Examples with Font org.eclipse.swt.graphics.Font used on opensource projects

Example 91 with Font

use of org.eclipse.swt.graphics.Font in project eclipse.platform.swt by eclipse.

the class Test_org_eclipse_swt_custom_StyledText_VariableLineHeight method testBigFontSeveralRanges.

@Test
public void testBigFontSeveralRanges() {
    styledText.setText("abc\nd");
    // Create little, big font
    Font initialFont = styledText.getFont();
    FontData[] fontData = initialFont.getFontData();
    for (int i = 0; i < fontData.length; i++) {
        fontData[i].setHeight(fontData[i].getHeight() * 2);
    }
    Font bigFont = new Font(styledText.getDisplay(), fontData);
    fontData = initialFont.getFontData();
    for (int i = 0; i < fontData.length; i++) {
        fontData[i].setHeight(fontData[i].getHeight() / 2);
    }
    Font littleFont = new Font(styledText.getDisplay(), fontData);
    StyleRange[] ranges = new StyleRange[2];
    ranges[0] = new StyleRange();
    ranges[0].start = 0;
    ranges[0].length = 1;
    ranges[0].font = bigFont;
    ranges[1] = new StyleRange();
    ranges[1].start = 1;
    ranges[1].length = 1;
    ranges[1].font = littleFont;
    styledText.replaceStyleRanges(0, 3, ranges);
    // line height is the height of the big font
    assertVariableLineHeightEquals(0, 0, bigFont);
    bigFont.dispose();
    littleFont.dispose();
}

Example 92 with Font

use of org.eclipse.swt.graphics.Font in project eclipse.platform.swt by eclipse.

the class Test_org_eclipse_swt_custom_StyledText_VariableLineHeight method testLittleFontSeveralRanges.

@Test
public void testLittleFontSeveralRanges() {
    styledText.setText("abc\nd");
    // Create little, big font
    Font initialFont = styledText.getFont();
    FontData[] fontData = initialFont.getFontData();
    for (int i = 0; i < fontData.length; i++) {
        fontData[i].setHeight(fontData[i].getHeight() / 2);
    }
    Font littleFont1 = new Font(styledText.getDisplay(), fontData);
    fontData = initialFont.getFontData();
    for (int i = 0; i < fontData.length; i++) {
        fontData[i].setHeight(fontData[i].getHeight() / 4);
    }
    Font littleFont2 = new Font(styledText.getDisplay(), fontData);
    StyleRange[] ranges = new StyleRange[2];
    ranges[0] = new StyleRange();
    ranges[0].start = 0;
    ranges[0].length = 1;
    ranges[0].font = littleFont1;
    ranges[1] = new StyleRange();
    ranges[1].start = 1;
    ranges[1].length = 1;
    ranges[1].font = littleFont2;
    styledText.replaceStyleRanges(0, 3, ranges);
    // 2 little fonts, line height is the height of the default font of StyledText
    assertVariableLineHeightEquals(0, 0);
    littleFont1.dispose();
    littleFont2.dispose();
}

Example 93 with Font

use of org.eclipse.swt.graphics.Font in project eclipse.platform.swt by eclipse.

the class CTableItem method setFont.

/**
 * Sets the font that the receiver will use to paint textual information
 * for the specified cell in this item to the font specified by the
 * argument, or to the default font for that kind of control if the
 * argument is null.
 *
 * @param index the column index
 * @param font the new font (or null)
 *
 * @exception IllegalArgumentException <ul>
 *    <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li>
 * </ul>
 * @exception SWTException <ul>
 *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
 *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
 * </ul>
 *
 * @since 3.0
 */
public void setFont(int columnIndex, Font font) {
    checkWidget();
    if (font != null && font.isDisposed()) {
        SWT.error(SWT.ERROR_INVALID_ARGUMENT);
    }
    int validColumnCount = Math.max(1, parent.columns.length);
    if (!(0 <= columnIndex && columnIndex < validColumnCount))
        return;
    if (cellFonts == null) {
        if (font == null)
            return;
        cellFonts = new Font[validColumnCount];
    }
    Font oldFont = cellFonts[columnIndex];
    if (oldFont == font)
        return;
    cellFonts[columnIndex] = font;
    if (oldFont != null && oldFont.equals(font))
        return;
    if ((parent.getStyle() & SWT.VIRTUAL) != 0)
        cached = true;
    /* recompute cached values for string measurements */
    GC gc = new GC(parent);
    gc.setFont(getFont(columnIndex, false));
    if (fontHeights == null)
        fontHeights = new int[validColumnCount];
    fontHeights[columnIndex] = gc.getFontMetrics().getHeight();
    computeDisplayText(columnIndex, gc);
    gc.dispose();
    if (isInViewport()) {
        Rectangle bounds = getCellBounds(columnIndex);
        parent.redraw(bounds.x, bounds.y, bounds.width, bounds.height, false);
    }
}

Example 94 with Font

use of org.eclipse.swt.graphics.Font in project eclipse.platform.swt by eclipse.

the class CTableItem method addColumn.

/*
 * Updates internal structures in the receiver and its child items to handle the creation of a new column.
 */
void addColumn(CTableColumn column) {
    int index = column.getIndex();
    int columnCount = parent.columns.length;
    if (columnCount > 1) {
        if (columnCount == 2) {
            texts = new String[2];
        } else {
            String[] newTexts = new String[columnCount];
            System.arraycopy(texts, 0, newTexts, 0, index);
            System.arraycopy(texts, index, newTexts, index + 1, columnCount - index - 1);
            texts = newTexts;
        }
        if (index == 0) {
            texts[1] = super.getText();
            // $NON-NLS-1$
            super.setText("");
        }
        if (columnCount == 2) {
            images = new Image[2];
        } else {
            Image[] newImages = new Image[columnCount];
            System.arraycopy(images, 0, newImages, 0, index);
            System.arraycopy(images, index, newImages, index + 1, columnCount - index - 1);
            images = newImages;
        }
        if (index == 0) {
            images[1] = super.getImage();
            super.setImage(null);
        }
        int[] newTextWidths = new int[columnCount];
        System.arraycopy(textWidths, 0, newTextWidths, 0, index);
        System.arraycopy(textWidths, index, newTextWidths, index + 1, columnCount - index - 1);
        textWidths = newTextWidths;
    } else {
        customWidth = -1;
    /* columnCount == 1 */
    }
    /*
	 * The length of displayTexts always matches the parent's column count, unless this
	 * count is zero, in which case displayTexts is null.
	 */
    String[] newDisplayTexts = new String[columnCount];
    if (columnCount > 1) {
        System.arraycopy(displayTexts, 0, newDisplayTexts, 0, index);
        System.arraycopy(displayTexts, index, newDisplayTexts, index + 1, columnCount - index - 1);
    }
    displayTexts = newDisplayTexts;
    if (cellBackgrounds != null) {
        Color[] newCellBackgrounds = new Color[columnCount];
        System.arraycopy(cellBackgrounds, 0, newCellBackgrounds, 0, index);
        System.arraycopy(cellBackgrounds, index, newCellBackgrounds, index + 1, columnCount - index - 1);
        cellBackgrounds = newCellBackgrounds;
    }
    if (cellForegrounds != null) {
        Color[] newCellForegrounds = new Color[columnCount];
        System.arraycopy(cellForegrounds, 0, newCellForegrounds, 0, index);
        System.arraycopy(cellForegrounds, index, newCellForegrounds, index + 1, columnCount - index - 1);
        cellForegrounds = newCellForegrounds;
    }
    if (cellFonts != null) {
        Font[] newCellFonts = new Font[columnCount];
        System.arraycopy(cellFonts, 0, newCellFonts, 0, index);
        System.arraycopy(cellFonts, index, newCellFonts, index + 1, columnCount - index - 1);
        cellFonts = newCellFonts;
        int[] newFontHeights = new int[columnCount];
        System.arraycopy(fontHeights, 0, newFontHeights, 0, index);
        System.arraycopy(fontHeights, index, newFontHeights, index + 1, columnCount - index - 1);
        fontHeights = newFontHeights;
    }
    if (columnCount > accessibles.length) {
        Accessible[] newAccessibles = new Accessible[columnCount];
        System.arraycopy(accessibles, 0, newAccessibles, 0, index);
        System.arraycopy(accessibles, index, newAccessibles, index + 1, columnCount - index - 1);
        accessibles = newAccessibles;
    }
    if (index == 0 && columnCount > 1) {
        /*
		 * The new second column may have more width available to it than it did when it was
		 * the first column if checkboxes are being shown, so recompute its displayText if needed.
		 */
        if ((parent.getStyle() & SWT.CHECK) != 0) {
            GC gc = new GC(parent);
            gc.setFont(getFont(1, false));
            computeDisplayText(1, gc);
            gc.dispose();
        }
    }
}

Example 95 with Font

use of org.eclipse.swt.graphics.Font in project eclipse.platform.swt by eclipse.

the class CTabFolderTab method setItemFont.

/**
 * Sets the font of CTabItem 0.
 */
void setItemFont() {
    if (!instance.startup) {
        tabFolder1.getItem(0).setFont(itemFont);
        setExampleWidgetSize();
    }
    /* Set the font item's image to match the font of the item. */
    Font ft = itemFont;
    if (ft == null)
        ft = tabFolder1.getItem(0).getFont();
    TableItem item = colorAndFontTable.getItem(ITEM_FONT);
    Image oldImage = item.getImage();
    if (oldImage != null)
        oldImage.dispose();
    item.setImage(fontImage(ft));
    item.setFont(ft);
    colorAndFontTable.layout();
}