axmol/cocos2dx/label_nodes/CCTextImage.cpp

842 lines
20 KiB
C++

//
// CCTextImage.mm
// TestNewStringStuff
//
// Created by Carlo Morgantini on 4/9/13.
//
//
#include <stdio.h>
#include <string.h>
#include <vector>
#include <string>
#include "cocos2d.h"
#include "CCFontIOS.h"
#include "CCTextImage.h"
#include "CCFontRenderIOS.h"
// new stuff CarloX
#include "CCFontFreeType.h"
NS_CC_BEGIN
TextLineDef::TextLineDef(float x, float y, float width, float height) :_x(x), _y(y), _width(width), _height(height)
{
}
TextPageDef::TextPageDef(int pageNum, int width, int height): _pageNum(pageNum),
_width(width),
_height(height),
_pageData(0),
_pageTexture(0)
{
}
TextPageDef::~TextPageDef()
{
int numLines = _lines.size();
for( int c = 0; c<numLines; ++c )
{
delete _lines[c];
}
_lines.clear();
if (_pageData)
{
delete [] _pageData;
}
if (_pageTexture)
{
delete _pageTexture;
}
}
bool TextPageDef::generatePageTexture(bool releasePageData)
{
if (!_pageData)
return false;
if (_pageTexture)
{
delete _pageTexture;
_pageTexture = 0;
}
Size imageSize = CCSizeMake((float)(_width), (float)(_height));
if( (imageSize.width <=0) || (imageSize.height<=0) )
return false;
_pageTexture = new Texture2D();
if (!_pageTexture)
return false;
bool textureCreated = _pageTexture->initWithData(_pageData, kTexture2DPixelFormat_Default, _width, _height, imageSize);
_pageTexture->setPremultipliedAlpha(true);
// release the page data if requested
if ( releasePageData && textureCreated )
{
delete [] _pageData;
_pageData = 0;
}
return textureCreated;
}
void TextPageDef::preparePageTexture(bool releaseRAWData)
{
generatePageTexture(releaseRAWData);
}
Texture2D *TextPageDef::getPageTexture()
{
if (!_pageTexture)
{
generatePageTexture();
}
return _pageTexture;
}
TextFontPagesDef::TextFontPagesDef(char *fontName, int fontSize): _fontSize(fontSize)
{
_fontName = new char[strlen(fontName)+1];
if (_fontName)
strcpy(_fontName, fontName);
}
TextFontPagesDef::~TextFontPagesDef()
{
int numPages = _pages.size();
for( int c = 0; c<numPages; ++c )
{
if (_pages[c])
delete _pages[c];
}
if (_fontName)
{
delete [] _fontName;
}
}
int _getNumGlyphsFittingInSize(std::map<unsigned short int, GlyphDef> &glyphDefs, unsigned short int *strUTF8, Font *pFont, Size *constrainSize, int &outNewSize)
{
if (!strUTF8)
return NULL;
float widthWithBBX = 0.0f;
float lastWidth = 0.0f;
// get the string to UTF8
int numChar = cc_wcslen(strUTF8);
for (int c = 0; c<numChar; ++c)
{
widthWithBBX+= (glyphDefs[strUTF8[c]].getRect().size.width + glyphDefs[strUTF8[c]].getPadding());
if (widthWithBBX >= constrainSize->width)
{
outNewSize = lastWidth;
return c;
}
lastWidth = widthWithBBX;
}
outNewSize = constrainSize->width;
return numChar;
}
const char * _getStringInBoundsUsingGlyphSize(std::map<unsigned short int, GlyphDef> &glyphDefs, const char *str, Font *pFont, Size *constrainSize)
{
Size tmp = pFont->getTextWidthAndHeight(str);
float widthWithBBX = 0.0f;
// get the string to UTF8
int numChar = 0;
unsigned short int *strUTF8 = pFont->getUTF8Text(str, numChar);
if (!strUTF8)
return NULL;
for (int c = 0; c<numChar; ++c)
{
widthWithBBX+= (glyphDefs[strUTF8[c]].getRect().size.width + glyphDefs[strUTF8[c]].getPadding());
}
// not needed anymore
delete [] strUTF8;
float maxWidth = std::max(tmp.width, widthWithBBX);
if ( maxWidth < constrainSize->width )
{
return str;
}
else
{
// trim the string
const char *pNewString = pFont->trimUTF8Text(str, 0, (numChar - 2));
if (!pNewString)
return 0;
// try again with one less character
return _getStringInBoundsUsingGlyphSize(glyphDefs, pNewString, pFont, constrainSize);
}
}
TextImage::TextImage(): _font(0), _fontRender(0), _fontNew(0), _fontRenderNew(0)
{
}
TextImage::~TextImage()
{
if (_fontPages)
{
delete _fontPages;
}
if (_font)
{
delete _font;
}
}
bool TextImage::initWithStringNew(const char * pText, int nWidth, int nHeight, const char * pFontName, int nSize, bool textIsUTF16, bool releaseRAWData)
{
CGSize constrainSize;
unsigned short int *strUTF16 = 0;
int stringNumChars;
if ( textIsUTF16 )
{
strUTF16 = (unsigned short int *)pText;
stringNumChars = cc_wcslen(strUTF16);
}
else
{
// string needs to go to unicode
strUTF16 = _fontNew->getUTF8Text(pText, stringNumChars);
}
// tell if the string has been trimmed at least one
bool stringTrimmedOnce = false;
constrainSize.width = nWidth;
constrainSize.height = nHeight;
// pointer to the original input stream
//const char *inputString = pText;
int delta = 0;
int currentPage = 0;
float currentY = 0.0;
//carloX
float lineHeight = _fontNew->getTextWidthAndHeight(pText).height;
// check if at least one line will fit in the texture
if ( lineHeight > constrainSize.height )
{
// we can't even fit one line in this texture
return false;
}
// create pages for the font
_fontPagesNew = new TextFontPagesDef((char *)pFontName, nSize);
if (!_fontPagesNew)
return false;
// create the first page (ther is going to be at least one page)
TextPageDef *currentPageDef = new TextPageDef(currentPage, nWidth, nHeight);
if ( !currentPageDef )
return false;
// add the current page
_fontPagesNew->addPage(currentPageDef);
do {
// choose texture page
if ( ( currentY + lineHeight ) > constrainSize.height )
{
currentY = 0;
currentPage += 1;
// create a new page and add
currentPageDef = new TextPageDef(currentPage, nWidth, nHeight);
if ( !currentPageDef )
return false;
_fontPagesNew->addPage(currentPageDef);
}
// get the new fitting string
Size tempSize;
tempSize.width = constrainSize.width;
tempSize.height = constrainSize.height;
//const char *pNewString = _getStringInBoundsUsingGlyphSizeNew(_textGlyphsNew, inputString, _fontNew, &tempSize);
// figure out how many glyphs fit in this line
int newLineSize = 0;
int numFittingChar = _getNumGlyphsFittingInSize(_textGlyphsNew, strUTF16, _fontNew, &tempSize, newLineSize);
// crete the temporary new string
unsigned short int *pTempString = 0;
pTempString = _fontNew->trimUTF16Text(strUTF16, 0, (numFittingChar - 1));
// create the new line and add to the current page
TextLineDef *newLine = new TextLineDef(0.0, currentY, newLineSize, lineHeight);
if ( !newLine )
return false;
// add all the glyphs to this line
addGlyphsToLineNew(newLine, (const char *)pTempString, true);
// add the line the to current page
currentPageDef->addLine(newLine);
// can now release the string
delete [] pTempString;
// create the new string
int stringLenght = _fontNew->getUTF16TextLenght(strUTF16);
delta = (stringLenght - numFittingChar);
// there is still some leftover, need to work on it
if ( delta )
{
// create the new string
unsigned short int *tempS = _fontNew->trimUTF16Text(strUTF16, numFittingChar, (stringLenght - 1));
// a copy of the string has been created
stringTrimmedOnce = true;
// release the old one
delete [] strUTF16;
// assign pointer
strUTF16 = tempS;
}
// go to next line
currentY += lineHeight;
} while( delta );
if (!textIsUTF16 || stringTrimmedOnce)
delete [] strUTF16;
// actually create the needed images
return createImageDataFromPagesNew(_fontPagesNew, releaseRAWData);
return true;
}
bool TextImage::initWithString(const char * pText, int nWidth, int nHeight, const char * pFontName, int nSize, bool releaseRAWData)
{
// create the reference to the system font
if ( !createFontRef(pFontName, nSize) )
return false;
// generate the glyphs
if ( !generateTextGlyphs(pText) )
return false;
// carloX new stuff
initWithStringNew(pText, nWidth, nHeight, pFontName, nSize, false, releaseRAWData);
// end new stuff
CGSize constrainSize;
constrainSize.width = nWidth;
constrainSize.height = nHeight;
// pointer to the original input stream
const char *inputString = pText;
int delta = 0;
int currentPage = 0;
float currentY = 0.0;
float lineHeight = _font->getTextWidthAndHeight(pText).height;
// check if at least one line will fit in the texture
if (lineHeight > constrainSize.height)
{
// we can't even fit one line in this texture
return false;
}
// create pages for the font
_fontPages = new TextFontPagesDef((char *)pFontName, nSize);
if (!_fontPages)
return false;
// create the first page (ther is going to be at least one page)
TextPageDef *currentPageDef = new TextPageDef(currentPage, nWidth, nHeight);
if ( !currentPageDef )
return false;
// add the current page
_fontPages->addPage(currentPageDef);
do {
// choose texture page
if ( ( currentY + lineHeight ) > constrainSize.height )
{
currentY = 0;
currentPage += 1;
// create a new page and add
currentPageDef = new TextPageDef(currentPage, nWidth, nHeight);
if ( !currentPageDef )
return false;
_fontPages->addPage(currentPageDef);
}
// get the new fitting string
Size tempSize;
tempSize.width = constrainSize.width;
tempSize.height = constrainSize.height;
const char *pNewString = _getStringInBoundsUsingGlyphSize(_textGlyphs, inputString, _font, &tempSize);
// get the new string width
float newStringWidth = _font->getTextWidthAndHeight(pNewString).width;
// create the new line and add to the current page
TextLineDef *newLine = new TextLineDef(0.0, currentY, newStringWidth, lineHeight);
if ( !newLine )
return false;
// add all the glyphs to this line
//
addGlyphsToLine(newLine, pNewString);
// add the line the to current page
currentPageDef->addLine(newLine);
// get the remaining string
delta = _font->getUTF8TextLenght(inputString) - _font->getUTF8TextLenght(pNewString);
if (delta)
{
int startIndex = _font->getUTF8TextLenght(pNewString);
inputString = _font->trimUTF8Text(inputString, startIndex, startIndex + (delta - 1));
}
// go to next line
currentY += lineHeight;
} while( delta );
// actually create the needed images
return createImageDataFromPages(_fontPages, releaseRAWData);
}
bool TextImage::createFontRef(const char *fontName, int fontSize)
{
//carloX new stuff
if (_fontNew)
{
delete _fontNew;
_fontNew = 0;
}
_fontNew = new FontFreeType();
if (!_fontNew)
return false;
// fixed font name for now, to be changed
//if( !_fontNew->createFontObject("fonts/Marker Felt.ttf", 20))
if( !_fontNew->createFontObject("fonts/arial.ttf", 26))
return false;
// end carloX new stuff
if (_font)
{
delete _font;
_font = 0;
}
// carloX
_font = new FontIOS();
if (_font)
return _font->createFontObject(std::string(fontName), fontSize);
else
return false;
}
bool TextImage::createFontRenderNew()
{
if (!_fontNew)
return false;
if (_fontRenderNew)
{
delete _fontRenderNew;
_fontRenderNew = 0;
}
_fontRenderNew = new FontRenderFreeType(_fontNew);
if (!_fontRenderNew)
return false;
return true;
}
bool TextImage::createFontRender()
{
if (_fontRender)
{
delete _fontRender;
_fontRender = 0;
}
// carloX
_fontRender = new FontRenderIOS(_font);
return true;
}
bool TextImage::addGlyphsToLineNew(TextLineDef *line, const char *lineText, bool textIsUTF16)
{
if (!_font)
return false;
int numLetters = 0;
unsigned short int *UTF16string = 0;
if (textIsUTF16)
{
UTF16string = (unsigned short int *) lineText;
numLetters = cc_wcslen(UTF16string);
}
else
{
UTF16string = _fontNew->getUTF8Text(lineText, numLetters);
}
for (int c=0; c<numLetters; ++c)
{
_textGlyphsNew[UTF16string[c]].setCommonHeight(line->getHeight());
line->addGlyph(_textGlyphsNew[UTF16string[c]] );
}
if(!textIsUTF16)
delete [] UTF16string;
return true;
}
bool TextImage::addGlyphsToLine(TextLineDef *line, const char *lineText, bool textIsUTF16)
{
if (!_font)
return false;
int numLetters = 0;
unsigned short int *UTF16string = 0;
if (textIsUTF16)
{
UTF16string = (unsigned short int *) lineText;
numLetters = cc_wcslen(UTF16string);
}
else
{
UTF16string = _font->getUTF8Text(lineText, numLetters);
}
for (int c=0; c<numLetters; ++c)
{
_textGlyphs[UTF16string[c]].setCommonHeight(line->getHeight());
line->addGlyph(_textGlyphs[UTF16string[c]] );
}
if(!textIsUTF16)
delete [] UTF16string;
return true;
}
bool TextImage::generateTextGlyphs(const char * pText)
{
int numGlyphs = 0;
// carloX new stuff
if(!_fontNew)
return false;
GlyphDef *pNewGlyphs = _fontNew->getGlyphsForText(pText, numGlyphs);
if (!pNewGlyphs)
return false;
for (int c=0; c < numGlyphs; ++c)
{
_textGlyphsNew[pNewGlyphs[c].getUTF8Letter()] = pNewGlyphs[c];
}
delete [] pNewGlyphs;
// end new stuff
if (!_font)
return false;
GlyphDef *pGlyphs = _font->getGlyphsForText(pText, numGlyphs);
if (!pGlyphs || !numGlyphs)
return false;
for (int c=0; c<numGlyphs; ++c)
{
_textGlyphs[pGlyphs[c].getUTF8Letter()] = pGlyphs[c];
}
delete [] pGlyphs;
return true;
}
bool TextImage::createImageDataFromPagesNew(TextFontPagesDef *thePages, bool releaseRAWData)
{
int numPages = thePages->getNumPages();
if (!numPages)
return false;
for (int c = 0; c < numPages; ++c)
{
unsigned char *pPageData = 0;
pPageData = preparePageGlyphDataNew(thePages->getPageAt(c), thePages->getFontName(), thePages->getFontSize());
if (pPageData)
{
// set the page data
thePages->getPageAt(c)->setPageData(pPageData);
// crete page texture and relase RAW data
thePages->getPageAt(c)->preparePageTexture(releaseRAWData);
}
else
{
return false;
}
}
return true;
}
bool TextImage::createImageDataFromPages(TextFontPagesDef *thePages, bool releaseRAWData)
{
int numPages = thePages->getNumPages();
if (!numPages)
return false;
for (int c = 0; c < numPages; ++c)
{
unsigned char *pPageData = 0;
pPageData = preparePageGlyphData(thePages->getPageAt(c), thePages->getFontName(), thePages->getFontSize());
if (pPageData)
{
// set the page data
thePages->getPageAt(c)->setPageData(pPageData);
// crete page texture and relase RAW data
thePages->getPageAt(c)->preparePageTexture(releaseRAWData);
}
else
{
return false;
}
}
return true;
}
unsigned char * TextImage::preparePageGlyphDataNew(TextPageDef *thePage, char *fontName, int fontSize)
{
if ( !_fontRenderNew )
{
createFontRenderNew();
}
if (_fontRenderNew)
{
return _fontRenderNew->preparePageGlyphData(thePage, fontName, fontSize);
}
else
{
return 0;
}
}
unsigned char * TextImage::preparePageGlyphData(TextPageDef *thePage, char *fontName, int fontSize)
{
// crate the font renderer if needed
if (!_fontRender)
{
createFontRender();
}
if (_fontRender)
{
return _fontRender->preparePageGlyphData(thePage, fontName, fontSize);
}
else
{
return 0;
}
}
bool TextImage::debugSaveToFile(const char *pszFilePath, bool bIsToRGB)
{
/* TO DO
if ( (!mFontPages) || (mFontPages->getNumPages() == 0))
return false;
bool saveToPNG = false;
bool needToCopyPixels = false;
std::string filePath(pszFilePath);
if (std::string::npos != filePath.find(".png"))
{
saveToPNG = true;
}
int bitsPerComponent = 8;
int bitsPerPixel = 32;
if ((! saveToPNG) || bIsToRGB)
{
bitsPerPixel = 24;
}
int pageWidth = mFontPages->getPageAt(0)->getWidth();
int pageHeight = mFontPages->getPageAt(0)->getHeight();
int bytesPerRow = (bitsPerPixel/8) * pageWidth;
int myDataLength = bytesPerRow * pageHeight;
for(int cPages = 0; cPages<mFontPages->getNumPages(); ++cPages)
{
TextPageDef *pCurrentPage = mFontPages->getPageAt(cPages);
if(!pCurrentPage)
return false;
unsigned char *pixels = pCurrentPage->getPageData();
// make data provider with data.
CGBitmapInfo bitmapInfo = kCGBitmapByteOrderDefault;
if (saveToPNG)
{
bitmapInfo |= kCGImageAlphaPremultipliedLast;
}
CGDataProviderRef provider = CGDataProviderCreateWithData(NULL, pixels, myDataLength, NULL);
CGColorSpaceRef colorSpaceRef = CGColorSpaceCreateDeviceRGB();
CGImageRef iref = CGImageCreate(pageWidth, pageHeight,
bitsPerComponent, bitsPerPixel, bytesPerRow,
colorSpaceRef, bitmapInfo, provider,
NULL, false,
kCGRenderingIntentDefault);
UIImage* image = [[UIImage alloc] initWithCGImage:iref];
CGImageRelease(iref);
CGColorSpaceRelease(colorSpaceRef);
CGDataProviderRelease(provider);
NSData *data;
if (saveToPNG)
{
data = UIImagePNGRepresentation(image);
}
else
{
data = UIImageJPEGRepresentation(image, 1.0f);
}
char tempString[1000];
sprintf(tempString, "%d", cPages);
std::string couterString(tempString);
std::string finalFileName = couterString + pszFilePath;
[data writeToFile:[NSString stringWithUTF8String:finalFileName.c_str()] atomically:YES];
[image release];
if (needToCopyPixels)
{
delete [] pixels;
}
}
return true;
*/
return false;
}
NS_CC_END