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adding README to sample plugins and cleaning up the animation plugin.

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This commit is contained in:
Derek Sollenberger
2009-08-11 10:05:46 -04:00
parent 5ad138fef8
commit 0c763b60ce
4 changed files with 218 additions and 90 deletions
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122
samples/BrowserPlugin/jni/animation/AnimationPlugin.cpp
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@@ -25,9 +25,6 @@
#include "AnimationPlugin.h"
#include <stdio.h>
#include <sys/time.h>
#include <time.h>
#include <math.h>
#include <string.h>
@@ -36,13 +33,8 @@ extern ANPLogInterfaceV0 gLogI;
extern ANPCanvasInterfaceV0 gCanvasI;
extern ANPPaintInterfaceV0 gPaintI;
extern ANPPathInterfaceV0 gPathI;
extern ANPTypefaceInterfaceV0 gTypefaceI;
extern ANPWindowInterfaceV0 gWindowI;
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) {
@@ -54,7 +46,6 @@ static uint16 rnd16(float x, int inset) {
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);
@@ -63,42 +54,6 @@ static void inval(NPP instance, const ANPRectF& r, bool doAA) {
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
}
///////////////////////////////////////////////////////////////////////////////
BallAnimation::BallAnimation(NPP inst) : SubPlugin(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);
//register for key and touch events
ANPEventFlags flags = kKey_ANPEventFlag | kTouch_ANPEventFlag;
NPError err = browser->setvalue(inst, kAcceptEvents_ANPSetValue, &flags);
if (err != NPERR_NO_ERROR) {
gLogI.log(inst, kError_ANPLogType, "Error selecting input events.");
}
}
BallAnimation::~BallAnimation() {
gPaintI.deletePaint(m_paint);
}
static void bounce(float* x, float* dx, const float max) {
*x += *dx;
if (*x < 0) {
@@ -113,14 +68,41 @@ static void bounce(float* x, float* dx, const float max) {
}
}
}
///////////////////////////////////////////////////////////////////////////////
BallAnimation::BallAnimation(NPP inst) : SubPlugin(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);
//register for touch events
ANPEventFlags flags = kTouch_ANPEventFlag;
NPError err = browser->setvalue(inst, kAcceptEvents_ANPSetValue, &flags);
if (err != NPERR_NO_ERROR) {
gLogI.log(inst, kError_ANPLogType, "Error selecting input events.");
}
}
BallAnimation::~BallAnimation() {
gPaintI.deletePaint(m_paint);
}
bool BallAnimation::supportsDrawingModel(ANPDrawingModel model) {
return (model == kBitmap_ANPDrawingModel);
}
void BallAnimation::drawPlugin(const ANPBitmap& bitmap, const ANPRectI& clip) {
// create a canvas
ANPCanvas* canvas = gCanvasI.newCanvas(&bitmap);
// clip the canvas
ANPRectF clipR;
clipR.left = clip.left;
clipR.top = clip.top;
@@ -128,28 +110,15 @@ void BallAnimation::drawPlugin(const ANPBitmap& bitmap, const ANPRectI& clip) {
clipR.bottom = clip.bottom;
gCanvasI.clipRect(canvas, &clipR);
draw(canvas);
gCanvasI.deleteCanvas(canvas);
}
void BallAnimation::draw(ANPCanvas* canvas) {
NPP instance = this->inst();
PluginObject *obj = (PluginObject*) instance->pdata;
// setup variables
PluginObject *obj = (PluginObject*) inst()->pdata;
const float OW = 20;
const float OH = 20;
const int W = obj->window->width;
const int H = obj->window->height;
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
// paint the canvas (using the path API)
gCanvasI.drawColor(canvas, 0xFFFFFFFF);
// test out the Path API
{
ANPPath* path = gPathI.newPath();
@@ -167,28 +136,25 @@ void BallAnimation::draw(ANPCanvas* canvas) {
ANPRectF bounds;
memset(&bounds, 0, sizeof(bounds));
gPathI.getBounds(path, &bounds);
#if 0
gLogI.log(instance, kDebug_ANPLogType, "drawpath: center %g %g bounds [%g %g %g %g]\n",
cx, cy,
bounds.left, bounds.top, bounds.right, bounds.bottom);
#endif
gPathI.deletePath(path);
}
// draw the oval
inval(inst(), 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(inst(), m_oval, true); // inval the new
gPaintI.setColor(m_paint, 0xFFFF0000);
gCanvasI.drawOval(canvas, &m_oval, m_paint);
// update the coordinates of the oval
bounce(&m_x, &m_dx, obj->window->width - OW);
bounce(&m_y, &m_dy, obj->window->height - OH);
if (mUnichar) {
ANPFontMetrics fm;
gPaintI.getFontMetrics(m_paint, &fm);
gPaintI.setColor(m_paint, 0xFF0000FF);
char c = static_cast<char>(mUnichar);
gCanvasI.drawText(canvas, &c, 1, 10, -fm.fTop, m_paint);
}
// delete the canvas
gCanvasI.deleteCanvas(canvas);
}
void BallAnimation::showEntirePluginOnScreen() {
@@ -219,14 +185,6 @@ int16 BallAnimation::handleEvent(const ANPEvent* evt) {
default:
break; // unknown drawing model
}
case kKey_ANPEventType:
if (evt->data.key.action == kDown_ANPKeyAction) {
mUnichar = evt->data.key.unichar;
gLogI.log(instance, kDebug_ANPLogType, "ball downkey event");
browser->invalidaterect(instance, NULL);
}
return 1;
case kTouch_ANPEventType:
if (kDown_ANPTouchAction == evt->data.touch.action) {
showEntirePluginOnScreen();