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LimeReport/3rdparty/zint-2.4.4/backend/render.c
newsages 9797b30d0a Qzint , need change pro from lib to subfolder, config +=ordered, to add 
zint as subproyect
2016-03-21 00:49:04 +01:00

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/*
* render.c - Generic Rendered Format
*
* Initiall written by Sam Lown for use in gLabels. Converts encoded
* data into a generic internal structure of lines and characters
* usable in external applications.
*/
/*
libzint - the open source barcode library
Copyright (C) 2009 Robin Stuart <robin@zint.org.uk>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <locale.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#ifdef _MSC_VER
#include <malloc.h>
#endif
#include "common.h"
#define GL_CONST 2.8346
struct zint_render_line *render_plot_create_line(float x, float y, float width, float length);
int render_plot_add_line(struct zint_symbol *symbol, struct zint_render_line *line, struct zint_render_line **last_line);
struct zint_render_ring *render_plot_create_ring(float x, float y, float radius, float line_width);
int render_plot_add_ring(struct zint_symbol *symbol, struct zint_render_ring *ring, struct zint_render_ring **last_ring);
struct zint_render_hexagon *render_plot_create_hexagon(float x, float y);
int render_plot_add_hexagon(struct zint_symbol *symbol, struct zint_render_hexagon *ring, struct zint_render_hexagon **last_hexagon);
int render_plot_add_string(struct zint_symbol *symbol, unsigned char *text, float x, float y, float fsize, float width, struct zint_render_string **last_string);
int render_plot(struct zint_symbol *symbol, float width, float height)
{
struct zint_render *render;
struct zint_render_line *line, *last_line = NULL;
struct zint_render_string *last_string = NULL;
struct zint_render_ring *ring, *last_ring = NULL;
struct zint_render_hexagon *hexagon, *last_hexagon = NULL;
int i, r, block_width, latch, this_row;
float textpos, textwidth, large_bar_height, preset_height, row_height, row_posn = 0.0;
// int error_number = 0;
int text_offset, text_height, xoffset, yoffset, textdone, main_symbol_width_x, addon_width_x;
char addon[6], textpart[10];
int large_bar_count, symbol_lead_in, total_symbol_width_x, total_area_width_x;
float addon_text_posn;
float default_text_posn;
float scaler;
const char *locale = NULL;
int hide_text = 0;
float required_aspect;
float symbol_aspect = 1;
float x_dimension;
int upceanflag = 0;
// Allocate memory for the rendered version
#ifndef _MSC_VER
render = symbol->rendered = malloc(sizeof(struct zint_render));
#else
render = symbol->rendered = (struct zint_render *)_alloca(sizeof(struct zint_render));
#endif
render->lines = NULL;
render->strings = NULL;
render->rings = NULL;
render->hexagons = NULL;
locale = setlocale(LC_ALL, "C");
row_height = 0;
textdone = 0;
textpos = 0.0;
main_symbol_width_x = symbol->width;
strcpy(addon, "");
symbol_lead_in = 0;
addon_text_posn = 0.0;
addon_width_x = 0;
/*
* Determine if there will be any addon texts and text height
*/
latch = 0;
r = 0;
/* Isolate add-on text */
if(is_extendable(symbol->symbology)) {
for(i = 0; i < ustrlen(symbol->text); i++) {
if (latch == 1) {
addon[r] = symbol->text[i];
r++;
}
if (symbol->text[i] == '+') {
latch = 1;
}
}
}
addon[r] = '\0';
if((!symbol->show_hrt) || (ustrlen(symbol->text) == 0)) {
hide_text = 1;
text_height = text_offset = 0.0;
} else {
text_height = 9.0;
text_offset = 2.0;
}
/*
* Calculate the width of the barcode, especially if there are any extra
* borders or white space to add.
*/
while(!(module_is_set(symbol, symbol->rows - 1, symbol_lead_in))) {
symbol_lead_in++;
}
/* Certain symbols need whitespace otherwise characters get chopped off the sides */
if ((((symbol->symbology == BARCODE_EANX) && (symbol->rows == 1)) || (symbol->symbology == BARCODE_EANX_CC))
|| (symbol->symbology == BARCODE_ISBNX)) {
switch(ustrlen(symbol->text)) {
case 13: /* EAN 13 */
case 16:
case 19:
if(symbol->whitespace_width == 0) {
symbol->whitespace_width = 10;
}
main_symbol_width_x = 96 + symbol_lead_in;
upceanflag = 13;
break;
case 2:
main_symbol_width_x = 22 + symbol_lead_in;
upceanflag = 2;
break;
case 5:
main_symbol_width_x = 49 + symbol_lead_in;
upceanflag = 5;
break;
default:
main_symbol_width_x = 68 + symbol_lead_in;
upceanflag = 8;
}
switch(ustrlen(symbol->text)) {
case 11:
case 16:
/* EAN-2 add-on */
addon_width_x = 31;
break;
case 14:
case 19:
/* EAN-5 add-on */
addon_width_x = 58;
break;
}
}
if (((symbol->symbology == BARCODE_UPCA) && (symbol->rows == 1)) || (symbol->symbology == BARCODE_UPCA_CC)) {
upceanflag = 12;
if(symbol->whitespace_width < 10) {
symbol->whitespace_width = 10;
main_symbol_width_x = 96 + symbol_lead_in;
}
switch(ustrlen(symbol->text)) {
case 15:
/* EAN-2 add-on */
addon_width_x = 31;
break;
case 18:
/* EAN-5 add-on */
addon_width_x = 58;
break;
}
}
if (((symbol->symbology == BARCODE_UPCE) && (symbol->rows == 1)) || (symbol->symbology == BARCODE_UPCE_CC)) {
upceanflag = 6;
if(symbol->whitespace_width == 0) {
symbol->whitespace_width = 10;
main_symbol_width_x = 51 + symbol_lead_in;
}
switch(ustrlen(symbol->text)) {
case 11:
/* EAN-2 add-on */
addon_width_x = 31;
break;
case 14:
/* EAN-5 add-on */
addon_width_x = 58;
break;
}
}
total_symbol_width_x = main_symbol_width_x + addon_width_x;
total_area_width_x = total_symbol_width_x + (2 * (symbol->border_width + symbol->whitespace_width));
xoffset = symbol->border_width + symbol->whitespace_width;
yoffset = symbol->border_width;
// Determine if height should be overridden
large_bar_count = 0;
preset_height = 0.0;
for(i = 0; i < symbol->rows; i++) {
preset_height += symbol->row_height[i];
if(symbol->row_height[i] == 0) {
large_bar_count++;
}
}
if (large_bar_count == 0) {
required_aspect = width / height;
symbol_aspect = (total_symbol_width_x + (2 * xoffset)) / (preset_height + (2 * yoffset) + text_offset + text_height);
symbol->height = preset_height;
if (required_aspect > symbol_aspect) {
/* the area is too wide */
scaler = height / (preset_height + (2 * yoffset) + text_offset + text_height);
render->width = symbol_aspect * height;
render->height = height;
} else {
/* the area is too high */
scaler = width / (total_symbol_width_x + (2 * xoffset));
render->width = width;
render->height = width / symbol_aspect;
}
} else {
scaler = width / (total_symbol_width_x + (2 * xoffset));
symbol->height = (height / scaler) - ((2 * yoffset) + text_offset + text_height);
render->width = width;
render->height = height;
}
large_bar_height = (symbol->height - preset_height) / large_bar_count;
if(((symbol->output_options & BARCODE_BOX) != 0) || ((symbol->output_options & BARCODE_BIND) != 0)) {
default_text_posn = (symbol->height + text_offset + symbol->border_width + symbol->border_width) * scaler;
} else {
default_text_posn = (symbol->height + text_offset + symbol->border_width) * scaler;
}
x_dimension = render->width / total_area_width_x;
x_dimension /= GL_CONST;
/* Set minimum size of symbol */
/* Barcode must be at least 2mm high by 2mm across */
if(render->height < ((x_dimension * ((2 * symbol->border_width) + text_offset + text_height)) + 2.0) * GL_CONST) {
render->height = ((x_dimension * ((2 * symbol->border_width) + text_offset + text_height)) + 2.0) * GL_CONST;
}
if(render->width < (2.0 * GL_CONST)) {
render->width = (2.0 * GL_CONST);
}
if(symbol->symbology == BARCODE_CODABAR) {
/* The minimum X-dimension of Codabar is 0.191mm. The minimum bar height is 5mm */
if(x_dimension < 0.191) {
render->width = 0.191 * GL_CONST * total_area_width_x;
}
if(render->height < ((x_dimension * ((2 * symbol->border_width) + text_offset + text_height)) + 5.0) * GL_CONST) {
render->height = ((x_dimension * ((2 * symbol->border_width) + text_offset + text_height)) + 5.0) * GL_CONST;
}
}
if(symbol->symbology == BARCODE_CODE49) {
/* The minimum X-dimension of Code 49 is 0.191mm */
if(x_dimension < 0.191) {
render->width = 0.191 * GL_CONST * total_area_width_x;
render->height = render->width / symbol_aspect;
}
}
if(upceanflag != 0) {
/* The X-dimension of UPC/EAN symbols is fixed at 0.330mm */
/* NOTE: This code will need adjustment before it correctly deals with composite symbols */
render->width = 0.330 * GL_CONST * total_area_width_x;
/* The height is also fixed */
switch (upceanflag) {
case 6:
case 12:
case 13:
/* UPC-A, UPC-E and EAN-13 */
/* Height of bars should be 22.85mm */
render->height = ((0.330 * ((2 * symbol->border_width) + text_offset + text_height)) + 22.85) * GL_CONST;
break;
case 8:
/* EAN-8 */
/* Height of bars should be 18.23mm */
render->height = ((0.330 * ((2 * symbol->border_width) + text_offset + text_height)) + 18.23) * GL_CONST;
break;
default:
/* EAN-2 and EAN-5 */
/* Height of bars should be 21.10mm */
render->height = ((0.330 * ((2 * symbol->border_width) + text_offset + text_height)) + 21.10) * GL_CONST;
}
}
if(symbol->symbology == BARCODE_ONECODE) {
/* The size of USPS Intelligent Mail barcode is fixed */
render->width = 0.508 * GL_CONST * total_area_width_x;
render->height = 4.064 * GL_CONST;
}
if((symbol->symbology == BARCODE_POSTNET) || (symbol->symbology == BARCODE_PLANET)) {
/* The size of PostNet and PLANET are fized */
render->width = 0.508 * GL_CONST * total_area_width_x;
render->height = 2.921 * GL_CONST;
}
if(((symbol->symbology == BARCODE_AUSPOST) || (symbol->symbology == BARCODE_AUSREPLY)) ||
((symbol->symbology == BARCODE_AUSROUTE) || (symbol->symbology == BARCODE_AUSREDIRECT))) {
/* Australia Post use the same sizes as USPS */
render->width = 0.508 * GL_CONST * total_area_width_x;
render->height = 4.064 * GL_CONST;
}
if((symbol->symbology == BARCODE_RM4SCC) || (symbol->symbology == BARCODE_KIX)) {
/* Royal Mail and KIX Code uses 22 bars per inch */
render->width = 0.577 * GL_CONST * total_area_width_x;
render->height = 5.22 * GL_CONST;
}
if(symbol->symbology == BARCODE_MAXICODE) {
/* Maxicode is a fixed size */
scaler = GL_CONST; /* Converts from millimeters to the scale used by glabels */
render->width = 28.16 * scaler;
render->height = 26.86 * scaler;
/* Central bullseye pattern */
ring = render_plot_create_ring(13.64 * scaler, 13.43 * scaler, 0.85 * scaler, 0.67 * scaler);
render_plot_add_ring(symbol, ring, &last_ring);
ring = render_plot_create_ring(13.64 * scaler, 13.43 * scaler, 2.20 * scaler, 0.67 * scaler);
render_plot_add_ring(symbol, ring, &last_ring);
ring = render_plot_create_ring(13.64 * scaler, 13.43 * scaler, 3.54 * scaler, 0.67 * scaler);
render_plot_add_ring(symbol, ring, &last_ring);
/* Hexagons */
for(r = 0; r < symbol->rows; r++) {
for(i = 0; i < symbol->width; i++) {
if(module_is_set(symbol, r, i)) {
hexagon = render_plot_create_hexagon(((i * 0.88) + (r & 1 ? 1.76 : 1.32)) * scaler, ((r * 0.76) + 0.76) * scaler);
render_plot_add_hexagon(symbol, hexagon, &last_hexagon);
}
}
}
} else {
/* everything else uses rectangles (or squares) */
/* Works from the bottom of the symbol up */
int addon_latch = 0;
for(r = 0; r < symbol->rows; r++) {
this_row = r;
if(symbol->row_height[this_row] == 0) {
row_height = large_bar_height;
} else {
row_height = symbol->row_height[this_row];
}
row_posn = 0;
for(i = 0; i < r; i++) {
if(symbol->row_height[i] == 0) {
row_posn += large_bar_height;
} else {
row_posn += symbol->row_height[i];
}
}
row_posn += yoffset;
i = 0;
if(module_is_set(symbol, this_row, 0)) {
latch = 1;
} else {
latch = 0;
}
do {
block_width = 0;
do {
block_width++;
} while (module_is_set(symbol, this_row, i + block_width) == module_is_set(symbol, this_row, i));
if((addon_latch == 0) && (r == (symbol->rows - 1)) && (i > main_symbol_width_x)) {
addon_text_posn = row_posn * scaler;
addon_latch = 1;
}
if(latch == 1) {
/* a bar */
if(addon_latch == 0) {
line = render_plot_create_line((i + xoffset) * scaler, (row_posn) * scaler, block_width * scaler, row_height * scaler);
} else {
line = render_plot_create_line((i + xoffset) * scaler, (row_posn + 10.0) * scaler, block_width * scaler, (row_height - 5.0) * scaler);
}
latch = 0;
render_plot_add_line(symbol, line, &last_line);
} else {
/* a space */
latch = 1;
}
i += block_width;
} while (i < symbol->width);
}
}
/* That's done the actual data area, everything else is human-friendly */
/* Add the text */
xoffset -= symbol_lead_in;
row_posn = (row_posn + large_bar_height) * scaler;
if (!hide_text) {
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) {
case 0:
case 1:
case 10:
case 11:
case 20:
case 21:
line->length += (5.0 * scaler);
break;
}
i++;
}
for(i = 0; i < 4; i++) {
textpart[i] = symbol->text[i];
}
textpart[4] = '\0';
textpos = 17;
textwidth = 4.0 * 8.5;
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, 11.0 * scaler, textwidth * scaler, &last_string);
for(i = 0; i < 4; i++) {
textpart[i] = symbol->text[i + 4];
}
textpart[4] = '\0';
textpos = 50;
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, 11.0 * scaler, textwidth * scaler, &last_string);
textdone = 1;
switch(strlen(addon)) {
case 2:
textpos = xoffset + 86;
textwidth = 2.0 * 8.5;
render_plot_add_string(symbol, (unsigned char *) addon, textpos * scaler, addon_text_posn * scaler, 11.0 * scaler, textwidth * scaler, &last_string);
break;
case 5:
textpos = xoffset + 100;
textwidth = 5.0 * 8.5;
render_plot_add_string(symbol, (unsigned char *) addon, textpos * scaler, addon_text_posn * scaler, 11.0 * scaler, textwidth * scaler, &last_string);
break;
}
}
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) {
case 0:
case 1:
case 14:
case 15:
case 28:
case 29:
line->length += (5.0 * scaler);
break;
}
i++;
}
textpart[0] = symbol->text[0];
textpart[1] = '\0';
textpos = -5; // 7
textwidth = 8.5;
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, 11.0 * scaler, textwidth * scaler, &last_string);
for(i = 0; i < 6; i++) {
textpart[i] = symbol->text[i + 1];
}
textpart[6] = '\0';
textpos = 25;
textwidth = 6.0 * 8.5;
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, 11.0 * scaler, textwidth * scaler, &last_string);
for(i = 0; i < 6; i++) {
textpart[i] = symbol->text[i + 7];
}
textpart[6] = '\0';
textpos = 72;
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, 11.0 * scaler, textwidth * scaler, &last_string);
textdone = 1;
switch(strlen(addon)) {
case 2:
textpos = xoffset + 114;
textwidth = 2.0 * 8.5;
render_plot_add_string(symbol, (unsigned char *) addon, textpos * scaler, addon_text_posn * scaler, 11.0 * scaler, textwidth * scaler, &last_string);
break;
case 5:
textpos = xoffset + 128;
textwidth = 5.0 * 8.5;
render_plot_add_string(symbol, (unsigned char *) addon, textpos * scaler, addon_text_posn * scaler, 11.0 * scaler, textwidth * scaler, &last_string);
break;
}
}
if (upceanflag == 12) {
/* guard bar extensions and text formatting for UPCA */
i = 0;
for (line = symbol->rendered->lines; line != NULL; line = line->next) {
switch(i) {
case 0:
case 1:
case 2:
case 3:
case 14:
case 15:
case 26:
case 27:
case 28:
case 29:
line->length += (5.0 * scaler);
break;
}
i++;
}
textpart[0] = symbol->text[0];
textpart[1] = '\0';
textpos = -5;
textwidth = 6.2;
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn + (2.0 * scaler), 8.0 * scaler, textwidth * scaler, &last_string);
for(i = 0; i < 5; i++) {
textpart[i] = symbol->text[i + 1];
}
textpart[5] = '\0';
textpos = 27;
textwidth = 5.0 * 8.5;
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, 11.0 * scaler, textwidth * scaler, &last_string);
for(i = 0; i < 5; i++) {
textpart[i] = symbol->text[i + 6];
}
textpos = 68;
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, 11.0 * scaler, textwidth * scaler, &last_string);
textpart[0] = symbol->text[11];
textpart[1] = '\0';
textpos = 100;
textwidth = 6.2;
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn + (2.0 * scaler), 8.0 * scaler, textwidth * scaler, &last_string);
textdone = 1;
switch(strlen(addon)) {
case 2:
textpos = xoffset + 116;
textwidth = 2.0 * 8.5;
render_plot_add_string(symbol, (unsigned char *) addon, textpos * scaler, addon_text_posn * scaler, 11.0 * scaler, textwidth * scaler, &last_string);
break;
case 5:
textpos = xoffset + 130;
textwidth = 5.0 * 8.5;
render_plot_add_string(symbol, (unsigned char *) addon, textpos * scaler, addon_text_posn * scaler, 11.0 * scaler, textwidth * scaler, &last_string);
break;
}
}
if (upceanflag == 6) {
/* guard bar extensions and text formatting for UPCE */
i = 0;
for (line = symbol->rendered->lines; line != NULL; line = line->next) {
switch(i) {
case 0:
case 1:
case 14:
case 15:
case 16:
line->length += (5.0 * scaler);
break;
}
i++;
}
textpart[0] = symbol->text[0];
textpart[1] = '\0';
textpos = -5;
textwidth = 6.2;
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn + (2.0 * scaler), 8.0 * scaler, textwidth * scaler, &last_string);
for(i = 0; i < 6; i++) {
textpart[i] = symbol->text[i + 1];
}
textpart[6] = '\0';
textpos = 24;
textwidth = 6.0 * 8.5;
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, 11.0 * scaler, textwidth * scaler, &last_string);
textpart[0] = symbol->text[7];
textpart[1] = '\0';
textpos = 55;
textwidth = 6.2;
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn + (2.0 * scaler), 8.0 * scaler, textwidth * scaler, &last_string);
textdone = 1;
switch(strlen(addon)) {
case 2:
textpos = xoffset + 70;
textwidth = 2.0 * 8.5;
render_plot_add_string(symbol, (unsigned char *) addon, textpos * scaler, addon_text_posn * scaler, 11.0 * scaler, textwidth * scaler, &last_string);
break;
case 5:
textpos = xoffset + 84;
textwidth = 5.0 * 8.5;
render_plot_add_string(symbol, (unsigned char *) addon, textpos * scaler, addon_text_posn * scaler, 11.0 * scaler, textwidth * scaler, &last_string);
break;
}
}
/* Put normal human readable text at the bottom (and centered) */
if (textdone == 0) {
// caculate start xoffset to center text
render_plot_add_string(symbol, symbol->text, ((symbol->width / 2.0) + xoffset) * scaler, default_text_posn, 9.0 * scaler, 0.0, &last_string);
}
}
switch(symbol->symbology) {
case BARCODE_MAXICODE:
/* Do nothing! */
break;
default:
if((symbol->output_options & BARCODE_BIND) != 0) {
if((symbol->rows > 1) && (is_stackable(symbol->symbology) == 1)) {
/* row binding */
for(r = 1; r < symbol->rows; r++) {
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(0, 0, (symbol->width + xoffset + xoffset) * scaler, symbol->border_width * scaler);
render_plot_add_line(symbol, line, &last_line);
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(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) * scaler, 0, symbol->border_width * scaler, (symbol->height + (2 * symbol->border_width)) * scaler);
render_plot_add_line(symbol, line, &last_line);
}
break;
}
if (locale)
setlocale(LC_ALL, locale);
return 1;
}
/*
* Create a new line with its memory allocated ready for adding to the
* rendered structure.
*
* This is much quicker than writing out each line manually (in some cases!)
*/
struct zint_render_line *render_plot_create_line(float x, float y, float width, float length)
{
struct zint_render_line *line;
#ifndef _MSC_VER
line = malloc(sizeof(struct zint_render_line));
#else
line = (struct zint_render_line *)_alloca(sizeof(struct zint_render_line));
#endif
line->next = NULL;
line->x = x;
line->y = y;
line->width = width;
line->length = length;
return line;
}
/*
* Add the line to the current rendering and update the last line's
* next value.
*/
int render_plot_add_line(struct zint_symbol *symbol, struct zint_render_line *line, struct zint_render_line **last_line)
{
if (*last_line)
(*last_line)->next = line;
else
symbol->rendered->lines = line; // first line
*last_line = line;
return 1;
}
struct zint_render_ring *render_plot_create_ring(float x, float y, float radius, float line_width)
{
struct zint_render_ring *ring;
#ifndef _MSC_VER
ring = malloc(sizeof(struct zint_render_ring));
#else
ring = (struct zint_render_ring *)_alloca(sizeof(struct zint_render_ring));
#endif
ring->next = NULL;
ring->x = x;
ring->y = y;
ring->radius = radius;
ring->line_width = line_width;
return ring;
}
int render_plot_add_ring(struct zint_symbol *symbol, struct zint_render_ring *ring, struct zint_render_ring **last_ring)
{
if (*last_ring)
(*last_ring)->next = ring;
else
symbol->rendered->rings = ring; // first ring
*last_ring = ring;
return 1;
}
struct zint_render_hexagon *render_plot_create_hexagon(float x, float y)
{
struct zint_render_hexagon *hexagon;
#ifndef _MSC_VER
hexagon = malloc(sizeof(struct zint_render_hexagon));
#else
hexagon = (struct zint_render_hexagon *)_alloca(sizeof(struct zint_render_hexagon));
#endif
hexagon->next = NULL;
hexagon->x = x;
hexagon->y = y;
return hexagon;
}
int render_plot_add_hexagon(struct zint_symbol *symbol, struct zint_render_hexagon *hexagon, struct zint_render_hexagon **last_hexagon)
{
if (*last_hexagon)
(*last_hexagon)->next = hexagon;
else
symbol->rendered->hexagons = hexagon; // first hexagon
*last_hexagon = hexagon;
return 1;
}
/*
* Add a string structure to the symbol.
* Coordinates assumed to be from top-center.
*/
int render_plot_add_string(struct zint_symbol *symbol,
unsigned char *text, float x, float y, float fsize, float width,
struct zint_render_string **last_string)
{
struct zint_render_string *string;
#ifndef _MSC_VER
string = malloc(sizeof(struct zint_render_string));
#else
string = (struct zint_render_string *)_alloca(sizeof(struct zint_render_string));
#endif
string->next = NULL;
string->x = x;
string->y = y;
string->width = width;
string->fsize = fsize;
string->length = ustrlen(text);
#ifndef _MSC_VER
string->text = malloc(sizeof(unsigned char) * (ustrlen(text) + 1));
#else
string->text = (unsigned char *)_alloca((ustrlen(text) + 1) * sizeof(unsigned char));
#endif
ustrcpy(string->text, text);
if (*last_string)
(*last_string)->next = string;
else
symbol->rendered->strings = string; // First character
*last_string = string;
return 1;
}
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