28272 2009-08-13 12:08:47 -0700 WINCE PORT: graphics files only for WINCE 2010-11-03 07:41:02 -0700 1 1 1 Unclassified WebKit Platform 528+ (Nightly build) Other Other RESOLVED FIXED P2 Normal --- 27511 37440 1 yong.li.webkit paroga aroben joybro201 manyoso skyul staikos webkit.review.bot oldest_to_newest 139962 0 yong.li.webkit 2009-08-13 12:08:47 -0700 derived from 27511 because there are too many comments in there. patches are going to be post soon 139972 1 34768 yong.li.webkit 2009-08-13 12:28:35 -0700 Created attachment 34768 1) SharedBitmap createInstance() should be changed to create(). But this needs modifications on some landed files. Can we do this afterward? 139973 2 34769 yong.li.webkit 2009-08-13 12:29:47 -0700 Created attachment 34769 2) ImageWince.cpp implement some platform-specific BitmapImage methods. 144095 3 34768 abarth 2009-09-01 18:45:06 -0700 Comment on attachment 34768 1) SharedBitmap + BitmapMap g_bitmapMap Static initializers are forbidden. + int discardBitmapHandles() Functions like this should be static. + SharedBitmap::SharedBitmap + SharedBitmap::SharedBitmap Initializer list as wrong indent. + SharedBitmap::~SharedBitmap Missing blank line before this function. + delete[] m_pixels Why not OwnArray? + memset(m_pixels, 0, bufferSize * (is16bit() ? 2 : 4)); Size calculation should be factored into an separate function. + void _clear() This and its ilk are improper style. + explicit SharedBitmap The explicit keyword is needed only for one-argument constructors. 144097 4 34769 abarth 2009-09-01 18:49:21 -0700 Comment on attachment 34769 2) ImageWince.cpp + static inline int stableRound Why is this function WINCE specific? + PassRefPtr<WebCore::SharedBuffer> loadResourceIntoBuffer(const char* name); Why are we declaring a function in a cpp file? Also, these things should be happening in the WebCore namespace. Aside from these minor issues, this patch actually looks somewhat reasonable. I'm not a graphics expert, however. 144098 5 yong.li.webkit 2009-09-01 18:51:12 -0700 (In reply to comment #3) > (From update of attachment 34768 [details]) > + BitmapMap g_bitmapMap > > Static initializers are forbidden. Forbidden by you? > > + int discardBitmapHandles() > > Functions like this should be static. it's supposed to be called from outside 212209 6 53310 skyul 2010-04-13 21:31:35 -0700 Created attachment 53310 1) SharedBitmap Change g_drawPattern and g_drawImage to s_drawPattern and s_drawImage respectively. Change g_dcProvider to s_dcProvider ane make it static as it is not used elsewhere. Change g_bitmapMap to bitmapMap function as static initializers are forbidden. Use AffineTransform instead of TransformationMatrix. Change methods names which start with underscore: _clear -> clearInternal, _set -> setInternal. Remove explicit keyword from SharedBitmap constructors as they take multiple arguments. Indent initializer list properly. Use C++ style casts. Fix other miscellaneous style errors. 240352 7 53310 tkent 2010-06-19 09:29:54 -0700 Comment on attachment 53310 1) SharedBitmap WebCore/platform/graphics/wince/SharedBitmap.cpp:86 + PassRefPtr<SharedBitmap> SharedBitmap::createInstance(bool is16bit, int w, int h, bool initPixels) One letter variable names are not good. WebCore/platform/graphics/wince/SharedBitmap.cpp:88 + SharedBitmap* rtn = new SharedBitmap(is16bit, w, h, initPixels); "rtn" is not good name. resultantBitmap? WebCore/platform/graphics/wince/SharedBitmap.cpp:109 + SharedBitmap::SharedBitmap(bool _is16bit, int w, int h, bool initPixels) _is16bit should be is16bit. w and h should be width and height. WebCore/platform/graphics/wince/SharedBitmap.cpp:143 + if (m_pixels) { We prefer early exit in WebKit. So this should be: if (!m_pixels) return; WebCore/platform/graphics/wince/SharedBitmap.cpp:246 + HBITMAP SharedBitmap::createHandle(void** pixels, BitmapInfo* bmpInfo, int h, bool use16bit) const One letter variable name is not good. 276571 8 67058 paroga 2010-09-09 10:51:07 -0700 Created attachment 67058 2) ImageWinCE.cpp 276578 9 webkit.review.bot 2010-09-09 10:53:54 -0700 Attachment 67058 did not pass style-queue: Failed to run "['WebKitTools/Scripts/check-webkit-style']" exit_code: 1 WebCore/platform/graphics/wince/ImageWinCE.cpp:40: Alphabetical sorting problem. [build/include_order] [4] Total errors found: 1 in 2 files If any of these errors are false positives, please file a bug against check-webkit-style. 278976 10 67058 aroben 2010-09-14 09:39:06 -0700 Comment on attachment 67058 2) ImageWinCE.cpp View in context: https://bugs.webkit.org/attachment.cgi?id=67058&action=prettypatch > WebCore/platform/graphics/wince/ImageWinCE.cpp:46 > + NativeImagePtr ret = SharedBitmap::createInstance(false, width(), height(), false); A non-abbreviated variable name (like "image") would be better. > WebCore/platform/graphics/wince/ImageWinCE.cpp:100 > + if (bmp && bmp->height() == (size_t)srcSize.height() && bmp->width() == (size_t)srcSize.width()) { I suggest using an early-continue and static_cast/ > WebCore/platform/graphics/wince/ImageWinCE.cpp:125 > + RefPtr<SharedBitmap> bmp = frameAtIndex(m_currentFrame); > + if (mayFillWithSolidColor()) > + fillWithSolidColor(ctxt, dstRect, solidColor(), styleColorSpace, compositeOp); > + else { > + IntRect intSrcRect(srcRectIn); > + > + if (bmp->width() != m_source.size().width()) { It looks like bmp is only used in the else case. Can it be declared inside the else? > WebCore/platform/graphics/wince/ImageWinCE.cpp:126 > + double rate = (double)bmp->width() / m_source.size().width(); static_cast would be better. "scaleFactor" seems like a better name than "rate". > WebCore/platform/graphics/wince/ImageWinCE.cpp:129 > + int temp = stableRound(srcRectIn.right() * rate); > + intSrcRect.setX(stableRound(srcRectIn.x() * rate)); > + intSrcRect.setWidth(temp - intSrcRect.x()); Why is temp needed? Can't you do this instead? intSrcRect.setWidth(stableRound(srcRectIn.width() * rate)); > WebCore/platform/graphics/wince/ImageWinCE.cpp:132 > + temp = stableRound(srcRectIn.bottom() * rate); > + intSrcRect.setY(stableRound(srcRectIn.y() * rate)); > + intSrcRect.setHeight(temp - intSrcRect.y()); Same question here. > WebCore/platform/graphics/wince/ImageWinCE.cpp:151 > + RefPtr<SharedBitmap> bmp = nativeImageForCurrentFrame(); > + if (bmp) > + bmp->drawPattern(ctxt, tileRectIn, patternTransform, phase, styleColorSpace, op, destRect, m_source.size()); An early return would be nicer here. > WebCore/platform/graphics/wince/ImageWinCE.cpp:171 > + if (bmp->width() == 1 && bmp->validHeight() == 1) { I think this would be cleaner if you reversed the condition and used an early return. > WebCore/platform/graphics/wince/ImageWinCE.cpp:175 > + unsigned short c = ((unsigned short *)bmp->bytes())[0]; reinterpret_cast would be better. > WebCore/platform/graphics/wince/ImageWinCE.cpp:184 > + unsigned c = ((unsigned *)bmp->bytes())[0]; reinterpret_cast would be better. The code looks fine, but you should consider these comments. 280124 11 67058 paroga 2010-09-16 09:00:20 -0700 Comment on attachment 67058 2) ImageWinCE.cpp Clearing flags on attachment: 67058 Committed r67624: <http://trac.webkit.org/changeset/67624> 298374 12 71636 paroga 2010-10-23 05:43:26 -0700 Created attachment 71636 1) SharedBitmap There are some parts of uncool code in the patch: E.g: HDC SharedBitmap::DCProvider::getDC(SharedBitmap* bmp, unsigned* key1, unsigned* key2) I'd like to commit the patch as it is at the moment, because many code in the other WinCE files require this constructs. E.g: ScopeDCProvider in GraphicsContextWinCE If it's ok, I want to clean this up in further patches, so we can see the codechanges of the already comitted code in context with the other changes. 298375 13 webkit.review.bot 2010-10-23 05:46:00 -0700 Attachment 71636 did not pass style-queue: Failed to run "['WebKitTools/Scripts/check-webkit-style']" exit_code: 1 WebCore/platform/graphics/wince/SharedBitmap.h:30: Alphabetical sorting problem. [build/include_order] [4] WebCore/platform/graphics/wince/SharedBitmap.h:145: Could not find a newline character at the end of the file. [whitespace/ending_newline] [5] WebCore/platform/graphics/wince/SharedBitmap.cpp:31: Alphabetical sorting problem. [build/include_order] [4] WebCore/platform/graphics/wince/SharedBitmap.cpp:33: Alphabetical sorting problem. [build/include_order] [4] Total errors found: 4 in 3 files If any of these errors are false positives, please file a bug against check-webkit-style. 300134 14 71636 aroben 2010-10-27 05:06:49 -0700 Comment on attachment 71636 1) SharedBitmap Can this class be unified with ImageBuffer? It seems to me they serve essentially the same purpose, i.e., providing some memory into which you can draw. 300139 15 paroga 2010-10-27 05:13:59 -0700 (In reply to comment #14) > (From update of attachment 71636 [details]) > Can this class be unified with ImageBuffer? It seems to me they serve essentially the same purpose, i.e., providing some memory into which you can draw. I don't think so, because SharedBitmap works on top of HBITMAP. 300141 16 aroben 2010-10-27 05:20:19 -0700 (In reply to comment #15) > (In reply to comment #14) > > (From update of attachment 71636 [details] [details]) > > Can this class be unified with ImageBuffer? It seems to me they serve essentially the same purpose, i.e., providing some memory into which you can draw. > I don't think so, because SharedBitmap works on top of HBITMAP. Presumably ImageBuffer would, too. I don't know how ImageBuffer is implemented currently on WinCE. But it should just wrap an HBITMAP. You'll need this for things like <canvas> anyway. 300232 17 yong.li.webkit 2010-10-27 08:12:43 -0700 (In reply to comment #16) > (In reply to comment #15) > > (In reply to comment #14) > > > (From update of attachment 71636 [details] [details] [details]) > > > Can this class be unified with ImageBuffer? It seems to me they serve essentially the same purpose, i.e., providing some memory into which you can draw. > > I don't think so, because SharedBitmap works on top of HBITMAP. > Presumably ImageBuffer would, too. I don't know how ImageBuffer is implemented currently on WinCE. But it should just wrap an HBITMAP. You'll need this for things like <canvas> anyway. ImageBuffer uses SharedBitmap. SharedBitmap is a helper class for HBITMAP 302930 18 aroben 2010-11-01 14:19:11 -0700 (In reply to comment #17) > (In reply to comment #16) > > (In reply to comment #15) > > > (In reply to comment #14) > > > > (From update of attachment 71636 [details] [details] [details] [details]) > > > > Can this class be unified with ImageBuffer? It seems to me they serve essentially the same purpose, i.e., providing some memory into which you can draw. > > > I don't think so, because SharedBitmap works on top of HBITMAP. > > Presumably ImageBuffer would, too. I don't know how ImageBuffer is implemented currently on WinCE. But it should just wrap an HBITMAP. You'll need this for things like <canvas> anyway. > > ImageBuffer uses SharedBitmap. SharedBitmap is a helper class for HBITMAP I guess what I really mean is that the code seems misplaced. A class named "SharedBitmap" sounds like it would be just that: a ref-counted wrapper around an HBITMAP. But this class is a lot more than that. If you try to rename the class to reflect this, you start coming up with names like GraphicsContext and ImageBuffer. Which makes me wonder: why is this code not in those classes directly? Why is his helper class needed at all? It seems like it's adding an unnecessary extra layer to the already-complicated graphics code. 302955 19 71636 aroben 2010-11-01 14:47:31 -0700 Comment on attachment 71636 1) SharedBitmap View in context: https://bugs.webkit.org/attachment.cgi?id=71636&action=review > WebCore/platform/graphics/wince/SharedBitmap.cpp:49 > + SharedBitmap* resultantBitmap = new SharedBitmap(size, bitCount, initPixels); > + if (resultantBitmap && !resultantBitmap->bytes()) { > + delete resultantBitmap; > + return 0; > + } > + return adoptRef(resultantBitmap); This should be: RefPtr<SharedBitmap> resultantBitmap = adoptRef(new ...); if (...) return 0; return resultantBitmap.release(); > WebCore/platform/graphics/wince/SharedBitmap.cpp:59 > + PassRefPtr<SharedBitmap> result = create(size, BitmapInfo::BitCount32, false); > + if (result) { > + memcpy(result->bytes(), data.data(), data.size() * sizeof(unsigned)); > + result->setHasAlpha(hasAlpha); > + } > + return result; result should be a RefPtr and you should return result.release(). > WebCore/platform/graphics/wince/SharedBitmap.cpp:62 > +SharedBitmap::SharedBitmap(const BitmapInfo& bmpInfo, HBITMAP hbmp, void* pixels) This constructor doesn't seem to be used. > WebCore/platform/graphics/wince/SharedBitmap.cpp:79 > + , m_reference(1) This member doesn't seem to be used. > WebCore/platform/graphics/wince/SharedBitmap.cpp:111 > + if (m_hbitmap) > + DeleteObject(m_hbitmap); > + else > + delete[] m_pixels; Using OwnPtr/OwnArrayPtr would be better. > WebCore/platform/graphics/wince/SharedBitmap.cpp:165 > + unsigned short* p16 = reinterpret_cast<unsigned short*>(newPixels); > + const unsigned* p32 = reinterpret_cast<const unsigned*>(m_pixels); static_cast should work here. > WebCore/platform/graphics/wince/SharedBitmap.cpp:167 > + const bool skips = paddedWidth != width; We don't normally mark locals const like this. > WebCore/platform/graphics/wince/SharedBitmap.cpp:169 > + const unsigned short* const p16end = p16 + bufferSize; ...or this (second const). > WebCore/platform/graphics/wince/SharedBitmap.cpp:288 > + if (!hbitmap) { An early-return would be better. > WebCore/platform/graphics/wince/SharedBitmap.cpp:296 > + StretchDIBits(hdc, dstRect.x(), dstRect.y(), dstRect.width(), dstRect.height() > + , srcRect.x(), srcRect.y(), srcRect.width(), srcRect.height(), m_pixels, &m_bmpInfo, DIB_RGB_COLORS, rop); This comma should be on the previous line. > WebCore/platform/graphics/wince/SharedBitmap.cpp:304 > + bool success = alphaBlendIfSupported(hdc, dstRect.x(), dstRect.y(), dstRect.width(), dstRect.height(), hmemdc.get() > + , srcRect.x(), srcRect.y(), srcRect.width(), srcRect.height(), blend); and this one > WebCore/platform/graphics/wince/SharedBitmap.cpp:308 > + TransparentBlt(hdc, dstRect.x(), dstRect.y(), dstRect.width(), dstRect.height(), hmemdc.get() > + , srcRect.x(), srcRect.y(), srcRect.width(), srcRect.height(), transparentColor()); and this one > WebCore/platform/graphics/wince/SharedBitmap.cpp:331 > + if (newBmp) { An early-return would be better. > WebCore/platform/graphics/wince/SharedBitmap.cpp:336 > + StretchDIBits(dcNew.get(), 0, 0, copyWidth, copyHeight, rect.x(), rect.y(), copyWidth, copyHeight > + , bytes(), &bitmapInfo(), DIB_RGB_COLORS, SRCCOPY); and this one > WebCore/platform/graphics/wince/SharedBitmap.cpp:353 > + PassRefPtr<SharedBitmap> newBmp = create(IntSize(copyWidth, copyHeight), useAlpha && is32bit() ? BitmapInfo::BitCount32 : BitmapInfo::BitCount16, false); This should be a RefPtr and you should return newBmp.release(). > WebCore/platform/graphics/wince/SharedBitmap.cpp:361 > + StretchDIBits(dcNew.get(), 0, 0, copyWidth, copyHeight, rect.x(), rect.y(), copyWidth, copyHeight > + , bytes(), &bitmapInfo(), DIB_RGB_COLORS, SRCCOPY); Comma should be on the previous line. > WebCore/platform/graphics/wince/SharedBitmap.cpp:369 > + if (hBrush) { Early-return would be better. Do we really need the null-check at all? > WebCore/platform/graphics/wince/SharedBitmap.cpp:388 > + StretchDIBits(hdc, dstX, dstY, sourceW, sourceH, sourceX, sourceY, sourceW, sourceH > + , bmp->bytes(), &bmp->bitmapInfo(), DIB_RGB_COLORS, SRCCOPY); Comma should be on the previous line. > WebCore/platform/graphics/wince/SharedBitmap.cpp:521 > + { Why is this extra scope needed? > WebCore/platform/graphics/wince/SharedBitmap.cpp:536 > + if (hbmpTemp) { Early-return would be better. > WebCore/platform/graphics/wince/SharedBitmap.cpp:574 > + bool success = alphaBlendIfSupported(hdc, dstRectWin.left, dstRectWin.top, dstRectWin.right - dstRectWin.left, dstRectWin.bottom - dstRectWin.top > + , hmemdc.get(), 0, 0, srcRectWin.right, srcRectWin.bottom, blend); > + ASSERT_UNUSED(success, success); > + } else if (useAlpha && !hasAlphaBlendSupport() || op == CompositeSourceOver && usesTransparentColor()) > + TransparentBlt(hdc, dstRectWin.left, dstRectWin.top, dstRectWin.right - dstRectWin.left > + , dstRectWin.bottom - dstRectWin.top, hmemdc.get(), 0, 0, srcRectWin.right, srcRectWin.bottom, transparentColor()); > + else { > + DWORD bmpOp = op == CompositeCopy ? SRCCOPY > + : op == CompositeSourceOver ? SRCCOPY > + : op == CompositeXOR ? PATINVERT > + : op == CompositeClear ? WHITENESS > + : SRCCOPY; // FIXEME: other types? > + > + StretchDIBits(hdc, dstRectWin.left, dstRectWin.top, dstRectWin.right - dstRectWin.left > + , dstRectWin.bottom - dstRectWin.top, 0, 0, srcRectWin.right, srcRectWin.bottom > + , pixels, &bmpInfo, DIB_RGB_COLORS, bmpOp); Please fix the leading commas. > WebCore/platform/graphics/wince/SharedBitmap.cpp:582 > +SharedBitmap::DCProvider s_dcProvider; > +SharedBitmap::DCProvider* SharedBitmap::m_dcProvider = &s_dcProvider; Why is the s_dcProvider needed? Why not just do m_dcProvider = new DCProvider? The current s_dcProvider should be marked static if it needs to stay. m_dcProvider should be named s_dcProvider. > WebCore/platform/graphics/wince/SharedBitmap.cpp:584 > +HDC SharedBitmap::DCProvider::getDC(SharedBitmap* bmp, unsigned* key1, unsigned* key2) Why do we have key2 if it's never used? > WebCore/platform/graphics/wince/SharedBitmap.cpp:590 > + if (hdc) { Early-return would be better. Is the null-check really needed? > WebCore/platform/graphics/wince/SharedBitmap.h:44 > + virtual ~SharedBitmap(); Why is this virtual? > WebCore/platform/graphics/wince/SharedBitmap.h:146 > +#endif // SharedBitmap_h > \ No newline at end of file Please add a newline. 303086 20 72602 paroga 2010-11-01 16:59:17 -0700 Created attachment 72602 1) SharedBitmap 303089 21 72603 paroga 2010-11-01 17:01:36 -0700 Created attachment 72603 1) SharedBitmap 303090 22 webkit.review.bot 2010-11-01 17:02:12 -0700 Attachment 72602 did not pass style-queue: Failed to run "['WebKitTools/Scripts/check-webkit-style']" exit_code: 1 WebCore/platform/graphics/wince/SharedBitmap.h:28: Alphabetical sorting problem. [build/include_order] [4] WebCore/platform/graphics/wince/SharedBitmap.h:31: Alphabetical sorting problem. [build/include_order] [4] WebCore/platform/graphics/wince/SharedBitmap.h:144: Could not find a newline character at the end of the file. [whitespace/ending_newline] [5] WebCore/platform/graphics/wince/SharedBitmap.cpp:31: Alphabetical sorting problem. [build/include_order] [4] WebCore/platform/graphics/wince/SharedBitmap.cpp:33: Alphabetical sorting problem. [build/include_order] [4] Total errors found: 5 in 3 files If any of these errors are false positives, please file a bug against check-webkit-style. 303091 23 webkit.review.bot 2010-11-01 17:03:19 -0700 Attachment 72603 did not pass style-queue: Failed to run "['WebKitTools/Scripts/check-webkit-style']" exit_code: 1 WebCore/platform/graphics/wince/SharedBitmap.h:28: Alphabetical sorting problem. [build/include_order] [4] WebCore/platform/graphics/wince/SharedBitmap.h:31: Alphabetical sorting problem. [build/include_order] [4] WebCore/platform/graphics/wince/SharedBitmap.cpp:31: Alphabetical sorting problem. [build/include_order] [4] WebCore/platform/graphics/wince/SharedBitmap.cpp:33: Alphabetical sorting problem. [build/include_order] [4] Total errors found: 4 in 3 files If any of these errors are false positives, please file a bug against check-webkit-style. 303974 24 aroben 2010-11-03 04:22:19 -0700 (In reply to comment #23) > Attachment 72603 [details] did not pass style-queue: > > Failed to run "['WebKitTools/Scripts/check-webkit-style']" exit_code: 1 > WebCore/platform/graphics/wince/SharedBitmap.h:28: Alphabetical sorting problem. [build/include_order] [4] > WebCore/platform/graphics/wince/SharedBitmap.h:31: Alphabetical sorting problem. [build/include_order] [4] > WebCore/platform/graphics/wince/SharedBitmap.cpp:31: Alphabetical sorting problem. [build/include_order] [4] > WebCore/platform/graphics/wince/SharedBitmap.cpp:33: Alphabetical sorting problem. [build/include_order] [4] > Total errors found: 4 in 3 files > > > If any of these errors are false positives, please file a bug against check-webkit-style. You should fix these style errors. You can run check-webkit-style yourself from the command line: check-webkit-style file1 file2... 303979 25 72603 aroben 2010-11-03 04:36:52 -0700 Comment on attachment 72603 1) SharedBitmap View in context: https://bugs.webkit.org/attachment.cgi?id=72603&action=review I think this is worth one more pass. > WebCore/platform/graphics/wince/SharedBitmap.cpp:47 > + return resultantBitmap; This should be: return resultantBitmap.release(); > WebCore/platform/graphics/wince/SharedBitmap.cpp:57 > + return result; Ditto. By using RefPtr::release you save an extra ref/deref. > WebCore/platform/graphics/wince/SharedBitmap.cpp:92 > + if (m_hbitmap) > + DeleteObject(m_hbitmap); I still think it would be good to use an OwnPtr for m_hbitmap. > WebCore/platform/graphics/wince/SharedBitmap.cpp:109 > + wmemset(reinterpret_cast<wchar_t*>(m_pixels), 0xFFFF, bufferSize); static_cast should work fine here. > WebCore/platform/graphics/wince/SharedBitmap.cpp:114 > + unsigned* pixel = reinterpret_cast<unsigned*>(m_pixels); And here. > WebCore/platform/graphics/wince/SharedBitmap.cpp:115 > + const unsigned* const bufferEnd = pixel + bufferSize; I think you can omit the second const here, to match standard WebKit style. > WebCore/platform/graphics/wince/SharedBitmap.cpp:164 > + m_pixelData.swap(newPixelData); Another way to write this: m_pixelData = newPixelData.release(); I don't think one way is clearly better than the other. > WebCore/platform/graphics/wince/SharedBitmap.cpp:194 > +HBITMAP SharedBitmap::createHandle(void** pixels, BitmapInfo* bmpInfo, int height, bool use16bit) const This should return a PassOwnPtr<HBITMAP>. You can do this even if you don't make m_hbitmap an OwnPtr. > WebCore/platform/graphics/wince/SharedBitmap.cpp:203 > + HBITMAP hbmp = CreateDIBSection(0, bmpInfo, DIB_RGB_COLORS, pixels, 0, 0); This should be an OwnPtr. Then you can return hbmp.release() at the end. > WebCore/platform/graphics/wince/SharedBitmap.cpp:292 > + } else > + TransparentBlt(hdc, dstRect.x(), dstRect.y(), dstRect.width(), dstRect.height(), hmemdc.get(), > + srcRect.x(), srcRect.y(), srcRect.width(), srcRect.height(), transparentColor()); You should use braces around the body of the else because it is more than one line (even though it's only a single statement). > WebCore/platform/graphics/wince/SharedBitmap.cpp:351 > + HBRUSH hBrush = CreatePatternBrush(hbmp); You could use an OwnPtr for this. > WebCore/platform/graphics/wince/SharedBitmap.cpp:383 > +static void normalizePhase(LONG& phase, int limit) Since this uses an out-parameter, it should have a name like "getNormalizedPhase". But why does it use an out-parameter? A return value seems better. That would let you shorten this function quite a bit. > WebCore/platform/graphics/wince/SharedBitmap.cpp:489 > + RECT dstRectWin = > + { The brace should be on the previous line. > WebCore/platform/graphics/wince/SharedBitmap.cpp:549 > + } else if (useAlpha && !hasAlphaBlendSupport() || op == CompositeSourceOver && usesTransparentColor()) > + TransparentBlt(hdc, dstRectWin.left, dstRectWin.top, dstRectWin.right - dstRectWin.left, > + dstRectWin.bottom - dstRectWin.top, hmemdc.get(), 0, 0, srcRectWin.right, srcRectWin.bottom, transparentColor()); > + else { Need braces here. > WebCore/platform/graphics/wince/SharedBitmap.cpp:565 > +HDC SharedBitmap::DCProvider::getDC(SharedBitmap* bmp, unsigned* key1) key1 could just be key now. Maybe this function should return an OwnPtr<HDC>... > WebCore/platform/graphics/wince/SharedBitmap.cpp:582 > +void SharedBitmap::DCProvider::releaseDC(SharedBitmap*, HDC hdc, unsigned key1) ...and this function should take a PassOwnPtr<HDC>? > WebCore/platform/graphics/wince/SharedBitmap.cpp:600 > + unsigned short* dst = reinterpret_cast<unsigned short*>(m_pixels); static_cast should be fine here. > WebCore/platform/graphics/wince/SharedBitmap.cpp:612 > + unsigned* dst = reinterpret_cast<unsigned*>(m_pixels); static_cast should be fine here. > WebCore/platform/graphics/wince/SharedBitmap.h:35 > +enum CompositeOperator; Foroward-declaring enums doesn't normally work. Is this declaration really helping? 303984 26 72813 paroga 2010-11-03 05:26:35 -0700 Created attachment 72813 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=72603&action=review >> WebCore/platform/graphics/wince/SharedBitmap.cpp:57 >> + return result; > > Ditto. > > By using RefPtr::release you save an extra ref/deref. Ohh, good to know. >> WebCore/platform/graphics/wince/SharedBitmap.cpp:92 >> + DeleteObject(m_hbitmap); > > I still think it would be good to use an OwnPtr for m_hbitmap. Upps, missed this point. >> WebCore/platform/graphics/wince/SharedBitmap.cpp:565 >> +HDC SharedBitmap::DCProvider::getDC(SharedBitmap* bmp, unsigned* key1) > > key1 could just be key now. > > Maybe this function should return an OwnPtr<HDC>... They do nearly the same as GraphicsContext::getWindowsContext(). Maybe we should change them too? 303997 27 72813 aroben 2010-11-03 06:15:08 -0700 Comment on attachment 72813 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=72813&action=review > WebCore/platform/graphics/wince/SharedBitmap.cpp:54 > + if (result) { This could be an early return instead. > WebCore/platform/graphics/wince/SharedBitmap.cpp:79 > + m_pixelData.set(new unsigned[bufferSize]); I think the more modern way to do this is: m_pixelData = adoptArrayPtr(new unsigned[bufferSize]); > WebCore/platform/graphics/wince/SharedBitmap.cpp:176 > + m_hbitmap.clear(); Some people have started to use: m_hbitmap = nullptr; I don't know if that's the recommended style for all new code. > WebCore/platform/graphics/wince/SharedBitmap.cpp:199 > + OwnPtr<HBITMAP> hbmp(CreateDIBSection(0, bmpInfo, DIB_RGB_COLORS, pixels, 0, 0)); You could write this as: OwnPtr<HBITMAP> hbmp = adoptPtr(CreateDIBSection(...)); I don't know whether that's the recommended style for all new code. I find it slightly more readable. > WebCore/platform/graphics/wince/SharedBitmap.cpp:296 > +HBITMAP SharedBitmap::clipBitmap(const IntRect& rect, bool useAlpha, BitmapInfo& bmpInfo, void*& pixels) This could return a PassOwnPtr<HBITMAP>. > WebCore/platform/graphics/wince/SharedBitmap.cpp:309 > + HBITMAP newBmp = CreateDIBSection(0, &bmpInfo, DIB_RGB_COLORS, &pixels, 0, 0); ...and you could store this in an OwnPtr. > WebCore/platform/graphics/wince/SharedBitmap.cpp:343 > + return newBmp; This should be: return newBmp.release(); > WebCore/platform/graphics/wince/SharedBitmap.h:146 > +#endif // SharedBitmap_h > \ No newline at end of file You should add a newline. 304018 28 72819 paroga 2010-11-03 07:07:10 -0700 Created attachment 72819 1) SharedBitmap Added GraphicsContext changes 304020 29 72819 aroben 2010-11-03 07:11:22 -0700 Comment on attachment 72819 1) SharedBitmap View in context: https://bugs.webkit.org/attachment.cgi?id=72819&action=review > WebCore/platform/graphics/wince/GraphicsContextWinCE.cpp:467 > -TransparentLayerDC::TransparentLayerDC(GraphicsContextPlatformPrivate* data, IntRect& origRect, const IntRect* rectBeforeTransform, int alpha, bool paintImage) > +TransparentLayerDC::TransparentLayerDC(GraphicsContextPlatformPrivate* data, IntRect& origRect, const IntRect* rectBeforeTransform, int alpha, bool paintImage, bool paintGradient) This change seems to have snuck in. 304030 30 72819 paroga 2010-11-03 07:40:26 -0700 Comment on attachment 72819 1) SharedBitmap Clearing flags on attachment: 72819 Manually committed r71237: <http://trac.webkit.org/changeset/71237> 304031 31 paroga 2010-11-03 07:41:02 -0700 All reviewed patches have been landed. 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