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Fixed rendered->height calculation for EAN like barcodes

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This commit is contained in:
Jojakim Stahl 2017-10-18 10:19:37 +02:00
parent 3bbc188217
commit 2b79940d33
1 changed files with 32 additions and 29 deletions
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61
backend/render.c
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@ -119,14 +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
@ -210,6 +202,17 @@ 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));
@ -447,24 +450,24 @@ 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;
}
@ -491,7 +494,7 @@ 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];
@ -499,24 +502,24 @@ 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;
}
}
@ -546,35 +549,35 @@ 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;
}
}
@ -599,30 +602,30 @@ 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;
}
}
@ -630,7 +633,7 @@ 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);
}
}