mirror of
https://git.code.sf.net/p/zint/code
synced 2025-05-31 15:18:29 -04:00
code reworked
This commit is contained in:
openapc
parent
f48d7ab6a6
commit
bf2dbe7494
26 changed files with 284 additions and 499 deletions
103
backend/svg.c
103
backend/svg.c
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@ -3,20 +3,6 @@
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/*
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libzint - the open source barcode library
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Copyright (C) 2009 Robin Stuart <robin@zint.org.uk>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <locale.h>
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@ -32,8 +18,6 @@ int svg_plot(struct zint_symbol *symbol)
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int i, block_width, latch, r, this_row;
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float textpos, large_bar_height, preset_height, row_height, row_posn = 0.0;
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FILE *fsvg;
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int fgred, fggrn, fgblu, bgred, bggrn, bgblu;
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float red_ink, green_ink, blue_ink, red_paper, green_paper, blue_paper;
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int error_number = 0;
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int textoffset, xoffset, yoffset, textdone, main_width;
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char textpart[10], addon[6];
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@ -43,14 +27,14 @@ int svg_plot(struct zint_symbol *symbol)
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float default_text_posn;
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int plot_text = 1;
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const char *locale = NULL;
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row_height=0;
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textdone = 0;
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main_width = symbol->width;
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strcpy(addon, "");
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comp_offset = 0;
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addon_text_posn = 0.0;
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if((symbol->output_options & BARCODE_STDOUT) != 0) {
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fsvg = stdout;
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} else {
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@ -60,11 +44,11 @@ int svg_plot(struct zint_symbol *symbol)
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strcpy(symbol->errtxt, "Could not open output file");
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return ERROR_FILE_ACCESS;
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}
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/* sort out colour options */
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to_upper((unsigned char*)symbol->fgcolour);
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to_upper((unsigned char*)symbol->bgcolour);
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if(strlen(symbol->fgcolour) != 6) {
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strcpy(symbol->errtxt, "Malformed foreground colour target");
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return ERROR_INVALID_OPTION;
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@ -85,23 +69,10 @@ int svg_plot(struct zint_symbol *symbol)
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}
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locale = setlocale(LC_ALL, "C");
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fgred = (16 * ctoi(symbol->fgcolour[0])) + ctoi(symbol->fgcolour[1]);
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fggrn = (16 * ctoi(symbol->fgcolour[2])) + ctoi(symbol->fgcolour[3]);
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fgblu = (16 * ctoi(symbol->fgcolour[4])) + ctoi(symbol->fgcolour[5]);
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bgred = (16 * ctoi(symbol->bgcolour[0])) + ctoi(symbol->bgcolour[1]);
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bggrn = (16 * ctoi(symbol->bgcolour[2])) + ctoi(symbol->bgcolour[3]);
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bgblu = (16 * ctoi(symbol->bgcolour[4])) + ctoi(symbol->bgcolour[5]);
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red_ink = fgred / 256.0;
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green_ink = fggrn / 256.0;
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blue_ink = fgblu / 256.0;
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red_paper = bgred / 256.0;
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green_paper = bggrn / 256.0;
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blue_paper = bgblu / 256.0;
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if (symbol->height == 0) {
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symbol->height = 50;
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}
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large_bar_count = 0;
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preset_height = 0.0;
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for(i = 0; i < symbol->rows; i++) {
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@ -115,7 +86,7 @@ int svg_plot(struct zint_symbol *symbol)
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if (large_bar_count == 0) {
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symbol->height = preset_height;
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}
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while(!(module_is_set(symbol, symbol->rows - 1, comp_offset))) {
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comp_offset++;
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}
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@ -136,21 +107,21 @@ int svg_plot(struct zint_symbol *symbol)
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main_width = 68 + comp_offset;
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}
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}
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if (((symbol->symbology == BARCODE_UPCA) && (symbol->rows == 1)) || (symbol->symbology == BARCODE_UPCA_CC)) {
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if(symbol->whitespace_width == 0) {
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symbol->whitespace_width = 10;
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main_width = 96 + comp_offset;
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}
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}
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if (((symbol->symbology == BARCODE_UPCE) && (symbol->rows == 1)) || (symbol->symbology == BARCODE_UPCE_CC)) {
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if(symbol->whitespace_width == 0) {
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symbol->whitespace_width = 10;
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main_width = 51 + comp_offset;
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}
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}
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latch = 0;
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r = 0;
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/* Isolate add-on text */
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@ -166,7 +137,7 @@ int svg_plot(struct zint_symbol *symbol)
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}
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}
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addon[r] = '\0';
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if((symbol->show_hrt == 0) || (ustrlen(symbol->text) == 0)) {
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plot_text = 0;
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}
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@ -177,7 +148,7 @@ int svg_plot(struct zint_symbol *symbol)
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}
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xoffset = symbol->border_width + symbol->whitespace_width;
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yoffset = symbol->border_width;
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/* Start writing the header */
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fprintf(fsvg, "<?xml version=\"1.0\" standalone=\"no\"?>\n");
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fprintf(fsvg, "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\"\n");
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@ -211,8 +182,8 @@ int svg_plot(struct zint_symbol *symbol)
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if(symbol->symbology == BARCODE_MAXICODE) {
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/* Maxicode uses hexagons */
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float ax, ay, bx, by, cx, cy, dx, dy, ex, ey, fx, fy, mx, my;
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textoffset = 0.0;
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if (((symbol->output_options & BARCODE_BOX) != 0) || ((symbol->output_options & BARCODE_BIND) != 0)) {
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fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", 0.0, 0.0, (74.0 + xoffset + xoffset) * scaler, symbol->border_width * scaler);
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@ -255,13 +226,13 @@ int svg_plot(struct zint_symbol *symbol)
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}
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}
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}
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}
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}
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if(symbol->symbology != BARCODE_MAXICODE) {
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/* everything else uses rectangles (or squares) */
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/* Works from the bottom of the symbol up */
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int addon_latch = 0;
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for(r = 0; r < symbol->rows; r++) {
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this_row = r;
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if(symbol->row_height[this_row] == 0) {
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@ -278,14 +249,14 @@ int svg_plot(struct zint_symbol *symbol)
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}
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}
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row_posn += yoffset;
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i = 0;
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if(module_is_set(symbol, this_row, 0)) {
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latch = 1;
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} else {
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latch = 0;
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}
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do {
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block_width = 0;
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do {
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@ -294,8 +265,8 @@ int svg_plot(struct zint_symbol *symbol)
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if((addon_latch == 0) && (r == (symbol->rows - 1)) && (i > main_width)) {
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addon_text_posn = (row_posn + 8.0) * scaler;
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addon_latch = 1;
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}
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if(latch == 1) {
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}
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if(latch == 1) {
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/* a bar */
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if(addon_latch == 0) {
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fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (i + xoffset) * scaler, row_posn * scaler, block_width * scaler, row_height * scaler);
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@ -308,7 +279,7 @@ int svg_plot(struct zint_symbol *symbol)
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latch = 1;
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}
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i += block_width;
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} while (i < symbol->width);
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}
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}
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@ -330,7 +301,7 @@ int svg_plot(struct zint_symbol *symbol)
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fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (32 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
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fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (34 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
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fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (64 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
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fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (66 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
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fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (66 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
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for(i = 0; i < 4; i++) {
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textpart[i] = symbol->text[i];
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}
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@ -351,7 +322,7 @@ int svg_plot(struct zint_symbol *symbol)
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fprintf(fsvg, " </text>\n");
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textdone = 1;
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switch(strlen(addon)) {
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case 2:
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case 2:
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textpos = xoffset + 86;
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fprintf(fsvg, " <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", textpos * scaler, addon_text_posn * scaler);
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fprintf(fsvg, " font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 11.0 * scaler, symbol->fgcolour);
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@ -376,7 +347,7 @@ int svg_plot(struct zint_symbol *symbol)
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fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (46 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
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fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (48 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
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fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (92 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
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fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (94 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
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fprintf(fsvg, " <rect x=\"%.2f\" y=\"%.2f\" width=\"%.2f\" height=\"%.2f\" />\n", (94 + xoffset) * scaler, row_posn, scaler, 5.0 * scaler);
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textpart[0] = symbol->text[0];
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textpart[1] = '\0';
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textpos = -7;
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@ -404,7 +375,7 @@ int svg_plot(struct zint_symbol *symbol)
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fprintf(fsvg, " </text>\n");
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textdone = 1;
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switch(strlen(addon)) {
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case 2:
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case 2:
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textpos = xoffset + 114;
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fprintf(fsvg, " <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", textpos * scaler, addon_text_posn * scaler);
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fprintf(fsvg, " font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 11.0 * scaler, symbol->fgcolour);
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@ -422,12 +393,12 @@ int svg_plot(struct zint_symbol *symbol)
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break;
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}
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}
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}
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if (((symbol->symbology == BARCODE_UPCA) && (symbol->rows == 1)) || (symbol->symbology == BARCODE_UPCA_CC)) {
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/* guard bar extensions and text formatting for UPCA */
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latch = 1;
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i = 0 + comp_offset;
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do {
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block_width = 0;
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@ -497,7 +468,7 @@ int svg_plot(struct zint_symbol *symbol)
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fprintf(fsvg, " </text>\n");
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textdone = 1;
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switch(strlen(addon)) {
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case 2:
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case 2:
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textpos = xoffset + 116;
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fprintf(fsvg, " <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", textpos * scaler, addon_text_posn * scaler);
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fprintf(fsvg, " font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 11.0 * scaler, symbol->fgcolour);
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@ -513,7 +484,7 @@ int svg_plot(struct zint_symbol *symbol)
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break;
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}
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}
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}
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if (((symbol->symbology == BARCODE_UPCE) && (symbol->rows == 1)) || (symbol->symbology == BARCODE_UPCE_CC)) {
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/* guard bar extensions and text formatting for UPCE */
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@ -547,7 +518,7 @@ int svg_plot(struct zint_symbol *symbol)
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fprintf(fsvg, " </text>\n");
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textdone = 1;
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switch(strlen(addon)) {
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case 2:
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case 2:
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textpos = xoffset + 70;
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fprintf(fsvg, " <text x=\"%.2f\" y=\"%.2f\" text-anchor=\"middle\"\n", textpos * scaler, addon_text_posn * scaler);
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fprintf(fsvg, " font-family=\"Helvetica\" font-size=\"%.1f\" fill=\"#%s\" >\n", 11.0 * scaler, symbol->fgcolour);
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@ -592,7 +563,7 @@ int svg_plot(struct zint_symbol *symbol)
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}
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break;
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}
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/* Put the human readable text at the bottom */
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if(plot_text && (textdone == 0)) {
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textpos = symbol->width / 2.0;
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@ -603,12 +574,16 @@ int svg_plot(struct zint_symbol *symbol)
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}
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fprintf(fsvg, " </g>\n");
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fprintf(fsvg, "</svg>\n");
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fclose(fsvg);
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if(symbol->output_options & BARCODE_STDOUT) {
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fflush(fsvg);
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} else {
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fclose(fsvg);
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}
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if (locale)
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setlocale(LC_ALL, locale);
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return error_number;
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}
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