mirror of https://github.com/axmolengine/axmol.git
Merge pull request #4715 from SBKarr/develop
closed #3542: AngelCode binary file format support for LabelBMFont.
This commit is contained in:
James Chen
commit
31e2b3d5c2
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@ -183,10 +183,16 @@ void CCBMFontConfiguration::purgeFontDefDictionary()
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std::set<unsigned int>* CCBMFontConfiguration::parseConfigFile(const std::string& controlFile)
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{
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std::string fullpath = FileUtils::getInstance()->fullPathForFilename(controlFile);
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std::string contents = FileUtils::getInstance()->getStringFromFile(fullpath);
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CCASSERT(!contents.empty(), "CCBMFontConfiguration::parseConfigFile | Open file error.");
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Data data = FileUtils::getInstance()->getDataFromFile(fullpath);
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CCASSERT((!data.isNull() && data.getSize() > 0), "CCBMFontConfiguration::parseConfigFile | Open file error.");
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if (memcmp("BMF", data.getBytes(), 3) == 0) {
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std::set<unsigned int>* ret = parseBinaryConfigFile(data.getBytes(), data.getSize(), controlFile);
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return ret;
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}
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std::string contents((const char*)data.getBytes(), data.getSize());
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std::set<unsigned int> *validCharsString = new std::set<unsigned int>();
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@ -260,6 +266,167 @@ std::set<unsigned int>* CCBMFontConfiguration::parseConfigFile(const std::string
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return validCharsString;
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}
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std::set<unsigned int>* CCBMFontConfiguration::parseBinaryConfigFile(unsigned char* pData, unsigned long size, const std::string& controlFile)
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{
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/* based on http://www.angelcode.com/products/bmfont/doc/file_format.html file format */
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set<unsigned int> *validCharsString = new set<unsigned int>();
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unsigned long remains = size;
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unsigned char version = pData[3];
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CCASSERT(version == 3, "Only version 3 is supported");
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pData += 4; remains -= 4;
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while (remains > 0)
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{
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unsigned char blockId = pData[0]; pData += 1; remains -= 1;
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uint32_t blockSize = 0; memcpy(&blockSize, pData, 4);
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pData += 4; remains -= 4;
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if (blockId == 1)
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{
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/*
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fontSize 2 int 0
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bitField 1 bits 2 bit 0: smooth, bit 1: unicode, bit 2: italic, bit 3: bold, bit 4: fixedHeigth, bits 5-7: reserved
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charSet 1 uint 3
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stretchH 2 uint 4
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aa 1 uint 6
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paddingUp 1 uint 7
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paddingRight 1 uint 8
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paddingDown 1 uint 9
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paddingLeft 1 uint 10
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spacingHoriz 1 uint 11
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spacingVert 1 uint 12
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outline 1 uint 13 added with version 2
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fontName n+1 string 14 null terminated string with length n
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*/
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_padding.top = (unsigned char)pData[7];
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_padding.right = (unsigned char)pData[8];
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_padding.bottom = (unsigned char)pData[9];
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_padding.left = (unsigned char)pData[10];
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}
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else if (blockId == 2)
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{
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/*
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lineHeight 2 uint 0
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base 2 uint 2
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scaleW 2 uint 4
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scaleH 2 uint 6
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pages 2 uint 8
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bitField 1 bits 10 bits 0-6: reserved, bit 7: packed
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alphaChnl 1 uint 11
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redChnl 1 uint 12
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greenChnl 1 uint 13
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blueChnl 1 uint 14
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*/
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uint16_t lineHeight = 0; memcpy(&lineHeight, pData, 2);
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_commonHeight = lineHeight;
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uint16_t scaleW = 0; memcpy(&scaleW, pData + 4, 2);
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uint16_t scaleH = 0; memcpy(&scaleH, pData + 6, 2);
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CCASSERT(scaleW <= Configuration::getInstance()->getMaxTextureSize() && scaleH <= Configuration::getInstance()->getMaxTextureSize(), "CCLabelBMFont: page can't be larger than supported");
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uint16_t pages = 0; memcpy(&pages, pData + 8, 2);
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CCASSERT(pages == 1, "CCBitfontAtlas: only supports 1 page");
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}
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else if (blockId == 3)
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{
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/*
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pageNames p*(n+1) strings 0 p null terminated strings, each with length n
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*/
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const char *value = (const char *)pData;
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size_t len = strlen(value);
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CCASSERT(len < blockSize, "Block size should be less then string");
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_atlasName = FileUtils::getInstance()->fullPathFromRelativeFile(value, controlFile);
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}
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else if (blockId == 4)
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{
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/*
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id 4 uint 0+c*20 These fields are repeated until all characters have been described
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x 2 uint 4+c*20
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y 2 uint 6+c*20
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width 2 uint 8+c*20
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height 2 uint 10+c*20
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xoffset 2 int 12+c*20
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yoffset 2 int 14+c*20
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xadvance 2 int 16+c*20
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page 1 uint 18+c*20
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chnl 1 uint 19+c*20
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*/
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unsigned long count = blockSize / 20;
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for (unsigned long i = 0; i < count; i++)
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{
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tFontDefHashElement* element = (tFontDefHashElement*)malloc( sizeof(*element) );
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uint32_t charId = 0; memcpy(&charId, pData + (i * 20), 4);
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element->fontDef.charID = charId;
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uint16_t charX = 0; memcpy(&charX, pData + (i * 20) + 4, 2);
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element->fontDef.rect.origin.x = charX;
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uint16_t charY = 0; memcpy(&charY, pData + (i * 20) + 6, 2);
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element->fontDef.rect.origin.y = charY;
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uint16_t charWidth = 0; memcpy(&charWidth, pData + (i * 20) + 8, 2);
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element->fontDef.rect.size.width = charWidth;
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uint16_t charHeight = 0; memcpy(&charHeight, pData + (i * 20) + 10, 2);
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element->fontDef.rect.size.height = charHeight;
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int16_t xoffset = 0; memcpy(&xoffset, pData + (i * 20) + 12, 2);
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element->fontDef.xOffset = xoffset;
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int16_t yoffset = 0; memcpy(&yoffset, pData + (i * 20) + 14, 2);
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element->fontDef.yOffset = yoffset;
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int16_t xadvance = 0; memcpy(&xadvance, pData + (i * 20) + 16, 2);
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element->fontDef.xAdvance = xadvance;
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element->key = element->fontDef.charID;
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HASH_ADD_INT(_fontDefDictionary, key, element);
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validCharsString->insert(element->fontDef.charID);
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}
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}
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else if (blockId == 5) {
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/*
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first 4 uint 0+c*10 These fields are repeated until all kerning pairs have been described
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second 4 uint 4+c*10
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amount 2 int 8+c*10
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*/
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unsigned long count = blockSize / 20;
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for (unsigned long i = 0; i < count; i++)
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{
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uint32_t first = 0; memcpy(&first, pData + (i * 10), 4);
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uint32_t second = 0; memcpy(&second, pData + (i * 10) + 4, 4);
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int16_t amount = 0; memcpy(&amount, pData + (i * 10) + 8, 2);
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tKerningHashElement *element = (tKerningHashElement *)calloc( sizeof( *element ), 1 );
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element->amount = amount;
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element->key = (first<<16) | (second&0xffff);
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HASH_ADD_INT(_kerningDictionary,key, element);
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}
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}
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pData += blockSize; remains -= blockSize;
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}
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return validCharsString;
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}
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void CCBMFontConfiguration::parseImageFileName(std::string line, const std::string& fntFile)
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{
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//////////////////////////////////////////////////////////////////////////
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@ -151,6 +151,7 @@ public:
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std::set<unsigned int>* getCharacterSet() const;
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private:
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std::set<unsigned int>* parseConfigFile(const std::string& controlFile);
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std::set<unsigned int>* parseBinaryConfigFile(unsigned char* pData, unsigned long size, const std::string& controlFile);
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void parseCharacterDefinition(std::string line, ccBMFontDef *characterDefinition);
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void parseInfoArguments(std::string line);
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void parseCommonArguments(std::string line);
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@ -74,6 +74,7 @@ static std::function<Layer*()> createFunctions[] =
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// should be moved to another test
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CL(Atlas1),
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CL(LabelBMFontCrashTest),
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CL(LabelBMFontBinaryFormat),
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};
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#define MAX_LAYER (sizeof(createFunctions) / sizeof(createFunctions[0]))
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@ -1669,3 +1670,26 @@ std::string LabelBMFontCrashTest::subtitle() const
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{
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return "Should not crash.";
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}
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// LabelBMFontBinaryFormat
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LabelBMFontBinaryFormat::LabelBMFontBinaryFormat()
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{
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auto s = Director::getInstance()->getWinSize();
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auto bmFont = LabelBMFont::create();
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bmFont->setFntFile("fonts/Roboto.bmf.fnt");
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bmFont->setString("It is working!");
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this->addChild(bmFont);
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bmFont->setPosition(Point(s.width/2,s.height/4*2));
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}
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std::string LabelBMFontBinaryFormat::title() const
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{
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return "LabelBMFont Binary FNT File";
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}
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std::string LabelBMFontBinaryFormat::subtitle() const
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{
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return "This label uses font file in AngelCode binary format";
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}
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@ -429,6 +429,17 @@ public:
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virtual std::string subtitle() const override;
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};
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class LabelBMFontBinaryFormat : public AtlasDemo
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{
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public:
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CREATE_FUNC(LabelBMFontBinaryFormat);
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LabelBMFontBinaryFormat();
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virtual std::string title() const override;
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virtual std::string subtitle() const override;
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};
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// we don't support linebreak mode
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