPixmap(pixelType());
-
100 return d;
never executed: return d;
0
101} -
102 -
103static QImage makeBitmapCompliantIfNeeded(QPlatformPixmap *d, const QImage &image, Qt::ImageConversionFlags flags) -
104{ -
105 if (d->pixelType() == QPlatformPixmap::BitmapType) {
evaluated: d->pixelType() == QPlatformPixmap::BitmapType
TRUEFALSE
yes
Evaluation Count:1
yes
Evaluation Count:121
1-121
106 QImage img = image.convertToFormat(QImage::Format_MonoLSB, flags);
executed (the execution status of this line is deduced): QImage img = image.convertToFormat(QImage::Format_MonoLSB, flags);
-
107 -
108 // make sure image.color(0) == Qt::color0 (white) -
109 // and image.color(1) == Qt::color1 (black) -
110 const QRgb c0 = QColor(Qt::black).rgb();
executed (the execution status of this line is deduced): const QRgb c0 = QColor(Qt::black).rgb();
-
111 const QRgb c1 = QColor(Qt::white).rgb();
executed (the execution status of this line is deduced): const QRgb c1 = QColor(Qt::white).rgb();
-
112 if (img.color(0) == c0 && img.color(1) == c1) {
partially evaluated: img.color(0) == c0
TRUEFALSE
no
Evaluation Count:0
yes
Evaluation Count:1
never evaluated: img.color(1) == c1
0-1
113 img.invertPixels();
never executed (the execution status of this line is deduced): img.invertPixels();
-
114 img.setColor(0, c1);
never executed (the execution status of this line is deduced): img.setColor(0, c1);
-
115 img.setColor(1, c0);
never executed (the execution status of this line is deduced): img.setColor(1, c0);
-
116 }
never executed: }
0
117 return img;
executed: return img;
Execution Count:1
1
118 } -
119 -
120 return image;
executed: return image;
Execution Count:121
121
121} -
122 -
123void QPlatformPixmap::fromImageReader(QImageReader *imageReader, -
124 Qt::ImageConversionFlags flags) -
125{ -
126 const QImage image = imageReader->read();
never executed (the execution status of this line is deduced): const QImage image = imageReader->read();
-
127 fromImage(image, flags);
never executed (the execution status of this line is deduced): fromImage(image, flags);
-
128}
never executed: }
0
129 -
130bool QPlatformPixmap::fromFile(const QString &fileName, const char *format, -
131 Qt::ImageConversionFlags flags) -
132{ -
133 QImage image = QImageReader(fileName, format).read();
executed (the execution status of this line is deduced): QImage image = QImageReader(fileName, format).read();
-
134 if (image.isNull())
evaluated: image.isNull()
TRUEFALSE
yes
Evaluation Count:5
yes
Evaluation Count:122
5-122
135 return false;
executed: return false;
Execution Count:5
5
136 fromImage(makeBitmapCompliantIfNeeded(this, image, flags), flags);
executed (the execution status of this line is deduced): fromImage(makeBitmapCompliantIfNeeded(this, image, flags), flags);
-
137 return !isNull();
executed: return !isNull();
Execution Count:122
122
138} -
139 -
140bool QPlatformPixmap::fromData(const uchar *buf, uint len, const char *format, Qt::ImageConversionFlags flags) -
141{ -
142 QByteArray a = QByteArray::fromRawData(reinterpret_cast<const char *>(buf), len);
never executed (the execution status of this line is deduced): QByteArray a = QByteArray::fromRawData(reinterpret_cast<const char *>(buf), len);
-
143 QBuffer b(&a);
never executed (the execution status of this line is deduced): QBuffer b(&a);
-
144 b.open(QIODevice::ReadOnly);
never executed (the execution status of this line is deduced): b.open(QIODevice::ReadOnly);
-
145 QImage image = QImageReader(&b, format).read();
never executed (the execution status of this line is deduced): QImage image = QImageReader(&b, format).read();
-
146 if (image.isNull())
never evaluated: image.isNull()
0
147 return false;
never executed: return false;
0
148 fromImage(makeBitmapCompliantIfNeeded(this, image, flags), flags);
never executed (the execution status of this line is deduced): fromImage(makeBitmapCompliantIfNeeded(this, image, flags), flags);
-
149 return !isNull();
never executed: return !isNull();
0
150} -
151 -
152void QPlatformPixmap::copy(const QPlatformPixmap *data, const QRect &rect) -
153{ -
154 fromImage(data->toImage(rect), Qt::NoOpaqueDetection);
never executed (the execution status of this line is deduced): fromImage(data->toImage(rect), Qt::NoOpaqueDetection);
-
155}
never executed: }
0
156 -
157bool QPlatformPixmap::scroll(int dx, int dy, const QRect &rect) -
158{ -
159 Q_UNUSED(dx);
never executed (the execution status of this line is deduced): (void)dx;;
-
160 Q_UNUSED(dy);
never executed (the execution status of this line is deduced): (void)dy;;
-
161 Q_UNUSED(rect);
never executed (the execution status of this line is deduced): (void)rect;;
-
162 return false;
never executed: return false;
0
163} -
164 -
165QPixmap QPlatformPixmap::transformed(const QTransform &matrix, -
166 Qt::TransformationMode mode) const -
167{ -
168 return QPixmap::fromImage(toImage().transformed(matrix, mode));
executed: return QPixmap::fromImage(toImage().transformed(matrix, mode));
Execution Count:103
103
169} -
170 -
171void QPlatformPixmap::setSerialNumber(int serNo) -
172{ -
173 ser_no = serNo;
executed (the execution status of this line is deduced): ser_no = serNo;
-
174}
executed: }
Execution Count:5219
5219
175 -
176QImage QPlatformPixmap::toImage(const QRect &rect) const -
177{ -
178 if (rect.contains(QRect(0, 0, w, h)))
never evaluated: rect.contains(QRect(0, 0, w, h))
0
179 return toImage();
never executed: return toImage();
0
180 else -
181 return toImage().copy(rect);
never executed: return toImage().copy(rect);
0
182} -
183 -
184QImage* QPlatformPixmap::buffer() -
185{ -
186 return 0;
never executed: return 0;
0
187} -
188 -
189 -
190QT_END_NAMESPACE -
191 -
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