Examples with Shader android.graphics.Shader used on opensource projects

Example 1 with Shader

use of android.graphics.Shader in project UltimateAndroid by cymcsg.

the class HomeDiagram method drawBrokenLine.

/**
	 * 绘制折线
	 * 
	 * @param c
	 */
public void drawBrokenLine(Canvas c) {
    int index = 0;
    float temp_x = 0;
    float temp_y = 0;
    float base = (getHeight() - tb * 3.0f) / (Collections.max(milliliter) - Collections.min(milliliter));
    Shader mShader = new LinearGradient(0, 0, 0, getHeight(), new int[] { Color.argb(100, 0, 255, 255), Color.argb(45, 0, 255, 255), Color.argb(10, 0, 255, 255) }, null, Shader.TileMode.CLAMP);
    framPanint.setShader(mShader);
    for (int i = 0; i < milliliter.size() - 1; i++) {
        float x1 = interval_left_right * i;
        float y1 = getHeight() - tb * 1.5f - (base * milliliter.get(i));
        float x2 = interval_left_right * (i + 1);
        float y2 = getHeight() - tb * 1.5f - (base * milliliter.get(i + 1));
        if ((int) (base * milliliter.get(i + 1)) == 0 && index == 0) {
            index++;
            temp_x = x1;
            temp_y = y1;
        }
        if ((int) (base * milliliter.get(i + 1)) != 0 && index != 0) {
            index = 0;
            x1 = temp_x;
            y1 = temp_y;
        }
        if (index == 0) {
            c.drawLine(x1, y1, x2, y2, paint_brokenLine);
            path.lineTo(x1, y1);
            if (i != 0)
                c.drawBitmap(bitmap_point, x1 - bitmap_point.getWidth() / 2, y1 - bitmap_point.getHeight() / 2, null);
            if (i == milliliter.size() - 2) {
                path.lineTo(x2, y2);
                path.lineTo(x2, getHeight());
                path.lineTo(0, getHeight());
                path.close();
                c.drawPath(path, framPanint);
                c.drawBitmap(bitmap_point, x2 - bitmap_point.getWidth() / 2, y2 - bitmap_point.getHeight() / 2, null);
            }
        }
    }
    paint_dottedline.setColor(orangeLineColor);
    Path path = new Path();
    path.moveTo(0, getHeight() - tb * 6.5f);
    path.lineTo(getWidth(), getHeight() - tb * 6.5f);
    PathEffect effects = new DashPathEffect(new float[] { tb * 0.3f, tb * 0.3f, tb * 0.3f, tb * 0.3f }, tb * 0.1f);
    paint_dottedline.setPathEffect(effects);
    c.drawPath(path, paint_dottedline);
}

Example 2 with Shader

use of android.graphics.Shader in project android_frameworks_base by ResurrectionRemix.

the class BitmapDrawable method draw.

@Override
public void draw(Canvas canvas) {
    final Bitmap bitmap = mBitmapState.mBitmap;
    if (bitmap == null) {
        return;
    }
    final BitmapState state = mBitmapState;
    final Paint paint = state.mPaint;
    if (state.mRebuildShader) {
        final Shader.TileMode tmx = state.mTileModeX;
        final Shader.TileMode tmy = state.mTileModeY;
        if (tmx == null && tmy == null) {
            paint.setShader(null);
        } else {
            paint.setShader(new BitmapShader(bitmap, tmx == null ? Shader.TileMode.CLAMP : tmx, tmy == null ? Shader.TileMode.CLAMP : tmy));
        }
        state.mRebuildShader = false;
    }
    final int restoreAlpha;
    if (state.mBaseAlpha != 1.0f) {
        final Paint p = getPaint();
        restoreAlpha = p.getAlpha();
        p.setAlpha((int) (restoreAlpha * state.mBaseAlpha + 0.5f));
    } else {
        restoreAlpha = -1;
    }
    final boolean clearColorFilter;
    if (mTintFilter != null && paint.getColorFilter() == null) {
        paint.setColorFilter(mTintFilter);
        clearColorFilter = true;
    } else {
        clearColorFilter = false;
    }
    updateDstRectAndInsetsIfDirty();
    final Shader shader = paint.getShader();
    final boolean needMirroring = needMirroring();
    if (shader == null) {
        if (needMirroring) {
            canvas.save();
            // Mirror the bitmap
            canvas.translate(mDstRect.right - mDstRect.left, 0);
            canvas.scale(-1.0f, 1.0f);
        }
        canvas.drawBitmap(bitmap, null, mDstRect, paint);
        if (needMirroring) {
            canvas.restore();
        }
    } else {
        updateShaderMatrix(bitmap, paint, shader, needMirroring);
        canvas.drawRect(mDstRect, paint);
    }
    if (clearColorFilter) {
        paint.setColorFilter(null);
    }
    if (restoreAlpha >= 0) {
        paint.setAlpha(restoreAlpha);
    }
}

Example 3 with Shader

use of android.graphics.Shader in project android_frameworks_base by ResurrectionRemix.

the class BitmapDrawable method onBoundsChange.

@Override
protected void onBoundsChange(Rect bounds) {
    mDstRectAndInsetsDirty = true;
    final Bitmap bitmap = mBitmapState.mBitmap;
    final Shader shader = mBitmapState.mPaint.getShader();
    if (bitmap != null && shader != null) {
        updateShaderMatrix(bitmap, mBitmapState.mPaint, shader, needMirroring());
    }
}

Example 4 with Shader

use of android.graphics.Shader in project android_frameworks_base by ParanoidAndroid.

the class GLES20Canvas method setupModifiers.

private int setupModifiers(Paint paint, int flags) {
    int modifiers = MODIFIER_NONE;
    if (paint.hasShadow && (flags & MODIFIER_SHADOW) != 0) {
        nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, paint.shadowColor);
        modifiers |= MODIFIER_SHADOW;
    }
    final Shader shader = paint.getShader();
    if (shader != null && (flags & MODIFIER_SHADER) != 0) {
        nSetupShader(mRenderer, shader.native_shader);
        modifiers |= MODIFIER_SHADER;
    }
    final ColorFilter filter = paint.getColorFilter();
    if (filter != null && (flags & MODIFIER_COLOR_FILTER) != 0) {
        nSetupColorFilter(mRenderer, filter.nativeColorFilter);
        modifiers |= MODIFIER_COLOR_FILTER;
    }
    return modifiers;
}

Example 5 with Shader

use of android.graphics.Shader in project android_frameworks_base by ParanoidAndroid.

the class GLES20Canvas method setupModifiers.

private int setupModifiers(Paint paint) {
    int modifiers = MODIFIER_NONE;
    if (paint.hasShadow) {
        nSetupShadow(mRenderer, paint.shadowRadius, paint.shadowDx, paint.shadowDy, paint.shadowColor);
        modifiers |= MODIFIER_SHADOW;
    }
    final Shader shader = paint.getShader();
    if (shader != null) {
        nSetupShader(mRenderer, shader.native_shader);
        modifiers |= MODIFIER_SHADER;
    }
    final ColorFilter filter = paint.getColorFilter();
    if (filter != null) {
        nSetupColorFilter(mRenderer, filter.nativeColorFilter);
        modifiers |= MODIFIER_COLOR_FILTER;
    }
    return modifiers;
}