Java ImageSize.getWidth方法代码示例

import com.nostra13.universalimageloader.core.assist.ImageSize; //导入方法依赖的package包/类
public static float computeImageScale(ImageSize srcSize, ImageSize targetSize, ViewScaleType viewScaleType, boolean stretch) {
    int destWidth;
    int srcWidth = srcSize.getWidth();
    int srcHeight = srcSize.getHeight();
    int targetWidth = targetSize.getWidth();
    int targetHeight = targetSize.getHeight();
    float widthScale = ((float) srcWidth) / ((float) targetWidth);
    float heightScale = ((float) srcHeight) / ((float) targetHeight);
    int destHeight;
    if ((viewScaleType != ViewScaleType.FIT_INSIDE || widthScale < heightScale) && (viewScaleType != ViewScaleType.CROP || widthScale >= heightScale)) {
        destWidth = (int) (((float) srcWidth) / heightScale);
        destHeight = targetHeight;
    } else {
        destWidth = targetWidth;
        destHeight = (int) (((float) srcHeight) / widthScale);
    }
    if ((stretch || destWidth >= srcWidth || destHeight >= srcHeight) && (!stretch || destWidth == srcWidth || destHeight == srcHeight)) {
        return 1.0f;
    }
    return ((float) destWidth) / ((float) srcWidth);
}
 

import com.nostra13.universalimageloader.core.assist.ImageSize; //导入方法依赖的package包/类
public static float computeImageScale(ImageSize srcSize, ImageSize targetSize, ViewScaleType
        viewScaleType, boolean stretch) {
    int destWidth;
    int srcWidth = srcSize.getWidth();
    int srcHeight = srcSize.getHeight();
    int targetWidth = targetSize.getWidth();
    int targetHeight = targetSize.getHeight();
    float widthScale = ((float) srcWidth) / ((float) targetWidth);
    float heightScale = ((float) srcHeight) / ((float) targetHeight);
    int destHeight;
    if ((viewScaleType != ViewScaleType.FIT_INSIDE || widthScale < heightScale) &&
            (viewScaleType != ViewScaleType.CROP || widthScale >= heightScale)) {
        destWidth = (int) (((float) srcWidth) / heightScale);
        destHeight = targetHeight;
    } else {
        destWidth = targetWidth;
        destHeight = (int) (((float) srcHeight) / widthScale);
    }
    if ((stretch || destWidth >= srcWidth || destHeight >= srcHeight) && (!stretch ||
            destWidth == srcWidth || destHeight == srcHeight)) {
        return 1.0f;
    }
    return ((float) destWidth) / ((float) srcWidth);
}
 

import com.nostra13.universalimageloader.core.assist.ImageSize; //导入方法依赖的package包/类
/**
 * Defines target size for image aware view. Size is defined by target
 * {@link com.nostra13.universalimageloader.core.imageaware.ImageAware view} parameters, configuration
 * parameters or device display dimensions.<br />
 */
public static ImageSize defineTargetSizeForView(ImageAware imageAware, ImageSize maxImageSize) {
	int width = imageAware.getWidth();
	if (width <= 0) width = maxImageSize.getWidth();

	int height = imageAware.getHeight();
	if (height <= 0) height = maxImageSize.getHeight();

	return new ImageSize(width, height);
}
 

import com.nostra13.universalimageloader.core.assist.ImageSize; //导入方法依赖的package包/类
/**
 * Computes minimal sample size for downscaling image so result image size won't exceed max acceptable OpenGL
 * texture size.<br />
 * We can't create Bitmap in memory with size exceed max texture size (usually this is 2048x2048) so this method
 * calculate minimal sample size which should be applied to image to fit into these limits.
 *
 * @param srcSize Original image size
 * @return Minimal sample size
 */
public static int computeMinImageSampleSize(ImageSize srcSize) {
	final int srcWidth = srcSize.getWidth();
	final int srcHeight = srcSize.getHeight();
	final int targetWidth = maxBitmapSize.getWidth();
	final int targetHeight = maxBitmapSize.getHeight();

	final int widthScale = (int) Math.ceil((float) srcWidth / targetWidth);
	final int heightScale = (int) Math.ceil((float) srcHeight / targetHeight);

	return Math.max(widthScale, heightScale); // max
}
 

import com.nostra13.universalimageloader.core.assist.ImageSize; //导入方法依赖的package包/类
/**
 * Computes scale of target size (<b>targetSize</b>) to source size (<b>srcSize</b>).<br />
 * <br />
 * <b>Examples:</b><br />
 * <p/>
 * <pre>
 * srcSize(40x40), targetSize(10x10) -> scale = 0.25
 *
 * srcSize(10x10), targetSize(20x20), stretch = false -> scale = 1
 * srcSize(10x10), targetSize(20x20), stretch = true  -> scale = 2
 *
 * srcSize(100x100), targetSize(20x40), viewScaleType = FIT_INSIDE -> scale = 0.2
 * srcSize(100x100), targetSize(20x40), viewScaleType = CROP       -> scale = 0.4
 * </pre>
 *
 * @param srcSize       Source (image) size
 * @param targetSize    Target (view) size
 * @param viewScaleType {@linkplain ViewScaleType Scale type} for placing image in view
 * @param stretch       Whether source size should be stretched if target size is larger than source size. If <b>false</b>
 *                      then result scale value can't be greater than 1.
 * @return Computed scale
 */
public static float computeImageScale(ImageSize srcSize, ImageSize targetSize, ViewScaleType viewScaleType,
		boolean stretch) {
	final int srcWidth = srcSize.getWidth();
	final int srcHeight = srcSize.getHeight();
	final int targetWidth = targetSize.getWidth();
	final int targetHeight = targetSize.getHeight();

	final float widthScale = (float) srcWidth / targetWidth;
	final float heightScale = (float) srcHeight / targetHeight;

	final int destWidth;
	final int destHeight;
	if ((viewScaleType == ViewScaleType.FIT_INSIDE && widthScale >= heightScale) || (viewScaleType == ViewScaleType.CROP && widthScale < heightScale)) {
		destWidth = targetWidth;
		destHeight = (int) (srcHeight / widthScale);
	} else {
		destWidth = (int) (srcWidth / heightScale);
		destHeight = targetHeight;
	}

	float scale = 1;
	if ((!stretch && destWidth < srcWidth && destHeight < srcHeight) || (stretch && destWidth != srcWidth && destHeight != srcHeight)) {
		scale = (float) destWidth / srcWidth;
	}

	return scale;
}
 

import com.nostra13.universalimageloader.core.assist.ImageSize; //导入方法依赖的package包/类
public static ImageSize defineTargetSizeForView(ImageAware imageAware, ImageSize maxImageSize) {
    int width = imageAware.getWidth();
    if (width <= 0) {
        width = maxImageSize.getWidth();
    }
    int height = imageAware.getHeight();
    if (height <= 0) {
        height = maxImageSize.getHeight();
    }
    return new ImageSize(width, height);
}
 

import com.nostra13.universalimageloader.core.assist.ImageSize; //导入方法依赖的package包/类
public static int computeImageSampleSize(ImageSize srcSize, ImageSize targetSize, ViewScaleType viewScaleType, boolean powerOf2Scale) {
    int srcWidth = srcSize.getWidth();
    int srcHeight = srcSize.getHeight();
    int targetWidth = targetSize.getWidth();
    int targetHeight = targetSize.getHeight();
    int scale = 1;
    int halfWidth;
    int halfHeight;
    switch (viewScaleType) {
        case FIT_INSIDE:
            if (!powerOf2Scale) {
                scale = Math.max(srcWidth / targetWidth, srcHeight / targetHeight);
                break;
            }
            halfWidth = srcWidth / 2;
            halfHeight = srcHeight / 2;
            while (true) {
                if (halfWidth / scale <= targetWidth && halfHeight / scale <= targetHeight) {
                    break;
                }
                scale *= 2;
            }
            break;
        case CROP:
            if (!powerOf2Scale) {
                scale = Math.min(srcWidth / targetWidth, srcHeight / targetHeight);
                break;
            }
            halfWidth = srcWidth / 2;
            halfHeight = srcHeight / 2;
            while (halfWidth / scale > targetWidth && halfHeight / scale > targetHeight) {
                scale *= 2;
            }
            break;
    }
    if (scale < 1) {
        scale = 1;
    }
    return considerMaxTextureSize(srcWidth, srcHeight, scale, powerOf2Scale);
}
 

import com.nostra13.universalimageloader.core.assist.ImageSize; //导入方法依赖的package包/类
public static int computeMinImageSampleSize(ImageSize srcSize) {
    int srcWidth = srcSize.getWidth();
    int srcHeight = srcSize.getHeight();
    return Math.max((int) Math.ceil((double) (((float) srcWidth) / ((float) maxBitmapSize
            .getWidth()))), (int) Math.ceil((double) (((float) srcHeight) / ((float)
            maxBitmapSize.getHeight()))));
}
 

import com.nostra13.universalimageloader.core.assist.ImageSize; //导入方法依赖的package包/类
public void updateWallpapers(@NonNull List<Wallpaper> wallpapers) {
    if (!openDatabase()) {
        LogUtil.e("Database error: updateWallpapers() failed to open database");
        return;
    }

    String query = "UPDATE " +TABLE_WALLPAPERS+ " SET " +KEY_FAVORITE+ " = ?, " +KEY_SIZE+ " = ?, "
            +KEY_MIME_TYPE+ " = ?, " +KEY_WIDTH+ " = ?," +KEY_HEIGHT+ " = ?, " +KEY_COLOR+ " = ? "
            +"WHERE " +KEY_URL+ " = ?";
    SQLiteStatement statement = mDatabase.get().mSQLiteDatabase.compileStatement(query);
    mDatabase.get().mSQLiteDatabase.beginTransaction();

    for (Wallpaper wallpaper : wallpapers) {
        statement.clearBindings();

        statement.bindLong(1, wallpaper.isFavorite() ? 1 : 0);
        statement.bindLong(2, wallpaper.getSize());

        String mimeType = wallpaper.getMimeType();
        if (mimeType != null) {
            statement.bindString(3, mimeType);
        } else {
            statement.bindNull(3);
        }

        ImageSize dimension = wallpaper.getDimensions();
        int width = dimension == null ? 0 : dimension.getWidth();
        int height = dimension == null ? 0 : dimension.getHeight();
        statement.bindLong(4, width);
        statement.bindLong(5, height);

        statement.bindLong(6, wallpaper.getColor());
        statement.bindString(7, wallpaper.getUrl());
        statement.execute();
    }

    mDatabase.get().mSQLiteDatabase.setTransactionSuccessful();
    mDatabase.get().mSQLiteDatabase.endTransaction();
}
 

import com.nostra13.universalimageloader.core.assist.ImageSize; //导入方法依赖的package包/类
public static int computeMinImageSampleSize(ImageSize srcSize) {
    int srcWidth = srcSize.getWidth();
    int srcHeight = srcSize.getHeight();
    return Math.max((int) Math.ceil((double) (((float) srcWidth) / ((float) maxBitmapSize.getWidth()))), (int) Math.ceil((double) (((float) srcHeight) / ((float) maxBitmapSize.getHeight()))));
}
 

import com.nostra13.universalimageloader.core.assist.ImageSize; //导入方法依赖的package包/类
public static String generateKey(String imageUri, ImageSize targetSize) {
    return "_" + targetSize.getWidth() + WIDTH_AND_HEIGHT_SEPARATOR + targetSize.getHeight();
}
 

import com.nostra13.universalimageloader.core.assist.ImageSize; //导入方法依赖的package包/类
public static String generateKey(String imageUri, ImageSize targetSize) {
    return URI_AND_SIZE_SEPARATOR + targetSize.getWidth() + WIDTH_AND_HEIGHT_SEPARATOR +
            targetSize.getHeight();
}