C++ ANPPaintInterfaceV0::setTextSize方法代码示例

void BackgroundPlugin::drawPlugin(int surfaceWidth, int surfaceHeight) {

    // get the plugin's dimensions according to the DOM
    PluginObject *obj = (PluginObject*) inst()->pdata;
    const int W = obj->window->width;
    const int H = obj->window->height;

    // compute the current zoom level
    const float zoomFactorW = static_cast<float>(surfaceWidth) / W;
    const float zoomFactorH = static_cast<float>(surfaceHeight) / H;

    // check to make sure the zoom level is uniform
    if (zoomFactorW + .01 < zoomFactorH && zoomFactorW - .01 > zoomFactorH)
        gLogI.log(kError_ANPLogType, " ------ %p zoom is out of sync (%f,%f)",
                  inst(), zoomFactorW, zoomFactorH);

    // scale the variables based on the zoom level
    const int fontSize = (int)(zoomFactorW * 16);
    const int leftMargin = (int)(zoomFactorW * 10);

    // lock the surface
    ANPBitmap bitmap;
    JNIEnv* env = NULL;
    if (!m_surface || gVM->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK ||
        !gSurfaceI.lock(env, m_surface, &bitmap, NULL)) {
        gLogI.log(kError_ANPLogType, " ------ %p unable to lock the plugin", inst());
        return;
    }

    // create a canvas
    ANPCanvas* canvas = gCanvasI.newCanvas(&bitmap);
    gCanvasI.drawColor(canvas, 0xFFFFFFFF);

    ANPPaint* paint = gPaintI.newPaint();
    gPaintI.setFlags(paint, gPaintI.getFlags(paint) | kAntiAlias_ANPPaintFlag);
    gPaintI.setColor(paint, 0xFFFF0000);
    gPaintI.setTextSize(paint, fontSize);

    ANPTypeface* tf = gTypefaceI.createFromName("serif", kItalic_ANPTypefaceStyle);
    gPaintI.setTypeface(paint, tf);
    gTypefaceI.unref(tf);

    ANPFontMetrics fm;
    gPaintI.getFontMetrics(paint, &fm);

    gPaintI.setColor(paint, 0xFF0000FF);
    const char c[] = "This is a background plugin.";
    gCanvasI.drawText(canvas, c, sizeof(c)-1, leftMargin, -fm.fTop, paint);

    // clean up variables and unlock the surface
    gPaintI.deletePaint(paint);
    gCanvasI.deleteCanvas(canvas);
    gSurfaceI.unlock(env, m_surface);
}

PaintPlugin::PaintPlugin(NPP inst) : SurfaceSubPlugin(inst) {

    m_isTouchActive = false;
    m_isTouchCurrentInput = true;
    m_activePaintColor = s_redColor;

    memset(&m_drawingSurface, 0, sizeof(m_drawingSurface));
    memset(&m_inputToggle,  0, sizeof(m_inputToggle));
    memset(&m_colorToggle, 0, sizeof(m_colorToggle));
    memset(&m_fullScreenToggle, 0, sizeof(m_fullScreenToggle));
    memset(&m_clearSurface,  0, sizeof(m_clearSurface));

    // initialize the drawing surface
    m_surface = NULL;

    // initialize the path
    m_touchPath = gPathI.newPath();
    if(!m_touchPath)
        gLogI.log(kError_ANPLogType, "----%p Unable to create the touch path", inst);

    // initialize the paint colors
    m_paintSurface = gPaintI.newPaint();
    gPaintI.setFlags(m_paintSurface, gPaintI.getFlags(m_paintSurface) | kAntiAlias_ANPPaintFlag);
    gPaintI.setColor(m_paintSurface, 0xFFC0C0C0);
    gPaintI.setTextSize(m_paintSurface, 18);

    m_paintButton = gPaintI.newPaint();
    gPaintI.setFlags(m_paintButton, gPaintI.getFlags(m_paintButton) | kAntiAlias_ANPPaintFlag);
    gPaintI.setColor(m_paintButton, 0xFFA8A8A8);

    // initialize the typeface (set the colors)
    ANPTypeface* tf = gTypefaceI.createFromName("serif", kItalic_ANPTypefaceStyle);
    gPaintI.setTypeface(m_paintSurface, tf);
    gTypefaceI.unref(tf);

    //register for touch events
    ANPEventFlags flags = kTouch_ANPEventFlag;
    NPError err = browser->setvalue(inst, kAcceptEvents_ANPSetValue, &flags);
    if (err != NPERR_NO_ERROR) {
        gLogI.log(kError_ANPLogType, "Error selecting input events.");
    }
}

FormPlugin::FormPlugin(NPP inst) : SubPlugin(inst) {

    m_hasFocus = false;
    m_activeInput = NULL;

    memset(&m_usernameInput, 0, sizeof(m_usernameInput));
    memset(&m_passwordInput, 0, sizeof(m_passwordInput));

    m_usernameInput.text[0] = '\0';
    m_usernameInput.charPtr = 0;

    m_passwordInput.text[0] = '\0';
    m_passwordInput.charPtr = 0;

    m_paintInput = gPaintI.newPaint();
    gPaintI.setFlags(m_paintInput, gPaintI.getFlags(m_paintInput) | kAntiAlias_ANPPaintFlag);
    gPaintI.setColor(m_paintInput, 0xFFFFFFFF);

    m_paintActive = gPaintI.newPaint();
    gPaintI.setFlags(m_paintActive, gPaintI.getFlags(m_paintActive) | kAntiAlias_ANPPaintFlag);
    gPaintI.setColor(m_paintActive, 0xFFFFFF00);

    m_paintText = gPaintI.newPaint();
    gPaintI.setFlags(m_paintText, gPaintI.getFlags(m_paintText) | kAntiAlias_ANPPaintFlag);
    gPaintI.setColor(m_paintText, 0xFF000000);
    gPaintI.setTextSize(m_paintText, 18);

    ANPTypeface* tf = gTypefaceI.createFromName("serif", kItalic_ANPTypefaceStyle);
    gPaintI.setTypeface(m_paintText, tf);
    gTypefaceI.unref(tf);

    //register for key and visibleRect events
    ANPEventFlags flags = kKey_ANPEventFlag;
    NPError err = browser->setvalue(inst, kAcceptEvents_ANPSetValue, &flags);
    if (err != NPERR_NO_ERROR) {
        gLogI.log(kError_ANPLogType, "Error selecting input events.");
    }
}

AudioPlugin::AudioPlugin(NPP inst) : SubPlugin(inst) {

    const char path[] = "/sdcard/sample.raw";

    // open a file stream
    FILE* f = fopen(path, "r");
    gLogI.log(inst, kDebug_ANPLogType, "--- path %s FILE %p", path, f);

    // setup our private audio struct's default values
    m_soundPlay = new SoundPlay;
    m_soundPlay->instance = inst;
    m_soundPlay->progress = 0;
    m_soundPlay->fileSize = 0;
    m_soundPlay->file = f;
    m_soundPlay->track = NULL;

    // create the audio track
    if (f) {
        m_soundPlay->track = gSoundI.newTrack(44100, kPCM16Bit_ANPSampleFormat, 2, audioCallback, m_soundPlay);
        if (!m_soundPlay->track) {
            fclose(f);
            m_soundPlay->file = NULL;
        }
    }

    // get the audio file's size
    int fileDescriptor = open(path, O_RDONLY);
    struct stat fileStatus;

    if(fileDescriptor <= 0) {
        gLogI.log(inst, kError_ANPLogType, "fopen error");
    }
    else if (fstat(fileDescriptor, &fileStatus) != 0) {
        gLogI.log(inst, kDebug_ANPLogType, "File Size: %d", fileStatus.st_size);
        m_soundPlay->fileSize = fileStatus.st_size;
    } else {
        gLogI.log(inst, kError_ANPLogType, "fstat error");
    }

    // configure the UI elements
    m_activeTouch = false;

    memset(&m_trackRect, 0, sizeof(m_trackRect));
    memset(&m_playRect,  0, sizeof(m_playRect));
    memset(&m_pauseRect, 0, sizeof(m_pauseRect));
    memset(&m_stopRect,  0, sizeof(m_stopRect));

    m_paintTrack = gPaintI.newPaint();
    gPaintI.setFlags(m_paintTrack, gPaintI.getFlags(m_paintTrack) | kAntiAlias_ANPPaintFlag);
    gPaintI.setColor(m_paintTrack, 0xFFC0C0C0);

    m_paintRect = gPaintI.newPaint();
    gPaintI.setFlags(m_paintRect, gPaintI.getFlags(m_paintRect) | kAntiAlias_ANPPaintFlag);
    gPaintI.setColor(m_paintRect, 0xFFA8A8A8);

    m_paintText = gPaintI.newPaint();
    gPaintI.setFlags(m_paintText, gPaintI.getFlags(m_paintText) | kAntiAlias_ANPPaintFlag);
    gPaintI.setColor(m_paintText, 0xFF2F4F4F);
    gPaintI.setTextSize(m_paintText, 18);

    m_paintTrackProgress = gPaintI.newPaint();
    gPaintI.setFlags(m_paintTrackProgress, gPaintI.getFlags(m_paintTrackProgress) | kAntiAlias_ANPPaintFlag);
    gPaintI.setColor(m_paintTrackProgress, 0xFF545454);

    m_paintActiveRect = gPaintI.newPaint();
    gPaintI.setFlags(m_paintActiveRect, gPaintI.getFlags(m_paintActiveRect) | kAntiAlias_ANPPaintFlag);
    gPaintI.setColor(m_paintActiveRect, 0xFF545454);

    ANPTypeface* tf = gTypefaceI.createFromName("serif", kItalic_ANPTypefaceStyle);
    gPaintI.setTypeface(m_paintText, tf);
    gTypefaceI.unref(tf);

    //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.");
    }
}