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// Testing Bitmap
#include <config.h>
#include <iostream>
#include <DviFile.h>
#include <PkFont.h>
#include <Bitmap.h>
#if HAVE_CSTD_INCLUDE
#include <cstdlib>
#else
#include <stdlib.h>
#endif
using STD::cerr;
using STD::cout;
using STD::exit;
using STD::endl;
#define CHECKNEXTFONT(iter,checkname) \
if (iter == fs->end()) { \
cerr << "Unexpected end of list: expected " \
<< checkname << ", but got nothing" \
<< endl; \
nfails++; \
} else { \
f = *iter; \
if (f->name() != checkname) { \
cerr << "Unexpected font: was " << f->name() \
<< ", expected " << checkname << endl; \
nfails++; \
} \
} \
if (iter != fs->end()) \
++iter;
#define CHECKBB(context,bb0,bb1,bb2,bb3) \
{ \
int exp[] = {bb0,bb1,bb2,bb3}; \
for (int ti=0; ti<4; ti++) \
if (bb[ti] != exp[ti]) { \
cerr << context \
<< ": unexpected value of bb[" << ti << "]: expected " \
<< exp[ti] << ", got " << bb[ti] << endl; \
nfails++; \
} \
}
#define CHECKINT(context,expected,actual) \
if ((expected) != (actual)) { \
cerr << context << ": expected " << (expected) \
<< ", got " << (actual) << endl; \
nfails++; \
}
#define NBITMAPROWS 10
#define NBITMAPCOLS 20
// Note that bitmap coordinates have (0,0) at the top left, so
// this result picture, and the F[] array below, are both right way up
const char *picture[NBITMAPROWS] = {
" **",
" **",
" ***** **",
" * * ",
" * * ********** ",
" ********** ",
" ",
" ",
" ",
"*** ",
};
const char *picturePostCrop[NBITMAPROWS] = {
" **",
" **",
" ***** **",
" * * ",
" * * ********** ",
" ********** ",
};
const char *pictureLarge[2*NBITMAPROWS] = {
" ",
" ",
" ***** ***** ",
" * * * * ",
" * * ********** * * **",
" ********** * ",
" * ",
" ",
" ",
"*** ",
"*** ",
"*** ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
};
const char *pictureSmall[20] = {
" ",
" ",
" ",
" ",
" ***** ",
" ***** ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
" ",
};
const char *pictureSmallCrop[4] = {
" ",
" ***** ",
" ***** ",
" ",
};
const char *pictureSmallCropStrut[] = {
" *****",
" *****",
" ",
" ",
" ",
};
const Byte F[] = { 1,1,1,1,1,
1,0,1,0,0,
1,0,1,0,0, };
int nfails = 0;
void compareBitmaps(Bitmap *testB, const char **picture,
const int ncols, const int nrows,
bool showActual=false)
{
Byte *row;
int rown = 0;
if (showActual) {
for (Bitmap::const_iterator bi = testB->begin();
bi != testB->end();
++bi) {
row = *bi;
for (int i=0; i<ncols; i++)
cerr << (row[i] ? '*' : ' ');
cerr << endl;
}
}
for (Bitmap::const_iterator bi = testB->begin();
bi != testB->end();
++bi) {
if (rown >= nrows) {
cerr << "Oooops, we've received more bitmap rows than we should"
<< endl;
nfails++;
} else {
row = *bi;
for (int i=0; i<ncols; i++) {
if ((row[i] != 0) != (picture[rown][i] != ' ')) {
cerr << "Row " << rown << ": expected" << endl
<< " <" << picture[rown] << ">, got" << endl
<< " <";
for (int j=0; j<ncols; j++)
cerr << (row[j] ? '*' : ' ');
cerr << ">" << endl;
nfails++;
break;
}
}
}
rown++;
}
if (rown != nrows) {
cerr << "At end of iterator, should have " << nrows << " rows, have "
<< rown << " instead" << endl;
nfails++;
}
}
int main (int argc, char** argv)
{
try {
string arg;
if (argc > 1)
arg = argv[1];
else
arg = "t5.dvi";
//DviFile *dvif = new DviFile(argc > 1 ? argv[1] : "t5.dvi",
DviFile *dvif = new DviFile(arg,
PkFont::dpiBase(), // resolution
1.0, // overall magnification
true); // read postamble
const DviFile::FontSet* fs = dvif->getFontSet();
DviFile::FontSet::const_iterator dvii = fs->begin();
const PkFont* f;
CHECKNEXTFONT(dvii,"cmr10");
CHECKNEXTFONT(dvii,"cmcsc10");
if (dvii != fs->end()) {
f = *dvii;
cerr << "Expected end of list, but got font "
<< f->name() << " instead" << endl;
nfails++;
}
//Bitmap::verbosity(debug);
int bw = NBITMAPCOLS;
int bh = NBITMAPROWS;
Bitmap *b = new Bitmap(bw, bh, 1, false);
b->rule(5, 5, 10, 2);
b->rule(-2, 11, 5, 3); // partly off the bitmap, to bottom-left
b->rule(18, 2, 5, 3); // ...to top-right
b->rule(-5, 0, 2, 2); // completely off, to left
b->rule(21, 5, 2, 2); // ...to right
b->paint(1, 2, 5, 3, F);
int* bb;
b->freeze();
bb = b->boundingBox();
CHECKBB("picture", 0, 0, NBITMAPCOLS, NBITMAPROWS);
// cerr << "BB: L=" << bb[0] << " T=" << bb[1]
// << " R=" << bb[2] << " B=" << bb[3]
// << endl;
compareBitmaps(b, picture, bw, bh);
// Now crop
b->crop(Bitmap::Left, 2);
b->crop(Bitmap::Bottom, 6, true);
b->crop();
bb = b->boundingBox();
CHECKBB("postcrop", 0, 0, NBITMAPCOLS, 6);
compareBitmaps(b, picturePostCrop, bw, 6);
// cerr << "BB: L=" << bb[0] << " T=" << bb[1]
// << " R=" << bb[2] << " B=" << bb[3]
// << endl;
// for (Bitmap::iterator bi = b->begin();
// bi != b->end();
// ++bi) {
// Byte* row = *bi;
// for (int i=0; i<bw; i++)
// cerr << (row[i] ? '*' : ' ');
// cerr << endl;
// }
delete b;
b = new Bitmap(bw, bh, 1, true, 2*bw);
b->rule(5, 5, 10, 2);
b->paint(1, 2, 5, 3, F); // no need for expansion
b->paint(32, 2, 5, 3, F); // bitmap needs to expand
b->paint(38, 4, 5, 3, F); // ...but not by this much
b->rule(-2, 11, 5, 3); // expand in y direction
b->freeze();
bb = b->boundingBox();
CHECKBB("large", 0, 2, 40, 12);
compareBitmaps(b, pictureLarge, 40, 15);
b->clear();
b->rule(3,5,5,2);
b->freeze();
bb = b->boundingBox();
CHECKBB("small", 3, 4, 8, 6);
CHECKINT("bb[2]-bb[0]", 5, bb[2]-bb[0]);
CHECKINT("bb[3]-bb[1]", 2, bb[3]-bb[1]);
compareBitmaps(b, pictureSmall, 20, 15);
// bitmap still expanded size, 15
b->crop(Bitmap::All, 1);
b->crop();
bb = b->boundingBox();
CHECKBB("smallcrop", 2, 3, 9, 7);
CHECKINT("bb[2]-bb[0]", 7, bb[2]-bb[0]);
CHECKINT("bb[3]-bb[1]", 4, bb[3]-bb[1]);
compareBitmaps(b, pictureSmallCrop, bb[2]-bb[0], bb[3]-bb[1]);
// same picture -- `small' -- but this time with a strut
b->clear();
b->strut(3,5,0,5,2,0);
bb = b->boundingBox();
CHECKBB("smallStrut1", 3, 4, 8, 6); // same bb as rule(3,5,5,2)
b->rule(3,5,5,2);
bb = b->boundingBox();
CHECKBB("smallStrut2", 3, 4, 8, 6); // unchanged
b->strut(4,4,3,0,1,3);
b->freeze();
bb = b->boundingBox();
CHECKBB("smallStrut3", 1, 4, 8, 8);
CHECKINT("bb[2]-bb[0]", 7, bb[2]-bb[0]);
CHECKINT("bb[3]-bb[1]", 4, bb[3]-bb[1]);
compareBitmaps(b, pictureSmall, 20, 15);
b->crop();
bb = b->boundingBox();
CHECKBB("smallStrutCrop", 1, 4, 8, 8);
CHECKINT("bb[2]-bb[0]", 7, bb[2]-bb[0]);
CHECKINT("bb[3]-bb[1]", 4, bb[3]-bb[1]);
compareBitmaps(b, pictureSmallCropStrut, bb[2]-bb[0], bb[3]-bb[1]);
} catch (DviError& e) {
cerr << "Caught DviError: " << e.problem() << endl;
}
exit (nfails);
}
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