/** Resets the dirty region when the motion event occurs. */
private void resetDirtyRect(float eventX, float eventY) {
// The lastTouchX and lastTouchY were set when the ACTION_DOWN
// motion event occurred.
dirtyRect.left = Math.min(lastTouchX, eventX);
dirtyRect.right = Math.max(lastTouchX, eventX);
dirtyRect.top = Math.min(lastTouchY, eventY);
dirtyRect.bottom = Math.max(lastTouchY, eventY);
}
// ==============================================================================
public final int[] renderGlyph(
char glyph, Paint paint, android.graphics.Matrix matrix, Rect bounds) {
Path p = new Path();
paint.getTextPath(String.valueOf(glyph), 0, 1, 0.0f, 0.0f, p);
RectF boundsF = new RectF();
p.computeBounds(boundsF, true);
matrix.mapRect(boundsF);
boundsF.roundOut(bounds);
bounds.left--;
bounds.right++;
final int w = bounds.width();
final int h = Math.max(1, bounds.height());
Bitmap bm = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
Canvas c = new Canvas(bm);
matrix.postTranslate(-bounds.left, -bounds.top);
c.setMatrix(matrix);
c.drawPath(p, paint);
final int sizeNeeded = w * h;
if (cachedRenderArray.length < sizeNeeded) cachedRenderArray = new int[sizeNeeded];
bm.getPixels(cachedRenderArray, 0, w, 0, 0, w, h);
bm.recycle();
return cachedRenderArray;
}
private int scrollBounds(int desiredScroll, int firstCell, int sizes[], int viewSize) {
if (desiredScroll == 0) {
// no op
} else if (desiredScroll < 0) {
desiredScroll = Math.max(desiredScroll, -sumArray(sizes, 1, firstCell));
} else {
desiredScroll =
Math.min(
desiredScroll,
Math.max(
0,
sumArray(sizes, firstCell + 1, sizes.length - 1 - firstCell)
+ sizes[0]
- viewSize));
}
return desiredScroll;
}
@Override
public boolean getPadding(Rect padding) {
padding.left = 0;
padding.top = 0;
padding.right = 0;
padding.bottom = 0;
final Rec[] array = mLayerState.mArray;
final int N = mLayerState.mNum;
for (int i = 0; i < N; i++) {
reapplyPadding(i, array[i]);
padding.left = Math.max(padding.left, mPaddingL[i]);
padding.top = Math.max(padding.top, mPaddingT[i]);
padding.right = Math.max(padding.right, mPaddingR[i]);
padding.bottom = Math.max(padding.bottom, mPaddingB[i]);
}
return true;
}
// Grows the cropping rectange by (dx, dy) in image space.
void moveBy(float dx, float dy) {
Rect invalRect = new Rect(mDrawRect);
mCropRect.offset(dx, dy);
// Put the cropping rectangle inside image rectangle.
mCropRect.offset(
Math.max(0, mImageRect.left - mCropRect.left), Math.max(0, mImageRect.top - mCropRect.top));
mCropRect.offset(
Math.min(0, mImageRect.right - mCropRect.right),
Math.min(0, mImageRect.bottom - mCropRect.bottom));
mDrawRect = computeLayout();
invalRect.union(mDrawRect);
invalRect.inset(-10, -10);
mContext.invalidate(invalRect);
}
// Audio
public static void audioInit(
int sampleRate, boolean is16Bit, boolean isStereo, int desiredFrames) {
int channelConfig =
isStereo
? AudioFormat.CHANNEL_CONFIGURATION_STEREO
: AudioFormat.CHANNEL_CONFIGURATION_MONO;
int audioFormat = is16Bit ? AudioFormat.ENCODING_PCM_16BIT : AudioFormat.ENCODING_PCM_8BIT;
int frameSize = (isStereo ? 2 : 1) * (is16Bit ? 2 : 1);
Log.v(
"SDL",
"SDL audio: wanted "
+ (isStereo ? "stereo" : "mono")
+ " "
+ (is16Bit ? "16-bit" : "8-bit")
+ " "
+ (sampleRate / 1000f)
+ "kHz, "
+ desiredFrames
+ " frames buffer");
// Let the user pick a larger buffer if they really want -- but ye
// gods they probably shouldn't, the minimums are horrifyingly high
// latency already
desiredFrames =
Math.max(
desiredFrames,
(AudioTrack.getMinBufferSize(sampleRate, channelConfig, audioFormat) + frameSize - 1)
/ frameSize);
mAudioTrack =
new AudioTrack(
AudioManager.STREAM_MUSIC,
sampleRate,
channelConfig,
audioFormat,
desiredFrames * frameSize,
AudioTrack.MODE_STREAM);
audioStartThread();
Log.v(
"SDL",
"SDL audio: got "
+ ((mAudioTrack.getChannelCount() >= 2) ? "stereo" : "mono")
+ " "
+ ((mAudioTrack.getAudioFormat() == AudioFormat.ENCODING_PCM_16BIT)
? "16-bit"
: "8-bit")
+ " "
+ (mAudioTrack.getSampleRate() / 1000f)
+ "kHz, "
+ desiredFrames
+ " frames buffer");
}
/**
* @param velocity
* @return the page you should "land" on
*/
private int getNextPage(int velocity) {
int nextPage;
if (velocity > mMinimumVelocity) {
nextPage = getCurrentPageFloor();
} else if (velocity < -mMinimumVelocity) {
nextPage = getCurrentPageCeil();
} else {
nextPage = getCurrentPageRound();
}
return Math.min(Math.max(nextPage, 0), mPageCount - 1);
}
public static int calculateInSampleSize(
BitmapFactory.Options options, int reqWidth, int reqHeight) {
int h = options.outHeight;
int w = options.outWidth;
int inSampleSize = 0;
if (h > reqHeight || w > reqWidth) {
float ratioW = (float) w / reqWidth;
float ratioH = (float) h / reqHeight;
inSampleSize = (int) Math.min(ratioH, ratioW);
}
inSampleSize = Math.max(1, inSampleSize);
return inSampleSize;
}
/**
* 根据移动的距离来刷新原来的圆半径大小
*
* @param distance
*/
private void refreshCurRadiusByMoveDistance(int distance) {
if (distance > maxMoveLength) {
isArrivedMaxMoved = true;
curRadius = 0;
} else {
isArrivedMaxMoved = false;
float calcRadius = (1 - 1f * distance / maxMoveLength) * originRadius;
float maxRadius = ABTextUtil.dip2px(context, 2);
curRadius = (int) Math.max(calcRadius, maxRadius);
// Logger.d(TAG, "[refreshCurRadiusByMoveDistance]curRadius: " + curRadius + ",
// calcRadius: " + calcRadius + ", maxRadius: " + maxRadius);
}
}
private void drawTown(Canvas canvas) {
Matrix matrix = mMatrix;
matrix.reset();
int y = Math.max(0, mTop - mTotalDragDistance);
float dragPercent = Math.min(1f, Math.abs(mPercent));
float townScale;
float townTopOffset;
float townMoveOffset;
float scalePercentDelta = dragPercent - SCALE_START_PERCENT;
if (scalePercentDelta > 0) {
/**
* Change townScale between {@link #TOWN_INITIAL_SCALE} and {@link #TOWN_FINAL_SCALE}
* depending on {@link #mPercent} Change townTopOffset between {@link #mTownInitialTopOffset}
* and {@link #mTownFinalTopOffset} depending on {@link #mPercent}
*/
float scalePercent = scalePercentDelta / (1.0f - SCALE_START_PERCENT);
townScale = TOWN_INITIAL_SCALE + (TOWN_FINAL_SCALE - TOWN_INITIAL_SCALE) * scalePercent;
townTopOffset =
mTownInitialTopOffset - (mTownFinalTopOffset - mTownInitialTopOffset) * scalePercent;
townMoveOffset = mTownMoveOffset * (1.0f - scalePercent);
} else {
float scalePercent = dragPercent / SCALE_START_PERCENT;
townScale = TOWN_INITIAL_SCALE;
townTopOffset = mTownInitialTopOffset;
townMoveOffset = mTownMoveOffset * scalePercent;
}
float offsetX = -(mScreenWidth * townScale - mScreenWidth) / 2.0f;
// float offsetY = (1.0f - dragPercent) * mTotalDragDistance // Offset canvas moving
float offsetY =
y
+ +townTopOffset
- mTownHeight * (townScale - 1.0f) / 2 // Offset town scaling
+ townMoveOffset; // Give it a little move
matrix.postScale(townScale, townScale);
// 移动建筑的中心点
matrix.postTranslate(offsetX, offsetY);
canvas.drawBitmap(mTown, matrix, null);
}
private void drawSky(Canvas canvas) {
Matrix matrix = mMatrix;
matrix.reset();
int y = Math.max(0, mTop - mTotalDragDistance);
// 0 ~ 1
float dragPercent = Math.min(1f, Math.abs(mPercent));
/**
* Change skyScale between {@link #SKY_INITIAL_SCALE} and 1.0f depending on {@link #mPercent}
*/
// 根据拖动的比例改变天空的大小
float skyScale;
float scalePercentDelta = dragPercent - SCALE_START_PERCENT;
/** less than {@link SCALE_START_PERCENT} will be {@link SKY_INITIAL_SCALE} */
// 拖动比例小于0.3时使用默认的大小1.05
if (scalePercentDelta > 0) {
/** will change from 0 ~ 1 * */
// skyScale = SKY_INITIAL_SCALE + (dragPercent - SCALE_START_PERCENT);
float scalePercent = scalePercentDelta / (1.0f - SCALE_START_PERCENT);
skyScale = SKY_INITIAL_SCALE - (SKY_INITIAL_SCALE - 1.0f) * scalePercent;
} else {
skyScale = SKY_INITIAL_SCALE;
}
float offsetX = -(mScreenWidth * skyScale - mScreenWidth) / 2.0f;
float offsetY =
y
+ 50
+ mSkyTopOffset // Offset canvas moving, goes lower when goes down
- mSkyHeight
* (skyScale - 1.0f)
/ 2 // Offset sky scaling, lower than 0, will go greater when goes down
+ mSkyMoveOffset
* dragPercent; // Give it a little move top -> bottom // will go greater when goes
// down
matrix.postScale(skyScale, skyScale);
matrix.postTranslate(offsetX, offsetY);
canvas.drawBitmap(mSky, matrix, null);
}
private int getMaxScrollY() {
return Math.max(0, sumArray(heights) - height);
}
private int getMaxScrollX() {
return Math.max(0, sumArray(widths) - width);
}
// Audio
public static int audioInit(
int sampleRate, boolean is16Bit, boolean isStereo, int desiredFrames) {
int channelConfig =
isStereo
? AudioFormat.CHANNEL_CONFIGURATION_STEREO
: AudioFormat.CHANNEL_CONFIGURATION_MONO;
int audioFormat = is16Bit ? AudioFormat.ENCODING_PCM_16BIT : AudioFormat.ENCODING_PCM_8BIT;
int frameSize = (isStereo ? 2 : 1) * (is16Bit ? 2 : 1);
Log.v(
"SDL",
"SDL audio: wanted "
+ (isStereo ? "stereo" : "mono")
+ " "
+ (is16Bit ? "16-bit" : "8-bit")
+ " "
+ (sampleRate / 1000f)
+ "kHz, "
+ desiredFrames
+ " frames buffer");
// Let the user pick a larger buffer if they really want -- but ye
// gods they probably shouldn't, the minimums are horrifyingly high
// latency already
desiredFrames =
Math.max(
desiredFrames,
(AudioTrack.getMinBufferSize(sampleRate, channelConfig, audioFormat) + frameSize - 1)
/ frameSize);
if (mAudioTrack == null) {
mAudioTrack =
new AudioTrack(
AudioManager.STREAM_MUSIC,
sampleRate,
channelConfig,
audioFormat,
desiredFrames * frameSize,
AudioTrack.MODE_STREAM);
// Instantiating AudioTrack can "succeed" without an exception and the track may still be
// invalid
// Ref:
// https://android.googlesource.com/platform/frameworks/base/+/refs/heads/master/media/java/android/media/AudioTrack.java
// Ref: http://developer.android.com/reference/android/media/AudioTrack.html#getState()
if (mAudioTrack.getState() != AudioTrack.STATE_INITIALIZED) {
Log.e("SDL", "Failed during initialization of Audio Track");
mAudioTrack = null;
return -1;
}
mAudioTrack.play();
}
Log.v(
"SDL",
"SDL audio: got "
+ ((mAudioTrack.getChannelCount() >= 2) ? "stereo" : "mono")
+ " "
+ ((mAudioTrack.getAudioFormat() == AudioFormat.ENCODING_PCM_16BIT)
? "16-bit"
: "8-bit")
+ " "
+ (mAudioTrack.getSampleRate() / 1000f)
+ "kHz, "
+ desiredFrames
+ " frames buffer");
return 0;
}
public void build(MessageWireframe wireframe, int desiredWidth, StelsApplication application) {
Logger.d(TAG, "Build layout start");
checkResources(application);
senderPaint = initTextPaint();
senderPaint.setTypeface(FontController.loadTypeface(application, "regular"));
senderPaint.setTextSize(bodyPaint.getTextSize());
senderPaint.setColor(0xff000000);
forwardingPaint = initTextPaint();
forwardingPaint.setTypeface(FontController.loadTypeface(application, "light"));
forwardingPaint.setTextSize(bodyPaint.getTextSize());
forwardingPaint.setColor(0xff000000);
this.layoutDesiredWidth = desiredWidth;
this.isOut = wireframe.message.isOut();
this.showState = isOut;
this.isGroup = wireframe.message.getPeerType() == PeerType.PEER_CHAT && !isOut;
if (isGroup) {
User user = wireframe.senderUser;
this.senderName = user.getDisplayName();
if (!wireframe.message.isForwarded()) {
senderPaint.setColor(
Placeholders.USER_PLACEHOLDERS_COLOR[
wireframe.message.getSenderId() % Placeholders.USER_PLACEHOLDERS_COLOR.length]);
forwardingPaint.setColor(
Placeholders.USER_PLACEHOLDERS_COLOR[
wireframe.message.getSenderId() % Placeholders.USER_PLACEHOLDERS_COLOR.length]);
}
}
if (wireframe.message.isForwarded()) {
isForwarded = true;
this.forwarderName = wireframe.forwardUser.getDisplayName();
if (isOut) {
forwardingPaint.setColor(0xff739f53);
senderPaint.setColor(0xff739f53);
} else {
forwardingPaint.setColor(0xff4884cf);
senderPaint.setColor(0xff4884cf);
}
} else {
isForwarded = false;
}
if (isGroup) {
User user = application.getEngine().getUser(wireframe.message.getSenderId());
this.senderName = user.getDisplayName();
}
if (wireframe.message.isForwarded()) {
isForwarded = true;
this.forwarderName = wireframe.forwardUser.getDisplayName();
} else {
isForwarded = false;
}
layoutDesiredWidth = desiredWidth;
long start = SystemClock.uptimeMillis();
this.spannable =
application
.getEmojiProcessor()
.processEmojiCompatMutable(
wireframe.message.getMessage(), EmojiProcessor.CONFIGURATION_BUBBLES);
// spannable = new SpannableString(wireframe.message.getMessage());
Logger.d(TAG, "Emoji processed in " + (SystemClock.uptimeMillis() - start) + " ms");
start = SystemClock.uptimeMillis();
Linkify.addLinks(
this.spannable, Linkify.WEB_URLS | Linkify.PHONE_NUMBERS | Linkify.EMAIL_ADDRESSES);
fixLinks(spannable);
Logger.d(TAG, "Added links in " + (SystemClock.uptimeMillis() - start) + " ms");
start = SystemClock.uptimeMillis();
layout =
new StaticLayout(
spannable, bodyPaint, desiredWidth, Layout.Alignment.ALIGN_NORMAL, 1.0f, 0.0f, true);
Logger.d(TAG, "Built base layout in " + (SystemClock.uptimeMillis() - start) + " ms");
if (layout.getLineCount() < 20) {
int layoutTextWidth = 0;
for (int i = 0; i < layout.getLineCount(); i++) {
layoutTextWidth = (int) Math.max(layout.getLineWidth(i), layoutTextWidth);
}
if (layoutTextWidth < layout.getWidth() - px(10)) {
layout =
new StaticLayout(
spannable,
bodyPaint,
layoutTextWidth + px(2),
Layout.Alignment.ALIGN_NORMAL,
1.0f,
0.0f,
true);
}
}
layoutRealWidth = layout.getWidth();
timeWidth = (int) clockOutPaint.measureText(wireframe.date) + px((showState ? 23 : 0) + 6);
if (layout.getLineCount() == 1) {
boolean isLastRtl = layout.getParagraphDirection(0) == Layout.DIR_RIGHT_TO_LEFT;
if (!isLastRtl && desiredWidth - layoutRealWidth > timeWidth) {
layoutRealWidth += timeWidth;
layoutHeight = layout.getHeight() + px(3);
} else if (isLastRtl && desiredWidth - layout.getWidth() > timeWidth) {
layoutRealWidth = layout.getWidth() + timeWidth;
layoutHeight = layout.getHeight() + px(3);
} else {
if (isLastRtl) {
layoutRealWidth = layout.getWidth();
}
layoutHeight = layout.getHeight() + px(17);
}
} else {
boolean isLastRtl =
layout.getParagraphDirection(layout.getLineCount() - 1) == Layout.DIR_RIGHT_TO_LEFT;
if (!isLastRtl
&& (desiredWidth - layout.getLineWidth(layout.getLineCount() - 1) > timeWidth)) {
layoutRealWidth =
(int)
Math.max(
layoutRealWidth, layout.getLineWidth(layout.getLineCount() - 1) + timeWidth);
layoutHeight = layout.getHeight() + px(3);
} else if (isLastRtl && (desiredWidth - layout.getWidth() > timeWidth)) {
layoutRealWidth = (int) Math.max(layoutRealWidth, layout.getWidth() + timeWidth);
layoutHeight = layout.getHeight() + px(3);
} else {
layoutHeight = layout.getHeight() + px(17);
}
}
if (layoutRealWidth < timeWidth) {
layoutRealWidth = timeWidth;
}
if (isForwarded) {
layoutHeight += px(19) * 2;
forwardOffset = (int) forwardingPaintBase.measureText("From ");
layoutRealWidth =
(int) Math.max(layoutRealWidth, forwardingPaintBase.measureText("Forwarded message"));
forwarderNameMeasured =
TextUtils.ellipsize(
forwarderName,
senderPaintBase,
desiredWidth - forwardOffset,
TextUtils.TruncateAt.END)
.toString();
layoutRealWidth =
(int)
Math.max(
layoutRealWidth,
forwardOffset + senderPaintBase.measureText(forwarderNameMeasured));
}
if (isGroup && !isOut && !isForwarded) {
layoutHeight += px(19);
senderNameMeasured =
TextUtils.ellipsize(senderName, senderPaintBase, desiredWidth, TextUtils.TruncateAt.END)
.toString();
int width = (int) senderPaintBase.measureText(senderNameMeasured);
layoutRealWidth = Math.max(layoutRealWidth, width);
}
Logger.d(TAG, "Build layout end");
}