Merge "AutoSize TextView - correct pixel transformations" into oc-dev (98891dbb) · Commits · e / os / android_frameworks_base

core/java/android/widget/TextView.java

+29 −28

Original line number	Diff line number	Diff line
		@@ -746,17 +746,17 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		// Default value for the step size in pixels.
		private static final int DEFAULT_AUTO_SIZE_GRANULARITY_IN_PX = 1;
		// Use this to specify that any of the auto-size configuration int values have not been set.
		private static final int UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE = -1;
		private static final float UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE = -1f;
		// Auto-size text type.
		private int mAutoSizeTextType = AUTO_SIZE_TEXT_TYPE_NONE;
		// Specify if auto-size text is needed.
		private boolean mNeedsAutoSizeText = false;
		// Step size for auto-sizing in pixels.
		private int mAutoSizeStepGranularityInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE;
		private float mAutoSizeStepGranularityInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE;
		// Minimum text size for auto-sizing in pixels.
		private int mAutoSizeMinTextSizeInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE;
		private float mAutoSizeMinTextSizeInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE;
		// Maximum text size for auto-sizing in pixels.
		private int mAutoSizeMaxTextSizeInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE;
		private float mAutoSizeMaxTextSizeInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE;
		// Contains a (specified or computed) distinct sorted set of text sizes in pixels to pick from
		// when auto-sizing text.
		private int[] mAutoSizeTextSizesInPx = EmptyArray.INT;
		@@ -987,9 +987,9 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		CharSequence text = "";
		CharSequence hint = null;
		boolean password = false;
		int autoSizeMinTextSizeInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE;
		int autoSizeMaxTextSizeInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE;
		int autoSizeStepGranularityInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE;
		float autoSizeMinTextSizeInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE;
		float autoSizeMaxTextSizeInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE;
		float autoSizeStepGranularityInPx = UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE;
		int inputType = EditorInfo.TYPE_NULL;
		a = theme.obtainStyledAttributes(
		attrs, com.android.internal.R.styleable.TextView, defStyleAttr, defStyleRes);
		@@ -1363,17 +1363,17 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		break;

		case com.android.internal.R.styleable.TextView_autoSizeStepGranularity:
		autoSizeStepGranularityInPx = a.getDimensionPixelSize(attr,
		autoSizeStepGranularityInPx = a.getDimension(attr,
		UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE);
		break;

		case com.android.internal.R.styleable.TextView_autoSizeMinTextSize:
		autoSizeMinTextSizeInPx = a.getDimensionPixelSize(attr,
		autoSizeMinTextSizeInPx = a.getDimension(attr,
		UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE);
		break;

		case com.android.internal.R.styleable.TextView_autoSizeMaxTextSize:
		autoSizeMaxTextSizeInPx = a.getDimensionPixelSize(attr,
		autoSizeMaxTextSizeInPx = a.getDimension(attr,
		UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE);
		break;

		@@ -1692,14 +1692,14 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		final DisplayMetrics displayMetrics = getResources().getDisplayMetrics();

		if (autoSizeMinTextSizeInPx == UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE) {
		autoSizeMinTextSizeInPx = (int) TypedValue.applyDimension(
		autoSizeMinTextSizeInPx = TypedValue.applyDimension(
		TypedValue.COMPLEX_UNIT_SP,
		DEFAULT_AUTO_SIZE_MIN_TEXT_SIZE_IN_SP,
		displayMetrics);
		}

		if (autoSizeMaxTextSizeInPx == UNSET_AUTO_SIZE_UNIFORM_CONFIGURATION_VALUE) {
		autoSizeMaxTextSizeInPx = (int) TypedValue.applyDimension(
		autoSizeMaxTextSizeInPx = TypedValue.applyDimension(
		TypedValue.COMPLEX_UNIT_SP,
		DEFAULT_AUTO_SIZE_MAX_TEXT_SIZE_IN_SP,
		displayMetrics);
		@@ -1744,11 +1744,11 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		break;
		case AUTO_SIZE_TEXT_TYPE_UNIFORM:
		final DisplayMetrics displayMetrics = getResources().getDisplayMetrics();
		final int autoSizeMinTextSizeInPx = (int) TypedValue.applyDimension(
		final float autoSizeMinTextSizeInPx = TypedValue.applyDimension(
		TypedValue.COMPLEX_UNIT_SP,
		DEFAULT_AUTO_SIZE_MIN_TEXT_SIZE_IN_SP,
		displayMetrics);
		final int autoSizeMaxTextSizeInPx = (int) TypedValue.applyDimension(
		final float autoSizeMaxTextSizeInPx = TypedValue.applyDimension(
		TypedValue.COMPLEX_UNIT_SP,
		DEFAULT_AUTO_SIZE_MAX_TEXT_SIZE_IN_SP,
		displayMetrics);
		@@ -1797,11 +1797,11 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		int autoSizeMaxTextSize, int autoSizeStepGranularity, int unit) {
		if (supportsAutoSizeText()) {
		final DisplayMetrics displayMetrics = getResources().getDisplayMetrics();
		final int autoSizeMinTextSizeInPx = (int) TypedValue.applyDimension(
		final float autoSizeMinTextSizeInPx = TypedValue.applyDimension(
		unit, autoSizeMinTextSize, displayMetrics);
		final int autoSizeMaxTextSizeInPx = (int) TypedValue.applyDimension(
		final float autoSizeMaxTextSizeInPx = TypedValue.applyDimension(
		unit, autoSizeMaxTextSize, displayMetrics);
		final int autoSizeStepGranularityInPx = (int) TypedValue.applyDimension(
		final float autoSizeStepGranularityInPx = TypedValue.applyDimension(
		unit, autoSizeStepGranularity, displayMetrics);

		validateAndSetAutoSizeTextTypeUniformConfiguration(autoSizeMinTextSizeInPx,
		@@ -1843,8 +1843,8 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		final DisplayMetrics displayMetrics = getResources().getDisplayMetrics();
		// Convert all to sizes to pixels.
		for (int i = 0; i < presetSizesLength; i++) {
		presetSizesInPx[i] = (int) TypedValue.applyDimension(unit, presetSizes[i],
		displayMetrics);
		presetSizesInPx[i] = Math.round(TypedValue.applyDimension(unit,
		presetSizes[i], displayMetrics));
		}
		}

		@@ -1886,7 +1886,7 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		* @see #setAutoSizeTextTypeUniformWithConfiguration(int, int, int, int)
		*/
		public int getAutoSizeStepGranularity() {
		return mAutoSizeStepGranularityInPx;
		return Math.round(mAutoSizeStepGranularityInPx);
		}

		/**
		@@ -1899,7 +1899,7 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		* @see #setAutoSizeTextTypeUniformWithPresetSizes(int[], int)
		*/
		public int getAutoSizeMinTextSize() {
		return mAutoSizeMinTextSizeInPx;
		return Math.round(mAutoSizeMinTextSizeInPx);
		}

		/**
		@@ -1912,7 +1912,7 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		* @see #setAutoSizeTextTypeUniformWithPresetSizes(int[], int)
		*/
		public int getAutoSizeMaxTextSize() {
		return mAutoSizeMaxTextSizeInPx;
		return Math.round(mAutoSizeMaxTextSizeInPx);
		}

		/**
		@@ -1955,8 +1955,8 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		*
		* @throws IllegalArgumentException if any of the params are invalid
		*/
		private void validateAndSetAutoSizeTextTypeUniformConfiguration(int autoSizeMinTextSizeInPx,
		int autoSizeMaxTextSizeInPx, int autoSizeStepGranularityInPx) {
		private void validateAndSetAutoSizeTextTypeUniformConfiguration(float autoSizeMinTextSizeInPx,
		float autoSizeMaxTextSizeInPx, float autoSizeStepGranularityInPx) {
		// First validate.
		if (autoSizeMinTextSizeInPx <= 0) {
		throw new IllegalArgumentException("Minimum auto-size text size ("
		@@ -2022,18 +2022,19 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		// Calculate sizes to choose from based on the current auto-size configuration.
		int autoSizeValuesLength = (int) Math.ceil(
		(mAutoSizeMaxTextSizeInPx - mAutoSizeMinTextSizeInPx)
		/ (float) mAutoSizeStepGranularityInPx);
		/ mAutoSizeStepGranularityInPx);
		// Also reserve a slot for the max size if it fits.
		if ((mAutoSizeMaxTextSizeInPx - mAutoSizeMinTextSizeInPx)
		% mAutoSizeStepGranularityInPx == 0) {
		autoSizeValuesLength++;
		}
		mAutoSizeTextSizesInPx = new int[autoSizeValuesLength];
		int sizeToAdd = mAutoSizeMinTextSizeInPx;
		int[] autoSizeTextSizesInPx = new int[autoSizeValuesLength];
		float sizeToAdd = mAutoSizeMinTextSizeInPx;
		for (int i = 0; i < autoSizeValuesLength; i++) {
		mAutoSizeTextSizesInPx[i] = sizeToAdd;
		autoSizeTextSizesInPx[i] = Math.round(sizeToAdd);
		sizeToAdd += mAutoSizeStepGranularityInPx;
		}
		mAutoSizeTextSizesInPx = cleanupAutoSizePresetSizes(autoSizeTextSizesInPx);
		}

		mNeedsAutoSizeText = true;