GLES-Render.mm
iPongAppDelegate.mm
iPongLayer.mm
RootViewController.mm
iPong.xcodeproj
project.pbxproj
CocosDenshion
Extensions
blocks.png
Default.png
fps_images.png
Icon-72.png
Icon-Small-50.png
Icon-Small.png
Icon-Small@2x.png
Icon@2x.png
Info.plist
ItunesArtwork
SF Square Head.ttf
whitedot.png
.gitignore
iPong_Prefix.pch
LICENSE.box2d
LICENSE.cocos2d
LICENSE.cocosdenshion
===== IMPORTANT =====
This is sample code demonstrating API, technology or techniques in development.
Although this sample code has been reviewed for technical accuracy, it is not
final. Apple is supplying this information to help you plan for the adoption of
the technologies and programming interfaces described herein. This information
is subject to change, and software implemented based on this sample code should
be tested with final operating system software and final documentation. Newer
versions of this sample code may be provided with future seeds of the API or
technology. For information about updates to this and other developer
documentation, view the New & Updated sidebars in subsequent documentationd
=====================
File: Texture2D.m
Abstract: Creates OpenGL 2D textures from images or text.
Version: 1.6
Disclaimer: IMPORTANT:
This Apple software is supplied to you by Apple Inc.
(&Apple&) in consideration of your agreement to the following terms, and your
use, installation, modification or redistribution of this Apple software
constitutes acceptance of these terms.
If you do not agree with these terms,
please do not use, install, modify or redistribute this Apple software.
In consideration of your agreement to abide by the following terms, and subject
to these terms, Apple grants you a personal, non-exclusive license, under
Apple's copyrights in this original Apple software (the &Apple Software&), to
use, reproduce, modify and redistribute the Apple Software, with or without
modifications, in source and/ provided that if you redistribute
the Apple Software in its entirety and without modifications, you must retain
this notice and the following text and disclaimers in all such redistributions
of the Apple Software.
Neither the name, trademarks, service marks or logos of Apple Inc. may be used
to endorse or promote products derived from the Apple Software without specific
prior written permission from Apple.
Except as expressly stated in this notice,
no other rights or licenses, express or implied, are granted by Apple herein,
including but not limited to any patent rights that may be infringed by your
derivative works or by other works in which the Apple Software may be
incorporated.
The Apple Software is provided by Apple on an &AS IS& basis.
APPLE MAKES NO
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
COMBINATION WITH YOUR PRODUCTS.
IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR
DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF
CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF
APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Copyright (C) 2008 Apple Inc. All Rights Reserved.
* Support for RGBA_4_4_4_4 and RGBA_5_5_5_1 was copied from:
* /message/ by a1studmuffin
#import &Availability.h&
#import &Platforms/CCGL.h&
#import &Platforms/CCNS.h&
#import &CCTexture2D.h&
#import &ccConfig.h&
#import &ccMacros.h&
#import &CCConfiguration.h&
#import &Support/ccUtils.h&
#import &CCTexturePVR.h&
#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && CC_FONT_LABEL_SUPPORT
// FontLabel support
#import &FontManager.h&
#import &FontLabelStringDrawing.h&
#endif// CC_FONT_LABEL_SUPPORT
// For Labels use 32-bit textures on iPhone 3GS / iPads since A8 textures are very slow
#if defined(__ARM_NEON__) && CC_USE_RGBA32_LABELS_ON_NEON_ARCH
#define USE_TEXT_WITH_A8_TEXTURES 0
#define USE_TEXT_WITH_A8_TEXTURES 1
//CLASS IMPLEMENTATIONS:
// If the image has alpha, you can create RGBA8 (32-bit) or RGBA4 (16-bit) or RGB5A1 (16-bit)
// Default is: RGBA8888 (32-bit textures)
static CCTexture2DPixelFormat defaultAlphaPixelFormat_ = kCCTexture2DPixelFormat_D
#pragma mark -
#pragma mark CCTexture2D - Main
@implementation CCTexture2D
@synthesize contentSizeInPixels=size_, pixelFormat=format_, pixelsWide=width_, pixelsHigh=height_, name=name_, maxS=maxS_, maxT=maxT_;
@synthesize hasPremultipliedAlpha=hasPremultipliedAlpha_;
- (id) initWithData:(const void*)data pixelFormat:(CCTexture2DPixelFormat)pixelFormat pixelsWide:(NSUInteger)width pixelsHigh:(NSUInteger)height contentSize:(CGSize)size
if((self = [super init])) {
glGenTextures(1, &name_);
glBindTexture(GL_TEXTURE_2D, name_);
[self setAntiAliasTexParameters];
// Specify OpenGL texture image
switch(pixelFormat)
case kCCTexture2DPixelFormat_RGBA8888:
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);
case kCCTexture2DPixelFormat_RGBA4444:
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, data);
case kCCTexture2DPixelFormat_RGB5A1:
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, data);
case kCCTexture2DPixelFormat_RGB565:
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, data);
case kCCTexture2DPixelFormat_A8:
glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, width, height, 0, GL_ALPHA, GL_UNSIGNED_BYTE, data);
[NSException raise:NSInternalInconsistencyException format:@&&];
format_ = pixelF
maxS_ = size.width / (float)
maxT_ = size.height / (float)
hasPremultipliedAlpha_ = NO;
- (void) dealloc
CCLOGINFO(@&cocos2d: deallocing %@&, self);
glDeleteTextures(1, &name_);
[super dealloc];
- (NSString*) description
return [NSString stringWithFormat:@&&%@ = %08X | Name = %i | Dimensions = %ix%i | Coordinates = (%.2f, %.2f)&&, [self class], self, name_, width_, height_, maxS_, maxT_];
-(CGSize) contentSize
ret.width = size_.width / CC_CONTENT_SCALE_FACTOR();
ret.height = size_.height / CC_CONTENT_SCALE_FACTOR();
#pragma mark -
#pragma mark CCTexture2D - Image
@implementation CCTexture2D (Image)
#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
- (id) initWithImage:(UIImage *)uiImage
#elif defined(__MAC_OS_X_VERSION_MAX_ALLOWED)
- (id) initWithImage:(CGImageRef)CGImage
NSUInteger
POTWide, POTH
CGContextRef
CGColorSpaceRef
unsigned int*
inPixel32;
unsigned short*
outPixel16;
CGImageAlphaInfo
CCTexture2DPixelFormat pixelF
#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
CGImageRef CGImage = uiImage.CGI
if(CGImage == NULL) {
CCLOG(@&cocos2d: CCTexture2D. Can't create Texture. UIImage is nil&);
[self release];
CCConfiguration *conf = [CCConfiguration sharedConfiguration];
#if CC_TEXTURE_NPOT_SUPPORT
if( [conf supportsNPOT] ) {
POTWide = CGImageGetWidth(CGImage);
POTHigh = CGImageGetHeight(CGImage);
POTWide = ccNextPOT(CGImageGetWidth(CGImage));
POTHigh = ccNextPOT(CGImageGetHeight(CGImage));
NSUInteger maxTextureSize = [conf maxTextureSize];
if( POTHigh & maxTextureSize || POTWide & maxTextureSize ) {
CCLOG(@&cocos2d: WARNING: Image (%d x %d) is bigger than the supported %d x %d&,
(unsigned int)POTWide, (unsigned int)POTHigh,
(unsigned int)maxTextureSize, (unsigned int)maxTextureSize);
[self release];
info = CGImageGetAlphaInfo(CGImage);
hasAlpha = ((info == kCGImageAlphaPremultipliedLast) || (info == kCGImageAlphaPremultipliedFirst) || (info == kCGImageAlphaLast) || (info == kCGImageAlphaFirst) ? YES : NO);
size_t bpp = CGImageGetBitsPerComponent(CGImage);
colorSpace = CGImageGetColorSpace(CGImage);
if(colorSpace) {
if(hasAlpha || bpp &= 8)
pixelFormat = defaultAlphaPixelFormat_;
CCLOG(@&cocos2d: CCTexture2D: Using RGB565 texture since image has no alpha&);
pixelFormat = kCCTexture2DPixelFormat_RGB565;
// NOTE: No colorspace means a mask image
CCLOG(@&cocos2d: CCTexture2D: Using A8 texture since image is a mask&);
pixelFormat = kCCTexture2DPixelFormat_A8;
imageSize = CGSizeMake(CGImageGetWidth(CGImage), CGImageGetHeight(CGImage));
// Create the bitmap graphics context
switch(pixelFormat) {
case kCCTexture2DPixelFormat_RGBA8888:
case kCCTexture2DPixelFormat_RGBA4444:
case kCCTexture2DPixelFormat_RGB5A1:
colorSpace = CGColorSpaceCreateDeviceRGB();
data = malloc(POTHigh * POTWide * 4);
info = hasAlpha ? kCGImageAlphaPremultipliedLast : kCGImageAlphaNoneSkipL
info = kCGImageAlphaPremultipliedL
// issue #886. This patch breaks BMP images.
context = CGBitmapContextCreate(data, POTWide, POTHigh, 8, 4 * POTWide, colorSpace, info | kCGBitmapByteOrder32Big);
CGColorSpaceRelease(colorSpace);
case kCCTexture2DPixelFormat_RGB565:
colorSpace = CGColorSpaceCreateDeviceRGB();
data = malloc(POTHigh * POTWide * 4);
info = kCGImageAlphaNoneSkipL
context = CGBitmapContextCreate(data, POTWide, POTHigh, 8, 4 * POTWide, colorSpace, info | kCGBitmapByteOrder32Big);
CGColorSpaceRelease(colorSpace);
case kCCTexture2DPixelFormat_A8:
data = malloc(POTHigh * POTWide);
info = kCGImageAlphaO
context = CGBitmapContextCreate(data, POTWide, POTHigh, 8, POTWide, NULL, info);
[NSException raise:NSInternalInconsistencyException format:@&Invalid pixel format&];
CGContextClearRect(context, CGRectMake(0, 0, POTWide, POTHigh));
CGContextTranslateCTM(context, 0, POTHigh - imageSize.height);
CGContextDrawImage(context, CGRectMake(0, 0, CGImageGetWidth(CGImage), CGImageGetHeight(CGImage)), CGImage);
// Repack the pixel data into the right format
if(pixelFormat == kCCTexture2DPixelFormat_RGB565) {
//Convert &RRRRRRRRRGGGGGGGGBBBBBBBBAAAAAAAA& to &RRRRRGGGGGGBBBBB&
tempData = malloc(POTHigh * POTWide * 2);
inPixel32 = (unsigned int*)
outPixel16 = (unsigned short*)tempD
for(unsigned int i = 0; i & POTWide * POTH ++i, ++inPixel32)
*outPixel16++ = ((((*inPixel32 && 0) & 0xFF) && 3) && 11) | ((((*inPixel32 && 8) & 0xFF) && 2) && 5) | ((((*inPixel32 && 16) & 0xFF) && 3) && 0);
free(data);
data = tempD
else if (pixelFormat == kCCTexture2DPixelFormat_RGBA4444) {
//Convert &RRRRRRRRRGGGGGGGGBBBBBBBBAAAAAAAA& to &RRRRGGGGBBBBAAAA&
tempData = malloc(POTHigh * POTWide * 2);
inPixel32 = (unsigned int*)
outPixel16 = (unsigned short*)tempD
for(unsigned int i = 0; i & POTWide * POTH ++i, ++inPixel32)
*outPixel16++ =
((((*inPixel32 && 0) & 0xFF) && 4) && 12) | // R
((((*inPixel32 && 8) & 0xFF) && 4) && 8) | // G
((((*inPixel32 && 16) & 0xFF) && 4) && 4) | // B
((((*inPixel32 && 24) & 0xFF) && 4) && 0); // A
free(data);
data = tempD
else if (pixelFormat == kCCTexture2DPixelFormat_RGB5A1) {
//Convert &RRRRRRRRRGGGGGGGGBBBBBBBBAAAAAAAA& to &RRRRRGGGGGBBBBBA&
tempData = malloc(POTHigh * POTWide * 2);
inPixel32 = (unsigned int*)
outPixel16 = (unsigned short*)tempD
for(unsigned int i = 0; i & POTWide * POTH ++i, ++inPixel32)
*outPixel16++ =
((((*inPixel32 && 0) & 0xFF) && 3) && 11) | // R
((((*inPixel32 && 8) & 0xFF) && 3) && 6) | // G
((((*inPixel32 && 16) & 0xFF) && 3) && 1) | // B
((((*inPixel32 && 24) & 0xFF) && 7) && 0); // A
free(data);
data = tempD
self = [self initWithData:data pixelFormat:pixelFormat pixelsWide:POTWide pixelsHigh:POTHigh contentSize:imageSize];
// should be after calling super init
hasPremultipliedAlpha_ = (info == kCGImageAlphaPremultipliedLast || info == kCGImageAlphaPremultipliedFirst);
CGContextRelease(context);
free(data);
#pragma mark -
#pragma mark CCTexture2D - Text
@implementation CCTexture2D (Text)
#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
- (id) initWithString:(NSString*)string dimensions:(CGSize)dimensions alignment:(CCTextAlignment)alignment font:(id)uifont
NSAssert( uifont, @&Invalid font&);
NSUInteger POTWide = ccNextPOT(dimensions.width);
NSUInteger POTHigh = ccNextPOT(dimensions.height);
unsigned char*
CGContextRef
CGColorSpaceRef
#if USE_TEXT_WITH_A8_TEXTURES
colorSpace = CGColorSpaceCreateDeviceGray();
data = calloc(POTHigh, POTWide);
context = CGBitmapContextCreate(data, POTWide, POTHigh, 8, POTWide, colorSpace, kCGImageAlphaNone);
colorSpace = CGColorSpaceCreateDeviceRGB();
data = calloc(POTHigh, POTWide * 4);
context = CGBitmapContextCreate(data, POTWide, POTHigh, 8, 4 * POTWide, colorSpace, kCGImageAlphaPremultipliedLast | kCGBitmapByteOrder32Big);
CGColorSpaceRelease(colorSpace);
if( ! context ) {
free(data);
[self release];
CGContextSetGrayFillColor(context, 1.0f, 1.0f);
CGContextTranslateCTM(context, 0.0f, POTHigh);
CGContextScaleCTM(context, 1.0f, -1.0f); //NOTE: NSString draws in UIKit referential i.e. renders upside-down compared to CGBitmapContext referential
UIGraphicsPushContext(context);
// normal fonts
if( [uifont isKindOfClass:[UIFont class] ] )
[string drawInRect:CGRectMake(0, 0, dimensions.width, dimensions.height) withFont:uifont lineBreakMode:UILineBreakModeWordWrap alignment:alignment];
#if CC_FONT_LABEL_SUPPORT
else // ZFont class
[string drawInRect:CGRectMake(0, 0, dimensions.width, dimensions.height) withZFont:uifont lineBreakMode:UILineBreakModeWordWrap alignment:alignment];
UIGraphicsPopContext();
#if USE_TEXT_WITH_A8_TEXTURES
self = [self initWithData:data pixelFormat:kCCTexture2DPixelFormat_A8 pixelsWide:POTWide pixelsHigh:POTHigh contentSize:dimensions];
self = [self initWithData:data pixelFormat:kCCTexture2DPixelFormat_RGBA8888 pixelsWide:POTWide pixelsHigh:POTHigh contentSize:dimensions];
CGContextRelease(context);
free(data);
#elif defined(__MAC_OS_X_VERSION_MAX_ALLOWED)
- (id) initWithString:(NSString*)string dimensions:(CGSize)dimensions alignment:(CCTextAlignment)alignment attributedString:(NSAttributedString*)stringWithAttributes
NSAssert( stringWithAttributes, @&Invalid stringWithAttributes&);
NSUInteger POTWide = ccNextPOT(dimensions.width);
NSUInteger POTHigh = ccNextPOT(dimensions.height);
unsigned char*
NSSize realDimensions = [stringWithAttributes size];
//Alignment
float xPadding = 0;
// Mac crashes if the width or height is 0
if( realDimensions.width & 0 && realDimensions.height & 0 ) {
switch (alignment) {
case CCTextAlignmentLeft: xPadding = 0;
case CCTextAlignmentCenter: xPadding = (dimensions.width-realDimensions.width)/2.0f;
case CCTextAlignmentRight: xPadding = dimensions.width-realDimensions.
//Disable antialias
[[NSGraphicsContext currentContext] setShouldAntialias:NO];
NSImage *image = [[NSImage alloc] initWithSize:NSMakeSize(POTWide, POTHigh)];
[image lockFocus];
[stringWithAttributes drawAtPoint:NSMakePoint(xPadding, POTHigh-dimensions.height)]; // draw at offset position
NSBitmapImageRep *bitmap = [[NSBitmapImageRep alloc] initWithFocusedViewRect:NSMakeRect (0.0f, 0.0f, POTWide, POTHigh)];
[image unlockFocus];
data = (unsigned char*) [bitmap bitmapData];
//Use the same buffer to improve the performance.
for(int i = 0; i&(POTWide*POTHigh); i++) //Convert RGBA8888 to A8
data[i] = data[i*4+3];
self = [self initWithData:data pixelFormat:kCCTexture2DPixelFormat_A8 pixelsWide:POTWide pixelsHigh:POTHigh contentSize:dimensions];
[bitmap release];
[image release];
[self release];
#endif // __MAC_OS_X_VERSION_MAX_ALLOWED
- (id) initWithString:(NSString*)string fontName:(NSString*)name fontSize:(CGFloat)size
#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
font = [UIFont fontWithName:name size:size];
if( font )
dim = [string sizeWithFont:font];
#if CC_FONT_LABEL_SUPPORT
if( ! font ){
font = [[FontManager sharedManager] zFontWithName:name pointSize:size];
dim = [string sizeWithZFont:font];
#endif // CC_FONT_LABEL_SUPPORT
if( ! font ) {
CCLOG(@&cocos2d: Unable to load font %@&, name);
[self release];
return [self initWithString:string dimensions:dim alignment:CCTextAlignmentCenter font:font];
#elif defined(__MAC_OS_X_VERSION_MAX_ALLOWED)
NSAttributedString *stringWithAttributes =
[[[NSAttributedString alloc] initWithString:string
attributes:[NSDictionary dictionaryWithObject:[[NSFontManager sharedFontManager]
fontWithFamily:name
traits:NSUnboldFontMask | NSUnitalicFontMask
size:size]
forKey:NSFontAttributeName]
autorelease];
dim = NSSizeToCGSize( [stringWithAttributes size] );
return [self initWithString:string dimensions:dim alignment:CCTextAlignmentCenter attributedString:stringWithAttributes];
#endif // __MAC_OS_X_VERSION_MAX_ALLOWED
- (id) initWithString:(NSString*)string dimensions:(CGSize)dimensions alignment:(CCTextAlignment)alignment fontName:(NSString*)name fontSize:(CGFloat)size
#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
uifont = [UIFont fontWithName:name size:size];
#if CC_FONT_LABEL_SUPPORT
if( ! uifont )
uifont = [[FontManager sharedManager] zFontWithName:name pointSize:size];
#endif // CC_FONT_LABEL_SUPPORT
if( ! uifont ) {
CCLOG(@&cocos2d: Texture2d: Invalid Font: %@. Verify the .ttf name&, name);
[self release];
return [self initWithString:string dimensions:dimensions alignment:alignment font:uifont];
#elif defined(__MAC_OS_X_VERSION_MAX_ALLOWED)
//String with attributes
NSAttributedString *stringWithAttributes =
[[[NSAttributedString alloc] initWithString:string
attributes:[NSDictionary dictionaryWithObject:[[NSFontManager sharedFontManager]
fontWithFamily:name
traits:NSUnboldFontMask | NSUnitalicFontMask
size:size]
forKey:NSFontAttributeName]
autorelease];
return [self initWithString:string dimensions:dimensions alignment:CCTextAlignmentCenter attributedString:stringWithAttributes];
#endif // Mac
#pragma mark -
#pragma mark CCTexture2D - PVRSupport
@implementation CCTexture2D (PVRSupport)
// By default PVR images are treated as if they don't have the alpha channel premultiplied
static BOOL PVRHaveAlphaPremultiplied_ = NO;
#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
-(id) initWithPVRTCData: (const void*)data level:(int)level bpp:(int)bpp hasAlpha:(BOOL)hasAlpha length:(int)length
if( ! [[CCConfiguration sharedConfiguration] supportsPVRTC] ) {
CCLOG(@&cocos2d: WARNING: PVRTC images is not supported&);
[self release];
if((self = [super init])) {
glGenTextures(1, &name_);
glBindTexture(GL_TEXTURE_2D, name_);
[self setAntiAliasTexParameters];
GLsizei size = length * length * bpp / 8;
if(hasAlpha) {
format = (bpp == 4) ? GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG : GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG;
format = (bpp == 4) ? GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG : GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG;
if(size & 32) {
size = 32;
glCompressedTexImage2D(GL_TEXTURE_2D, level, format, length, length, 0, size, data);
size_ = CGSizeMake(length, length);
maxS_ = 1.0f;
maxT_ = 1.0f;
hasPremultipliedAlpha_ = PVRHaveAlphaPremultiplied_;
#endif // __IPHONE_OS_VERSION_MAX_ALLOWED
-(id) initWithPVRFile: (NSString*) file
if( (self = [super init]) ) {
CCTexturePVR *pvr = [[CCTexturePVR alloc] initWithContentsOfFile:file];
if( pvr ) {
pvr.retainName = YES; // don't dealloc texture on release
name_ = pvr. // texture id
maxS_ = 1;
// only POT texture are supported
maxT_ = 1;
width_ = pvr.
height_ = pvr.
size_ = CGSizeMake(width_, height_);
hasPremultipliedAlpha_ = PVRHaveAlphaPremultiplied_;
[pvr release];
[self setAntiAliasTexParameters];
CCLOG(@&cocos2d: Couldn't load PVR image&);
[self release];
+(void) PVRImagesHavePremultipliedAlpha:(BOOL)haveAlphaPremultiplied
PVRHaveAlphaPremultiplied_ = haveAlphaP
#pragma mark -
#pragma mark CCTexture2D - Drawing
@implementation CCTexture2D (Drawing)
- (void) drawAtPoint:(CGPoint)point
coordinates[] = { 0.0f, maxT_,
maxS_, maxT_,
0.0f, 0.0f,
maxS_, 0.0f };
width = (GLfloat)width_ * maxS_,
height = (GLfloat)height_ * maxT_;
vertices[] = { point.x,
point.y, 0.0f,
width + point.x, point.y, 0.0f,
+ point.y, 0.0f,
width + point.x, height
+ point.y, 0.0f };
glBindTexture(GL_TEXTURE_2D, name_);
glVertexPointer(3, GL_FLOAT, 0, vertices);
glTexCoordPointer(2, GL_FLOAT, 0, coordinates);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
- (void) drawInRect:(CGRect)rect
coordinates[] = {
0.0f, maxT_,
maxS_, maxT_,
0.0f, 0.0f,
maxS_, 0.0f
GLfloat vertices[] = { rect.origin.x,
rect.origin.y,
rect.origin.x + rect.size.width,
rect.origin.y,
rect.origin.x,
rect.origin.y + rect.size.height,
rect.origin.x + rect.size.width,
rect.origin.y + rect.size.height,
/*0.0f*/ };
glBindTexture(GL_TEXTURE_2D, name_);
glVertexPointer(2, GL_FLOAT, 0, vertices);
glTexCoordPointer(2, GL_FLOAT, 0, coordinates);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
#pragma mark -
#pragma mark CCTexture2D - GLFilter
// Use to apply MIN/MAG filter
@implementation CCTexture2D (GLFilter)
-(void) generateMipmap
NSAssert( width_ == ccNextPOT(width_) && height_ == ccNextPOT(height_), @&Mimpap texture only works in POT textures&);
glBindTexture( GL_TEXTURE_2D, name_ );
ccglGenerateMipmap(GL_TEXTURE_2D);
-(void) setTexParameters: (ccTexParams*) texParams
NSAssert( (width_ == ccNextPOT(width_) && height_ == ccNextPOT(height_)) ||
(texParams-&wrapS == GL_CLAMP_TO_EDGE && texParams-&wrapT == GL_CLAMP_TO_EDGE),
@&GL_CLAMP_TO_EDGE should be used in NPOT textures&);
glBindTexture( GL_TEXTURE_2D, self.name );
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, texParams-&minFilter );
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, texParams-&magFilter );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, texParams-&wrapS );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, texParams-&wrapT );
-(void) setAliasTexParameters
ccTexParams texParams = { GL_NEAREST, GL_NEAREST, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE };
[self setTexParameters: &texParams];
-(void) setAntiAliasTexParameters
ccTexParams texParams = { GL_LINEAR, GL_LINEAR, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE };
[self setTexParameters: &texParams];
#pragma mark -
#pragma mark CCTexture2D - Pixel Format
// Texture options for images that contains alpha
@implementation CCTexture2D (PixelFormat)
+(void) setDefaultAlphaPixelFormat:(CCTexture2DPixelFormat)format
defaultAlphaPixelFormat_ =
+(CCTexture2DPixelFormat) defaultAlphaPixelFormat
return defaultAlphaPixelFormat_;
Copyright(C)
OKBASE.NET All Rights Reserved 好库网 版权所有