Add scale option and make whitespace and border options more consistent.

backend/common.c

@@ -134,3 +134,20 @@ void expand(struct zint_symbol *symbol, char data[])
 	}
 	symbol->rows = symbol->rows + 1;
 }
+
+int is_stackable(int symbology) {
+	/* Indicates which symbologies can have row binding */
+	if(symbology < BARCODE_PDF417) { return 1; }
+	if(symbology == BARCODE_CODE128B) { return 1; }
+	if(symbology == BARCODE_ISBNX) { return 1; }
+	if(symbology == BARCODE_EAN14) { return 1; }
+	if(symbology == BARCODE_NVE18) { return 1; }
+	if(symbology == BARCODE_KOREAPOST) { return 1; }
+	if(symbology == BARCODE_PLESSEY) { return 1; }
+	if(symbology == BARCODE_TELEPEN_NUM) { return 1; }
+	if(symbology == BARCODE_ITF14) { return 1; }
+	if(symbology == BARCODE_CODE32) { return 1; }
+	
+	return 0;
+}
+

backend/common.h

@@ -37,3 +37,4 @@ int is_sane(char test_string[], unsigned char source[]);
 void lookup(char set_string[], char *table[], char data, char dest[]);
 int posn(char set_string[], char data);
 void expand(struct zint_symbol *symbol, char data[]);
+int is_stackable(int symbology);

backend/png.c

@@ -290,7 +290,7 @@ void draw_bar(char *pixelbuf, int xpos, int xlen, int ypos, int ylen, int image_
 	}
 }
 
-void draw_bullseye(char *pixelbuf)
+void draw_bullseye(char *pixelbuf, int image_width, int xoffset, int yoffset)
 {
 	/* Central bullseye in Maxicode symbols */
 	int i, j;
@@ -298,13 +298,13 @@ void draw_bullseye(char *pixelbuf)
 	for(j = 103; j < 196; j++) {
 		for(i = 0; i < 93; i++) {
 			if(bullseye[(((j - 103) * 93) + i)] == 1) {
-				*(pixelbuf + (300 * j) + (i + 99)) = '1';
+				*(pixelbuf + (image_width * j) + (image_width * yoffset) + i + 99 + xoffset) = '1';
 			}
 		}
 	}
 }
 
-void draw_hexagon(char *pixelbuf, int xposn, int yposn)
+void draw_hexagon(char *pixelbuf, int image_width, int xposn, int yposn)
 {
 	/* Put a hexagon into the pixel buffer */
 	int i, j;
@@ -312,7 +312,7 @@ void draw_hexagon(char *pixelbuf, int xposn, int yposn)
 	for(i = 0; i < 12; i++) {
 		for(j = 0; j < 10; j++) {
 			if(hexagon[(i * 10) + j] == 1) {
-				*(pixelbuf + (300 * i) + (300 * yposn) + xposn + j) = '1';
+				*(pixelbuf + (image_width * i) + (image_width * yposn) + xposn + j) = '1';
 			}
 		}
 	}
@@ -373,9 +373,13 @@ int maxi_png_plot(struct zint_symbol *symbol, int rotate_angle)
 	int image_height, image_width;
 	char *pixelbuf;
 	int error_number;
+	int xoffset, yoffset;
+	int scaler = (int)(2 * symbol->scale);
 
-	image_width = 300;
+	xoffset = symbol->border_width + symbol->whitespace_width;
-	image_height = 300;
+	yoffset = symbol->border_width;
+	image_width = 300 + (2 * xoffset * scaler);
+	image_height = 300 + (2 * yoffset * scaler);
 	
 	if (!(pixelbuf = (char *) malloc(image_width * image_height))) {
 		printf("Insifficient memory for pixel buffer [B9]");
@@ -386,7 +390,7 @@ int maxi_png_plot(struct zint_symbol *symbol, int rotate_angle)
 		}
 	}
 	
-	draw_bullseye(pixelbuf);
+	draw_bullseye(pixelbuf, image_width, (scaler * xoffset), (scaler * yoffset));
 	
 	for(row = 0; row < symbol->rows; row++) {
 		yposn = row * 9;
@@ -395,16 +399,28 @@ int maxi_png_plot(struct zint_symbol *symbol, int rotate_angle)
 			if(symbol->encoded_data[row][column] == '1') {
 				if((row % 2) == 0) {
 					/* Even (full) row */
-					draw_hexagon(pixelbuf, xposn, yposn);
+					draw_hexagon(pixelbuf, image_width, xposn + (scaler * xoffset), yposn + (scaler * yoffset));
 				} else {
 					/* Odd (reduced) row */
 					xposn += 5;
-					draw_hexagon(pixelbuf, xposn, yposn);
+					draw_hexagon(pixelbuf, image_width, xposn + (scaler * xoffset), yposn + (scaler * yoffset));
 				}
 			}
 		}
 	}
 
+	if(((symbol->output_options & BARCODE_BOX) != 0) || ((symbol->output_options & BARCODE_BIND) != 0)) {
+		/* boundary bars */
+		draw_bar(pixelbuf, 0, image_width, 0, symbol->border_width * scaler, image_width, image_height);
+		draw_bar(pixelbuf, 0, image_width, 300 + (symbol->border_width * scaler), symbol->border_width * scaler, image_width, image_height);
+	}
+	
+	if((symbol->output_options & BARCODE_BOX) != 0) {
+		/* side bars */
+		draw_bar(pixelbuf, 0, symbol->border_width * scaler, 0, image_height, image_width, image_height);
+		draw_bar(pixelbuf, 300 + ((symbol->border_width + symbol->whitespace_width + symbol->whitespace_width) * scaler), symbol->border_width * scaler, 0, image_height, image_width, image_height);
+	}
+	
 	error_number=png_to_file(symbol, image_height, image_width, pixelbuf, rotate_angle);
 	free(pixelbuf);
 	return error_number;
@@ -765,10 +781,12 @@ int png_plot(struct zint_symbol *symbol, int rotate_angle)
 			/* boundary bars */
 			draw_bar(pixelbuf, 0, (symbol->width + xoffset + xoffset) * scaler, textoffset * scaler, symbol->border_width * scaler, image_width, image_height);
 			draw_bar(pixelbuf, 0, (symbol->width + xoffset + xoffset) * scaler, (textoffset + symbol->height + symbol->border_width) * scaler, symbol->border_width * scaler, image_width, image_height);
-			if(symbol->rows > 1) {
+			if((symbol->symbology & BARCODE_BIND) != 0) {
-				/* row binding */
+				if((symbol->rows > 1) && (is_stackable(symbol->symbology) == 1)) {
-				for(r = 1; r < symbol->rows; r++) {
+					/* row binding */
-					draw_bar(pixelbuf, xoffset * scaler, symbol->width * scaler, ((r * row_height) + textoffset + yoffset - 1) * scaler, 2 * scaler, image_width, image_height);
+					for(r = 1; r < symbol->rows; r++) {
+						draw_bar(pixelbuf, xoffset * scaler, symbol->width * scaler, ((r * row_height) + textoffset + yoffset - 1) * scaler, 2 * scaler, image_width, image_height);
+					}
 				}
 			}
 		} else {

backend/ps.c

@@ -198,7 +198,7 @@ int ps_plot(struct zint_symbol *symbol)
 	if(symbol->symbology != BARCODE_MAXICODE) {
 		fprintf(feps, "%%%%BoundingBox: 0 0 %d %d\n", roundup((symbol->width + xoffset + xoffset) * scaler), roundup((symbol->height + textoffset + yoffset + yoffset) * scaler));
 	} else {
-		fprintf(feps, "%%%%BoundingBox: 0 0 %d %d\n", roundup(74.0 * scaler), roundup(72.0 * scaler));
+		fprintf(feps, "%%%%BoundingBox: 0 0 %d %d\n", roundup((74.0 + xoffset + xoffset) * scaler), roundup((72.0 + yoffset + yoffset) * scaler));
 	}
 	fprintf(feps, "%%%%EndComments\n");
 	
@@ -222,34 +222,50 @@ int ps_plot(struct zint_symbol *symbol)
 		/* Maxicode uses hexagons */
 		float ax, ay, bx, by, cx, cy, dx, dy, ex, ey, fx, fy, mx, my;
 		
+				
+		textoffset = 0.0;
+		if (((symbol->output_options & BARCODE_BOX) != 0) || ((symbol->output_options & BARCODE_BIND) != 0)) {
+			fprintf(feps, "TE\n");
+			fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
+			fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", symbol->border_width * scaler, textoffset * scaler, 0.0, (74.0 + xoffset + xoffset) * scaler);
+			fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", symbol->border_width * scaler, (textoffset + 72.0 + symbol->border_width) * scaler, 0.0, (74.0 + xoffset + xoffset) * scaler);
+		}
+		if((symbol->output_options & BARCODE_BOX) != 0) {
+			/* side bars */
+			fprintf(feps, "TE\n");
+			fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
+			fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", (72.0 + (2 * symbol->border_width)) * scaler, textoffset * scaler, 0.0, symbol->border_width * scaler); 
+			fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", (72.0 + (2 * symbol->border_width)) * scaler, textoffset * scaler, (74.0 + xoffset + xoffset - symbol->border_width) * scaler, symbol->border_width * scaler);
+		}
+		
 		fprintf(feps, "TE\n");
 		fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
 		fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
-		fprintf(feps, "%.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f TC\n", 35.76 * scaler, 35.60 * scaler, 10.85 * scaler, 35.76 * scaler, 35.60 * scaler, 8.97 * scaler, 44.73 * scaler, 35.60 * scaler);
+		fprintf(feps, "%.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f TC\n", (35.76 + xoffset) * scaler, (35.60 + yoffset) * scaler, 10.85 * scaler, (35.76 + xoffset) * scaler, (35.60 + yoffset) * scaler, 8.97 * scaler, (44.73 + xoffset) * scaler, (35.60 + yoffset) * scaler);
-		fprintf(feps, "%.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f TC\n", 35.76 * scaler, 35.60 * scaler, 7.10 * scaler, 35.76 * scaler, 35.60 * scaler, 5.22 * scaler, 40.98 * scaler, 35.60 * scaler);
+		fprintf(feps, "%.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f TC\n", (35.76 + xoffset) * scaler, (35.60 + yoffset) * scaler, 7.10 * scaler, (35.76 + xoffset) * scaler, (35.60 + yoffset) * scaler, 5.22 * scaler, (40.98 + xoffset) * scaler, (35.60 + yoffset) * scaler);
-		fprintf(feps, "%.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f TC\n", 35.76 * scaler, 35.60 * scaler, 3.31 * scaler, 35.76 * scaler, 35.60 * scaler, 1.43 * scaler, 37.19 * scaler, 35.60 * scaler);
+		fprintf(feps, "%.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f TC\n", (35.76 + xoffset) * scaler, (35.60 + yoffset) * scaler, 3.31 * scaler, (35.76 + xoffset) * scaler, (35.60 + yoffset) * scaler, 1.43 * scaler, (37.19 + xoffset) * scaler, (35.60 + yoffset) * scaler);
 		for(r = 0; r < symbol->rows; r++) {
 			for(i = 0; i < symbol->width; i++) {
 				if(symbol->encoded_data[r][i] == '1') {
 					/* Dump a hexagon */
 					my = ((symbol->rows - r - 1)) * 2.135 + 1.43;
-					ay = my + 1.0;
+					ay = my + 1.0 + yoffset;
-					by = my + 0.5;
+					by = my + 0.5 + yoffset;
-					cy = my - 0.5;
+					cy = my - 0.5 + yoffset;
-					dy = my - 1.0;
+					dy = my - 1.0 + yoffset;
-					ey = my - 0.5;
+					ey = my - 0.5 + yoffset;
-					fy = my + 0.5;
+					fy = my + 0.5 + yoffset;
 					if(r % 2 == 1) {
 						mx = (2.46 * i) + 1.23 + 1.23;
 					} else {
 						mx = (2.46 * i) + 1.23;
 					}
-					ax = mx;
+					ax = mx + xoffset;
-					bx = mx + 0.86;
+					bx = mx + 0.86 + xoffset;
-					cx = mx + 0.86;
+					cx = mx + 0.86 + xoffset;
-					dx = mx;
+					dx = mx + xoffset;
-					ex = mx - 0.86;
+					ex = mx - 0.86 + xoffset;
-					fx = mx - 0.86;
+					fx = mx - 0.86 + xoffset;
 					fprintf(feps, "%.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f TH\n", ax * scaler, ay * scaler, bx * scaler, by * scaler, cx * scaler, cy * scaler, dx * scaler, dy * scaler, ex * scaler, ey * scaler, fx * scaler, fy * scaler);
 				}
 			}
@@ -685,52 +701,49 @@ int ps_plot(struct zint_symbol *symbol)
 
 	xoffset -= comp_offset;
 
-
+	switch(symbol->symbology) {
-	/* Put boundary bars or box around symbol */
+		case BARCODE_CODABLOCKF:
-	if (((symbol->output_options & BARCODE_BOX) != 0) || ((symbol->output_options & BARCODE_BIND) != 0)) {
-		if(symbol->symbology != BARCODE_CODABLOCKF) {
-			/* boundary bars */
-			fprintf(feps, "TE\n");
-			fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
-			fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", symbol->border_width * scaler, textoffset * scaler, 0.0, (symbol->width + xoffset + xoffset) * scaler);
-			fprintf(feps, "TE\n");
-			fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
-			fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", symbol->border_width * scaler, (textoffset + symbol->height + symbol->border_width) * scaler, 0.0, (symbol->width + xoffset + xoffset) * scaler);
-			if(symbol->rows > 1) {
-				/* row binding */
-				for(r = 1; r < symbol->rows; r++) {
-					fprintf(feps, "TE\n");
-					fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
-					fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", 2.0, ((r * row_height) + textoffset + yoffset - 1) * scaler, xoffset * scaler, symbol->width * scaler);
-				}
-			}
-		} else {
-			/* boundary bars */
 			fprintf(feps, "TE\n");
 			fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
 			fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", symbol->border_width * scaler, textoffset * scaler, xoffset * scaler, symbol->width * scaler);
-			fprintf(feps, "TE\n");
-			fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
 			fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", symbol->border_width * scaler, (textoffset + symbol->height + symbol->border_width) * scaler, xoffset * scaler, symbol->width * scaler);
 			if(symbol->rows > 1) {
 				/* row binding */
+				fprintf(feps, "TE\n");
+				fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
 				for(r = 1; r < symbol->rows; r++) {
-					fprintf(feps, "TE\n");
-					fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
 					fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", 2.0, ((r * row_height) + textoffset + yoffset - 1) * scaler, (xoffset + 11) * scaler, (symbol->width - 24) * scaler);
 				}
 			}
-		}
+			break;
-	}
+		case BARCODE_MAXICODE:
-	
+			/* Do nothing! (It's already been done) */
-	if((symbol->output_options & BARCODE_BOX) != 0) {
+			break;
-		/* side bars */
+		default:
-		fprintf(feps, "TE\n");
+			if((symbol->output_options & BARCODE_BIND) != 0) {
-		fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
+				if((symbol->rows > 1) && (is_stackable(symbol->symbology) == 1)) {
-		fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", (symbol->height + (2 * symbol->border_width)) * scaler, textoffset * scaler, 0.0, symbol->border_width * scaler); 
+					/* row binding */
-		fprintf(feps, "TE\n");
+					fprintf(feps, "TE\n");
-		fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
+					fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
-		fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", (symbol->height + (2 * symbol->border_width)) * scaler, textoffset * scaler, (symbol->width + xoffset + xoffset - symbol->border_width) * scaler, symbol->border_width * scaler);
+					for(r = 1; r < symbol->rows; r++) {
+						fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", 2.0, ((r * row_height) + textoffset + yoffset - 1) * scaler, xoffset * scaler, symbol->width * scaler);
+					}
+				}
+			}
+			if (((symbol->output_options & BARCODE_BOX) != 0) || ((symbol->output_options & BARCODE_BIND) != 0)) {
+				fprintf(feps, "TE\n");
+				fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
+				fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", symbol->border_width * scaler, textoffset * scaler, 0.0, (symbol->width + xoffset + xoffset) * scaler);
+				fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", symbol->border_width * scaler, (textoffset + symbol->height + symbol->border_width) * scaler, 0.0, (symbol->width + xoffset + xoffset) * scaler);
+			}
+			if((symbol->output_options & BARCODE_BOX) != 0) {
+				/* side bars */
+				fprintf(feps, "TE\n");
+				fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
+				fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", (symbol->height + (2 * symbol->border_width)) * scaler, textoffset * scaler, 0.0, symbol->border_width * scaler); 
+				fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n", (symbol->height + (2 * symbol->border_width)) * scaler, textoffset * scaler, (symbol->width + xoffset + xoffset - symbol->border_width) * scaler, symbol->border_width * scaler);
+			}
+			break;
 	}
 	
 	/* Put the human readable text at the bottom */