2014/10/15 下午 10:04:57

iphone Programming Glossary: ceil

adjust corners and crop the image openCV

http://stackoverflow.com/questions/13098073/adjust-corners-and-crop-the-image-opencv

0 imageVertices 2 calc paper paperVertices take orientation into account if distanceP1P2 distanceP1P3 scaleFactor ceil lroundf distanceP1P2 paperHeight we always want to scale the image down to maintain the best quality possible paperImage.. scaleFactor paperVertices 3 cv Point paperHeight scaleFactor paperWidth scaleFactor else isLandscape false scaleFactor ceil lroundf distanceP1P3 paperHeight we always want to scale the image down to maintain the best quality possible paperImage..

Image gallery and animations like Facebook

http://stackoverflow.com/questions/16780843/image-gallery-and-animations-like-facebook

photoScroll addSubview btnImage photoScroll setContentSize CGSizeMake self.view.frame.size.width ceil photosCount photosInRow thumbHeight padding thumbHeight 64 self.view addSubview photoScroll You would see that i am using..

Check whether zoom level changed

http://stackoverflow.com/questions/4359424/check-whether-zoom-level-changed

MKZoomScale is just a CGFloat typedef double zoomExponent log2 zoomScale zoomLevel NSUInteger MAXIMUM_ZOOM ceil zoomExponent return zoomLevel You could probably just stop at the step for calculating the zoomScale as that will tell you..

Find exact difference between two dates

http://stackoverflow.com/questions/4544406/find-exact-difference-between-two-dates

How to use NSString's sizeWithFont and drawInRect to workout how much of a string to draw

http://stackoverflow.com/questions/4965809/how-to-use-nsstrings-sizewithfont-and-drawinrect-to-workout-how-much-of-a-strin

to . To find the number of pages required just divide the total height by the height of one page. NSInteger totalPages ceil expectedSize.height heightOfOnePage You would also want to adjust the height of one page to make sure that the last line..

How can I improve the performance of my custom OpenGL ES 2.0 depth texture generation?

http://stackoverflow.com/questions/6051237/how-can-i-improve-the-performance-of-my-custom-opengl-es-2-0-depth-texture-gener

normalizedDepth adjustedSphereRadius calculatedDepth Inlined color encoding for the depth values float ceiledValue ceil currentDepthValue 765.0 vec3 intDepthValue vec3 ceiledValue scaleDownFactor stepValues gl_FragColor vec4 intDepthValue.. normalizedDepth adjustedSphereRadius calculatedDepth Inlined color encoding for the depth values float ceiledValue ceil currentDepthValue 765.0 vec3 intDepthValue vec3 ceiledValue scaleDownFactor stepValues gl_FragColor vec4 intDepthValue 1.0.. Inlined color encoding for the depth values float ceiledValue ceil currentDepthValue 765.0 vec3 intDepthValue vec3 ceiledValue scaleDownFactor stepValues gl_FragColor vec4 intDepthValue 1.0 On an iPad 1 this takes 35 68 ms to render a frame..

How to align baselines of text in UILabels with different font sizes on iOS?

http://stackoverflow.com/questions/9910766/how-to-align-baselines-of-text-in-uilabels-with-different-font-sizes-on-ios

CGFloat minorLabelBaselineInOwnView CGRectGetHeight minorLabel.frame minorLabel.font.descender changedFrame.origin.y ceil majorLabelBaselineInSuperView minorLabelBaselineInOwnView scale scale minorLabel.frame changedFrame share improve this..