main(int argc,
char **argv)
{
PIX *pixs;
l_int32 d;
static char mainName[] = "scaletest2";
if (argc != 2)
return ERROR_INT(" Syntax: scaletest2 filein", mainName, 1);
if ((pixs = pixRead(argv[1])) == NULL)
return ERROR_INT("pixs not made", mainName, 1);
d = pixGetDepth(pixs);
#if 1
/* Integer scale-to-gray functions */
if (d == 1)
{
PIX *pixd;
pixd = pixScaleToGray2(pixs);
pixWrite("/tmp/s2g_2x", pixd, IFF_PNG);
pixDestroy(&pixd);
pixd = pixScaleToGray3(pixs);
pixWrite("/tmp/s2g_3x", pixd, IFF_PNG);
pixDestroy(&pixd);
pixd = pixScaleToGray4(pixs);
pixWrite("/tmp/s2g_4x", pixd, IFF_PNG);
pixDestroy(&pixd);
pixd = pixScaleToGray6(pixs);
pixWrite("/tmp/s2g_6x", pixd, IFF_PNG);
pixDestroy(&pixd);
pixd = pixScaleToGray8(pixs);
pixWrite("/tmp/s2g_8x", pixd, IFF_PNG);
pixDestroy(&pixd);
pixd = pixScaleToGray16(pixs);
pixWrite("/tmp/s2g_16x", pixd, IFF_PNG);
pixDestroy(&pixd);
}
#endif
#if 1
/* Various non-integer scale-to-gray, compared with
* with different ways of getting similar results */
if (d == 1)
{
PIX *pixt, *pixd;
pixd = pixScaleToGray8(pixs);
pixWrite("/tmp/s2g_8.png", pixd, IFF_PNG);
pixDestroy(&pixd);
pixd = pixScaleToGray(pixs, 0.124);
pixWrite("/tmp/s2g_124.png", pixd, IFF_PNG);
pixDestroy(&pixd);
pixd = pixScaleToGray(pixs, 0.284);
pixWrite("/tmp/s2g_284.png", pixd, IFF_PNG);
pixDestroy(&pixd);
pixt = pixScaleToGray4(pixs);
pixd = pixScaleBySampling(pixt, 284./250., 284./250.);
pixWrite("/tmp/s2g_284.2.png", pixd, IFF_PNG);
pixDestroy(&pixt);
pixDestroy(&pixd);
pixt = pixScaleToGray4(pixs);
pixd = pixScaleGrayLI(pixt, 284./250., 284./250.);
pixWrite("/tmp/s2g_284.3.png", pixd, IFF_PNG);
pixDestroy(&pixt);
pixDestroy(&pixd);
pixt = pixScaleBinary(pixs, 284./250., 284./250.);
pixd = pixScaleToGray4(pixt);
pixWrite("/tmp/s2g_284.4.png", pixd, IFF_PNG);
pixDestroy(&pixt);
pixDestroy(&pixd);
pixt = pixScaleToGray4(pixs);
pixd = pixScaleGrayLI(pixt, 0.49, 0.49);
pixWrite("/tmp/s2g_42.png", pixd, IFF_PNG);
pixDestroy(&pixt);
pixDestroy(&pixd);
pixt = pixScaleToGray4(pixs);
pixd = pixScaleSmooth(pixt, 0.49, 0.49);
pixWrite("/tmp/s2g_4sm.png", pixd, IFF_PNG);
pixDestroy(&pixt);
pixDestroy(&pixd);
pixt = pixScaleBinary(pixs, .16/.125, .16/.125);
pixd = pixScaleToGray8(pixt);
pixWrite("/tmp/s2g_16.png", pixd, IFF_PNG);
pixDestroy(&pixt);
pixDestroy(&pixd);
pixd = pixScaleToGray(pixs, .16);
pixWrite("/tmp/s2g_16.2.png", pixd, IFF_PNG);
pixDestroy(&pixd);
}
#endif
#if 1
/* Antialiased (smoothed) reduction, along with sharpening */
if (d != 1)
{
PIX *pixt1, *pixt2;
startTimer();
pixt1 = pixScaleSmooth(pixs, 0.154, 0.154);
fprintf(stderr, "fast scale: %5.3f sec\n", stopTimer());
pixDisplayWithTitle(pixt1, 0, 0, "smooth scaling", DISPLAY);
pixWrite("/tmp/smooth1.png", pixt1, IFF_PNG);
pixt2 = pixUnsharpMasking(pixt1, 1, 0.3);
pixWrite("/tmp/smooth2.png", pixt2, IFF_PNG);
pixDisplayWithTitle(pixt2, 200, 0, "sharp scaling", DISPLAY);
pixDestroy(&pixt1);
pixDestroy(&pixt2);
}
#endif
#if 1
/* Test a large range of scale-to-gray reductions */
if (d == 1)
{
l_int32 i;
l_float32 scale;
PIX *pixd;
for (i = 2; i < 15; i++) {
scale = 1. / (l_float32)i;
startTimer();
pixd = pixScaleToGray(pixs, scale);
fprintf(stderr, "Time for scale %7.3f: %7.3f sec\n",
scale, stopTimer());
pixDisplayWithTitle(pixd, 75 * i, 100, "scaletogray", DISPLAY);
pixDestroy(&pixd);
}
for (i = 8; i < 14; i++) {
scale = 1. / (l_float32)(2 * i);
startTimer();
pixd = pixScaleToGray(pixs, scale);
fprintf(stderr, "Time for scale %7.3f: %7.3f sec\n",
scale, stopTimer());
pixDisplayWithTitle(pixd, 100 * i, 600, "scaletogray", DISPLAY);
pixDestroy(&pixd);
}
}
#endif
#if 1
/* Test the same range of scale-to-gray mipmap reductions */
if (d == 1)
{
l_int32 i;
l_float32 scale;
PIX *pixd;
for (i = 2; i < 15; i++) {
scale = 1. / (l_float32)i;
startTimer();
pixd = pixScaleToGrayMipmap(pixs, scale);
fprintf(stderr, "Time for scale %7.3f: %7.3f sec\n",
scale, stopTimer());
pixDisplayWithTitle(pixd, 75 * i, 100, "scale mipmap", DISPLAY);
pixDestroy(&pixd);
}
for (i = 8; i < 12; i++) {
scale = 1. / (l_float32)(2 * i);
startTimer();
pixd = pixScaleToGrayMipmap(pixs, scale);
fprintf(stderr, "Time for scale %7.3f: %7.3f sec\n",
scale, stopTimer());
pixDisplayWithTitle(pixd, 100 * i, 600, "scale mipmap", DISPLAY);
pixDestroy(&pixd);
}
}
#endif
#if 1
/* Test several methods for antialiased reduction,
* along with sharpening */
if (d != 1)
{
PIX *pixt1, *pixt2, *pixt3, *pixt4, *pixt5, *pixt6, *pixt7;
l_float32 SCALING = 0.27;
l_int32 SIZE = 7;
l_int32 smooth;
l_float32 FRACT = 1.0;
smooth = SIZE / 2;
startTimer();
pixt1 = pixScaleSmooth(pixs, SCALING, SCALING);
fprintf(stderr, "fast scale: %5.3f sec\n", stopTimer());
pixDisplayWithTitle(pixt1, 0, 0, "smooth scaling", DISPLAY);
pixWrite("/tmp/sm_1.png", pixt1, IFF_PNG);
pixt2 = pixUnsharpMasking(pixt1, 1, 0.3);
pixDisplayWithTitle(pixt2, 150, 0, "sharpened scaling", DISPLAY);
startTimer();
pixt3 = pixBlockconv(pixs, smooth, smooth);
pixt4 = pixScaleBySampling(pixt3, SCALING, SCALING);
fprintf(stderr, "slow scale: %5.3f sec\n", stopTimer());
pixDisplayWithTitle(pixt4, 200, 200, "sampled scaling", DISPLAY);
pixWrite("/tmp/sm_2.png", pixt4, IFF_PNG);
startTimer();
pixt5 = pixUnsharpMasking(pixs, smooth, FRACT);
pixt6 = pixBlockconv(pixt5, smooth, smooth);
pixt7 = pixScaleBySampling(pixt6, SCALING, SCALING);
fprintf(stderr, "very slow scale + sharp: %5.3f sec\n", stopTimer());
pixDisplayWithTitle(pixt7, 500, 200, "sampled scaling", DISPLAY);
pixWrite("/tmp/sm_3.jpg", pixt7, IFF_JFIF_JPEG);
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixDestroy(&pixt3);
pixDestroy(&pixt4);
pixDestroy(&pixt5);
pixDestroy(&pixt6);
pixDestroy(&pixt7);
}
#endif
#if 1
/* Test the color scaling function, comparing the
* special case of scaling factor 2.0 with the
* general case. */
if (d == 32)
{
PIX *pix1, *pix2, *pixd;
NUMA *nar, *nag, *nab, *naseq;
GPLOT *gplot;
startTimer();
pix1 = pixScaleColorLI(pixs, 2.00001, 2.0);
fprintf(stderr, " Time with regular LI: %7.3f\n", stopTimer());
pixWrite("/tmp/color1.jpg", pix1, IFF_JFIF_JPEG);
startTimer();
pix2 = pixScaleColorLI(pixs, 2.0, 2.0);
fprintf(stderr, " Time with 2x LI: %7.3f\n", stopTimer());
pixWrite("/tmp/color2.jpg", pix2, IFF_JFIF_JPEG);
pixd = pixAbsDifference(pix1, pix2);
pixGetColorHistogram(pixd, 1, &nar, &nag, &nab);
naseq = numaMakeSequence(0., 1., 256);
gplot = gplotCreate("/tmp/plot_absdiff", GPLOT_X11, "Number vs diff",
"diff", "number");
gplotSetScaling(gplot, GPLOT_LOG_SCALE_Y);
gplotAddPlot(gplot, naseq, nar, GPLOT_POINTS, "red");
gplotAddPlot(gplot, naseq, nag, GPLOT_POINTS, "green");
gplotAddPlot(gplot, naseq, nab, GPLOT_POINTS, "blue");
gplotMakeOutput(gplot);
pixDestroy(&pix1);
pixDestroy(&pix2);
pixDestroy(&pixd);
numaDestroy(&naseq);
numaDestroy(&nar);
numaDestroy(&nag);
numaDestroy(&nab);
gplotDestroy(&gplot);
}
#endif
#if 1
/* Test the gray LI scaling function, comparing the
* special cases of scaling factor 2.0 and 4.0 with the
* general case */
if (d == 8 || d == 32)
{
PIX *pixt, *pix0, *pix1, *pix2, *pixd;
NUMA *nagray, *naseq;
GPLOT *gplot;
if (d == 8)
pixt = pixClone(pixs);
else
pixt = pixConvertRGBToGray(pixs, 0.33, 0.34, 0.33);
pix0 = pixScaleGrayLI(pixt, 0.5, 0.5);
#if 1
startTimer();
pix1 = pixScaleGrayLI(pix0, 2.00001, 2.0);
fprintf(stderr, " Time with regular LI 2x: %7.3f\n", stopTimer());
startTimer();
pix2 = pixScaleGrayLI(pix0, 2.0, 2.0);
fprintf(stderr, " Time with 2x LI: %7.3f\n", stopTimer());
#else
startTimer();
pix1 = pixScaleGrayLI(pix0, 4.00001, 4.0);
fprintf(stderr, " Time with regular LI 4x: %7.3f\n", stopTimer());
startTimer();
pix2 = pixScaleGrayLI(pix0, 4.0, 4.0);
fprintf(stderr, " Time with 2x LI: %7.3f\n", stopTimer());
#endif
pixWrite("/tmp/gray1", pix1, IFF_JFIF_JPEG);
pixWrite("/tmp/gray2", pix2, IFF_JFIF_JPEG);
pixd = pixAbsDifference(pix1, pix2);
nagray = pixGetGrayHistogram(pixd, 1);
naseq = numaMakeSequence(0., 1., 256);
gplot = gplotCreate("/tmp/g_absdiff", GPLOT_X11, "Number vs diff",
"diff", "number");
gplotSetScaling(gplot, GPLOT_LOG_SCALE_Y);
gplotAddPlot(gplot, naseq, nagray, GPLOT_POINTS, "gray");
gplotMakeOutput(gplot);
pixDestroy(&pixt);
pixDestroy(&pix0);
pixDestroy(&pix1);
pixDestroy(&pix2);
pixDestroy(&pixd);
numaDestroy(&naseq);
numaDestroy(&nagray);
gplotDestroy(&gplot);
}
#endif
pixDestroy(&pixs);
return 0;
}
int main(int argc,
char **argv)
{
l_int32 i;
PIX *pixs, *pixc;
PIXA *pixa;
L_REGPARAMS *rp;
if (regTestSetup(argc, argv, &rp))
return 1;
/* Test 1 bpp */
fprintf(stderr, "\n-------------- Testing 1 bpp ----------\n");
pixa = pixaCreate(0);
pixs = pixRead(image[0]);
pixc = pixScale(pixs, 0.32, 0.32);
regTestWritePixAndCheck(rp, pixc, IFF_PNG); /* 0 */
pixSaveTiled(pixc, pixa, 1.0, 1, SPACE, 32);
pixDestroy(&pixc);
pixc = pixScaleToGray3(pixs);
regTestWritePixAndCheck(rp, pixc, IFF_PNG); /* 1 */
PixSave32(pixa, pixc);
pixc = pixScaleToGray4(pixs);
regTestWritePixAndCheck(rp, pixc, IFF_PNG); /* 2 */
pixSaveTiled(pixc, pixa, 1.0, 1, SPACE, 32);
pixDestroy(&pixc);
pixc = pixScaleToGray6(pixs);
regTestWritePixAndCheck(rp, pixc, IFF_PNG); /* 3 */
PixSave32(pixa, pixc);
pixc = pixScaleToGray8(pixs);
regTestWritePixAndCheck(rp, pixc, IFF_PNG); /* 4 */
PixSave32(pixa, pixc);
pixc = pixScaleToGray16(pixs);
regTestWritePixAndCheck(rp, pixc, IFF_PNG); /* 5 */
PixSave32(pixa, pixc);
pixDestroy(&pixs);
PixaSaveDisplay(pixa, rp); /* 6 */
for (i = 1; i < 10; i++) {
pixa = pixaCreate(0);
AddScaledImages(pixa, image[i], WIDTH);
PixaSaveDisplay(pixa, rp); /* 7 - 16 */
}
/* Test 2 bpp without colormap */
fprintf(stderr, "\n-------------- Testing 2 bpp without cmap ----------\n");
pixa = pixaCreate(0);
pixs = pixRead(image[1]);
pixSaveTiled(pixs, pixa, 1.0, 1, SPACE, 32);
pixc = pixScale(pixs, 2.25, 2.25);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG); /* 17 */
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.85, 0.85);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG); /* 18 */
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.65, 0.65);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG); /* 19 */
PixSave32(pixa, pixc);
PixaSaveDisplay(pixa, rp); /* 20 */
pixDestroy(&pixs);
/* Test 2 bpp with colormap */
fprintf(stderr, "\n-------------- Testing 2 bpp with cmap ----------\n");
pixa = pixaCreate(0);
pixs = pixRead(image[2]);
pixSaveTiled(pixs, pixa, 1.0, 1, SPACE, 32);
pixc = pixScale(pixs, 2.25, 2.25);
regTestWritePixAndCheck(rp, pixc, IFF_PNG); /* 21 */
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.85, 0.85);
regTestWritePixAndCheck(rp, pixc, IFF_PNG); /* 22 */
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.65, 0.65);
regTestWritePixAndCheck(rp, pixc, IFF_PNG); /* 23 */
PixSave32(pixa, pixc);
PixaSaveDisplay(pixa, rp); /* 24 */
pixDestroy(&pixs);
/* Test 4 bpp without colormap */
fprintf(stderr, "\n-------------- Testing 4 bpp without cmap ----------\n");
pixa = pixaCreate(0);
pixs = pixRead(image[3]);
pixSaveTiled(pixs, pixa, 1.0, 1, SPACE, 32);
pixc = pixScale(pixs, 1.72, 1.72);
regTestWritePixAndCheck(rp, pixc, IFF_PNG); /* 25 */
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.85, 0.85);
regTestWritePixAndCheck(rp, pixc, IFF_PNG); /* 26 */
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.65, 0.65);
regTestWritePixAndCheck(rp, pixc, IFF_PNG); /* 27 */
PixSave32(pixa, pixc);
PixaSaveDisplay(pixa, rp); /* 28 */
pixDestroy(&pixs);
/* Test 4 bpp with colormap */
fprintf(stderr, "\n-------------- Testing 4 bpp with cmap ----------\n");
pixa = pixaCreate(0);
pixs = pixRead(image[4]);
pixSaveTiled(pixs, pixa, 1.0, 1, SPACE, 32);
pixc = pixScale(pixs, 1.72, 1.72);
regTestWritePixAndCheck(rp, pixc, IFF_PNG); /* 29 */
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.85, 0.85);
regTestWritePixAndCheck(rp, pixc, IFF_PNG); /* 30 */
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.65, 0.65);
regTestWritePixAndCheck(rp, pixc, IFF_PNG); /* 31 */
PixSave32(pixa, pixc);
PixaSaveDisplay(pixa, rp); /* 32 */
pixDestroy(&pixs);
/* Test 8 bpp without colormap */
fprintf(stderr, "\n-------------- Testing 8 bpp without cmap ----------\n");
pixa = pixaCreate(0);
pixs = pixRead(image[5]);
pixSaveTiled(pixs, pixa, 1.0, 1, SPACE, 32);
pixc = pixScale(pixs, 1.92, 1.92);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG); /* 33 */
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.85, 0.85);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG); /* 34 */
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.65, 0.65);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG); /* 35 */
PixSave32(pixa, pixc);
pixDestroy(&pixs);
pixs = pixRead("graytext.png");
pixc = pixScaleToSize(pixs, 0, 32); /* uses fast unsharp masking */
regTestWritePixAndCheck(rp, pixc, IFF_PNG); /* 36 */
PixSave32(pixa, pixc);
PixaSaveDisplay(pixa, rp); /* 37 */
pixDestroy(&pixs);
/* Test 8 bpp with colormap */
fprintf(stderr, "\n-------------- Testing 8 bpp with cmap ----------\n");
pixa = pixaCreate(0);
pixs = pixRead(image[6]);
pixSaveTiled(pixs, pixa, 1.0, 1, SPACE, 32);
pixc = pixScale(pixs, 1.92, 1.92);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG); /* 38 */
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.85, 0.85);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG); /* 39 */
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.65, 0.65);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG); /* 40 */
PixSave32(pixa, pixc);
PixaSaveDisplay(pixa, rp); /* 41 */
pixDestroy(&pixs);
/* Test 16 bpp */
fprintf(stderr, "\n-------------- Testing 16 bpp ------------\n");
pixa = pixaCreate(0);
pixs = pixRead(image[7]);
pixSaveTiled(pixs, pixa, 1.0, 1, SPACE, 32);
pixc = pixScale(pixs, 1.92, 1.92);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG); /* 42 */
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.85, 0.85);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG); /* 43 */
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.65, 0.65);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG); /* 44 */
PixSave32(pixa, pixc);
PixaSaveDisplay(pixa, rp); /* 45 */
pixDestroy(&pixs);
/* Test 32 bpp */
fprintf(stderr, "\n-------------- Testing 32 bpp ------------\n");
pixa = pixaCreate(0);
pixs = pixRead(image[8]);
pixSaveTiled(pixs, pixa, 1.0, 1, SPACE, 32);
pixc = pixScale(pixs, 1.42, 1.42);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG); /* 46 */
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.85, 0.85);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG); /* 47 */
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.65, 0.65);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG); /* 48 */
PixSave32(pixa, pixc);
PixaSaveDisplay(pixa, rp); /* 49 */
pixDestroy(&pixs);
return regTestCleanup(rp);
}
main(int argc,
char **argv)
{
l_int32 i;
PIX *pixs, *pixc, *pixd;
PIXA *pixa;
L_REGPARAMS *rp;
if (regTestSetup(argc, argv, &rp))
return 1;
/* Test 1 bpp */
fprintf(stderr, "\n-------------- Testing 1 bpp ----------\n");
pixa = pixaCreate(0);
pixs = pixRead(image[0]);
pixc = pixScale(pixs, 0.32, 0.32);
regTestWritePixAndCheck(rp, pixc, IFF_PNG);
pixSaveTiled(pixc, pixa, 1, 1, SPACE, 32);
pixDestroy(&pixc);
pixc = pixScaleToGray3(pixs);
regTestWritePixAndCheck(rp, pixc, IFF_PNG);
PixSave32(pixa, pixc);
pixc = pixScaleToGray4(pixs);
regTestWritePixAndCheck(rp, pixc, IFF_PNG);
pixSaveTiled(pixc, pixa, 1, 1, SPACE, 32);
pixDestroy(&pixc);
pixc = pixScaleToGray6(pixs);
regTestWritePixAndCheck(rp, pixc, IFF_PNG);
PixSave32(pixa, pixc);
pixc = pixScaleToGray8(pixs);
regTestWritePixAndCheck(rp, pixc, IFF_PNG);
PixSave32(pixa, pixc);
pixc = pixScaleToGray16(pixs);
regTestWritePixAndCheck(rp, pixc, IFF_PNG);
PixSave32(pixa, pixc);
pixDestroy(&pixs);
PixaSaveDisplay(pixa, rp);
for (i = 1; i < 10; i++) {
pixa = pixaCreate(0);
AddScaledImages(pixa, image[i], WIDTH);
PixaSaveDisplay(pixa, rp);
}
/* Test 2 bpp without colormap */
fprintf(stderr, "\n-------------- Testing 2 bpp without cmap ----------\n");
pixa = pixaCreate(0);
pixs = pixRead(image[1]);
pixSaveTiled(pixs, pixa, 1, 1, SPACE, 32);
pixc = pixScale(pixs, 2.25, 2.25);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG);
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.85, 0.85);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG);
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.65, 0.65);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG);
PixSave32(pixa, pixc);
PixaSaveDisplay(pixa, rp);
pixDestroy(&pixs);
/* Test 2 bpp with colormap */
fprintf(stderr, "\n-------------- Testing 2 bpp with cmap ----------\n");
pixa = pixaCreate(0);
pixs = pixRead(image[2]);
pixSaveTiled(pixs, pixa, 1, 1, SPACE, 32);
pixc = pixScale(pixs, 2.25, 2.25);
regTestWritePixAndCheck(rp, pixc, IFF_PNG);
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.85, 0.85);
regTestWritePixAndCheck(rp, pixc, IFF_PNG);
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.65, 0.65);
regTestWritePixAndCheck(rp, pixc, IFF_PNG);
PixSave32(pixa, pixc);
PixaSaveDisplay(pixa, rp);
pixDestroy(&pixs);
/* Test 4 bpp without colormap */
fprintf(stderr, "\n-------------- Testing 4 bpp without cmap ----------\n");
pixa = pixaCreate(0);
pixs = pixRead(image[3]);
pixSaveTiled(pixs, pixa, 1, 1, SPACE, 32);
pixc = pixScale(pixs, 1.72, 1.72);
regTestWritePixAndCheck(rp, pixc, IFF_PNG);
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.85, 0.85);
regTestWritePixAndCheck(rp, pixc, IFF_PNG);
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.65, 0.65);
regTestWritePixAndCheck(rp, pixc, IFF_PNG);
PixSave32(pixa, pixc);
PixaSaveDisplay(pixa, rp);
pixDestroy(&pixs);
/* Test 4 bpp with colormap */
fprintf(stderr, "\n-------------- Testing 4 bpp with cmap ----------\n");
pixa = pixaCreate(0);
pixs = pixRead(image[4]);
pixSaveTiled(pixs, pixa, 1, 1, SPACE, 32);
pixc = pixScale(pixs, 1.72, 1.72);
regTestWritePixAndCheck(rp, pixc, IFF_PNG);
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.85, 0.85);
regTestWritePixAndCheck(rp, pixc, IFF_PNG);
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.65, 0.65);
regTestWritePixAndCheck(rp, pixc, IFF_PNG);
PixSave32(pixa, pixc);
PixaSaveDisplay(pixa, rp);
pixDestroy(&pixs);
/* Test 8 bpp without colormap */
fprintf(stderr, "\n-------------- Testing 8 bpp without cmap ----------\n");
pixa = pixaCreate(0);
pixs = pixRead(image[5]);
pixSaveTiled(pixs, pixa, 1, 1, SPACE, 32);
pixc = pixScale(pixs, 1.92, 1.92);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG);
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.85, 0.85);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG);
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.65, 0.65);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG);
PixSave32(pixa, pixc);
PixaSaveDisplay(pixa, rp);
pixDestroy(&pixs);
/* Test 8 bpp with colormap */
fprintf(stderr, "\n-------------- Testing 8 bpp with cmap ----------\n");
pixa = pixaCreate(0);
pixs = pixRead(image[6]);
pixSaveTiled(pixs, pixa, 1, 1, SPACE, 32);
pixc = pixScale(pixs, 1.92, 1.92);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG);
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.85, 0.85);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG);
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.65, 0.65);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG);
PixSave32(pixa, pixc);
PixaSaveDisplay(pixa, rp);
pixDestroy(&pixs);
/* Test 16 bpp */
fprintf(stderr, "\n-------------- Testing 16 bpp ------------\n");
pixa = pixaCreate(0);
pixs = pixRead(image[7]);
pixSaveTiled(pixs, pixa, 1, 1, SPACE, 32);
pixc = pixScale(pixs, 1.92, 1.92);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG);
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.85, 0.85);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG);
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.65, 0.65);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG);
PixSave32(pixa, pixc);
PixaSaveDisplay(pixa, rp);
pixDestroy(&pixs);
/* Test 32 bpp */
fprintf(stderr, "\n-------------- Testing 32 bpp ------------\n");
pixa = pixaCreate(0);
pixs = pixRead(image[8]);
pixSaveTiled(pixs, pixa, 1, 1, SPACE, 32);
pixc = pixScale(pixs, 1.42, 1.42);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG);
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.85, 0.85);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG);
PixSave32(pixa, pixc);
pixc = pixScale(pixs, 0.65, 0.65);
regTestWritePixAndCheck(rp, pixc, IFF_JFIF_JPEG);
PixSave32(pixa, pixc);
PixaSaveDisplay(pixa, rp);
pixDestroy(&pixs);
return regTestCleanup(rp);
}
