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/*
* Copyright 2011, 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 THE COPYRIGHT OWNER 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 "config.h"
#include "ImageTexture.h"
#include "SkDevice.h"
#include "TilesManager.h"
#ifdef DEBUG
#include <cutils/log.h>
#include <wtf/CurrentTime.h>
#include <wtf/text/CString.h>
#undef XLOG
#define XLOG(...) android_printLog(ANDROID_LOG_DEBUG, "ImageTexture", __VA_ARGS__)
#else
#undef XLOG
#define XLOG(...)
#endif // DEBUG
namespace WebCore {
ImageTexture::ImageTexture(SkBitmapRef* img)
: m_imageRef(img)
, m_image(0)
, m_textureId(0)
, m_refCount(0)
{
#ifdef DEBUG_COUNT
ClassTracker::instance()->increment("ImageTexture");
#endif
if (!m_imageRef)
return;
SkBitmap* bitmap = &m_imageRef->bitmap();
m_image = new SkBitmap();
int w = bitmap->width();
int h = bitmap->height();
m_image->setConfig(SkBitmap::kARGB_8888_Config, w, h);
m_image->allocPixels();
SkDevice* device = new SkDevice(NULL, *m_image, false);
SkCanvas canvas;
canvas.setDevice(device);
device->unref();
SkRect dest;
dest.set(0, 0, w, h);
m_image->setIsOpaque(false);
m_image->eraseARGB(0, 0, 0, 0);
canvas.drawBitmapRect(*bitmap, 0, dest);
}
ImageTexture::~ImageTexture()
{
#ifdef DEBUG_COUNT
ClassTracker::instance()->decrement("ImageTexture");
#endif
delete m_image;
}
void ImageTexture::prepare()
{
if (m_textureId)
return;
glGenTextures(1, &m_textureId);
GLUtils::createTextureWithBitmap(m_textureId, *m_image);
}
void ImageTexture::draw(LayerAndroid* layer)
{
if (!layer)
return;
if (!m_textureId)
return;
if (!m_image)
return;
SkRect rect;
rect.fLeft = 0;
rect.fTop = 0;
rect.fRight = layer->getSize().width();
rect.fBottom = layer->getSize().height();
TilesManager::instance()->shader()->drawLayerQuad(*layer->drawTransform(),
rect, m_textureId,
layer->drawOpacity(), true);
}
void ImageTexture::release()
{
if (m_refCount >= 1)
m_refCount--;
if (!m_refCount)
deleteTexture();
}
void ImageTexture::deleteTexture()
{
glDeleteTextures(1, &m_textureId);
}
} // namespace WebCore
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