mirror of https://github.com/axmolengine/axmol.git
484 lines
17 KiB
Plaintext
484 lines
17 KiB
Plaintext
/****************************************************************************
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Copyright (c) 2010-2012 cocos2d-x.org
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Copyright (c) 2013-2014 Chukong Technologies Inc.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "base/CCPlatformConfig.h"
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#if CC_TARGET_PLATFORM == CC_PLATFORM_IOS
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#include "CCDevice.h"
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#include "base/ccTypes.h"
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#include "base/CCEventDispatcher.h"
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#include "base/CCEventAcceleration.h"
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#include "base/CCDirector.h"
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#import <UIKit/UIKit.h>
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// Accelerometer
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#import<CoreMotion/CoreMotion.h>
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#import<CoreFoundation/CoreFoundation.h>
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@interface CCAccelerometerDispatcher : NSObject<UIAccelerometerDelegate>
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{
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cocos2d::Acceleration *_acceleration;
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CMMotionManager *_motionManager;
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}
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+ (id) sharedAccelerometerDispather;
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- (id) init;
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- (void) setAccelerometerEnabled: (bool) isEnabled;
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- (void) setAccelerometerInterval:(float) interval;
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@end
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@implementation CCAccelerometerDispatcher
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static CCAccelerometerDispatcher* s_pAccelerometerDispatcher;
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+ (id) sharedAccelerometerDispather
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{
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if (s_pAccelerometerDispatcher == nil) {
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s_pAccelerometerDispatcher = [[self alloc] init];
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}
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return s_pAccelerometerDispatcher;
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}
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- (id) init
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{
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if( (self = [super init]) ) {
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_acceleration = new cocos2d::Acceleration();
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_motionManager = [[CMMotionManager alloc] init];
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}
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return self;
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}
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- (void) dealloc
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{
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s_pAccelerometerDispatcher = nullptr;
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delete _acceleration;
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[_motionManager release];
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[super dealloc];
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}
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- (void) setAccelerometerEnabled: (bool) isEnabled
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{
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if (isEnabled)
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{
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[_motionManager startAccelerometerUpdatesToQueue:[NSOperationQueue currentQueue] withHandler:^(CMAccelerometerData *accelerometerData, NSError *error) {
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[self accelerometer:accelerometerData];
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}];
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}
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else
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{
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[_motionManager stopAccelerometerUpdates];
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}
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}
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-(void) setAccelerometerInterval:(float)interval
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{
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_motionManager.accelerometerUpdateInterval = interval;
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}
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- (void)accelerometer:(CMAccelerometerData *)accelerometerData
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{
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_acceleration->x = accelerometerData.acceleration.x;
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_acceleration->y = accelerometerData.acceleration.y;
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_acceleration->z = accelerometerData.acceleration.z;
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_acceleration->timestamp = accelerometerData.timestamp;
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double tmp = _acceleration->x;
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switch ([[UIApplication sharedApplication] statusBarOrientation])
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{
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case UIInterfaceOrientationLandscapeRight:
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_acceleration->x = -_acceleration->y;
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_acceleration->y = tmp;
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break;
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case UIInterfaceOrientationLandscapeLeft:
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_acceleration->x = _acceleration->y;
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_acceleration->y = -tmp;
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break;
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case UIInterfaceOrientationPortraitUpsideDown:
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_acceleration->x = -_acceleration->y;
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_acceleration->y = -tmp;
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break;
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case UIInterfaceOrientationPortrait:
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break;
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default:
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NSAssert(false, @"unknow orientation");
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}
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cocos2d::EventAcceleration event(*_acceleration);
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auto dispatcher = cocos2d::Director::getInstance()->getEventDispatcher();
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dispatcher->dispatchEvent(&event);
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}
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@end
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//
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NS_CC_BEGIN
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int Device::getDPI()
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{
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static int dpi = -1;
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if (dpi == -1)
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{
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float scale = 1.0f;
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if ([[UIScreen mainScreen] respondsToSelector:@selector(scale)]) {
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scale = [[UIScreen mainScreen] scale];
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}
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if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
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dpi = 132 * scale;
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} else if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) {
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dpi = 163 * scale;
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} else {
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dpi = 160 * scale;
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}
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}
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return dpi;
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}
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void Device::setAccelerometerEnabled(bool isEnabled)
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{
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[[CCAccelerometerDispatcher sharedAccelerometerDispather] setAccelerometerEnabled:isEnabled];
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}
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void Device::setAccelerometerInterval(float interval)
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{
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[[CCAccelerometerDispatcher sharedAccelerometerDispather] setAccelerometerInterval:interval];
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}
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typedef struct
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{
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unsigned int height;
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unsigned int width;
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bool isPremultipliedAlpha;
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bool hasShadow;
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CGSize shadowOffset;
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float shadowBlur;
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float shadowOpacity;
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bool hasStroke;
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float strokeColorR;
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float strokeColorG;
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float strokeColorB;
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float strokeSize;
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float tintColorR;
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float tintColorG;
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float tintColorB;
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unsigned char* data;
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} tImageInfo;
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static bool s_isIOS7OrHigher = false;
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static inline void lazyCheckIOS7()
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{
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static bool isInited = false;
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if (!isInited)
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{
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s_isIOS7OrHigher = [[[UIDevice currentDevice] systemVersion] compare:@"7.0" options:NSNumericSearch] != NSOrderedAscending;
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isInited = true;
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}
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}
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static CGSize _calculateStringSize(NSString *str, id font, CGSize *constrainSize)
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{
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CGSize textRect = CGSizeZero;
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textRect.width = constrainSize->width > 0 ? constrainSize->width
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: 0x7fffffff;
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textRect.height = constrainSize->height > 0 ? constrainSize->height
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: 0x7fffffff;
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CGSize dim = [str sizeWithFont:font constrainedToSize:textRect];
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dim.width = ceilf(dim.width);
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dim.height = ceilf(dim.height);
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return dim;
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}
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// refer Image::ETextAlign
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#define ALIGN_TOP 1
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#define ALIGN_CENTER 3
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#define ALIGN_BOTTOM 2
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static bool _initWithString(const char * text, cocos2d::Device::TextAlign align, const char * fontName, int size, tImageInfo* info)
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{
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// lazy check whether it is iOS7 device
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lazyCheckIOS7();
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bool bRet = false;
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do
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{
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CC_BREAK_IF(! text || ! info);
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NSString * str = [NSString stringWithUTF8String:text];
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NSString * fntName = [NSString stringWithUTF8String:fontName];
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CGSize dim, constrainSize;
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constrainSize.width = info->width;
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constrainSize.height = info->height;
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// On iOS custom fonts must be listed beforehand in the App info.plist (in order to be usable) and referenced only the by the font family name itself when
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// calling [UIFont fontWithName]. Therefore even if the developer adds 'SomeFont.ttf' or 'fonts/SomeFont.ttf' to the App .plist, the font must
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// be referenced as 'SomeFont' when calling [UIFont fontWithName]. Hence we strip out the folder path components and the extension here in order to get just
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// the font family name itself. This stripping step is required especially for references to user fonts stored in CCB files; CCB files appear to store
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// the '.ttf' extensions when referring to custom fonts.
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fntName = [[fntName lastPathComponent] stringByDeletingPathExtension];
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// create the font
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id font = [UIFont fontWithName:fntName size:size];
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if (font)
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{
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dim = _calculateStringSize(str, font, &constrainSize);
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}
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else
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{
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if (!font)
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{
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font = [UIFont systemFontOfSize:size];
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}
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if (font)
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{
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dim = _calculateStringSize(str, font, &constrainSize);
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}
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}
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CC_BREAK_IF(! font);
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// compute start point
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int startH = 0;
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if (constrainSize.height > dim.height)
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{
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// vertical alignment
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unsigned int vAlignment = ((int)align >> 4) & 0x0F;
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if (vAlignment == ALIGN_TOP)
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{
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startH = 0;
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}
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else if (vAlignment == ALIGN_CENTER)
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{
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startH = (constrainSize.height - dim.height) / 2;
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}
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else
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{
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startH = constrainSize.height - dim.height;
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}
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}
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// adjust text rect
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if (constrainSize.width > 0 && constrainSize.width > dim.width)
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{
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dim.width = constrainSize.width;
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}
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if (constrainSize.height > 0 && constrainSize.height > dim.height)
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{
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dim.height = constrainSize.height;
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}
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// compute the padding needed by shadow and stroke
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float shadowStrokePaddingX = 0.0f;
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float shadowStrokePaddingY = 0.0f;
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if ( info->hasStroke )
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{
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shadowStrokePaddingX = ceilf(info->strokeSize);
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shadowStrokePaddingY = ceilf(info->strokeSize);
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}
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// add the padding (this could be 0 if no shadow and no stroke)
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dim.width += shadowStrokePaddingX*2;
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dim.height += shadowStrokePaddingY*2;
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unsigned char* data = (unsigned char*)malloc(sizeof(unsigned char) * (int)(dim.width * dim.height * 4));
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memset(data, 0, (int)(dim.width * dim.height * 4));
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// draw text
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CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
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CGContextRef context = CGBitmapContextCreate(data,
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dim.width,
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dim.height,
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8,
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(int)(dim.width) * 4,
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colorSpace,
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kCGImageAlphaPremultipliedLast | kCGBitmapByteOrder32Big);
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if (!context)
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{
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CGColorSpaceRelease(colorSpace);
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CC_SAFE_FREE(data);
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break;
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}
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// text color
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CGContextSetRGBFillColor(context, info->tintColorR, info->tintColorG, info->tintColorB, 1);
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// move Y rendering to the top of the image
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CGContextTranslateCTM(context, 0.0f, (dim.height - shadowStrokePaddingY) );
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CGContextScaleCTM(context, 1.0f, -1.0f); //NOTE: NSString draws in UIKit referential i.e. renders upside-down compared to CGBitmapContext referential
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// store the current context
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UIGraphicsPushContext(context);
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// measure text size with specified font and determine the rectangle to draw text in
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unsigned uHoriFlag = (int)align & 0x0f;
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NSTextAlignment nsAlign = (2 == uHoriFlag) ? NSTextAlignmentRight
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: (3 == uHoriFlag) ? NSTextAlignmentCenter
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: NSTextAlignmentLeft;
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CGColorSpaceRelease(colorSpace);
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// compute the rect used for rendering the text
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// based on wether shadows or stroke are enabled
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float textOriginX = 0;
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float textOrigingY = startH;
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float textWidth = dim.width;
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float textHeight = dim.height;
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CGRect rect = CGRectMake(textOriginX, textOrigingY, textWidth, textHeight);
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CGContextSetShouldSubpixelQuantizeFonts(context, false);
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CGContextBeginTransparencyLayerWithRect(context, rect, NULL);
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if ( info->hasStroke )
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{
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CGContextSetTextDrawingMode(context, kCGTextStroke);
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if(s_isIOS7OrHigher)
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{
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NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
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paragraphStyle.alignment = nsAlign;
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paragraphStyle.lineBreakMode = NSLineBreakByWordWrapping;
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[str drawInRect:rect withAttributes:@{
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NSFontAttributeName: font,
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NSStrokeWidthAttributeName: [NSNumber numberWithFloat: info->strokeSize / size * 100 ],
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NSForegroundColorAttributeName:[UIColor colorWithRed:info->tintColorR
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green:info->tintColorG
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blue:info->tintColorB
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alpha:1.0f],
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NSParagraphStyleAttributeName:paragraphStyle,
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NSStrokeColorAttributeName: [UIColor colorWithRed:info->strokeColorR
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green:info->strokeColorG
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blue:info->strokeColorB
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alpha:1.0f]
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}
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];
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[paragraphStyle release];
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}
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else
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{
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CGContextSetRGBStrokeColor(context, info->strokeColorR, info->strokeColorG, info->strokeColorB, 1);
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CGContextSetLineWidth(context, info->strokeSize);
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//original code that was not working in iOS 7
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[str drawInRect: rect withFont:font lineBreakMode:NSLineBreakByWordWrapping alignment:nsAlign];
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}
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}
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CGContextSetTextDrawingMode(context, kCGTextFill);
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// actually draw the text in the context
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[str drawInRect: rect withFont:font lineBreakMode:NSLineBreakByWordWrapping alignment:nsAlign];
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CGContextEndTransparencyLayer(context);
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// pop the context
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UIGraphicsPopContext();
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// release the context
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CGContextRelease(context);
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// output params
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info->data = data;
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info->isPremultipliedAlpha = true;
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info->width = dim.width;
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info->height = dim.height;
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bRet = true;
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} while (0);
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return bRet;
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}
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Data Device::getTextureDataForText(const char * text, const FontDefinition& textDefinition, TextAlign align, int &width, int &height, bool& hasPremultipliedAlpha)
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{
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Data ret;
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do {
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tImageInfo info = {0};
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info.width = textDefinition._dimensions.width;
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info.height = textDefinition._dimensions.height;
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info.hasShadow = textDefinition._shadow._shadowEnabled;
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info.shadowOffset.width = textDefinition._shadow._shadowOffset.width;
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info.shadowOffset.height = textDefinition._shadow._shadowOffset.height;
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info.shadowBlur = textDefinition._shadow._shadowBlur;
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info.shadowOpacity = textDefinition._shadow._shadowOpacity;
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info.hasStroke = textDefinition._stroke._strokeEnabled;
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info.strokeColorR = textDefinition._stroke._strokeColor.r / 255.0f;
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info.strokeColorG = textDefinition._stroke._strokeColor.g / 255.0f;
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info.strokeColorB = textDefinition._stroke._strokeColor.b / 255.0f;
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info.strokeSize = textDefinition._stroke._strokeSize;
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info.tintColorR = textDefinition._fontFillColor.r / 255.0f;
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info.tintColorG = textDefinition._fontFillColor.g / 255.0f;
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info.tintColorB = textDefinition._fontFillColor.b / 255.0f;
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if (! _initWithString(text, align, textDefinition._fontName.c_str(), textDefinition._fontSize, &info))
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{
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break;
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}
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height = (short)info.height;
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width = (short)info.width;
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ret.fastSet(info.data,width * height * 4);
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hasPremultipliedAlpha = true;
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} while (0);
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return ret;
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}
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NS_CC_END
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#endif // CC_PLATFORM_IOS
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