tif.c: Use palette/bilevel/LZW to reduce file size, alpha/CMYK support

backend/tests/test_tif.c

@@ -30,6 +30,7 @@
 /* vim: set ts=4 sw=4 et : */
 
 #include "testcommon.h"
+#include <sys/stat.h>
 
 INTERNAL int tif_pixel_plot(struct zint_symbol *symbol, unsigned char *pixelbuf);
 
@@ -68,24 +69,24 @@ static void test_pixel_plot(int index, int debug) {
         /* 13*/ { 3, 3, "101010101", 0 },
         /* 14*/ { 4, 3, "10", 1 },
         /* 15*/ { 3, 4, "10", 1 },
-        /* 16*/ { 52, 51, "10", 1 }, // Strip Count 1, Rows Per Strip 51 (52 * 51 * 3 == 7956)
-        /* 17*/ { 52, 52, "10", 1 }, // Strip Count 1, Rows Per Strip 52 (52 * 52 * 3 == 8112)
-        /* 18*/ { 53, 52, "10", 1 }, // Strip Count 2, Rows Per Strip 51 (53 * 51 * 3 == 8109)
-        /* 19*/ { 53, 53, "10", 1 }, // Strip Count 2, Rows Per Strip 51
-        /* 20*/ { 2730, 1, "10", 1 }, // Strip Count 1, Rows Per Strip 1 (2730 * 1 * 3 == 8190)
-        /* 21*/ { 1, 2730, "10", 1 }, // Strip Count 1, Rows Per Strip 2730
-        /* 22*/ { 2730, 2, "10", 1 }, // Strip Count 2, Rows Per Strip 1
-        /* 23*/ { 2, 2730, "10", 1 }, // Strip Count 2, Rows Per Strip 1365 (2 * 1365 * 3 == 8190)
-        /* 24*/ { 2730, 3, "10", 1 }, // Strip Count 3, Rows Per Strip 1
-        /* 25*/ { 3, 2730, "10", 1 }, // Strip Count 3, Rows Per Strip 910 (3 * 910 * 3 == 8190)
-        /* 26*/ { 2731, 4, "10", 1 }, // Strip Count 4, Rows Per Strip 1 (2731 * 1 * 3 == 8193) - large rows in 1 strip, even if > 8192
-        /* 27*/ { 4, 2731, "10", 1 }, // Strip Count 5, Rows Per Strip 682 (4 * 682 * 3 == 8184)
+        /* 16*/ { 45, 44, "10", 1 }, // Strip Count 1, Rows Per Strip 44 (45 * 44 * 4 == 7920)
+        /* 17*/ { 45, 45, "10", 1 }, // Strip Count 1, Rows Per Strip 45 (45 * 45 * 4 == 8100)
+        /* 18*/ { 46, 45, "10", 1 }, // Strip Count 2, Rows Per Strip 44 (46 * 45 * 4 == 8280)
+        /* 19*/ { 46, 46, "10", 1 }, // Strip Count 2, Rows Per Strip 44
+        /* 20*/ { 2048, 1, "10", 1 }, // Strip Count 1, Rows Per Strip 1 (2048 * 4 == 8192)
+        /* 21*/ { 1, 2048, "10", 1 }, // Strip Count 1, Rows Per Strip 2048
+        /* 22*/ { 2048, 2, "10", 1 }, // Strip Count 2, Rows Per Strip 1
+        /* 23*/ { 2, 2048, "10", 1 }, // Strip Count 2, Rows Per Strip 1024 (2 * 1024 * 4 == 8192)
+        /* 24*/ { 2048, 3, "10", 1 }, // Strip Count 3, Rows Per Strip 1
+        /* 25*/ { 3, 2048, "10", 1 }, // Strip Count 4, Rows Per Strip 682 ((3 * 682 + 2) * 4 == 8192)
+        /* 26*/ { 2049, 4, "10", 1 }, // Strip Count 4, Rows Per Strip 1 (2049 * 1 * 4 == 8196) - large rows in 1 strip, even if > 8192
+        /* 27*/ { 4, 2049, "10", 1 }, // Strip Count 5, Rows Per Strip 512 ((4 * 512 + 1) * 4 == 8196)
     };
     int data_size = ARRAY_SIZE(data);
 
     char *tif = "out.tif";
 
-    char data_buf[2731 * 4 + 1];
+    char data_buf[65536];
 
     for (int i = 0; i < data_size; i++) {
 
@@ -98,10 +99,11 @@ static void test_pixel_plot(int index, int debug) {
 
         symbol->bitmap_width = data[i].width;
         symbol->bitmap_height = data[i].height;
+        strcpy(symbol->bgcolour, "FFFFFFEE"); // Use alpha background to force RGB
         symbol->debug |= debug;
 
         int size = data[i].width * data[i].height;
-        assert_nonzero(size < (int) sizeof(data_buf), "i:%d tif_pixel_plot size %d < sizeof(data_buf) %d\n", i, size, (int) sizeof(data_buf));
+        assert_nonzero(size < (int) sizeof(data_buf), "i:%d tif_pixel_plot size %d >= sizeof(data_buf) %d\n", i, size, (int) sizeof(data_buf));
 
         if (data[i].repeat) {
             testUtilStrCpyRepeat(data_buf, data[i].pattern, size);
@@ -130,10 +132,138 @@ static void test_pixel_plot(int index, int debug) {
     testFinish();
 }
 
+static void test_print(int index, int generate, int debug) {
+
+    testStart("");
+
+    int have_identify = testUtilHaveIdentify();
+
+    int ret;
+    struct item {
+        int symbology;
+        int input_mode;
+        int border_width;
+        int output_options;
+        int whitespace_width;
+        int show_hrt;
+        int option_1;
+        int option_2;
+        int height;
+        float scale;
+        char *fgcolour;
+        char *bgcolour;
+        char *data;
+        char *composite;
+        char *expected_file;
+        char *comment;
+    };
+    struct item data[] = {
+        /*  0*/ { BARCODE_CODE128, -1, -1, -1, 1, -1, -1, -1, 0, 0, "112233", "EEDDCC", "A", "", "../data/tif/code128_fgbg.tif", "" },
+        /*  1*/ { BARCODE_CODE128, -1, -1, -1, 1, -1, -1, -1, 0, 0, "C00000", "FEDCBACC", "A", "", "../data/tif/code128_bgalpha.tif", "" },
+        /*  2*/ { BARCODE_CODE128, -1, -1, -1, 1, -1, -1, -1, 0, 0, "00000099", "FEDCBA", "A", "", "../data/tif/code128_fgalpha.tif", "" },
+        /*  3*/ { BARCODE_CODE128, -1, -1, -1, 1, -1, -1, -1, 0, 0, "00000099", "FEDCBACC", "A", "", "../data/tif/code128_fgbgalpha.tif", "" },
+        /*  4*/ { BARCODE_CODE128, -1, -1, CMYK_COLOUR, 1, -1, -1, -1, 0, 0, "C00000", "FEDCBA", "A", "", "../data/tif/code128_cmyk.tif", "" },
+        /*  5*/ { BARCODE_CODE128, -1, -1, CMYK_COLOUR, 1, -1, -1, -1, 0, 0, "C0000099", "FEDCBACC", "A", "", "../data/tif/code128_cmyk_fgbgalpha.tif", "" },
+        /*  6*/ { BARCODE_ULTRA, -1, -1, -1, 1, -1, -1, -1, 0, 0, "C00000", "FEDCBACC", "1234", "", "../data/tif/ultra_bgalpha.tif", "" },
+        /*  7*/ { BARCODE_ULTRA, -1, -1, -1, 1, -1, -1, -1, 0, 0, "000000BB", "FEDCBA", "1234", "", "../data/tif/ultra_fgalpha.tif", "" },
+        /*  8*/ { BARCODE_ULTRA, -1, -1, -1, 1, -1, -1, -1, 0, 0, "000000BB", "FEDCBACC", "1234", "", "../data/tif/ultra_fgbgalpha.tif", "" },
+        /*  9*/ { BARCODE_ULTRA, -1, -1, -1, 1, -1, -1, -1, 0, 0, "000000BB", "", "1234", "", "../data/tif/ultra_fgalpha_nobg.tif", "" },
+        /* 10*/ { BARCODE_ULTRA, -1, -1, -1, 1, -1, -1, -1, 0, 0, "", "FEDCBACC", "1234", "", "../data/tif/ultra_bgalpha_nofg.tif", "" },
+        /* 11*/ { BARCODE_ULTRA, -1, -1, -1, -1, -1, -1, -1, 0, 0.5f, "", "", "1", "", "../data/tif/ultra_odd.tif", "" },
+        /* 12*/ { BARCODE_HANXIN, UNICODE_MODE, -1, -1, -1, -1, 4, 84, 0, 2, "", "", "1", "", "../data/tif/hanxin_v84_l4_scale2.tif", "" },
+        /* 13*/ { BARCODE_AZTEC, -1, -1, -1, -1, -1, -1, 32, 0, 0, "4BE055", "", "1", "", "../data/tif/aztec_v32_fg.tif", "" },
+        /* 14*/ { BARCODE_DAFT, -1, -1, -1, -1, -1, -1, -1, 1, 0.5f, "", "", "F", "", "../data/tif/daft_scale0.5.tif", "" },
+    };
+    int data_size = ARRAY_SIZE(data);
+
+    char *data_dir = "../data/tif";
+    char *tif = "out.tif";
+    char escaped[1024];
+    int escaped_size = 1024;
+    char *text;
+
+    if (generate) {
+        if (!testUtilExists(data_dir)) {
+            ret = mkdir(data_dir, 0755);
+            assert_zero(ret, "mkdir(%s) ret %d != 0\n", data_dir, ret);
+        }
+    }
+
+    for (int i = 0; i < data_size; i++) {
+
+        if (index != -1 && i != index) continue;
+
+        struct zint_symbol* symbol = ZBarcode_Create();
+        assert_nonnull(symbol, "Symbol not created\n");
+
+        int length = testUtilSetSymbol(symbol, data[i].symbology, data[i].input_mode, -1 /*eci*/, data[i].option_1, data[i].option_2, -1, data[i].output_options, data[i].data, -1, debug);
+        if (data[i].show_hrt != -1) {
+            symbol->show_hrt = data[i].show_hrt;
+        }
+        if (data[i].height) {
+            symbol->height = data[i].height;
+        }
+        if (data[i].scale) {
+            symbol->scale = data[i].scale;
+        }
+        if (data[i].border_width != -1) {
+            symbol->border_width = data[i].border_width;
+        }
+        if (data[i].whitespace_width != -1) {
+            symbol->whitespace_width = data[i].whitespace_width;
+        }
+        if (*data[i].fgcolour) {
+            strcpy(symbol->fgcolour, data[i].fgcolour);
+        }
+        if (*data[i].bgcolour) {
+            strcpy(symbol->bgcolour, data[i].bgcolour);
+        }
+        if (strlen(data[i].composite)) {
+            text = data[i].composite;
+            strcpy(symbol->primary, data[i].data);
+        } else {
+            text = data[i].data;
+        }
+        int text_length = strlen(text);
+
+        ret = ZBarcode_Encode(symbol, (unsigned char *) text, text_length);
+        assert_zero(ret, "i:%d %s ZBarcode_Encode ret %d != 0 %s\n", i, testUtilBarcodeName(data[i].symbology), ret, symbol->errtxt);
+
+        strcpy(symbol->outfile, tif);
+        ret = ZBarcode_Print(symbol, 0);
+        assert_zero(ret, "i:%d %s ZBarcode_Print %s ret %d != 0\n", i, testUtilBarcodeName(data[i].symbology), symbol->outfile, ret);
+
+        if (generate) {
+            printf("        /*%3d*/ { %s, %s, %d, %s, %d, %d, %d, %d, %d, %.5g, \"%s\",\"%s\",  \"%s\", \"%s\", \"%s\", \"%s\" },\n",
+                    i, testUtilBarcodeName(data[i].symbology), testUtilInputModeName(data[i].input_mode), data[i].border_width, testUtilOutputOptionsName(data[i].output_options),
+                    data[i].whitespace_width, data[i].show_hrt, data[i].option_1, data[i].option_2, data[i].height, data[i].scale, data[i].fgcolour, data[i].bgcolour,
+                    testUtilEscape(data[i].data, length, escaped, escaped_size), data[i].composite, data[i].expected_file, data[i].comment);
+            ret = rename(symbol->outfile, data[i].expected_file);
+            assert_zero(ret, "i:%d rename(%s, %s) ret %d != 0\n", i, symbol->outfile, data[i].expected_file, ret);
+            if (have_identify) {
+                ret = testUtilVerifyIdentify(data[i].expected_file, debug);
+                assert_zero(ret, "i:%d %s identify %s ret %d != 0\n", i, testUtilBarcodeName(data[i].symbology), data[i].expected_file, ret);
+            }
+        } else {
+            assert_nonzero(testUtilExists(symbol->outfile), "i:%d testUtilExists(%s) == 0\n", i, symbol->outfile);
+            assert_nonzero(testUtilExists(data[i].expected_file), "i:%d testUtilExists(%s) == 0\n", i, data[i].expected_file);
+
+            ret = testUtilCmpBins(symbol->outfile, data[i].expected_file);
+            assert_zero(ret, "i:%d %s testUtilCmpBins(%s, %s) %d != 0\n", i, testUtilBarcodeName(data[i].symbology), symbol->outfile, data[i].expected_file, ret);
+            assert_zero(remove(symbol->outfile), "i:%d remove(%s) != 0\n", i, symbol->outfile);
+        }
+
+        ZBarcode_Delete(symbol);
+    }
+
+    testFinish();
+}
+
 int main(int argc, char *argv[]) {
 
     testFunction funcs[] = { /* name, func, has_index, has_generate, has_debug */
         { "test_pixel_plot", test_pixel_plot, 1, 0, 1 },
+        { "test_print", test_print, 1, 1, 1 },
     };
 
     testRun(argc, argv, funcs, ARRAY_SIZE(funcs));