本文整理汇总了C++中FileStream::read_uint16方法的典型用法代码示例。如果您正苦于以下问题：C++ FileStream::read_uint16方法的具体用法？C++ FileStream::read_uint16怎么用？C++ FileStream::read_uint16使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类FileStream的用法示例。
在下文中一共展示了FileStream::read_uint16方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: textureWidth
FTTextureFont::FTTextureFont(FileStream & stream)
: textureWidth(0), textureHeight(0), xOffset(0), yOffset(0), padding(3)
{
glyphList = new FTGlyphContainer(this);
size = stream.read_uint16();
flags = stream.read_uint16();
width = stream.read_float();
height = stream.read_float();
ascender = stream.read_float();
descender = stream.read_float();
numGlyphs = stream.read_int32();
glyphHeight = std::max(1, int(height + 0.5f));
glyphWidth = std::max(1, int(width + 0.5f));
int tex_size = 1024;
// Texture width required for numGlyphs glyphs. Will probably not be
// large enough, but we try to fit as many glyphs in one line as possible
textureWidth = ClampSize(glyphWidth * numGlyphs + padding * 2,
tex_size);
// Number of lines required for that many glyphs in a line
int tmp = (textureWidth - (padding * 2)) / glyphWidth;
tmp = tmp > 0 ? tmp : 1;
tmp = (numGlyphs + (tmp - 1)) / tmp; // round division up
// Texture height required for tmp lines of glyphs
textureHeight = ClampSize(glyphHeight * tmp + padding * 2,
tex_size);
char * data = new char[textureWidth*textureHeight]();
xOffset = yOffset = padding;
for (int i = 0; i < numGlyphs; i++) {
FTGlyph * glyph = new FTGlyph(stream, data, xOffset, yOffset,
textureWidth, textureHeight);
glyphList->Add(glyph, glyph->charcode);
if (xOffset > (textureWidth - glyphWidth)) {
xOffset = padding;
yOffset += glyphHeight;
if (yOffset > (textureHeight - glyphHeight)) {
std::cout << "Cannot fit glyphs in texture!" << std::endl;
break;
}
}
xOffset += int(glyph->BBox().Upper().X() -
glyph->BBox().Lower().X() + padding + 0.5);
}
tex = Render::create_tex(data, Render::L, textureWidth, textureHeight);
Render::set_filter(tex, true);
GlyphVector::iterator it;
for (it = glyphList->glyphs.begin(); it != glyphList->glyphs.end(); ++it) {
FTGlyph * glyph = *it;
if (glyph == NULL)
continue;
glyph->tex = tex;
}
delete[] data;
}