Examples with AffineTransform java.awt.geom.AffineTransform used on opensource projects

Example 66 with AffineTransform

use of java.awt.geom.AffineTransform in project poi by apache.

the class PPGraphics2D method getFontRenderContext.

/**
     * Get the rendering context of the <code>Font</code> within this
     * <code>Graphics2D</code> context.
     * The {@link FontRenderContext}
     * encapsulates application hints such as anti-aliasing and
     * fractional metrics, as well as target device specific information
     * such as dots-per-inch.  This information should be provided by the
     * application when using objects that perform typographical
     * formatting, such as <code>Font</code> and
     * <code>TextLayout</code>.  This information should also be provided
     * by applications that perform their own layout and need accurate
     * measurements of various characteristics of glyphs such as advance
     * and line height when various rendering hints have been applied to
     * the text rendering.
     *
     * @return a reference to an instance of FontRenderContext.
     * @see java.awt.font.FontRenderContext
     * @see java.awt.Font#createGlyphVector(FontRenderContext,char[])
     * @see java.awt.font.TextLayout
     * @since     JDK1.2
     */
public FontRenderContext getFontRenderContext() {
    boolean isAntiAliased = RenderingHints.VALUE_TEXT_ANTIALIAS_ON.equals(getRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING));
    boolean usesFractionalMetrics = RenderingHints.VALUE_FRACTIONALMETRICS_ON.equals(getRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS));
    return new FontRenderContext(new AffineTransform(), isAntiAliased, usesFractionalMetrics);
}

Example 67 with AffineTransform

use of java.awt.geom.AffineTransform in project poi by apache.

the class EscherGraphics2d method drawImage.

public boolean drawImage(Image image, AffineTransform affinetransform, ImageObserver imageobserver) {
    AffineTransform affinetransform1 = (AffineTransform) getTrans().clone();
    getTrans().concatenate(affinetransform);
    drawImage(image, 0, 0, imageobserver);
    setTrans(affinetransform1);
    return true;
}

Example 68 with AffineTransform

use of java.awt.geom.AffineTransform in project poi by apache.

the class EscherGraphics2d method drawImage.

public void drawImage(BufferedImage bufferedimage, BufferedImageOp op, int x, int y) {
    BufferedImage img = op.filter(bufferedimage, null);
    drawImage(img, new AffineTransform(1.0F, 0.0F, 0.0F, 1.0F, x, y), null);
}

Example 69 with AffineTransform

use of java.awt.geom.AffineTransform in project poi by apache.

the class DrawTextShape method drawContent.

@Override
public void drawContent(Graphics2D graphics) {
    DrawFactory.getInstance(graphics).fixFonts(graphics);
    TextShape<?, ?> s = getShape();
    Rectangle2D anchor = DrawShape.getAnchor(graphics, s);
    Insets2D insets = s.getInsets();
    double x = anchor.getX() + insets.left;
    double y = anchor.getY();
    // remember the initial transform
    AffineTransform tx = graphics.getTransform();
    // Transform of text in flipped shapes is special.
    // At this point the flip and rotation transform is already applied
    // (see DrawShape#applyTransform ), but we need to restore it to avoid painting "upside down".
    // See Bugzilla 54210.
    boolean vertFlip = s.getFlipVertical();
    boolean horzFlip = s.getFlipHorizontal();
    ShapeContainer<?, ?> sc = s.getParent();
    while (sc instanceof PlaceableShape) {
        PlaceableShape<?, ?> ps = (PlaceableShape<?, ?>) sc;
        vertFlip ^= ps.getFlipVertical();
        horzFlip ^= ps.getFlipHorizontal();
        sc = ps.getParent();
    }
    // Applying flip second time restores the original not-flipped transform
    if (horzFlip ^ vertFlip) {
        final double ax = anchor.getX();
        final double ay = anchor.getY();
        graphics.translate(ax + anchor.getWidth(), ay);
        graphics.scale(-1, 1);
        graphics.translate(-ax, -ay);
    }
    Double textRot = s.getTextRotation();
    if (textRot != null && textRot != 0) {
        final double cx = anchor.getCenterX();
        final double cy = anchor.getCenterY();
        graphics.translate(cx, cy);
        graphics.rotate(Math.toRadians(textRot));
        graphics.translate(-cx, -cy);
    }
    // first dry-run to calculate the total height of the text
    double textHeight;
    switch(s.getVerticalAlignment()) {
        default:
        case TOP:
            y += insets.top;
            break;
        case BOTTOM:
            textHeight = getTextHeight(graphics);
            y += anchor.getHeight() - textHeight - insets.bottom;
            break;
        case MIDDLE:
            textHeight = getTextHeight(graphics);
            double delta = anchor.getHeight() - textHeight - insets.top - insets.bottom;
            y += insets.top + delta / 2;
            break;
    }
    TextDirection textDir = s.getTextDirection();
    if (textDir == TextDirection.VERTICAL || textDir == TextDirection.VERTICAL_270) {
        final double deg = (textDir == TextDirection.VERTICAL) ? 90 : 270;
        final double cx = anchor.getCenterX();
        final double cy = anchor.getCenterY();
        graphics.translate(cx, cy);
        graphics.rotate(Math.toRadians(deg));
        graphics.translate(-cx, -cy);
        // old top/left edge is now bottom/left or top/right - as we operate on the already
        // rotated drawing context, both verticals can be moved in the same direction
        final double w = anchor.getWidth();
        final double h = anchor.getHeight();
        final double dx = (w - h) / 2d;
        graphics.translate(dx, -dx);
    }
    drawParagraphs(graphics, x, y);
    // restore the transform
    graphics.setTransform(tx);
}

Example 70 with AffineTransform

use of java.awt.geom.AffineTransform in project poi by apache.

the class SLGraphics method getFontRenderContext.

/**
     * Get the rendering context of the <code>Font</code> within this
     * <code>Graphics2D</code> context.
     * The {@link FontRenderContext}
     * encapsulates application hints such as anti-aliasing and
     * fractional metrics, as well as target device specific information
     * such as dots-per-inch.  This information should be provided by the
     * application when using objects that perform typographical
     * formatting, such as <code>Font</code> and
     * <code>TextLayout</code>.  This information should also be provided
     * by applications that perform their own layout and need accurate
     * measurements of various characteristics of glyphs such as advance
     * and line height when various rendering hints have been applied to
     * the text rendering.
     *
     * @return a reference to an instance of FontRenderContext.
     * @see java.awt.font.FontRenderContext
     * @see java.awt.Font#createGlyphVector(FontRenderContext,char[])
     * @see java.awt.font.TextLayout
     * @since     JDK1.2
     */
public FontRenderContext getFontRenderContext() {
    boolean isAntiAliased = RenderingHints.VALUE_TEXT_ANTIALIAS_ON.equals(getRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING));
    boolean usesFractionalMetrics = RenderingHints.VALUE_FRACTIONALMETRICS_ON.equals(getRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS));
    return new FontRenderContext(new AffineTransform(), isAntiAliased, usesFractionalMetrics);
}