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https://git.code.sf.net/p/zint/code
synced 2025-05-27 21:44:13 -04:00
Allow Unicode in SVG output text
This commit is contained in:
hooper114
parent
aa9edfb320
commit
636a18c74f
17 changed files with 208 additions and 155 deletions
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@ -426,6 +426,38 @@ int maxi_png_plot(struct zint_symbol *symbol, int rotate_angle)
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return error_number;
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}
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void to_latin1(unsigned char source[], unsigned char preprocessed[])
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{
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int j, i, next, input_length;
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input_length = ustrlen(source);
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j = 0;
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i = 0;
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do {
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if(source[i] < 128) {
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preprocessed[j] = source[i];
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j++;
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next = i + 1;
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} else {
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if(source[i] == 0xC2) {
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preprocessed[j] = source[i + 1];
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j++;
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next = i + 2;
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}
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if(source[i] == 0xC3) {
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preprocessed[j] = source[i + 1] + 64;
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j++;
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next = i + 2;
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}
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}
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i = next;
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} while(i < input_length);
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preprocessed[j] = '\0';
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return;
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}
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int png_plot(struct zint_symbol *symbol, int rotate_angle)
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{
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int textdone, main_width, comp_offset, large_bar_count;
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@ -438,7 +470,11 @@ int png_plot(struct zint_symbol *symbol, int rotate_angle)
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float row_height, row_posn;
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int error_number;
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int scaler = (int)(2 * symbol->scale);
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int default_text_posn;
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unsigned char local_text[ustrlen(symbol->text)];
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to_latin1(symbol->text, local_text);
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textdone = 0;
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main_width = symbol->width;
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strcpy(addon, "");
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@ -470,7 +506,7 @@ int png_plot(struct zint_symbol *symbol, int rotate_angle)
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/* Certain symbols need whitespace otherwise characters get chopped off the sides */
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if (((symbol->symbology == BARCODE_EANX) && (symbol->rows == 1)) || (symbol->symbology == BARCODE_EANX_CC)) {
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switch(strlen(symbol->text)) {
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switch(ustrlen(local_text)) {
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case 13: /* EAN 13 */
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case 16:
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case 19:
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@ -501,9 +537,9 @@ int png_plot(struct zint_symbol *symbol, int rotate_angle)
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latch = 0;
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r = 0;
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/* Isolate add-on text */
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for(i = 0; i < strlen(symbol->text); i++) {
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for(i = 0; i < ustrlen(local_text); i++) {
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if (latch == 1) {
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addon[r] = symbol->text[i];
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addon[r] = local_text[i];
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r++;
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}
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if (symbol->text[i] == '+') {
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@ -512,7 +548,7 @@ int png_plot(struct zint_symbol *symbol, int rotate_angle)
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}
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addon[r] = '\0';
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if(strcmp(symbol->text, "")) {
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if(ustrlen(local_text) != 0) {
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textoffset = 9;
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} else {
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textoffset = 0;
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@ -531,6 +567,12 @@ int png_plot(struct zint_symbol *symbol, int rotate_angle)
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}
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}
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if(((symbol->output_options & BARCODE_BOX) != 0) || ((symbol->output_options & BARCODE_BIND) != 0)) {
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default_text_posn = image_height - 17;
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} else {
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default_text_posn = image_height - 17 - symbol->border_width - symbol->border_width;
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}
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/* Plot the body of the symbol to the pixel buffer */
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for(r = 0; r < symbol->rows; r++) {
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this_row = symbol->rows - r - 1; /* invert r otherwise plots upside down */
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@ -587,7 +629,7 @@ int png_plot(struct zint_symbol *symbol, int rotate_angle)
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if (((symbol->symbology == BARCODE_EANX) && (symbol->rows == 1)) || (symbol->symbology == BARCODE_EANX_CC)) {
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/* guard bar extensions and text formatting for EAN8 and EAN13 */
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switch(strlen(symbol->text)) {
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switch(ustrlen(local_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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@ -602,13 +644,14 @@ int png_plot(struct zint_symbol *symbol, int rotate_angle)
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}
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textpart[4] = '\0';
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textpos = scaler * (17 + xoffset);
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draw_string(pixelbuf, textpart, textpos, (image_height - 17), image_width, image_height);
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draw_string(pixelbuf, textpart, textpos, default_text_posn, image_width, image_height);
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for(i = 0; i < 4; i++) {
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textpart[i] = symbol->text[i + 4];
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}
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textpart[4] = '\0';
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textpos = scaler * (50 + xoffset);
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draw_string(pixelbuf, textpart, textpos, (image_height - 17), image_width, image_height);
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draw_string(pixelbuf, textpart, textpos, default_text_posn, image_width, image_height);
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textdone = 1;
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switch(strlen(addon)) {
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case 2:
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@ -635,19 +678,19 @@ int png_plot(struct zint_symbol *symbol, int rotate_angle)
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textpart[0] = symbol->text[0];
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textpart[1] = '\0';
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textpos = scaler * (-7 + xoffset);
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draw_string(pixelbuf, textpart, textpos, (image_height - 17), image_width, image_height);
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draw_string(pixelbuf, textpart, textpos, default_text_posn, image_width, image_height);
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for(i = 0; i < 6; i++) {
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textpart[i] = symbol->text[i + 1];
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}
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textpart[6] = '\0';
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textpos = scaler * (24 + xoffset);
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draw_string(pixelbuf, textpart, textpos, (image_height - 17), image_width, image_height);
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draw_string(pixelbuf, textpart, textpos, default_text_posn, image_width, image_height);
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for(i = 0; i < 6; i++) {
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textpart[i] = symbol->text[i + 7];
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}
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textpart[6] = '\0';
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textpos = scaler * (71 + xoffset);
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draw_string(pixelbuf, textpart, textpos, (image_height - 17), image_width, image_height);
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draw_string(pixelbuf, textpart, textpos, default_text_posn, image_width, image_height);
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textdone = 1;
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switch(strlen(addon)) {
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case 2:
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@ -706,23 +749,23 @@ int png_plot(struct zint_symbol *symbol, int rotate_angle)
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textpart[0] = symbol->text[0];
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textpart[1] = '\0';
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textpos = scaler * (-5 + xoffset);
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draw_string(pixelbuf, textpart, textpos, (image_height - 17), image_width, image_height);
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draw_string(pixelbuf, textpart, textpos, default_text_posn, image_width, image_height);
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for(i = 0; i < 5; i++) {
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textpart[i] = symbol->text[i + 1];
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}
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textpart[5] = '\0';
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textpos = scaler * (27 + xoffset);
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draw_string(pixelbuf, textpart, textpos, (image_height - 17), image_width, image_height);
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draw_string(pixelbuf, textpart, textpos, default_text_posn, image_width, image_height);
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for(i = 0; i < 5; i++) {
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textpart[i] = symbol->text[i + 6];
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}
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textpart[6] = '\0';
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textpos = scaler * (68 + xoffset);
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draw_string(pixelbuf, textpart, textpos, (image_height - 17), image_width, image_height);
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draw_string(pixelbuf, textpart, textpos, default_text_posn, image_width, image_height);
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textpart[0] = symbol->text[11];
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textpart[1] = '\0';
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textpos = scaler * (100 + xoffset);
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draw_string(pixelbuf, textpart, textpos, (image_height - 17), image_width, image_height);
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draw_string(pixelbuf, textpart, textpos, default_text_posn, image_width, image_height);
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textdone = 1;
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switch(strlen(addon)) {
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case 2:
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@ -748,17 +791,17 @@ int png_plot(struct zint_symbol *symbol, int rotate_angle)
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textpart[0] = symbol->text[0];
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textpart[1] = '\0';
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textpos = scaler * (-5 + xoffset);
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draw_string(pixelbuf, textpart, textpos, (image_height - 17), image_width, image_height);
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draw_string(pixelbuf, textpart, textpos, default_text_posn, image_width, image_height);
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for(i = 0; i < 6; i++) {
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textpart[i] = symbol->text[i + 1];
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}
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textpart[6] = '\0';
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textpos = scaler * (24 + xoffset);
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draw_string(pixelbuf, textpart, textpos, (image_height - 17), image_width, image_height);
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draw_string(pixelbuf, textpart, textpos, default_text_posn, image_width, image_height);
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textpart[0] = symbol->text[7];
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textpart[1] = '\0';
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textpos = scaler * (55 + xoffset);
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draw_string(pixelbuf, textpart, textpos, (image_height - 17), image_width, image_height);
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draw_string(pixelbuf, textpart, textpos, default_text_posn, image_width, image_height);
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textdone = 1;
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switch(strlen(addon)) {
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case 2:
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@ -809,9 +852,9 @@ int png_plot(struct zint_symbol *symbol, int rotate_angle)
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}
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/* Put the human readable text at the bottom */
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if((textdone == 0) && (strlen(symbol->text) != 0)) {
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if((textdone == 0) && (ustrlen(local_text) != 0)) {
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textpos = (image_width / 2);
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draw_string(pixelbuf, symbol->text, textpos, (image_height - 17), image_width, image_height);
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draw_string(pixelbuf, (char*)local_text, textpos, default_text_posn, image_width, image_height);
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}
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error_number=png_to_file(symbol, image_height, image_width, pixelbuf, rotate_angle);
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