+++ /dev/null
-/*
- * This file is part of lanterna (http://code.google.com/p/lanterna/).
- *
- * lanterna is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- * Copyright (C) 2010-2015 Martin
- */
-package com.googlecode.lanterna.graphics;
-
-import com.googlecode.lanterna.*;
-import com.googlecode.lanterna.screen.TabBehaviour;
-
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.EnumSet;
-
-/**
- * This class hold the default logic for drawing the basic text graphic as exposed by TextGraphic. All implementations
- * rely on a setCharacter method being implemented in subclasses.
- * @author Martin
- */
-public abstract class AbstractTextGraphics implements TextGraphics {
- protected TextColor foregroundColor;
- protected TextColor backgroundColor;
- protected TabBehaviour tabBehaviour;
- protected final EnumSet<SGR> activeModifiers;
- private final ShapeRenderer shapeRenderer;
-
- protected AbstractTextGraphics() {
- this.activeModifiers = EnumSet.noneOf(SGR.class);
- this.tabBehaviour = TabBehaviour.ALIGN_TO_COLUMN_4;
- this.foregroundColor = TextColor.ANSI.DEFAULT;
- this.backgroundColor = TextColor.ANSI.DEFAULT;
- this.shapeRenderer = new DefaultShapeRenderer(new DefaultShapeRenderer.Callback() {
- @Override
- public void onPoint(int column, int row, TextCharacter character) {
- setCharacter(column, row, character);
- }
- });
- }
-
- @Override
- public TextColor getBackgroundColor() {
- return backgroundColor;
- }
-
- @Override
- public TextGraphics setBackgroundColor(final TextColor backgroundColor) {
- this.backgroundColor = backgroundColor;
- return this;
- }
-
- @Override
- public TextColor getForegroundColor() {
- return foregroundColor;
- }
-
- @Override
- public TextGraphics setForegroundColor(final TextColor foregroundColor) {
- this.foregroundColor = foregroundColor;
- return this;
- }
-
- @Override
- public TextGraphics enableModifiers(SGR... modifiers) {
- enableModifiers(Arrays.asList(modifiers));
- return this;
- }
-
- private void enableModifiers(Collection<SGR> modifiers) {
- this.activeModifiers.addAll(modifiers);
- }
-
- @Override
- public TextGraphics disableModifiers(SGR... modifiers) {
- disableModifiers(Arrays.asList(modifiers));
- return this;
- }
-
- private void disableModifiers(Collection<SGR> modifiers) {
- this.activeModifiers.removeAll(modifiers);
- }
-
- @Override
- public synchronized TextGraphics setModifiers(EnumSet<SGR> modifiers) {
- activeModifiers.clear();
- activeModifiers.addAll(modifiers);
- return this;
- }
-
- @Override
- public TextGraphics clearModifiers() {
- this.activeModifiers.clear();
- return this;
- }
-
- @Override
- public EnumSet<SGR> getActiveModifiers() {
- return activeModifiers;
- }
-
- @Override
- public TabBehaviour getTabBehaviour() {
- return tabBehaviour;
- }
-
- @Override
- public TextGraphics setTabBehaviour(TabBehaviour tabBehaviour) {
- if(tabBehaviour != null) {
- this.tabBehaviour = tabBehaviour;
- }
- return this;
- }
-
- @Override
- public TextGraphics fill(char c) {
- fillRectangle(TerminalPosition.TOP_LEFT_CORNER, getSize(), c);
- return this;
- }
-
- @Override
- public TextGraphics setCharacter(int column, int row, char character) {
- return setCharacter(column, row, newTextCharacter(character));
- }
-
- @Override
- public TextGraphics setCharacter(TerminalPosition position, TextCharacter textCharacter) {
- setCharacter(position.getColumn(), position.getRow(), textCharacter);
- return this;
- }
-
- @Override
- public TextGraphics setCharacter(TerminalPosition position, char character) {
- return setCharacter(position.getColumn(), position.getRow(), character);
- }
-
- @Override
- public TextGraphics drawLine(TerminalPosition fromPosition, TerminalPosition toPoint, char character) {
- return drawLine(fromPosition, toPoint, newTextCharacter(character));
- }
-
- @Override
- public TextGraphics drawLine(TerminalPosition fromPoint, TerminalPosition toPoint, TextCharacter character) {
- shapeRenderer.drawLine(fromPoint, toPoint, character);
- return this;
- }
-
- @Override
- public TextGraphics drawLine(int fromX, int fromY, int toX, int toY, char character) {
- return drawLine(fromX, fromY, toX, toY, newTextCharacter(character));
- }
-
- @Override
- public TextGraphics drawLine(int fromX, int fromY, int toX, int toY, TextCharacter character) {
- return drawLine(new TerminalPosition(fromX, fromY), new TerminalPosition(toX, toY), character);
- }
-
- @Override
- public TextGraphics drawTriangle(TerminalPosition p1, TerminalPosition p2, TerminalPosition p3, char character) {
- return drawTriangle(p1, p2, p3, newTextCharacter(character));
- }
-
- @Override
- public TextGraphics drawTriangle(TerminalPosition p1, TerminalPosition p2, TerminalPosition p3, TextCharacter character) {
- shapeRenderer.drawTriangle(p1, p2, p3, character);
- return this;
- }
-
- @Override
- public TextGraphics fillTriangle(TerminalPosition p1, TerminalPosition p2, TerminalPosition p3, char character) {
- return fillTriangle(p1, p2, p3, newTextCharacter(character));
- }
-
- @Override
- public TextGraphics fillTriangle(TerminalPosition p1, TerminalPosition p2, TerminalPosition p3, TextCharacter character) {
- shapeRenderer.fillTriangle(p1, p2, p3, character);
- return this;
- }
-
- @Override
- public TextGraphics drawRectangle(TerminalPosition topLeft, TerminalSize size, char character) {
- return drawRectangle(topLeft, size, newTextCharacter(character));
- }
-
- @Override
- public TextGraphics drawRectangle(TerminalPosition topLeft, TerminalSize size, TextCharacter character) {
- shapeRenderer.drawRectangle(topLeft, size, character);
- return this;
- }
-
- @Override
- public TextGraphics fillRectangle(TerminalPosition topLeft, TerminalSize size, char character) {
- return fillRectangle(topLeft, size, newTextCharacter(character));
- }
-
- @Override
- public TextGraphics fillRectangle(TerminalPosition topLeft, TerminalSize size, TextCharacter character) {
- shapeRenderer.fillRectangle(topLeft, size, character);
- return this;
- }
-
- @Override
- public TextGraphics drawImage(TerminalPosition topLeft, TextImage image) {
- return drawImage(topLeft, image, TerminalPosition.TOP_LEFT_CORNER, image.getSize());
- }
-
- @Override
- public TextGraphics drawImage(
- TerminalPosition topLeft,
- TextImage image,
- TerminalPosition sourceImageTopLeft,
- TerminalSize sourceImageSize) {
-
- // If the source image position is negative, offset the whole image
- if(sourceImageTopLeft.getColumn() < 0) {
- topLeft = topLeft.withRelativeColumn(-sourceImageTopLeft.getColumn());
- sourceImageSize = sourceImageSize.withRelativeColumns(sourceImageTopLeft.getColumn());
- sourceImageTopLeft = sourceImageTopLeft.withColumn(0);
- }
- if(sourceImageTopLeft.getRow() < 0) {
- topLeft = topLeft.withRelativeRow(-sourceImageTopLeft.getRow());
- sourceImageSize = sourceImageSize.withRelativeRows(sourceImageTopLeft.getRow());
- sourceImageTopLeft = sourceImageTopLeft.withRow(0);
- }
-
- // cropping specified image-subrectangle to the image itself:
- int fromRow = Math.max(sourceImageTopLeft.getRow(), 0);
- int untilRow = Math.min(sourceImageTopLeft.getRow() + sourceImageSize.getRows(), image.getSize().getRows());
- int fromColumn = Math.max(sourceImageTopLeft.getColumn(), 0);
- int untilColumn = Math.min(sourceImageTopLeft.getColumn() + sourceImageSize.getColumns(), image.getSize().getColumns());
-
- // difference between position in image and position on target:
- int diffRow = topLeft.getRow() - sourceImageTopLeft.getRow();
- int diffColumn = topLeft.getColumn() - sourceImageTopLeft.getColumn();
-
- // top/left-crop at target(TextGraphics) rectangle: (only matters, if topLeft has a negative coordinate)
- fromRow = Math.max(fromRow, -diffRow);
- fromColumn = Math.max(fromColumn, -diffColumn);
-
- // bot/right-crop at target(TextGraphics) rectangle: (only matters, if topLeft has a negative coordinate)
- untilRow = Math.min(untilRow, getSize().getRows() - diffRow);
- untilColumn = Math.min(untilColumn, getSize().getColumns() - diffColumn);
-
- if (fromRow >= untilRow || fromColumn >= untilColumn) {
- return this;
- }
- for (int row = fromRow; row < untilRow; row++) {
- for (int column = fromColumn; column < untilColumn; column++) {
- setCharacter(column + diffColumn, row + diffRow, image.getCharacterAt(column, row));
- }
- }
- return this;
- }
-
- @Override
- public TextGraphics putString(int column, int row, String string) {
- if(string.contains("\n")) {
- string = string.substring(0, string.indexOf("\n"));
- }
- if(string.contains("\r")) {
- string = string.substring(0, string.indexOf("\r"));
- }
- string = tabBehaviour.replaceTabs(string, column);
- int offset = 0;
- for(int i = 0; i < string.length(); i++) {
- char character = string.charAt(i);
- setCharacter(
- column + offset,
- row,
- new TextCharacter(
- character,
- foregroundColor,
- backgroundColor,
- activeModifiers.clone()));
-
- if(TerminalTextUtils.isCharCJK(character)) {
- //CJK characters are twice the normal characters in width, so next character position is two columns forward
- offset += 2;
- }
- else {
- //For "normal" characters we advance to the next column
- offset += 1;
- }
- }
- return this;
- }
-
- @Override
- public TextGraphics putString(TerminalPosition position, String string) {
- putString(position.getColumn(), position.getRow(), string);
- return this;
- }
-
- @Override
- public TextGraphics putString(int column, int row, String string, SGR extraModifier, SGR... optionalExtraModifiers) {clearModifiers();
- return putString(column, row, string, EnumSet.of(extraModifier, optionalExtraModifiers));
- }
-
- @Override
- public TextGraphics putString(int column, int row, String string, Collection<SGR> extraModifiers) {
- extraModifiers.removeAll(activeModifiers);
- enableModifiers(extraModifiers);
- putString(column, row, string);
- disableModifiers(extraModifiers);
- return this;
- }
-
- @Override
- public TextGraphics putString(TerminalPosition position, String string, SGR extraModifier, SGR... optionalExtraModifiers) {
- putString(position.getColumn(), position.getRow(), string, extraModifier, optionalExtraModifiers);
- return this;
- }
-
- @Override
- public TextCharacter getCharacter(TerminalPosition position) {
- return getCharacter(position.getColumn(), position.getRow());
- }
-
- @Override
- public TextGraphics newTextGraphics(TerminalPosition topLeftCorner, TerminalSize size) throws IllegalArgumentException {
- TerminalSize writableArea = getSize();
- if(topLeftCorner.getColumn() + size.getColumns() <= 0 ||
- topLeftCorner.getColumn() >= writableArea.getColumns() ||
- topLeftCorner.getRow() + size.getRows() <= 0 ||
- topLeftCorner.getRow() >= writableArea.getRows()) {
- //The area selected is completely outside of this TextGraphics, so we can return a "null" object that doesn't
- //do anything because it is impossible to change anything anyway
- return new NullTextGraphics(size);
- }
- return new SubTextGraphics(this, topLeftCorner, size);
- }
-
- private TextCharacter newTextCharacter(char character) {
- return new TextCharacter(character, foregroundColor, backgroundColor, activeModifiers);
- }
-}
git://git.nikiroo.be / jvcard.git / blobdiff