我试图根据发送到更新函数的水平尺寸将图像缩放到一定大小,但以下代码似乎无法正确调整图像大小。
编辑:代码:
public class GlassesView extends View {
private Paint paint;
private BitmapFactory.Options options;
private Bitmap bitmapOrg;
private Bitmap target;
private Bitmap bitmapRev;
private Bitmap resizedBitmap;
private int currY;
public int glassesX;
public int glassesY;
public float glassesSizeX;
public float glassesSizeY;
private boolean drawGlasses;
private boolean glassesMirrored;
public GlassesView(Context context) {
super(context);
paint = new Paint();
paint.setDither(false);
paint.setAntiAlias(false);
options = new BitmapFactory.Options();
options.inDither = false;
options.inScaled = false;
bitmapOrg = Bitmap.createScaledBitmap(BitmapFactory.decodeResource(getResources(),
R.drawable.micro_glasses, options), 32, 5, false);
bitmapRev = Bitmap.createScaledBitmap(BitmapFactory.decodeResource(getResources(),
R.drawable.glasses_reverse, options), 32, 5, false);
drawGlasses = false;
}
@Override
protected void onDraw(Canvas canvas) {
canvas.drawBitmap(target, 0, 0, paint);
boolean moving = currY < glassesY;
if (moving) {
currY++;
}
if (drawGlasses) {
int newWidth = resizedBitmap.getWidth();
int newHeight = resizedBitmap.getHeight();
Paint bluey = new Paint();
bluey.setColor(Color.argb(64, 0, 0, 255));
canvas.drawRect(new Rect(glassesX, currY, glassesX + newWidth,
currY + newHeight), bluey);
canvas.drawBitmap(resizedBitmap, glassesX, currY, paint);
}
if (moving) {
invalidate();
}
}
public void drawGlasses(int x1, int x2, int y, boolean mirror) {
drawGlasses = true;
glassesMirrored = mirror;
if (!mirror) {
glassesSizeX = (float) (x2 - x1) / (float) (25 - 16);
glassesSizeY = glassesSizeX;
glassesY = y - (int)(1*glassesSizeX);
glassesX = (int) (x1 - (glassesSizeX * 16));
} else {
glassesSizeX = (float) (x1 - x2) / (float) (25 - 16);
glassesSizeY = glassesSizeX;
glassesY = y - (int)(1*glassesSizeX);
glassesX = (int) (x1 - (glassesSizeX * 16));
}
currY = -1;
if (!glassesMirrored) {
resizedBitmap = Bitmap.createScaledBitmap(bitmapOrg,
(int) (bitmapOrg.getWidth() * glassesSizeX),
(int) (bitmapOrg.getHeight() * glassesSizeY), false);
} else {
resizedBitmap = Bitmap.createScaledBitmap(bitmapRev,
(int) (bitmapRev.getWidth() * glassesSizeX),
(int) (bitmapRev.getHeight() * glassesSizeY), false);
}
}
public void setTargetPic(Bitmap targetPic) {
target = targetPic;
}
}
结果。(蓝色矩形是图像预期大小的边界框)
我在哪个部分出错了?
编辑2:这是眼镜:
编辑 3:出于好奇,我在我的实际手机上运行它,得到了截然不同的结果,图像被拉伸通过了预期的蓝色框。
编辑 4:我尝试在几个模拟器上运行该应用程序,看看它是否是 Android 版本不兼容的问题,但它们似乎都运行良好。缩放问题只发生在我的手机(Vibrant,rooted,CM7)和我表弟的(Droid,也rooted)上。这些是我测试过的唯一物理设备,但它们似乎都有相同的问题。如果有人可以在这里帮助我,我将非常感激,这是我项目中的一个巨大障碍,没有其他论坛或消息组响应。
编辑 5:我应该提到,在更新 4 中,代码发生了一些变化,正如我所说,它解决了模拟器中的问题,但不适用于物理设备。更改在上面的代码中更新。*急需帮助*:P
编辑 6:又一次更新,我在旧 G1 上测试了相同的代码,它按预期完美运行。我现在完全没有头绪。