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/*
* Copyright 2008, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#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) {
ANPFontMetrics fm;
gPaintI.getFontMetrics(m_paint, &fm);
gPaintI.setColor(m_paint, 0xFF0000FF);
char c = static_cast<char>(obj->mUnichar);
gCanvasI.drawText(canvas, &c, 1, 10, -fm.fTop, 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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