Java Code Examples for com.google.zxing.common.BitMatrix#setRegion()
The following examples show how to use
com.google.zxing.common.BitMatrix#setRegion() .
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Example 1
Source File: OneDimensionalCodeWriter.java From ScreenCapture with MIT License | 6 votes |
/** * @return a byte array of horizontal pixels (0 = white, 1 = black) */ private static BitMatrix renderResult(boolean[] code, int width, int height, int sidesMargin) { int inputWidth = code.length; // Add quiet zone on both sides. int fullWidth = inputWidth + sidesMargin; int outputWidth = Math.max(width, fullWidth); int outputHeight = Math.max(1, height); int multiple = outputWidth / fullWidth; int leftPadding = (outputWidth - (inputWidth * multiple)) / 2; BitMatrix output = new BitMatrix(outputWidth, outputHeight); for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) { if (code[inputX]) { output.setRegion(outputX, 0, multiple, outputHeight); } } return output; }
Example 2
Source File: OneDimensionalCodeWriter.java From RipplePower with Apache License 2.0 | 6 votes |
/** * @return a byte array of horizontal pixels (0 = white, 1 = black) */ private static BitMatrix renderResult(boolean[] code, int width, int height, int sidesMargin) { int inputWidth = code.length; // Add quiet zone on both sides. int fullWidth = inputWidth + sidesMargin; int outputWidth = Math.max(width, fullWidth); int outputHeight = Math.max(1, height); int multiple = outputWidth / fullWidth; int leftPadding = (outputWidth - (inputWidth * multiple)) / 2; BitMatrix output = new BitMatrix(outputWidth, outputHeight); for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) { if (code[inputX]) { output.setRegion(outputX, 0, multiple, outputHeight); } } return output; }
Example 3
Source File: OneDimensionalCodeWriter.java From ZXing-Orient with Apache License 2.0 | 6 votes |
/** * @return a byte array of horizontal pixels (0 = white, 1 = black) */ private static BitMatrix renderResult(boolean[] code, int width, int height, int sidesMargin) { int inputWidth = code.length; // Add quiet zone on both sides. int fullWidth = inputWidth + sidesMargin; int outputWidth = Math.max(width, fullWidth); int outputHeight = Math.max(1, height); int multiple = outputWidth / fullWidth; int leftPadding = (outputWidth - (inputWidth * multiple)) / 2; BitMatrix output = new BitMatrix(outputWidth, outputHeight); for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) { if (code[inputX]) { output.setRegion(outputX, 0, multiple, outputHeight); } } return output; }
Example 4
Source File: OneDimensionalCodeWriter.java From Tesseract-OCR-Scanner with Apache License 2.0 | 6 votes |
/** * @return a byte array of horizontal pixels (0 = white, 1 = black) */ private static BitMatrix renderResult(boolean[] code, int width, int height, int sidesMargin) { int inputWidth = code.length; // Add quiet zone on both sides. int fullWidth = inputWidth + sidesMargin; int outputWidth = Math.max(width, fullWidth); int outputHeight = Math.max(1, height); int multiple = outputWidth / fullWidth; int leftPadding = (outputWidth - (inputWidth * multiple)) / 2; BitMatrix output = new BitMatrix(outputWidth, outputHeight); for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) { if (code[inputX]) { output.setRegion(outputX, 0, multiple, outputHeight); } } return output; }
Example 5
Source File: AztecWriter.java From weex with Apache License 2.0 | 6 votes |
private static BitMatrix renderResult(AztecCode code, int width, int height) { BitMatrix input = code.getMatrix(); if (input == null) { throw new IllegalStateException(); } int inputWidth = input.getWidth(); int inputHeight = input.getHeight(); int outputWidth = Math.max(width, inputWidth); int outputHeight = Math.max(height, inputHeight); int multiple = Math.min(outputWidth / inputWidth, outputHeight / inputHeight); int leftPadding = (outputWidth - (inputWidth * multiple)) / 2; int topPadding = (outputHeight - (inputHeight * multiple)) / 2; BitMatrix output = new BitMatrix(outputWidth, outputHeight); for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) { // Write the contents of this row of the barcode for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) { if (input.get(inputX, inputY)) { output.setRegion(outputX, outputY, multiple, multiple); } } } return output; }
Example 6
Source File: OneDimensionalCodeWriter.java From QrCodeScanner with GNU General Public License v3.0 | 6 votes |
/** * @return a byte array of horizontal pixels (0 = white, 1 = black) */ private static BitMatrix renderResult(boolean[] code, int width, int height, int sidesMargin) { int inputWidth = code.length; // Add quiet zone on both sides. int fullWidth = inputWidth + sidesMargin; int outputWidth = Math.max(width, fullWidth); int outputHeight = Math.max(1, height); int multiple = outputWidth / fullWidth; int leftPadding = (outputWidth - (inputWidth * multiple)) / 2; BitMatrix output = new BitMatrix(outputWidth, outputHeight); for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) { if (code[inputX]) { output.setRegion(outputX, 0, multiple, outputHeight); } } return output; }
Example 7
Source File: Version.java From weex with Apache License 2.0 | 5 votes |
/** * See ISO 18004:2006 Annex E */ BitMatrix buildFunctionPattern() { int dimension = getDimensionForVersion(); BitMatrix bitMatrix = new BitMatrix(dimension); // Top left finder pattern + separator + format bitMatrix.setRegion(0, 0, 9, 9); // Top right finder pattern + separator + format bitMatrix.setRegion(dimension - 8, 0, 8, 9); // Bottom left finder pattern + separator + format bitMatrix.setRegion(0, dimension - 8, 9, 8); // Alignment patterns int max = alignmentPatternCenters.length; for (int x = 0; x < max; x++) { int i = alignmentPatternCenters[x] - 2; for (int y = 0; y < max; y++) { if ((x == 0 && (y == 0 || y == max - 1)) || (x == max - 1 && y == 0)) { // No alignment patterns near the three finder paterns continue; } bitMatrix.setRegion(alignmentPatternCenters[y] - 2, i, 5, 5); } } // Vertical timing pattern bitMatrix.setRegion(6, 9, 1, dimension - 17); // Horizontal timing pattern bitMatrix.setRegion(9, 6, dimension - 17, 1); if (versionNumber > 6) { // Version info, top right bitMatrix.setRegion(dimension - 11, 0, 3, 6); // Version info, bottom left bitMatrix.setRegion(0, dimension - 11, 6, 3); } return bitMatrix; }
Example 8
Source File: Version.java From MiBandDecompiled with Apache License 2.0 | 5 votes |
BitMatrix a() { int i = getDimensionForVersion(); BitMatrix bitmatrix = new BitMatrix(i); bitmatrix.setRegion(0, 0, 9, 9); bitmatrix.setRegion(i - 8, 0, 8, 9); bitmatrix.setRegion(0, i - 8, 9, 8); int j = d.length; for (int k = 0; k < j; k++) { int l = -2 + d[k]; int i1 = 0; while (i1 < j) { if ((k != 0 || i1 != 0 && i1 != j - 1) && (k != j - 1 || i1 != 0)) { bitmatrix.setRegion(-2 + d[i1], l, 5, 5); } i1++; } } bitmatrix.setRegion(6, 9, 1, i - 17); bitmatrix.setRegion(9, 6, i - 17, 1); if (c > 6) { bitmatrix.setRegion(i - 11, 0, 3, 6); bitmatrix.setRegion(0, i - 11, 6, 3); } return bitmatrix; }
Example 9
Source File: Version.java From analyzer-of-android-for-Apache-Weex with Apache License 2.0 | 5 votes |
/** * See ISO 18004:2006 Annex E */ BitMatrix buildFunctionPattern() { int dimension = getDimensionForVersion(); BitMatrix bitMatrix = new BitMatrix(dimension); // Top left finder pattern + separator + format bitMatrix.setRegion(0, 0, 9, 9); // Top right finder pattern + separator + format bitMatrix.setRegion(dimension - 8, 0, 8, 9); // Bottom left finder pattern + separator + format bitMatrix.setRegion(0, dimension - 8, 9, 8); // Alignment patterns int max = alignmentPatternCenters.length; for (int x = 0; x < max; x++) { int i = alignmentPatternCenters[x] - 2; for (int y = 0; y < max; y++) { if ((x == 0 && (y == 0 || y == max - 1)) || (x == max - 1 && y == 0)) { // No alignment patterns near the three finder paterns continue; } bitMatrix.setRegion(alignmentPatternCenters[y] - 2, i, 5, 5); } } // Vertical timing pattern bitMatrix.setRegion(6, 9, 1, dimension - 17); // Horizontal timing pattern bitMatrix.setRegion(9, 6, dimension - 17, 1); if (versionNumber > 6) { // Version info, top right bitMatrix.setRegion(dimension - 11, 0, 3, 6); // Version info, bottom left bitMatrix.setRegion(0, dimension - 11, 6, 3); } return bitMatrix; }
Example 10
Source File: QRCodeWriter.java From analyzer-of-android-for-Apache-Weex with Apache License 2.0 | 5 votes |
private static BitMatrix renderResult(QRCode code, int width, int height, int quietZone) { ByteMatrix input = code.getMatrix(); if (input == null) { throw new IllegalStateException(); } int inputWidth = input.getWidth(); int inputHeight = input.getHeight(); int qrWidth = inputWidth + (quietZone * 2); int qrHeight = inputHeight + (quietZone * 2); int outputWidth = Math.max(width, qrWidth); int outputHeight = Math.max(height, qrHeight); int multiple = Math.min(outputWidth / qrWidth, outputHeight / qrHeight); // Padding includes both the quiet zone and the extra white pixels to accommodate the requested // dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone. // If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will // handle all the padding from 100x100 (the actual QR) up to 200x160. int leftPadding = (outputWidth - (inputWidth * multiple)) / 2; int topPadding = (outputHeight - (inputHeight * multiple)) / 2; BitMatrix output = new BitMatrix(outputWidth, outputHeight); for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) { // Write the contents of this row of the barcode for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) { if (input.get(inputX, inputY) == 1) { output.setRegion(outputX, outputY, multiple, multiple); } } } return output; }
Example 11
Source File: QRCodeWriter.java From android-quick-response-code with Apache License 2.0 | 5 votes |
private static BitMatrix renderResult(QRCode code, int width, int height) { ByteMatrix input = code.getMatrix(); if (input == null) { throw new IllegalStateException(); } int inputWidth = input.getWidth(); int inputHeight = input.getHeight(); int qrWidth = inputWidth + (QUIET_ZONE_SIZE << 1); int qrHeight = inputHeight + (QUIET_ZONE_SIZE << 1); int outputWidth = Math.max(width, qrWidth); int outputHeight = Math.max(height, qrHeight); int multiple = Math.min(outputWidth / qrWidth, outputHeight / qrHeight); // Padding includes both the quiet zone and the extra white pixels to // accommodate the // requested // dimensions. For example, if input is 25x25 the QR will be 33x33 // including the quiet zone. // If the requested size is 200x160, the multiple will be 4, for a QR of // 132x132. These will // handle all the padding from 100x100 (the actual QR) up to 200x160. int leftPadding = (outputWidth - (inputWidth * multiple)) / 2; int topPadding = (outputHeight - (inputHeight * multiple)) / 2; BitMatrix output = new BitMatrix(outputWidth, outputHeight); for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) { // Write the contents of this row of the barcode for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) { if (input.get(inputX, inputY) == 1) { output.setRegion(outputX, outputY, multiple, multiple); } } } return output; }
Example 12
Source File: Version.java From ZXing-Orient with Apache License 2.0 | 5 votes |
/** * See ISO 18004:2006 Annex E */ BitMatrix buildFunctionPattern() { int dimension = getDimensionForVersion(); BitMatrix bitMatrix = new BitMatrix(dimension); // Top left finder pattern + separator + format bitMatrix.setRegion(0, 0, 9, 9); // Top right finder pattern + separator + format bitMatrix.setRegion(dimension - 8, 0, 8, 9); // Bottom left finder pattern + separator + format bitMatrix.setRegion(0, dimension - 8, 9, 8); // Alignment patterns int max = alignmentPatternCenters.length; for (int x = 0; x < max; x++) { int i = alignmentPatternCenters[x] - 2; for (int y = 0; y < max; y++) { if ((x == 0 && (y == 0 || y == max - 1)) || (x == max - 1 && y == 0)) { // No alignment patterns near the three finder paterns continue; } bitMatrix.setRegion(alignmentPatternCenters[y] - 2, i, 5, 5); } } // Vertical timing pattern bitMatrix.setRegion(6, 9, 1, dimension - 17); // Horizontal timing pattern bitMatrix.setRegion(9, 6, dimension - 17, 1); if (versionNumber > 6) { // Version info, top right bitMatrix.setRegion(dimension - 11, 0, 3, 6); // Version info, bottom left bitMatrix.setRegion(0, dimension - 11, 6, 3); } return bitMatrix; }
Example 13
Source File: QRCodeWriter.java From barcodescanner-lib-aar with MIT License | 5 votes |
private static BitMatrix renderResult(QRCode code, int width, int height, int quietZone) { ByteMatrix input = code.getMatrix(); if (input == null) { throw new IllegalStateException(); } int inputWidth = input.getWidth(); int inputHeight = input.getHeight(); int qrWidth = inputWidth + (quietZone * 2); int qrHeight = inputHeight + (quietZone * 2); int outputWidth = Math.max(width, qrWidth); int outputHeight = Math.max(height, qrHeight); int multiple = Math.min(outputWidth / qrWidth, outputHeight / qrHeight); // Padding includes both the quiet zone and the extra white pixels to accommodate the requested // dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone. // If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will // handle all the padding from 100x100 (the actual QR) up to 200x160. int leftPadding = (outputWidth - (inputWidth * multiple)) / 2; int topPadding = (outputHeight - (inputHeight * multiple)) / 2; BitMatrix output = new BitMatrix(outputWidth, outputHeight); for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) { // Write the contents of this row of the barcode for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) { if (input.get(inputX, inputY) == 1) { output.setRegion(outputX, outputY, multiple, multiple); } } } return output; }
Example 14
Source File: Version.java From Telegram with GNU General Public License v2.0 | 5 votes |
/** * See ISO 18004:2006 Annex E */ BitMatrix buildFunctionPattern() { int dimension = getDimensionForVersion(); BitMatrix bitMatrix = new BitMatrix(dimension); // Top left finder pattern + separator + format bitMatrix.setRegion(0, 0, 9, 9); // Top right finder pattern + separator + format bitMatrix.setRegion(dimension - 8, 0, 8, 9); // Bottom left finder pattern + separator + format bitMatrix.setRegion(0, dimension - 8, 9, 8); // Alignment patterns int max = alignmentPatternCenters.length; for (int x = 0; x < max; x++) { int i = alignmentPatternCenters[x] - 2; for (int y = 0; y < max; y++) { if ((x != 0 || (y != 0 && y != max - 1)) && (x != max - 1 || y != 0)) { bitMatrix.setRegion(alignmentPatternCenters[y] - 2, i, 5, 5); } // else no o alignment patterns near the three finder patterns } } // Vertical timing pattern bitMatrix.setRegion(6, 9, 1, dimension - 17); // Horizontal timing pattern bitMatrix.setRegion(9, 6, dimension - 17, 1); if (versionNumber > 6) { // Version info, top right bitMatrix.setRegion(dimension - 11, 0, 3, 6); // Version info, bottom left bitMatrix.setRegion(0, dimension - 11, 6, 3); } return bitMatrix; }
Example 15
Source File: Version.java From Tesseract-OCR-Scanner with Apache License 2.0 | 5 votes |
/** * See ISO 18004:2006 Annex E */ BitMatrix buildFunctionPattern() { int dimension = getDimensionForVersion(); BitMatrix bitMatrix = new BitMatrix(dimension); // Top left finder pattern + separator + format bitMatrix.setRegion(0, 0, 9, 9); // Top right finder pattern + separator + format bitMatrix.setRegion(dimension - 8, 0, 8, 9); // Bottom left finder pattern + separator + format bitMatrix.setRegion(0, dimension - 8, 9, 8); // Alignment patterns int max = alignmentPatternCenters.length; for (int x = 0; x < max; x++) { int i = alignmentPatternCenters[x] - 2; for (int y = 0; y < max; y++) { if ((x == 0 && (y == 0 || y == max - 1)) || (x == max - 1 && y == 0)) { // No alignment patterns near the three finder patterns continue; } bitMatrix.setRegion(alignmentPatternCenters[y] - 2, i, 5, 5); } } // Vertical timing pattern bitMatrix.setRegion(6, 9, 1, dimension - 17); // Horizontal timing pattern bitMatrix.setRegion(9, 6, dimension - 17, 1); if (versionNumber > 6) { // Version info, top right bitMatrix.setRegion(dimension - 11, 0, 3, 6); // Version info, bottom left bitMatrix.setRegion(0, dimension - 11, 6, 3); } return bitMatrix; }
Example 16
Source File: QRCodeWriter.java From Tesseract-OCR-Scanner with Apache License 2.0 | 5 votes |
private static BitMatrix renderResult(QRCode code, int width, int height, int quietZone) { ByteMatrix input = code.getMatrix(); if (input == null) { throw new IllegalStateException(); } int inputWidth = input.getWidth(); int inputHeight = input.getHeight(); int qrWidth = inputWidth + (quietZone * 2); int qrHeight = inputHeight + (quietZone * 2); int outputWidth = Math.max(width, qrWidth); int outputHeight = Math.max(height, qrHeight); int multiple = Math.min(outputWidth / qrWidth, outputHeight / qrHeight); // Padding includes both the quiet zone and the extra white pixels to accommodate the requested // dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone. // If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will // handle all the padding from 100x100 (the actual QR) up to 200x160. int leftPadding = (outputWidth - (inputWidth * multiple)) / 2; int topPadding = (outputHeight - (inputHeight * multiple)) / 2; BitMatrix output = new BitMatrix(outputWidth, outputHeight); for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) { // Write the contents of this row of the barcode for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) { if (input.get(inputX, inputY) == 1) { output.setRegion(outputX, outputY, multiple, multiple); } } } return output; }
Example 17
Source File: Version.java From android-quick-response-code with Apache License 2.0 | 5 votes |
/** * See ISO 18004:2006 Annex E */ BitMatrix buildFunctionPattern() { int dimension = getDimensionForVersion(); BitMatrix bitMatrix = new BitMatrix(dimension); // Top left finder pattern + separator + format bitMatrix.setRegion(0, 0, 9, 9); // Top right finder pattern + separator + format bitMatrix.setRegion(dimension - 8, 0, 8, 9); // Bottom left finder pattern + separator + format bitMatrix.setRegion(0, dimension - 8, 9, 8); // Alignment patterns int max = alignmentPatternCenters.length; for (int x = 0; x < max; x++) { int i = alignmentPatternCenters[x] - 2; for (int y = 0; y < max; y++) { if ((x == 0 && (y == 0 || y == max - 1)) || (x == max - 1 && y == 0)) { // No alignment patterns near the three finder paterns continue; } bitMatrix.setRegion(alignmentPatternCenters[y] - 2, i, 5, 5); } } // Vertical timing pattern bitMatrix.setRegion(6, 9, 1, dimension - 17); // Horizontal timing pattern bitMatrix.setRegion(9, 6, dimension - 17, 1); if (versionNumber > 6) { // Version info, top right bitMatrix.setRegion(dimension - 11, 0, 3, 6); // Version info, bottom left bitMatrix.setRegion(0, dimension - 11, 6, 3); } return bitMatrix; }
Example 18
Source File: Version.java From ScreenCapture with MIT License | 5 votes |
/** * See ISO 18004:2006 Annex E */ BitMatrix buildFunctionPattern() { int dimension = getDimensionForVersion(); BitMatrix bitMatrix = new BitMatrix(dimension); // Top left finder pattern + separator + format bitMatrix.setRegion(0, 0, 9, 9); // Top right finder pattern + separator + format bitMatrix.setRegion(dimension - 8, 0, 8, 9); // Bottom left finder pattern + separator + format bitMatrix.setRegion(0, dimension - 8, 9, 8); // Alignment patterns int max = alignmentPatternCenters.length; for (int x = 0; x < max; x++) { int i = alignmentPatternCenters[x] - 2; for (int y = 0; y < max; y++) { if ((x == 0 && (y == 0 || y == max - 1)) || (x == max - 1 && y == 0)) { // No alignment patterns near the three finder patterns continue; } bitMatrix.setRegion(alignmentPatternCenters[y] - 2, i, 5, 5); } } // Vertical timing pattern bitMatrix.setRegion(6, 9, 1, dimension - 17); // Horizontal timing pattern bitMatrix.setRegion(9, 6, dimension - 17, 1); if (versionNumber > 6) { // Version info, top right bitMatrix.setRegion(dimension - 11, 0, 3, 6); // Version info, bottom left bitMatrix.setRegion(0, dimension - 11, 6, 3); } return bitMatrix; }
Example 19
Source File: Version.java From RipplePower with Apache License 2.0 | 5 votes |
/** * See ISO 18004:2006 Annex E */ BitMatrix buildFunctionPattern() { int dimension = getDimensionForVersion(); BitMatrix bitMatrix = new BitMatrix(dimension); // Top left finder pattern + separator + format bitMatrix.setRegion(0, 0, 9, 9); // Top right finder pattern + separator + format bitMatrix.setRegion(dimension - 8, 0, 8, 9); // Bottom left finder pattern + separator + format bitMatrix.setRegion(0, dimension - 8, 9, 8); // Alignment patterns int max = alignmentPatternCenters.length; for (int x = 0; x < max; x++) { int i = alignmentPatternCenters[x] - 2; for (int y = 0; y < max; y++) { if ((x == 0 && (y == 0 || y == max - 1)) || (x == max - 1 && y == 0)) { // No alignment patterns near the three finder paterns continue; } bitMatrix.setRegion(alignmentPatternCenters[y] - 2, i, 5, 5); } } // Vertical timing pattern bitMatrix.setRegion(6, 9, 1, dimension - 17); // Horizontal timing pattern bitMatrix.setRegion(9, 6, dimension - 17, 1); if (versionNumber > 6) { // Version info, top right bitMatrix.setRegion(dimension - 11, 0, 3, 6); // Version info, bottom left bitMatrix.setRegion(0, dimension - 11, 6, 3); } return bitMatrix; }
Example 20
Source File: QRCodeWriter.java From ShareBox with Apache License 2.0 | 4 votes |
private static BitMatrix renderResult(QRCode code, int width, int height, int quietZone) { ByteMatrix input = code.getMatrix(); if (input == null) { throw new IllegalStateException(); } int inputWidth = input.getWidth(); int inputHeight = input.getHeight(); int qrWidth = inputWidth; int qrHeight = inputHeight; int outputWidth = Math.max(width, qrWidth); int outputHeight = Math.max(height, qrHeight); int multiple = Math.min(outputWidth / qrWidth, outputHeight / qrHeight); // Padding includes both the quiet zone and the extra white pixels to // accommodate the requested // dimensions. For example, if input is 25x25 the QR will be 33x33 // including the quiet zone. // If the requested size is 200x160, the multiple will be 4, for a QR of // 132x132. These will // handle all the padding from 100x100 (the actual QR) up to 200x160. int leftPadding = (outputWidth - (inputWidth * multiple)) / 2; int topPadding = (outputHeight - (inputHeight * multiple)) / 2; if (leftPadding >= 0) { outputWidth = outputWidth - 2 * leftPadding; leftPadding = 0; } if (topPadding >= 0) { outputHeight = outputHeight - 2 * topPadding; topPadding = 0; } BitMatrix output = new BitMatrix(outputWidth, outputHeight); for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) { // Write the contents of this row of the barcode for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) { if (input.get(inputX, inputY) == 1) { output.setRegion(outputX, outputY, multiple, multiple); } } } return output; }