mirror of https://github.com/axmolengine/axmol.git
Merge branch 'gles20' of https://github.com/ImperialPenguin/cocos2d-x into iss1024-bb-ttf
This commit is contained in:
James Chen
commit
48cc756d88
|
|
@ -1,73 +1,330 @@
|
|||
/****************************************************************************
|
||||
Copyright (c) 2010 cocos2d-x.org
|
||||
Copyright (c) 2010 cocos2d-x.org
|
||||
|
||||
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.
|
||||
****************************************************************************/
|
||||
|
||||
http://www.cocos2d-x.org
|
||||
#include <string.h>
|
||||
|
||||
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:
|
||||
#include <vector>
|
||||
#include <string>
|
||||
#include <sstream>
|
||||
|
||||
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.
|
||||
****************************************************************************/
|
||||
|
||||
#define __CC_PLATFORM_IMAGE_CPP__
|
||||
#include "platform/CCImageCommon_cpp.h"
|
||||
#include "platform/CCPlatformMacros.h"
|
||||
#include "platform/CCImage.h"
|
||||
#include "CCImage.h"
|
||||
#include "CCFileUtils.h"
|
||||
|
||||
#include "SkTypeface.h"
|
||||
#include "SkBitmap.h"
|
||||
#include "SkPaint.h"
|
||||
#include "SkCanvas.h"
|
||||
|
||||
#include "ft2build.h"
|
||||
#include FT_FREETYPE_H
|
||||
|
||||
#define szFont_kenning 2
|
||||
|
||||
#define SHIFT6(num) (num>>6)
|
||||
|
||||
using namespace std;
|
||||
|
||||
struct TextLine {
|
||||
string sLineStr;
|
||||
int iLineWidth;
|
||||
};
|
||||
|
||||
NS_CC_BEGIN;
|
||||
|
||||
class BitmapDC
|
||||
{
|
||||
public:
|
||||
BitmapDC() : m_pBitmap(NULL),
|
||||
m_pPaint(NULL)
|
||||
m_pPaint(NULL)
|
||||
{
|
||||
libError = FT_Init_FreeType( &library );
|
||||
iInterval = szFont_kenning;
|
||||
m_pData = NULL;
|
||||
reset();
|
||||
}
|
||||
|
||||
|
||||
~BitmapDC(void)
|
||||
{
|
||||
FT_Done_FreeType(library);
|
||||
CC_SAFE_DELETE(m_pPaint);
|
||||
CC_SAFE_DELETE(m_pBitmap);
|
||||
}
|
||||
|
||||
void reset() {
|
||||
iMaxLineWidth = 0;
|
||||
iMaxLineHeight = 0;
|
||||
vLines.clear();
|
||||
}
|
||||
|
||||
void buildLine(stringstream& ss, FT_Face face, int iCurXCursor, char cLastChar) {
|
||||
TextLine oTempLine;
|
||||
ss << '\0';
|
||||
oTempLine.sLineStr = ss.str();
|
||||
//get last glyph
|
||||
FT_Load_Glyph(face, FT_Get_Char_Index(face, cLastChar),
|
||||
FT_LOAD_DEFAULT);
|
||||
|
||||
oTempLine.iLineWidth = iCurXCursor - SHIFT6((face->glyph->metrics.horiAdvance - face->glyph->metrics.horiBearingX - face->glyph->metrics.width))/*-iInterval*/;//TODO interval
|
||||
iMaxLineWidth = MAX(iMaxLineWidth, oTempLine.iLineWidth);
|
||||
ss.clear();
|
||||
ss.str("");
|
||||
vLines.push_back(oTempLine);
|
||||
}
|
||||
|
||||
bool divideString(FT_Face face, const char* sText, int iMaxWidth, int iMaxHeight) {
|
||||
const char* pText = sText;
|
||||
int iError = 0;
|
||||
int iCurXCursor;
|
||||
iError = FT_Load_Glyph(face, FT_Get_Char_Index(face, *pText),
|
||||
FT_LOAD_DEFAULT);
|
||||
if (iError) {
|
||||
return false;
|
||||
}
|
||||
iCurXCursor = -SHIFT6(face->glyph->metrics.horiBearingX);
|
||||
//init stringstream
|
||||
stringstream ss;
|
||||
|
||||
int cLastCh = 0;
|
||||
|
||||
while (*pText != '\0') {
|
||||
if (*pText == '\n') {
|
||||
buildLine(ss, face, iCurXCursor, cLastCh);
|
||||
|
||||
pText++;
|
||||
iError = FT_Load_Glyph(face, FT_Get_Char_Index(face, *pText),
|
||||
FT_LOAD_DEFAULT);
|
||||
if (iError) {
|
||||
return false;
|
||||
}
|
||||
iCurXCursor = -SHIFT6(face->glyph->metrics.horiBearingX);
|
||||
continue;
|
||||
}
|
||||
|
||||
iError = FT_Load_Glyph(face, FT_Get_Char_Index(face, *pText),
|
||||
FT_LOAD_DEFAULT);
|
||||
|
||||
if (iError) {
|
||||
return false;
|
||||
//break;
|
||||
}
|
||||
//check its width
|
||||
//divide it when exceeding
|
||||
if ((iMaxWidth > 0
|
||||
&& iCurXCursor + SHIFT6(face->glyph->metrics.width)
|
||||
> iMaxWidth)) {
|
||||
buildLine(ss, face , iCurXCursor, cLastCh);
|
||||
|
||||
iCurXCursor = -SHIFT6(face->glyph->metrics.horiBearingX);
|
||||
|
||||
}
|
||||
|
||||
cLastCh = *pText;
|
||||
ss << *pText;
|
||||
iCurXCursor += SHIFT6(face->glyph->metrics.horiAdvance) + iInterval;
|
||||
pText++;
|
||||
|
||||
}
|
||||
if (iError) {
|
||||
return false;
|
||||
}
|
||||
|
||||
buildLine(ss,face, iCurXCursor, cLastCh);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* compute the start pos of every line
|
||||
*
|
||||
* return >0 represent the start x pos of the line
|
||||
* while -1 means fail
|
||||
*
|
||||
*/
|
||||
int computeLineStart(FT_Face face, CCImage::ETextAlign eAlignMask, char cText,
|
||||
int iLineIndex) {
|
||||
int iRet;
|
||||
int iError = FT_Load_Glyph(face, FT_Get_Char_Index(face, cText),
|
||||
FT_LOAD_DEFAULT);
|
||||
if (iError) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (eAlignMask == CCImage::kAlignCenter) {
|
||||
iRet = (iMaxLineWidth - vLines[iLineIndex].iLineWidth) / 2
|
||||
- SHIFT6(face->glyph->metrics.horiBearingX );
|
||||
|
||||
} else if (eAlignMask == CCImage::kAlignRight) {
|
||||
iRet = (iMaxLineWidth - vLines[iLineIndex].iLineWidth)
|
||||
- SHIFT6(face->glyph->metrics.horiBearingX );
|
||||
} else {
|
||||
// left or other situation
|
||||
iRet = -SHIFT6(face->glyph->metrics.horiBearingX );
|
||||
}
|
||||
return iRet;
|
||||
}
|
||||
|
||||
bool getBitmap(const char *text, int nWidth, int nHeight, CCImage::ETextAlign eAlignMask, const char * pFontName, float fontSize) {
|
||||
FT_Face face;
|
||||
FT_Error iError;
|
||||
|
||||
const char* pText = text;
|
||||
//data will be deleted by CCImage
|
||||
// if (m_pData) {
|
||||
// delete m_pData;
|
||||
// }
|
||||
|
||||
int iCurXCursor, iCurYCursor;
|
||||
bool bRet = false;
|
||||
if (libError) {
|
||||
return false;
|
||||
}
|
||||
do {
|
||||
//CCLog("\n\n ---- FT_New_Face with pFontName = %s\n", pFontName);
|
||||
iError = FT_New_Face( library, pFontName, 0, &face );
|
||||
|
||||
if (iError) {
|
||||
//no valid font found use default
|
||||
//CCLog("\n\n ---- no valid font, use default %s\n", pFontName);
|
||||
iError = FT_New_Face( library, "/usr/fonts/font_repository/monotype/arial.ttf", 0, &face );
|
||||
}
|
||||
CC_BREAK_IF(iError);
|
||||
|
||||
//select utf8 charmap
|
||||
iError = FT_Select_Charmap(face,FT_ENCODING_UNICODE);
|
||||
CC_BREAK_IF(iError);
|
||||
|
||||
iError = FT_Set_Pixel_Sizes(face, fontSize,fontSize);
|
||||
CC_BREAK_IF(iError);
|
||||
|
||||
iError = divideString(face, text, nWidth, nHeight)?0:1;
|
||||
|
||||
//compute the final line width
|
||||
iMaxLineWidth = MAX(iMaxLineWidth, nWidth);
|
||||
|
||||
iMaxLineHeight = (face->size->metrics.ascender >> 6)
|
||||
- (face->size->metrics.descender >> 6);
|
||||
iMaxLineHeight *= vLines.size();
|
||||
|
||||
//compute the final line height
|
||||
iMaxLineHeight = MAX(iMaxLineHeight, nHeight);
|
||||
m_pData = new unsigned char[iMaxLineWidth * iMaxLineHeight*4];
|
||||
iCurYCursor = SHIFT6(face->size->metrics.ascender);
|
||||
|
||||
memset(m_pData,0, iMaxLineWidth * iMaxLineHeight*4);
|
||||
|
||||
for (size_t i = 0; i < vLines.size(); i++) {
|
||||
pText = vLines[i].sLineStr.c_str();
|
||||
//initialize the origin cursor
|
||||
iCurXCursor = computeLineStart(face, eAlignMask, *pText, i);
|
||||
|
||||
while (*pText != 0) {
|
||||
int iError = FT_Load_Glyph(face, FT_Get_Char_Index(face, *pText),
|
||||
FT_LOAD_RENDER);
|
||||
if (iError) {
|
||||
break;
|
||||
}
|
||||
|
||||
// convert glyph to bitmap with 256 gray
|
||||
// and get the bitmap
|
||||
FT_Bitmap & bitmap = face->glyph->bitmap;
|
||||
|
||||
|
||||
for (int i = 0; i < bitmap.rows; ++i) {
|
||||
for (int j = 0; j < bitmap.width; ++j) {
|
||||
// if it has gray>0 we set show it as 1, o otherwise
|
||||
int iY = iCurYCursor + i
|
||||
- (face->glyph->metrics.horiBearingY
|
||||
>> 6);
|
||||
int iX = iCurXCursor
|
||||
+ (face->glyph->metrics.horiBearingX
|
||||
>> 6) + j;
|
||||
|
||||
if (iY>=iMaxLineHeight) {
|
||||
//exceed the height truncate
|
||||
continue;
|
||||
}
|
||||
|
||||
m_pData[(iY * iMaxLineWidth + iX) * 4 + 1] = bitmap.buffer[i * bitmap.width + j];//R
|
||||
m_pData[(iY * iMaxLineWidth + iX) * 4 + 2] = bitmap.buffer[i * bitmap.width + j];//G
|
||||
m_pData[(iY * iMaxLineWidth + iX) * 4 + 0] = bitmap.buffer[i * bitmap.width + j];//B
|
||||
|
||||
m_pData[(iY * iMaxLineWidth + iX) * 4 + 3] = bitmap.buffer[i * bitmap.width + j];//alpha
|
||||
}
|
||||
}
|
||||
//step to next glyph
|
||||
iCurXCursor += (face->glyph->metrics.horiAdvance >> 6)
|
||||
+ iInterval;
|
||||
|
||||
pText++;
|
||||
}
|
||||
iCurYCursor += (face->size->metrics.ascender >> 6)
|
||||
- (face->size->metrics.descender >> 6);
|
||||
}
|
||||
//print all image bitmap
|
||||
// for (int i = 0; i < iMaxLineHeight; i++) {
|
||||
// for (int j = 0; j < iMaxLineWidth; j++) {
|
||||
// printf("%d",
|
||||
// m_pData[(i * iMaxLineWidth + j) * 4] ? 1 : 0);
|
||||
// }
|
||||
// printf("\n");
|
||||
// }
|
||||
|
||||
// free face
|
||||
FT_Done_Face(face);
|
||||
face = NULL;
|
||||
|
||||
//clear all lines
|
||||
vLines.clear();
|
||||
|
||||
//success;
|
||||
if (iError) {
|
||||
bRet = false;
|
||||
} else
|
||||
bRet = true;
|
||||
}while(0);
|
||||
|
||||
return bRet;
|
||||
}
|
||||
|
||||
bool setFont(const char *pFontName = NULL, int nSize = 0)
|
||||
{
|
||||
bool bRet = false;
|
||||
|
||||
|
||||
if (m_pPaint)
|
||||
{
|
||||
delete m_pPaint;
|
||||
m_pPaint = NULL;
|
||||
}
|
||||
|
||||
do
|
||||
|
||||
do
|
||||
{
|
||||
/* init paint */
|
||||
m_pPaint = new SkPaint();
|
||||
CC_BREAK_IF(! m_pPaint);
|
||||
m_pPaint->setColor(SK_ColorWHITE);
|
||||
m_pPaint->setTextSize(nSize);
|
||||
|
||||
|
||||
/* create font */
|
||||
SkTypeface *pTypeFace = SkTypeface::CreateFromName(pFontName, SkTypeface::kNormal);
|
||||
if (! pTypeFace)
|
||||
|
|
@ -75,7 +332,7 @@ public:
|
|||
// let's replace with Arial first before failing
|
||||
pTypeFace = SkTypeface::CreateFromName("Arial", SkTypeface::kNormal);
|
||||
CCLOG("could not find font %s replacing with Arial\n", pFontName);
|
||||
|
||||
|
||||
if (!pTypeFace)
|
||||
{
|
||||
CC_SAFE_DELETE(m_pPaint);
|
||||
|
|
@ -85,13 +342,13 @@ public:
|
|||
m_pPaint->setTypeface( pTypeFace );
|
||||
/* cannot unref, I don't know why. It may be memory leak, but how to avoid? */
|
||||
pTypeFace->unref();
|
||||
|
||||
|
||||
bRet = true;
|
||||
} while (0);
|
||||
|
||||
|
||||
return bRet;
|
||||
}
|
||||
|
||||
|
||||
bool prepareBitmap(int nWidth, int nHeight)
|
||||
{
|
||||
// release bitmap
|
||||
|
|
@ -109,7 +366,7 @@ public:
|
|||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
/* use rgba8888 and alloc memory */
|
||||
m_pBitmap->setConfig(SkBitmap::kARGB_8888_Config, nWidth, nHeight);
|
||||
if (! m_pBitmap->allocPixels())
|
||||
|
|
@ -117,28 +374,28 @@ public:
|
|||
CC_SAFE_DELETE(m_pBitmap);
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
/* start with black/transparent pixels */
|
||||
m_pBitmap->eraseColor(0);
|
||||
}
|
||||
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
bool drawText(const char *pszText, int nWidth, int nHeight, CCImage::ETextAlign eAlignMask)
|
||||
{
|
||||
bool bRet = false;
|
||||
|
||||
do
|
||||
|
||||
do
|
||||
{
|
||||
CC_BREAK_IF(! pszText);
|
||||
CC_BREAK_IF(! prepareBitmap(nWidth, nHeight));
|
||||
|
||||
|
||||
/* create canvas */
|
||||
SkPaint::FontMetrics font;
|
||||
m_pPaint->getFontMetrics(&font);
|
||||
SkCanvas canvas(*m_pBitmap);
|
||||
|
||||
|
||||
/*
|
||||
* draw text
|
||||
* @todo: alignment
|
||||
|
|
@ -146,18 +403,18 @@ public:
|
|||
canvas.drawText(pszText, strlen(pszText), 0.0, -font.fAscent, *m_pPaint);
|
||||
bRet = true;
|
||||
} while (0);
|
||||
|
||||
|
||||
return bRet;
|
||||
}
|
||||
|
||||
|
||||
bool getTextExtentPoint(const char * pszText, int *pWidth, int *pHeight)
|
||||
{
|
||||
bool bRet = false;
|
||||
|
||||
do
|
||||
|
||||
do
|
||||
{
|
||||
CC_BREAK_IF(!pszText || !pWidth || !pHeight);
|
||||
|
||||
|
||||
// get text width and height
|
||||
if (m_pPaint)
|
||||
{
|
||||
|
|
@ -165,23 +422,31 @@ public:
|
|||
m_pPaint->getFontMetrics(&font);
|
||||
*pHeight = (int)ceil((font.fDescent - font.fAscent));
|
||||
*pWidth = (int)ceil((m_pPaint->measureText(pszText, strlen(pszText))));
|
||||
|
||||
|
||||
bRet = true;
|
||||
}
|
||||
}
|
||||
} while (0);
|
||||
|
||||
|
||||
return bRet;
|
||||
}
|
||||
|
||||
|
||||
SkBitmap* getBitmap()
|
||||
{
|
||||
return m_pBitmap;
|
||||
}
|
||||
|
||||
public:
|
||||
FT_Library library;
|
||||
unsigned char *m_pData;
|
||||
int libError;
|
||||
vector<TextLine> vLines;
|
||||
int iInterval;
|
||||
int iMaxLineWidth;
|
||||
int iMaxLineHeight;
|
||||
|
||||
private:
|
||||
SkPaint *m_pPaint;
|
||||
SkBitmap *m_pBitmap;
|
||||
|
||||
|
||||
};
|
||||
|
||||
static BitmapDC& sharedBitmapDC()
|
||||
|
|
@ -191,55 +456,74 @@ static BitmapDC& sharedBitmapDC()
|
|||
}
|
||||
|
||||
bool CCImage::initWithString(
|
||||
const char * pText,
|
||||
int nWidth/* = 0*/,
|
||||
int nHeight/* = 0*/,
|
||||
ETextAlign eAlignMask/* = kAlignCenter*/,
|
||||
const char * pFontName/* = nil*/,
|
||||
int nSize/* = 0*/)
|
||||
const char * pText,
|
||||
int nWidth/* = 0*/,
|
||||
int nHeight/* = 0*/,
|
||||
ETextAlign eAlignMask/* = kAlignCenter*/,
|
||||
const char * pFontName/* = nil*/,
|
||||
int nSize/* = 0*/)
|
||||
{
|
||||
bool bRet = false;
|
||||
|
||||
do
|
||||
do
|
||||
{
|
||||
CC_BREAK_IF(! pText);
|
||||
|
||||
BitmapDC &dc = sharedBitmapDC();
|
||||
|
||||
/* init font with font name and size */
|
||||
CC_BREAK_IF(! dc.setFont(pFontName, nSize));
|
||||
|
||||
#if (0)
|
||||
/* init font with font name and size */
|
||||
CC_BREAK_IF(!dc.setFont(pFontName, nSize))
|
||||
|
||||
/* compute text width and height */
|
||||
if (nWidth <= 0 || nHeight <= 0)
|
||||
{
|
||||
dc.getTextExtentPoint(pText, &nWidth, &nHeight);
|
||||
}
|
||||
CC_BREAK_IF(nWidth <= 0 || nHeight <= 0);
|
||||
|
||||
|
||||
CC_BREAK_IF( false == dc.drawText(pText, nWidth, nHeight, eAlignMask) );
|
||||
|
||||
|
||||
/*init image information */
|
||||
SkBitmap *pBitmap = dc.getBitmap();
|
||||
CC_BREAK_IF(! pBitmap);
|
||||
|
||||
|
||||
int nWidth = pBitmap->width();
|
||||
int nHeight = pBitmap->height();
|
||||
CC_BREAK_IF(nWidth <= 0 || nHeight <= 0);
|
||||
|
||||
|
||||
int nDataLen = pBitmap->rowBytes() * pBitmap->height();
|
||||
m_pData = new unsigned char[nDataLen];
|
||||
CC_BREAK_IF(! m_pData);
|
||||
memcpy((void*) m_pData, pBitmap->getPixels(), nDataLen);
|
||||
|
||||
|
||||
m_nWidth = (short)nWidth;
|
||||
m_nHeight = (short)nHeight;
|
||||
m_bHasAlpha = true;
|
||||
m_bPreMulti = true;
|
||||
m_nBitsPerComponent = pBitmap->bytesPerPixel();
|
||||
|
||||
|
||||
bRet = true;
|
||||
#endif
|
||||
const char* pFullFontName = CCFileUtils::fullPathFromRelativePath(pFontName);
|
||||
//CCLog("-----pText=%s and Font File is %s nWidth= %d,nHeight=%d",pText,pFullFontName,nWidth,nHeight);
|
||||
|
||||
CC_BREAK_IF(! dc.getBitmap(pText, nWidth, nHeight, eAlignMask, pFullFontName, nSize));
|
||||
//CCLog("---- dc.getBitmap is Succesfull... \n");
|
||||
|
||||
// assign the dc.m_pData to m_pData in order to save time
|
||||
m_pData = dc.m_pData;
|
||||
CC_BREAK_IF(! m_pData);
|
||||
|
||||
m_nWidth = (short)dc.iMaxLineWidth;
|
||||
m_nHeight = (short)dc.iMaxLineHeight;
|
||||
m_bHasAlpha = true;
|
||||
m_bPreMulti = true;
|
||||
m_nBitsPerComponent = 8;
|
||||
|
||||
bRet = true;
|
||||
|
||||
dc.reset();
|
||||
|
||||
} while (0);
|
||||
|
||||
|
||||
return bRet;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue