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Merge /u/jstahl/zint/ branch master into master

Browse Source 
https://sourceforge.net/p/zint/code/merge-requests/5/
This commit is contained in:
Robin Stuart 2017-10-20 19:01:58 +00:00
commit 1fb99fff8c
6 changed files with 196 additions and 151 deletions
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6
.editorconfig Normal file
View File

@ -0,0 +1,6 @@
root=true
[*]
end_of_line = crlf
indent_style = space
indent_size = 4

4
backend/composite.c
View File

@ -65,7 +65,7 @@
#define UINT unsigned short
extern int general_rules(char field[], char type[]);
extern int general_rules(char type[]);
extern int eanx(struct zint_symbol *symbol, unsigned char source[], int length);
extern int ean_128(struct zint_symbol *symbol, unsigned char source[], const size_t length);
extern int rss14(struct zint_symbol *symbol, unsigned char source[], int length);
@ -1381,7 +1381,7 @@ static int cc_binary_string(struct zint_symbol *symbol, const char source[], cha
}
}
latch = general_rules(general_field, general_field_type);
latch = general_rules(general_field_type);
i = 0;
do {

46
backend/library.c
View File

@ -76,6 +76,8 @@ struct zint_symbol *ZBarcode_Create() {
return symbol;
}
extern void render_free(struct zint_symbol *symbol); /* Free render structures */
void ZBarcode_Clear(struct zint_symbol *symbol) {
int i, j;
@ -94,6 +96,9 @@ void ZBarcode_Clear(struct zint_symbol *symbol) {
}
symbol->bitmap_width = 0;
symbol->bitmap_height = 0;
// If there is a rendered version, ensure its memory is released
render_free(symbol);
}
void ZBarcode_Delete(struct zint_symbol *symbol) {
@ -101,47 +106,8 @@ void ZBarcode_Delete(struct zint_symbol *symbol) {
free(symbol->bitmap);
// If there is a rendered version, ensure its memory is released
if (symbol->rendered != NULL) {
struct zint_render_line *line;
struct zint_render_string *string;
struct zint_render_ring *ring;
struct zint_render_hexagon *hexagon;
render_free(symbol);
// Free lines
line = symbol->rendered->lines;
while (line) {
struct zint_render_line *l = line;
line = line->next;
free(l);
}
// Free Strings
string = symbol->rendered->strings;
while (string) {
struct zint_render_string *s = string;
string = string->next;
free(s->text);
free(s);
}
// Free Rings
ring = symbol->rendered->rings;
while (ring) {
struct zint_render_ring *r = ring;
ring = ring->next;
free(r);
}
// Free Hexagons
hexagon = symbol->rendered->hexagons;
while (hexagon) {
struct zint_render_hexagon *h = hexagon;
hexagon = hexagon->next;
free(h);
}
// Free Render
free(symbol->rendered);
}
free(symbol);
}

284
backend/render.c
View File

@ -51,12 +51,13 @@ struct zint_render_line *render_plot_create_line(float x, float y, float width,
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);
struct zint_render_hexagon *render_plot_create_hexagon(float x, float y, float height);
int render_plot_add_hexagon(struct zint_symbol *symbol, struct zint_render_hexagon *hexagon, 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);
void render_free(struct zint_symbol *symbol);
int render_plot(struct zint_symbol *symbol, const float width, const float height) {
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;
@ -78,6 +79,8 @@ int render_plot(struct zint_symbol *symbol, const float width, const float heigh
float x_dimension;
int upceanflag = 0;
// Free any previous rendering structures
render_free(symbol);
// Allocate memory for the rendered version
render = symbol->rendered = (struct zint_render *) malloc(sizeof (struct zint_render));
if (!symbol->rendered) return ZINT_ERROR_MEMORY;
@ -116,14 +119,6 @@ int render_plot(struct zint_symbol *symbol, const float width, const float heigh
}
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
@ -207,12 +202,24 @@ int render_plot(struct zint_symbol *symbol, const float width, const float heigh
}
}
if ((!symbol->show_hrt) || (ustrlen(symbol->text) == 0)) {
hide_text = 1;
text_height = text_offset = 0.0;
}
else {
text_height = upceanflag ? 11.0 : 9.0;
text_offset = 2.0;
}
if (symbol->output_options & SMALL_TEXT)
text_height *= 0.8;
total_symbol_width_x = 0.0 + 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;
@ -223,6 +230,93 @@ int render_plot(struct zint_symbol *symbol, const float width, const float heigh
}
}
/* Set minimum size of symbol */
/* Barcode must be at least 2mm high by 2mm across */
if (width < (2.0 * GL_CONST)) {
width = (2.0 * GL_CONST);
}
x_dimension = width / total_area_width_x / GL_CONST;
if (height < ((x_dimension * ((2 * symbol->border_width) + text_offset + text_height)) + 2.0) * GL_CONST) {
height = ((x_dimension * ((2 * symbol->border_width) + text_offset + text_height)) + 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) {
x_dimension = 0.191;
width = 0.191 * GL_CONST * total_area_width_x;
}
if (height < ((x_dimension * ((2 * symbol->border_width) + text_offset + text_height)) + 5.0) * GL_CONST) {
height = ((x_dimension * ((2 * symbol->border_width) + text_offset + text_height)) + 5.0) * GL_CONST;
}
}
else if (symbol->symbology == BARCODE_CODE49) {
/* The minimum X-dimension of Code 49 is 0.191mm */
if (x_dimension < 0.191) {
x_dimension = 0.191;
width = 0.191 * GL_CONST * total_area_width_x;
float encoded_symbol_aspect = total_area_width_x;
encoded_symbol_aspect /= (preset_height + (2 * yoffset) + text_offset + text_height);
height = width / encoded_symbol_aspect;
}
}
if (upceanflag != 0) {
/* The X-dimension of UPC/EAN symbols is fixed at 0.330mm */
/* The phrase before is questionable. It may scale in certain percentages (80% - 200%).
see https://internationalbarcodes.com/ean-13-specifications/ */
/* NOTE: This code will need adjustment before it correctly deals with composite symbols */
x_dimension = 0.330;
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 */
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 */
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 */
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 */
x_dimension = 0.508;
width = 0.508 * GL_CONST * total_area_width_x;
height = 4.064 * GL_CONST;
}
else if ((symbol->symbology == BARCODE_POSTNET) || (symbol->symbology == BARCODE_PLANET)) {
/* The size of PostNet and PLANET are fized */
x_dimension = 0.508;
width = 0.508 * GL_CONST * total_area_width_x;
height = 2.921 * GL_CONST;
}
else 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 */
x_dimension = 0.508;
width = 0.508 * GL_CONST * total_area_width_x;
height = 4.064 * GL_CONST;
}
else if ((symbol->symbology == BARCODE_RM4SCC) || (symbol->symbology == BARCODE_KIX)) {
/* Royal Mail and KIX Code uses 22 bars per inch */
x_dimension = 0.577;
width = 0.577 * GL_CONST * total_area_width_x;
height = 5.22 * GL_CONST;
}
if (large_bar_count == 0) {
float required_aspect = width / height;
symbol_aspect = (total_symbol_width_x + (2 * xoffset)) / (preset_height + (2 * yoffset) + text_offset + text_height);
@ -253,81 +347,6 @@ int render_plot(struct zint_symbol *symbol, const float width, const float heigh
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;
}
}
else 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;
}
else 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;
}
else 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;
}
else 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) {
struct zint_render_ring *ring;
@ -348,7 +367,7 @@ int render_plot(struct zint_symbol *symbol, const float width, const float heigh
for (r = 0; r < symbol->rows; r++) {
for (i = 0; i < symbol->width; i++) {
if (module_is_set(symbol, r, i)) {
struct zint_render_hexagon *hexagon = render_plot_create_hexagon(((i * 0.88) + ((r & 1) ? 1.76 : 1.32)) * scaler, ((r * 0.76) + 0.76) * scaler);
struct zint_render_hexagon *hexagon = render_plot_create_hexagon(((i * 0.88) + ((r & 1) ? 1.76 : 1.32)) * scaler, ((r * 0.76) + 0.76) * scaler, 1. * scaler);
render_plot_add_hexagon(symbol, hexagon, &last_hexagon);
}
}
@ -444,24 +463,24 @@ int render_plot(struct zint_symbol *symbol, const float width, const float heigh
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);
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, text_height * 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);
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, text_height * 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);
render_plot_add_string(symbol, (unsigned char *) addon, textpos * scaler, addon_text_posn * scaler, text_height * 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);
render_plot_add_string(symbol, (unsigned char *) addon, textpos * scaler, addon_text_posn * scaler, text_height * scaler, textwidth * scaler, &last_string);
break;
}
@ -488,7 +507,7 @@ int render_plot(struct zint_symbol *symbol, const float width, const float heigh
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);
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, text_height * scaler, textwidth * scaler, &last_string);
for (i = 0; i < 6; i++) {
textpart[i] = symbol->text[i + 1];
@ -496,24 +515,24 @@ int render_plot(struct zint_symbol *symbol, const float width, const float heigh
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);
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, text_height * 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);
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, text_height * 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);
render_plot_add_string(symbol, (unsigned char *) addon, textpos * scaler, addon_text_posn * scaler, text_height * 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);
render_plot_add_string(symbol, (unsigned char *) addon, textpos * scaler, addon_text_posn * scaler, text_height * scaler, textwidth * scaler, &last_string);
break;
}
}
@ -543,35 +562,35 @@ int render_plot(struct zint_symbol *symbol, const float width, const float heigh
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);
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn + (2.0 * scaler), text_height * (8.0 / 11.0) * 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);
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, text_height * 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);
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, text_height * 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);
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn + (2.0 * scaler), text_height * (8.0 / 11.0) * 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);
render_plot_add_string(symbol, (unsigned char *) addon, textpos * scaler, addon_text_posn * scaler, text_height * 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);
render_plot_add_string(symbol, (unsigned char *) addon, textpos * scaler, addon_text_posn * scaler, text_height * scaler, textwidth * scaler, &last_string);
break;
}
}
@ -596,30 +615,30 @@ int render_plot(struct zint_symbol *symbol, const float width, const float heigh
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);
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn + (2.0 * scaler), text_height * (8.0 / 11.0) * 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);
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn, text_height * 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);
render_plot_add_string(symbol, (unsigned char *) textpart, (textpos + xoffset) * scaler, default_text_posn + (2.0 * scaler), text_height * (8.0 / 11.0) * 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);
render_plot_add_string(symbol, (unsigned char *) addon, textpos * scaler, addon_text_posn * scaler, text_height * 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);
render_plot_add_string(symbol, (unsigned char *) addon, textpos * scaler, addon_text_posn * scaler, text_height * scaler, textwidth * scaler, &last_string);
break;
}
}
@ -627,7 +646,7 @@ int render_plot(struct zint_symbol *symbol, const float width, const float heigh
/* 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);
render_plot_add_string(symbol, symbol->text, ((symbol->width / 2.0) + xoffset) * scaler, default_text_posn, text_height * scaler, symbol->width * scaler, &last_string);
}
}
@ -728,7 +747,7 @@ int render_plot_add_ring(struct zint_symbol *symbol, struct zint_render_ring *ri
return 1;
}
struct zint_render_hexagon *render_plot_create_hexagon(float x, float y) {
struct zint_render_hexagon *render_plot_create_hexagon(float x, float y, float height) {
struct zint_render_hexagon *hexagon;
hexagon = (struct zint_render_hexagon*) malloc(sizeof (struct zint_render_hexagon));
@ -736,6 +755,7 @@ struct zint_render_hexagon *render_plot_create_hexagon(float x, float y) {
hexagon->next = NULL;
hexagon->x = x;
hexagon->y = y;
hexagon->height = height;
return hexagon;
}
@ -778,3 +798,51 @@ int render_plot_add_string(struct zint_symbol *symbol,
return 1;
}
/*
* Free the data structures created by render_plot
*/
void render_free(struct zint_symbol *symbol) {
if (symbol->rendered != NULL) {
struct zint_render_line *line;
struct zint_render_string *string;
struct zint_render_ring *ring;
struct zint_render_hexagon *hexagon;
// Free lines
line = symbol->rendered->lines;
while (line) {
struct zint_render_line *l = line;
line = line->next;
free(l);
}
// Free Strings
string = symbol->rendered->strings;
while (string) {
struct zint_render_string *s = string;
string = string->next;
free(s->text);
free(s);
}
// Free Rings
ring = symbol->rendered->rings;
while (ring) {
struct zint_render_ring *r = ring;
ring = ring->next;
free(r);
}
// Free Hexagons
hexagon = symbol->rendered->hexagons;
while (hexagon) {
struct zint_render_hexagon *h = hexagon;
hexagon = hexagon->next;
free(h);
}
// Free Render
free(symbol->rendered);
symbol->rendered = NULL;
}
}

2
backend/zint.h
View File

@ -55,7 +55,7 @@ extern "C" {
};
struct zint_render_hexagon {
float x, y;
float x, y, height;
struct zint_render_hexagon *next; /* Pointer to next hexagon */
};

5
win32/zint.sln
View File

@ -7,6 +7,11 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "zint", "zint.vcxproj", "{31
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libzint", "libzint.vcxproj", "{5C08DC40-8F7D-475E-AA3C-814DED735A4B}"
EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{C246B2E9-C3A0-4505-BECA-1FDFC59C7BE5}"
ProjectSection(SolutionItems) = preProject
..\.editorconfig = ..\.editorconfig
EndProjectSection
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Win32 = Debug|Win32