From f9d969cdd66984906719c87ed486909a673decec Mon Sep 17 00:00:00 2001 From: Robin Stuart Date: Sun, 1 Dec 2019 14:09:46 +0000 Subject: [PATCH] Remove depreciated gLabels render code --- backend/CMakeLists.txt | 2 +- backend/library.c | 57 +-- backend/render.c | 858 ----------------------------------------- 3 files changed, 19 insertions(+), 898 deletions(-) delete mode 100644 backend/render.c diff --git a/backend/CMakeLists.txt b/backend/CMakeLists.txt index 2293ad3d..29482421 100644 --- a/backend/CMakeLists.txt +++ b/backend/CMakeLists.txt @@ -8,7 +8,7 @@ set(zint_COMMON_SRCS common.c library.c large.c reedsol.c gs1.c eci.c general_fi set(zint_ONEDIM_SRCS code.c code128.c 2of5.c upcean.c telepen.c medical.c plessey.c rss.c) set(zint_POSTAL_SRCS postal.c auspost.c imail.c mailmark.c) set(zint_TWODIM_SRCS code16k.c codablock.c dmatrix.c pdf417.c qr.c maxicode.c composite.c aztec.c code49.c code1.c gridmtx.c hanxin.c dotcode.c ultra.c) -set(zint_OUTPUT_SRCS vector.c render.c ps.c svg.c emf.c bmp.c pcx.c gif.c png.c tif.c raster.c) +set(zint_OUTPUT_SRCS vector.c ps.c svg.c emf.c bmp.c pcx.c gif.c png.c tif.c raster.c) set(zint_SRCS ${zint_OUTPUT_SRCS} ${zint_COMMON_SRCS} ${zint_ONEDIM_SRCS} ${zint_POSTAL_SRCS} ${zint_TWODIM_SRCS}) if(PNG_FOUND) diff --git a/backend/library.c b/backend/library.c index 8e225548..ae0e7c50 100644 --- a/backend/library.c +++ b/backend/library.c @@ -78,7 +78,6 @@ struct zint_symbol *ZBarcode_Create() { return symbol; } -extern void render_free(struct zint_symbol *symbol); /* Free render structures */ extern void vector_free(struct zint_symbol *symbol); /* Free vector structures */ void ZBarcode_Clear(struct zint_symbol *symbol) { @@ -101,7 +100,6 @@ void ZBarcode_Clear(struct zint_symbol *symbol) { symbol->bitmap_height = 0; // If there is a rendered version, ensure its memory is released - render_free(symbol); vector_free(symbol); } @@ -110,7 +108,6 @@ void ZBarcode_Delete(struct zint_symbol *symbol) { free(symbol->bitmap); // If there is a rendered version, ensure its memory is released - render_free(symbol); vector_free(symbol); free(symbol); @@ -185,8 +182,6 @@ extern int ultracode(struct zint_symbol *symbol, const unsigned char source[], c extern int plot_raster(struct zint_symbol *symbol, int rotate_angle, int file_type); /* Plot to PNG/BMP/PCX */ extern int plot_vector(struct zint_symbol *symbol, int rotate_angle, int file_type); /* Plot to EPS/EMF/SVG */ -extern int render_plot(struct zint_symbol *symbol, float width, float height); /* Plot to gLabels - depreciated */ - void error_tag(char error_string[], int error_number) { if (error_number != 0) { @@ -385,7 +380,7 @@ static void check_row_heights(struct zint_symbol *symbol) { static int check_force_gs1(const int symbology) { /* Returns 1 if symbology MUST have GS1 data */ - + int result = is_composite(symbology); switch (symbology) { @@ -397,7 +392,7 @@ static int check_force_gs1(const int symbology) { result = 1; break; } - + return result; } @@ -449,7 +444,7 @@ static int is_matrix(const int symbology) { static int is_linear(const int symbology) { /* Returns 1 if symbology is linear (1 dimensional) */ - + int result = 0; switch (symbology) { case BARCODE_CODE11: @@ -506,7 +501,7 @@ static int is_linear(const int symbology) { result = 1; break; } - + return result; } @@ -673,7 +668,7 @@ static int reduced_charset(struct zint_symbol *symbol, const unsigned char *sour #else unsigned char* preprocessed = (unsigned char*) _alloca(in_length + 1); #endif - + if (symbol->symbology == BARCODE_CODE16K) { symbol->whitespace_width = 16; symbol->border_width = 2; @@ -689,7 +684,7 @@ static int reduced_charset(struct zint_symbol *symbol, const unsigned char *sour symbol->output_options += BARCODE_BOX; } } - + switch (symbol->input_mode & 0x07) { case DATA_MODE: case GS1_MODE: @@ -705,11 +700,11 @@ static int reduced_charset(struct zint_symbol *symbol, const unsigned char *sour } break; } - + if ((symbol->height == 0) && is_linear(symbol->symbology)) { symbol->height = 50; } - + switch (symbol->symbology) { case BARCODE_C25MATRIX: error_number = matrix_two_of_five(symbol, preprocessed, in_length); break; @@ -899,7 +894,7 @@ int escape_char_process(struct zint_symbol *symbol, unsigned char *input_string, in_posn = 0; out_posn = 0; - + do { if (input_string[in_posn] == '\\') { switch (input_string[in_posn + 1]) { @@ -973,11 +968,11 @@ int escape_char_process(struct zint_symbol *symbol, unsigned char *input_string, } out_posn++; } while (in_posn < *length); - + memcpy(input_string, escaped_string, out_posn); input_string[out_posn] = '\0'; *length = out_posn; - + error_number = 0; return error_number; @@ -1305,7 +1300,7 @@ int ZBarcode_Print(struct zint_symbol *symbol, int rotate_angle) { error_number = dump_plot(symbol); } else if (!(strcmp(output, "EPS"))) { - error_number = plot_vector(symbol, rotate_angle, OUT_EPS_FILE); + error_number = plot_vector(symbol, rotate_angle, OUT_EPS_FILE); } else if (!(strcmp(output, "SVG"))) { error_number = plot_vector(symbol, rotate_angle, OUT_SVG_FILE); @@ -1398,7 +1393,7 @@ int ZBarcode_Encode_and_Buffer(struct zint_symbol *symbol, unsigned char *input, if (error_number == 0) { error_number = first_err; } - + return error_number; } @@ -1416,7 +1411,7 @@ int ZBarcode_Encode_and_Buffer_Vector(struct zint_symbol *symbol, unsigned char if (error_number == 0) { error_number = first_err; } - + return error_number; } @@ -1487,13 +1482,13 @@ int ZBarcode_Encode_File_and_Print(struct zint_symbol *symbol, char *filename, i if (error_number >= 5) { return error_number; } - + first_err = error_number; error_number = ZBarcode_Print(symbol, rotate_angle); if (error_number == 0) { error_number = first_err; } - + return error_number; } @@ -1505,7 +1500,7 @@ int ZBarcode_Encode_File_and_Buffer(struct zint_symbol *symbol, char *filename, if (error_number >= 5) { return error_number; } - + first_err = error_number; error_number = ZBarcode_Buffer(symbol, rotate_angle); if (error_number == 0) { @@ -1523,7 +1518,7 @@ int ZBarcode_Encode_File_and_Buffer_Vector(struct zint_symbol *symbol, char *fil if (error_number >= 5) { return error_number; } - + first_err = error_number; error_number = ZBarcode_Buffer_Vector(symbol, rotate_angle); if (error_number == 0) { @@ -1533,22 +1528,6 @@ int ZBarcode_Encode_File_and_Buffer_Vector(struct zint_symbol *symbol, char *fil return error_number; } -/* - * Rendering support, initially added by Sam Lown. - * - * Converts encoded data into an intermediate format to be interpreted - * in other applications using this library. - * - * If the width and height are not set to zero, the barcode will be resized to those - * dimensions. The symbol->scale and symbol->height values are totally ignored in this case. - * - */ -int ZBarcode_Render(struct zint_symbol *symbol, const float width, const float height) { - // Send the request to the render_plot method - return render_plot(symbol, width, height); -} - int ZBarcode_Version() { return (ZINT_VERSION_MAJOR * 10000) + (ZINT_VERSION_MINOR * 100) + ZINT_VERSION_RELEASE; } - diff --git a/backend/render.c b/backend/render.c deleted file mode 100644 index 72cdaaff..00000000 --- a/backend/render.c +++ /dev/null @@ -1,858 +0,0 @@ -/* - * 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) 2009-2017 Robin Stuart - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - - 1. Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - 3. Neither the name of the project nor the names of its contributors - may be used to endorse or promote products derived from this software - without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND - ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE - FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - SUCH DAMAGE. - */ - -#include -#include -#include -#include -#ifdef _MSC_VER -#include -#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, 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, 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 *last_ring = NULL; - struct zint_render_hexagon *last_hexagon = NULL; - - int i, r, latch; - float textpos, 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]; - 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 symbol_aspect = 1; - 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; - 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 < (int)ustrlen(symbol->text); i++) { - if (latch == 1) { - addon[r] = symbol->text[i]; - r++; - } - if (symbol->text[i] == '+') { - latch = 1; - } - } - } - addon[r] = '\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; - } - } - else 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; - } - } - else 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; - } - } - - 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; - for (i = 0; i < symbol->rows; i++) { - preset_height += symbol->row_height[i]; - if (symbol->row_height[i] == 0) { - large_bar_count++; - } - } - - - /* 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) { - float encoded_symbol_aspect; - x_dimension = 0.191; - width = 0.191 * GL_CONST * total_area_width_x; - 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/ */ - // Can now cope with sizes between 80% and 200%, enforces correct aspect ratio - /* NOTE: This code will need adjustment before it correctly deals with composite symbols */ - //x_dimension = 0.330; - if (x_dimension < 0.26) { - x_dimension = 0.26; - } - if (x_dimension > 0.66) { - x_dimension = 0.66; - } - width = x_dimension * GL_CONST * total_area_width_x; - - switch (upceanflag) { - case 6: - case 12: - case 13: - /* UPC-A, UPC-E and EAN-13 */ - /* Height of bars should be 22.85mm */ - height = ((x_dimension * ((2 * symbol->border_width) + text_offset + text_height)) + (22.85 * (x_dimension / 0.33))) * GL_CONST; - break; - case 8: - /* EAN-8 */ - /* Height of bars should be 18.23mm */ - height = ((x_dimension * ((2 * symbol->border_width) + text_offset + text_height)) + (18.23 * (x_dimension / 0.33))) * GL_CONST; - break; - default: - /* EAN-2 and EAN-5 */ - /* Height of bars should be 21.10mm */ - height = ((x_dimension * ((2 * symbol->border_width) + text_offset + text_height)) + (21.10 * (x_dimension / 0.33))) * 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); - symbol->height = (int) 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 = (int) ((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) || (symbol->output_options & BARCODE_BIND)) { - 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; - } - - - if (symbol->symbology == BARCODE_MAXICODE) { - struct zint_render_ring *ring; - /* 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)) { - 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); - } - } - } - - } 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++) { - int 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 { - int 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) { - char textpart[10]; - float textwidth; - 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, 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, 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, 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, text_height * 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, text_height * 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, 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, 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, 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, text_height * 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), 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, 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, 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), 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, 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, text_height * 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), 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, 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), 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, 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, text_height * 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, text_height * scaler, symbol->width * scaler, &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) || (symbol->output_options & BARCODE_BIND)) { - 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) { - /* 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; - - line = (struct zint_render_line*) malloc(sizeof (struct zint_render_line)); - if (!line) return NULL; - - 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 (!line) return ZINT_ERROR_MEMORY; - 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; - - ring = (struct zint_render_ring *) malloc(sizeof (struct zint_render_ring)); - if (!ring) return NULL; - 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 (!ring) return ZINT_ERROR_MEMORY; - 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, float height) { - struct zint_render_hexagon *hexagon; - - hexagon = (struct zint_render_hexagon*) malloc(sizeof (struct zint_render_hexagon)); - if (!hexagon) return NULL; - hexagon->next = NULL; - hexagon->x = x; - hexagon->y = y; - hexagon->height = height; - - return hexagon; -} - -int render_plot_add_hexagon(struct zint_symbol *symbol, struct zint_render_hexagon *hexagon, struct zint_render_hexagon **last_hexagon) { - if (!hexagon) return ZINT_ERROR_MEMORY; - 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; - - string = (struct zint_render_string*) malloc(sizeof (struct zint_render_string)); - string->next = NULL; - string->x = x; - string->y = y; - string->width = width; - string->fsize = fsize; - string->length = ustrlen(text); - string->text = (unsigned char*) malloc(sizeof (unsigned char) * (ustrlen(text) + 1)); - ustrcpy(string->text, text); - - if (*last_string) - (*last_string)->next = string; - else - symbol->rendered->strings = string; // First character - *last_string = string; - - 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; - } -} - -