如何处理-hd文件

时间:2012-04-19 16:28:20

标签: iphone crash uiimage cocos2d-iphone

编辑:在第一个回答之后我更多地了解了stackoverflow并将问题重新解释为“我怎么才能只使用高清文件?”并找到了这个:How do I stop Cocos2D from requiring standard definition resources (SD images)?我现在将尝试提出的解决方案如果它有效,我将保留编辑过的标题并删除可能会产生误导的初始问题。

有一段时间我正在尝试学习Cocos2d并使用cookbooklearn cocos2d之类的书籍。这些都是一个很好的开始,但有时我会遇到像我今天要解释的问题。

我在第66页的书1中开始修改使用CCParallaxNode的示例。我的目标是添加以下大小的四个层:960像素高和1280像素,在iOS 5.0的iPhone模拟器上运行使用Cocos2d 1.01 rc库。

我使用安装的模板创建了一个新项目,并修改了HelloWorldLayer.m类,如下所示:

// Import the interfaces
#import "HelloWorldLayer.h"

// HelloWorldLayer implementation
@implementation HelloWorldLayer
+(CCScene *) scene
{
    // 'scene' is an autorelease object.
    CCScene *scene = [CCScene node];

    // 'layer' is an autorelease object.
    HelloWorldLayer *layer = [HelloWorldLayer node];

    // add layer as a child to scene
    [scene addChild: layer];

    // return the scene
    return scene;
}

// on "init" you need to initialize your instance
-(id) init
{
    // always call "super" init
    // Apple recommends to re-assign "self" with the "super" return value
    if( (self=[super init])) {

        CCSprite* parallaxLayer01 = [CCSprite spriteWithFile:@"0-hd-red.png"];  
        CCSprite* parallaxLayer02 = [CCSprite spriteWithFile:@"0-hd-red.png"];
        CCSprite* parallaxLayer03 = [CCSprite spriteWithFile:@"0-hd-red.png"];
        CCSprite* parallaxLayer04 = [CCSprite spriteWithFile:@"0-hd-red.png"];  

        /**
        CCSprite* parallaxLayer01 = [CCSprite spriteWithFile:@"0-hd.png"];  
        CCSprite* parallaxLayer02 = [CCSprite spriteWithFile:@"1-hd.png"];
        CCSprite* parallaxLayer03 = [CCSprite spriteWithFile:@"2-hd.png"];
        CCSprite* parallaxLayer04 = [CCSprite spriteWithFile:@"3-hd.png"];    
      **/

        /**
         CCSprite* parallaxLayer01 = [CCSprite spriteWithFile:@"2-hd.png"]; 
        CCSprite* parallaxLayer02 = [CCSprite spriteWithFile:@"2-hd.png"];
        CCSprite* parallaxLayer03 = [CCSprite spriteWithFile:@"2-hd.png"];
        CCSprite* parallaxLayer04 = [CCSprite spriteWithFile:@"2-hd.png"];    

**/
        /**
        CCSprite* parallaxLayer01 = [CCSprite spriteWithFile:@"bar.png"];   
        CCSprite* parallaxLayer02 = [CCSprite spriteWithFile:@"bar.png"];
        CCSprite* parallaxLayer03 = [CCSprite spriteWithFile:@"bar.png"];
        CCSprite* parallaxLayer04 = [CCSprite spriteWithFile:@"bar.png"];    
        **/
        /**
        CCSprite* parallaxLayer01 = [CCSprite spriteWithFile:@"bar-hd.png"];    
        CCSprite* parallaxLayer02 = [CCSprite spriteWithFile:@"bar-hd.png"];
        CCSprite* parallaxLayer03 = [CCSprite spriteWithFile:@"bar-hd.png"];
        CCSprite* parallaxLayer04 = [CCSprite spriteWithFile:@"bar-hd.png"];    
        **/

        //Create a parallax node and add all four sprites
        CCParallaxNode* parallaxNode = [CCParallaxNode node];
        [parallaxNode setPosition:ccp(0,0)];
        [parallaxNode addChild:parallaxLayer01 z:1 parallaxRatio:ccp(0, 0) positionOffset:ccp(0,0)];
        [parallaxNode addChild:parallaxLayer02 z:2 parallaxRatio:ccp(1, 0) positionOffset:ccp(0,0)];
        [parallaxNode addChild:parallaxLayer03 z:3 parallaxRatio:ccp(2, 0) positionOffset:ccp(0,0)];
        [parallaxNode addChild:parallaxLayer04 z:4 parallaxRatio:ccp(3, 0) positionOffset:ccp(0,0)];
        [self addChild:parallaxNode z:0 tag:1];

        //Move the node to the left then the right
        //This creates the effect that we are moving to the right then the left
        CCMoveBy* moveRight = [CCMoveBy actionWithDuration:5.0f position:ccp(-80, 0)];
        CCMoveBy* moveLeft = [CCMoveBy actionWithDuration:2.5f position:ccp(80, 0)];
        CCSequence* sequence = [CCSequence actions:moveRight, moveLeft, nil];
        CCRepeatForever* repeat = [CCRepeatForever actionWithAction:sequence];
        [parallaxNode runAction:repeat];

    }
    return self;
}

// on "dealloc" you need to release all your retained objects
- (void) dealloc
{
    // in case you have something to dealloc, do it in this method
    // in this particular example nothing needs to be released.
    // cocos2d will automatically release all the children (Label)

    // don't forget to call "super dealloc"
    [super dealloc];
}
@end

我确实尝试使用4运行代码,这是一个使用GIMP创建的Alpha通道的PNG图像。它最初工作,现在不再。我不知道我做了什么搞砸了。

奇怪的是,它与图像5一起工作。

我已经检查过UIImage规范有限制,建议使用1024 x 1024图像。所以我做了并重新调整了图像6并创建了图像reduced image 3,它在UIImage指定的限制范围内但不起作用。

对于不工作,我的意思是代码崩溃时出现以下错误消息:

2012-04-19 17:14:29.189 ParallaxNodeTest[3713:10a03] cocos2d: cocos2d v1.0.1
2012-04-19 17:14:29.190 ParallaxNodeTest[3713:10a03] cocos2d: Using Director Type:CCDirectorDisplayLink
2012-04-19 17:14:29.226 ParallaxNodeTest[3713:10a03] cocos2d: OS version: 5.1 (0x05010000)
2012-04-19 17:14:29.227 ParallaxNodeTest[3713:10a03] cocos2d: GL_VENDOR:   Apple Computer, Inc.
2012-04-19 17:14:29.228 ParallaxNodeTest[3713:10a03] cocos2d: GL_RENDERER: Apple Software Renderer
2012-04-19 17:14:29.229 ParallaxNodeTest[3713:10a03] cocos2d: GL_VERSION:  OpenGL ES-CM 1.1 APPLE
2012-04-19 17:14:29.229 ParallaxNodeTest[3713:10a03] cocos2d: GL_MAX_TEXTURE_SIZE: 4096
2012-04-19 17:14:29.230 ParallaxNodeTest[3713:10a03] cocos2d: GL_MAX_MODELVIEW_STACK_DEPTH: 16
2012-04-19 17:14:29.231 ParallaxNodeTest[3713:10a03] cocos2d: GL_MAX_SAMPLES: 4
2012-04-19 17:14:29.233 ParallaxNodeTest[3713:10a03] cocos2d: GL supports PVRTC: YES
2012-04-19 17:14:29.234 ParallaxNodeTest[3713:10a03] cocos2d: GL supports BGRA8888 textures: YES
2012-04-19 17:14:29.235 ParallaxNodeTest[3713:10a03] cocos2d: GL supports NPOT textures: YES
2012-04-19 17:14:29.235 ParallaxNodeTest[3713:10a03] cocos2d: GL supports discard_framebuffer: YES
2012-04-19 17:14:29.235 ParallaxNodeTest[3713:10a03] cocos2d: compiled with NPOT support: NO
2012-04-19 17:14:29.236 ParallaxNodeTest[3713:10a03] cocos2d: compiled with VBO support in TextureAtlas : YES
2012-04-19 17:14:29.236 ParallaxNodeTest[3713:10a03] cocos2d: compiled with Affine Matrix transformation in CCNode : YES
2012-04-19 17:14:29.237 ParallaxNodeTest[3713:10a03] cocos2d: compiled with Profiling Support: NO
2012-04-19 17:14:29.268 ParallaxNodeTest[3713:10a03] cocos2d: surface size: 960x640
2012-04-19 17:14:29.336 ParallaxNodeTest[3713:10a03] cocos2d: Filename(0-hd-red.png) contains -hd suffix. Removing it. See cocos2d issue #1040
2012-04-19 17:14:29.337 ParallaxNodeTest[3713:10a03] cocos2d: CCFileUtils: Warning HD file not found: 0-red-hd.png
2012-04-19 17:14:29.338 ParallaxNodeTest[3713:10a03] cocos2d: CCTexture2D. Can't create Texture. UIImage is nil
2012-04-19 17:14:29.339 ParallaxNodeTest[3713:10a03] cocos2d: Couldn't add image:0-red.png in CCTextureCache
2012-04-19 17:14:29.340 ParallaxNodeTest[3713:10a03] cocos2d: Filename(0-hd-red.png) contains -hd suffix. Removing it. See cocos2d issue #1040
2012-04-19 17:14:29.340 ParallaxNodeTest[3713:10a03] cocos2d: CCFileUtils: Warning HD file not found: 0-red-hd.png
2012-04-19 17:14:29.341 ParallaxNodeTest[3713:10a03] cocos2d: CCTexture2D. Can't create Texture. UIImage is nil
2012-04-19 17:14:29.342 ParallaxNodeTest[3713:10a03] cocos2d: Couldn't add image:0-red.png in CCTextureCache
2012-04-19 17:14:29.342 ParallaxNodeTest[3713:10a03] cocos2d: Filename(0-hd-red.png) contains -hd suffix. Removing it. See cocos2d issue #1040
2012-04-19 17:14:29.343 ParallaxNodeTest[3713:10a03] cocos2d: CCFileUtils: Warning HD file not found: 0-red-hd.png
2012-04-19 17:14:29.344 ParallaxNodeTest[3713:10a03] cocos2d: CCTexture2D. Can't create Texture. UIImage is nil
2012-04-19 17:14:29.345 ParallaxNodeTest[3713:10a03] cocos2d: Couldn't add image:0-red.png in CCTextureCache
2012-04-19 17:14:29.345 ParallaxNodeTest[3713:10a03] cocos2d: Filename(0-hd-red.png) contains -hd suffix. Removing it. See cocos2d issue #1040
2012-04-19 17:14:29.346 ParallaxNodeTest[3713:10a03] cocos2d: CCFileUtils: Warning HD file not found: 0-red-hd.png
2012-04-19 17:14:29.365 ParallaxNodeTest[3713:10a03] cocos2d: CCTexture2D. Can't create Texture. UIImage is nil
2012-04-19 17:14:29.366 ParallaxNodeTest[3713:10a03] cocos2d: Couldn't add image:0-red.png in CCTextureCache
2012-04-19 17:14:29.367 ParallaxNodeTest[3713:10a03] *** Assertion failure in -[CCParallaxNode addChild:z:parallaxRatio:positionOffset:], /Users/daniele/Desktop/ParallaxNodeTest/ParallaxNodeTest/libs/cocos2d/CCParallaxNode.m:91
2012-04-19 17:14:29.369 ParallaxNodeTest[3713:10a03] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Argument must be non-nil'
*** First throw call stack:
(0x19e2022 0x1f7ccd6 0x198aa48 0x11af2cb 0x40661 0xb588e 0x3ba25 0xb5632 0xb4d3e 0x8164be 0x817274 0x826183 0x826c38 0x81a634 0x279aef5 0x19b6195 0x191aff2 0x19198da 0x1918d84 0x1918c9b 0x816c65 0x818626 0xb4816 0x24b5 0x1)

我认为图像尺寸不是我以前能够运行的问题,但事实上它适用于图像5而不适用于其他图像6这表明我是与我如何使用GIMP创建PNG文件有关...

任何胶水?我附上我正在使用的GIMP设置4的屏幕截图(不是英文,将在下面提供翻译):

厚实: 将颜色保存为背景,保存分辨率,保存创建日期,保存注释并节省透明点的颜色值。

没有厚: Interlacment(Adam7),保存伽玛,保存图层移动

settings

bar badimage

1 个答案:

答案 0 :(得分:1)

要使用视网膜图像,必须在项目中包含-hd和非hd文件。它们不一定是合适的尺寸,但它们必须都存在。

因此,如果您要使用名为0-red.png的文件,则必须包含0-red.png0-red-hd.png。另外,请注意让-hd位于文件名的末尾。