iphone - Having problems splitting up UIImageView into smaller images -

-

i'm trying take uiimageview, resize image , display it. want break image smaller pieces , display them.

the resized image displays correctly appears "split up" images big; i'm thinking coming original (slightly bigger) image. following screenshot shows resized image on left , column of split images left hand side.

enter image description here

the fact resized image displaying correctly , smaller ones aren't has me confused. ideas appreciated - or alternative. here code:

- (void)viewdidload {     [super viewdidload];     // additional setup after loading view, typically nib.     width = imgoriginal.frame.size.width;     height = imgoriginal.frame.size.height;     whratio = width/height;      [self getoriginalimageinfo];     [self resizeimage];     resizedimage = [self resizeimage]; }  -(void) getoriginalimageinfo {     lblwidth.text = [nsstring stringwithformat:@"%0.2f", width];     lblheight.text = [nsstring stringwithformat:@"%0.2f", height];     lblwhratio.text = [nsstring stringwithformat:@"%0.2f", whratio]; }   -(uiimageview*) resizeimage {     if (whratio >= 0.7 && whratio <=0.89) {         imgoriginal.frame = cgrectmake(20, 20, 500, 600);         imgoriginal.autoresizingmask = no;         float resizedwhratio = (imgoriginal.frame.size.width)/(imgoriginal.frame.size.height);         lblresizedwidth.text = [nsstring stringwithformat:@"%0.2f", imgoriginal.frame.size.width];         lblresizedheight.text = [nsstring stringwithformat:@"%0.2f", imgoriginal.frame.size.height];         lblresizedwhratio.text = [nsstring stringwithformat:@"%0.2f", resizedwhratio];         return imgoriginal;     }     return nil; }  - (ibaction)easypressed:(id)sender {     nslog(@"easy button pressed");     cgimageref original = [resizedimage.image cgimage];     float piecewidth = (resizedimage.frame.size.width) / 5;     float pieceheight = (resizedimage.frame.size.height) / 6;     (int =0; i<6; i++) {         cgrect rectangle = cgrectmake(0, 0+((float)i*pieceheight), piecewidth, pieceheight);         cgimageref newtile =  cgimagecreatewithimageinrect(original, rectangle);         uiimageview *puzzlepiece = [[uiimageview alloc] initwithframe:cgrectmake(611, 20+((float)i*pieceheight), piecewidth, pieceheight)];         puzzlepiece.tag = i+1;         puzzlepiece.image = [uiimage imagewithcgimage:newtile];         puzzlepiece.alpha = 0.5;         [puzzlepiece.layer setbordercolor: [[uicolor blackcolor] cgcolor]];         [puzzlepiece.layer setborderwidth: 1.0];         [self.view addsubview:puzzlepiece];     } }

try applying same scaling factor partial images main image!!!

or

take screenshot of uiimageview being displayed , split instead.


Comments

Post a Comment

Popular posts from this blog

django - How can I change user group without delete record -

-
on website user have 1 group. , user can change group. it's made user.groups.clear() and user.groups.add(new_group) but it's not efficient, because there 2 sql query: delete, insert. how can change group update query? user , group related each other using manytomanyfield . means intersection table exists relating both entities, , if don't specify model map (using through attribute) django creates 1 you. looking @ sources django.contrib.auth.models see that's case. fortunatly, can access intermediary model using through attribute of manager (in case, user.groups.through ). can use regular model. example: >>> alice = user.objects.create_user('alice', 'alice@example.com', 'alicepw') >>> employee = group.objects.create(name='employee') >>> manager = group.objects.create(name='manager') >>> alice.groups.add(employee) >>> alice.groups.all() [<group: employee...
Read more

java - Need to add SOAP security token -

-
i need set custom soap header attribute on jax-ws generated webservice client. case webservice calls must go through proxy server requiring specific token (recieved web request header) present in soap request header. e.g.: 1 carserviceservice service = null; 2 service = new carserviceservice(new url(url), new qname(qname); 3 carserviceendpoint port = service.getcarserviceport(); it seems in line 3 wsdl retrieved , call fails due missing security token. 1 point direction on how done? a detailed example has been mentioned here: creating , deploying jax-ws web service on tomcat 6 this article shows how create , use security token .
Read more

java - EclipseLink JPA Object is not a known entity type -

-
i have strange problem eclipselink , object want persist. have 1 object (keypointlistimpl) stores object keypointimpl in list. persisting keypointimpl objects works great if try persist keypointlistimpl object java.lang.illegalargumentexception says object keypointimpl isn't known entity type. here keypointimpl code: @entity @table(name="keypoints") public class keypointimpl implements keypoint { @id @generatedvalue(strategy = generationtype.identity) private int id; @enumerated(enumtype.string) private detectortype keypointtype; private float x; private float y; private float size; private float angle; private float response; private int octave; private int classid; ... } here keypointlistimpl code: @entity @table(name="keypointlists") public class keypointlistimpl implements keypointlist { @id @generatedvalue(strategy = generationtype.identity) private int id; @onetoone(cascade={ca...
Read more