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cache the background color on which arrow is based so don't have to

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compute its blackness each time.
This commit is contained in:
Andy2 2011-01-17 20:39:35 -08:00
parent e9e54ba379
commit 8d52149c28
1 changed files with 13 additions and 8 deletions
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21
xwords4/android/XWords4/src/org/eehouse/android/xw4/BoardView.java
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@ -65,6 +65,8 @@ public class BoardView extends View implements DrawCtx, BoardHandler,
private Drawable m_rightArrow;
private Drawable m_downArrow;
private boolean m_blackArrow;
// m_backgroundUsed: alpha not set ensures inequality
private int m_backgroundUsed = 0x00000000;
private Drawable m_origin;
private int m_left, m_top;
private JNIThread m_jniThread;
@ -524,15 +526,18 @@ public class BoardView extends View implements DrawCtx, BoardHandler,
// figure out if the background is more dark than light
int sum = 0;
int background = m_otherColors[ CommonPrefs.COLOR_BKGND ];
for ( int ii = 0; ii < 3; ++ii ) {
sum += background & 0xFF;
background >>= 8;
}
boolean blackArrow = sum > (127 * 3);
if ( background != m_backgroundUsed ) {
m_backgroundUsed = background;
for ( int ii = 0; ii < 3; ++ii ) {
sum += background & 0xFF;
background >>= 8;
}
boolean blackArrow = sum > (127 * 3);
if ( m_blackArrow != blackArrow ) {
m_blackArrow = blackArrow;
m_downArrow = m_rightArrow = null;
if ( m_blackArrow != blackArrow ) {
m_blackArrow = blackArrow;
m_downArrow = m_rightArrow = null;
}
}
if ( vert ) {
if ( null == m_downArrow ) {