fenix/Simple-Draw
1
0
Fork 0
mirror of https://github.com/SimpleMobileTools/Simple-Draw.git synced 2025-04-03 05:11:19 +02:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #42 from LonamiWebs/master

Browse Source 
Allow saving to svg
This commit is contained in:
Tibor Kaputa 2017-01-20 18:49:40 +01:00 committed by GitHub
commit 6e7b73b681
9 changed files with 258 additions and 80 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
app/src/main/java/com/simplemobiletools/draw/MyCanvas.java
View File

@ -94,6 +94,10 @@ public class MyCanvas extends View {
return bitmap;
}
public Map<MyPath,PaintOptions> getPaths() {
return mPaths;
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);

56
app/src/main/java/com/simplemobiletools/draw/MyPath.java
View File

@ -2,6 +2,11 @@ package com.simplemobiletools.draw;
import android.graphics.Path;
import com.simplemobiletools.draw.actions.Action;
import com.simplemobiletools.draw.actions.Line;
import com.simplemobiletools.draw.actions.Move;
import com.simplemobiletools.draw.actions.Quad;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.Serializable;
@ -45,54 +50,7 @@ class MyPath extends Path implements Serializable {
super.quadTo(x1, y1, x2, y2);
}
private interface Action extends Serializable {
void perform(Path path);
}
private static final class Move implements Action {
private final float x, y;
Move(float x, float y) {
this.x = x;
this.y = y;
}
@Override
public void perform(Path path) {
path.moveTo(x, y);
}
}
private static final class Line implements Action {
private final float x, y;
Line(float x, float y) {
this.x = x;
this.y = y;
}
@Override
public void perform(Path path) {
path.lineTo(x, y);
}
}
private static final class Quad implements Action {
private final float x1, y1, x2, y2;
private Quad(float x1, float y1, float x2, float y2) {
this.x1 = x1;
this.y1 = y1;
this.x2 = x2;
this.y2 = y2;
}
@Override
public void perform(Path path) {
path.quadTo(x1, y1, x2, y2);
}
List<Action> getActions() {
return actions;
}
}

69
app/src/main/java/com/simplemobiletools/draw/Svg.java Normal file
View File

@ -0,0 +1,69 @@
package com.simplemobiletools.draw;
import android.graphics.drawable.ColorDrawable;
import com.simplemobiletools.draw.actions.Action;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.Map;
public class Svg {
public static void saveSvg(File output, MyCanvas canvas)
throws Exception {
// This might throw ClassCastException
int backgroundColor = ((ColorDrawable) canvas.getBackground()).getColor();
// This might throw IOException
FileOutputStream out = new FileOutputStream(output);
BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(out));
writeSvg(writer, backgroundColor, canvas.getPaths(), canvas.getWidth(), canvas.getHeight());
writer.close();
}
private static void writeSvg(Writer writer, int backgroundColor,
Map<MyPath, PaintOptions> paths, int width, int height)
throws IOException {
writer.write("<svg width=\"");
writer.write(String.valueOf(width));
writer.write("\" height=\"");
writer.write(String.valueOf(height));
writer.write("\" xmlns=\"http://www.w3.org/2000/svg\">");
// Background color (use a rect)
writer.write("<rect width=\"");
writer.write(String.valueOf(width));
writer.write("\" height=\"");
writer.write(String.valueOf(height));
writer.write("\" fill=\"#");
writer.write(Integer.toHexString(backgroundColor).substring(2)); // Skip the alpha FF
writer.write("\"/>");
// Write the paths
for (Map.Entry<MyPath, PaintOptions> entry : paths.entrySet()) {
writePath(writer, entry.getKey(), entry.getValue());
}
writer.write("</svg>");
}
private static void writePath(Writer writer, MyPath path, PaintOptions options)
throws IOException {
writer.write("<path d=\"");
for (Action action : path.getActions()) {
action.perform(writer);
writer.write(' ');
}
writer.write("\" fill=\"none\" stroke=\"#");
writer.write(Integer.toHexString(options.color).substring(2)); // Skip the alpha FF
writer.write("\" stroke-width=\"");
writer.write(String.valueOf(options.strokeWidth));
writer.write("\" stroke-linecap=\"round\"/>");
}
}

12
app/src/main/java/com/simplemobiletools/draw/actions/Action.java Normal file
View File

@ -0,0 +1,12 @@
package com.simplemobiletools.draw.actions;
import android.graphics.Path;
import java.io.IOException;
import java.io.Serializable;
import java.io.Writer;
public interface Action extends Serializable {
void perform(Path path);
void perform(Writer writer) throws IOException;
}

29
app/src/main/java/com/simplemobiletools/draw/actions/Line.java Normal file
View File

@ -0,0 +1,29 @@
package com.simplemobiletools.draw.actions;
import android.graphics.Path;
import java.io.IOException;
import java.io.Writer;
public final class Line implements Action {
private final float x, y;
public Line(float x, float y) {
this.x = x;
this.y = y;
}
@Override
public void perform(Path path) {
path.lineTo(x, y);
}
@Override
public void perform(Writer writer) throws IOException {
writer.write("L");
writer.write(String.valueOf(x));
writer.write(",");
writer.write(String.valueOf(y));
}
}

30
app/src/main/java/com/simplemobiletools/draw/actions/Move.java Normal file
View File

@ -0,0 +1,30 @@
package com.simplemobiletools.draw.actions;
import android.graphics.Path;
import java.io.IOException;
import java.io.Writer;
public final class Move implements Action {
private final float x, y;
public Move(float x, float y) {
this.x = x;
this.y = y;
}
@Override
public void perform(Path path) {
path.moveTo(x, y);
}
@Override
public void perform(Writer writer) throws IOException {
writer.write('M');
writer.write(String.valueOf(x));
writer.write(',');
writer.write(String.valueOf(y));
}
}

35
app/src/main/java/com/simplemobiletools/draw/actions/Quad.java Normal file
View File

@ -0,0 +1,35 @@
package com.simplemobiletools.draw.actions;
import android.graphics.Path;
import java.io.IOException;
import java.io.Writer;
public final class Quad implements Action {
private final float x1, y1, x2, y2;
public Quad(float x1, float y1, float x2, float y2) {
this.x1 = x1;
this.y1 = y1;
this.x2 = x2;
this.y2 = y2;
}
@Override
public void perform(Path path) {
path.quadTo(x1, y1, x2, y2);
}
@Override
public void perform(Writer writer) throws IOException {
writer.write('Q');
writer.write(String.valueOf(x1));
writer.write(',');
writer.write(String.valueOf(y1));
writer.write(' ');
writer.write(String.valueOf(x2));
writer.write(',');
writer.write(String.valueOf(y2));
}
}

73
app/src/main/java/com/simplemobiletools/draw/activities/MainActivity.java
View File

@ -19,12 +19,14 @@ import android.view.MenuItem;
import android.view.View;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.RadioGroup;
import android.widget.SeekBar;
import android.widget.Toast;
import com.simplemobiletools.draw.Config;
import com.simplemobiletools.draw.MyCanvas;
import com.simplemobiletools.draw.R;
import com.simplemobiletools.draw.Svg;
import com.simplemobiletools.draw.Utils;
import java.io.ByteArrayOutputStream;
@ -50,6 +52,7 @@ public class MainActivity extends SimpleActivity implements MyCanvas.PathsChange
@BindView(R.id.stroke_width_bar) SeekBar mStrokeWidthBar;
private String curFileName;
private int curExtensionId;
private int color;
private float strokeWidth;
@ -163,6 +166,11 @@ public class MainActivity extends SimpleActivity implements MyCanvas.PathsChange
final EditText fileNameET = (EditText) saveFileView.findViewById(R.id.file_name);
fileNameET.setText(curFileName);
final RadioGroup fileExtensionRG = (RadioGroup) saveFileView.findViewById(R.id.extension_radio_group);
if (curExtensionId != 0) {
fileExtensionRG.check(curExtensionId);
}
builder.setView(saveFileView);
builder.setPositiveButton(R.string.ok, null);
@ -174,10 +182,18 @@ public class MainActivity extends SimpleActivity implements MyCanvas.PathsChange
@Override
public void onClick(View v) {
final String fileName = fileNameET.getText().toString().trim();
if (!fileName.isEmpty()) {
if (saveFile(fileName + ".png")) {
final String extension;
switch (fileExtensionRG.getCheckedRadioButtonId()) {
default:
case R.id.extension_radio_png: extension = ".png"; break;
case R.id.extension_radio_svg: extension = ".svg"; break;
}
if (saveFile(fileName, extension)) {
curFileName = fileName;
curExtensionId = fileExtensionRG.getCheckedRadioButtonId();
Utils.showToast(getApplicationContext(), R.string.saving_ok);
alertDialog.dismiss();
} else {
@ -190,7 +206,7 @@ public class MainActivity extends SimpleActivity implements MyCanvas.PathsChange
});
}
private boolean saveFile(final String fileName) {
private boolean saveFile(final String fileName, final String extension) {
final String path = Environment.getExternalStorageDirectory().toString();
final File directory = new File(path, SAVE_FOLDER_NAME);
if (!directory.exists()) {
@ -199,24 +215,41 @@ public class MainActivity extends SimpleActivity implements MyCanvas.PathsChange
}
}
final Bitmap bitmap = mMyCanvas.getBitmap();
FileOutputStream out = null;
try {
final File file = new File(directory, fileName);
out = new FileOutputStream(file);
bitmap.compress(Bitmap.CompressFormat.PNG, 100, out);
MediaScannerConnection.scanFile(getApplicationContext(), new String[]{file.getAbsolutePath()}, null, null);
} catch (Exception e) {
Log.e(TAG, "MainActivity SaveFile " + e.getMessage());
return false;
} finally {
try {
if (out != null) {
out.close();
final File file = new File(directory, fileName+extension);
switch (extension) {
case ".png":
final Bitmap bitmap = mMyCanvas.getBitmap();
FileOutputStream out = null;
try {
out = new FileOutputStream(file);
bitmap.compress(Bitmap.CompressFormat.PNG, 100, out);
MediaScannerConnection.scanFile(getApplicationContext(),
new String[]{file.getAbsolutePath()}, null, null);
} catch (Exception e) {
Log.e(TAG, "MainActivity SaveFile (.png) " + e.getMessage());
return false;
} finally {
try {
if (out != null) {
out.close();
}
} catch (IOException e) {
Log.e(TAG, "MainActivity SaveFile (.png) 2 " + e.getMessage());
}
}
} catch (IOException e) {
Log.e(TAG, "MainActivity SaveFile 2 " + e.getMessage());
}
break;
case ".svg":
try {
Svg.saveSvg(file, mMyCanvas);
} catch (Exception e) {
Log.e(TAG, "MainActivity SaveFile (.svg) " + e.getMessage());
return false;
}
break;
default:
return false;
}
return true;

30
app/src/main/res/layout/save_file.xml
View File

@ -17,18 +17,26 @@
android:layout_height="wrap_content"
android:layout_below="@+id/file_name_label"
android:layout_marginBottom="@dimen/activity_margin"
android:layout_toLeftOf="@+id/file_extension"
android:singleLine="true"/>
<TextView
android:id="@+id/file_extension"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_alignBottom="@+id/file_name"
android:layout_alignParentRight="true"
android:layout_alignTop="@+id/file_name"
android:layout_below="@+id/file_name_label"
android:gravity="center_vertical"
android:text=".png"/>
<RadioGroup
android:id="@+id/extension_radio_group"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/file_name"
android:checkedButton="@+id/extension_radio_png">
<RadioButton
android:id="@+id/extension_radio_png"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text=".png"/>
<RadioButton
android:id="@+id/extension_radio_svg"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text=".svg"/>
</RadioGroup>
</RelativeLayout>