mirror of
https://github.com/zint/zint
synced 2024-11-16 20:57:25 +13:00
Add size restrictions for some barcode types
No longer allows symbols of size less than 2mm high or 2mm wide Enforces correct sizing for Australia Post, Intelligent Mail, Royal Mail 4-State and KIX Code Adjusts ascender/tracker/descender proportions on all 4-state codes to revised 3/2/3 standards Enforces normative sizing for UPC and EAN Enforces minimum sizing for Codabar and Code 49 Tidies up the code a bit so that all of the above makes some sense
This commit is contained in:
parent
0f81737e2a
commit
2300a76a07
@ -236,9 +236,9 @@ int australia_post(struct zint_symbol *symbol, unsigned char source[], int lengt
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writer += 2;
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}
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symbol->row_height[0] = 4;
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symbol->row_height[0] = 3;
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symbol->row_height[1] = 2;
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symbol->row_height[2] = 4;
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symbol->row_height[2] = 3;
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symbol->rows = 3;
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symbol->width = writer - 1;
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@ -690,9 +690,9 @@ int imail(struct zint_symbol *symbol, unsigned char source[], int length)
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read += 2;
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}
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symbol->row_height[0] = 2;
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symbol->row_height[0] = 3;
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symbol->row_height[1] = 2;
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symbol->row_height[2] = 2;
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symbol->row_height[2] = 3;
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symbol->rows = 3;
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symbol->width = read - 1;
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@ -349,9 +349,9 @@ int royal_plot(struct zint_symbol *symbol, unsigned char source[], int length)
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writer += 2;
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}
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symbol->row_height[0] = 4;
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symbol->row_height[0] = 3;
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symbol->row_height[1] = 2;
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symbol->row_height[2] = 4;
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symbol->row_height[2] = 3;
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symbol->rows = 3;
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symbol->width = writer - 1;
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@ -409,9 +409,9 @@ int kix_code(struct zint_symbol *symbol, unsigned char source[], int length)
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writer += 2;
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}
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symbol->row_height[0] = 4;
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symbol->row_height[0] = 3;
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symbol->row_height[1] = 2;
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symbol->row_height[2] = 4;
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symbol->row_height[2] = 3;
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symbol->rows = 3;
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symbol->width = writer - 1;
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@ -463,9 +463,9 @@ int daft_code(struct zint_symbol *symbol, unsigned char source[], int length)
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writer += 2;
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}
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symbol->row_height[0] = 4;
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symbol->row_height[0] = 3;
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symbol->row_height[1] = 2;
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symbol->row_height[2] = 4;
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symbol->row_height[2] = 3;
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symbol->rows = 3;
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symbol->width = writer - 1;
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@ -593,9 +593,9 @@ int japan_post(struct zint_symbol *symbol, unsigned char source[], int length)
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writer += 2;
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}
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symbol->row_height[0] = 2;
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symbol->row_height[0] = 3;
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symbol->row_height[1] = 2;
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symbol->row_height[2] = 2;
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symbol->row_height[2] = 3;
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symbol->rows = 3;
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symbol->width = writer - 1;
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214
backend/render.c
214
backend/render.c
@ -31,6 +31,8 @@
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#include <stdio.h>
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#include "common.h"
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#define GL_CONST 2.8346
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struct zint_render_line *render_plot_create_line(float x, float y, float width, float length);
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int render_plot_add_line(struct zint_symbol *symbol, struct zint_render_line *line, struct zint_render_line **last_line);
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struct zint_render_ring *render_plot_create_ring(float x, float y, float radius, float line_width);
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@ -51,17 +53,18 @@ int render_plot(struct zint_symbol *symbol, float width, float height)
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int i, r, block_width, latch, this_row;
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float textpos, textwidth, large_bar_height, preset_height, row_height, row_posn = 0.0;
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// int error_number = 0;
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int textoffset, textheight, xoffset, yoffset, textdone, main_width, addon_width;
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int text_offset, text_height, xoffset, yoffset, textdone, main_symbol_width_x, addon_width_x;
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char addon[6], textpart[10];
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int large_bar_count, comp_offset;
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int large_bar_count, symbol_lead_in, total_symbol_width_x, total_area_width_x;
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float addon_text_posn;
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float default_text_posn;
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float scaler;
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const char *locale = NULL;
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int hide_text = 0;
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float required_aspect;
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float symbol_aspect;
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float x_spacer, y_spacer;
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float symbol_aspect = 1;
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float x_dimension;
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int upceanflag = 0;
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// Allocate memory for the rendered version
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render = symbol->rendered = malloc(sizeof(struct zint_render));
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@ -75,11 +78,11 @@ int render_plot(struct zint_symbol *symbol, float width, float height)
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row_height = 0;
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textdone = 0;
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textpos = 0.0;
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main_width = symbol->width;
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main_symbol_width_x = symbol->width;
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strcpy(addon, "");
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comp_offset = 0;
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symbol_lead_in = 0;
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addon_text_posn = 0.0;
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addon_width = 0;
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addon_width_x = 0;
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/*
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* Determine if there will be any addon texts and text height
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@ -102,10 +105,10 @@ int render_plot(struct zint_symbol *symbol, float width, float height)
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if((!symbol->show_hrt) || (ustrlen(symbol->text) == 0)) {
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hide_text = 1;
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textheight = textoffset = 0.0;
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text_height = text_offset = 0.0;
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} else {
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textheight = 9.0;
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textoffset = 2.0;
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text_height = 9.0;
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text_offset = 2.0;
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}
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@ -114,8 +117,8 @@ int render_plot(struct zint_symbol *symbol, float width, float height)
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* borders or white space to add.
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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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while(!(module_is_set(symbol, symbol->rows - 1, symbol_lead_in))) {
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symbol_lead_in++;
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}
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/* Certain symbols need whitespace otherwise characters get chopped off the sides */
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@ -128,65 +131,74 @@ int render_plot(struct zint_symbol *symbol, float width, float height)
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if(symbol->whitespace_width == 0) {
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symbol->whitespace_width = 10;
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}
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main_width = 96 + comp_offset;
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main_symbol_width_x = 96 + symbol_lead_in;
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upceanflag = 13;
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break;
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case 2:
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main_width = 22 + comp_offset;
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main_symbol_width_x = 22 + symbol_lead_in;
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upceanflag = 2;
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break;
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case 5:
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main_width = 49 + comp_offset;
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main_symbol_width_x = 49 + symbol_lead_in;
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upceanflag = 5;
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break;
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default:
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main_width = 68 + comp_offset;
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main_symbol_width_x = 68 + symbol_lead_in;
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upceanflag = 8;
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}
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switch(ustrlen(symbol->text)) {
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case 11:
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case 16:
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/* EAN-2 add-on */
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addon_width = 31;
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addon_width_x = 31;
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break;
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case 14:
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case 19:
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/* EAN-5 add-on */
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addon_width = 58;
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addon_width_x = 58;
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break;
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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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upceanflag = 12;
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if(symbol->whitespace_width < 10) {
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symbol->whitespace_width = 10;
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main_width = 96 + comp_offset;
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main_symbol_width_x = 96 + symbol_lead_in;
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}
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switch(ustrlen(symbol->text)) {
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case 15:
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/* EAN-2 add-on */
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addon_width = 31;
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addon_width_x = 31;
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break;
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case 18:
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/* EAN-5 add-on */
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addon_width = 58;
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addon_width_x = 58;
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break;
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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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upceanflag = 6;
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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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main_symbol_width_x = 51 + symbol_lead_in;
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}
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switch(ustrlen(symbol->text)) {
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case 11:
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/* EAN-2 add-on */
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addon_width = 31;
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addon_width_x = 31;
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break;
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case 14:
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/* EAN-5 add-on */
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addon_width = 58;
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addon_width_x = 58;
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break;
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}
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}
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total_symbol_width_x = main_symbol_width_x + addon_width_x;
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total_area_width_x = total_symbol_width_x + (2 * (symbol->border_width + symbol->whitespace_width));
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xoffset = symbol->border_width + symbol->whitespace_width;
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yoffset = symbol->border_width;
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@ -202,42 +214,111 @@ int render_plot(struct zint_symbol *symbol, float width, float height)
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if (large_bar_count == 0) {
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required_aspect = width / height;
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symbol_aspect = (main_width + addon_width + (2 * xoffset)) / (preset_height + (2 * yoffset) + textoffset + textheight);
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symbol_aspect = (total_symbol_width_x + (2 * xoffset)) / (preset_height + (2 * yoffset) + text_offset + text_height);
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symbol->height = preset_height;
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if (required_aspect > symbol_aspect) {
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/* horizontal padding is required */
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scaler = height / (preset_height + (2 * yoffset) + textoffset + textheight);
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x_spacer = ((width / scaler) - (main_width + addon_width + (2 * xoffset))) / 2;
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y_spacer = 0.0;
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/* the area is too wide */
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scaler = height / (preset_height + (2 * yoffset) + text_offset + text_height);
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render->width = symbol_aspect * height;
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render->height = height;
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} else {
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/* vertical padding is required */
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scaler = width / (main_width + addon_width + (2 * xoffset));
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y_spacer = ((height / scaler) - (preset_height + (2 * yoffset) + textoffset + textheight)) / 2;
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x_spacer = 0.0;
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/* the area is too high */
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scaler = width / (total_symbol_width_x + (2 * xoffset));
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render->width = width;
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render->height = width / symbol_aspect;
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}
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} else {
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scaler = width / (main_width + addon_width + (2 * xoffset));
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symbol->height = (height / scaler) - ((2 * yoffset) + textoffset + textheight);
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scaler = width / (total_symbol_width_x + (2 * xoffset));
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symbol->height = (height / scaler) - ((2 * yoffset) + text_offset + text_height);
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x_spacer = 0.0;
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y_spacer = 0.0;
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render->width = width;
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render->height = height;
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}
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large_bar_height = (symbol->height - preset_height) / large_bar_count;
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// Set initial render dimensions
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render->width = width;
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render->height = height;
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if(((symbol->output_options & BARCODE_BOX) != 0) || ((symbol->output_options & BARCODE_BIND) != 0)) {
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default_text_posn = (symbol->height + textoffset + symbol->border_width + symbol->border_width) * scaler;
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default_text_posn = (symbol->height + text_offset + symbol->border_width + symbol->border_width) * scaler;
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} else {
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default_text_posn = (symbol->height + textoffset + symbol->border_width) * scaler;
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default_text_posn = (symbol->height + text_offset + symbol->border_width) * scaler;
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}
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x_dimension = render->width / total_area_width_x;
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x_dimension /= GL_CONST;
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/* Set minimum size of symbol */
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/* Barcode must be at least 2mm high by 2mm across */
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if(render->height < ((x_dimension * ((2 * symbol->border_width) + text_offset + text_height)) + 2.0) * GL_CONST) {
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render->height = ((x_dimension * ((2 * symbol->border_width) + text_offset + text_height)) + 2.0) * GL_CONST;
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}
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if(render->width < (2.0 * GL_CONST)) {
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render->width = (2.0 * GL_CONST);
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}
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if(symbol->symbology == BARCODE_CODABAR) {
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/* The minimum X-dimension of Codabar is 0.191mm. The minimum bar height is 5mm */
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if(x_dimension < 0.191) {
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render->width = 0.191 * GL_CONST * total_area_width_x;
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}
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if(render->height < ((x_dimension * ((2 * symbol->border_width) + text_offset + text_height)) + 5.0) * GL_CONST) {
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render->height = ((x_dimension * ((2 * symbol->border_width) + text_offset + text_height)) + 5.0) * GL_CONST;
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}
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}
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if(symbol->symbology == BARCODE_CODE49) {
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/* The minimum X-dimension of Code 49 is 0.191mm */
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if(x_dimension < 0.191) {
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render->width = 0.191 * GL_CONST * total_area_width_x;
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render->height = render->width / symbol_aspect;
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}
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}
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if(upceanflag != 0) {
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/* The X-dimension of UPC/EAN symbols is fixed at 0.330mm */
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/* NOTE: This code will need adjustment before it correctly deals with composite symbols */
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render->width = 0.330 * GL_CONST * total_area_width_x;
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/* The height is also fixed */
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switch (upceanflag) {
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case 6:
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case 12:
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case 13:
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/* UPC-A, UPC-E and EAN-13 */
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/* Height of bars should be 22.85mm */
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render->height = ((0.330 * ((2 * symbol->border_width) + text_offset + text_height)) + 22.85) * GL_CONST;
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break;
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case 8:
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/* EAN-8 */
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/* Height of bars should be 18.23mm */
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render->height = ((0.330 * ((2 * symbol->border_width) + text_offset + text_height)) + 18.23) * GL_CONST;
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break;
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default:
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/* EAN-2 and EAN-5 */
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/* Height of bars should be 21.10mm */
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render->height = ((0.330 * ((2 * symbol->border_width) + text_offset + text_height)) + 21.10) * GL_CONST;
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}
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}
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if(symbol->symbology == BARCODE_ONECODE) {
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/* The size of USPS Intelligent Mail barcode is fixed */
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render->width = 0.508 * GL_CONST * total_area_width_x;
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render->height = 4.064 * GL_CONST;
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}
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if(((symbol->symbology == BARCODE_AUSPOST) || (symbol->symbology == BARCODE_AUSREPLY)) ||
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((symbol->symbology == BARCODE_AUSROUTE) || (symbol->symbology == BARCODE_AUSREDIRECT))) {
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/* Australia Post use the same sizes as USPS */
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render->width = 0.508 * GL_CONST * total_area_width_x;
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render->height = 4.064 * GL_CONST;
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}
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if((symbol->symbology == BARCODE_RM4SCC) || (symbol->symbology == BARCODE_KIX)) {
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/* Royal Mail and KIX Code uses 22 bars per inch */
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render->width = 0.577 * GL_CONST * total_area_width_x;
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render->height = 5.22 * GL_CONST;
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}
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// SAMS ORIGINAL // default_text_posn = (symbol->height + textoffset + symbol->border_width) * scaler;
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if(symbol->symbology == BARCODE_MAXICODE) {
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/* Maxicode is a fixed size */
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scaler = 2.8346; /* Converts from millimeters to the scale used by glabels */
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scaler = GL_CONST; /* Converts from millimeters to the scale used by glabels */
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render->width = 28.16 * scaler;
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render->height = 26.86 * scaler;
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@ -297,16 +378,16 @@ int render_plot(struct zint_symbol *symbol, float width, float height)
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do {
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block_width++;
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} while (module_is_set(symbol, this_row, i + block_width) == module_is_set(symbol, this_row, i));
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if((addon_latch == 0) && (r == (symbol->rows - 1)) && (i > main_width)) {
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if((addon_latch == 0) && (r == (symbol->rows - 1)) && (i > main_symbol_width_x)) {
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addon_text_posn = row_posn * scaler;
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addon_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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line = render_plot_create_line((i + xoffset + x_spacer) * scaler, (row_posn + y_spacer) * scaler, block_width * scaler, row_height * scaler);
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line = render_plot_create_line((i + xoffset) * scaler, (row_posn) * scaler, block_width * scaler, row_height * scaler);
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} else {
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line = render_plot_create_line((i + xoffset + x_spacer) * scaler, (row_posn + 10.0 + y_spacer) * scaler, block_width * scaler, (row_height - 5.0) * scaler);
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line = render_plot_create_line((i + xoffset) * scaler, (row_posn + 10.0) * scaler, block_width * scaler, (row_height - 5.0) * scaler);
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}
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latch = 0;
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@ -324,17 +405,12 @@ int render_plot(struct zint_symbol *symbol, float width, float height)
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/* Add the text */
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xoffset -= comp_offset;
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xoffset -= symbol_lead_in;
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row_posn = (row_posn + large_bar_height) * scaler;
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if (!hide_text) {
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if ((((symbol->symbology == BARCODE_EANX) && (symbol->rows == 1)) || (symbol->symbology == BARCODE_EANX_CC)) ||
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(symbol->symbology == BARCODE_ISBNX)) {
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/* guard bar extensions and text formatting for EAN8 and EAN13 */
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switch(ustrlen(symbol->text)) {
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case 8: /* EAN-8 */
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case 11:
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case 14:
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if(upceanflag == 8) {
|
||||
/* guard bar extensions and text formatting for EAN-8 */
|
||||
i = 0;
|
||||
for (line = symbol->rendered->lines; line != NULL; line = line->next) {
|
||||
switch(i) {
|
||||
@ -377,10 +453,10 @@ int render_plot(struct zint_symbol *symbol, float width, float height)
|
||||
break;
|
||||
}
|
||||
|
||||
break;
|
||||
case 13: /* EAN 13 */
|
||||
case 16:
|
||||
case 19:
|
||||
}
|
||||
|
||||
if(upceanflag == 13) {
|
||||
/* guard bar extensions and text formatting for EAN-13 */
|
||||
i = 0;
|
||||
for (line = symbol->rendered->lines; line != NULL; line = line->next) {
|
||||
switch(i) {
|
||||
@ -428,11 +504,9 @@ int render_plot(struct zint_symbol *symbol, float width, float height)
|
||||
render_plot_add_string(symbol, (unsigned char *) addon, textpos * scaler, addon_text_posn * scaler, 11.0 * scaler, textwidth * scaler, &last_string);
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (((symbol->symbology == BARCODE_UPCA) && (symbol->rows == 1)) || (symbol->symbology == BARCODE_UPCA_CC)) {
|
||||
if (upceanflag == 12) {
|
||||
/* guard bar extensions and text formatting for UPCA */
|
||||
i = 0;
|
||||
for (line = symbol->rendered->lines; line != NULL; line = line->next) {
|
||||
@ -490,7 +564,7 @@ int render_plot(struct zint_symbol *symbol, float width, float height)
|
||||
}
|
||||
}
|
||||
|
||||
if (((symbol->symbology == BARCODE_UPCE) && (symbol->rows == 1)) || (symbol->symbology == BARCODE_UPCE_CC)) {
|
||||
if (upceanflag == 6) {
|
||||
/* guard bar extensions and text formatting for UPCE */
|
||||
i = 0;
|
||||
for (line = symbol->rendered->lines; line != NULL; line = line->next) {
|
||||
@ -554,22 +628,22 @@ int render_plot(struct zint_symbol *symbol, float width, float height)
|
||||
if((symbol->rows > 1) && (is_stackable(symbol->symbology) == 1)) {
|
||||
/* row binding */
|
||||
for(r = 1; r < symbol->rows; r++) {
|
||||
line = render_plot_create_line((xoffset + x_spacer) * scaler, ((r * row_height) + yoffset - 1 + y_spacer) * scaler, symbol->width * scaler, 2.0 * scaler);
|
||||
line = render_plot_create_line(xoffset * scaler, ((r * row_height) + yoffset - 1) * scaler, symbol->width * scaler, 2.0 * scaler);
|
||||
render_plot_add_line(symbol, line, &last_line);
|
||||
}
|
||||
}
|
||||
}
|
||||
if (((symbol->output_options & BARCODE_BOX) != 0) || ((symbol->output_options & BARCODE_BIND) != 0)) {
|
||||
line = render_plot_create_line((x_spacer * scaler), (y_spacer * scaler), (symbol->width + xoffset + xoffset) * scaler, symbol->border_width * scaler);
|
||||
line = render_plot_create_line(0, 0, (symbol->width + xoffset + xoffset) * scaler, symbol->border_width * scaler);
|
||||
render_plot_add_line(symbol, line, &last_line);
|
||||
line = render_plot_create_line((x_spacer * scaler), (symbol->height + symbol->border_width + y_spacer) * scaler, (symbol->width + xoffset + xoffset) * scaler, symbol->border_width * scaler);
|
||||
line = render_plot_create_line(0, (symbol->height + symbol->border_width) * scaler, (symbol->width + xoffset + xoffset) * scaler, symbol->border_width * scaler);
|
||||
render_plot_add_line(symbol, line, &last_line);
|
||||
}
|
||||
if((symbol->output_options & BARCODE_BOX) != 0) {
|
||||
/* side bars */
|
||||
line = render_plot_create_line((x_spacer * scaler), (y_spacer * scaler), symbol->border_width * scaler, (symbol->height + (2 * symbol->border_width)) * scaler);
|
||||
line = render_plot_create_line(0, 0, symbol->border_width * scaler, (symbol->height + (2 * symbol->border_width)) * scaler);
|
||||
render_plot_add_line(symbol, line, &last_line);
|
||||
line = render_plot_create_line((symbol->width + xoffset + xoffset - symbol->border_width + x_spacer) * scaler, (y_spacer * scaler), symbol->border_width * scaler, (symbol->height + (2 * symbol->border_width)) * scaler);
|
||||
line = render_plot_create_line((symbol->width + xoffset + xoffset - symbol->border_width) * scaler, 0, symbol->border_width * scaler, (symbol->height + (2 * symbol->border_width)) * scaler);
|
||||
render_plot_add_line(symbol, line, &last_line);
|
||||
}
|
||||
break;
|
||||
|
Loading…
Reference in New Issue
Block a user