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Autotracker for the Lingo Archipelago integration |

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generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-27 17:00:50 +0000

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/*
* cocos2d for iPhone: http://www.cocos2d-iphone.org
*
* Copyright (c) 2009 Jason Booth
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/

#import <Availability.h>
#import "CCRenderTexture.h"
#import "CCDirector.h"
#import "ccMacros.h"
#import "Support/ccUtils.h"
#import "Support/CCFileUtils.h"

@implementation CCRenderTexture

@synthesize sprite=sprite_;

// issue #994
+(id)renderTextureWithWidth:(int)w height:(int)h pixelFormat:(CCTexture2DPixelFormat) format
{
return [[[self alloc] initWithWidth:w height:h pixelFormat:format] autorelease];
}

+(id)renderTextureWithWidth:(int)w height:(int)h
{
return [[[self alloc] initWithWidth:w height:h pixelFormat:kCCTexture2DPixelFormat_RGBA8888] autorelease];
}

-(id)initWithWidth:(int)w height:(int)h
{
return [self initWithWidth:w height:h pixelFormat:kCCTexture2DPixelFormat_RGBA8888];
}

-(id)initWithWidth:(int)w height:(int)h pixelFormat:(CCTexture2DPixelFormat) format
{
if ((self = [super init]))
{
NSAssert(format != kCCTexture2DPixelFormat_A8,@"only RGB and RGBA formats are valid for a render texture");

w *= CC_CONTENT_SCALE_FACTOR();
h *= CC_CONTENT_SCALE_FACTOR();

glGetIntegerv(CC_GL_FRAMEBUFFER_BINDING, &oldFBO_);

// textures must be power of two
NSUInteger powW = ccNextPOT(w);
NSUInteger powH = ccNextPOT(h);

void *data = malloc((int)(powW * powH * 4));
memset(data, 0, (int)(powW * powH * 4));
pixelFormat_=format;

texture_ = [[CCTexture2D alloc] initWithData:data pixelFormat:pixelFormat_ pixelsWide:powW pixelsHigh:powH contentSize:CGSizeMake(w, h)];
free( data );

// generate FBO
ccglGenFramebuffers(1, &fbo_);
ccglBindFramebuffer(CC_GL_FRAMEBUFFER, fbo_);

// associate texture with FBO
ccglFramebufferTexture2D(CC_GL_FRAMEBUFFER, CC_GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture_.name, 0);

// check if it worked (probably worth doing :) )
GLuint status = ccglCheckFramebufferStatus(CC_GL_FRAMEBUFFER);
if (status != CC_GL_FRAMEBUFFER_COMPLETE)
{
[NSException raise:@"Render Texture" format:@"Could not attach texture to framebuffer"];
}
[texture_ setAliasTexParameters];

sprite_ = [CCSprite spriteWithTexture:texture_];

[texture_ release];
[sprite_ setScaleY:-1];
[self addChild:sprite_];

// issue #937
[sprite_ setBlendFunc:(ccBlendFunc){GL_ONE, GL_ONE_MINUS_SRC_ALPHA}];

ccglBindFramebuffer(CC_GL_FRAMEBUFFER, oldFBO_);
}
return self;
}

-(void)dealloc
{
// [self removeAllChildrenWithCleanup:YES];
ccglDeleteFramebuffers(1, &fbo_);
[super dealloc];
}

-(void)begin
{
// Save the current matrix
glPushMatrix();

CGSize texSize = [texture_ contentSizeInPixels];

// Calculate the adjustment ratios based on the old and new projections
CGSize size = [[CCDirector sharedDirector] displaySizeInPixels];
float widthRatio = size.width / texSize.width;
float heightRatio = size.height / texSize.height;

// Adjust the orthographic propjection and viewport
ccglOrtho((float)-1.0 / widthRatio, (float)1.0 / widthRatio, (float)-1.0 / heightRatio, (float)1.0 / heightRatio, -1,1);
glViewport(0, 0, texSize.width, texSize.height);

glGetIntegerv(CC_GL_FRAMEBUFFER_BINDING, &oldFBO_);
ccglBindFramebuffer(CC_GL_FRAMEBUFFER, fbo_);//Will direct drawing to the frame buffer created above

// Issue #1145
// There is no need to enable the default GL states here
// but since CCRenderTexture is mostly used outside the "render" loop
// these states needs to be enabled.
// Since this bug was discovered in API-freeze (very close of 1.0 release)
// This bug won't be fixed to prevent incompatibilities with code.
//
// If you understand the above mentioned message, then you can comment the following line
// and enable the gl states manually, in case you need them.
CC_ENABLE_DEFAULT_GL_STATES();
}

-(void)beginWithClear:(float)r g:(float)g b:(float)b a:(float)a
{
[self begin];

// save clear color
GLfloat clearColor[4];
glGetFloatv(GL_COLOR_CLEAR_VALUE,clearColor);

glClearColor(r, g, b, a);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

// restore clear color
glClearColor(clearColor[0], clearColor[1], clearColor[2], clearColor[3]);
}

-(void)end
{
ccglBindFramebuffer(CC_GL_FRAMEBUFFER, oldFBO_);
// Restore the original matrix and viewport
glPopMatrix();
CGSize size = [[CCDirector sharedDirector] displaySizeInPixels];
glViewport(0, 0, size.width, size.height);
}

-(void)clear:(float)r g:(float)g b:(float)b a:(float)a
{
[self beginWithClear:r g:g b:b a:a];
[self end];
}

#pragma mark RenderTexture - Save Image

#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
-(BOOL)saveBuffer:(NSString*)name
{
return [self saveBuffer:name format:kCCImageFormatJPG];
}

-(BOOL)saveBuffer:(NSString*)fileName format:(int)format
{
NSString *fullPath = [CCFileUtils fullPathFromRelativePath:fileName];

NSData *data = [self getUIImageAsDataFromBuffer:format];

return [data writeToFile:fullPath atomically:YES];
}

/* get buffer as UIImage */
-(UIImage *)getUIImageFromBuffer
{
NSAssert(pixelFormat_ == kCCTexture2DPixelFormat_RGBA8888,@"only RGBA8888 can be saved as image");

CGSize s = [texture_ contentSizeInPixels];
int tx = s.width;
int ty = s.height;

int bitsPerComponent = 8;
int bitsPerPixel = 32;
int bytesPerPixel = (bitsPerComponent * 4)/8;
int bytesPerRow = bytesPerPixel * tx;
NSInteger myDataLength = bytesPerRow * ty;

NSMutableData *buffer = [[NSMutableData alloc] initWithCapacity:myDataLength];
NSMutableData *pixels = [[NSMutableData alloc] initWithCapacity:myDataLength];

if( ! (buffer && pixels) ) {
CCLOG(@"cocos2d: CCRenderTexture#getUIImageFromBuffer: not enough memory");
[buffer release];
[pixels release];
return nil;
}

[self begin];
glReadPixels(0,0,tx,ty,GL_RGBA,GL_UNSIGNED_BYTE, [buffer mutableBytes]);
[self end];

// make data provider with data.

CGBitmapInfo bitmapInfo = kCGImageAlphaPremultipliedLast | kCGBitmapByteOrderDefault;
CGDataProviderRef provider = CGDataProviderCreateWithData(NULL, [buffer mutableBytes], myDataLength, NULL);
CGColorSpaceRef colorSpaceRef = CGColorSpaceCreateDeviceRGB();
CGImageRef iref = CGImageCreate(tx, ty,
bitsPerComponent, bitsPerPixel, bytesPerRow,
colorSpaceRef, bitmapInfo, provider,
NULL, false,
kCGRenderingIntentDefault);

CGContextRef context = CGBitmapContextCreate([pixels mutableBytes], tx,
ty, CGImageGetBitsPerComponent(iref),
CGImageGetBytesPerRow(iref), CGImageGetColorSpace(iref),
bitmapInfo);
CGContextTranslateCTM(context, 0.0f, ty);
CGContextScaleCTM(context, 1.0f, -1.0f);
CGContextDrawImage(context, CGRectMake(0.0f, 0.0f, tx, ty), iref);
CGImageRef outputRef = CGBitmapContextCreateImage(context);
UIImage* image = [[UIImage alloc] initWithCGImage:outputRef];

CGImageRelease(iref);
CGContextRelease(context);
CGColorSpaceRelease(colorSpaceRef);
CGDataProviderRelease(provider);
CGImageRelease(outputRef);

[pixels release];
[buffer release];

return [image autorelease];
}

-(NSData*)getUIImageAsDataFromBuffer:(int) format
{
NSAssert(pixelFormat_ == kCCTexture2DPixelFormat_RGBA8888,@"only RGBA8888 can be saved as image");

CGSize s = [texture_ contentSizeInPixels];
int tx = s.width;
int ty = s.height;

int bitsPerComponent=8;
int bitsPerPixel=32;

int bytesPerRow = (bitsPerPixel/8) * tx;
NSInteger myDataLength = bytesPerRow * ty;

GLubyte *buffer = malloc(sizeof(GLubyte)*myDataLength);
GLubyte *pixels = malloc(sizeof(GLubyte)*myDataLength);

if( ! (buffer && pixels) ) {
CCLOG(@"cocos2d: CCRenderTexture#getUIImageFromBuffer: not enough memory");
free(buffer);
free(pixels);
return nil;
}

[self begin];
glReadPixels(0,0,tx,ty,GL_RGBA,GL_UNSIGNED_BYTE, buffer);
[self end];

int x,y;

for(y = 0; y <ty; y++) {
for(x = 0; x <tx * 4; x++) {
pixels[((ty - 1 - y) * tx * 4 + x)] = buffer[(y * 4 * tx + x)];
}
}

NSData* data;

if (format == kCCImageFormatRawData)
{
free(buffer);
//data frees buffer when it is deallocated
data = [NSData dataWithBytesNoCopy:pixels length:myDataLength];

} else {

/*
CGImageCreate(size_t width, size_t height,
size_t bitsPerComponent, size_t bitsPerPixel, size_t bytesPerRow,
CGColorSpaceRef space, CGBitmapInfo bitmapInfo, CGDataProviderRef provider,
const CGFloat decode[], bool shouldInterpolate,
CGColorRenderingIntent intent)
*/
// make data provider with data.
CGBitmapInfo bitmapInfo = kCGImageAlphaPremultipliedLast | kCGBitmapByteOrderDefault;
CGDataProviderRef provider = CGDataProviderCreateWithData(NULL, pixels, myDataLength, NULL);
CGColorSpaceRef colorSpaceRef = CGColorSpaceCreateDeviceRGB();
CGImageRef iref = CGImageCreate(tx, ty,
bitsPerComponent, bitsPerPixel, bytesPerRow,
colorSpaceRef, bitmapInfo, provider,
NULL, false,
kCGRenderingIntentDefault);

UIImage* image = [[UIImage alloc] initWithCGImage:iref];

CGImageRelease(iref);
CGColorSpaceRelease(colorSpaceRef);
CGDataProviderRelease(provider);

if (format == kCCImageFormatPNG)
data = UIImagePNGRepresentation(image);
else
data = UIImageJPEGRepresentation(image, 1.0f);

[image release];

free(pixels);
free(buffer);
}

return data;
}

#endif // __IPHONE_OS_VERSION_MAX_ALLOWED
@end

generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-27 17:00:50 +0000