1 /*
2 * Copyright 2010, The Android Open Source Project
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25 #include "AnimationThread.h"
26
27 #include <utils/SystemClock.h>
28 #include "ANPNativeWindow_npapi.h"
29
30 extern ANPLogInterfaceV0 gLogI;
31 extern ANPNativeWindowInterfaceV0 gNativeWindowI;
32
AnimationThread(NPP npp)33 AnimationThread::AnimationThread(NPP npp) : RenderingThread(npp) {
34 m_counter = 0;
35 m_lastPrintTime = android::uptimeMillis();
36 m_executionTime = 0;
37 m_idleTime = 0;
38
39 m_x = m_y = 0;
40 m_dx = 0;
41 m_dy = 0;
42
43 memset(&m_oval, 0, sizeof(m_oval));
44
45 m_paint = new SkPaint;
46 m_paint->setAntiAlias(true);
47
48 m_bitmap = constructBitmap(0, 0);
49 m_canvas = new SkCanvas(*m_bitmap);
50
51 m_startExecutionTime = 0;
52 m_startTime = android::uptimeMillis();
53 m_stallTime = android::uptimeMillis();
54
55 }
56
~AnimationThread()57 AnimationThread::~AnimationThread() {
58 delete m_paint;
59 delete m_canvas;
60 delete m_bitmap;
61 }
62
constructBitmap(int width,int height)63 SkBitmap* AnimationThread::constructBitmap(int width, int height) {
64 SkBitmap* bitmap = new SkBitmap;
65 bitmap->setConfig(SkBitmap::kARGB_8888_Config, width, height);
66 bitmap->allocPixels();
67 bitmap->eraseColor(0x00000000);
68 return bitmap;
69 }
70
bounce(float * x,float * dx,const float max)71 static void bounce(float* x, float* dx, const float max) {
72 *x += *dx;
73 if (*x < 0) {
74 *x = 0;
75 if (*dx < 0) {
76 *dx = -*dx;
77 }
78 } else if (*x > max) {
79 *x = max;
80 if (*dx > 0) {
81 *dx = -*dx;
82 }
83 }
84 }
85
threadLoop()86 bool AnimationThread::threadLoop() {
87 if (android::uptimeMillis() - m_stallTime < MS_PER_FRAME)
88 return true;
89 m_stallTime = android::uptimeMillis();
90
91 m_idleTime += android::uptimeMillis() - m_startIdleTime;
92 m_startExecutionTime = android::uptimeMillis();
93
94 bool reCreateFlag = false;
95 int width, height;
96 getDimensions(width, height);
97
98 if (m_bitmap->width() != width || m_bitmap->height() != height) {
99 delete m_canvas;
100 delete m_bitmap;
101 m_bitmap = constructBitmap(width, height);
102 m_canvas = new SkCanvas(*m_bitmap);
103
104 // change the ball's speed to match the size
105 m_dx = width * .005f;
106 m_dy = height * .007f;
107 reCreateFlag = true;
108 }
109
110 // setup variables
111 const float OW = width * .125f;
112 const float OH = height * .125f;
113
114 // clear the old oval
115 m_bitmap->eraseColor(0x880000FF);
116
117 // update the coordinates of the oval
118 bounce(&m_x, &m_dx, width - OW);
119 bounce(&m_y, &m_dy, height - OH);
120
121 // draw the new oval
122 m_oval.fLeft = m_x;
123 m_oval.fTop = m_y;
124 m_oval.fRight = m_x + OW;
125 m_oval.fBottom = m_y + OH;
126 m_paint->setColor(0xAAFF0000);
127 m_canvas->drawOval(m_oval, *m_paint);
128
129 if (!reCreateFlag) {
130 updateNativeWindow(m_ANW, *m_bitmap);
131 } else {
132 setupNativeWindow(m_ANW, *m_bitmap);
133 }
134
135 m_executionTime += android::uptimeMillis() - m_startExecutionTime;
136 m_counter++;
137
138 if (android::uptimeMillis() - m_lastPrintTime > 5000) {
139 float fps = m_counter / ((android::uptimeMillis() - m_startTime) / 1000);
140 float spf = ((android::uptimeMillis() - m_startTime)) / m_counter;
141 float lpf = (m_idleTime) / m_counter;
142 float exe = (m_executionTime) / m_counter;
143 gLogI.log(kError_ANPLogType, "TEXT: counter(%d) fps(%f) spf(%f) lock(%f) execution(%f)\n", (int)m_counter, fps, spf, lpf, exe);
144 m_lastPrintTime = android::uptimeMillis();
145
146 m_counter = 0;
147 m_executionTime = 0;
148 m_idleTime = 0;
149 m_startExecutionTime = 0;
150 m_startTime = android::uptimeMillis();
151 }
152
153 m_startIdleTime = android::uptimeMillis(); // count delay between frames
154 return true;
155 }
156