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Update Java part of Android port

Browse source 
* java/org/gnu/emacs/EmacsCopyArea.java (EmacsCopyArea, perform)
(paintTo):
* java/org/gnu/emacs/EmacsDrawLine.java (EmacsDrawLine):
* java/org/gnu/emacs/EmacsDrawPoint.java (EmacsDrawPoint):
* java/org/gnu/emacs/EmacsDrawRectangle.java (EmacsDrawRectangle)
(paintTo):
* java/org/gnu/emacs/EmacsDrawable.java (EmacsDrawable):
* java/org/gnu/emacs/EmacsFillPolygon.java (EmacsFillPolygon):
* java/org/gnu/emacs/EmacsFillRectangle.java
(EmacsFillRectangle):
* java/org/gnu/emacs/EmacsFontDriver.java (EmacsFontDriver):
* java/org/gnu/emacs/EmacsGC.java (EmacsGC):
* java/org/gnu/emacs/EmacsNative.java (EmacsNative):
* java/org/gnu/emacs/EmacsPixmap.java (EmacsPixmap):
* java/org/gnu/emacs/EmacsSdk23FontDriver.java
(EmacsSdk23FontDriver):
* java/org/gnu/emacs/EmacsSdk7FontDriver.java
(EmacsSdk7FontDriver, textExtents1, textExtents, draw):
* java/org/gnu/emacs/EmacsService.java (EmacsService, copyArea):
* java/org/gnu/emacs/EmacsSurfaceView.java (EmacsSurfaceView):
* java/org/gnu/emacs/EmacsView.java (EmacsView, onLayout)
(onFocusChanged):
* java/org/gnu/emacs/EmacsWindow.java (EmacsWindow, run)
(resizeWindow, lockCanvas, getBitmap, onKeyDown, onKeyUp)
(onActivityDetached): Move rendering to main thread.  Make
drawing operations completely static.
This commit is contained in:
Po Lu 2023-01-08 15:39:02 +08:00
parent e816e57039
commit 695e26079e
17 changed files with 695 additions and 766 deletions
Download patch file Download diff file Expand all files Collapse all files

71
java/org/gnu/emacs/EmacsSdk23FontDriver.java
View file

@ -20,9 +20,80 @@ along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */
package org.gnu.emacs;
import android.graphics.Paint;
import android.graphics.Rect;
public class EmacsSdk23FontDriver extends EmacsSdk7FontDriver
{
private void
textExtents1 (Sdk7FontObject font, int code, FontMetrics metrics,
Paint paint, Rect bounds)
{
char[] text;
text = new char[2];
text[0] = (char) code;
text[1] = 'c';
paint.getTextBounds (text, 0, 1, bounds);
metrics.lbearing = (short) bounds.left;
metrics.rbearing = (short) bounds.right;
metrics.ascent = (short) -bounds.top;
metrics.descent = (short) bounds.bottom;
metrics.width
= (short) paint.getRunAdvance (text, 0, 1, 0, 1, false, 1);
}
@Override
public void
textExtents (FontObject font, int code[], FontMetrics fontMetrics)
{
int i;
Paint paintCache;
Rect boundsCache;
Sdk7FontObject fontObject;
char[] text;
float width;
fontObject = (Sdk7FontObject) font;
paintCache = fontObject.typeface.typefacePaint;
paintCache.setTextSize (fontObject.pixelSize);
boundsCache = new Rect ();
if (code.length == 0)
{
fontMetrics.lbearing = 0;
fontMetrics.rbearing = 0;
fontMetrics.ascent = 0;
fontMetrics.descent = 0;
fontMetrics.width = 0;
}
else if (code.length == 1)
textExtents1 ((Sdk7FontObject) font, code[0], fontMetrics,
paintCache, boundsCache);
else
{
text = new char[code.length + 1];
for (i = 0; i < code.length; ++i)
text[i] = (char) code[i];
text[code.length] = 'c';
paintCache.getTextBounds (text, 0, code.length,
boundsCache);
width = paintCache.getRunAdvance (text, 0, code.length, 0,
code.length,
false, code.length);
fontMetrics.lbearing = (short) boundsCache.left;
fontMetrics.rbearing = (short) boundsCache.right;
fontMetrics.ascent = (short) -boundsCache.top;
fontMetrics.descent = (short) boundsCache.bottom;
fontMetrics.width = (short) width;
}
}
@Override
public int
hasChar (FontSpec font, char charCode)