CCDevice-mac.mm
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/****************************************************************************
Copyright (c) 2010-2012 cocos2d-x.org
Copyright (c) 2013-2016 Chukong Technologies Inc.
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
http://www.cocos2d-x.org
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.
****************************************************************************/
#include "platform/CCDevice.h"
#include <Foundation/Foundation.h>
#include <Cocoa/Cocoa.h>
#include <string>
#include "base/ccTypes.h"
#include "platform/apple/CCDevice-apple.h"
NS_CC_BEGIN
static NSAttributedString* __attributedStringWithFontSize(NSMutableAttributedString* attributedString, CGFloat fontSize)
{
{
[attributedString beginEditing];
[attributedString enumerateAttribute:NSFontAttributeName inRange:NSMakeRange(0, attributedString.length) options:0 usingBlock:^(id value, NSRange range, BOOL *stop) {
NSFont* font = value;
font = [[NSFontManager sharedFontManager] convertFont:font toSize:fontSize];
[attributedString removeAttribute:NSFontAttributeName range:range];
[attributedString addAttribute:NSFontAttributeName value:font range:range];
}];
[attributedString endEditing];
}
return [[attributedString copy] autorelease];
}
int Device::getDPI()
{
NSScreen *screen = [NSScreen mainScreen];
NSDictionary *description = [screen deviceDescription];
NSSize displayPixelSize = [[description objectForKey:NSDeviceSize] sizeValue];
CGSize displayPhysicalSize = CGDisplayScreenSize([[description objectForKey:@"NSScreenNumber"] unsignedIntValue]);
return ((displayPixelSize.width / displayPhysicalSize.width) * 25.4f);
}
void Device::setAccelerometerEnabled(bool isEnabled)
{
}
void Device::setAccelerometerInterval(float interval)
{
}
typedef struct
{
int height;
int width;
bool hasAlpha;
bool isPremultipliedAlpha;
unsigned char* data;
} tImageInfo;
static NSSize _calculateStringSize(NSAttributedString *str, id font, CGSize *constrainSize, bool enableWrap, int overflow)
{
NSSize textRect = NSZeroSize;
textRect.width = constrainSize->width > 0 ? constrainSize->width
: CGFLOAT_MAX;
textRect.height = constrainSize->height > 0 ? constrainSize->height
: CGFLOAT_MAX;
if (overflow == 1) {
if (!enableWrap) {
textRect.width = CGFLOAT_MAX;
textRect.height = CGFLOAT_MAX;
} else {
textRect.height = CGFLOAT_MAX;
}
}
NSSize dim;
#ifdef __MAC_10_11
#if __MAC_OS_X_VERSION_MAX_ALLOWED >= __MAC_10_11
dim = [str boundingRectWithSize:textRect options:(NSStringDrawingOptions)(NSStringDrawingUsesLineFragmentOrigin) context:nil].size;
#else
dim = [str boundingRectWithSize:textRect options:(NSStringDrawingOptions)(NSStringDrawingUsesLineFragmentOrigin)].size;
#endif
#else
dim = [str boundingRectWithSize:textRect options:(NSStringDrawingOptions)(NSStringDrawingUsesLineFragmentOrigin)].size;
#endif
dim.width = ceilf(dim.width);
dim.height = ceilf(dim.height);
return dim;
}
static NSSize _calculateRealSizeForString(NSAttributedString **str, id font, NSSize constrainSize, bool enableWrap)
{
CGRect actualSize = CGRectMake(0, 0, constrainSize.width + 1, constrainSize.height + 1);
int fontSize = [font pointSize];
fontSize = fontSize + 1;
if (!enableWrap) {
while (actualSize.size.width > constrainSize.width ||
actualSize.size.height > constrainSize.height) {
fontSize = fontSize - 1;
if (fontSize < 0) {
actualSize = CGRectMake(0, 0, 0, 0);
break;
}
NSMutableAttributedString *mutableString = [[*str mutableCopy] autorelease];
*str = __attributedStringWithFontSize(mutableString, fontSize);
#ifdef __MAC_10_11
#if __MAC_OS_X_VERSION_MAX_ALLOWED >= __MAC_10_11
CGSize fitSize = [*str boundingRectWithSize:CGSizeMake( CGFLOAT_MAX, CGFLOAT_MAX) options:NSStringDrawingUsesLineFragmentOrigin context:nil].size;
#else
CGSize fitSize = [*str boundingRectWithSize:CGSizeMake( CGFLOAT_MAX, CGFLOAT_MAX) options:NSStringDrawingUsesLineFragmentOrigin].size;
#endif
#else
CGSize fitSize = [*str boundingRectWithSize:CGSizeMake( CGFLOAT_MAX, CGFLOAT_MAX) options:NSStringDrawingUsesLineFragmentOrigin].size;
#endif
if(fitSize.width == 0 || fitSize.height == 0) continue;
actualSize.size = fitSize;
if (constrainSize.width <= 0) {
constrainSize.width = fitSize.width;
}
if (constrainSize.height <= 0){
constrainSize.height = fitSize.height;
}
if(fontSize <= 0){
break;
}
}
}
else {
while (actualSize.size.height > constrainSize.height
||actualSize.size.width > constrainSize.width) {
fontSize = fontSize - 1;
if (fontSize < 0) {
actualSize = CGRectMake(0, 0, 0, 0);
break;
}
NSMutableAttributedString *mutableString = [[*str mutableCopy] autorelease];
*str = __attributedStringWithFontSize(mutableString, fontSize);
#ifdef __MAC_10_11
#if __MAC_OS_X_VERSION_MAX_ALLOWED >= __MAC_10_11
CGSize fitSize = [*str boundingRectWithSize:CGSizeMake( constrainSize.width, CGFLOAT_MAX) options:NSStringDrawingUsesLineFragmentOrigin context:nil].size;
#else
CGSize fitSize = [*str boundingRectWithSize:CGSizeMake( constrainSize.width, CGFLOAT_MAX) options:NSStringDrawingUsesLineFragmentOrigin].size;
#endif
#else
CGSize fitSize = [*str boundingRectWithSize:CGSizeMake( constrainSize.width, CGFLOAT_MAX) options:NSStringDrawingUsesLineFragmentOrigin].size;
#endif
if(fitSize.width == 0 || fitSize.height == 0) continue;
actualSize.size = fitSize;
if (constrainSize.width <= 0) {
constrainSize.width = fitSize.width;
}
if (constrainSize.height <= 0){
constrainSize.height = fitSize.height;
}
if(fontSize <= 0){
break;
}
}
}
return CGSizeMake(actualSize.size.width, actualSize.size.height);
}
static NSFont* _createSystemFont(const char* fontName, int size)
{
NSString * fntName = [NSString stringWithUTF8String:fontName];
fntName = [[fntName lastPathComponent] stringByDeletingPathExtension];
// font
NSFont *font = [NSFont fontWithName:fntName size:size];
if (font == nil) {
font = [NSFont systemFontOfSize:size];
}
return font;
}
static CGFloat _calculateTextDrawStartHeight(cocos2d::Device::TextAlign align, CGSize realDimensions, CGSize dimensions)
{
float startH = 0;
// vertical alignment
unsigned int vAlignment = ((int)align >> 4) & 0x0F;
switch (vAlignment) {
//bottom
case 1:startH = dimensions.height - realDimensions.height;break;
//top
case 2:startH = 0;break;
//center
case 3: startH = (dimensions.height - realDimensions.height) / 2;break;
default:
break;
}
return startH;
}
static bool _initWithString(const char * text, Device::TextAlign align, const char * fontName, int size, tImageInfo* info, const Color3B* fontColor, int fontAlpha, bool enableWrap, int overflow)
{
bool ret = false;
CCASSERT(text, "Invalid text");
CCASSERT(info, "Invalid info");
do {
NSString * string = [NSString stringWithUTF8String:text];
CC_BREAK_IF(!string);
id font = _createSystemFont(fontName, size);
CC_BREAK_IF(!font);
// color
NSColor* foregroundColor;
if (fontColor) {
foregroundColor = [NSColor colorWithDeviceRed:fontColor->r/255.0
green:fontColor->g/255.0
blue:fontColor->b/255.0
alpha:fontAlpha/255.0];
} else {
foregroundColor = [NSColor whiteColor];
}
// alignment
NSTextAlignment textAlign = FontUtils::_calculateTextAlignment(align);
NSMutableParagraphStyle *paragraphStyle = FontUtils::_calculateParagraphStyle(enableWrap, overflow);
[paragraphStyle setAlignment:textAlign];
// attribute
NSDictionary* tokenAttributesDict = [NSDictionary dictionaryWithObjectsAndKeys:
foregroundColor,NSForegroundColorAttributeName,
font, NSFontAttributeName,
paragraphStyle, NSParagraphStyleAttributeName, nil];
NSAttributedString *stringWithAttributes =[[[NSAttributedString alloc] initWithString:string
attributes:tokenAttributesDict] autorelease];
CGSize dimensions = CGSizeMake(info->width, info->height);
NSSize realDimensions;
if (overflow == 2)
realDimensions = _calculateRealSizeForString(&stringWithAttributes, font, dimensions, enableWrap);
else
realDimensions = _calculateStringSize(stringWithAttributes, font, &dimensions, enableWrap, overflow);
// Mac crashes if the width or height is 0
CC_BREAK_IF(realDimensions.width <= 0 || realDimensions.height <= 0);
if(dimensions.width <= 0.f)
dimensions.width = realDimensions.width;
if (dimensions.height <= 0.f)
dimensions.height = realDimensions.height;
//Alignment
CGFloat xPadding = FontUtils::_calculateTextDrawStartWidth(align, realDimensions, dimensions);
CGFloat yPadding = _calculateTextDrawStartHeight(align, realDimensions, dimensions);
NSInteger POTWide = dimensions.width;
NSInteger POTHigh = dimensions.height;
NSRect textRect = NSMakeRect(xPadding, POTHigh - dimensions.height + yPadding,
realDimensions.width, realDimensions.height);
NSBitmapImageRep* offscreenRep = [[[NSBitmapImageRep alloc]
initWithBitmapDataPlanes:NULL
pixelsWide:POTWide
pixelsHigh:POTHigh
bitsPerSample:8
samplesPerPixel:4
hasAlpha:YES
isPlanar:NO
colorSpaceName:NSDeviceRGBColorSpace
bitmapFormat: 0
bytesPerRow:4 * POTWide
bitsPerPixel:32] autorelease];
NSGraphicsContext* g = [NSGraphicsContext graphicsContextWithBitmapImageRep:offscreenRep];
[NSGraphicsContext saveGraphicsState];
[NSGraphicsContext setCurrentContext:g];
[stringWithAttributes drawInRect:textRect];
[NSGraphicsContext restoreGraphicsState];
auto data = (unsigned char*) [offscreenRep bitmapData]; //Use the same buffer to improve the performance.
NSUInteger textureSize = POTWide * POTHigh * 4;
auto dataNew = (unsigned char*)malloc(sizeof(unsigned char) * textureSize);
if (dataNew) {
memcpy(dataNew, data, textureSize);
// output params
info->width = static_cast<int>(POTWide);
info->height = static_cast<int>(POTHigh);
info->data = dataNew;
info->hasAlpha = true;
info->isPremultipliedAlpha = true;
ret = true;
}
} while (0);
return ret;
}
Data Device::getTextureDataForText(const char * text, const FontDefinition& textDefinition, TextAlign align, int &width, int &height, bool& hasPremultipliedAlpha)
{
Data ret;
do {
tImageInfo info = {0};
info.width = textDefinition._dimensions.width;
info.height = textDefinition._dimensions.height;
if (! _initWithString(text, align, textDefinition._fontName.c_str(), textDefinition._fontSize, &info, &textDefinition._fontFillColor, textDefinition._fontAlpha, textDefinition._enableWrap, textDefinition._overflow))
{
break;
}
height = (short)info.height;
width = (short)info.width;
ret.fastSet(info.data,width * height * 4);
hasPremultipliedAlpha = true;
} while (0);
return ret;
}
void Device::setKeepScreenOn(bool value)
{
}
void Device::vibrate(float duration)
{
}
NS_CC_END