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https://github.com/zint/zint
synced 2024-11-16 20:57:25 +13:00
Ultra: add colour output to EMF
This commit is contained in:
Robin Stuart
parent
5861ad3c3b
commit
c57b74a7e6
174
backend/emf.c
174
backend/emf.c
@ -41,6 +41,51 @@
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#include "common.h"
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#include "emf.h"
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int colour_to_red(int colour) {
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int return_val = 0;
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switch(colour) {
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case 0: // White
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case 3: // Magenta
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case 4: // Red
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case 5: // Yellow
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return_val = 255;
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break;
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}
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return return_val;
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}
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int colour_to_green(int colour) {
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int return_val = 0;
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switch(colour) {
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case 0: // White
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case 1: // Cyan
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case 5: // Yellow
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case 6: // Green
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return_val = 255;
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break;
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}
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return return_val;
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}
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int colour_to_blue(int colour) {
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int return_val = 0;
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switch(colour) {
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case 0: // White
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case 1: // Cyan
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case 2: // Blue
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case 3: // Magenta
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return_val = 255;
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break;
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}
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return return_val;
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}
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int count_rectangles(struct zint_symbol *symbol) {
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int rectangles = 0;
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struct zint_vector_rect *rect;
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@ -136,6 +181,8 @@ int emf_plot(struct zint_symbol *symbol) {
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int string_count, this_text;
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int bytecount, recordcount;
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float radius;
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int colours_used = 0;
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int rectangle_count_bycolour[8];
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unsigned char *this_string[6];
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uint32_t spacing;
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@ -150,8 +197,10 @@ int emf_plot(struct zint_symbol *symbol) {
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emr_eof_t emr_eof;
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emr_createbrushindirect_t emr_createbrushindirect_fg;
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emr_createbrushindirect_t emr_createbrushindirect_bg;
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emr_createbrushindirect_t emr_createbrushindirect_colour[8]; // Used for colour symbols only
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emr_selectobject_t emr_selectobject_fgbrush;
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emr_selectobject_t emr_selectobject_bgbrush;
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emr_selectobject_t emr_selectobject_colour[8]; // Used for colour symbols only
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emr_createpen_t emr_createpen;
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emr_selectobject_t emr_selectobject_pen;
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emr_rectangle_t background;
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@ -190,7 +239,24 @@ int emf_plot(struct zint_symbol *symbol) {
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hexagon = (emr_polygon_t*) _alloca(hexagon_count * sizeof (emr_polygon_t));
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text = (emr_exttextoutw_t*) _alloca(string_count * sizeof (emr_exttextoutw_t));
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#endif
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//Calculate how many coloured rectangles
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if (symbol->symbology == BARCODE_ULTRA) {
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for (i = 0; i < 8; i++) {
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rectangle_count_bycolour[i] = 0;
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}
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rect = symbol->vector->rectangles;
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this_rectangle = 0;
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while (rect) {
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if (rectangle_count_bycolour[rect->colour] == 0) {
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colours_used++;
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}
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rectangle_count_bycolour[rect->colour]++;
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rect = rect->next;
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}
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}
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/* Header */
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emr_header.type = 0x00000001; // EMR_HEADER
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emr_header.size = 88; // Assuming no additional data in header
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@ -217,21 +283,9 @@ int emf_plot(struct zint_symbol *symbol) {
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recordcount = 1;
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/* Create Brushes */
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emr_createbrushindirect_fg.type = 0x00000027; // EMR_CREATEBRUSHINDIRECT
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emr_createbrushindirect_fg.size = 24;
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emr_createbrushindirect_fg.ih_brush = 1;
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emr_createbrushindirect_fg.log_brush.brush_style = 0x0000; // BS_SOLID
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emr_createbrushindirect_fg.log_brush.color.red = fgred;
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emr_createbrushindirect_fg.log_brush.color.green = fggrn;
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emr_createbrushindirect_fg.log_brush.color.blue = fgblu;
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emr_createbrushindirect_fg.log_brush.color.reserved = 0;
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emr_createbrushindirect_fg.log_brush.brush_hatch = 0x0006; // HS_SOLIDCLR
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bytecount += 24;
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recordcount++;
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emr_createbrushindirect_bg.type = 0x00000027; // EMR_CREATEBRUSHINDIRECT
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emr_createbrushindirect_bg.size = 24;
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emr_createbrushindirect_bg.ih_brush = 2;
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emr_createbrushindirect_bg.ih_brush = 1;
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emr_createbrushindirect_bg.log_brush.brush_style = 0x0000; // BS_SOLID
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emr_createbrushindirect_bg.log_brush.color.red = bgred;
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emr_createbrushindirect_bg.log_brush.color.green = bggrn;
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@ -241,22 +295,60 @@ int emf_plot(struct zint_symbol *symbol) {
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bytecount += 24;
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recordcount++;
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emr_selectobject_fgbrush.type = 0x00000025; // EMR_SELECTOBJECT
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emr_selectobject_fgbrush.size = 12;
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emr_selectobject_fgbrush.ih_object = 1;
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bytecount += 12;
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recordcount++;
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if (symbol->symbology == BARCODE_ULTRA) {
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for (i = 0; i < 8; i++) {
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emr_createbrushindirect_colour[i].type = 0x00000027; // EMR_CREATEBRUSHINDIRECT
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emr_createbrushindirect_colour[i].size = 24;
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emr_createbrushindirect_colour[i].ih_brush = 2 + i;
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emr_createbrushindirect_colour[i].log_brush.brush_style = 0x0000; // BS_SOLID
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emr_createbrushindirect_colour[i].log_brush.color.red = colour_to_red(i);
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emr_createbrushindirect_colour[i].log_brush.color.green = colour_to_green(i);
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emr_createbrushindirect_colour[i].log_brush.color.blue = colour_to_blue(i);
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emr_createbrushindirect_colour[i].log_brush.color.reserved = 0;
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emr_createbrushindirect_colour[i].log_brush.brush_hatch = 0x0006; // HS_SOLIDCLR
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}
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bytecount += colours_used * 24;
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recordcount += colours_used;
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} else {
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emr_createbrushindirect_fg.type = 0x00000027; // EMR_CREATEBRUSHINDIRECT
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emr_createbrushindirect_fg.size = 24;
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emr_createbrushindirect_fg.ih_brush = 2;
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emr_createbrushindirect_fg.log_brush.brush_style = 0x0000; // BS_SOLID
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emr_createbrushindirect_fg.log_brush.color.red = fgred;
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emr_createbrushindirect_fg.log_brush.color.green = fggrn;
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emr_createbrushindirect_fg.log_brush.color.blue = fgblu;
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emr_createbrushindirect_fg.log_brush.color.reserved = 0;
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emr_createbrushindirect_fg.log_brush.brush_hatch = 0x0006; // HS_SOLIDCLR
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bytecount += 24;
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recordcount++;
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}
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emr_selectobject_bgbrush.type = 0x00000025; // EMR_SELECTOBJECT
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emr_selectobject_bgbrush.size = 12;
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emr_selectobject_bgbrush.ih_object = 2;
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emr_selectobject_bgbrush.ih_object = 1;
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bytecount += 12;
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recordcount++;
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if (symbol->symbology == BARCODE_ULTRA) {
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for (i = 0; i < 8; i++) {
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emr_selectobject_colour[i].type = 0x00000025; // EMR_SELECTOBJECT
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emr_selectobject_colour[i].size = 12;
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emr_selectobject_colour[i].ih_object = 2 + i;
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}
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bytecount += colours_used * 12;
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recordcount += colours_used;
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} else {
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emr_selectobject_fgbrush.type = 0x00000025; // EMR_SELECTOBJECT
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emr_selectobject_fgbrush.size = 12;
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emr_selectobject_fgbrush.ih_object = 2;
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bytecount += 12;
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recordcount++;
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}
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/* Create Pens */
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emr_createpen.type = 0x00000026; // EMR_CREATEPEN
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emr_createpen.size = 28;
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emr_createpen.ih_pen = 3;
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emr_createpen.ih_pen = 10;
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emr_createpen.log_pen.pen_style = 0x00000005; // PS_NULL
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emr_createpen.log_pen.width.x = 1;
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emr_createpen.log_pen.width.y = 0; // ignored
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@ -269,7 +361,7 @@ int emf_plot(struct zint_symbol *symbol) {
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emr_selectobject_pen.type = 0x00000025; // EMR_SELECTOBJECT
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emr_selectobject_pen.size = 12;
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emr_selectobject_pen.ih_object = 3;
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emr_selectobject_pen.ih_object = 10;
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bytecount += 12;
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recordcount++;
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@ -459,8 +551,18 @@ int emf_plot(struct zint_symbol *symbol) {
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fwrite(&emr_header, sizeof (emr_header_t), 1, emf_file);
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fwrite(&emr_createbrushindirect_fg, sizeof (emr_createbrushindirect_t), 1, emf_file);
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fwrite(&emr_createbrushindirect_bg, sizeof (emr_createbrushindirect_t), 1, emf_file);
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if (symbol->symbology == BARCODE_ULTRA) {
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for (i = 0; i < 8; i++) {
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if (rectangle_count_bycolour[i]) {
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fwrite(&emr_createbrushindirect_colour[i], sizeof (emr_createbrushindirect_t), 1, emf_file);
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}
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}
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} else {
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fwrite(&emr_createbrushindirect_fg, sizeof (emr_createbrushindirect_t), 1, emf_file);
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}
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fwrite(&emr_createpen, sizeof (emr_createpen_t), 1, emf_file);
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if (symbol->vector->strings) {
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@ -471,11 +573,29 @@ int emf_plot(struct zint_symbol *symbol) {
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fwrite(&emr_selectobject_pen, sizeof (emr_selectobject_t), 1, emf_file);
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fwrite(&background, sizeof (emr_rectangle_t), 1, emf_file);
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fwrite(&emr_selectobject_fgbrush, sizeof (emr_selectobject_t), 1, emf_file);
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if (symbol->symbology == BARCODE_ULTRA) {
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for(i = 0; i < 8; i++) {
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if (rectangle_count_bycolour[i]) {
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fwrite(&emr_selectobject_colour[i], sizeof (emr_selectobject_t), 1, emf_file);
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// Rectangles
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for (i = 0; i < rectangle_count; i++) {
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fwrite(&rectangle[i], sizeof (emr_rectangle_t), 1, emf_file);
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rect = symbol->vector->rectangles;
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this_rectangle = 0;
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while (rect) {
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if (rect->colour == i) {
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fwrite(&rectangle[this_rectangle], sizeof (emr_rectangle_t), 1, emf_file);
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}
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this_rectangle++;
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rect = rect->next;
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}
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}
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}
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} else {
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fwrite(&emr_selectobject_fgbrush, sizeof (emr_selectobject_t), 1, emf_file);
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// Rectangles
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for (i = 0; i < rectangle_count; i++) {
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fwrite(&rectangle[i], sizeof (emr_rectangle_t), 1, emf_file);
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}
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}
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// Hexagons
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