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/*
* 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 "pluginGraphics.h"
#include "android_npapi.h"
#include <stdio.h>
#include <sys/time.h>
#include <time.h>
#include <math.h>
#include <string.h>
extern NPNetscapeFuncs* browser;
extern ANPLogInterfaceV0 gLogI;
extern ANPCanvasInterfaceV0 gCanvasI;
extern ANPPaintInterfaceV0 gPaintI;
extern ANPTypefaceInterfaceV0 gTypefaceI;
static void inval(NPP instance) {
browser->invalidaterect(instance, NULL);
}
static uint16 rnd16(float x, int inset) {
int ix = (int)roundf(x) + inset;
if (ix < 0) {
ix = 0;
}
return static_cast<uint16>(ix);
}
static void inval(NPP instance, const ANPRectF& r, bool doAA) {
const int inset = doAA ? -1 : 0;
PluginObject *obj = reinterpret_cast<PluginObject*>(instance->pdata);
NPRect inval;
inval.left = rnd16(r.left, inset);
inval.top = rnd16(r.top, inset);
inval.right = rnd16(r.right, -inset);
inval.bottom = rnd16(r.bottom, -inset);
browser->invalidaterect(instance, &inval);
}
uint32_t getMSecs() {
struct timeval tv;
gettimeofday(&tv, NULL);
return (uint32_t) (tv.tv_sec * 1000 + tv.tv_usec / 1000 ); // microseconds to milliseconds
}
///////////////////////////////////////////////////////////////////////////////
class BallAnimation : public Animation {
public:
BallAnimation(NPP inst);
virtual ~BallAnimation();
virtual void draw(ANPCanvas*);
private:
float m_x;
float m_y;
float m_dx;
float m_dy;
ANPRectF m_oval;
ANPPaint* m_paint;
static const float SCALE = 0.1;
};
BallAnimation::BallAnimation(NPP inst) : Animation(inst) {
m_x = m_y = 0;
m_dx = 7 * SCALE;
m_dy = 5 * SCALE;
memset(&m_oval, 0, sizeof(m_oval));
m_paint = gPaintI.newPaint();
gPaintI.setFlags(m_paint, gPaintI.getFlags(m_paint) | kAntiAlias_ANPPaintFlag);
gPaintI.setColor(m_paint, 0xFFFF0000);
gPaintI.setTextSize(m_paint, 24);
ANPTypeface* tf = gTypefaceI.createFromName("serif", kItalic_ANPTypefaceStyle);
gPaintI.setTypeface(m_paint, tf);
gTypefaceI.unref(tf);
}
BallAnimation::~BallAnimation() {
gPaintI.deletePaint(m_paint);
}
static void bounce(float* x, float* dx, const float max) {
*x += *dx;
if (*x < 0) {
*x = 0;
if (*dx < 0) {
*dx = -*dx;
}
} else if (*x > max) {
*x = max;
if (*dx > 0) {
*dx = -*dx;
}
}
}
void BallAnimation::draw(ANPCanvas* canvas) {
NPP instance = this->inst();
PluginObject *obj = (PluginObject*) instance->pdata;
const float OW = 20;
const float OH = 20;
inval(instance, m_oval, true); // inval the old
m_oval.left = m_x;
m_oval.top = m_y;
m_oval.right = m_x + OW;
m_oval.bottom = m_y + OH;
inval(instance, m_oval, true); // inval the new
gCanvasI.drawColor(canvas, 0xFFFFFFFF);
gPaintI.setColor(m_paint, 0xFFFF0000);
gCanvasI.drawOval(canvas, &m_oval, m_paint);
bounce(&m_x, &m_dx, obj->window->width - OW);
bounce(&m_y, &m_dy, obj->window->height - OH);
if (obj->mUnichar) {
gPaintI.setColor(m_paint, 0xFF0000FF);
char c = static_cast<char>(obj->mUnichar);
gCanvasI.drawText(canvas, &c, 1, 10, 30, m_paint);
}
}
///////////////////////////////////////////////////////////////////////////////
void drawPlugin(NPP instance, const ANPBitmap& bitmap, const ANPRectI& clip) {
ANPCanvas* canvas = gCanvasI.newCanvas(&bitmap);
ANPRectF clipR;
clipR.left = clip.left;
clipR.top = clip.top;
clipR.right = clip.right;
clipR.bottom = clip.bottom;
gCanvasI.clipRect(canvas, &clipR);
drawPlugin(instance, canvas);
gCanvasI.deleteCanvas(canvas);
}
void drawPlugin(NPP instance, ANPCanvas* canvas) {
PluginObject *obj = (PluginObject*) instance->pdata;
if (obj->anim == NULL) {
obj->anim = new BallAnimation(instance);
}
obj->anim->draw(canvas);
}
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