102 lines
2.9 KiB
C++
102 lines
2.9 KiB
C++
|
/*
|
||
|
|
* Copyright (C) 2008 The Android Open Source Project
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
* you may not use this file except in compliance with the License.
|
||
|
|
* You may obtain a copy of the License at
|
||
|
|
*
|
||
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
*
|
||
|
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
* See the License for the specific language governing permissions and
|
||
|
|
* limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <assert.h>
|
||
|
|
#include <sys/socket.h>
|
||
|
|
|
||
|
|
#include <core/SkCanvas.h>
|
||
|
|
#include <core/SkDevice.h>
|
||
|
|
#include <core/SkPaint.h>
|
||
|
|
#include <utils/SkGLCanvas.h>
|
||
|
|
#include "GraphicsJNI.h"
|
||
|
|
|
||
|
|
#include "jni.h"
|
||
|
|
#include <nativehelper/JNIHelp.h>
|
||
|
|
#include <android_runtime/AndroidRuntime.h>
|
||
|
|
#include <utils/misc.h>
|
||
|
|
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
namespace android {
|
||
|
|
|
||
|
|
static int gPrevDur;
|
||
|
|
|
||
|
|
static void android_view_ViewRoot_showFPS(JNIEnv* env, jobject, jobject jcanvas,
|
||
|
|
jint dur) {
|
||
|
|
NPE_CHECK_RETURN_VOID(env, jcanvas);
|
||
|
|
SkCanvas* canvas = GraphicsJNI::getNativeCanvas(env, jcanvas);
|
||
|
|
const SkBitmap& bm = canvas->getDevice()->accessBitmap(false);
|
||
|
|
int height = bm.height();
|
||
|
|
SkScalar bot = SkIntToScalar(height);
|
||
|
|
|
||
|
|
if (height < 200) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
SkMatrix m;
|
||
|
|
SkRect r;
|
||
|
|
SkPaint p;
|
||
|
|
char str[4];
|
||
|
|
|
||
|
|
dur = (gPrevDur + dur) >> 1;
|
||
|
|
gPrevDur = dur;
|
||
|
|
|
||
|
|
dur = 1000 / dur;
|
||
|
|
str[3] = (char)('0' + dur % 10); dur /= 10;
|
||
|
|
str[2] = (char)('0' + dur % 10); dur /= 10;
|
||
|
|
str[1] = (char)('0' + dur % 10); dur /= 10;
|
||
|
|
str[0] = (char)('0' + dur % 10);
|
||
|
|
|
||
|
|
m.reset();
|
||
|
|
r.set(0, bot-SkIntToScalar(10), SkIntToScalar(26), bot);
|
||
|
|
p.setAntiAlias(true);
|
||
|
|
p.setTextSize(SkIntToScalar(10));
|
||
|
|
|
||
|
|
canvas->save();
|
||
|
|
canvas->setMatrix(m);
|
||
|
|
canvas->clipRect(r, SkRegion::kReplace_Op);
|
||
|
|
p.setColor(SK_ColorWHITE);
|
||
|
|
canvas->drawPaint(p);
|
||
|
|
p.setColor(SK_ColorBLACK);
|
||
|
|
canvas->drawText(str, 4, SkIntToScalar(1), bot - SK_Scalar1, p);
|
||
|
|
canvas->restore();
|
||
|
|
}
|
||
|
|
|
||
|
|
static void android_view_ViewRoot_abandonGlCaches(JNIEnv* env, jobject) {
|
||
|
|
SkGLCanvas::AbandonAllTextures();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
const char* const kClassPathName = "android/view/ViewRoot";
|
||
|
|
|
||
|
|
static JNINativeMethod gMethods[] = {
|
||
|
|
{ "nativeShowFPS", "(Landroid/graphics/Canvas;I)V",
|
||
|
|
(void*)android_view_ViewRoot_showFPS },
|
||
|
|
{ "nativeAbandonGlCaches", "()V",
|
||
|
|
(void*)android_view_ViewRoot_abandonGlCaches }
|
||
|
|
};
|
||
|
|
|
||
|
|
int register_android_view_ViewRoot(JNIEnv* env) {
|
||
|
|
return AndroidRuntime::registerNativeMethods(env,
|
||
|
|
kClassPathName, gMethods, NELEM(gMethods));
|
||
|
|
}
|
||
|
|
|
||
|
|
};
|
||
|
|
|