void Tick()
{
NOTIFY_PROCESS_STATUS(EA::WebKit::kVProcessTypeLibTick, EA::WebKit::kVProcessStatusStarted, 0);
SET_AUTOFPUPRECISION(EA::WebKit::kFPUPrecisionExtended);
SET_AUTO_COLLECTOR_STACK_BASE();
EAWEBKIT_THREAD_CHECK();
EAWWBKIT_INIT_CHECK();
WTF::dispatchFunctionsFromMainThread(); // This is required for any children threads to work, for example, web workers.
WebCore::ResourceHandleManager::sharedInstance()->TickDownload();
NOTIFY_PROCESS_STATUS(EA::WebKit::kVProcessTypeTransportTick, EA::WebKit::kVProcessStatusStarted, 0);
WebCore::ResourceHandleManager::sharedInstance()->TickTransportHandlers();
if(SocketTransportHandler* pSocketTxHandler = EA::WebKit::GetSocketTransportHandler())
pSocketTxHandler->Tick();
NOTIFY_PROCESS_STATUS(EA::WebKit::kVProcessTypeTransportTick, EA::WebKit::kVProcessStatusEnded, 0);
WebCore::fireTimerIfNeeded();
NOTIFY_PROCESS_STATUS(EA::WebKit::kVProcessTypeLibTick, EA::WebKit::kVProcessStatusEnded, 0);
}
JSValue* ScriptController::evaluate(const String& filename, int baseLine, const String& str)
{
// 11/09/09 CSidhall - Added notify process start to user
NOTIFY_PROCESS_STATUS(EA::WebKit::kVProcessTypeScript, EA::WebKit::kVProcessStatusStarted);
// evaluate code. Returns the JS return value or 0
// if there was none, an error occured or the type couldn't be converted.
initScriptIfNeeded();
// inlineCode is true for <a href="javascript:doSomething()">
// and false for <script>doSomething()</script>. Check if it has the
// expected value in all cases.
// See smart window.open policy for where this is used.
ExecState* exec = m_windowShell->window()->globalExec();
m_processingInlineCode = filename.isNull();
JSLock lock;
// Evaluating the JavaScript could cause the frame to be deallocated
// so we start the keep alive timer here.
m_frame->keepAlive();
m_windowShell->window()->startTimeoutCheck();
Completion comp = Interpreter::evaluate(exec, exec->dynamicGlobalObject()->globalScopeChain(), filename, baseLine, StringSourceProvider::create(str), m_windowShell);
m_windowShell->window()->stopTimeoutCheck();
NOTIFY_PROCESS_STATUS(EA::WebKit::kVProcessTypeScript, EA::WebKit::kVProcessStatusEnded);
if (comp.complType() == Normal || comp.complType() == ReturnValue) {
m_processingInlineCode = false;
return comp.value();
}
if (comp.complType() == Throw) {
UString errorMessage = comp.value()->toString(exec);
int lineNumber = comp.value()->toObject(exec)->get(exec, Identifier(exec, "line"))->toInt32(exec);
UString sourceURL = comp.value()->toObject(exec)->get(exec, Identifier(exec, "sourceURL"))->toString(exec);
m_frame->domWindow()->console()->addMessage(JSMessageSource, ErrorMessageLevel, errorMessage, lineNumber, sourceURL);
}
m_processingInlineCode = false;
return 0;
}
FontPlatformData* FontCache::getCachedFontPlatformData(const FontDescription& fontDescription,
const AtomicString& familyName,
bool checkingAlternateName)
{
NOTIFY_PROCESS_STATUS(EA::WebKit::kVProcessTypeFontLoading, EA::WebKit::kVProcessStatusStarted);
if (!gFontPlatformDataCache) {
gFontPlatformDataCache = new FontPlatformDataCache;
platformInit();
}
FontPlatformDataCacheKey key(familyName, fontDescription.computedPixelSize(), fontDescription.weight(), fontDescription.italic(),
fontDescription.usePrinterFont(), fontDescription.renderingMode());
FontPlatformData* result = 0;
bool foundResult;
FontPlatformDataCache::iterator it = gFontPlatformDataCache->find(key);
if (it == gFontPlatformDataCache->end()) {
result = createFontPlatformData(fontDescription, familyName);
if(result)
gFontPlatformDataCache->set(key, result);
foundResult = result;
} else {
result = it->second;
foundResult = true;
}
if (!foundResult && !checkingAlternateName) {
// We were unable to find a font. We have a small set of fonts that we alias to other names,
// e.g., Arial/Helvetica, Courier/Courier New, etc. Try looking up the font under the aliased name.
const AtomicString* pAlternateName = alternateFamilyName(familyName);
if (!pAlternateName->isEmpty())
result = getCachedFontPlatformData(fontDescription, *pAlternateName, true);
if (result) {
gFontPlatformDataCache->set(key, new FontPlatformData(*result)); // Cache the result under the old name.
}
}
NOTIFY_PROCESS_STATUS(EA::WebKit::kVProcessTypeFontLoading, EA::WebKit::kVProcessStatusEnded);
return result;
}
// We need to draw the glyphBuffer glyphs/advances with the pSimpleFontData font onto the
// pGraphicsContext pSurface. We draw glyphCount glyphs starting at the glyphIndexBegin.
void Font::drawGlyphs(GraphicsContext* pGraphicsContext, const SimpleFontData* pSimpleFontData, const GlyphBuffer& glyphBuffer,
int glyphIndexBegin, int glyphCount, const FloatPoint& point) const
{
// 11/09/09 CSidhall Added notify start of process to user
NOTIFY_PROCESS_STATUS(EA::WebKit::kVProcessTypeDrawGlyph, EA::WebKit::kVProcessStatusStarted);
#if defined(EA_DEBUG) && defined(AUTHOR_PPEDRIANA_DISABLED) && defined(EA_PLATFORM_WINDOWS)
TraceGlyphBufferToString(pSimpleFontData, glyphBuffer, glyphIndexBegin, glyphCount, point);
#endif
GlyphBufferGlyph* glyphs = const_cast<GlyphBufferGlyph*>(glyphBuffer.glyphs(glyphIndexBegin));
float offset = 0;
int x_offset = 0;
EA::Internal::IFont* pFont = pSimpleFontData->m_font.mpFont;
EA::Internal::IGlyphCache* pGlyphCache = EA::WebKit::GetGlyphCache();
EAW_ASSERT_MSG(pGlyphCache, "GlyphCache is not set");
if(!pGlyphCache)
{
NOTIFY_PROCESS_STATUS(EA::WebKit::kVProcessTypeDrawGlyph, EA::WebKit::kVProcessStatusEnded);
return;
}
EA::Internal::ITextureInfo* pTI = pGlyphCache->GetTextureInfo(0); // Right now we hard-code usage of what is the only texture.
EAW_ASSERT_MSG(pTI, "GlyphCache is not initialized with enough number of textures");
if(!pTI)
{
NOTIFY_PROCESS_STATUS(EA::WebKit::kVProcessTypeDrawGlyph, EA::WebKit::kVProcessStatusEnded);
return;
}
const int32_t textureSize = (int32_t)pTI->GetSize();
EA::Internal::IGlyphTextureInfo gti;
EA::Internal::GlyphMetrics glyphMetrics;
GlyphDrawInfoArray gdiArray((size_t)(unsigned)glyphCount);
// Walk through the list of glyphs and build up render info for each one.
for (int i = 0; i < glyphCount; i++)
{
EA::Internal::GlyphId g = glyphs[i];
if(!pFont->GetGlyphMetrics(g, glyphMetrics))
{
EAW_ASSERT_MSG(false, "Font::drawGlyphs: invalid glyph/Font combo.");
pFont->GetGlyphIds(L"?", 1, &g, true);
pFont->GetGlyphMetrics(g, glyphMetrics);
}
if(!pGlyphCache->GetGlyphTextureInfo(pFont, g, gti))
{
const EA::Internal::GlyphBitmap* pGlyphBitmap;
if(pFont->RenderGlyphBitmap(&pGlyphBitmap, g))
{
if(pGlyphCache->AddGlyphTexture(pFont, g, pGlyphBitmap->mpData, pGlyphBitmap->mnWidth, pGlyphBitmap->mnHeight,
pGlyphBitmap->mnStride, (uint32_t)pGlyphBitmap->mBitmapFormat, gti))
{
pGlyphCache->EndUpdate(gti.mpTextureInfo);
}
else
{
EAW_ASSERT_MSG(false, "Font::drawGlyphs: AddGlyphTexture failed.");
gti.mX1 = gti.mX2 = 0; // Make this an empty glyph. Normally this should never execute.
}
pFont->DoneGlyphBitmap(pGlyphBitmap);
}
else
{
EAW_ASSERT_MSG(false, "Font::drawGlyphs: invalid glyph/Font combo.");
gti.mX1 = gti.mX2 = 0; // Make this an empty glyph. Normally this should never execute.
}
}
// Apply kerning.
// Note by Paul Pedriana: Can we really apply kerning here at the render stage without it looking
// wrong? It seems to me this cannot work unless kerning is also taken into account at the
// layout stage. To do: See if in fact kerning is taken into account at the layout stage.
EA::Internal::Kerning kerning;
if((i > 0) && pFont->GetKerning(glyphs[i - 1], g, kerning, 0))
offset += kerning.mfKernX;
// The values we calculate here are relative to the current pen position at the
// baseline position of [xoffset, 0], where +X is rightward and +Y is upward.
gdiArray[i].x1 = (int)(offset + glyphMetrics.mfHBearingX);
gdiArray[i].x2 = (int)(offset + glyphMetrics.mfHBearingX + glyphMetrics.mfSizeX);
gdiArray[i].y1 = (int)(glyphMetrics.mfHBearingY);
gdiArray[i].y2 = (int)(glyphMetrics.mfHBearingY - glyphMetrics.mfSizeY);
gdiArray[i].tx = (int)(gti.mX1 * textureSize); // Convert [0..1] to [0..textureSize]
gdiArray[i].ty = (int)(gti.mY1 * textureSize);
// advanceAt should return a value that is usually equivalent to glyphMetrics.mfHAdvanceX, at least
// for most simple Western text. A case where it would be different would be Arabic combining glyphs,
// and custom kerning, though kerning adjustments are handled above.
offset += glyphBuffer.advanceAt(glyphIndexBegin + i);
// Free wrapper
if(gti.mpTextureInfo)
gti.mpTextureInfo->DestroyWrapper();
}
// Find the X and Y minima and maxima of the glyph boxes.
// To do: We can improve the efficiency of this code in a couple of ways, including moving the
// min/max tests up into the glyphMetrics code above.
int xMin = gdiArray[0].x1;
int xMax = gdiArray[0].x2;
int yMin = gdiArray[0].y2; // y2 is min because y goes upward.
int yMax = gdiArray[0].y1;
for (GlyphDrawInfoArray::const_iterator it = gdiArray.begin(); it != gdiArray.end(); ++it)
{
const GlyphDrawInfo& gdi = *it;
// We assume tha x1 is always <= x2.
if (gdi.x1 < xMin)
xMin = gdi.x1;
if (gdi.x2 > xMax)
xMax = gdi.x2;
// if (gdi.y1 < yMin) // We normally don't need this check, because y2 will usually (or always?) be less than y1.
// yMin = gdi.y1;
if (gdi.y2 < yMin)
yMin = gdi.y2;
if (gdi.y1 > yMax)
yMax = gdi.y1;
// if (gdi.y2 > yMax) // We normally don't need this check, because y1 will usually (or always?) be greater than y2.
// yMax = gdi.y2;
}
const uint16_t destWidth = (abs(xMin) + xMax); // abs(xMin) because it's possible the left of the first glyph is to the left of the origin. Note by Paul Pedriana: Shouldn't this instead be (xMax - min(xMin, 0))?
const uint16_t destHeight = (yMax - yMin);
if(destWidth && destHeight) // (If we are drawing just space chars (which often happens), then destWidth and/or destHeight will be zero)
{
// Question by Paul Pedriana: What is the following code doing? I copied this from the
// WebKit Freetype equivalent of this function assuming it must be useful. It seems to
// me that it is chopping off any glyph pixels to the left of zero. This is probably
// going to usually be OK, because it is abnormal for the first char of just about any
// written language to be a combining char (and thus drawn to the left of the pen position).
if (gdiArray[0].x1 < 0)
{
x_offset = gdiArray[0].x1;
gdiArray[0].x1 = 0;
}
EA::Raster::Surface* const pSurface = pGraphicsContext->platformContext();
const Color penColor = pGraphicsContext->fillColor();
// Write the glyphs into a linear buffer.
// To consider: See if it's possible to often get away with using stack space for this by
// using Vector<uint32_t, N> in order to avoid a memory allocation. A typical
// width is ~400 pixels and a typical height ~16 pixels, which is 25600 bytes.
// So unless the string is small there won't be any benefit to this.
Vector<uint32_t> glyphRGBABuffer(destWidth * destHeight);
const int penA = penColor.alpha();
const int penR = penColor.red();
const int penG = penColor.green();
const int penB = penColor.blue();
const int penRGB = (penR << 16) | (penG << 8) | penB;
glyphRGBABuffer.fill(0);
for (int i = 0; i < glyphCount; i++)
{
const GlyphDrawInfo& gdi = gdiArray[i];
const uint8_t* pGlyphAlpha = (pTI->GetData()) + (gdi.ty * pTI->GetStride()) + gdi.tx;
const int yOffset = (destHeight + yMin) - gdi.y1;
// Note by Arpit Baldeva: Old index calculation below caused a memory overrun(or I should say underrun on http://get.adobe.com/flashplayer/).
// Basically, yOffset * destWidth) + gdi.x1 could end up being negative if the yOffset is 0 and gdi.x1 is negative. Since I do want
// to make sure that index is positive, I just force it to be at least 0. There is not enough understanding about this code as of now
// and Paul said that he would take a look at this along with other Font problems he is currently looking at.
const int bufferIndex = (yOffset * destWidth) + gdi.x1;
EAW_ASSERT_FORMATTED(bufferIndex>=0, "Buffer Index is negative. This would corrupt memory. yOffset:%d,destWidth:%u,gdi.x1:%d",yOffset,destWidth,gdi.x1);
uint32_t* pDestColor = glyphRGBABuffer.data() + (bufferIndex >= 0 ? bufferIndex : 0);//Old Index calculation- (yOffset * destWidth) + gdi.x1;
const int glyphWidth = (gdi.x2 - gdi.x1);
const int glyphHeight = (gdi.y1 - gdi.y2);
for (int y = 0; y < glyphHeight; ++y)
{
for (int x = 0; x < glyphWidth; ++x)
{
//+ 1/5/10 CSidhall - When building the text string texture map, kerning can make certain letters overlap and stomp over the alpha of previous letters so
// we need to preserve texels that were aleady set. Should be able to OR herer because we have a clean buffer and penRGB is the same.
// Old code:
// pDestColor[x] = ((penA * pGlyphAlpha[x] / 255) << 24) | penRGB;
// New code:
pDestColor[x] |= ((penA * pGlyphAlpha[x] / 255) << 24) | penRGB;
// -CS
}
pDestColor += destWidth;
pGlyphAlpha += pTI->GetStride();
}
}
// It would probably be faster if we kept around a surface for multiple usage instead of
// continually recreating this one.
EA::Raster::Surface* const pGlyphSurface = EA::Raster::CreateSurface((void*)glyphRGBABuffer.data(), destWidth, destHeight, destWidth * 4, EA::Raster::kPixelFormatTypeARGB, false, false);
EA::Raster::Rect rectSrc;
EA::Raster::Rect rectDest;
rectSrc.w = destWidth;
rectSrc.h = destHeight;
rectSrc.x = 0;
rectSrc.y = 0;
rectDest.x = (int)point.x() + x_offset + pGraphicsContext->origin().width();
rectDest.y = (int)point.y() - yMax + pGraphicsContext->origin().height();
if (pGraphicsContext->transparencyLayer() == 1.0)
EA::Raster::Blit(pGlyphSurface, &rectSrc, pSurface, &rectDest);
else
{
const float fTransparency = pGraphicsContext->transparencyLayer();
EA::Raster::Surface* const pSurfaceWithAlpha = EA::Raster::CreateTransparentSurface(pGlyphSurface, (int)(fTransparency * 255));
EA::Raster::Blit(pSurfaceWithAlpha, &rectSrc, pSurface, &rectDest);
EA::Raster::DestroySurface(pSurfaceWithAlpha);
}
EA::Raster::DestroySurface(pGlyphSurface);
}
pTI->DestroyWrapper();
NOTIFY_PROCESS_STATUS(EA::WebKit::kVProcessTypeDrawGlyph, EA::WebKit::kVProcessStatusEnded);
}
