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authorEdward Welbourne <edward.welbourne@qt.io>2017-01-12 18:02:45 +0100
committerEdward Welbourne <edward.welbourne@qt.io>2017-06-14 08:19:47 +0000
commita021bd87755ccfbe49e132f942ded935c9719b00 (patch)
tree1fe242bfb77cd4723ed01d4fdd1815ab6338c706 /src/quick
parent784ea8c09d448a418b3128be8bee14d9535e36c9 (diff)
Be (somewhat more) consistent about the value of pi
Use M_PI in C++ and Math.PI in JavaScript (including QML). Use qmath.h's value for M_PI where we can't avoid an explicit value. Task-number: QTBUG-58083 Change-Id: Iabe938aff62ceac27b939ec33c6ee5e854aac15e Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
Diffstat (limited to 'src/quick')
-rw-r--r--src/quick/doc/snippets/qml/layerblending.qml2
-rw-r--r--src/quick/doc/snippets/qml/opacitymask.qml2
-rw-r--r--src/quick/util/qquicksvgparser.cpp8
3 files changed, 5 insertions, 7 deletions
diff --git a/src/quick/doc/snippets/qml/layerblending.qml b/src/quick/doc/snippets/qml/layerblending.qml
index a922f7896c..3e75a607a6 100644
--- a/src/quick/doc/snippets/qml/layerblending.qml
+++ b/src/quick/doc/snippets/qml/layerblending.qml
@@ -62,7 +62,7 @@ Item {
uniform highp vec2 pixelSize;
varying highp vec2 qt_TexCoord0;
void main() {
- highp vec2 tc = sign(sin(3.14152 * qt_TexCoord0 * pixelSize));
+ highp vec2 tc = sign(sin(3.14159265358979323846 * qt_TexCoord0 * pixelSize));
if (tc.x != tc.y)
gl_FragColor = color1;
else
diff --git a/src/quick/doc/snippets/qml/opacitymask.qml b/src/quick/doc/snippets/qml/opacitymask.qml
index beffb633d6..beb5cc6f67 100644
--- a/src/quick/doc/snippets/qml/opacitymask.qml
+++ b/src/quick/doc/snippets/qml/opacitymask.qml
@@ -63,7 +63,7 @@ Item {
uniform highp vec2 pixelSize;
varying highp vec2 qt_TexCoord0;
void main() {
- highp vec2 tc = sign(sin(3.14152 * qt_TexCoord0 * pixelSize));
+ highp vec2 tc = sign(sin(3.14159265358979323846 * qt_TexCoord0 * pixelSize));
if (tc.x != tc.y)
gl_FragColor = color1;
else
diff --git a/src/quick/util/qquicksvgparser.cpp b/src/quick/util/qquicksvgparser.cpp
index 310b600965..086c6d0b28 100644
--- a/src/quick/util/qquicksvgparser.cpp
+++ b/src/quick/util/qquicksvgparser.cpp
@@ -45,8 +45,6 @@
QT_BEGIN_NAMESPACE
-static const double Q_PI = 3.14159265358979323846; // pi
-
//copied from Qt SVG (qsvghandler.cpp).
Q_CORE_EXPORT double qstrtod(const char *s00, char const **se, bool *ok);
// '0' is 0x30 and '9' is 0x39
@@ -253,11 +251,11 @@ void QQuickSvgParser::pathArc(QPainterPath &path,
th_arc = th1 - th0;
if (th_arc < 0 && sweep_flag)
- th_arc += 2 * Q_PI;
+ th_arc += 2 * M_PI;
else if (th_arc > 0 && !sweep_flag)
- th_arc -= 2 * Q_PI;
+ th_arc -= 2 * M_PI;
- n_segs = qCeil(qAbs(th_arc / (Q_PI * 0.5 + 0.001)));
+ n_segs = qCeil(qAbs(th_arc / (M_PI * 0.5 + 0.001)));
for (i = 0; i < n_segs; i++) {
pathArcSegment(path, xc, yc,