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this work for additional information regarding copyright ownership.
The ASF licenses this file to You 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.
==================================================================== */
package org.apache.poi.sl.usermodel;
import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;
import java.util.List;
public interface TextShape<
S extends Shape,
P extends TextParagraph
> extends SimpleShape, Iterable {
/**
* Vertical Text Types
*/
enum TextDirection {
/**
* Horizontal text. This should be default.
*/
HORIZONTAL,
/**
* Vertical orientation.
* (each line is 90 degrees rotated clockwise, so it goes
* from top to bottom; each next line is to the left from
* the previous one).
*/
VERTICAL,
/**
* Vertical orientation.
* (each line is 270 degrees rotated clockwise, so it goes
* from bottom to top; each next line is to the right from
* the previous one).
* For HSLF: always interpreted by Powerpoint as HORIZONTAL.
*/
VERTICAL_270,
/**
* Determines if all of the text is vertical
* ("one letter on top of another").
* For HSLF: not supported
*/
STACKED
}
/**
* Specifies alist of auto-fit types.
*
* Autofit specofies that a shape should be auto-fit to fully contain the text described within it.
* Auto-fitting is when text within a shape is scaled in order to contain all the text inside
*
*/
enum TextAutofit {
/**
* Specifies that text within the text body should not be auto-fit to the bounding box.
* Auto-fitting is when text within a text box is scaled in order to remain inside
* the text box.
*/
NONE,
/**
* Specifies that text within the text body should be normally auto-fit to the bounding box.
* Autofitting is when text within a text box is scaled in order to remain inside the text box.
*
*
* Example: Consider the situation where a user is building a diagram and needs
* to have the text for each shape that they are using stay within the bounds of the shape.
* An easy way this might be done is by using NORMAL autofit
*
*/
NORMAL,
/**
* Specifies that a shape should be auto-fit to fully contain the text described within it.
* Auto-fitting is when text within a shape is scaled in order to contain all the text inside.
*
*
* Example: Consider the situation where a user is building a diagram and needs to have
* the text for each shape that they are using stay within the bounds of the shape.
* An easy way this might be done is by using SHAPE autofit
*
*/
SHAPE
}
/**
* This enum represents a compromise for the handling of
* HSLF run types (see org.apache.poi.hslf.record.TextHeaderAtom) and
* XSLF placeholders (see org.apache.poi.xslf.usermodel.Placeholder).
* When a shape is considered a placeholder by the generating application
* it can have special properties to alert the user that they may enter content into the shape.
*
* This enum and the handling around it may change significantly in future releases
*/
enum TextPlaceholder {
/** Title placeholder shape text */
TITLE(0),
/** Body placeholder shape text */
BODY(1),
/** Center title placeholder shape text */
CENTER_TITLE(6),
/** Center body placeholder shape text */
CENTER_BODY(5),
/** Half-sized body placeholder shape text */
HALF_BODY(7),
/** Quarter-sized body placeholder shape text */
QUARTER_BODY(8),
/** Notes placeholder shape text */
NOTES(2),
/** Any other text */
OTHER(4);
public final int nativeId;
TextPlaceholder(int nativeId) {
this.nativeId = nativeId;
}
public static TextPlaceholder fromNativeId(int nativeId) {
for (TextPlaceholder ld : values()) {
if (ld.nativeId == nativeId) return ld;
}
return null;
}
public static boolean isTitle(int nativeId) {
return (nativeId == TITLE.nativeId || nativeId == CENTER_TITLE.nativeId);
}
}
/**
* Returns the text contained in this text frame, which has been made safe
* for printing and other use.
*
* @return the text string for this textbox.
*
* @since POI 3.14-Beta2
*/
String getText();
/**
* Sets (overwrites) the current text.
* Uses the properties of the first paragraph / textrun.
* Text paragraphs are split by \\r or \\n.
* New lines within text run are split by \\u000b
*
* @param text the text string used by this object.
*
* @return the last text run of the - potential split - text
*/
TextRun setText(String text);
/**
* Adds the supplied text onto the end of the TextParagraphs,
* creating a new RichTextRun for it to sit in.
*
* @param text the text string to be appended.
* @param newParagraph if true, a new paragraph will be added,
* which will contain the added text
*
* @since POI 3.14-Beta1
*/
TextRun appendText(String text, boolean newParagraph);
/**
* @return the TextParagraphs for this text box
*/
List getTextParagraphs();
/**
* @return text shape margin
*/
Insets2D getInsets();
/**
* Sets the shape margins
*
* @param insets the new shape margins
*/
void setInsets(Insets2D insets);
/**
* Compute the cumulative height occupied by the text
*
* @return the cumulative height occupied by the text
*/
double getTextHeight();
/**
* Compute the cumulative height occupied by the text
*
* @param graphics a customized graphics context, e.g. which contains font mappings
*
* @return the cumulative height occupied by the text
*
* @since POI 3.17-beta2
*/
double getTextHeight(Graphics2D graphics);
/**
* Returns the type of vertical alignment for the text.
*
* @return the type of vertical alignment
*/
VerticalAlignment getVerticalAlignment();
/**
* Sets the type of vertical alignment for the text.
*
* @param vAlign - the type of alignment.
* A {@code null} values unsets this property.
*/
void setVerticalAlignment(VerticalAlignment vAlign);
/**
* Returns if the text is centered.
* If true and if the individual paragraph settings allow it,
* the whole text block will be displayed centered, i.e. its left and right
* margin will be maximized while still keeping the alignment of the paragraphs
*
* @return true, if the text anchor is horizontal centered
*/
boolean isHorizontalCentered();
/**
* Sets if the paragraphs are horizontal centered
*
* @param isCentered true, if the paragraphs are horizontal centered
* A {@code null} values unsets this property.
*/
void setHorizontalCentered(Boolean isCentered);
/**
* @return whether to wrap words within the bounding rectangle
*/
boolean getWordWrap();
/**
* @param wrap whether to wrap words within the bounding rectangle
*/
void setWordWrap(boolean wrap);
/**
* @return vertical orientation of the text
*/
TextDirection getTextDirection();
/**
* sets the vertical orientation
* @param orientation vertical orientation of the text
*/
void setTextDirection(TextDirection orientation);
/**
* The text rotation can be independent specified from the shape rotation.
* For XSLF this can be an arbitrary degree, for HSLF the degree is given in steps of 90 degrees
*
* @return text rotation in degrees, returns null if no rotation is given
*/
Double getTextRotation();
/**
* Sets the text rotation.
* For XSLF this can ben an arbitrary degree, for HSLF the rotation is rounded to next 90 degree step
*
* @param rotation the text rotation, or null to unset the rotation
*/
void setTextRotation(Double rotation);
/**
* Sets the text placeholder
*/
void setTextPlaceholder(TextPlaceholder placeholder);
/**
* @return the text placeholder
*/
TextPlaceholder getTextPlaceholder();
/**
* Adjust the size of the shape so it encompasses the text inside it.
*
* @return a {@code Rectangle2D} that is the bounds of this shape.
*
* @since POI 3.17-beta2
*/
Rectangle2D resizeToFitText();
/**
* Adjust the size of the shape so it encompasses the text inside it.
*
* @param graphics a customized graphics context, e.g. which contains font mappings
*
* @return a {@code Rectangle2D} that is the bounds of this shape.
*
* @since POI 3.17-beta2
*/
Rectangle2D resizeToFitText(Graphics2D graphics);
}