Pix Pix::ThresholdOn8bpp(int nlevels, int cmapflag) { if(IsEmpty()) return Pix(); PIX *dPix = pixThresholdOn8bpp(pix, nlevels, cmapflag); if(!dPix) return Pix(); return Pix(&dPix); } // END Pix::ThresholdOn8bpp()
static PIX * QuantizeNonImageRegion(PIX *pixs, PIX *pixm, l_int32 levels) { PIX *pix1, *pix2, *pixd; pix1 = pixConvertTo8(pixs, 0); pix2 = pixThresholdOn8bpp(pix1, levels, 1); pixd = pixConvertTo32(pix2); /* save in rgb */ pixCombineMasked(pixd, pixs, pixm); /* rgb result */ pixDestroy(&pix1); pixDestroy(&pix2); return pixd; }
l_int32 main(int argc, char **argv) { l_int32 irval, igval, ibval; l_float32 rval, gval, bval, fract, fgfract; L_BMF *bmf; BOX *box; BOXA *boxa; FPIX *fpix; PIX *pixs, *pix1, *pix2, *pix3, *pix4, *pix5, *pix6, *pix7; PIX *pix8, *pix9, *pix10, *pix11, *pix12, *pix13, *pix14, *pix15; PIXA *pixa; L_REGPARAMS *rp; if (regTestSetup(argc, argv, &rp)) return 1; pixa = pixaCreate(0); pixs = pixRead("breviar38.150.jpg"); /* pixs = pixRead("breviar32.150.jpg"); */ pixaAddPix(pixa, pixs, L_CLONE); regTestWritePixAndCheck(rp, pixs, IFF_JFIF_JPEG); /* 0 */ pixDisplayWithTitle(pixs, 0, 0, "Input image", rp->display); /* Extract the blue component, which is small in all the text * regions, including in the highlight color region */ pix1 = pixGetRGBComponent(pixs, COLOR_BLUE); pixaAddPix(pixa, pix1, L_CLONE); regTestWritePixAndCheck(rp, pix1, IFF_JFIF_JPEG); /* 1 */ pixDisplayWithTitle(pix1, 200, 0, "Blue component", rp->display); /* Do a background normalization, with the background set to * approximately 200 */ pix2 = pixBackgroundNormSimple(pix1, NULL, NULL); pixaAddPix(pixa, pix2, L_COPY); regTestWritePixAndCheck(rp, pix2, IFF_JFIF_JPEG); /* 2 */ pixDisplayWithTitle(pix2, 400, 0, "BG normalized to 200", rp->display); /* Do a linear transform on the gray pixels, with 50 going to * black and 160 going to white. 50 is sufficiently low to * make both the red and black print quite dark. Quantize * to a few equally spaced gray levels. This is the image * to which highlight color will be applied. */ pixGammaTRC(pix2, pix2, 1.0, 50, 160); pix3 = pixThresholdOn8bpp(pix2, 7, 1); pixaAddPix(pixa, pix3, L_CLONE); regTestWritePixAndCheck(rp, pix3, IFF_JFIF_JPEG); /* 3 */ pixDisplayWithTitle(pix3, 600, 0, "Basic quantized with white bg", rp->display); /* Identify the regions of red text. First, make a mask * consisting of all pixels such that (R-B)/B is larger * than 2.0. This will have all the red, plus a lot of * the dark pixels. */ fpix = pixComponentFunction(pixs, 1.0, 0.0, -1.0, 0.0, 0.0, 1.0); pix4 = fpixThresholdToPix(fpix, 2.0); pixInvert(pix4, pix4); /* red plus some dark text */ pixaAddPix(pixa, pix4, L_CLONE); regTestWritePixAndCheck(rp, pix4, IFF_PNG); /* 4 */ pixDisplayWithTitle(pix4, 800, 0, "Red plus dark pixels", rp->display); /* Make a mask consisting of all the red and background pixels */ pix5 = pixGetRGBComponent(pixs, COLOR_RED); pix6 = pixThresholdToBinary(pix5, 128); pixInvert(pix6, pix6); /* red plus background (white) */ /* Intersect the two masks to get a mask consisting of pixels * that are almost certainly red. This is the seed. */ pix7 = pixAnd(NULL, pix4, pix6); /* red only (seed) */ pixaAddPix(pixa, pix7, L_COPY); regTestWritePixAndCheck(rp, pix7, IFF_PNG); /* 5 */ pixDisplayWithTitle(pix7, 0, 600, "Seed for red color", rp->display); /* Make the clipping mask by thresholding the image with * the background cleaned to white. */ pix8 = pixThresholdToBinary(pix2, 230); /* mask */ pixaAddPix(pixa, pix8, L_CLONE); regTestWritePixAndCheck(rp, pix8, IFF_PNG); /* 6 */ pixDisplayWithTitle(pix8, 200, 600, "Clipping mask for red components", rp->display); /* Fill into the mask from the seed */ pixSeedfillBinary(pix7, pix7, pix8, 8); /* filled: red plus touching */ regTestWritePixAndCheck(rp, pix7, IFF_PNG); /* 7 */ pixDisplayWithTitle(pix7, 400, 600, "Red component mask filled", rp->display); /* Remove long horizontal and vertical lines from the filled result */ pix9 = pixMorphSequence(pix7, "o40.1", 0); pixSubtract(pix7, pix7, pix9); /* remove long horizontal lines */ pixDestroy(&pix9); pix9 = pixMorphSequence(pix7, "o1.40", 0); pixSubtract(pix7, pix7, pix9); /* remove long vertical lines */ /* Close the regions to be colored */ pix10 = pixMorphSequence(pix7, "c5.1", 0); pixaAddPix(pixa, pix10, L_CLONE); regTestWritePixAndCheck(rp, pix10, IFF_PNG); /* 8 */ pixDisplayWithTitle(pix10, 600, 600, "Components defining regions allowing coloring", rp->display); /* Sanity check on amount to be colored. Only accept images * with less than 10% of all the pixels with highlight color */ pixForegroundFraction(pix10, &fgfract); if (fgfract >= 0.10) { L_INFO("too much highlighting: fract = %6.3f; removing it\n", rp->testname, fgfract); pixClearAll(pix10); pixSetPixel(pix10, 0, 0, 1); } /* Get the bounding boxes of the regions to be colored */ boxa = pixConnCompBB(pix10, 8); /* Get a color to paint that is representative of the * actual highlight color in the image. Scale each * color component up from the average by an amount necessary * to saturate the red. Then divide the green and * blue components by 2.0. */ pixGetAverageMaskedRGB(pixs, pix7, 0, 0, 1, L_MEAN_ABSVAL, &rval, &gval, &bval); fract = 255.0 / rval; irval = lept_roundftoi(fract * rval); igval = lept_roundftoi(fract * gval / 2.0); ibval = lept_roundftoi(fract * bval / 2.0); fprintf(stderr, "(r,g,b) = (%d,%d,%d)\n", irval, igval, ibval); /* Color the quantized gray version in the selected regions */ pix11 = pixColorGrayRegions(pix3, boxa, L_PAINT_DARK, 220, irval, igval, ibval); pixaAddPix(pixa, pix11, L_CLONE); regTestWritePixAndCheck(rp, pix11, IFF_PNG); /* 9 */ pixDisplayWithTitle(pix11, 800, 600, "Final colored result", rp->display); pixaAddPix(pixa, pixs, L_CLONE); /* Test colorization on gray and cmapped gray */ pix12 = pixColorGrayRegions(pix2, boxa, L_PAINT_DARK, 220, 0, 255, 0); pixaAddPix(pixa, pix12, L_CLONE); regTestWritePixAndCheck(rp, pix12, IFF_PNG); /* 10 */ pixDisplayWithTitle(pix12, 900, 600, "Colorizing boxa gray", rp->display); box = boxCreate(200, 200, 250, 350); pix13 = pixCopy(NULL, pix2); pixColorGray(pix13, box, L_PAINT_DARK, 220, 0, 0, 255); pixaAddPix(pixa, pix13, L_CLONE); regTestWritePixAndCheck(rp, pix13, IFF_PNG); /* 11 */ pixDisplayWithTitle(pix13, 1000, 600, "Colorizing box gray", rp->display); pix14 = pixThresholdTo4bpp(pix2, 6, 1); pix15 = pixColorGrayRegions(pix14, boxa, L_PAINT_DARK, 220, 0, 0, 255); pixaAddPix(pixa, pix15, L_CLONE); regTestWritePixAndCheck(rp, pix15, IFF_PNG); /* 12 */ pixDisplayWithTitle(pix15, 1100, 600, "Colorizing boxa cmap", rp->display); pixColorGrayCmap(pix14, box, L_PAINT_DARK, 0, 255, 255); pixaAddPix(pixa, pix14, L_CLONE); regTestWritePixAndCheck(rp, pix14, IFF_PNG); /* 13 */ pixDisplayWithTitle(pix14, 1200, 600, "Colorizing box cmap", rp->display); boxDestroy(&box); /* Generate a pdf of the intermediate results */ lept_mkdir("lept"); L_INFO("Writing to /tmp/lept/colorize.pdf\n", rp->testname); pixaConvertToPdf(pixa, 90, 1.0, 0, 0, "Colorizing highlighted text", "/tmp/lept/colorize.pdf"); pixaDestroy(&pixa); fpixDestroy(&fpix); boxDestroy(&box); boxaDestroy(&boxa); pixDestroy(&pixs); pixDestroy(&pix1); pixDestroy(&pix2); pixDestroy(&pix3); pixDestroy(&pix4); pixDestroy(&pix5); pixDestroy(&pix6); pixDestroy(&pix7); pixDestroy(&pix8); pixDestroy(&pix9); pixDestroy(&pix10); pixDestroy(&pix11); pixDestroy(&pix12); pixDestroy(&pix13); pixDestroy(&pix14); pixDestroy(&pix15); /* Test the color detector */ pixa = pixaCreate(7); bmf = bmfCreate("./fonts", 4); pix1 = TestForRedColor(rp, "brev06.75.jpg", 1, bmf); /* 14 */ pixaAddPix(pixa, pix1, L_INSERT); pix1 = TestForRedColor(rp, "brev10.75.jpg", 0, bmf); /* 15 */ pixaAddPix(pixa, pix1, L_INSERT); pix1 = TestForRedColor(rp, "brev14.75.jpg", 1, bmf); /* 16 */ pixaAddPix(pixa, pix1, L_INSERT); pix1 = TestForRedColor(rp, "brev20.75.jpg", 1, bmf); /* 17 */ pixaAddPix(pixa, pix1, L_INSERT); pix1 = TestForRedColor(rp, "brev36.75.jpg", 0, bmf); /* 18 */ pixaAddPix(pixa, pix1, L_INSERT); pix1 = TestForRedColor(rp, "brev53.75.jpg", 1, bmf); /* 19 */ pixaAddPix(pixa, pix1, L_INSERT); pix1 = TestForRedColor(rp, "brev56.75.jpg", 1, bmf); /* 20 */ pixaAddPix(pixa, pix1, L_INSERT); /* Generate a pdf of the color detector results */ L_INFO("Writing to /tmp/lept/colordetect.pdf\n", rp->testname); pixaConvertToPdf(pixa, 45, 1.0, 0, 0, "Color detection", "/tmp/lept/colordetect.pdf"); pixaDestroy(&pixa); bmfDestroy(&bmf); return regTestCleanup(rp); }
int main(int argc, char **argv) { l_int32 index; l_uint32 val32; BOX *box, *box1, *box2, *box3, *box4, *box5; BOXA *boxa; L_KERNEL *kel; PIX *pixs, *pixg, *pixb, *pixd, *pixt, *pix1, *pix2, *pix3, *pix4; PIXA *pixa; PIXCMAP *cmap; L_REGPARAMS *rp; if (regTestSetup(argc, argv, &rp)) return 1; pixa = pixaCreate(0); /* Color non-white pixels on RGB */ pixs = pixRead("lucasta-frag.jpg"); pixt = pixConvert8To32(pixs); box = boxCreate(120, 30, 200, 200); pixColorGray(pixt, box, L_PAINT_DARK, 220, 0, 0, 255); regTestWritePixAndCheck(rp, pixt, IFF_JFIF_JPEG); /* 0 */ pixaAddPix(pixa, pixt, L_COPY); pixColorGray(pixt, NULL, L_PAINT_DARK, 220, 255, 100, 100); regTestWritePixAndCheck(rp, pixt, IFF_JFIF_JPEG); /* 1 */ pixaAddPix(pixa, pixt, L_INSERT); boxDestroy(&box); /* Color non-white pixels on colormap */ pixt = pixThresholdTo4bpp(pixs, 6, 1); box = boxCreate(120, 30, 200, 200); pixColorGray(pixt, box, L_PAINT_DARK, 220, 0, 0, 255); regTestWritePixAndCheck(rp, pixt, IFF_PNG); /* 2 */ pixaAddPix(pixa, pixt, L_COPY); pixColorGray(pixt, NULL, L_PAINT_DARK, 220, 255, 100, 100); regTestWritePixAndCheck(rp, pixt, IFF_PNG); /* 3 */ pixaAddPix(pixa, pixt, L_INSERT); boxDestroy(&box); /* Color non-black pixels on RGB */ pixt = pixConvert8To32(pixs); box = boxCreate(120, 30, 200, 200); pixColorGray(pixt, box, L_PAINT_LIGHT, 20, 0, 0, 255); regTestWritePixAndCheck(rp, pixt, IFF_PNG); /* 4 */ pixaAddPix(pixa, pixt, L_COPY); pixColorGray(pixt, NULL, L_PAINT_LIGHT, 80, 255, 100, 100); regTestWritePixAndCheck(rp, pixt, IFF_PNG); /* 5 */ pixaAddPix(pixa, pixt, L_INSERT); boxDestroy(&box); /* Color non-black pixels on colormap */ pixt = pixThresholdTo4bpp(pixs, 6, 1); box = boxCreate(120, 30, 200, 200); pixColorGray(pixt, box, L_PAINT_LIGHT, 20, 0, 0, 255); regTestWritePixAndCheck(rp, pixt, IFF_PNG); /* 6 */ pixaAddPix(pixa, pixt, L_COPY); pixColorGray(pixt, NULL, L_PAINT_LIGHT, 20, 255, 100, 100); regTestWritePixAndCheck(rp, pixt, IFF_PNG); /* 7 */ pixaAddPix(pixa, pixt, L_INSERT); boxDestroy(&box); /* Add highlight color to RGB */ pixt = pixConvert8To32(pixs); box = boxCreate(507, 5, 385, 45); pixg = pixClipRectangle(pixs, box, NULL); pixb = pixThresholdToBinary(pixg, 180); pixInvert(pixb, pixb); pixDisplayWrite(pixb, 1); composeRGBPixel(50, 0, 250, &val32); pixPaintThroughMask(pixt, pixb, box->x, box->y, val32); boxDestroy(&box); pixDestroy(&pixg); pixDestroy(&pixb); box = boxCreate(236, 107, 262, 40); pixg = pixClipRectangle(pixs, box, NULL); pixb = pixThresholdToBinary(pixg, 180); pixInvert(pixb, pixb); composeRGBPixel(250, 0, 50, &val32); pixPaintThroughMask(pixt, pixb, box->x, box->y, val32); boxDestroy(&box); pixDestroy(&pixg); pixDestroy(&pixb); box = boxCreate(222, 208, 247, 43); pixg = pixClipRectangle(pixs, box, NULL); pixb = pixThresholdToBinary(pixg, 180); pixInvert(pixb, pixb); composeRGBPixel(60, 250, 60, &val32); pixPaintThroughMask(pixt, pixb, box->x, box->y, val32); regTestWritePixAndCheck(rp, pixt, IFF_PNG); /* 8 */ pixaAddPix(pixa, pixt, L_INSERT); boxDestroy(&box); pixDestroy(&pixg); pixDestroy(&pixb); /* Add highlight color to colormap */ pixt = pixThresholdTo4bpp(pixs, 5, 1); cmap = pixGetColormap(pixt); pixcmapGetIndex(cmap, 255, 255, 255, &index); box = boxCreate(507, 5, 385, 45); pixSetSelectCmap(pixt, box, index, 50, 0, 250); boxDestroy(&box); box = boxCreate(236, 107, 262, 40); pixSetSelectCmap(pixt, box, index, 250, 0, 50); boxDestroy(&box); box = boxCreate(222, 208, 247, 43); pixSetSelectCmap(pixt, box, index, 60, 250, 60); regTestWritePixAndCheck(rp, pixt, IFF_PNG); /* 9 */ pixaAddPix(pixa, pixt, L_INSERT); boxDestroy(&box); /* Paint lines on RGB */ pixt = pixConvert8To32(pixs); pixRenderLineArb(pixt, 450, 20, 850, 320, 5, 200, 50, 125); pixRenderLineArb(pixt, 30, 40, 440, 40, 5, 100, 200, 25); box = boxCreate(70, 80, 300, 245); pixRenderBoxArb(pixt, box, 3, 200, 200, 25); regTestWritePixAndCheck(rp, pixt, IFF_JFIF_JPEG); /* 10 */ pixaAddPix(pixa, pixt, L_INSERT); boxDestroy(&box); /* Paint lines on colormap */ pixt = pixThresholdTo4bpp(pixs, 5, 1); pixRenderLineArb(pixt, 450, 20, 850, 320, 5, 200, 50, 125); pixRenderLineArb(pixt, 30, 40, 440, 40, 5, 100, 200, 25); box = boxCreate(70, 80, 300, 245); pixRenderBoxArb(pixt, box, 3, 200, 200, 25); regTestWritePixAndCheck(rp, pixt, IFF_PNG); /* 11 */ pixaAddPix(pixa, pixt, L_INSERT); boxDestroy(&box); /* Blend lines on RGB */ pixt = pixConvert8To32(pixs); pixRenderLineBlend(pixt, 450, 20, 850, 320, 5, 200, 50, 125, 0.35); pixRenderLineBlend(pixt, 30, 40, 440, 40, 5, 100, 200, 25, 0.35); box = boxCreate(70, 80, 300, 245); pixRenderBoxBlend(pixt, box, 3, 200, 200, 25, 0.6); regTestWritePixAndCheck(rp, pixt, IFF_JFIF_JPEG); /* 12 */ pixaAddPix(pixa, pixt, L_INSERT); boxDestroy(&box); /* Colorize gray on cmapped image. */ pix1 = pixRead("lucasta.150.jpg"); pix2 = pixThresholdTo4bpp(pix1, 7, 1); box1 = boxCreate(73, 206, 140, 27); pixColorGrayCmap(pix2, box1, L_PAINT_LIGHT, 130, 207, 43); regTestWritePixAndCheck(rp, pix2, IFF_PNG); /* 13 */ pixaAddPix(pixa, pix2, L_COPY); if (rp->display) pixPrintStreamInfo(stderr, pix2, "One box added"); box2 = boxCreate(255, 404, 197, 25); pixColorGrayCmap(pix2, box2, L_PAINT_LIGHT, 230, 67, 119); regTestWritePixAndCheck(rp, pix2, IFF_PNG); /* 14 */ pixaAddPix(pixa, pix2, L_COPY); if (rp->display) pixPrintStreamInfo(stderr, pix2, "Two boxes added"); box3 = boxCreate(122, 756, 224, 22); pixColorGrayCmap(pix2, box3, L_PAINT_DARK, 230, 67, 119); regTestWritePixAndCheck(rp, pix2, IFF_PNG); /* 15 */ pixaAddPix(pixa, pix2, L_COPY); if (rp->display) pixPrintStreamInfo(stderr, pix2, "Three boxes added"); box4 = boxCreate(11, 780, 147, 22); pixColorGrayCmap(pix2, box4, L_PAINT_LIGHT, 70, 137, 229); regTestWritePixAndCheck(rp, pix2, IFF_PNG); /* 16 */ pixaAddPix(pixa, pix2, L_COPY); if (rp->display) pixPrintStreamInfo(stderr, pix2, "Four boxes added"); box5 = boxCreate(163, 605, 78, 22); pixColorGrayCmap(pix2, box5, L_PAINT_LIGHT, 70, 137, 229); regTestWritePixAndCheck(rp, pix2, IFF_PNG); /* 17 */ pixaAddPix(pixa, pix2, L_INSERT); if (rp->display) pixPrintStreamInfo(stderr, pix2, "Five boxes added"); pixDestroy(&pix1); boxDestroy(&box1); boxDestroy(&box2); boxDestroy(&box3); boxDestroy(&box4); boxDestroy(&box5); pixDestroy(&pixs); /* Make a gray image and identify the fg pixels (val > 230) */ pixs = pixRead("feyn-fract.tif"); pix1 = pixConvertTo8(pixs, 0); kel = makeGaussianKernel(2, 2, 1.5, 1.0); pix2 = pixConvolve(pix1, kel, 8, 1); pix3 = pixThresholdToBinary(pix2, 230); boxa = pixConnComp(pix3, NULL, 8); pixDestroy(&pixs); pixDestroy(&pix1); pixDestroy(&pix3); kernelDestroy(&kel); /* Color the individual components in the gray image */ pix4 = pixColorGrayRegions(pix2, boxa, L_PAINT_DARK, 230, 255, 0, 0); regTestWritePixAndCheck(rp, pix4, IFF_PNG); /* 18 */ pixaAddPix(pixa, pix4, L_INSERT); pixDisplayWithTitle(pix4, 0, 0, NULL, rp->display); /* Threshold to 10 levels of gray */ pix3 = pixThresholdOn8bpp(pix2, 10, 1); regTestWritePixAndCheck(rp, pix3, IFF_PNG); /* 19 */ pixaAddPix(pixa, pix3, L_COPY); /* Color the individual components in the cmapped image */ pix4 = pixColorGrayRegions(pix3, boxa, L_PAINT_DARK, 230, 255, 0, 0); regTestWritePixAndCheck(rp, pix4, IFF_PNG); /* 20 */ pixaAddPix(pixa, pix4, L_INSERT); pixDisplayWithTitle(pix4, 0, 100, NULL, rp->display); boxaDestroy(&boxa); /* Color the entire gray image (not component-wise) */ pixColorGray(pix2, NULL, L_PAINT_DARK, 230, 255, 0, 0); regTestWritePixAndCheck(rp, pix2, IFF_PNG); /* 21 */ pixaAddPix(pixa, pix2, L_INSERT); /* Color the entire cmapped image (not component-wise) */ pixColorGray(pix3, NULL, L_PAINT_DARK, 230, 255, 0, 0); regTestWritePixAndCheck(rp, pix3, IFF_PNG); /* 22 */ pixaAddPix(pixa, pix3, L_INSERT); /* Reconstruct cmapped images */ pixd = ReconstructByValue(rp, "weasel2.4c.png"); regTestWritePixAndCheck(rp, pixd, IFF_PNG); /* 23 */ pixaAddPix(pixa, pixd, L_INSERT); pixd = ReconstructByValue(rp, "weasel4.11c.png"); regTestWritePixAndCheck(rp, pixd, IFF_PNG); /* 24 */ pixaAddPix(pixa, pixd, L_INSERT); pixd = ReconstructByValue(rp, "weasel8.240c.png"); regTestWritePixAndCheck(rp, pixd, IFF_PNG); /* 25 */ pixaAddPix(pixa, pixd, L_INSERT); /* Fake reconstruct cmapped images, with one color into a band */ pixd = FakeReconstructByBand(rp, "weasel2.4c.png"); regTestWritePixAndCheck(rp, pixd, IFF_PNG); /* 26 */ pixaAddPix(pixa, pixd, L_INSERT); pixd = FakeReconstructByBand(rp, "weasel4.11c.png"); regTestWritePixAndCheck(rp, pixd, IFF_PNG); /* 27 */ pixaAddPix(pixa, pixd, L_INSERT); pixd = FakeReconstructByBand(rp, "weasel8.240c.png"); regTestWritePixAndCheck(rp, pixd, IFF_PNG); /* 28 */ pixaAddPix(pixa, pixd, L_INSERT); /* If in testing mode, make a pdf */ if (rp->display) { pixaConvertToPdf(pixa, 100, 1.0, L_FLATE_ENCODE, 0, "Colorize and paint", "/tmp/lept/regout/paint.pdf"); L_INFO("Output pdf: /tmp/lept/regout/paint.pdf\n", rp->testname); } pixaDestroy(&pixa); return regTestCleanup(rp); }
main(int argc, char **argv) { const char *str; l_int32 equal, index, w, h; BOX *box; PIX *pixs, *pixd, *pixt, *pixd1, *pixd2, *pixd3; PIX *pixt0, *pixt1, *pixt2, *pixt3, *pixt4; PIXA *pixa; PIXCMAP *cmap; static char mainName[] = "grayquant_reg"; if ((pixs = pixRead("test8.jpg")) == NULL) exit(ERROR_INT("pixs not made", mainName, 1)); pixa = pixaCreate(0); pixSaveTiled(pixs, pixa, 1, 1, 20, 8); /* threshold to 1 bpp */ pixd = pixThresholdToBinary(pixs, THRESHOLD); pixSaveTiled(pixd, pixa, 1, 1, 20, 0); pixWrite("/tmp/junkthr0.png", pixd, IFF_PNG); pixDestroy(&pixd); /* dither to 2 bpp, with and without colormap */ pixd = pixDitherTo2bpp(pixs, 1); pixt = pixDitherTo2bpp(pixs, 0); pixt2 = pixConvertGrayToColormap(pixt); pixSaveTiled(pixd, pixa, 1, 1, 20, 0); pixSaveTiled(pixt, pixa, 1, 0, 20, 0); pixSaveTiled(pixt2, pixa, 1, 0, 20, 0); pixWrite("/tmp/junkthr1.png", pixd, IFF_PNG); pixWrite("/tmp/junkthr2.png", pixt, IFF_PNG); pixWrite("/tmp/junkthr3.png", pixt2, IFF_PNG); /* pixcmapWriteStream(stderr, pixGetColormap(pixd)); */ pixEqual(pixd, pixt2, &equal); if (!equal) fprintf(stderr, "Error: thr2 != thr3\n"); pixDestroy(&pixt); pixDestroy(&pixt2); pixDestroy(&pixd); /* threshold to 2 bpp, with and without colormap */ pixd = pixThresholdTo2bpp(pixs, 4, 1); pixt = pixThresholdTo2bpp(pixs, 4, 0); pixt2 = pixConvertGrayToColormap(pixt); pixSaveTiled(pixd, pixa, 1, 1, 20, 0); pixSaveTiled(pixt, pixa, 1, 0, 20, 0); pixSaveTiled(pixt2, pixa, 1, 0, 20, 0); pixWrite("/tmp/junkthr4.png", pixd, IFF_PNG); pixWrite("/tmp/junkthr5.png", pixt2, IFF_PNG); pixEqual(pixd, pixt2, &equal); if (!equal) fprintf(stderr, "Error: thr4 != thr5\n"); pixDestroy(&pixt); pixDestroy(&pixt2); pixDestroy(&pixd); pixd = pixThresholdTo2bpp(pixs, 3, 1); pixt = pixThresholdTo2bpp(pixs, 3, 0); pixSaveTiled(pixd, pixa, 1, 1, 20, 0); pixSaveTiled(pixt, pixa, 1, 0, 20, 0); pixWrite("/tmp/junkthr6.png", pixd, IFF_PNG); pixWrite("/tmp/junkthr7.png", pixt, IFF_PNG); pixDestroy(&pixt); pixDestroy(&pixd); /* threshold to 4 bpp, with and without colormap */ pixd = pixThresholdTo4bpp(pixs, 9, 1); pixt = pixThresholdTo4bpp(pixs, 9, 0); pixt2 = pixConvertGrayToColormap(pixt); pixSaveTiled(pixd, pixa, 1, 1, 20, 0); pixSaveTiled(pixt, pixa, 1, 0, 20, 0); pixSaveTiled(pixt2, pixa, 1, 0, 20, 0); pixWrite("/tmp/junkthr8.png", pixd, IFF_PNG); pixWrite("/tmp/junkthr9.png", pixt, IFF_PNG); pixWrite("/tmp/junkthr10.png", pixt2, IFF_PNG); /* pixcmapWriteStream(stderr, pixGetColormap(pixd)); */ pixDestroy(&pixt); pixDestroy(&pixt2); pixDestroy(&pixd); /* threshold on 8 bpp, with and without colormap */ pixd = pixThresholdOn8bpp(pixs, 9, 1); pixt = pixThresholdOn8bpp(pixs, 9, 0); pixt2 = pixConvertGrayToColormap(pixt); pixSaveTiled(pixd, pixa, 1, 1, 20, 0); pixSaveTiled(pixt, pixa, 1, 0, 20, 0); pixSaveTiled(pixt2, pixa, 1, 0, 20, 0); pixWrite("/tmp/junkthr11.png", pixd, IFF_PNG); pixWrite("/tmp/junkthr12.png", pixt2, IFF_PNG); /* pixcmapWriteStream(stderr, pixGetColormap(pixd)); */ pixEqual(pixd, pixt2, &equal); if (!equal) fprintf(stderr, "Error: thr11 != thr12\n"); pixDestroy(&pixt); pixDestroy(&pixt2); pixDestroy(&pixd); pixd1 = pixaDisplay(pixa, 0, 0); pixDisplay(pixd1, 100, 100); pixWrite("/tmp/junkpixd1.jpg", pixd1, IFF_JFIF_JPEG); pixDestroy(&pixd1); pixaDestroy(&pixa); pixa = pixaCreate(0); pixSaveTiled(pixs, pixa, 1, 1, 20, 32); /* highlight 2 bpp with colormap */ pixd = pixThresholdTo2bpp(pixs, 3, 1); cmap = pixGetColormap(pixd); pixcmapWriteStream(stderr, cmap); box = boxCreate(278, 35, 122, 50); pixSetSelectCmap(pixd, box, 2, 255, 255, 100); pixcmapWriteStream(stderr, cmap); pixDisplay(pixd, 0, 0); pixSaveTiled(pixd, pixa, 1, 1, 20, 0); pixWrite("/tmp/junkthr13.png", pixd, IFF_PNG); pixDestroy(&pixd); boxDestroy(&box); /* test pixThreshold8() */ pixd = pixThreshold8(pixs, 1, 2, 1); /* cmap */ pixSaveTiled(pixd, pixa, 1, 1, 20, 0); pixWrite("/tmp/junkthr14.png", pixd, IFF_PNG); pixDisplay(pixd, 100, 0); pixDestroy(&pixd); pixd = pixThreshold8(pixs, 1, 2, 0); /* no cmap */ pixSaveTiled(pixd, pixa, 1, 0, 20, 0); pixWrite("/tmp/junkthr15.png", pixd, IFF_PNG); pixDisplay(pixd, 200, 0); pixDestroy(&pixd); pixd = pixThreshold8(pixs, 2, 3, 1); /* highlight one box */ pixSaveTiled(pixd, pixa, 1, 0, 20, 0); box = boxCreate(278, 35, 122, 50); pixSetSelectCmap(pixd, box, 2, 255, 255, 100); pixWrite("/tmp/junkthr16.png", pixd, IFF_PNG); pixDisplay(pixd, 300, 0); cmap = pixGetColormap(pixd); pixcmapWriteStream(stderr, cmap); boxDestroy(&box); pixDestroy(&pixd); pixd = pixThreshold8(pixs, 2, 4, 0); /* no cmap */ pixSaveTiled(pixd, pixa, 1, 0, 20, 0); pixWrite("/tmp/junkthr17.png", pixd, IFF_PNG); pixDisplay(pixd, 400, 0); pixDestroy(&pixd); pixd = pixThreshold8(pixs, 4, 6, 1); /* highlight one box */ box = boxCreate(278, 35, 122, 50); pixSetSelectCmap(pixd, box, 5, 255, 255, 100); pixSaveTiled(pixd, pixa, 1, 0, 20, 0); pixWrite("/tmp/junkthr18.png", pixd, IFF_PNG); cmap = pixGetColormap(pixd); pixcmapWriteStream(stderr, cmap); boxDestroy(&box); pixDisplay(pixd, 500, 0); pixDestroy(&pixd); pixd = pixThreshold8(pixs, 4, 6, 0); /* no cmap */ pixSaveTiled(pixd, pixa, 1, 0, 20, 0); pixWrite("/tmp/junkthr19.png", pixd, IFF_PNG); pixDisplay(pixd, 600, 0); pixDestroy(&pixd); /* highlight 4 bpp with 2 colormap entries */ /* Note: We use 5 levels (0-4) for gray. */ /* 5 & 6 are used for highlight color. */ pixd = pixThresholdTo4bpp(pixs, 5, 1); cmap = pixGetColormap(pixd); pixcmapGetIndex(cmap, 255, 255, 255, &index); box = boxCreate(278, 35, 122, 50); pixSetSelectCmap(pixd, box, index, 255, 255, 100); /* use 5 */ boxDestroy(&box); box = boxCreate(4, 6, 157, 33); pixSetSelectCmap(pixd, box, index, 100, 255, 255); /* use 6 */ boxDestroy(&box); pixcmapWriteStream(stderr, cmap); pixSaveTiled(pixd, pixa, 1, 1, 20, 0); pixDisplay(pixd, 700, 0); pixWrite("/tmp/junkthr20.png", pixd, IFF_PNG); pixDestroy(&pixd); /* comparison 8 bpp jpeg with 2 bpp (highlight) */ pixDestroy(&pixs); pixs = pixRead("feyn.tif"); pixt = pixScaleToGray4(pixs); pixt2 = pixReduceRankBinaryCascade(pixs, 2, 2, 0, 0); pixd = pixThresholdTo2bpp(pixt, 3, 1); box = boxCreate(175, 208, 228, 88); pixSetSelectCmap(pixd, box, 2, 255, 255, 100); pixDisplay(pixd, 100, 200); cmap = pixGetColormap(pixd); pixcmapWriteStream(stderr, cmap); pixSaveTiled(pixt, pixa, 1, 1, 20, 0); pixSaveTiled(pixt2, pixa, 1, 0, 20, 0); pixSaveTiled(pixd, pixa, 1, 0, 20, 0); pixWrite("/tmp/junkthr21.jpg", pixt, IFF_JFIF_JPEG); pixWrite("/tmp/junkthr22.png", pixt2, IFF_PNG); pixWrite("/tmp/junkthr23.png", pixd, IFF_PNG); pixDestroy(&pixd); pixDestroy(&pixt2); boxDestroy(&box); /* thresholding to 4 bpp (highlight); use pixt from above */ pixd = pixThresholdTo4bpp(pixt, NLEVELS, 1); box = boxCreate(175, 208, 228, 83); pixSetSelectCmap(pixd, box, NLEVELS - 1, 255, 255, 100); boxDestroy(&box); box = boxCreate(232, 298, 110, 25); pixSetSelectCmap(pixd, box, NLEVELS - 1, 100, 255, 255); boxDestroy(&box); box = boxCreate(21, 698, 246, 82); pixSetSelectCmap(pixd, box, NLEVELS - 1, 225, 100, 255); boxDestroy(&box); pixDisplay(pixd, 500, 200); cmap = pixGetColormap(pixd); pixcmapWriteStream(stderr, cmap); pixt2 = pixReduceRankBinaryCascade(pixs, 2, 2, 0, 0); pixSaveTiled(pixt2, pixa, 1, 1, 20, 0); pixSaveTiled(pixd, pixa, 1, 0, 20, 0); pixWrite("/tmp/junkthr24.png", pixt2, IFF_PNG); pixWrite("/tmp/junkthr25.png", pixd, IFF_PNG); pixDestroy(&pixt2); pixDestroy(&pixd); /* Thresholding to 4 bpp at 2, 3, 4, 5 and 6 levels */ box = boxCreate(25, 202, 136, 37); pixt1 = pixClipRectangle(pixt, box, NULL); pixt2 = pixScale(pixt1, 6., 6.); pixGetDimensions(pixt2, &w, &h, NULL); pixSaveTiled(pixt2, pixa, 1, 1, 20, 0); pixDisplay(pixt2, 0, 0); pixWrite("/tmp/junk-8.jpg", pixt2, IFF_JFIF_JPEG); pixd = pixCreate(w, 6 * h, 8); pixRasterop(pixd, 0, 0, w, h, PIX_SRC, pixt2, 0, 0); pixt3 = pixThresholdTo4bpp(pixt2, 6, 1); pixt4 = pixRemoveColormap(pixt3, REMOVE_CMAP_TO_GRAYSCALE); pixRasterop(pixd, 0, h, w, h, PIX_SRC, pixt4, 0, 0); pixSaveTiled(pixt3, pixa, 1, 0, 20, 0); pixDisplay(pixt3, 0, 100); pixWrite("/tmp/junk-4-6.png", pixt3, IFF_PNG); pixDestroy(&pixt3); pixDestroy(&pixt4); pixt3 = pixThresholdTo4bpp(pixt2, 5, 1); pixt4 = pixRemoveColormap(pixt3, REMOVE_CMAP_TO_GRAYSCALE); pixRasterop(pixd, 0, 2 * h, w, h, PIX_SRC, pixt4, 0, 0); pixSaveTiled(pixt3, pixa, 1, 0, 20, 0); pixDisplay(pixt3, 0, 200); pixWrite("/tmp/junk-4-5.png", pixt3, IFF_PNG); pixDestroy(&pixt3); pixDestroy(&pixt4); pixt3 = pixThresholdTo4bpp(pixt2, 4, 1); pixt4 = pixRemoveColormap(pixt3, REMOVE_CMAP_TO_GRAYSCALE); pixRasterop(pixd, 0, 3 * h, w, h, PIX_SRC, pixt4, 0, 0); pixSaveTiled(pixt3, pixa, 1, 0, 20, 0); pixDisplay(pixt3, 0, 300); pixWrite("/tmp/junk-4-4.png", pixt3, IFF_PNG); pixDestroy(&pixt3); pixDestroy(&pixt4); pixt3 = pixThresholdTo4bpp(pixt2, 3, 1); pixt4 = pixRemoveColormap(pixt3, REMOVE_CMAP_TO_GRAYSCALE); pixRasterop(pixd, 0, 4 * h, w, h, PIX_SRC, pixt4, 0, 0); pixSaveTiled(pixt3, pixa, 1, 1, 20, 0); pixDisplay(pixt3, 0, 400); pixWrite("/tmp/junk-4-3.png", pixt3, IFF_PNG); pixDestroy(&pixt3); pixDestroy(&pixt4); pixt3 = pixThresholdTo4bpp(pixt2, 2, 1); pixt4 = pixRemoveColormap(pixt3, REMOVE_CMAP_TO_GRAYSCALE); pixRasterop(pixd, 0, 5 * h, w, h, PIX_SRC, pixt4, 0, 0); pixDisplay(pixt3, 0, 500); pixSaveTiled(pixt3, pixa, 1, 0, 20, 0); pixWrite("/tmp/junk-4-2.png", pixt3, IFF_PNG); pixDestroy(&pixt3); pixDestroy(&pixt4); pixWrite("/tmp/junk-all.png", pixd, IFF_PNG); pixDestroy(&pixd); pixd2 = pixaDisplay(pixa, 0, 0); pixDisplay(pixd2, 100, 100); pixWrite("/tmp/junkpixd2.jpg", pixd2, IFF_JFIF_JPEG); pixDestroy(&pixd2); pixaDestroy(&pixa); #if 0 /* upscale 2x and threshold to 1 bpp; e.g., use test8.jpg */ startTimer(); pixd = pixScaleGray2xLIThresh(pixs, THRESHOLD); fprintf(stderr, " time for scale/dither = %7.3f sec\n", stopTimer()); pixWrite(fileout, pixd, IFF_PNG); pixDestroy(&pixd); #endif #if 0 /* upscale 4x and threshold to 1 bpp; e.g., use test8.jpg */ startTimer(); pixd = pixScaleGray4xLIThresh(pixs, THRESHOLD); fprintf(stderr, " time for scale/dither = %7.3f sec\n", stopTimer()); pixWrite(fileout, pixd, IFF_PNG); pixDestroy(&pixd); #endif boxDestroy(&box); pixDestroy(&pixt); pixDestroy(&pixt1); pixDestroy(&pixt2); pixDestroy(&pixs); /* Thresholding with fixed and arbitrary bin boundaries */ pixa = pixaCreate(0); pixs = pixRead("stampede2.jpg"); pixSaveTiled(pixs, pixa, 1, 1, 20, 8); pixt = pixThresholdTo4bpp(pixs, 5, 1); pixSaveTiled(pixt, pixa, 1, 0, 20, 0); pixDestroy(&pixt); pixt = pixThresholdTo4bpp(pixs, 7, 1); cmap = pixGetColormap(pixt); pixcmapWriteStream(stderr, cmap); pixSaveTiled(pixt, pixa, 1, 0, 20, 0); pixDestroy(&pixt); pixt = pixThresholdTo4bpp(pixs, 11, 1); pixSaveTiled(pixt, pixa, 1, 0, 20, 0); pixDestroy(&pixt); pixSaveTiled(pixs, pixa, 1, 1, 20, 8); str = "45 75 115 185"; pixt = pixThresholdGrayArb(pixs, str, 8, 0, 0, 0); pixSaveTiled(pixt, pixa, 1, 0, 20, 0); pixDestroy(&pixt); str = "38 65 85 115 160 210"; pixt = pixThresholdGrayArb(pixs, str, 8, 0, 1, 1); cmap = pixGetColormap(pixt); pixcmapWriteStream(stderr, cmap); pixSaveTiled(pixt, pixa, 1, 0, 20, 0); pixDestroy(&pixt); str = "38 60 75 90 110 130 155 185 208 239"; pixt = pixThresholdGrayArb(pixs, str, 8, 0, 0, 0); pixSaveTiled(pixt, pixa, 1, 0, 20, 0); pixDestroy(&pixt); pixSaveTiled(pixs, pixa, 1, 1, 20, 8); str = "45 75 115 185"; pixt = pixThresholdGrayArb(pixs, str, 0, 1, 0, 1); pixSaveTiled(pixt, pixa, 1, 0, 20, 0); pixDestroy(&pixt); str = "38 65 85 115 160 210"; pixt = pixThresholdGrayArb(pixs, str, 0, 1, 0, 1); cmap = pixGetColormap(pixt); pixcmapWriteStream(stderr, cmap); pixSaveTiled(pixt, pixa, 1, 0, 20, 0); pixDestroy(&pixt); str = "38 60 75 90 110 130 155 185 208 239"; pixt = pixThresholdGrayArb(pixs, str, 4, 1, 0, 1); pixSaveTiled(pixt, pixa, 1, 0, 20, 0); pixDestroy(&pixt); pixd3 = pixaDisplay(pixa, 0, 0); pixDisplay(pixd3, 100, 100); pixWrite("/tmp/junkpixd3.jpg", pixd3, IFF_JFIF_JPEG); pixDestroy(&pixd3); pixaDestroy(&pixa); pixDestroy(&pixs); return 0; }
main(int argc, char **argv) { char outname[256]; l_int32 loc, display, success; L_BMF *bmf, *bmftop; FILE *fp; PIX *pixs, *pixt, *pixd; PIX *pix1, *pix2, *pix3, *pix4, *pix5, *pix6, *pix7, *pix8; PIXA *pixa; if (regTestSetup(argc, argv, &fp, &display, &success, NULL)) return 1; bmf = bmfCreate("./fonts", 6); bmftop = bmfCreate("./fonts", 10); pixs = pixRead("lucasta-47.jpg"); pix1 = pixScale(pixs, 0.4, 0.4); /* 8 bpp grayscale */ pix2 = pixConvertTo32(pix1); /* 32 bpp rgb */ pix3 = pixThresholdOn8bpp(pix1, 12, 1); /* 8 bpp cmapped */ pix4 = pixThresholdTo4bpp(pix1, 10, 1); /* 4 bpp cmapped */ pix5 = pixThresholdTo4bpp(pix1, 10, 0); /* 4 bpp not cmapped */ pix6 = pixThresholdTo2bpp(pix1, 3, 1); /* 2 bpp cmapped */ pix7 = pixThresholdTo2bpp(pix1, 3, 0); /* 2 bpp not cmapped */ pix8 = pixThresholdToBinary(pix1, 160); /* 1 bpp */ for (loc = 1; loc < 5; loc++) { pixa = pixaCreate(0); AddTextAndSave(pixa, pix1, bmf, textstr[0], loc, 190); AddTextAndSave(pixa, pix2, bmf, textstr[1], loc, 0xff000000); AddTextAndSave(pixa, pix3, bmf, textstr[2], loc, 0x00ff0000); AddTextAndSave(pixa, pix4, bmf, textstr[3], loc, 0x0000ff00); AddTextAndSave(pixa, pix5, bmf, textstr[4], loc, 11); AddTextAndSave(pixa, pix6, bmf, textstr[5], loc, 0xff000000); AddTextAndSave(pixa, pix7, bmf, textstr[6], loc, 2); AddTextAndSave(pixa, pix8, bmf, textstr[7], loc, 1); pixt = pixaDisplay(pixa, 0, 0); pixd = pixAddSingleTextblock(pixt, bmftop, topstr[loc - 1], 0xff00ff00, L_ADD_ABOVE, NULL); snprintf(outname, 240, "/tmp/writetext.%d.png", loc - 1); pixWrite(outname, pixd, IFF_PNG); regTestCheckFile(fp, argv, outname, loc - 1, &success); pixDisplayWithTitle(pixd, 50 * loc, 50, NULL, display); pixDestroy(&pixt); pixDestroy(&pixd); pixaDestroy(&pixa); } pixDestroy(&pixs); pixDestroy(&pix1); pixDestroy(&pix2); pixDestroy(&pix3); pixDestroy(&pix4); pixDestroy(&pix5); pixDestroy(&pix6); pixDestroy(&pix7); pixDestroy(&pix8); bmfDestroy(&bmf); bmfDestroy(&bmftop); regTestCleanup(argc, argv, fp, success, NULL); return 0; }
main(int argc, char **argv) { char outname[256], buf[512]; l_int32 loc, i; L_BMF *bmf, *bmftop; PIX *pixs, *pixt, *pixd; PIX *pix1, *pix2, *pix3, *pix4, *pix5, *pix6, *pix7, *pix8; PIXA *pixa; L_REGPARAMS *rp; SARRAY *sa; if (regTestSetup(argc, argv, &rp)) return 1; bmf = bmfCreate("./fonts", 6); bmftop = bmfCreate("./fonts", 10); pixs = pixRead("lucasta-47.jpg"); pix1 = pixScale(pixs, 0.4, 0.4); /* 8 bpp grayscale */ pix2 = pixConvertTo32(pix1); /* 32 bpp rgb */ pix3 = pixThresholdOn8bpp(pix1, 12, 1); /* 8 bpp cmapped */ pix4 = pixThresholdTo4bpp(pix1, 10, 1); /* 4 bpp cmapped */ pix5 = pixThresholdTo4bpp(pix1, 10, 0); /* 4 bpp not cmapped */ pix6 = pixThresholdTo2bpp(pix1, 3, 1); /* 2 bpp cmapped */ pix7 = pixThresholdTo2bpp(pix1, 3, 0); /* 2 bpp not cmapped */ pix8 = pixThresholdToBinary(pix1, 160); /* 1 bpp */ for (loc = 1; loc < 5; loc++) { pixa = pixaCreate(0); AddTextAndSave(pixa, pix1, bmf, textstr[0], loc, 800); AddTextAndSave(pixa, pix2, bmf, textstr[1], loc, 0xff000000); AddTextAndSave(pixa, pix3, bmf, textstr[2], loc, 0x00ff0000); AddTextAndSave(pixa, pix4, bmf, textstr[3], loc, 0x0000ff00); AddTextAndSave(pixa, pix5, bmf, textstr[4], loc, 800); AddTextAndSave(pixa, pix6, bmf, textstr[5], loc, 0xff000000); AddTextAndSave(pixa, pix7, bmf, textstr[6], loc, 800); AddTextAndSave(pixa, pix8, bmf, textstr[7], loc, 800); pixt = pixaDisplay(pixa, 0, 0); pixd = pixAddSingleTextblock(pixt, bmftop, topstr[loc - 1], 0xff00ff00, L_ADD_ABOVE, NULL); regTestWritePixAndCheck(rp, pixd, IFF_PNG); /* 0 - 4 */ pixDisplayWithTitle(pixd, 50 * loc, 50, NULL, rp->display); pixDestroy(&pixt); pixDestroy(&pixd); pixaDestroy(&pixa); } pixDestroy(&pixs); pixDestroy(&pix1); pixDestroy(&pix2); pixDestroy(&pix3); pixDestroy(&pix4); pixDestroy(&pix5); pixDestroy(&pix6); pixDestroy(&pix7); pixDestroy(&pix8); bmfDestroy(&bmf); bmfDestroy(&bmftop); /* Write multiple lines in different colors, filling up * the colormap and requesting even more colors. */ pixs = pixRead("weasel4.11c.png"); pix1 = pixConvertTo8(pixs, 0); pix2 = pixScale(pixs, 8.0, 8.0); pix3 = pixQuantFromCmap(pix2, pixGetColormap(pixs), 4, 5, L_EUCLIDEAN_DISTANCE); regTestWritePixAndCheck(rp, pix3, IFF_PNG); /* 5 */ pixDisplayWithTitle(pix3, 0, 500, NULL, rp->display); bmf = bmfCreate("fonts", 10); sa = sarrayCreate(6); for (i = 0; i < 6; i++) { snprintf(buf, sizeof(buf), "This is textline %d\n", i); sarrayAddString(sa, buf, L_COPY); } for (i = 0; i < 6; i++) { pixSetTextline(pix3, bmf, sarrayGetString(sa, i, L_NOCOPY), colors[i], 50, 120 + 60 * i, NULL, NULL); } regTestWritePixAndCheck(rp, pix3, IFF_PNG); /* 6 */ pixDisplayWithTitle(pix3, 600, 500, NULL, rp->display); pixDestroy(&pixs); pixDestroy(&pix1); pixDestroy(&pix2); pixDestroy(&pix3); bmfDestroy(&bmf); sarrayDestroy(&sa); return regTestCleanup(rp); }