Skip to content

icon #1

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
dosrose wants to merge 2 commits into
base: master
Choose a base branch
from
Open

icon #1

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
c3c74a7
图标
dosrose Mar 1, 2016
2938f63
图标
dosrose Mar 1, 2016
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
87 changes: 59 additions & 28 deletions app/src/main/java/com/sanfriend/launcher4/Utilities.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -82,7 +82,8 @@ public final class Utilities {
sCanvas.setDrawFilter(new PaintFlagsDrawFilter(Paint.DITHER_FLAG,
Paint.FILTER_BITMAP_FLAG));
}
static int sColors[] = { 0xffff0000, 0xff00ff00, 0xff0000ff };

static int sColors[] = {0xffff0000, 0xff00ff00, 0xff0000ff};
static int sColorIndex = 0;

private static final int[] sLoc0 = new int[2];
Expand Down Expand Up @@ -170,7 +171,7 @@ public static Bitmap createIconBitmap(Cursor c, int iconIndex, Context context)
* exist, it returns null.
*/
public static Bitmap createIconBitmap(String packageName, String resourceName,
Context context) {
Context context) {
PackageManager packageManager = context.getPackageManager();
// the resource
try {
Expand Down Expand Up @@ -207,6 +208,7 @@ public static Bitmap createIconBitmap(Bitmap icon, Context context) {
*/
public static Bitmap createIconBitmap(Drawable icon, Context context) {
synchronized (sCanvas) {

final int iconBitmapSize = getIconBitmapSize();

int width = iconBitmapSize;
Expand Down Expand Up @@ -236,31 +238,56 @@ public static Bitmap createIconBitmap(Drawable icon, Context context) {
}
}

// 图标缩小
int rsc = 65;
width = width * rsc / 100;
height = height * rsc / 100;

// no intrinsic size --> use default size
int textureWidth = iconBitmapSize;
int textureHeight = iconBitmapSize;

final Bitmap bitmap = Bitmap.createBitmap(textureWidth, textureHeight,
Bitmap.Config.ARGB_8888);

final Canvas canvas = sCanvas;
canvas.setBitmap(bitmap);

final int left = (textureWidth-width) / 2;
final int top = (textureHeight-height) / 2;
final int left = (textureWidth - width) / 2;
final int top = (textureHeight - height) / 2;

@SuppressWarnings("all") // suppress dead code warning
final boolean debug = false;
// debug 画背景色
final boolean debug = true;
if (debug) {
// draw a big box for the icon for debugging
canvas.drawColor(sColors[sColorIndex]);
if (++sColorIndex >= sColors.length) sColorIndex = 0;
canvas.drawColor(0x0000000);// 区域背景透明
//canvas.drawColor(sColors[sColorIndex]);
//if (++sColorIndex >= sColors.length) sColorIndex = 0;
Paint debugPaint = new Paint();
debugPaint.setColor(0xffcccc00);
canvas.drawRect(left, top, left+width, top+height, debugPaint);
debugPaint.setColor(0xffaabb00);// 图标背景颜色
//canvas.drawRect(left, top, left + width, top + height, debugPaint);
float radius = 20f;
canvas.drawRoundRect(radius, radius, iconBitmapSize - radius, iconBitmapSize - radius, radius, radius, debugPaint);
}

// 画一个背景
/*
Bitmap backBitmap = BitmapFactory.decodeResource(context.getResources(),
R.drawable.apical_icon_bg);
int backWidth = backBitmap.getWidth();
int backHeight = backBitmap.getHeight();
if(backWidth != sIconWidth || backHeight != sIconHeight) {
Matrix matrix = new Matrix();
matrix.postScale((float) sIconWidth / backWidth, (float) sIconHeight / backHeight);
canvas.drawBitmap(Bitmap.createBitmap(backBitmap, 0, 0, backWidth, backHeight, matrix, true),
0.0f, 0.0f, null);
}
*/

sOldBounds.set(icon.getBounds());
icon.setBounds(left, top, left+width, top+height);
icon.setBounds(left, top, left + width, top + height);
//icon.setBounds(0, 0, iconBitmapSize, iconBitmapSize);
icon.draw(canvas);
icon.setBounds(sOldBounds);
canvas.setBitmap(null);
Expand All @@ -273,14 +300,14 @@ public static Bitmap createIconBitmap(Drawable icon, Context context) {
* Given a coordinate relative to the descendant, find the coordinate in a parent view's
* coordinates.
*
* @param descendant The descendant to which the passed coordinate is relative.
* @param root The root view to make the coordinates relative to.
* @param coord The coordinate that we want mapped.
* @param descendant The descendant to which the passed coordinate is relative.
* @param root The root view to make the coordinates relative to.
* @param coord The coordinate that we want mapped.
* @param includeRootScroll Whether or not to account for the scroll of the descendant:
* sometimes this is relevant as in a child's coordinates within the descendant.
* sometimes this is relevant as in a child's coordinates within the descendant.
* @return The factor by which this descendant is scaled relative to this DragLayer. Caution
* this scale factor is assumed to be equal in X and Y, and so if at any point this
* assumption fails, we will need to return a pair of scale factors.
* this scale factor is assumed to be equal in X and Y, and so if at any point this
* assumption fails, we will need to return a pair of scale factors.
*/
public static float getDescendantCoordRelativeToParent(View descendant, View root,
int[] coord, boolean includeRootScroll) {
Expand All @@ -289,7 +316,7 @@ public static float getDescendantCoordRelativeToParent(View descendant, View roo
float[] pt = {coord[0], coord[1]};

View v = descendant;
while(v != root && v != null) {
while (v != root && v != null) {
ancestorChain.add(v);
v = (View) v.getParent();
}
Expand Down Expand Up @@ -318,7 +345,7 @@ public static float getDescendantCoordRelativeToParent(View descendant, View roo
}

/**
* Inverse of {@link #getDescendantCoordRelativeToSelf(View, int[])}.
* Inverse of {@link # getDescendantCoordRelativeToSelf(View, int[])}.
*/
public static float mapCoordInSelfToDescendent(View descendant, View root,
int[] coord) {
Expand All @@ -327,7 +354,7 @@ public static float mapCoordInSelfToDescendent(View descendant, View root,
float[] pt = {coord[0], coord[1]};

View v = descendant;
while(v != root) {
while (v != root) {
ancestorChain.add(v);
v = (View) v.getParent();
}
Expand All @@ -338,7 +365,7 @@ public static float mapCoordInSelfToDescendent(View descendant, View root,
int count = ancestorChain.size();
for (int i = count - 1; i >= 0; i--) {
View ancestor = ancestorChain.get(i);
View next = i > 0 ? ancestorChain.get(i-1) : null;
View next = i > 0 ? ancestorChain.get(i - 1) : null;

pt[0] += ancestor.getScrollX();
pt[1] += ancestor.getScrollY();
Expand Down Expand Up @@ -445,7 +472,8 @@ static boolean isSystemApp(Context context, Intent intent) {

/**
* This picks a dominant color, looking for high-saturation, high-value, repeated hues.
* @param bitmap The bitmap to scan
*
* @param bitmap The bitmap to scan
* @param samples The approximate max number of samples to use.
*/
static int findDominantColorByHue(Bitmap bitmap, int samples) {
Expand Down Expand Up @@ -610,18 +638,18 @@ public static byte[] flattenBitmap(Bitmap bitmap) {
* Find the first vacant cell, if there is one.
*
* @param vacant Holds the x and y coordinate of the vacant cell
* @param spanX Horizontal cell span.
* @param spanY Vertical cell span.
*
* @param spanX Horizontal cell span.
* @param spanY Vertical cell span.
* @return true if a vacant cell was found
*/
public static boolean findVacantCell(int[] vacant, int spanX, int spanY,
int xCount, int yCount, boolean[][] occupied) {
int xCount, int yCount, boolean[][] occupied) {

for (int y = 0; (y + spanY) <= yCount; y++) {
for (int x = 0; (x + spanX) <= xCount; x++) {
boolean available = !occupied[x][y];
out: for (int i = x; i < x + spanX; i++) {
out:
for (int i = x; i < x + spanX; i++) {
for (int j = y; j < y + spanY; j++) {
available = available && !occupied[i][j];
if (!available) break out;
Expand Down Expand Up @@ -718,18 +746,21 @@ public static boolean isLauncherAppTarget(Intent launchIntent) {
Set<String> keys = extras.keySet();
return keys.size() == 1 && keys.contains(ItemInfo.EXTRA_PROFILE);
}
};
}
;
return false;
}

public static float dpiFromPx(int size, DisplayMetrics metrics){
public static float dpiFromPx(int size, DisplayMetrics metrics) {
float densityRatio = (float) metrics.densityDpi / DisplayMetrics.DENSITY_DEFAULT;
return (size / densityRatio);
}

public static int pxFromDp(float size, DisplayMetrics metrics) {
return (int) Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
size, metrics));
}

public static int pxFromSp(float size, DisplayMetrics metrics) {
return (int) Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP,
size, metrics));
Expand Down