本文整理汇总了C++中DImage::convertedImgType方法的典型用法代码示例。如果您正苦于以下问题：C++ DImage::convertedImgType方法的具体用法？C++ DImage::convertedImgType怎么用？C++ DImage::convertedImgType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DImage的用法示例。
在下文中一共展示了DImage::convertedImgType方法的2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: getTextlineRects
//.........这里部分代码省略.........
sumWeights += numPxls;
}
printf(" sumPxls=%f sumWeights=%f\n",sumPxls, sumWeights);
if(sumWeights > 0)
sumPxls /= sumWeights;
else
sumPxls = 0;
printf(" weighted avg number of pixels per line:%f\n",sumPxls);
pxlThresh = sumPxls/10;
printf(" pixel threshold=%ld\n",pxlThresh);
//now get rid of lines with few pixels
for(int p=(*numTextlines)-1; p >=0; --p){
if(rgNumPixels[p] < pxlThresh){// one-twentieth of weighted avg
printf(" remove textline %d (y=%d to y=%d) with %ld pixels\n",p,
(*rgTextlineRects)[p].y,(*rgTextlineRects)[p].y+
(*rgTextlineRects)[p].h, rgNumPixels[p]);
for(int r=p; r < ((*numTextlines)-1); ++r){
(*rgTextlineRects)[r] = (*rgTextlineRects)[r+1];
}
--(*numTextlines);
}
}
free(rgNumPixels);
}
printf(" There are now %d textlines\n", (*numTextlines));
//debug: save an image with the textline rectangles drawn
{
DImage imgTextlines;
imgTextlines = img.convertedImgType(DImage::DImage_RGB);
for(int p = 0; p < (*numTextlines); ++p){
int colorR, colorG, colorB;
printf("\trect%d: x,y wxh=%d,%d %dx%d\n",p,(*rgTextlineRects)[p].x,
(*rgTextlineRects)[p].y,
(*rgTextlineRects)[p].w,(*rgTextlineRects)[p].h);
colorR = ((p+1)*127) % 255;
colorG = (p*127) % 255;
colorB = (p) % 255;
imgTextlines.drawRect((*rgTextlineRects)[p].x,(*rgTextlineRects)[p].y,
(*rgTextlineRects)[p].x+(*rgTextlineRects)[p].w-1,
(*rgTextlineRects)[p].y+(*rgTextlineRects)[p].h,
colorR, colorG, colorB);
imgTextlines.drawRect((*rgTextlineRects)[p].x+1,(*rgTextlineRects)[p].y+1,
(*rgTextlineRects)[p].x+(*rgTextlineRects)[p].w-1-1,
(*rgTextlineRects)[p].y+(*rgTextlineRects)[p].h-1,
colorR, colorG, colorB);
imgTextlines.drawRect((*rgTextlineRects)[p].x+2,(*rgTextlineRects)[p].y+2,
(*rgTextlineRects)[p].x+(*rgTextlineRects)[p].w-1-2,
(*rgTextlineRects)[p].y+(*rgTextlineRects)[p].h-2,
colorR, colorG, colorB);
}
sprintf(stTmp,"%s_tl_rects.pgm",stDebugBaseName);
imgTextlines.save(stTmp);
}
// // now get x-height estimate using profiles (or black runlengths of smears)
// #if 0示例2: if
//.........这里部分代码省略.........
fLead = -1;
}
}
else{
if(pdbl[y] > peaksThresh)
fLead = y;
}
}
if(numPeaks >= bestNumPeaks){
bestNumPeaks = numPeaks;
bestNumPeaksThresh = peaksThresh;
}
}
rgSmearThresh[i] = bestNumPeaksThresh;
#endif
}
// now get x-height estimate using profiles (or black runlengths of smears)
//debug: save an image with all of the profiles
{
DImage imgProfsAll;
DImage imgProfsRLAll;
imgProfsAll.create(w,h,DImage::DImage_u8);
stripW = (w + numStrips-1) / numStrips;
for(int i=0; i < numStrips*2-1; ++i){
DImage imgTmp;
imgTmp = rgProfs[i].toDImage(stripW/2,true);
imgProfsAll.pasteFromImage(i*stripW/2,0,imgTmp,0,0,stripW/2,h);
}
imgProfsAll = imgProfsAll.convertedImgType(DImage::DImage_RGB);
for(int i=0; i < numStrips*2-1; ++i){
int peakLineOffs;
// peakLineOffs = stripW/2 * rgPeakThresh[i] / rgProfs[i].max();
peakLineOffs = (int)(rgPeakLineOffs[i]*stripW/2);
// printf(" rgPeakLineOffs[%d]=%lf peakLineOffs=%d\n",i,rgPeakLineOffs[i],
// peakLineOffs);
imgProfsAll.drawLine(i*stripW/2 + peakLineOffs+1, 0,
i*stripW/2 + peakLineOffs+1, h-1, 255-i,0,0);
imgProfsAll.drawLine(i*stripW/2 + peakLineOffs, 0,
i*stripW/2 + peakLineOffs, h-1, 255-i,0,0);
imgProfsAll.drawLine(i*stripW/2, 0,
i*stripW/2, h-1, 0, 255-i,0);
}
sprintf(stTmp,"%s_allprofs.pgm",stDebugBaseName);
imgProfsAll.save(stTmp);
}
//debug: save an image with all of the smeared profiles
{
DImage imgProfsAll;
DImage imgProfsRLAll;
imgProfsAll.create(w,h,DImage::DImage_u8);
stripW = (w + numStrips-1) / numStrips;
for(int i=0; i < numStrips*2-1; ++i){
DImage imgTmp;
imgTmp = rgProfsSmear[i].toDImage(stripW/2,true);
imgProfsAll.pasteFromImage(i*stripW/2,0,imgTmp,0,0,stripW/2,h);
}
imgProfsAll = imgProfsAll.convertedImgType(DImage::DImage_RGB);
for(int i=0; i < numStrips*2-1; ++i){