/* emf.c - Support for Microsoft Enhanced Metafile Format libzint - the open source barcode library Copyright (C) 2016 - 2021 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. */ /* vim: set ts=4 sw=4 et : */ /* Developed according to [MS-EMF] - v20160714, Released July 14, 2016 * and [MS-WMF] - v20160714, Released July 14, 2016 */ #include #include #include #include #ifdef _MSC_VER #include #include #include #endif #include "common.h" #include "emf.h" /* Multiply truncating to 3 decimal places (avoids rounding differences on various platforms) */ #define mul3dpf(m, arg) stripf(roundf(m * arg * 1000.0) / 1000.0f) static int count_rectangles(struct zint_symbol *symbol) { int rectangles = 0; struct zint_vector_rect *rect; rect = symbol->vector->rectangles; while (rect) { rectangles++; rect = rect->next; } return rectangles; } static int count_circles(struct zint_symbol *symbol) { int circles = 0; struct zint_vector_circle *circ; circ = symbol->vector->circles; while (circ) { circles++; circ = circ->next; } /* Hack for MaxiCode */ return symbol->symbology == BARCODE_MAXICODE ? circles * 2 : circles; } static int count_hexagons(struct zint_symbol *symbol) { int hexagons = 0; struct zint_vector_hexagon *hex; hex = symbol->vector->hexagons; while (hex) { hexagons++; hex = hex->next; } return hexagons; } static int count_strings(struct zint_symbol *symbol, float *fsize, float *fsize2, int *halign, int *halign1, int *halign2) { int strings = 0; struct zint_vector_string *str; *fsize = *fsize2 = 0.0f; *halign = *halign1 = *halign2 = 0; str = symbol->vector->strings; while (str) { /* Allow 2 font sizes */ if (*fsize == 0.0f) { *fsize = str->fsize; } else if (str->fsize != *fsize && *fsize2 == 0.0f) { *fsize2 = str->fsize; } /* Only 3 haligns possible */ if (str->halign) { if (str->halign == 1) { *halign1 = str->halign; } else { *halign2 = str->halign; } } strings++; str = str->next; } return strings; } static void utfle_copy(unsigned char *output, unsigned char *input, int length) { int i; int o; /* Convert UTF-8 to UTF-16LE - only needs to handle characters <= U+00FF */ i = 0; o = 0; do { if (input[i] <= 0x7f) { /* 1 byte mode (7-bit ASCII) */ output[o] = input[i]; output[o + 1] = 0x00; o += 2; i++; } else { /* 2 byte mode */ output[o] = ((input[i] & 0x1f) << 6) + (input[i + 1] & 0x3f); output[o + 1] = 0x00; o += 2; i += 2; } } while (i < length); } static int bump_up(int input) { /* Strings length must be a multiple of 4 bytes */ if ((input & 1) == 1) { input++; } return input; } static int utfle_length(unsigned char *input, int length) { int result = 0; int i; for (i = 0; i < length; i++) { result++; if (input[i] >= 0x80) { /* 2 byte UTF-8 counts as one UTF-16LE character */ i++; } } return result; } INTERNAL int emf_plot(struct zint_symbol *symbol, int rotate_angle) { int i; FILE *emf_file; int fgred, fggrn, fgblu, bgred, bggrn, bgblu; int error_number = 0; int rectangle_count, this_rectangle; int circle_count, this_circle; int hexagon_count, this_hexagon; int string_count, this_text; int bytecount, recordcount; float previous_diameter; float radius, half_radius, half_sqrt3_radius; int colours_used = 0; int rectangle_bycolour[9] = {0}; int width, height; int draw_background = 1; int bold; const int output_to_stdout = symbol->output_options & BARCODE_STDOUT; struct zint_vector_rect *rect; struct zint_vector_circle *circ; struct zint_vector_hexagon *hex; struct zint_vector_string *str; /* Allow for up to 6 strings (current max 3 for UPC/EAN) */ unsigned char *this_string[6]; emr_exttextoutw_t text[6]; float text_fsizes[6]; int text_haligns[6]; emr_header_t emr_header; emr_eof_t emr_eof; emr_mapmode_t emr_mapmode; emr_setworldtransform_t emr_setworldtransform; emr_createbrushindirect_t emr_createbrushindirect_fg; emr_createbrushindirect_t emr_createbrushindirect_bg; emr_createbrushindirect_t emr_createbrushindirect_colour[9]; // Used for colour symbols only emr_selectobject_t emr_selectobject_fgbrush; emr_selectobject_t emr_selectobject_bgbrush; emr_selectobject_t emr_selectobject_colour[9]; // Used for colour symbols only emr_createpen_t emr_createpen; emr_selectobject_t emr_selectobject_pen; emr_rectangle_t background; emr_settextcolor_t emr_settextcolor; float fsize; emr_extcreatefontindirectw_t emr_extcreatefontindirectw; emr_selectobject_t emr_selectobject_font; float fsize2; emr_extcreatefontindirectw_t emr_extcreatefontindirectw2; emr_selectobject_t emr_selectobject_font2; int halign; emr_settextalign_t emr_settextalign; int halign1; emr_settextalign_t emr_settextalign1; int halign2; emr_settextalign_t emr_settextalign2; float current_fsize; int current_halign; #ifdef _MSC_VER emr_rectangle_t *rectangle; emr_ellipse_t *circle; emr_polygon_t *hexagon; #endif if (symbol->vector == NULL) { strcpy(symbol->errtxt, "643: Vector header NULL"); return ZINT_ERROR_INVALID_DATA; } fgred = (16 * ctoi(symbol->fgcolour[0])) + ctoi(symbol->fgcolour[1]); fggrn = (16 * ctoi(symbol->fgcolour[2])) + ctoi(symbol->fgcolour[3]); fgblu = (16 * ctoi(symbol->fgcolour[4])) + ctoi(symbol->fgcolour[5]); bgred = (16 * ctoi(symbol->bgcolour[0])) + ctoi(symbol->bgcolour[1]); bggrn = (16 * ctoi(symbol->bgcolour[2])) + ctoi(symbol->bgcolour[3]); bgblu = (16 * ctoi(symbol->bgcolour[4])) + ctoi(symbol->bgcolour[5]); if (strlen(symbol->bgcolour) > 6) { if ((ctoi(symbol->bgcolour[6]) == 0) && (ctoi(symbol->bgcolour[7]) == 0)) { draw_background = 0; } } rectangle_count = count_rectangles(symbol); circle_count = count_circles(symbol); hexagon_count = count_hexagons(symbol); string_count = count_strings(symbol, &fsize, &fsize2, &halign, &halign1, &halign2); #ifndef _MSC_VER // Avoid sanitize runtime error by making always non-zero emr_rectangle_t rectangle[rectangle_count ? rectangle_count : 1]; emr_ellipse_t circle[circle_count ? circle_count : 1]; emr_polygon_t hexagon[hexagon_count ? hexagon_count : 1]; #else rectangle = (emr_rectangle_t *) _alloca(rectangle_count * sizeof(emr_rectangle_t)); circle = (emr_ellipse_t *) _alloca(circle_count * sizeof(emr_ellipse_t)); hexagon = (emr_polygon_t *) _alloca(hexagon_count * sizeof(emr_polygon_t)); #endif // Calculate how many coloured rectangles if (symbol->symbology == BARCODE_ULTRA) { rect = symbol->vector->rectangles; while (rect) { if (rect->colour == -1) { /* Foreground colour */ if (rectangle_bycolour[0] == 0) { colours_used++; rectangle_bycolour[0] = 1; } } else { if (rectangle_bycolour[rect->colour] == 0) { colours_used++; rectangle_bycolour[rect->colour] = 1; } } rect = rect->next; } } width = (int) ceilf(symbol->vector->width); height = (int) ceilf(symbol->vector->height); /* Header */ emr_header.type = 0x00000001; // EMR_HEADER emr_header.size = 108; // Including extensions emr_header.emf_header.bounds.left = 0; emr_header.emf_header.bounds.right = rotate_angle == 90 || rotate_angle == 270 ? height : width; emr_header.emf_header.bounds.bottom = rotate_angle == 90 || rotate_angle == 270 ? width : height; emr_header.emf_header.bounds.top = 0; emr_header.emf_header.frame.left = 0; emr_header.emf_header.frame.right = emr_header.emf_header.bounds.right * 30; emr_header.emf_header.frame.top = 0; emr_header.emf_header.frame.bottom = emr_header.emf_header.bounds.bottom * 30; emr_header.emf_header.record_signature = 0x464d4520; // ENHMETA_SIGNATURE emr_header.emf_header.version = 0x00010000; if (symbol->symbology == BARCODE_ULTRA) { emr_header.emf_header.handles = 12; // Number of graphics objects } else { emr_header.emf_header.handles = fsize2 != 0.0f ? 5 : 4; } emr_header.emf_header.reserved = 0x0000; emr_header.emf_header.n_description = 0; emr_header.emf_header.off_description = 0; emr_header.emf_header.n_pal_entries = 0; emr_header.emf_header.device.cx = 1000; emr_header.emf_header.device.cy = 1000; emr_header.emf_header.millimeters.cx = 300; emr_header.emf_header.millimeters.cy = 300; /* HeaderExtension1 */ emr_header.emf_header.cb_pixel_format = 0x0000; // None set emr_header.emf_header.off_pixel_format = 0x0000; // None set emr_header.emf_header.b_open_gl = 0x0000; // OpenGL not present /* HeaderExtension2 */ emr_header.emf_header.micrometers.cx = 0; emr_header.emf_header.micrometers.cy = 0; bytecount = 108; recordcount = 1; emr_mapmode.type = 0x00000011; // EMR_SETMAPMODE emr_mapmode.size = 12; emr_mapmode.mapmode = 0x01; // MM_TEXT bytecount += 12; recordcount++; if (rotate_angle) { emr_setworldtransform.type = 0x00000023; // EMR_SETWORLDTRANSFORM emr_setworldtransform.size = 32; emr_setworldtransform.m11 = rotate_angle == 90 ? 0.0f : rotate_angle == 180 ? -1.0f : 0.0f; emr_setworldtransform.m12 = rotate_angle == 90 ? 1.0f : rotate_angle == 180 ? 0.0f : -1.0f; emr_setworldtransform.m21 = rotate_angle == 90 ? -1.0f : rotate_angle == 180 ? 0.0f : 1.0f; emr_setworldtransform.m22 = rotate_angle == 90 ? 0.0f : rotate_angle == 180 ? -1.0f : 0.0f; emr_setworldtransform.dx = rotate_angle == 90 ? height : rotate_angle == 180 ? width : 0.0f; emr_setworldtransform.dy = rotate_angle == 90 ? 0.0f : rotate_angle == 180 ? height : width; bytecount += 32; recordcount++; } /* Create Brushes */ emr_createbrushindirect_bg.type = 0x00000027; // EMR_CREATEBRUSHINDIRECT emr_createbrushindirect_bg.size = 24; emr_createbrushindirect_bg.ih_brush = 1; emr_createbrushindirect_bg.log_brush.brush_style = 0x0000; // BS_SOLID emr_createbrushindirect_bg.log_brush.color.red = bgred; emr_createbrushindirect_bg.log_brush.color.green = bggrn; emr_createbrushindirect_bg.log_brush.color.blue = bgblu; emr_createbrushindirect_bg.log_brush.color.reserved = 0; emr_createbrushindirect_bg.log_brush.brush_hatch = 0x0006; // HS_SOLIDCLR bytecount += 24; recordcount++; if (symbol->symbology == BARCODE_ULTRA) { for (i = 0; i < 9; i++) { emr_createbrushindirect_colour[i].type = 0x00000027; // EMR_CREATEBRUSHINDIRECT emr_createbrushindirect_colour[i].size = 24; emr_createbrushindirect_colour[i].ih_brush = 2 + i; emr_createbrushindirect_colour[i].log_brush.brush_style = 0x0000; // BS_SOLID if (i == 0) { emr_createbrushindirect_colour[i].log_brush.color.red = fgred; emr_createbrushindirect_colour[i].log_brush.color.green = fggrn; emr_createbrushindirect_colour[i].log_brush.color.blue = fgblu; } else { emr_createbrushindirect_colour[i].log_brush.color.red = colour_to_red(i); emr_createbrushindirect_colour[i].log_brush.color.green = colour_to_green(i); emr_createbrushindirect_colour[i].log_brush.color.blue = colour_to_blue(i); } emr_createbrushindirect_colour[i].log_brush.color.reserved = 0; emr_createbrushindirect_colour[i].log_brush.brush_hatch = 0x0006; // HS_SOLIDCLR } bytecount += colours_used * 24; recordcount += colours_used; } else { emr_createbrushindirect_fg.type = 0x00000027; // EMR_CREATEBRUSHINDIRECT emr_createbrushindirect_fg.size = 24; emr_createbrushindirect_fg.ih_brush = 2; emr_createbrushindirect_fg.log_brush.brush_style = 0x0000; // BS_SOLID emr_createbrushindirect_fg.log_brush.color.red = fgred; emr_createbrushindirect_fg.log_brush.color.green = fggrn; emr_createbrushindirect_fg.log_brush.color.blue = fgblu; emr_createbrushindirect_fg.log_brush.color.reserved = 0; emr_createbrushindirect_fg.log_brush.brush_hatch = 0x0006; // HS_SOLIDCLR bytecount += 24; recordcount++; } emr_selectobject_bgbrush.type = 0x00000025; // EMR_SELECTOBJECT emr_selectobject_bgbrush.size = 12; emr_selectobject_bgbrush.ih_object = 1; bytecount += 12; recordcount++; if (symbol->symbology == BARCODE_ULTRA) { for (i = 0; i < 9; i++) { emr_selectobject_colour[i].type = 0x00000025; // EMR_SELECTOBJECT emr_selectobject_colour[i].size = 12; emr_selectobject_colour[i].ih_object = 2 + i; } bytecount += colours_used * 12; recordcount += colours_used; } else { emr_selectobject_fgbrush.type = 0x00000025; // EMR_SELECTOBJECT emr_selectobject_fgbrush.size = 12; emr_selectobject_fgbrush.ih_object = 2; bytecount += 12; recordcount++; } /* Create Pens */ emr_createpen.type = 0x00000026; // EMR_CREATEPEN emr_createpen.size = 28; emr_createpen.ih_pen = 11; emr_createpen.log_pen.pen_style = 0x00000005; // PS_NULL emr_createpen.log_pen.width.x = 1; emr_createpen.log_pen.width.y = 0; // ignored emr_createpen.log_pen.color_ref.red = 0; emr_createpen.log_pen.color_ref.green = 0; emr_createpen.log_pen.color_ref.blue = 0; emr_createpen.log_pen.color_ref.reserved = 0; bytecount += 28; recordcount++; emr_selectobject_pen.type = 0x00000025; // EMR_SELECTOBJECT emr_selectobject_pen.size = 12; emr_selectobject_pen.ih_object = 11; bytecount += 12; recordcount++; if (draw_background) { /* Make background from a rectangle */ background.type = 0x0000002b; // EMR_RECTANGLE background.size = 24; background.box.top = 0; background.box.left = 0; background.box.right = emr_header.emf_header.bounds.right; background.box.bottom = emr_header.emf_header.bounds.bottom; bytecount += 24; recordcount++; } // Rectangles rect = symbol->vector->rectangles; this_rectangle = 0; while (rect) { rectangle[this_rectangle].type = 0x0000002b; // EMR_RECTANGLE rectangle[this_rectangle].size = 24; rectangle[this_rectangle].box.top = (int32_t) rect->y; rectangle[this_rectangle].box.bottom = (int32_t) stripf(rect->y + rect->height); rectangle[this_rectangle].box.left = (int32_t) rect->x; rectangle[this_rectangle].box.right = (int32_t) stripf(rect->x + rect->width); this_rectangle++; bytecount += 24; recordcount++; rect = rect->next; } // Circles previous_diameter = radius = 0.0f; circ = symbol->vector->circles; this_circle = 0; while (circ) { /* Note using circle width the proper way, with a non-null pen of specified width and a null brush for fill, causes various different rendering issues for LibreOffice Draw and Inkscape, so using following hack */ if (previous_diameter != circ->diameter + circ->width) { /* Drawing MaxiCode bullseye using overlayed discs */ previous_diameter = circ->diameter + circ->width; radius = mul3dpf(0.5, previous_diameter); } circle[this_circle].type = 0x0000002a; // EMR_ELLIPSE circle[this_circle].size = 24; circle[this_circle].box.top = (int32_t) stripf(circ->y - radius); circle[this_circle].box.bottom = (int32_t) stripf(circ->y + radius); circle[this_circle].box.left = (int32_t) stripf(circ->x - radius); circle[this_circle].box.right = (int32_t) stripf(circ->x + radius); this_circle++; bytecount += 24; recordcount++; if (symbol->symbology == BARCODE_MAXICODE) { /* Drawing MaxiCode bullseye using overlayed discs */ float inner_radius = radius - circ->width; circle[this_circle].type = 0x0000002a; // EMR_ELLIPSE circle[this_circle].size = 24; circle[this_circle].box.top = (int32_t) stripf(circ->y - inner_radius); circle[this_circle].box.bottom = (int32_t) stripf(circ->y + inner_radius); circle[this_circle].box.left = (int32_t) stripf(circ->x - inner_radius); circle[this_circle].box.right = (int32_t) stripf(circ->x + inner_radius); this_circle++; bytecount += 24; recordcount++; } circ = circ->next; } // Hexagons previous_diameter = radius = half_radius = half_sqrt3_radius = 0.0f; hex = symbol->vector->hexagons; this_hexagon = 0; while (hex) { hexagon[this_hexagon].type = 0x00000003; // EMR_POLYGON hexagon[this_hexagon].size = 76; hexagon[this_hexagon].count = 6; if (previous_diameter != hex->diameter) { previous_diameter = hex->diameter; radius = mul3dpf(0.5, previous_diameter); half_radius = mul3dpf(0.25, previous_diameter); half_sqrt3_radius = mul3dpf(0.43301270189221932338, previous_diameter); } /* Note rotation done via world transform */ hexagon[this_hexagon].a_points_a.x = (int32_t) hex->x; hexagon[this_hexagon].a_points_a.y = (int32_t) stripf(hex->y + radius); hexagon[this_hexagon].a_points_b.x = (int32_t) stripf(hex->x + half_sqrt3_radius); hexagon[this_hexagon].a_points_b.y = (int32_t) stripf(hex->y + half_radius); hexagon[this_hexagon].a_points_c.x = (int32_t) stripf(hex->x + half_sqrt3_radius); hexagon[this_hexagon].a_points_c.y = (int32_t) stripf(hex->y - half_radius); hexagon[this_hexagon].a_points_d.x = (int32_t) hex->x; hexagon[this_hexagon].a_points_d.y = (int32_t) stripf(hex->y - radius); hexagon[this_hexagon].a_points_e.x = (int32_t) stripf(hex->x - half_sqrt3_radius); hexagon[this_hexagon].a_points_e.y = (int32_t) stripf(hex->y - half_radius); hexagon[this_hexagon].a_points_f.x = (int32_t) stripf(hex->x - half_sqrt3_radius); hexagon[this_hexagon].a_points_f.y = (int32_t) stripf(hex->y + half_radius); hexagon[this_hexagon].bounds.top = hexagon[this_hexagon].a_points_d.y; hexagon[this_hexagon].bounds.bottom = hexagon[this_hexagon].a_points_a.y; hexagon[this_hexagon].bounds.left = hexagon[this_hexagon].a_points_e.x; hexagon[this_hexagon].bounds.right = hexagon[this_hexagon].a_points_c.x; this_hexagon++; bytecount += 76; recordcount++; hex = hex->next; } /* Create font records, alignment records and text color */ if (symbol->vector->strings) { bold = (symbol->output_options & BOLD_TEXT) && (!is_extendable(symbol->symbology) || (symbol->output_options & SMALL_TEXT)); memset(&emr_extcreatefontindirectw, 0, sizeof(emr_extcreatefontindirectw)); emr_extcreatefontindirectw.type = 0x00000052; // EMR_EXTCREATEFONTINDIRECTW emr_extcreatefontindirectw.size = 104; emr_extcreatefontindirectw.ih_fonts = 12; emr_extcreatefontindirectw.elw.height = (int32_t) fsize; emr_extcreatefontindirectw.elw.width = 0; // automatic emr_extcreatefontindirectw.elw.weight = bold ? 700 : 400; emr_extcreatefontindirectw.elw.char_set = 0x00; // ANSI_CHARSET emr_extcreatefontindirectw.elw.out_precision = 0x00; // OUT_DEFAULT_PRECIS emr_extcreatefontindirectw.elw.clip_precision = 0x00; // CLIP_DEFAULT_PRECIS emr_extcreatefontindirectw.elw.pitch_and_family = 0x02 | (0x02 << 6); // FF_SWISS | VARIABLE_PITCH utfle_copy(emr_extcreatefontindirectw.elw.facename, (unsigned char *) "sans-serif", 10); bytecount += 104; recordcount++; emr_selectobject_font.type = 0x00000025; // EMR_SELECTOBJECT emr_selectobject_font.size = 12; emr_selectobject_font.ih_object = 12; bytecount += 12; recordcount++; if (fsize2) { memcpy(&emr_extcreatefontindirectw2, &emr_extcreatefontindirectw, sizeof(emr_extcreatefontindirectw)); emr_extcreatefontindirectw2.ih_fonts = 13; emr_extcreatefontindirectw2.elw.height = (int32_t) fsize2; bytecount += 104; recordcount++; emr_selectobject_font2.type = 0x00000025; // EMR_SELECTOBJECT emr_selectobject_font2.size = 12; emr_selectobject_font2.ih_object = 13; bytecount += 12; recordcount++; } /* Note select aligns counted below in strings loop */ emr_settextalign.type = 0x00000016; // EMR_SETTEXTALIGN emr_settextalign.size = 12; emr_settextalign.text_alignment_mode = 0x0006 | 0x0018; // TA_CENTER | TA_BASELINE if (halign1) { emr_settextalign1.type = 0x00000016; // EMR_SETTEXTALIGN emr_settextalign1.size = 12; emr_settextalign1.text_alignment_mode = 0x0000 | 0x0018; // TA_LEFT | TA_BASELINE } if (halign2) { emr_settextalign2.type = 0x00000016; // EMR_SETTEXTALIGN emr_settextalign2.size = 12; emr_settextalign2.text_alignment_mode = 0x0002 | 0x0018; // TA_RIGHT | TA_BASELINE } emr_settextcolor.type = 0x0000018; // EMR_SETTEXTCOLOR emr_settextcolor.size = 12; emr_settextcolor.color.red = fgred; emr_settextcolor.color.green = fggrn; emr_settextcolor.color.blue = fgblu; emr_settextcolor.color.reserved = 0; bytecount += 12; recordcount++; } // Text this_text = 0; // Loop over font sizes so that they're grouped together, so only have to select font twice at most for (i = 0, current_fsize = fsize; i < 2 && current_fsize; i++, current_fsize = fsize2) { str = symbol->vector->strings; current_halign = -1; while (str) { int utfle_len; int bumped_len; if (str->fsize != current_fsize) { str = str->next; continue; } text_fsizes[this_text] = str->fsize; text_haligns[this_text] = str->halign; if (text_haligns[this_text] != current_halign) { current_halign = text_haligns[this_text]; bytecount += 12; recordcount++; } assert(str->length > 0); utfle_len = utfle_length(str->text, str->length); bumped_len = bump_up(utfle_len) * 2; if (!(this_string[this_text] = (unsigned char *) malloc(bumped_len))) { for (i = 0; i < this_text; i++) { free(this_string[i]); } strcpy(symbol->errtxt, "641: Insufficient memory for EMF string buffer"); return ZINT_ERROR_MEMORY; } memset(this_string[this_text], 0, bumped_len); text[this_text].type = 0x00000054; // EMR_EXTTEXTOUTW text[this_text].size = 76 + bumped_len; text[this_text].bounds.top = 0; // ignored text[this_text].bounds.left = 0; // ignored text[this_text].bounds.right = 0xffffffff; // ignored text[this_text].bounds.bottom = 0xffffffff; // ignored text[this_text].i_graphics_mode = 0x00000002; // GM_ADVANCED text[this_text].ex_scale = 1.0f; text[this_text].ey_scale = 1.0f; text[this_text].w_emr_text.reference.x = (int32_t) str->x; text[this_text].w_emr_text.reference.y = (int32_t) str->y; text[this_text].w_emr_text.chars = utfle_len; text[this_text].w_emr_text.off_string = 76; text[this_text].w_emr_text.options = 0; text[this_text].w_emr_text.rectangle.top = 0; text[this_text].w_emr_text.rectangle.left = 0; text[this_text].w_emr_text.rectangle.right = 0xffffffff; text[this_text].w_emr_text.rectangle.bottom = 0xffffffff; text[this_text].w_emr_text.off_dx = 0; utfle_copy(this_string[this_text], str->text, str->length); bytecount += 76 + bumped_len; recordcount++; this_text++; str = str->next; } } /* Suppress clang-tidy clang-analyzer-core.UndefinedBinaryOperatorResult warning */ assert(this_text == string_count); /* Create EOF record */ emr_eof.type = 0x0000000e; // EMR_EOF emr_eof.size = 20; // Assuming no palette entries emr_eof.n_pal_entries = 0; emr_eof.off_pal_entries = 0; emr_eof.size_last = emr_eof.size; bytecount += 20; recordcount++; if (symbol->symbology == BARCODE_MAXICODE) { bytecount += 5 * sizeof(emr_selectobject_t); recordcount += 5; } /* Put final counts in header */ emr_header.emf_header.bytes = bytecount; emr_header.emf_header.records = recordcount; /* Send EMF data to file */ if (output_to_stdout) { #ifdef _MSC_VER if (-1 == _setmode(_fileno(stdout), _O_BINARY)) { sprintf(symbol->errtxt, "642: Could not set stdout to binary (%d: %.30s)", errno, strerror(errno)); return ZINT_ERROR_FILE_ACCESS; } #endif emf_file = stdout; } else { if (!(emf_file = fopen(symbol->outfile, "wb"))) { sprintf(symbol->errtxt, "640: Could not open output file (%d: %.30s)", errno, strerror(errno)); return ZINT_ERROR_FILE_ACCESS; } } fwrite(&emr_header, sizeof(emr_header_t), 1, emf_file); fwrite(&emr_mapmode, sizeof(emr_mapmode_t), 1, emf_file); if (rotate_angle) { fwrite(&emr_setworldtransform, sizeof(emr_setworldtransform_t), 1, emf_file); } fwrite(&emr_createbrushindirect_bg, sizeof(emr_createbrushindirect_t), 1, emf_file); if (symbol->symbology == BARCODE_ULTRA) { for (i = 0; i < 9; i++) { if (rectangle_bycolour[i]) { fwrite(&emr_createbrushindirect_colour[i], sizeof(emr_createbrushindirect_t), 1, emf_file); } } } else { fwrite(&emr_createbrushindirect_fg, sizeof(emr_createbrushindirect_t), 1, emf_file); } fwrite(&emr_createpen, sizeof(emr_createpen_t), 1, emf_file); if (symbol->vector->strings) { fwrite(&emr_extcreatefontindirectw, sizeof(emr_extcreatefontindirectw_t), 1, emf_file); if (fsize2) { fwrite(&emr_extcreatefontindirectw2, sizeof(emr_extcreatefontindirectw_t), 1, emf_file); } } fwrite(&emr_selectobject_bgbrush, sizeof(emr_selectobject_t), 1, emf_file); fwrite(&emr_selectobject_pen, sizeof(emr_selectobject_t), 1, emf_file); if (draw_background) { fwrite(&background, sizeof(emr_rectangle_t), 1, emf_file); } if (symbol->symbology == BARCODE_ULTRA) { for (i = 0; i < 9; i++) { if (rectangle_bycolour[i]) { fwrite(&emr_selectobject_colour[i], sizeof(emr_selectobject_t), 1, emf_file); rect = symbol->vector->rectangles; this_rectangle = 0; while (rect) { if ((i == 0 && rect->colour == -1) || rect->colour == i) { fwrite(&rectangle[this_rectangle], sizeof(emr_rectangle_t), 1, emf_file); } this_rectangle++; rect = rect->next; } } } } else { fwrite(&emr_selectobject_fgbrush, sizeof(emr_selectobject_t), 1, emf_file); // Rectangles for (i = 0; i < rectangle_count; i++) { fwrite(&rectangle[i], sizeof(emr_rectangle_t), 1, emf_file); } } // Hexagons for (i = 0; i < hexagon_count; i++) { fwrite(&hexagon[i], sizeof(emr_polygon_t), 1, emf_file); } // Circles if (symbol->symbology == BARCODE_MAXICODE) { // Bullseye needed for (i = 0; i < circle_count; i++) { fwrite(&circle[i], sizeof(emr_ellipse_t), 1, emf_file); if (i < circle_count - 1) { if (i % 2) { fwrite(&emr_selectobject_fgbrush, sizeof(emr_selectobject_t), 1, emf_file); } else { fwrite(&emr_selectobject_bgbrush, sizeof(emr_selectobject_t), 1, emf_file); } } } } else { for (i = 0; i < circle_count; i++) { fwrite(&circle[i], sizeof(emr_ellipse_t), 1, emf_file); } } // Text if (string_count > 0) { fwrite(&emr_selectobject_font, sizeof(emr_selectobject_t), 1, emf_file); fwrite(&emr_settextcolor, sizeof(emr_settextcolor_t), 1, emf_file); } current_fsize = fsize; current_halign = -1; for (i = 0; i < string_count; i++) { if (text_fsizes[i] != current_fsize) { current_fsize = text_fsizes[i]; fwrite(&emr_selectobject_font2, sizeof(emr_selectobject_t), 1, emf_file); } if (text_haligns[i] != current_halign) { current_halign = text_haligns[i]; if (current_halign == 0) { fwrite(&emr_settextalign, sizeof(emr_settextalign_t), 1, emf_file); } else if (current_halign == 1) { fwrite(&emr_settextalign1, sizeof(emr_settextalign_t), 1, emf_file); } else { fwrite(&emr_settextalign2, sizeof(emr_settextalign_t), 1, emf_file); } } fwrite(&text[i], sizeof(emr_exttextoutw_t), 1, emf_file); fwrite(this_string[i], bump_up(text[i].w_emr_text.chars) * 2, 1, emf_file); free(this_string[i]); } fwrite(&emr_eof, sizeof(emr_eof_t), 1, emf_file); if (output_to_stdout) { fflush(emf_file); } else { fclose(emf_file); } return error_number; }