// gnereate a list of blocks describing the characters
private void generateCharacterDescriptorBlockList(FontInfo fontInfo, ref ArrayList characterBlockList)
{
char currentCharacter, previousCharacter = '\0';
// initialize first block
CharacterDescriptorArrayBlock characterBlock = null;
// get the difference between two characters required to create a new group
int differenceBetweenCharsForNewGroup = m_outputConfig.generateLookupBlocks ?
m_outputConfig.lookupBlocksNewAfterCharCount : int.MaxValue;
// iterate over characters, saving previous character each time
for (int charIndex = 0;
charIndex < fontInfo.characters.Length;
++charIndex)
{
// get character
currentCharacter = fontInfo.characters[charIndex].character;
// check if this character is too far from the previous character and it isn't the first char
if (currentCharacter - previousCharacter < differenceBetweenCharsForNewGroup && previousCharacter != '\0')
{
// it may not be far enough to generate a new group but it still may be non-sequential
// in this case we need to generate place holders
/* for (char sequentialCharIndex = (char)(previousCharacter + 1);
sequentialCharIndex < currentCharacter;
++sequentialCharIndex)
{
// add the character placeholder to the current char block
charDescArrayAddCharacter(characterBlock, fontInfo, sequentialCharIndex, 0, 0, 0);
}*/
// fall through and add to current block
}
else
{
// done with current block, add to list (null is for first character which hasn't
// created a group yet)
if (characterBlock != null) characterBlockList.Add(characterBlock);
// create new block
characterBlock = new CharacterDescriptorArrayBlock();
characterBlock.characters = new ArrayList();
}
// add to current block
charDescArrayAddCharacter(characterBlock, fontInfo, currentCharacter,
fontInfo.characters[charIndex].width,
fontInfo.characters[charIndex].height,
fontInfo.characters[charIndex].offsetInBytes);
// save previous char
previousCharacter = currentCharacter;
}
// done; add current block to list
characterBlockList.Add(characterBlock);
}
// add a character to teh current char descriptor array
private void charDescArrayAddCharacter(CharacterDescriptorArrayBlock desciptorBlock,
FontInfo fontInfo,
char character,
int width, int height, int offset)
{
// create character descriptor
CharacterDescriptorArrayBlock.Character charDescriptor = new CharacterDescriptorArrayBlock.Character();
charDescriptor.character = character;
charDescriptor.font = fontInfo;
charDescriptor.height = height;
charDescriptor.width = width;
charDescriptor.offset = offset;
// shove this character to the descriptor block
desciptorBlock.characters.Add(charDescriptor);
}
