C++ TextureCache::addImage方法代码示例

int AliceParticle2DSystem_SetTexture(lua_State*L)
{
	Alice::Particle2DSystem * ptr = (Alice::Particle2DSystem*)lua_touserdata(L, 1);
	std::string fileName = lua_tostring(L,2);
	TextureCache * pTextureCache = Director::getInstance()->getTextureCache();
	Texture2D* texture=pTextureCache->addImage(fileName);
	((ParticleSystemQuad*)ptr->node)->setTexture(texture);
	return 0;
}

Sprite* SubTest::createSpriteWithTag(int tag)
{
    TextureCache *cache = Director::getInstance()->getTextureCache();

    Sprite* sprite = NULL;
    switch (subtestNumber)
    {
        ///
        case 1:
        case 2:
        {
            sprite = Sprite::create("Images/grossinis_sister1.png");
            _parentNode->addChild(sprite, 0, tag+100);
            break;
        }
        case 3:
        case 4:
        {
            Texture2D *texture = cache->addImage("Images/grossinis_sister1.png");
            sprite = Sprite::createWithTexture(texture, Rect(0, 0, 52, 139));
            _parentNode->addChild(sprite, 0, tag+100);
            break;
        }

        ///
        case 5:
        {
            int idx = (CCRANDOM_0_1() * 1400 / 100) + 1;
            char str[32] = {0};
            sprintf(str, "Images/grossini_dance_%02d.png", idx);
            sprite = Sprite::create(str);
            _parentNode->addChild(sprite, 0, tag+100);
            break;
        }
        case 6:
        case 7:
        case 8:
        {
            int y,x;
            int r = (CCRANDOM_0_1() * 1400 / 100);

            y = r / 5;
            x = r % 5;

            x *= 85;
            y *= 121;
            Texture2D *texture = cache->addImage("Images/grossini_dance_atlas.png");
            sprite = Sprite::createWithTexture(texture, Rect(x,y,85,121));
            _parentNode->addChild(sprite, 0, tag+100);
            break;
        }

        ///
        case 9:
            {
                int y,x;
                int r = (CCRANDOM_0_1() * 6400 / 100);

                y = r / 8;
                x = r % 8;

                char str[40] = {0};
                sprintf(str, "Images/sprites_test/sprite-%d-%d.png", x, y);
                sprite = Sprite::create(str);
                _parentNode->addChild(sprite, 0, tag+100);
                break;
            }

        case 10:
        case 11:
        case 12:
        {
            int y,x;
            int r = (CCRANDOM_0_1() * 6400 / 100);

            y = r / 8;
            x = r % 8;

            x *= 32;
            y *= 32;
            Texture2D *texture = cache->addImage("Images/spritesheet1.png");
            sprite = Sprite::createWithTexture(texture, CC_RECT_PIXELS_TO_POINTS(Rect(x,y,32,32)));
            _parentNode->addChild(sprite, 0, tag+100);
            break;
        }
            ///
        case 13:
        {
            int test = (CCRANDOM_0_1() * 3);

            if(test==0) {
                // Switch case 1
                sprite = Sprite::create("Images/grossinis_sister1.png");
                _parentNode->addChild(sprite, 0, tag+100);
            }
            else if(test==1)
            {
                // Switch case 6
                int y,x;
                int r = (CCRANDOM_0_1() * 1400 / 100);
//.........这里部分代码省略.........

void Director::createStatsLabel()
{
    Texture2D *texture = nullptr;
    TextureCache *textureCache = TextureCache::getInstance();

    if (_FPSLabel && _SPFLabel)
    {
        CC_SAFE_RELEASE_NULL(_FPSLabel);
        CC_SAFE_RELEASE_NULL(_SPFLabel);
        CC_SAFE_RELEASE_NULL(_drawsLabel);
        textureCache->removeTextureForKey("/cc_fps_images");
        FileUtils::getInstance()->purgeCachedEntries();
    }

    Texture2D::PixelFormat currentFormat = Texture2D::getDefaultAlphaPixelFormat();
    Texture2D::setDefaultAlphaPixelFormat(Texture2D::PixelFormat::RGBA4444);
    unsigned char *data = nullptr;
    unsigned int dataLength = 0;
    getFPSImageData(&data, &dataLength);

    Image* image = new Image();
    bool isOK = image->initWithImageData(data, dataLength);
    if (! isOK) {
        CCLOGERROR("%s", "Fails: init fps_images");
        return;
    }

    texture = textureCache->addImage(image, "/cc_fps_images");
    CC_SAFE_RELEASE(image);

    /*
     We want to use an image which is stored in the file named ccFPSImage.c 
     for any design resolutions and all resource resolutions. 
     
     To achieve this,
     
     Firstly, we need to ignore 'contentScaleFactor' in 'AtlasNode' and 'LabelAtlas'.
     So I added a new method called 'setIgnoreContentScaleFactor' for 'AtlasNode',
     this is not exposed to game developers, it's only used for displaying FPS now.
     
     Secondly, the size of this image is 480*320, to display the FPS label with correct size, 
     a factor of design resolution ratio of 480x320 is also needed.
     */
    float factor = EGLView::getInstance()->getDesignResolutionSize().height / 320.0f;

    _FPSLabel = new LabelAtlas();
    _FPSLabel->setIgnoreContentScaleFactor(true);
    _FPSLabel->initWithString("00.0", texture, 12, 32 , '.');
    _FPSLabel->setScale(factor);

    _SPFLabel = new LabelAtlas();
    _SPFLabel->setIgnoreContentScaleFactor(true);
    _SPFLabel->initWithString("0.000", texture, 12, 32, '.');
    _SPFLabel->setScale(factor);

    _drawsLabel = new LabelAtlas();
    _drawsLabel->setIgnoreContentScaleFactor(true);
    _drawsLabel->initWithString("000", texture, 12, 32, '.');
    _drawsLabel->setScale(factor);

    Texture2D::setDefaultAlphaPixelFormat(currentFormat);

    _drawsLabel->setPosition(Point(0, 34*factor) + CC_DIRECTOR_STATS_POSITION);
    _SPFLabel->setPosition(Point(0, 17*factor) + CC_DIRECTOR_STATS_POSITION);
    _FPSLabel->setPosition(CC_DIRECTOR_STATS_POSITION);
}

void SubTest::initWithSubTest(int nSubTest, Node* p)
{
    subtestNumber = nSubTest;
    parent = p;
    batchNode = NULL;
    /*
    * Tests:
    * 1: 1 (32-bit) PNG sprite of 52 x 139
    * 2: 1 (32-bit) PNG Batch Node using 1 sprite of 52 x 139
    * 3: 1 (16-bit) PNG Batch Node using 1 sprite of 52 x 139
    * 4: 1 (4-bit) PVRTC Batch Node using 1 sprite of 52 x 139

    * 5: 14 (32-bit) PNG sprites of 85 x 121 each
    * 6: 14 (32-bit) PNG Batch Node of 85 x 121 each
    * 7: 14 (16-bit) PNG Batch Node of 85 x 121 each
    * 8: 14 (4-bit) PVRTC Batch Node of 85 x 121 each

    * 9: 64 (32-bit) sprites of 32 x 32 each
    *10: 64 (32-bit) PNG Batch Node of 32 x 32 each
    *11: 64 (16-bit) PNG Batch Node of 32 x 32 each
    *12: 64 (4-bit) PVRTC Batch Node of 32 x 32 each
    */

    // purge textures
    TextureCache *mgr = TextureCache::sharedTextureCache();
    //        [mgr removeAllTextures];
    mgr->removeTexture(mgr->addImage("Images/grossinis_sister1.png"));
    mgr->removeTexture(mgr->addImage("Images/grossini_dance_atlas.png"));
    mgr->removeTexture(mgr->addImage("Images/spritesheet1.png"));

    switch ( subtestNumber)
    {
        case 1:
        case 4:
        case 7:
            break;
            ///
        case 2:
            Texture2D::setDefaultAlphaPixelFormat(kTexture2DPixelFormat_RGBA8888);
            batchNode = SpriteBatchNode::create("Images/grossinis_sister1.png", 100);
            p->addChild(batchNode, 0);
            break;
        case 3:
            Texture2D::setDefaultAlphaPixelFormat(kTexture2DPixelFormat_RGBA4444);
            batchNode = SpriteBatchNode::create("Images/grossinis_sister1.png", 100);
            p->addChild(batchNode, 0);
            break;

            ///
        case 5:
            Texture2D::setDefaultAlphaPixelFormat(kTexture2DPixelFormat_RGBA8888);
            batchNode = SpriteBatchNode::create("Images/grossini_dance_atlas.png", 100);
            p->addChild(batchNode, 0);
            break;                
        case 6:
            Texture2D::setDefaultAlphaPixelFormat(kTexture2DPixelFormat_RGBA4444);
            batchNode = SpriteBatchNode::create("Images/grossini_dance_atlas.png", 100);
            p->addChild(batchNode, 0);
            break;

            ///
        case 8:
            Texture2D::setDefaultAlphaPixelFormat(kTexture2DPixelFormat_RGBA8888);
            batchNode = SpriteBatchNode::create("Images/spritesheet1.png", 100);
            p->addChild(batchNode, 0);
            break;
        case 9:
            Texture2D::setDefaultAlphaPixelFormat(kTexture2DPixelFormat_RGBA4444);
            batchNode = SpriteBatchNode::create("Images/spritesheet1.png", 100);
            p->addChild(batchNode, 0);
            break;

        default:
            break;
    }

    if (batchNode)
    {
        batchNode->retain();
    }

    Texture2D::setDefaultAlphaPixelFormat(kTexture2DPixelFormat_Default);
}