Examples with FontRenderContext java.awt.font.FontRenderContext used on opensource projects

Example 26 with FontRenderContext

use of java.awt.font.FontRenderContext in project intellij-community by JetBrains.

the class LineLayout method createFragments.

private static List<BidiRun> createFragments(@NotNull EditorView view, @NotNull CharSequence text, @JdkConstants.FontStyle int fontStyle) {
    if (text.length() == 0)
        return Collections.emptyList();
    FontRenderContext fontRenderContext = view.getFontRenderContext();
    FontPreferences fontPreferences = view.getEditor().getColorsScheme().getFontPreferences();
    char[] chars = CharArrayUtil.fromSequence(text);
    List<BidiRun> runs = createRuns(view, chars, -1);
    for (BidiRun run : runs) {
        for (Chunk chunk : run.getChunks(text, 0)) {
            chunk.fragments = new ArrayList<>();
            addFragments(run, chunk, chars, chunk.startOffset, chunk.endOffset, fontStyle, fontPreferences, fontRenderContext, null);
        }
    }
    return runs;
}

Example 27 with FontRenderContext

use of java.awt.font.FontRenderContext in project intellij-community by JetBrains.

the class ComplexTextFragmentTest method assertCaretPositionsForGlyphVector.

private static void assertCaretPositionsForGlyphVector(MyGlyphVector gv, int... expectedPositions) {
    FontLayoutService.setInstance(new MockFontLayoutService(TEST_CHAR_WIDTH, TEST_LINE_HEIGHT, TEST_DESCENT) {

        @NotNull
        @Override
        public GlyphVector layoutGlyphVector(@NotNull Font font, @NotNull FontRenderContext fontRenderContext, @NotNull char[] chars, int start, int end, boolean isRtl) {
            return gv;
        }
    });
    try {
        int length = gv.getNumChars();
        char[] text = new char[length];
        FontInfo fontInfo = new FontInfo(Font.MONOSPACED, 1, Font.PLAIN, false, new FontRenderContext(null, false, false));
        ComplexTextFragment fragment = new ComplexTextFragment(text, 0, length, (gv.getLayoutFlags() & GlyphVector.FLAG_RUN_RTL) != 0, fontInfo);
        int[] charPositions = new int[length];
        for (int i = 0; i < length; i++) {
            charPositions[i] = (int) fragment.visualColumnToX(0, i + 1);
        }
        assertArrayEquals(expectedPositions, charPositions);
    } finally {
        FontLayoutService.setInstance(null);
    }
}

Example 28 with FontRenderContext

use of java.awt.font.FontRenderContext in project intellij-community by JetBrains.

the class UIUtil method getHighestGlyphHeight.

/**
   * @param string {@code String} to examine
   * @param font {@code Font} that is used to render the string
   * @param graphics {@link Graphics} that should be used to render the string
   * @return height of the tallest glyph in a string. If string is empty, returns 0
   */
public static int getHighestGlyphHeight(@NotNull String string, @NotNull Font font, @NotNull Graphics graphics) {
    FontRenderContext frc = ((Graphics2D) graphics).getFontRenderContext();
    GlyphVector gv = font.createGlyphVector(frc, string);
    int maxHeight = 0;
    for (int i = 0; i < string.length(); i++) {
        maxHeight = Math.max(maxHeight, (int) gv.getGlyphMetrics(i).getBounds2D().getHeight());
    }
    return maxHeight;
}

Example 29 with FontRenderContext

use of java.awt.font.FontRenderContext in project android by JetBrains.

the class BlueprintLayer method drawComponent.

/**
   * Draw the given component and its children
   *
   * @param gc                 the graphics context
   * @param component          the component we want to draw
   * @param viewHandlerManager the view handler
   */
private boolean drawComponent(@NotNull Graphics2D gc, @NotNull NlComponent component, @NotNull ViewHandlerManager viewHandlerManager, boolean parentHandlesPainting) {
    boolean needsRepaint = false;
    boolean handlesPainting = false;
    if (component.viewInfo != null) {
        ViewHandler handler = component.getViewHandler();
        // Check if the view handler handles the painting
        if (handler != null && handler instanceof ViewGroupHandler) {
            ViewGroupHandler viewGroupHandler = (ViewGroupHandler) handler;
            if (viewGroupHandler.handlesPainting()) {
                if (handler.paintConstraints(myScreenView, gc, component)) {
                    return needsRepaint;
                }
                needsRepaint |= viewGroupHandler.drawGroup(gc, myScreenView, component);
                handlesPainting = true;
            }
        }
        if (!handlesPainting && !parentHandlesPainting) {
            // If not, layout the component ourselves
            Graphics2D g = (Graphics2D) gc.create();
            int x = getSwingX(myScreenView, component.x);
            int y = getSwingY(myScreenView, component.y);
            int w = getSwingDimension(myScreenView, component.w);
            int h = getSwingDimension(myScreenView, component.h);
            drawComponentBackground(g, component);
            String name = component.getTagName();
            name = name.substring(name.lastIndexOf('.') + 1);
            Font font = BLUEPRINT_TEXT_FONT;
            g.setFont(font);
            g.setColor(BLUEPRINT_FG_COLOR);
            String id = component.getId();
            int lineHeight = g.getFontMetrics().getHeight();
            FontRenderContext fontRenderContext = g.getFontRenderContext();
            if (id != null && h > lineHeight * 2) {
                // Can fit both
                Rectangle2D classBounds = font.getStringBounds(name, fontRenderContext);
                Rectangle2D idBounds = font.getStringBounds(id, fontRenderContext);
                int textY = y + h / 2;
                int textX = x + w / 2 - ((int) classBounds.getWidth()) / 2;
                if (component.isRoot()) {
                    textX = x + lineHeight;
                    textY = y - (int) (classBounds.getHeight() + idBounds.getHeight());
                }
                g.drawString(name, textX, textY);
                if (component.isRoot()) {
                    textX = x + lineHeight;
                    textY = y - (int) (idBounds.getHeight());
                } else {
                    textX = x + w / 2 - ((int) idBounds.getWidth()) / 2;
                    textY += (int) (idBounds.getHeight());
                }
                g.drawString(id, textX, textY);
            } else {
                // Only room for a single line: prioritize the id if it's available, otherwise the class name
                String text = id != null ? id : name;
                Rectangle2D stringBounds = font.getStringBounds(text, fontRenderContext);
                int textX = x + w / 2 - ((int) stringBounds.getWidth()) / 2;
                int textY = y + h / 2 + ((int) stringBounds.getHeight()) / 2;
                g.drawString(text, textX, textY);
            }
            g.dispose();
        }
    }
    // Draw the children of the component...
    for (NlComponent child : component.getChildren()) {
        needsRepaint |= drawComponent(gc, child, viewHandlerManager, handlesPainting);
    }
    return needsRepaint;
}

Example 30 with FontRenderContext

use of java.awt.font.FontRenderContext in project jdk8u_jdk by JetBrains.

the class FontDesignMetrics method readObject.

private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
    in.defaultReadObject();
    if (serVersion != CURRENT_VERSION) {
        frc = getDefaultFrc();
        isAntiAliased = frc.isAntiAliased();
        usesFractionalMetrics = frc.usesFractionalMetrics();
        frcTx = frc.getTransform();
    } else {
        frc = new FontRenderContext(frcTx, isAntiAliased, usesFractionalMetrics);
    }
    // when deserialized, members are set to their default values for their type--
    // not to the values assigned during initialization before the constructor
    // body!
    height = -1;
    cache = null;
    initMatrixAndMetrics();
    initAdvCache();
}