+++ /dev/null
-/*
- * Copyright 1999-2004 The Apache Software Foundation.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/* $Id$ */
-
-package org.apache.fop.fo;
-
-// FOP
-import org.apache.fop.fonts.Font;
-import org.apache.fop.fonts.FontInfo;
-import org.apache.fop.fo.properties.Property;
-import org.apache.fop.fo.properties.CommonBorderAndPadding;
-import org.apache.fop.fo.properties.CommonMarginBlock;
-import org.apache.fop.fo.properties.CommonMarginInline;
-import org.apache.fop.fo.properties.CommonBackground;
-import org.apache.fop.fo.properties.CommonAccessibility;
-import org.apache.fop.fo.properties.CommonAural;
-import org.apache.fop.fo.properties.CommonRelativePosition;
-import org.apache.fop.fo.properties.CommonAbsolutePosition;
-import org.apache.fop.traits.BlockProps;
-import org.apache.fop.traits.InlineProps;
-import org.apache.fop.traits.SpaceVal;
-import org.apache.fop.traits.LayoutProps; // keep, break, span, space?
-import org.apache.fop.traits.MinOptMax;
-import org.apache.fop.fonts.FontMetrics;
-import org.apache.fop.fo.properties.CommonHyphenation;
-
-/**
- * Helper class for managing groups of properties.
- */
-public class PropertyManager implements Constants {
-
- private PropertyList propertyList;
- private FontInfo fontInfo = null;
- private Font fontState = null;
- private CommonBorderAndPadding borderAndPadding = null;
- private CommonHyphenation hyphProps = null;
- private TextInfo textInfo = null;
- private static final String NONE = "none";
-
- private static final int[] SA_BEFORE = new int[] {
- PR_BORDER_BEFORE_COLOR, PR_BORDER_BEFORE_STYLE, PR_BORDER_BEFORE_WIDTH, PR_PADDING_BEFORE};
- private static final int[] SA_AFTER = new int[]{
- PR_BORDER_AFTER_COLOR, PR_BORDER_AFTER_STYLE, PR_BORDER_AFTER_WIDTH, PR_PADDING_AFTER};
- private static final int[] SA_START = new int[]{
- PR_BORDER_START_COLOR, PR_BORDER_START_STYLE, PR_BORDER_START_WIDTH, PR_PADDING_START};
- private static final int[] SA_END = new int[]{
- PR_BORDER_END_COLOR, PR_BORDER_END_STYLE, PR_BORDER_END_WIDTH, PR_PADDING_END};
-
- /**
- * Main constructor
- * @param propList list of properties for the FO, initialized
- * from the attributes in the input source document
- */
- public PropertyManager(PropertyList propList) {
- propertyList = propList;
- }
-
- /**
- * Sets the FontInfo object telling the property manager which fonts are
- * available.
- * @param fontInfo FontInfo object
- */
- public void setFontInfo(FontInfo fontInfo) {
- this.fontInfo = fontInfo;
- }
-
-
- /**
- * Constructs a FontState object. If it was constructed before it is
- * reused.
- * @param fontInfo the FontInfo implementation containing the font
- * information
- * @return a FontState object
- */
- public Font getFontState(FontInfo fontInfo) {
- if (fontState == null) {
- if (fontInfo == null) {
- fontInfo = this.fontInfo;
- } else if (this.fontInfo == null) {
- this.fontInfo = fontInfo;
- }
- /**@todo this is ugly. need to improve. */
-
- String fontFamily = propertyList.get(PR_FONT_FAMILY).getString();
- String fontStyle = propertyList.get(PR_FONT_STYLE).getString();
- String fw = propertyList.get(PR_FONT_WEIGHT).getString();
- int fontWeight = 400;
- if (fw.equals("bolder")) {
- // +100 from inherited
- } else if (fw.equals("lighter")) {
- // -100 from inherited
- } else {
- try {
- fontWeight = Integer.parseInt(fw);
- } catch (NumberFormatException nfe) {
- } /** TODO: log that exception */
- }
- fontWeight = ((int) fontWeight / 100) * 100;
- if (fontWeight < 100) {
- fontWeight = 100;
- } else if (fontWeight > 900) {
- fontWeight = 900;
- }
-
- // NOTE: this is incomplete. font-size may be specified with
- // various kinds of keywords too
- int fontSize = propertyList.get(PR_FONT_SIZE).getLength().getValue();
- //int fontVariant = propertyList.get("font-variant").getEnum();
- String fname = fontInfo.fontLookup(fontFamily, fontStyle,
- fontWeight);
- FontMetrics metrics = fontInfo.getMetricsFor(fname);
- fontState = new Font(fname, metrics, fontSize);
- }
- return fontState;
- }
-
-
- /**
- * Constructs a BorderAndPadding object. If it was constructed before it is
- * reused.
- * @return a BorderAndPadding object
- */
- public CommonBorderAndPadding getBorderAndPadding() {
- if (borderAndPadding == null) {
- this.borderAndPadding = new CommonBorderAndPadding();
-
- initBorderInfo(CommonBorderAndPadding.BEFORE, SA_BEFORE);
- initBorderInfo(CommonBorderAndPadding.AFTER, SA_AFTER);
- initBorderInfo(CommonBorderAndPadding.START, SA_START);
- initBorderInfo(CommonBorderAndPadding.END, SA_END);
- }
- return borderAndPadding;
- }
-
- private void initBorderInfo(int whichSide, int[] saSide) {
- borderAndPadding.setPadding(whichSide,
- propertyList.get(saSide[3]).getCondLength());
- // If style = none, force width to 0, don't get Color (spec 7.7.20)
- int style = propertyList.get(saSide[1]).getEnum();
- if (style != Constants.NONE) {
- borderAndPadding.setBorder(whichSide, style,
- propertyList.get(saSide[2]).getCondLength(),
- propertyList.get(saSide[0]).getColorType());
- }
- }
-
- /**
- * Constructs a HyphenationProps objects. If it was constructed before it is
- * reused.
- * @return a HyphenationProps object
- */
- public CommonHyphenation getHyphenationProps() {
- if (hyphProps == null) {
- this.hyphProps = new CommonHyphenation();
- hyphProps.hyphenate =
- this.propertyList.get(PR_HYPHENATE).getEnum();
- hyphProps.hyphenationChar = this.propertyList.get(
- PR_HYPHENATION_CHARACTER).getCharacter();
- hyphProps.hyphenationPushCharacterCount = this.propertyList.get(
- PR_HYPHENATION_PUSH_CHARACTER_COUNT).getNumber().
- intValue();
- hyphProps.hyphenationRemainCharacterCount = this.propertyList.get(
- PR_HYPHENATION_REMAIN_CHARACTER_COUNT).getNumber().
- intValue();
- hyphProps.language =
- this.propertyList.get(PR_LANGUAGE).getString();
- hyphProps.country = this.propertyList.get(PR_COUNTRY).getString();
- }
- return hyphProps;
- }
-
- /*public int checkBreakBefore(Area area) {
- if (!(area instanceof ColumnArea)) {
- switch (propertyList.get("break-before").getEnum()) {
- case BreakBefore.PAGE:
- return Status.FORCE_PAGE_BREAK;
- case BreakBefore.ODD_PAGE:
- return Status.FORCE_PAGE_BREAK_ODD;
- case BreakBefore.EVEN_PAGE:
- return Status.FORCE_PAGE_BREAK_EVEN;
- case BreakBefore.COLUMN:
- return Status.FORCE_COLUMN_BREAK;
- default:
- return Status.OK;
- }
- } else {
- ColumnArea colArea = (ColumnArea)area;
- switch (propertyList.get("break-before").getEnum()) {
- case BreakBefore.PAGE:
- // if first ColumnArea, and empty, return OK
- if (!colArea.hasChildren() && (colArea.getColumnIndex() == 1))
- return Status.OK;
- else
- return Status.FORCE_PAGE_BREAK;
- case BreakBefore.ODD_PAGE:
- // if first ColumnArea, empty, _and_ in odd page,
- // return OK
- if (!colArea.hasChildren() && (colArea.getColumnIndex() == 1)
- && (colArea.getPage().getNumber() % 2 != 0))
- return Status.OK;
- else
- return Status.FORCE_PAGE_BREAK_ODD;
- case BreakBefore.EVEN_PAGE:
- // if first ColumnArea, empty, _and_ in even page,
- // return OK
- if (!colArea.hasChildren() && (colArea.getColumnIndex() == 1)
- && (colArea.getPage().getNumber() % 2 == 0))
- return Status.OK;
- else
- return Status.FORCE_PAGE_BREAK_EVEN;
- case BreakBefore.COLUMN:
- // if ColumnArea is empty return OK
- if (!area.hasChildren())
- return Status.OK;
- else
- return Status.FORCE_COLUMN_BREAK;
- default:
- return Status.OK;
- }
- }
- }
-
- public int checkBreakAfter(Area area) {
- switch (propertyList.get("break-after").getEnum()) {
- case BreakAfter.PAGE:
- return Status.FORCE_PAGE_BREAK;
- case BreakAfter.ODD_PAGE:
- return Status.FORCE_PAGE_BREAK_ODD;
- case BreakAfter.EVEN_PAGE:
- return Status.FORCE_PAGE_BREAK_EVEN;
- case BreakAfter.COLUMN:
- return Status.FORCE_COLUMN_BREAK;
- default:
- return Status.OK;
- }
- }*/
-
-
- /**
- * Constructs a MarginProps objects. If it was constructed before it is
- * reused.
- * @return a MarginProps object
- */
- public CommonMarginBlock getMarginProps() {
- CommonMarginBlock props = new CommonMarginBlock();
-
- // Common Margin Properties-Block
- props.marginTop =
- this.propertyList.get(PR_MARGIN_TOP).getLength().getValue();
- props.marginBottom =
- this.propertyList.get(PR_MARGIN_BOTTOM).getLength().getValue();
- props.marginLeft =
- this.propertyList.get(PR_MARGIN_LEFT).getLength().getValue();
- props.marginRight =
- this.propertyList.get(PR_MARGIN_RIGHT).getLength().getValue();
-
- // For now, we only get the optimum value for space-before and after
- props.spaceBefore = this.propertyList.get(PR_SPACE_BEFORE).
- getSpace().getOptimum().getLength().getValue();
- props.spaceAfter = this.propertyList.get(PR_SPACE_AFTER).
- getSpace().getOptimum().getLength().getValue();
-
- props.startIndent = this.propertyList.get(PR_START_INDENT).
- getLength().getValue();
- props.endIndent = this.propertyList.get(PR_END_INDENT).
- getLength().getValue();
-
- return props;
- }
-
- /**
- * Constructs a BackgroundProps objects. If it was constructed before it is
- * reused.
- * @return a BackgroundProps object
- */
- public CommonBackground getBackgroundProps() {
- CommonBackground bp = new CommonBackground();
- bp.backAttachment = propertyList.get(PR_BACKGROUND_ATTACHMENT).getEnum();
- bp.backColor = propertyList.get(PR_BACKGROUND_COLOR).getColorType();
- if (bp.backColor.getAlpha() == 0) {
- bp.backColor = null;
- }
-
- bp.backImage = propertyList.get(PR_BACKGROUND_IMAGE).getString();
- if (bp.backImage == null || NONE.equals(bp.backImage)) {
- bp.backImage = null;
- } else {
- bp.backRepeat = propertyList.get(PR_BACKGROUND_REPEAT).getEnum();
- Property prop = propertyList.get(PR_BACKGROUND_POSITION_HORIZONTAL);
- if (prop != null) {
- bp.backPosHorizontal = prop.getLength();
- }
- prop = propertyList.get(PR_BACKGROUND_POSITION_VERTICAL);
- if (prop != null) {
- bp.backPosVertical = prop.getLength();
- }
- }
-
- return bp;
- }
-
- /**
- * Constructs a MarginInlineProps objects. If it was constructed before it is
- * reused.
- * @return a MarginInlineProps object
- */
- public CommonMarginInline getMarginInlineProps() {
- CommonMarginInline props = new CommonMarginInline();
- return props;
- }
-
- /**
- * Constructs a InlineProps objects. If it was constructed before it is
- * reused.
- * @return a InlineProps object
- */
- public InlineProps getInlineProps() {
- InlineProps props = new InlineProps();
- props.spaceStart = new SpaceVal(propertyList.get(PR_SPACE_START).getSpace());
- props.spaceEnd = new SpaceVal(propertyList.get(PR_SPACE_END).getSpace());
- return props;
- }
-
- /**
- * Constructs a AccessibilityProps objects. If it was constructed before it is
- * reused.
- * @return a AccessibilityProps object
- */
- public CommonAccessibility getAccessibilityProps() {
- CommonAccessibility props = new CommonAccessibility();
- String str;
- str = this.propertyList.get(PR_SOURCE_DOCUMENT).getString();
- if (!NONE.equals(str)) {
- props.sourceDoc = str;
- }
- str = this.propertyList.get(PR_ROLE).getString();
- if (!NONE.equals(str)) {
- props.role = str;
- }
- return props;
- }
-
- /**
- * Constructs a AuralProps objects. If it was constructed before it is
- * reused.
- * @return a AuralProps object
- */
- public CommonAural getAuralProps() {
- CommonAural props = new CommonAural();
- return props;
- }
-
- /**
- * Constructs a RelativePositionProps objects. If it was constructed before it is
- * reused.
- * @return a RelativePositionProps object
- */
- public CommonRelativePosition getRelativePositionProps() {
- CommonRelativePosition props = new CommonRelativePosition();
- return props;
- }
-
- /**
- * Constructs a AbsolutePositionProps objects. If it was constructed before
- * it is reused.
- * @return a AbsolutePositionProps object
- */
- public CommonAbsolutePosition getAbsolutePositionProps() {
- CommonAbsolutePosition props = new CommonAbsolutePosition(propertyList);
- return props;
- }
-
- /**
- * Constructs a BlockProps objects. If it was constructed before it is
- * reused.
- * @return a BlockProps object
- */
- public BlockProps getBlockProps() {
- BlockProps props = new BlockProps();
- props.firstIndent = this.propertyList.get(PR_TEXT_INDENT).getLength();
- props.lastIndent = 0;
- /*this.propertyList.get("last-line-end-indent").getLength().mvalue(); */
- props.textAlign = this.propertyList.get(PR_TEXT_ALIGN).getEnum();
- props.textAlignLast = this.propertyList.get(PR_TEXT_ALIGN_LAST).getEnum();
- props.lineStackType = this.propertyList.get(PR_LINE_STACKING_STRATEGY).getEnum();
-
- return props;
- }
-
- /**
- * Constructs a LayoutProps objects. If it was constructed before it is
- * reused.
- * @return a LayoutProps object
- */
- public LayoutProps getLayoutProps() {
- LayoutProps props = new LayoutProps();
- props.breakBefore = this.propertyList.get(PR_BREAK_BEFORE).getEnum();
- props.breakAfter = this.propertyList.get(PR_BREAK_AFTER).getEnum();
- props.bIsSpan = (this.propertyList.get(PR_SPAN).getEnum() == Constants.ALL);
- props.spaceBefore = new SpaceVal(
- this.propertyList.get(PR_SPACE_BEFORE).getSpace());
- props.spaceAfter = new SpaceVal(
- this.propertyList.get(PR_SPACE_AFTER).getSpace());
- return props;
- }
-
- /**
- * Constructs a TextInfo objects. If it was constructed before it is
- * reused.
- * @param fontInfo FontInfo object containing list of available fonts
- * @return a TextInfo object
- */
- public TextInfo getTextLayoutProps(FontInfo fontInfo) {
- if (textInfo == null) {
- textInfo = new TextInfo();
- textInfo.fs = getFontState(fontInfo);
- textInfo.color = propertyList.get(PR_COLOR).getColorType();
-
- textInfo.verticalAlign =
- propertyList.get(PR_VERTICAL_ALIGN).getEnum();
-
- textInfo.wrapOption = propertyList.get(PR_WRAP_OPTION).getEnum();
- textInfo.bWrap = (textInfo.wrapOption == Constants.WRAP);
-
- // if word-spacing or letter-spacing is "normal", convert it
- // into a suitable MinOptMax value
- Property wordSpacing = propertyList.get(PR_WORD_SPACING);
- Property letterSpacing = propertyList.get(PR_LETTER_SPACING);
- if (wordSpacing.getEnum() == NORMAL) {
- if (letterSpacing.getEnum() == NORMAL) {
- // letter spaces are set to zero (or use different values?)
- textInfo.letterSpacing
- = new SpaceVal(new MinOptMax(0), true, true, 0);
- } else {
- textInfo.letterSpacing
- = new SpaceVal(letterSpacing.getSpace());
- }
- // give word spaces the possibility to shrink by a third,
- // and stretch by a half;
- int spaceCharIPD = textInfo.fs.getCharWidth(' ');
- textInfo.wordSpacing = new SpaceVal
- (MinOptMax.add
- (new MinOptMax(-spaceCharIPD / 3, 0, spaceCharIPD / 2),
- MinOptMax.multiply(textInfo.letterSpacing.getSpace(), 2)),
- true, true, 0);
- } else {
- textInfo.wordSpacing = new SpaceVal(wordSpacing.getSpace());
- if (letterSpacing.getEnum() == NORMAL) {
- // letter spaces are set to zero (or use different values?)
- textInfo.letterSpacing
- = new SpaceVal(new MinOptMax(0), true, true, 0);
- } else {
- textInfo.letterSpacing
- = new SpaceVal(letterSpacing.getSpace());
- }
- }
-
- textInfo.whiteSpaceCollapse
- = propertyList.get(PR_WHITE_SPACE_COLLAPSE).getEnum();
- textInfo.lineHeight
- = this.propertyList.get(PR_LINE_HEIGHT).getLength().getValue();
- textInfo.textTransform
- = this.propertyList.get(PR_TEXT_TRANSFORM).getEnum();
- textInfo.hyphChar
- = this.propertyList.get(PR_HYPHENATION_CHARACTER).getCharacter();
- }
- return textInfo;
- }
-
- /**
- * Calculate absolute reference-orientation relative to media orientation.
- * @return the enumerated reference-orientation
- */
- public int getAbsRefOrient() {
- return propertyList.get(PR_REFERENCE_ORIENTATION).getNumber().intValue();
- }
-
- /**
- * @return the enumerated writing-mode
- */
- public int getWritingMode() {
- return propertyList.get(PR_WRITING_MODE).getEnum();
- }
-
-}
projects / xmlgraphics-fop.git / commitdiff