From 867afe4c5b888ce3f4f9a867906cc8edb86e7aba Mon Sep 17 00:00:00 2001 From: steckbrief Date: Sun, 6 Aug 2017 01:15:13 +0200 Subject: avatar handling refactored --- .../services/avatar/AvatarBitmapUtil.java | 158 +++++++++++++++++++++ 1 file changed, 158 insertions(+) create mode 100644 src/main/java/de/thedevstack/conversationsplus/services/avatar/AvatarBitmapUtil.java (limited to 'src/main/java/de/thedevstack/conversationsplus/services/avatar/AvatarBitmapUtil.java') diff --git a/src/main/java/de/thedevstack/conversationsplus/services/avatar/AvatarBitmapUtil.java b/src/main/java/de/thedevstack/conversationsplus/services/avatar/AvatarBitmapUtil.java new file mode 100644 index 00000000..9d1546aa --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/services/avatar/AvatarBitmapUtil.java @@ -0,0 +1,158 @@ +package de.thedevstack.conversationsplus.services.avatar; + +import android.graphics.Bitmap; +import android.graphics.Canvas; +import android.graphics.Paint; +import android.graphics.Rect; +import android.graphics.Typeface; +import android.net.Uri; + +import java.util.List; +import java.util.Locale; + +import de.thedevstack.conversationsplus.entities.Account; +import de.thedevstack.conversationsplus.entities.Contact; +import de.thedevstack.conversationsplus.entities.MucOptions; +import de.thedevstack.conversationsplus.utils.AvatarUtil; +import de.thedevstack.conversationsplus.utils.ImageUtil; +import de.thedevstack.conversationsplus.utils.UIHelper; + +/** + */ +public final class AvatarBitmapUtil { + + private static final int FG_COLOR = 0xFFFAFAFA; + private static final int TRANSPARENT = 0x00000000; + private static final int PLACEHOLDER_COLOR = 0xFF202020; + + public static Bitmap createAvatarBitmap(String name, int size) { + Bitmap bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888); + Canvas canvas = new Canvas(bitmap); + drawTile(canvas, name, 0, 0, size, size); + return bitmap; + } + + public static Bitmap createAvatarBitmap(MucOptions mucOptions, int size) { + final List users = mucOptions.getUsers(); + int count = users.size(); + Bitmap bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888); + Canvas canvas = new Canvas(bitmap); + bitmap.eraseColor(TRANSPARENT); + + if (count == 0) { + String name = mucOptions.getConversation().getName(); + drawTile(canvas, name, 0, 0, size, size); + } else if (count == 1) { + drawTile(canvas, users.get(0), 0, 0, size / 2 - 1, size); + drawTile(canvas, mucOptions.getConversation().getAccount(), size / 2 + 1, 0, size, size); + } else if (count == 2) { + drawTile(canvas, users.get(0), 0, 0, size / 2 - 1, size); + drawTile(canvas, users.get(1), size / 2 + 1, 0, size, size); + } else if (count == 3) { + drawTile(canvas, users.get(0), 0, 0, size / 2 - 1, size); + drawTile(canvas, users.get(1), size / 2 + 1, 0, size, size / 2 - 1); + drawTile(canvas, users.get(2), size / 2 + 1, size / 2 + 1, size, + size); + } else if (count == 4) { + drawTile(canvas, users.get(0), 0, 0, size / 2 - 1, size / 2 - 1); + drawTile(canvas, users.get(1), 0, size / 2 + 1, size / 2 - 1, size); + drawTile(canvas, users.get(2), size / 2 + 1, 0, size, size / 2 - 1); + drawTile(canvas, users.get(3), size / 2 + 1, size / 2 + 1, size, + size); + } else { + drawTile(canvas, users.get(0), 0, 0, size / 2 - 1, size / 2 - 1); + drawTile(canvas, users.get(1), 0, size / 2 + 1, size / 2 - 1, size); + drawTile(canvas, users.get(2), size / 2 + 1, 0, size, size / 2 - 1); + drawTile(canvas, "\u2026", PLACEHOLDER_COLOR, size / 2 + 1, size / 2 + 1, + size, size); + } + + return bitmap; + } + + private static boolean drawTile(Canvas canvas, String letter, int tileColor, + int left, int top, int right, int bottom) { + letter = letter.toUpperCase(Locale.getDefault()); + Paint tilePaint = new Paint(), textPaint = new Paint(); + tilePaint.setColor(tileColor); + textPaint.setFlags(Paint.ANTI_ALIAS_FLAG); + textPaint.setColor(FG_COLOR); + textPaint.setTypeface(Typeface.create("sans-serif-light", + Typeface.NORMAL)); + textPaint.setTextSize((float) ((right - left) * 0.8)); + Rect rect = new Rect(); + + canvas.drawRect(new Rect(left, top, right, bottom), tilePaint); + textPaint.getTextBounds(letter, 0, 1, rect); + float width = textPaint.measureText(letter); + canvas.drawText(letter, (right + left) / 2 - width / 2, (top + bottom) + / 2 + rect.height() / 2, textPaint); + return true; + } + + private static boolean drawTile(Canvas canvas, MucOptions.User user, int left, + int top, int right, int bottom) { + Contact contact = user.getContact(); + if (contact != null) { + Uri uri = null; + if (contact.getProfilePhoto() != null) { + uri = Uri.parse(contact.getProfilePhoto()); + } else if (contact.getAvatar() != null) { + uri = AvatarUtil.getAvatarUri(contact.getAvatar()); + } + if (drawTile(canvas, uri, left, top, right, bottom)) { + return true; + } + } else if (user.getAvatar() != null) { + Uri uri = AvatarUtil.getAvatarUri(user.getAvatar()); + if (drawTile(canvas, uri, left, top, right, bottom)) { + return true; + } + } + String name = contact != null ? contact.getDisplayName() : user.getName(); + drawTile(canvas, name, left, top, right, bottom); + return true; + } + + private static boolean drawTile(Canvas canvas, Account account, int left, int top, int right, int bottom) { + String avatar = account.getAvatar(); + if (avatar != null) { + Uri uri = AvatarUtil.getAvatarUri(avatar); + if (uri != null) { + if (drawTile(canvas, uri, left, top, right, bottom)) { + return true; + } + } + } + return drawTile(canvas, account.getJid().toBareJid().toString(), left, top, right, bottom); + } + + private static boolean drawTile(Canvas canvas, String name, int left, int top, int right, int bottom) { + if (name != null) { + String trimmedName = name.trim(); + final String letter = trimmedName.isEmpty() ? "X" : trimmedName.substring(0, 1); + final int color = UIHelper.getColorForName(name); + drawTile(canvas, letter, color, left, top, right, bottom); + return true; + } + return false; + } + + private static boolean drawTile(Canvas canvas, Uri uri, int left, int top, int right, int bottom) { + if (uri != null) { + Bitmap bitmap = ImageUtil.cropCenter(uri, bottom - top, right - left); + if (bitmap != null) { + drawTile(canvas, bitmap, left, top, right, bottom); + return true; + } + } + return false; + } + + private static boolean drawTile(Canvas canvas, Bitmap bm, int dstleft, int dsttop, + int dstright, int dstbottom) { + Rect dst = new Rect(dstleft, dsttop, dstright, dstbottom); + canvas.drawBitmap(bm, null, dst, null); + return true; + } +} -- cgit v1.2.3