本文整理汇总了C++中Scanner::reset方法的典型用法代码示例。如果您正苦于以下问题：C++ Scanner::reset方法的具体用法？C++ Scanner::reset怎么用？C++ Scanner::reset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Scanner的用法示例。
在下文中一共展示了Scanner::reset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: scan_image
void scan_image (const char *filename)
{
scanner.reset();
// normally scanner would reset associated decoder,
// but this debug program connects them manually
// (to make intermediate state more readily available)
// so decoder must also be reset manually
decoder.reset();
Magick::Image image;
image.read(filename);
string file = image.baseFilename();
size_t baseidx = file.rfind('/');
if(baseidx != string::npos)
file = file.substr(baseidx + 1, file.length() - baseidx - 1);
ofstream svg((file + ".svg").c_str());
unsigned inwidth = image.columns();
unsigned flush1 = inwidth / 32;
unsigned flush0 = 2;
unsigned width = inwidth + flush1 + flush0;
unsigned height = image.rows();
unsigned midy = (height + 1) / 2 + 2;
image.crop(Magick::Geometry(inwidth, 1, 0, midy));
image.size(Magick::Geometry(width, 1, 0, 0));
svg << "<?xml version='1.0'?>" << endl
<< "<!DOCTYPE svg PUBLIC '-//W3C//DTD SVG 1.1//EN'"
<< " 'http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd'>" << endl
<< "<svg version='1.1' id='top'"
<< " width='10in' height='6in' preserveAspectRatio='xMinYMid slice'"
<< " overflow='visible' viewBox='0,0 " << width * 2 << ",384'"
<< " xmlns:xlink='http://www.w3.org/1999/xlink'"
<< " xmlns='http://www.w3.org/2000/svg'>" << endl
<< "<defs><style type='text/css'><![CDATA[" << endl
<< " * { stroke-linejoin: round; stroke-linecap: round;"
<< " stroke-width: .1; text-anchor: middle;"
<< " image-rendering: optimizeSpeed;"
<< " font-size: 6; font-weight: bold }" << endl
<< " path { fill: none }" << endl
<< " #zero { stroke: #00f }" << endl
<< " #edges { stroke: #f00 }" << endl
<< " #cur-edge { stroke: #f44 }" << endl
<< " #raw { stroke: orange }" << endl
<< " #y0 { stroke: yellow }" << endl
<< " #y1 { stroke: #0c0 }" << endl
<< " #y2 { stroke: #0aa }" << endl
<< " .y1thr { stroke: #f0f }" << endl
<< " rect.bar { fill: black }" << endl
<< " text.bar { fill: white }" << endl
<< " rect.space { fill: white }" << endl
<< " text.space { fill: black }" << endl
<< " text.data { fill: #44f; font-size: 16 }" << endl
<< "]]></style></defs>" << endl
<< "<image width='" << width * 2 << "' height='384'"
<< " preserveAspectRatio='none'"
<< " xlink:href='" << file << ".png'/>" << endl
<< "<g transform='translate(1,384) scale(2,-.5)'>" << endl;
// brute force
unsigned raw[width];
{
// extract scan from image pixels
image.modifyImage();
Magick::Pixels view(image);
Magick::PixelPacket *pxp = view.get(0, 0, width, 1);
Magick::ColorYUV y;
double max = 0;
svg << "<path id='raw' d='M";
unsigned i;
for(i = 0; i < inwidth; i++, pxp++) {
y = *pxp;
if(max < y.y())
max = y.y();
raw[i] = (unsigned)(y.y() * 0x100);
svg << ((i != 1) ? " " : " L ") << i << "," << raw[i];
y.u(0);
y.v(0);
*pxp = y;
}
y.y(max); /* flush scan FIXME? */
for(; i < inwidth + flush1; i++) {
raw[i] = (unsigned)(y.y() * 0x100);
svg << " " << i << "," << raw[i];
*pxp++ = y;
}
y.y(0);
for(; i < width; i++) {
raw[i] = (unsigned)(y.y() * 0x100);
svg << " " << i << "," << raw[i];
*pxp++ = y;
}
view.sync();
svg << "'/>" << endl
<< "</g>" << endl;
}
image.depth(8);
image.write(file + ".png");
// process scan and capture calculated values
//.........这里部分代码省略.........