Java Code Examples for javafx.scene.effect.BlendMode#SRC_OVER

public static Image addTextFx(Image image, String textString,
        Font font, Color color, int x, int y, float transparent, int shadow) {
    try {
        Group group = new Group();

        Text text = new Text(x, y, textString);
        text.setFill(color);
        text.setFont(font);
        if (shadow > 0) {
            DropShadow dropShadow = new DropShadow();
            dropShadow.setOffsetX(shadow);
            dropShadow.setOffsetY(shadow);
            text.setEffect(dropShadow);
        }

        group.getChildren().add(text);

        Blend blend = new Blend(BlendMode.SRC_OVER);
        blend.setBottomInput(new ImageInput(image));
        blend.setOpacity(1.0 - transparent);
        group.setEffect(blend);

        SnapshotParameters parameters = new SnapshotParameters();
        parameters.setFill(Color.TRANSPARENT);
        WritableImage newImage = group.snapshot(parameters, null);
        return newImage;
    } catch (Exception e) {
        logger.error(e.toString());
        return null;
    }
}
 

public static Image addArcFx(Image image, int arc, Color bgColor) {
        try {
            if (image == null || arc <= 0) {
                return null;
            }
            Group group = new Group();
            double imageWidth = image.getWidth(), imageHeight = image.getHeight();
            Scene scene = new Scene(group);

            ImageView view = new ImageView(image);
            view.setPreserveRatio(true);
            view.setFitWidth(imageWidth);
            view.setFitHeight(imageHeight);

            Rectangle clip = new Rectangle(imageWidth, imageHeight);
            clip.setArcWidth(arc);
            clip.setArcHeight(arc);
            view.setClip(clip);

            group.getChildren().add(view);

            Blend blend = new Blend(BlendMode.SRC_OVER);
            blend.setBottomInput(new ColorInput(0, 0, imageWidth, imageHeight, bgColor));
            group.setEffect(blend);

            SnapshotParameters parameters = new SnapshotParameters();
            parameters.setFill(Color.TRANSPARENT);
            WritableImage newImage = group.snapshot(parameters, null);
            return newImage;

        } catch (Exception e) {
//            logger.error(e.toString());
            return null;
        }

    }
 

public void start1(Stage primaryStage) {
    try {
        BlendMode bm1 = BlendMode.MULTIPLY;
        BlendMode bm2 = BlendMode.SRC_OVER;
        Node[] node = setEffectOnGroup(bm1, bm2);
        //Node[] node = setModeOnGroup(bm1, bm2);
        //Node[] node = setEffectOnCircle(bm1, bm2);
        //Node[] node = setEffectOnSquare(bm1, bm2);
        //Node[] node = setModeOnCircle(bm1, bm2);
        //Node[] node = setModeOnSquare(bm1, bm2);

        GridPane grid = new GridPane();
        grid.setAlignment(Pos.CENTER);
        grid.setHgap(40);
        grid.setVgap(15);
        grid.setPadding(new Insets(20, 20, 20, 20));

        int i = 0;
        grid.addRow(i++, new Text("Circle top"), new Text("Square top"));
        grid.add(node[0],    0, i++, 2, 1);
        GridPane.setHalignment(node[0], HPos.CENTER);
        grid.addRow(i++, node[1], node[2]);
        grid.add(node[3],    0, i++, 2, 1);
        GridPane.setHalignment(node[3], HPos.CENTER);
        grid.addRow(i++, node[4], node[5]);
        Text txt = new Text("Circle opacity - 0.5\nSquare opacity - 1.0");
        grid.add(txt,    0, i++, 2, 1);
        GridPane.setHalignment(txt, HPos.CENTER);

        Scene scene = new Scene(grid, 350, 350);

        primaryStage.setScene(scene);
        primaryStage.setTitle("JavaFX blend effect");
        primaryStage.onCloseRequestProperty()
                .setValue(e -> System.out.println("Bye! See you later!"));
        primaryStage.show();
    } catch (Exception ex){
        ex.printStackTrace();
    }
}
 

public static Image indicateSplitFx(Image image,
            List<Integer> rows, List<Integer> cols,
            Color lineColor, int lineWidth, boolean showSize) {
        try {
            if (rows == null || cols == null) {
                return image;
            }
            Group group = new Group();
            int width = (int) image.getWidth();
            int height = (int) image.getHeight();
            int row;
            for (int i = 0; i < rows.size(); ++i) {
                row = rows.get(i);
                if (row <= 0 || row >= height - 1) {
                    continue;
                }
                Line rowLine = new Line(0, row, width, row);
                rowLine.setStroke(lineColor);
                rowLine.setStrokeWidth(lineWidth);
                group.getChildren().add(rowLine);
            }
            int col;
            for (int i = 0; i < cols.size(); ++i) {
                col = cols.get(i);
                if (col <= 0 || col >= width - 1) {
                    continue;
                }
                Line colLine = new Line(col, 0, col, height);
                colLine.setStroke(lineColor);
                colLine.setStrokeWidth(lineWidth);
                group.getChildren().add(colLine);
            }

            if (showSize) {
                for (int i = 0; i < rows.size() - 1; ++i) {
                    int h = rows.get(i + 1) - rows.get(i) + 1;
                    for (int j = 0; j < cols.size() - 1; ++j) {
                        int w = cols.get(j + 1) - cols.get(j) + 1;
                        Text text = new Text();
                        text.setX(cols.get(j) + w / 3);
                        text.setY(rows.get(i) + h / 3);
                        text.setFill(lineColor);
                        text.setText(w + "x" + h);
                        text.setFont(new javafx.scene.text.Font(lineWidth * 3.0));
                        group.getChildren().add(text);
                    }
                }
            }

            Blend blend = new Blend(BlendMode.SRC_OVER);
            blend.setBottomInput(new ImageInput(image));
            group.setEffect(blend);

            SnapshotParameters parameters = new SnapshotParameters();
            parameters.setFill(Color.TRANSPARENT);
            WritableImage newImage = group.snapshot(parameters, null);

            return newImage;
        } catch (Exception e) {
//            logger.error(e.toString());
            return null;
        }
    }
 

public static Image combineImagesColumnFx(List<Image> images,
        Color bgColor, int interval, int Margin) {
    try {
        if (images == null || images.isEmpty()) {
            return null;
        }
        Group group = new Group();

        int x = Margin, y = Margin, width = 0, height = 0;
        for (int i = 0; i < images.size(); ++i) {
            Image image = images.get(i);
            ImageView view = new ImageView(image);
            view.setPreserveRatio(true);
            view.setFitWidth(image.getWidth());
            view.setFitHeight(image.getHeight());
            view.setX(x);
            view.setY(y);
            group.getChildren().add(view);

            x = Margin;
            y += image.getHeight() + interval;

            if (image.getWidth() > width) {
                width = (int) image.getWidth();
            }
        }

        width += 2 * Margin;
        height = y + Margin - interval;
        Blend blend = new Blend(BlendMode.SRC_OVER);
        blend.setBottomInput(new ColorInput(0, 0, width, height, bgColor));
        group.setEffect(blend);

        SnapshotParameters parameters = new SnapshotParameters();
        parameters.setFill(Color.TRANSPARENT);
        WritableImage newImage = group.snapshot(parameters, null);

        return newImage;
    } catch (Exception e) {
        logger.error(e.toString());
        return null;
    }
}
 

public static Image combineSingleColumnFx(List<Image> images) {
    if (images == null || images.isEmpty()) {
        return null;
    }
    try {
        Group group = new Group();

        double x = 0, y = 0, imageWidth, imageHeight;
        double totalWidth = 0, totalHeight = 0;

        for (Image theImage : images) {
            ImageView view = new ImageView(theImage);
            imageWidth = theImage.getWidth();
            imageHeight = theImage.getHeight();

            view.setPreserveRatio(true);
            view.setX(x);
            view.setY(y);
            view.setFitWidth(imageWidth);
            view.setFitHeight(imageHeight);

            group.getChildren().add(view);
            y += imageHeight;

            if (imageWidth > totalWidth) {
                totalWidth = imageWidth;
            }
        }
        totalHeight = y;
        Blend blend = new Blend(BlendMode.SRC_OVER);
        blend.setBottomInput(new ColorInput(0, 0, totalWidth, totalHeight, Color.TRANSPARENT));
        group.setEffect(blend);

        SnapshotParameters parameters = new SnapshotParameters();
        parameters.setFill(Color.TRANSPARENT);
        WritableImage newImage = group.snapshot(parameters, null);
        return newImage;
    } catch (Exception e) {
        logger.error(e.toString());
        return null;
    }
}
 

public static Image addMarginsFx2(Image image, Color color, int MarginWidth,
        boolean addTop, boolean addBottom, boolean addLeft, boolean addRight) {
    try {
        if (image == null || MarginWidth <= 0) {
            return image;
        }
        Group group = new Group();
        double imageWidth = image.getWidth(), imageHeight = image.getHeight();
        double totalWidth = image.getWidth(), totalHeight = image.getHeight();
        ImageView view = new ImageView(image);
        view.setPreserveRatio(true);
        view.setFitWidth(imageWidth);
        view.setFitHeight(imageHeight);
        if (addLeft) {
            view.setX(MarginWidth);
            totalWidth += MarginWidth;
        } else {
            view.setX(0);
        }
        if (addTop) {
            view.setY(MarginWidth);
            totalHeight += MarginWidth;
        } else {
            view.setY(0);
        }
        if (addBottom) {
            totalHeight += MarginWidth;
        }
        if (addRight) {
            totalWidth += MarginWidth;
        }
        group.getChildren().add(view);

        Blend blend = new Blend(BlendMode.SRC_OVER);
        blend.setBottomInput(new ColorInput(0, 0, totalWidth, totalHeight, color));
        group.setEffect(blend);

        SnapshotParameters parameters = new SnapshotParameters();
        parameters.setFill(Color.TRANSPARENT);
        WritableImage newImage = group.snapshot(parameters, null);
        return newImage;

    } catch (Exception e) {
        logger.error(e.toString());
        return image;
    }

}