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Easy addition of other fonts #18

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Easy addition of other fonts #18

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b7ee984
introduced IconicFontDrawable
atermenji Jan 14, 2013
ae822cf
implementation of IconicFontDrawable. Samples updated
atermenji Mar 23, 2013
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173 changes: 173 additions & 0 deletions library/src/com/atermenji/android/iconictextview/IconicFontDrawable.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,173 @@
package com.atermenji.android.iconictextview;

import android.content.Context;
import android.graphics.*;
import android.graphics.drawable.Drawable;

import com.atermenji.android.iconictextview.icon.Icon;

public class IconicFontDrawable extends Drawable {

private Context mContext;

private Paint mIconPaint;
private Paint mContourPaint;

private Rect mPaddingBounds;
private RectF mPathBounds;

private Path mPath;

private int mIconPadding;
private int mContourWidth;

private boolean mDrawContour;

private Icon mIcon;
private char[] mIconUtfChars;

public IconicFontDrawable(Context context) {
mContext = context.getApplicationContext();

mIconPaint = new Paint(Paint.ANTI_ALIAS_FLAG);

mContourPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mContourPaint.setStyle(Paint.Style.STROKE);

mPath = new Path();

mPathBounds = new RectF();
mPaddingBounds = new Rect();
}

public IconicFontDrawable(Context context, final Icon icon) {
this(context);
updateIcon(icon);
}

public void setIcon(final Icon icon) {
updateIcon(icon);
invalidateSelf();
}

public void setIconColor(int color) {
mIconPaint.setColor(color);
invalidateSelf();
}

public void setIconPadding(int iconPadding) {
mIconPadding = iconPadding + mContourWidth;
invalidateSelf();
}

public void setContour(int contourColor, int contourWidth) {
setContourColor(contourColor);
setContourWidth(contourWidth);
invalidateSelf();
}

public void setContourColor(int contourColor) {
mContourPaint.setColor(contourColor);
invalidateSelf();
}

public void setContourWidth(int contourWidth) {
mContourWidth = contourWidth;
mContourPaint.setStrokeWidth(mContourWidth);
invalidateSelf();
}

public void drawContour(boolean drawStroke) {
mDrawContour = drawStroke;

if (mDrawContour) {
mIconPadding += mContourWidth;
} else {
mIconPadding -= mContourWidth;
}

invalidateSelf();
}

@Override
public void draw(Canvas canvas) {
if (mIcon != null) {
final Rect viewBounds = getBounds();

updatePaddingBounds(viewBounds);
updateTextSize(viewBounds);
offsetIcon(viewBounds);

mPath.close();

if (mDrawContour) {
canvas.drawPath(mPath, mContourPaint);
}

canvas.drawPath(mPath, mIconPaint);
}
}

@Override
public int getOpacity() {
return PixelFormat.OPAQUE;
}

@Override
public void setAlpha(int alpha) {
mIconPaint.setAlpha(alpha);
}

@Override
public void setColorFilter(ColorFilter cf) {
mIconPaint.setColorFilter(cf);
}

private void updateIcon(Icon icon) {
mIcon = icon;
mIconUtfChars = Character.toChars(icon.getIconUtfValue());
mIconPaint.setTypeface(mIcon.getIconicTypeface().getTypeface(mContext));
}

private void updatePaddingBounds(Rect viewBounds) {
if (mIconPadding >= 0
&& !(mIconPadding * 2 > viewBounds.width())
&& !(mIconPadding * 2 > viewBounds.height())) {
mPaddingBounds.set(
viewBounds.left + mIconPadding,
viewBounds.top + mIconPadding,
viewBounds.right - mIconPadding,
viewBounds.bottom - mIconPadding);
}
}

private void updateTextSize(Rect viewBounds) {
float textSize = (float) viewBounds.height() * 2;
mIconPaint.setTextSize(textSize);

mIconPaint.getTextPath(mIconUtfChars, 0, mIconUtfChars.length,
0, viewBounds.height(), mPath);
mPath.computeBounds(mPathBounds, true);

float deltaWidth = ((float) mPaddingBounds.width() / mPathBounds.width());
float deltaHeight = ((float) mPaddingBounds.height() / mPathBounds.height());
float delta = (deltaWidth < deltaHeight) ? deltaWidth : deltaHeight;
textSize *= delta;

mIconPaint.setTextSize(textSize);

mIconPaint.getTextPath(mIconUtfChars, 0, mIconUtfChars.length,
0, viewBounds.height(), mPath);
mPath.computeBounds(mPathBounds, true);
}

private void offsetIcon(Rect viewBounds) {
float startX = viewBounds.centerX() - (mPathBounds.width() / 2);
float offsetX = startX -mPathBounds.left;

float startY = viewBounds.centerY() - (mPathBounds.height() / 2);
float offsetY = startY - (mPathBounds.top);

mPath.offset(offsetX, offsetY);
}
}
37 changes: 21 additions & 16 deletions sample/res/layout/activity_simple_sample.xml
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Expand Up @@ -23,36 +23,41 @@
<Spinner
android:id="@+id/sp_icons"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="0.1" />

<com.atermenji.android.iconictextview.IconicTextView
android:id="@+id/itv_icon"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="0.8"
android:gravity="center_horizontal|top"
android:textSize="600sp" />

<TextView
android:layout_height="wrap_content"/>

<View
android:id="@+id/view_icon"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="0.7"/>

<CheckBox
android:id="@+id/cb_draw_stroke"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:checked="false"
android:text="Draw Stroke"/>

<TextView
android:id="@+id/tv_size"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:gravity="left"
android:textSize="20sp"
android:textStyle="bold" />
android:textStyle="bold"
android:visibility="visible"/>

<SeekBar
android:id="@+id/sb_size"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
android:layout_height="wrap_content"
android:visibility="visible"/>

<Button
android:id="@+id/bt_change_color"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="0.1"
android:layout_height="wrap_content"
android:text="Change color" />

</LinearLayout>
15 changes: 7 additions & 8 deletions sample/res/layout/list_item_iconic.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -28,13 +28,12 @@
android:layout_marginLeft="5dp"
android:textSize="20sp" />

<com.atermenji.android.iconictextview.IconicTextView
android:id="@+id/itv_icon"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:layout_marginRight="5dp"
android:textSize="50sp" />
<View
android:id="@+id/view_icon"
android:layout_width="35dp"
android:layout_height="35dp"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:layout_marginRight="5dp"/>

</RelativeLayout>
66 changes: 40 additions & 26 deletions sample/src/com/atermenji/android/iconictextview/sample/SimpleSampleActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -21,19 +21,13 @@

import android.app.Activity;
import android.os.Bundle;
import android.util.TypedValue;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.*;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.Spinner;
import android.widget.TextView;

import com.atermenji.android.iconictextview.IconicTextView;
import com.atermenji.android.iconictextview.IconicFontDrawable;
import com.atermenji.android.iconictextview.icon.EntypoIcon;
import com.atermenji.android.iconictextview.icon.EntypoSocialIcon;
import com.atermenji.android.iconictextview.icon.FontAwesomeIcon;
Expand All @@ -42,14 +36,17 @@

public class SimpleSampleActivity extends Activity {

private static final int ICON_SIZE_MAX = 500;
private static final int ICON_SIZE_DEFAULT = 300;
private static final int ICON_PADDING_MAX = 500;
private static final int ICON_CONTOUR_WIDTH = 10;

private IconicTextView mIconicTextView;
private View mIconButton;
private Spinner mIconsSpinner;
private SeekBar mSizeSeekBar;
private SeekBar mPaddingSeekBar;
private Button mChangeColorButton;
private TextView mCurSizeTextView;
private TextView mCurPaddingTextView;
private CheckBox mDrawContourCheckBox;

private IconicFontDrawable mIconicFontDrawable;

@Override
protected void onCreate(Bundle savedInstanceState) {
Expand All @@ -58,16 +55,20 @@ protected void onCreate(Bundle savedInstanceState) {
setTitle("Simple Sample");
setContentView(R.layout.activity_simple_sample);

mIconicTextView = (IconicTextView) findViewById(R.id.itv_icon);
mIconButton = findViewById(R.id.view_icon);
mIconsSpinner = (Spinner) findViewById(R.id.sp_icons);
mSizeSeekBar = (SeekBar) findViewById(R.id.sb_size);
mPaddingSeekBar = (SeekBar) findViewById(R.id.sb_size);
mChangeColorButton = (Button) findViewById(R.id.bt_change_color);
mCurSizeTextView = (TextView) findViewById(R.id.tv_size);
mCurPaddingTextView = (TextView) findViewById(R.id.tv_size);
mDrawContourCheckBox = (CheckBox) findViewById(R.id.cb_draw_stroke);

initSimpleSample();
}

private void initSimpleSample() {
mIconicFontDrawable = new IconicFontDrawable(this);
mIconButton.setBackground(mIconicFontDrawable);

List<Icon> icons = new ArrayList<Icon>();
icons.addAll(Arrays.asList(EntypoIcon.values()));
icons.addAll(Arrays.asList(EntypoSocialIcon.values()));
Expand All @@ -83,38 +84,51 @@ private void initSimpleSample() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
Icon icon = adapter.getItem(pos);
mIconicTextView.setIcon(icon);
mIconicFontDrawable.setIcon(icon);
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
}
});

mIconicTextView.setTextSize(TypedValue.COMPLEX_UNIT_SP, ICON_SIZE_DEFAULT);
mIconicTextView.setTextColor(Utils.randomColor());
mIconicFontDrawable.setIconColor(Utils.randomColor());

mCurSizeTextView.setText("Size: " + ICON_SIZE_DEFAULT);
mCurPaddingTextView.setText("Padding: " + 0);

mSizeSeekBar.setMax(ICON_SIZE_MAX);
mSizeSeekBar.setProgress(ICON_SIZE_DEFAULT);
mSizeSeekBar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
mPaddingSeekBar.setMax(ICON_PADDING_MAX);
mPaddingSeekBar.setProgress(0);
mPaddingSeekBar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
}

@Override
public void onStartTrackingTouch(SeekBar seekBar) {
}

@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
mIconicTextView.setTextSize(TypedValue.COMPLEX_UNIT_SP, progress);
mCurSizeTextView.setText("Size: " + progress);
mIconicFontDrawable.setIconPadding(progress);
mCurPaddingTextView.setText("Padding: " + progress);
}
});

mChangeColorButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
mIconicTextView.setTextColor(Utils.randomColor());
mIconicFontDrawable.setIconColor(Utils.randomColor());
mIconicFontDrawable.setContourColor(Utils.randomColor());
}
});

mDrawContourCheckBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (isChecked) {
mIconicFontDrawable.setContour(Utils.randomColor(), ICON_CONTOUR_WIDTH);
}

mIconicFontDrawable.drawContour(isChecked);
}
});
}
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