Examples with PDPatternContentStream org.apache.pdfbox.pdmodel.PDPatternContentStream used on opensource projects

Example 1 with PDPatternContentStream

use of org.apache.pdfbox.pdmodel.PDPatternContentStream in project pdfbox by apache.

the class CreatePatternsPDF method main.

public static void main(String[] args) throws IOException {
    try (PDDocument doc = new PDDocument()) {
        PDPage page = new PDPage();
        doc.addPage(page);
        page.setResources(new PDResources());
        // Colored pattern, i.e. the pattern content stream will set its own color(s)
        try (PDPageContentStream pcs = new PDPageContentStream(doc, page)) {
            // Colored pattern, i.e. the pattern content stream will set its own color(s)
            PDColorSpace patternCS1 = new PDPattern(null, PDDeviceRGB.INSTANCE);
            // Table 75 spec
            PDTilingPattern tilingPattern1 = new PDTilingPattern();
            tilingPattern1.setBBox(new PDRectangle(0, 0, 10, 10));
            tilingPattern1.setPaintType(PDTilingPattern.PAINT_COLORED);
            tilingPattern1.setTilingType(PDTilingPattern.TILING_CONSTANT_SPACING);
            tilingPattern1.setXStep(10);
            tilingPattern1.setYStep(10);
            COSName patternName1 = page.getResources().add(tilingPattern1);
            try (PDPatternContentStream cs1 = new PDPatternContentStream(tilingPattern1)) {
                // Set color, draw diagonal line + 2 more diagonals so that corners look good
                cs1.setStrokingColor(Color.red);
                cs1.moveTo(0, 0);
                cs1.lineTo(10, 10);
                cs1.moveTo(-1, 9);
                cs1.lineTo(1, 11);
                cs1.moveTo(9, -1);
                cs1.lineTo(11, 1);
                cs1.stroke();
            }
            PDColor patternColor1 = new PDColor(patternName1, patternCS1);
            pcs.addRect(50, 500, 200, 200);
            pcs.setNonStrokingColor(patternColor1);
            pcs.fill();
            // Uncolored pattern - the color is passed later
            PDTilingPattern tilingPattern2 = new PDTilingPattern();
            tilingPattern2.setBBox(new PDRectangle(0, 0, 10, 10));
            tilingPattern2.setPaintType(PDTilingPattern.PAINT_UNCOLORED);
            tilingPattern2.setTilingType(PDTilingPattern.TILING_NO_DISTORTION);
            tilingPattern2.setXStep(10);
            tilingPattern2.setYStep(10);
            COSName patternName2 = page.getResources().add(tilingPattern2);
            try (PDPatternContentStream cs2 = new PDPatternContentStream(tilingPattern2)) {
                // draw a cross
                cs2.moveTo(0, 5);
                cs2.lineTo(10, 5);
                cs2.moveTo(5, 0);
                cs2.lineTo(5, 10);
                cs2.stroke();
            }
            // Uncolored pattern colorspace needs to know the colorspace
            // for the color values that will be passed when painting the fill
            PDColorSpace patternCS2 = new PDPattern(null, PDDeviceRGB.INSTANCE);
            PDColor patternColor2green = new PDColor(new float[] { 0, 1, 0 }, patternName2, patternCS2);
            pcs.addRect(300, 500, 100, 100);
            pcs.setNonStrokingColor(patternColor2green);
            pcs.fill();
            // same pattern again but with different color + different pattern start position
            PDColor patternColor2blue = new PDColor(new float[] { 0, 0, 1 }, patternName2, patternCS2);
            pcs.addRect(455, 505, 100, 100);
            pcs.setNonStrokingColor(patternColor2blue);
            pcs.fill();
        }
        doc.save("patterns.pdf");
    }
}