Restructuring the sample plugin and adding more tests.
This commit is contained in:
Derek Sollenberger
214
samples/BrowserPlugin/jni/animation/AnimationPlugin.cpp
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214
samples/BrowserPlugin/jni/animation/AnimationPlugin.cpp
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/*
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* Copyright 2008, The Android Open Source Project
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "AnimationPlugin.h"
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#include <stdio.h>
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#include <sys/time.h>
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#include <time.h>
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#include <math.h>
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#include <string.h>
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extern NPNetscapeFuncs* browser;
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extern ANPLogInterfaceV0 gLogI;
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extern ANPCanvasInterfaceV0 gCanvasI;
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extern ANPPaintInterfaceV0 gPaintI;
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extern ANPPathInterfaceV0 gPathI;
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extern ANPTypefaceInterfaceV0 gTypefaceI;
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static void inval(NPP instance) {
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browser->invalidaterect(instance, NULL);
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}
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static uint16 rnd16(float x, int inset) {
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int ix = (int)roundf(x) + inset;
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if (ix < 0) {
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ix = 0;
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}
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return static_cast<uint16>(ix);
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}
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static void inval(NPP instance, const ANPRectF& r, bool doAA) {
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const int inset = doAA ? -1 : 0;
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PluginObject *obj = reinterpret_cast<PluginObject*>(instance->pdata);
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NPRect inval;
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inval.left = rnd16(r.left, inset);
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inval.top = rnd16(r.top, inset);
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inval.right = rnd16(r.right, -inset);
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inval.bottom = rnd16(r.bottom, -inset);
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browser->invalidaterect(instance, &inval);
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}
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static void drawPlugin(SubPlugin* plugin, const ANPBitmap& bitmap, const ANPRectI& clip) {
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ANPCanvas* canvas = gCanvasI.newCanvas(&bitmap);
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ANPRectF clipR;
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clipR.left = clip.left;
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clipR.top = clip.top;
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clipR.right = clip.right;
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clipR.bottom = clip.bottom;
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gCanvasI.clipRect(canvas, &clipR);
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plugin->draw(canvas);
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gCanvasI.deleteCanvas(canvas);
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}
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uint32_t getMSecs() {
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struct timeval tv;
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gettimeofday(&tv, NULL);
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return (uint32_t) (tv.tv_sec * 1000 + tv.tv_usec / 1000 ); // microseconds to milliseconds
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}
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///////////////////////////////////////////////////////////////////////////////
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BallAnimation::BallAnimation(NPP inst) : SubPlugin(inst) {
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m_x = m_y = 0;
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m_dx = 7 * SCALE;
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m_dy = 5 * SCALE;
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memset(&m_oval, 0, sizeof(m_oval));
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m_paint = gPaintI.newPaint();
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gPaintI.setFlags(m_paint, gPaintI.getFlags(m_paint) | kAntiAlias_ANPPaintFlag);
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gPaintI.setColor(m_paint, 0xFFFF0000);
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gPaintI.setTextSize(m_paint, 24);
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ANPTypeface* tf = gTypefaceI.createFromName("serif", kItalic_ANPTypefaceStyle);
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gPaintI.setTypeface(m_paint, tf);
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gTypefaceI.unref(tf);
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//register for key and touch events
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ANPEventFlags flags = kKey_ANPEventFlag | kTouch_ANPEventFlag;
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NPError err = browser->setvalue(inst, kAcceptEvents_ANPSetValue, &flags);
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if (err != NPERR_NO_ERROR) {
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gLogI.log(inst, kError_ANPLogType, "Error selecting input events.");
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}
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}
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BallAnimation::~BallAnimation() {
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gPaintI.deletePaint(m_paint);
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}
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static void bounce(float* x, float* dx, const float max) {
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*x += *dx;
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if (*x < 0) {
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*x = 0;
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if (*dx < 0) {
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*dx = -*dx;
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}
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} else if (*x > max) {
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*x = max;
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if (*dx > 0) {
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*dx = -*dx;
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}
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}
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}
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void BallAnimation::draw(ANPCanvas* canvas) {
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NPP instance = this->inst();
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PluginObject *obj = (PluginObject*) instance->pdata;
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const float OW = 20;
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const float OH = 20;
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const int W = obj->window->width;
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const int H = obj->window->height;
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inval(instance, m_oval, true); // inval the old
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m_oval.left = m_x;
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m_oval.top = m_y;
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m_oval.right = m_x + OW;
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m_oval.bottom = m_y + OH;
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inval(instance, m_oval, true); // inval the new
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gCanvasI.drawColor(canvas, 0xFFFFFFFF);
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// test out the Path API
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{
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ANPPath* path = gPathI.newPath();
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float cx = W * 0.5f;
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float cy = H * 0.5f;
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gPathI.moveTo(path, 0, 0);
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gPathI.quadTo(path, cx, cy, W, 0);
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gPathI.quadTo(path, cx, cy, W, H);
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gPathI.quadTo(path, cx, cy, 0, H);
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gPathI.quadTo(path, cx, cy, 0, 0);
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gPaintI.setColor(m_paint, 0xFF0000FF);
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gCanvasI.drawPath(canvas, path, m_paint);
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ANPRectF bounds;
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memset(&bounds, 0, sizeof(bounds));
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gPathI.getBounds(path, &bounds);
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#if 0
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gLogI.log(instance, kDebug_ANPLogType, "drawpath: center %g %g bounds [%g %g %g %g]\n",
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cx, cy,
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bounds.left, bounds.top, bounds.right, bounds.bottom);
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#endif
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gPathI.deletePath(path);
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}
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gPaintI.setColor(m_paint, 0xFFFF0000);
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gCanvasI.drawOval(canvas, &m_oval, m_paint);
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bounce(&m_x, &m_dx, obj->window->width - OW);
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bounce(&m_y, &m_dy, obj->window->height - OH);
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if (mUnichar) {
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ANPFontMetrics fm;
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gPaintI.getFontMetrics(m_paint, &fm);
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gPaintI.setColor(m_paint, 0xFF0000FF);
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char c = static_cast<char>(mUnichar);
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gCanvasI.drawText(canvas, &c, 1, 10, -fm.fTop, m_paint);
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}
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}
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int16 BallAnimation::handleEvent(const ANPEvent* evt) {
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NPP instance = this->inst();
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switch (evt->eventType) {
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case kDraw_ANPEventType:
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switch (evt->data.draw.model) {
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case kBitmap_ANPDrawingModel:
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drawPlugin(this, evt->data.draw.data.bitmap, evt->data.draw.clip);
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return 1;
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default:
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break; // unknown drawing model
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}
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case kKey_ANPEventType:
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if (evt->data.key.action == kDown_ANPKeyAction) {
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mUnichar = evt->data.key.unichar;
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gLogI.log(instance, kDebug_ANPLogType, "ball downkey event");
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browser->invalidaterect(instance, NULL);
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}
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return 1;
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default:
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break;
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}
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return 0; // unknown or unhandled event
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}
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