mirror of
git://git.sv.gnu.org/emacs.git
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Port visible bell to Android
* java/org/gnu/emacs/EmacsDrawRectangle.java (perform): Ignore GC_INVERT. * java/org/gnu/emacs/EmacsFillRectangle.java (EmacsFillRectangle) <invertFilter>: New variable. (perform): If the transfer mode is invert, copy the source to itself with invertFilter as the color filter. * java/org/gnu/emacs/EmacsGC.java (EmacsGC) <xorAlu, srcInAlu>: Delete now-redundant ALUs. (markDirty): Cease updating the paint's transfermode. * java/org/gnu/emacs/EmacsSafThread.java (openDocument1): Fix typo in documentation. * src/android.c (android_blit_xor): Delete unused function. (android_copy_area): Remove calls to unused blit functions. * src/androidgui.h (enum android_gc_function): Rename XOR to INVERT. * src/androidterm.c (android_flash): Replace with GXinvert.
This commit is contained in:
Po Lu
parent
d3e95fcae9
commit
b84fa71f89
7 changed files with 62 additions and 374 deletions
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@ -22,13 +22,23 @@ package org.gnu.emacs;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.graphics.PorterDuff.Mode;
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import android.graphics.PorterDuffXfermode;
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import android.graphics.Rect;
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import android.graphics.RectF;
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import android.graphics.Xfermode;
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import android.util.Log;
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public final class EmacsDrawRectangle
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{
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private static final Xfermode srcInAlu;
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static
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{
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srcInAlu = new PorterDuffXfermode (Mode.SRC_IN);
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};
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public static void
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perform (EmacsDrawable drawable, EmacsGC gc,
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int x, int y, int width, int height)
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@ -40,8 +50,10 @@ public final class EmacsDrawRectangle
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Canvas canvas;
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Bitmap clipBitmap;
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/* TODO implement stippling. */
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if (gc.fill_style == EmacsGC.GC_FILL_OPAQUE_STIPPLED)
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/* TODO implement stippling for this request. */
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if (gc.fill_style == EmacsGC.GC_FILL_OPAQUE_STIPPLED
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/* And GC_INVERT also. */
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|| gc.fill_style == EmacsGC.GC_INVERT)
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return;
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canvas = drawable.lockCanvas (gc);
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@ -103,7 +115,7 @@ public final class EmacsDrawRectangle
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/* Set the transfer mode to SRC_IN to preserve only the parts
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of the source that overlap with the mask. */
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maskPaint = new Paint ();
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maskPaint.setXfermode (EmacsGC.srcInAlu);
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maskPaint.setXfermode (srcInAlu);
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maskPaint.setStyle (Paint.Style.STROKE);
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/* Draw the source. */
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@ -21,6 +21,8 @@ package org.gnu.emacs;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.ColorFilter;
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import android.graphics.ColorMatrixColorFilter;
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import android.graphics.Paint;
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import android.graphics.Rect;
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@ -28,30 +30,42 @@ import android.util.Log;
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public final class EmacsFillRectangle
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{
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/* Color filter that inverts colors from the source. */
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private static final ColorFilter invertFilter;
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static
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{
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invertFilter = new ColorMatrixColorFilter (new float[] {
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-1f, 0f, 0f, 0f, 255f,
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0f, -1f, 0f, 0f, 255f,
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0f, 0f, -1f, 0f, 255f,
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0f, 0f, 0f, 1f, 0f,
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});
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};
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public static void
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perform (EmacsDrawable drawable, EmacsGC gc,
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int x, int y, int width, int height)
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{
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Paint maskPaint, paint;
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Canvas maskCanvas;
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Bitmap maskBitmap;
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Paint paint;
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Rect rect;
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Rect maskRect, dstRect;
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Canvas canvas;
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Bitmap clipBitmap;
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Bitmap invertBitmap;
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canvas = drawable.lockCanvas (gc);
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if (canvas == null)
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/* Clip masks are not respected or implemented when specified with
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this request. */
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if (canvas == null || gc.clip_mask != null)
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return;
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rect = new Rect (x, y, x + width, y + height);
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if (gc.function != EmacsGC.GC_INVERT)
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{
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paint = gc.gcPaint;
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paint.setStyle (Paint.Style.FILL);
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if (gc.clip_mask == null)
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{
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if (gc.fill_style != EmacsGC.GC_FILL_OPAQUE_STIPPLED)
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canvas.drawRect (rect, paint);
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else
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@ -59,57 +73,17 @@ public final class EmacsFillRectangle
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}
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else
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{
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/* Drawing with a clip mask involves calculating the
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intersection of the clip mask with the dst rect, and
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extrapolating the corresponding part of the src rect. */
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paint = new Paint ();
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clipBitmap = gc.clip_mask.bitmap;
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dstRect = new Rect (x, y, x + width, y + height);
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maskRect = new Rect (gc.clip_x_origin,
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gc.clip_y_origin,
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(gc.clip_x_origin
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+ clipBitmap.getWidth ()),
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(gc.clip_y_origin
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+ clipBitmap.getHeight ()));
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if (!maskRect.setIntersect (dstRect, maskRect))
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/* There is no intersection between the clip mask and the
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dest rect. */
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return;
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/* Finally, create a temporary bitmap that is the size of
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maskRect. */
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maskBitmap
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= Bitmap.createBitmap (maskRect.width (), maskRect.height (),
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Bitmap.Config.ARGB_8888);
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/* Draw the mask onto the maskBitmap. */
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maskCanvas = new Canvas (maskBitmap);
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maskRect.offset (-gc.clip_x_origin,
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-gc.clip_y_origin);
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maskCanvas.drawBitmap (gc.clip_mask.bitmap,
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maskRect, new Rect (0, 0,
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maskRect.width (),
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maskRect.height ()),
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paint);
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maskRect.offset (gc.clip_x_origin,
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gc.clip_y_origin);
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/* Set the transfer mode to SRC_IN to preserve only the parts
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of the source that overlap with the mask. */
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maskPaint = new Paint ();
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maskPaint.setXfermode (EmacsGC.srcInAlu);
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/* Draw the source. */
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maskCanvas.drawRect (maskRect, maskPaint);
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/* Finally, draw the mask bitmap to the destination. */
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paint.setXfermode (null);
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canvas.drawBitmap (maskBitmap, null, maskRect, paint);
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/* Recycle this unused bitmap. */
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maskBitmap.recycle ();
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/* Simply invert the destination, which is only implemented for
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this request. As Android doesn't permit copying a bitmap to
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itself, a copy of the source must be procured beforehand. */
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invertBitmap = Bitmap.createBitmap (drawable.getBitmap (),
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x, y, width, height);
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paint.setColorFilter (invertFilter);
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canvas.drawBitmap (invertBitmap, null, rect, paint);
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paint.setColorFilter (null);
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invertBitmap.recycle ();
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}
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drawable.damageRect (rect);
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@ -27,9 +27,7 @@ import android.graphics.Canvas;
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import android.graphics.ColorFilter;
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import android.graphics.PorterDuff.Mode;
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import android.graphics.PorterDuffColorFilter;
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import android.graphics.PorterDuffXfermode;
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import android.graphics.Shader.TileMode;
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import android.graphics.Xfermode;
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import android.graphics.drawable.BitmapDrawable;
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@ -41,7 +39,7 @@ import android.os.Build;
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public final class EmacsGC extends EmacsHandleObject
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{
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public static final int GC_COPY = 0;
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public static final int GC_XOR = 1;
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public static final int GC_INVERT = 1;
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public static final int GC_FILL_SOLID = 0;
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public static final int GC_FILL_OPAQUE_STIPPLED = 1;
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@ -49,8 +47,6 @@ public final class EmacsGC extends EmacsHandleObject
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public static final int GC_LINE_SOLID = 0;
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public static final int GC_LINE_ON_OFF_DASH = 1;
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public static final Xfermode xorAlu, srcInAlu;
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public int function, fill_style;
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public int foreground, background;
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public int clip_x_origin, clip_y_origin;
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@ -72,12 +68,6 @@ public final class EmacsGC extends EmacsHandleObject
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rectangles changed. 0 if there are no clip rectangles. */
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public long clipRectID;
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static
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{
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xorAlu = new PorterDuffXfermode (Mode.XOR);
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srcInAlu = new PorterDuffXfermode (Mode.SRC_IN);
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}
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/* The following fields are only set on immutable GCs. */
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public
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@ -131,8 +121,6 @@ public final class EmacsGC extends EmacsHandleObject
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/* A line_width of 0 is equivalent to that of 1. */
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gcPaint.setStrokeWidth (line_width < 1 ? 1 : line_width);
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gcPaint.setColor (foreground | 0xff000000);
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gcPaint.setXfermode (function == GC_XOR
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? xorAlu : srcInAlu);
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/* Update the stipple object with the new stipple bitmap, or delete
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it if the stipple has been cleared on systems too old to support
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@ -1623,10 +1623,10 @@ public final class EmacsSafThread extends HandlerThread
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mode is merely w.
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This may be ascribed to a mix-up in Android's documentation
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regardin DocumentsProvider: the `openDocument' function is only
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documented to accept r or rw, whereas the default
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implementation of the `openFile' function (which documents rwt)
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delegates to `openDocument'. */
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regarding DocumentsProvider: the `openDocument' function is only
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documented to accept r or rw, whereas the default implementation
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of the `openFile' function (which documents rwt) delegates to
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`openDocument'. */
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if (read && write && truncate && fileDescriptor != null
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&& !EmacsNative.ftruncate (fileDescriptor.getFd ()))
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288
src/android.c
288
src/android.c
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@ -4381,286 +4381,6 @@ android_blit_copy (int src_x, int src_y, int width, int height,
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}
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/* Xor a rectangle SRC_X, SRC_Y, WIDTH and HEIGHT from SRC, described
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by SRC_INFO, to DST_X and DST_Y in DST, as described by DST_INFO.
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Ignore the alpha channel when computing the exclusive-or of the
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destination pixel.
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If MASK is set, mask the source data using MASK_INFO, translating
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it by GC->clip_x_origin and GC->clip_y_origin. MASK must be a
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pixmap of depth 1.
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N.B. that currently only copies between bitmaps of depth 24 are
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implemented. */
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static void
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android_blit_xor (int src_x, int src_y, int width, int height,
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int dst_x, int dst_y, struct android_gc *gc,
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unsigned char *src, AndroidBitmapInfo *src_info,
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unsigned char *dst, AndroidBitmapInfo *dst_info,
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unsigned char *mask, AndroidBitmapInfo *mask_info)
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{
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#if 0
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uintptr_t start, end;
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int mask_offset;
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size_t pixel, offset, offset1;
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unsigned char *src_current, *dst_current;
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unsigned char *mask_current;
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int overflow, temp, i;
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bool backwards;
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unsigned int *long_src, *long_dst;
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#endif /* 0 */
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/* Note that this alu hasn't been tested -- it probably does not
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work! */
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emacs_abort ();
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#if 0
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/* Assert that the specified coordinates are within bounds. */
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eassert (src_x >= 0 && src_y >= 0
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&& dst_x >= 0 && dst_y >= 0);
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eassert (src_x + width <= src_info->width);
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eassert (src_y + height <= src_info->height);
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eassert (dst_x + width <= dst_info->width);
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eassert (dst_y + height <= dst_info->height);
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/* Now check that each bitmap has the correct format. */
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eassert (src_info->format == dst_info->format
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&& src_info->format == ANDROID_BITMAP_FORMAT_RGBA_8888);
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pixel = sizeof (unsigned int);
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/* Android doesn't have A1 bitmaps, so A8 is used to represent
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packed bitmaps of depth 1. */
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eassert (!mask || mask_info->format == ANDROID_BITMAP_FORMAT_A_8);
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/* Calculate the address of the first pixel of the first row to be
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copied in both src and dst. Compare them to determine the
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direction in which the copy is to take place. */
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overflow = ckd_mul (&start, src_y, src_info->stride);
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overflow |= ckd_mul (&end, src_x, pixel);
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overflow |= ckd_add (&start, (uintptr_t) src, start);
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if (overflow)
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return;
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src_current = (unsigned char *) start;
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overflow = ckd_mul (&start, dst_y, src_info->stride);
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overflow |= ckd_mul (&end, dst_x, pixel);
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overflow |= ckd_add (&start, (uintptr_t) dst, start);
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if (overflow)
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return;
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dst_current = (unsigned char *) start;
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backwards = false;
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/* Now see if copying should proceed from the bottom up. */
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if (src == dst && dst_current >= src_current)
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{
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backwards = true;
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/* Walk src and dst from bottom to top, in order to avoid
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overlap. Calculate the coordinate of the last pixel of the
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last row in both src and dst. */
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overflow = ckd_mul (&start, src_y + height - 1,
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src_info->stride);
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if (mask) /* If a mask is set, put the pointers before the end
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of the row. */
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overflow |= ckd_mul (&end, src_x + width - 1, pixel);
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else
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overflow |= ckd_mul (&end, src_x, pixel);
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overflow |= ckd_add (&start, start, end);
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overflow |= ckd_add (&start, (uintptr_t) src, start);
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if (overflow)
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return;
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src_current = (unsigned char *) start;
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overflow = ckd_mul (&start, dst_y + height - 1,
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dst_info->stride);
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if (mask) /* If a mask is set, put the pointers before the end
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of the row. */
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overflow |= ckd_mul (&end, dst_x + width - 1, pixel);
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else
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overflow |= ckd_mul (&end, dst_x, pixel);
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overflow |= ckd_add (&start, start, end);
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overflow |= ckd_add (&start, (uintptr_t) dst, start);
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if (overflow)
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return;
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dst_current = (unsigned char *) start;
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}
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if (!mask)
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{
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/* Change the direction of the copy depending on how SRC and DST
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overlap. */
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for (i = 0; i < height; ++i)
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{
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if (backwards)
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{
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for (i = width - 1; i <= 0; --i)
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(((unsigned int *) dst_current)[i])
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/* Keep the alpha channel intact. */
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^= (((unsigned int *) src_current)[i]) & 0xffffff;
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/* Proceed to the last row. */
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src_current -= src_info->stride;
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dst_current -= dst_info->stride;
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}
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else
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{
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for (i = 0; i < width; ++i)
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(((unsigned int *) dst_current)[i])
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/* Keep the alpha channel intact. */
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^= (((unsigned int *) src_current)[i]) & 0xffffff;
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/* Proceed to the next row. */
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src_current += src_info->stride;
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dst_current += dst_info->stride;
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}
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}
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}
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else
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{
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/* Adjust the source and destination Y. The start is MAX
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(dst_y, gc->clip_y_origin); the difference between that value
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and dst_y is the offset to apply to src_y. */
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temp = dst_y;
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dst_y = MAX (dst_y, gc->clip_y_origin);
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src_y += dst_y - temp;
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height -= dst_y - temp;
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/* Verify that the bounds are correct. */
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eassert (dst_y + height
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<= gc->clip_y_origin + mask_info->height);
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eassert (dst_y >= gc->clip_y_origin);
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/* There is a mask. For each scan line... */
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if (backwards)
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{
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/* Calculate the number of pixels at the end of the
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mask. */
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mask_offset = dst_x + width;
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mask_offset -= mask_info->width + gc->clip_x_origin;
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if (mask_info < 0)
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mask_info = 0;
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/* Calculate the last column of the mask that will be
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consulted. */
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temp = dst_x - gc->clip_x_origin;
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temp += MIN (mask_info->width - temp,
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width - mask_offset);
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if (temp < 0)
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return;
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/* Now calculate the last row of the mask that will be
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consulted. */
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i = dst_y - gc->clip_y_origin + height;
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/* Turn both into offsets. */
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if (ckd_mul (&offset, temp, pixel)
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|| ckd_mul (&offset1, i, mask_info->stride)
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|| ckd_add (&offset, offset, offset1)
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|| ckd_add (&start, (uintptr_t) mask, offset))
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return;
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mask = mask_current = (unsigned char *) start;
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for (i = 0; i < height; ++i)
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{
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/* Skip backwards past the end of the mask. */
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long_src = (unsigned int *) (src_current - mask_offset * pixel);
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long_dst = (unsigned int *) (dst_current - mask_offset * pixel);
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mask = mask_current;
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/* For each pixel covered by the mask... */
|
||||
temp = MIN (mask_info->width - temp, width - mask_offset);
|
||||
while (temp--)
|
||||
/* XOR the source to the destination, masked by the
|
||||
mask. */
|
||||
*long_dst-- ^= ((*(long_src--) & (0u - (*(mask--) & 1)))
|
||||
& 0xffffff);
|
||||
|
||||
/* Return to the last row. */
|
||||
src_current -= src_info->stride;
|
||||
dst_current -= dst_info->stride;
|
||||
mask_current -= mask_info->stride;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Calculate the first column of the mask that will be
|
||||
consulted. */
|
||||
|
||||
mask_offset = dst_x - gc->clip_x_origin;
|
||||
|
||||
/* Adjust the mask by that much. */
|
||||
|
||||
if (mask_offset > 0)
|
||||
mask += mask_offset;
|
||||
else
|
||||
{
|
||||
/* Offset src and dst by the mask offset. */
|
||||
src_current += -mask_offset * pixel;
|
||||
dst_current += -mask_offset * pixel;
|
||||
width -= mask_offset;
|
||||
}
|
||||
|
||||
/* Now move mask to the position of the first row. */
|
||||
|
||||
mask += gc->clip_y_origin * mask_info->stride;
|
||||
|
||||
for (i = 0; i < height; ++i)
|
||||
{
|
||||
long_src = (unsigned int *) src_current;
|
||||
long_dst = (unsigned int *) dst_current;
|
||||
mask_current = mask;
|
||||
|
||||
if (mask_offset > 0)
|
||||
{
|
||||
/* Copy bytes according to the mask. */
|
||||
temp = MIN (mask_info->width - mask_offset, width);
|
||||
while (temp--)
|
||||
*long_dst++ ^= ((*(long_src++)
|
||||
& (0u - (*(mask_current++) & 1)))
|
||||
& 0xffffff);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Copy bytes according to the mask. */
|
||||
temp = MIN (mask_info->width, width);
|
||||
while (temp--)
|
||||
*long_dst++ = ((*(long_src++)
|
||||
& (0u - (*(mask_current++) & 1)))
|
||||
& 0xffffff);
|
||||
}
|
||||
|
||||
src_current += src_info->stride;
|
||||
dst_current += dst_info->stride;
|
||||
mask += mask_info->stride;
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif /* 0 */
|
||||
}
|
||||
|
||||
void
|
||||
android_copy_area (android_drawable src, android_drawable dest,
|
||||
struct android_gc *gc, int src_x, int src_y,
|
||||
|
|
@ -4763,10 +4483,10 @@ android_copy_area (android_drawable src, android_drawable dest,
|
|||
do_blit = android_blit_copy;
|
||||
break;
|
||||
|
||||
case ANDROID_GC_XOR:
|
||||
do_blit = android_blit_xor;
|
||||
break;
|
||||
|
||||
/* case ANDROID_GC_INVERT: */
|
||||
/* do_blit = android_blit_invert; */
|
||||
/* A GC with its operation set to ANDROID_GC_INVERT is never given
|
||||
to CopyArea. */
|
||||
default:
|
||||
emacs_abort ();
|
||||
}
|
||||
|
|
|
|||
|
|
@ -56,7 +56,7 @@ struct android_point
|
|||
enum android_gc_function
|
||||
{
|
||||
ANDROID_GC_COPY = 0,
|
||||
ANDROID_GC_XOR = 1,
|
||||
ANDROID_GC_INVERT = 1,
|
||||
};
|
||||
|
||||
enum android_gc_value_mask
|
||||
|
|
|
|||
|
|
@ -151,14 +151,8 @@ android_flash (struct frame *f)
|
|||
fd_set fds;
|
||||
|
||||
block_input ();
|
||||
|
||||
values.function = ANDROID_GC_XOR;
|
||||
values.foreground = (FRAME_FOREGROUND_PIXEL (f)
|
||||
^ FRAME_BACKGROUND_PIXEL (f));
|
||||
|
||||
gc = android_create_gc ((ANDROID_GC_FUNCTION
|
||||
| ANDROID_GC_FOREGROUND),
|
||||
&values);
|
||||
values.function = ANDROID_GC_INVERT;
|
||||
gc = android_create_gc (ANDROID_GC_FUNCTION, &values);
|
||||
|
||||
/* Get the height not including a menu bar widget. */
|
||||
int height = FRAME_PIXEL_HEIGHT (f);
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue