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Add enhanced metafile format (EMF) support

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This commit is contained in:
Robin Stuart 2016-12-23 16:48:03 +00:00
parent ca88e089ea
commit d1e406b7d2
6 changed files with 1470 additions and 2 deletions
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2
backend/CMakeLists.txt
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@ -8,7 +8,7 @@ set(zint_COMMON_SRCS common.c library.c render.c large.c reedsol.c gs1.c eci.c)
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)
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)
set(zint_OUTPUT_SRCS render.c ps.c svg.c bmp.c pcx.c gif.c png.c raster.c)
set(zint_OUTPUT_SRCS render.c ps.c svg.c emf.c bmp.c pcx.c gif.c png.c raster.c)
set(zint_SRCS ${zint_OUTPUT_SRCS} ${zint_COMMON_SRCS} ${zint_ONEDIM_SRCS} ${zint_POSTAL_SRCS} ${zint_TWODIM_SRCS})
if(PNG_FOUND)

1246
backend/emf.c Normal file
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File diff suppressed because it is too large Load Diff

216
backend/emf.h Normal file
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@ -0,0 +1,216 @@
/* emf.h - header structure for Microsoft EMF
libzint - the open source barcode library
Copyright (C) 2016 Robin Stuart <rstuart114@gmail.com>
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.
*/
#ifndef EMF_H
#define EMF_H
#ifdef __cplusplus
extern "C" {
#endif
#ifdef _MSC_VER
#include <windows.h>
#include "stdint_msvc.h"
#else
#include <stdint.h>
#endif
#pragma pack(1)
typedef struct rect_l {
int32_t left;
int32_t top;
int32_t right;
int32_t bottom;
} rect_l_t;
typedef struct size_l {
uint32_t cx;
uint32_t cy;
} size_l_t;
typedef struct point_l {
int32_t x;
int32_t y;
} point_l_t;
typedef struct color_ref {
uint8_t red;
uint8_t green;
uint8_t blue;
uint8_t reserved;
} color_ref_t;
typedef struct log_brush_ex {
uint32_t brush_style;
color_ref_t color;
uint32_t brush_hatch;
} log_brush_ex_t;
typedef struct log_pen {
uint32_t pen_style;
point_l_t width;
color_ref_t color_ref;
} log_pen_t;
typedef struct log_font {
int32_t height;
int32_t width;
int32_t escapement;
int32_t orientation;
int32_t weight;
uint8_t italic;
uint8_t underline;
uint8_t strike_out;
uint8_t char_set;
uint8_t out_precision;
uint8_t clip_precision;
uint8_t quality;
uint8_t pitch_and_family;
unsigned char facename[64];
} log_font_t;
typedef struct emr_text {
point_l_t reference;
uint32_t chars;
uint32_t off_string;
uint32_t options;
rect_l_t rectangle;
uint32_t off_dx;
} emr_text_t;
typedef struct emf_header {
rect_l_t bounds;
rect_l_t frame;
uint32_t record_signature;
uint32_t version;
uint32_t bytes;
uint32_t records;
uint16_t handles;
uint16_t reserved;
uint32_t n_description;
uint32_t off_description;
uint32_t n_pal_entries;
size_l_t device;
size_l_t millimeters;
} emf_header_t;
typedef struct emr_header {
uint32_t type;
uint32_t size;
emf_header_t emf_header;
} emr_header_t;
typedef struct emr_createbrushindirect {
uint32_t type;
uint32_t size;
uint32_t ih_brush;
log_brush_ex_t log_brush;
} emr_createbrushindirect_t;
typedef struct emr_createpen {
uint32_t type;
uint32_t size;
uint32_t ih_pen;
log_pen_t log_pen;
} emr_createpen_t;
typedef struct emr_selectobject {
uint32_t type;
uint32_t size;
uint32_t ih_object;
} emr_selectobject_t;
typedef struct emr_rectangle {
uint32_t type;
uint32_t size;
rect_l_t box;
} emr_rectangle_t;
typedef struct emr_ellipse {
uint32_t type;
uint32_t size;
rect_l_t box;
} emr_ellipse_t;
typedef struct emr_polygon {
uint32_t type;
uint32_t size;
rect_l_t bounds;
uint32_t count;
point_l_t a_points_a;
point_l_t a_points_b;
point_l_t a_points_c;
point_l_t a_points_d;
point_l_t a_points_e;
point_l_t a_points_f;
} emr_polygon_t;
typedef struct emr_extcreatefontindirectw {
uint32_t type;
uint32_t size;
uint32_t ih_fonts;
log_font_t elw;
} emr_extcreatefontindirectw_t;
typedef struct emr_exttextoutw {
uint32_t type;
uint32_t size;
rect_l_t bounds;
uint32_t i_graphics_mode;
float ex_scale;
float ey_scale;
emr_text_t w_emr_text;
} emr_exttextoutw_t;
typedef struct emr_eof {
uint32_t type;
uint32_t size;
uint32_t n_pal_entries;
uint32_t off_pal_entries;
uint32_t size_last;
} emr_eof_t;
typedef struct box {
emr_rectangle_t top;
emr_rectangle_t bottom;
emr_rectangle_t left;
emr_rectangle_t right;
} box_t;
#pragma pack()
#ifdef __cplusplus
}
#endif
#endif /* EMF_H */

4
backend/library.c
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@ -209,6 +209,7 @@ extern int plot_raster(struct zint_symbol *symbol, int rotate_angle, int file_ty
extern int render_plot(struct zint_symbol *symbol, float width, float height); /* Plot to gLabels */
extern int ps_plot(struct zint_symbol *symbol); /* Plot to EPS */
extern int svg_plot(struct zint_symbol *symbol); /* Plot to SVG */
extern int emf_plot(struct zint_symbol *symbol); /* Plot to Metafile */
void error_tag(char error_string[], int error_number) {
char error_buffer[100];
@ -1130,6 +1131,9 @@ int ZBarcode_Print(struct zint_symbol *symbol, int rotate_angle) {
} else
if (!(strcmp(output, "SVG"))) {
error_number = svg_plot(symbol);
} else
if (!(strcmp(output, "EMF"))) {
error_number = emf_plot(symbol);
} else {
strcpy(symbol->errtxt, "Unknown output format (B25)");
error_tag(symbol->errtxt, ZINT_ERROR_INVALID_OPTION);

2
backend/svg.c
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@ -316,7 +316,7 @@ int svg_plot(struct zint_symbol *symbol) {
row_posn += yoffset;
if (symbol->output_options & BARCODE_DOTTY_MODE) {
/* Use (currently undocumented) dot mode - see SF ticket #29 */
/* Use dot mode */
for (i = 0; i < symbol->width; i++) {
if (module_is_set(symbol, this_row, i)) {
fprintf(fsvg, " <circle cx=\"%.2f\" cy=\"%.2f\" r=\"%.2f\" fill=\"#%s\" />\n", ((i + xoffset) * scaler) + (scaler / 2.0), (row_posn * scaler) + (scaler / 2.0), (symbol->dot_size / 2.0) * scaler, symbol->fgcolour);

2
backend/zint.h
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@ -240,6 +240,8 @@ extern "C" {
#define OUT_BMP_FILE 120
#define OUT_GIF_FILE 140
#define OUT_PCX_FILE 160
#define OUT_JPG_FILE 180
#define OUT_TIF_FILE 200
#if defined(__WIN32__) || defined(_WIN32) || defined(WIN32) || defined(_MSC_VER)
#if defined (DLL_EXPORT) || defined(PIC) || defined(_USRDLL)