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authorwolfbeast <mcwerewolf@wolfbeast.com>2019-02-07 22:06:24 +0100
committerwolfbeast <mcwerewolf@wolfbeast.com>2019-02-07 22:06:24 +0100
commit6992106dc7894fab3f620263e99b4083b36bf9e8 (patch)
tree2a3554cf7bfabfeee0cc56ca58b04773a902cb76
parent0b6d9a47051be9ef4d064c6f7c60717da91d0bc2 (diff)
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Use existing image decoders to handle clipboard BMP data.
This gets rid of the old nsImageClipboard widget code in favor of using the nsBMPDecoder in imglib.
-rw-r--r--image/DecoderFactory.cpp7
-rw-r--r--image/DecoderFactory.h1
-rw-r--r--image/decoders/nsBMPDecoder.cpp17
-rw-r--r--image/decoders/nsBMPDecoder.h6
-rw-r--r--netwerk/mime/nsMimeTypes.h3
-rw-r--r--widget/windows/moz.build1
-rw-r--r--widget/windows/nsClipboard.cpp47
-rw-r--r--widget/windows/nsDataObj.cpp126
-rw-r--r--widget/windows/nsImageClipboard.cpp497
-rw-r--r--widget/windows/nsImageClipboard.h93
-rw-r--r--widget/windows/nsNativeThemeWin.cpp2
11 files changed, 149 insertions, 651 deletions
diff --git a/image/DecoderFactory.cpp b/image/DecoderFactory.cpp
index 2085fb7c4..dffe4dc21 100644
--- a/image/DecoderFactory.cpp
+++ b/image/DecoderFactory.cpp
@@ -58,6 +58,10 @@ DecoderFactory::GetDecoderType(const char* aMimeType)
} else if (!strcmp(aMimeType, IMAGE_BMP_MS)) {
type = DecoderType::BMP;
+ // BMP_CLIPBOARD
+ } else if (!strcmp(aMimeType, IMAGE_BMP_MS_CLIPBOARD)) {
+ type = DecoderType::BMP_CLIPBOARD;
+
// ICO
} else if (!strcmp(aMimeType, IMAGE_ICO)) {
type = DecoderType::ICO;
@@ -100,6 +104,9 @@ DecoderFactory::GetDecoder(DecoderType aType,
case DecoderType::BMP:
decoder = new nsBMPDecoder(aImage);
break;
+ case DecoderType::BMP_CLIPBOARD:
+ decoder = new nsBMPDecoder(aImage, /* aForClipboard */ true);
+ break;
case DecoderType::ICO:
decoder = new nsICODecoder(aImage);
break;
diff --git a/image/DecoderFactory.h b/image/DecoderFactory.h
index f8cf64cc6..5638789ff 100644
--- a/image/DecoderFactory.h
+++ b/image/DecoderFactory.h
@@ -34,6 +34,7 @@ enum class DecoderType
GIF,
JPEG,
BMP,
+ BMP_CLIPBOARD,
ICO,
ICON,
WEBP,
diff --git a/image/decoders/nsBMPDecoder.cpp b/image/decoders/nsBMPDecoder.cpp
index 42bb3486a..fc79c223d 100644
--- a/image/decoders/nsBMPDecoder.cpp
+++ b/image/decoders/nsBMPDecoder.cpp
@@ -185,9 +185,11 @@ nsBMPDecoder::nsBMPDecoder(RasterImage* aImage, State aState, size_t aLength)
{
}
-// Constructor for normal BMP files.
-nsBMPDecoder::nsBMPDecoder(RasterImage* aImage)
- : nsBMPDecoder(aImage, State::FILE_HEADER, FILE_HEADER_LENGTH)
+// Constructor for normal BMP files or from the clipboard.
+nsBMPDecoder::nsBMPDecoder(RasterImage* aImage, bool aForClipboard)
+ : nsBMPDecoder(aImage,
+ aForClipboard ? State::CLIPBOARD_HEADER : State::FILE_HEADER,
+ aForClipboard ? BIHSIZE_FIELD_LENGTH : FILE_HEADER_LENGTH)
{
}
@@ -455,6 +457,7 @@ nsBMPDecoder::DoDecode(SourceBufferIterator& aIterator, IResumable* aOnResume)
[=](State aState, const char* aData, size_t aLength) {
switch (aState) {
case State::FILE_HEADER: return ReadFileHeader(aData, aLength);
+ case State::CLIPBOARD_HEADER: return ReadClipboardHeader(aData, aLength);
case State::INFO_HEADER_SIZE: return ReadInfoHeaderSize(aData, aLength);
case State::INFO_HEADER_REST: return ReadInfoHeaderRest(aData, aLength);
case State::BITFIELDS: return ReadBitfields(aData, aLength);
@@ -488,6 +491,14 @@ nsBMPDecoder::ReadFileHeader(const char* aData, size_t aLength)
return Transition::To(State::INFO_HEADER_SIZE, BIHSIZE_FIELD_LENGTH);
}
+LexerTransition<nsBMPDecoder::State>
+nsBMPDecoder::ReadClipboardHeader(const char* aData, size_t aLength)
+{
+ // With the clipboard, the data offset is the header length.
+ mH.mDataOffset = LittleEndian::readUint32(aData);
+ return ReadInfoHeaderSize(aData, aLength);
+}
+
// We read the info header in two steps: (a) read the mBIHSize field to
// determine how long the header is; (b) read the rest of the header.
LexerTransition<nsBMPDecoder::State>
diff --git a/image/decoders/nsBMPDecoder.h b/image/decoders/nsBMPDecoder.h
index 0cf2af689..258381649 100644
--- a/image/decoders/nsBMPDecoder.h
+++ b/image/decoders/nsBMPDecoder.h
@@ -152,6 +152,7 @@ private:
enum class State {
FILE_HEADER,
+ CLIPBOARD_HEADER,
INFO_HEADER_SIZE,
INFO_HEADER_REST,
BITFIELDS,
@@ -164,8 +165,8 @@ private:
RLE_ABSOLUTE
};
- // This is the constructor used for normal BMP images.
- explicit nsBMPDecoder(RasterImage* aImage);
+ // This is the constructor used for normal and clipboard BMP images.
+ explicit nsBMPDecoder(RasterImage* aImage, bool aForClipboard = false);
// This is the constructor used for BMP resources in ICO images.
nsBMPDecoder(RasterImage* aImage, uint32_t aDataOffset);
@@ -180,6 +181,7 @@ private:
void FinishRow();
LexerTransition<State> ReadFileHeader(const char* aData, size_t aLength);
+ LexerTransition<State> ReadClipboardHeader(const char* aData, size_t aLength);
LexerTransition<State> ReadInfoHeaderSize(const char* aData, size_t aLength);
LexerTransition<State> ReadInfoHeaderRest(const char* aData, size_t aLength);
LexerTransition<State> ReadBitfields(const char* aData, size_t aLength);
diff --git a/netwerk/mime/nsMimeTypes.h b/netwerk/mime/nsMimeTypes.h
index 215d20507..57a85e9bc 100644
--- a/netwerk/mime/nsMimeTypes.h
+++ b/netwerk/mime/nsMimeTypes.h
@@ -107,6 +107,9 @@
#define IMAGE_TIFF "image/tiff"
#define IMAGE_BMP "image/bmp"
#define IMAGE_BMP_MS "image/x-ms-bmp"
+// This is used internally to represent Windows clipboard BMPs which remove
+// part of the header.
+#define IMAGE_BMP_MS_CLIPBOARD "image/x-ms-clipboard-bmp"
#define IMAGE_ICO "image/x-icon"
#define IMAGE_ICO_MS "image/vnd.microsoft.icon"
#define IMAGE_ICON_MS "image/icon"
diff --git a/widget/windows/moz.build b/widget/windows/moz.build
index 1e7fc4b02..4a449de95 100644
--- a/widget/windows/moz.build
+++ b/widget/windows/moz.build
@@ -41,7 +41,6 @@ UNIFIED_SOURCES += [
'nsDataObjCollection.cpp',
'nsDragService.cpp',
'nsIdleServiceWin.cpp',
- 'nsImageClipboard.cpp',
'nsLookAndFeel.cpp',
'nsNativeDragSource.cpp',
'nsNativeDragTarget.cpp',
diff --git a/widget/windows/nsClipboard.cpp b/widget/windows/nsClipboard.cpp
index 432badeb5..c93f351c8 100644
--- a/widget/windows/nsClipboard.cpp
+++ b/widget/windows/nsClipboard.cpp
@@ -26,7 +26,6 @@
#include "nsReadableUtils.h"
#include "nsUnicharUtils.h"
#include "nsPrimitiveHelpers.h"
-#include "nsImageClipboard.h"
#include "nsIWidget.h"
#include "nsIComponentManager.h"
#include "nsWidgetsCID.h"
@@ -36,6 +35,8 @@
#include "nsIOutputStream.h"
#include "nsEscape.h"
#include "nsIObserverService.h"
+#include "nsMimeTypes.h"
+#include "imgITools.h"
using mozilla::LogLevel;
@@ -474,17 +475,45 @@ nsresult nsClipboard::GetNativeDataOffClipboard(IDataObject * aDataObject, UINT
if (aMIMEImageFormat)
{
uint32_t allocLen = 0;
- unsigned char * clipboardData;
+ const char * clipboardData;
if (NS_SUCCEEDED(GetGlobalData(stm.hGlobal, (void **)&clipboardData, &allocLen)))
{
- nsImageFromClipboard converter;
- nsIInputStream * inputStream;
- converter.GetEncodedImageStream(clipboardData, aMIMEImageFormat, &inputStream); // addrefs for us, don't release
- if ( inputStream ) {
- *aData = inputStream;
- *aLen = sizeof(nsIInputStream*);
- result = NS_OK;
+ nsCOMPtr<imgIContainer> container;
+ nsCOMPtr<imgITools> imgTools = do_CreateInstance("@mozilla.org/image/tools;1");
+ nsCOMPtr<nsIInputStream> inputStream;
+ nsresult rv = NS_NewByteInputStream(getter_AddRefs(inputStream),
+ clipboardData,
+ allocLen,
+ NS_ASSIGNMENT_DEPEND);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ result = imgTools->DecodeImage(inputStream,
+ NS_LITERAL_CSTRING(IMAGE_BMP_MS_CLIPBOARD),
+ getter_AddRefs(container));
+ if (NS_FAILED(result)) {
+ break;
}
+
+ nsAutoCString mimeType;
+ if (strcmp(aMIMEImageFormat, kJPGImageMime) == 0) {
+ mimeType.Assign(IMAGE_JPEG);
+ } else {
+ mimeType.Assign(aMIMEImageFormat);
+ }
+
+ result = imgTools->EncodeImage(container, mimeType, EmptyString(),
+ getter_AddRefs(inputStream));
+ if (NS_FAILED(result)) {
+ break;
+ }
+
+ if (!inputStream) {
+ result = NS_ERROR_FAILURE;
+ break;
+ }
+
+ *aData = inputStream.forget().take();
+ *aLen = sizeof(nsIInputStream*);
}
} break;
diff --git a/widget/windows/nsDataObj.cpp b/widget/windows/nsDataObj.cpp
index 977a87c08..ee2db7b65 100644
--- a/widget/windows/nsDataObj.cpp
+++ b/widget/windows/nsDataObj.cpp
@@ -17,7 +17,6 @@
#include "IEnumFE.h"
#include "nsPrimitiveHelpers.h"
#include "nsXPIDLString.h"
-#include "nsImageClipboard.h"
#include "nsCRT.h"
#include "nsPrintfCString.h"
#include "nsIStringBundle.h"
@@ -35,6 +34,8 @@
#include "nsIContentPolicy.h"
#include "nsContentUtils.h"
#include "nsIPrincipal.h"
+#include "nsMimeTypes.h"
+#include "imgITools.h"
#include "WinUtils.h"
#include "mozilla/LazyIdleThread.h"
@@ -45,6 +46,7 @@
using namespace mozilla;
using namespace mozilla::widget;
+#define BFH_LENGTH 14
#define DEFAULT_THREAD_TIMEOUT_MS 30000
NS_IMPL_ISUPPORTS(nsDataObj::CStream, nsIStreamListener)
@@ -917,20 +919,60 @@ nsDataObj::GetDib(const nsACString& inFlavor,
}
if ( image ) {
- // use the |nsImageToClipboard| helper class to build up a bitmap. We now own
- // the bits, and pass them back to the OS in |aSTG|.
- nsImageToClipboard converter(image, aFormat.cfFormat == CF_DIBV5);
- HANDLE bits = nullptr;
- nsresult rv = converter.GetPicture ( &bits );
- if ( NS_SUCCEEDED(rv) && bits ) {
- aSTG.hGlobal = bits;
- aSTG.tymed = TYMED_HGLOBAL;
- result = S_OK;
+ nsCOMPtr<imgITools> imgTools = do_CreateInstance("@mozilla.org/image/tools;1");
+
+ nsAutoString options;
+ if (aFormat.cfFormat == CF_DIBV5) {
+ options.AppendLiteral("version=5");
+ } else {
+ options.AppendLiteral("version=3");
+ }
+
+ nsCOMPtr<nsIInputStream> inputStream;
+ nsresult rv = imgTools->EncodeImage(image, NS_LITERAL_CSTRING(IMAGE_BMP),
+ options, getter_AddRefs(inputStream));
+ if (NS_FAILED(rv) || !inputStream) {
+ return E_FAIL;
}
- } // if we have an image
- else
+
+ nsCOMPtr<imgIEncoder> encoder = do_QueryInterface(inputStream);
+ if (!encoder) {
+ return E_FAIL;
+ }
+
+ uint32_t size = 0;
+ rv = encoder->GetImageBufferUsed(&size);
+ if (NS_FAILED(rv) || size <= BFH_LENGTH) {
+ return E_FAIL;
+ }
+
+ char *src = nullptr;
+ rv = encoder->GetImageBuffer(&src);
+ if (NS_FAILED(rv) || !src) {
+ return E_FAIL;
+ }
+
+ // We don't want the file header.
+ src += BFH_LENGTH;
+ size -= BFH_LENGTH;
+
+ HGLOBAL glob = ::GlobalAlloc(GMEM_MOVEABLE | GMEM_ZEROINIT, size);
+ if (!glob) {
+ DWORD err = ::GetLastError();
+ return E_FAIL;
+ }
+
+ char *dst = (char*) ::GlobalLock(glob);
+ ::CopyMemory(dst, src, size);
+ ::GlobalUnlock(glob);
+
+ aSTG.hGlobal = glob;
+ aSTG.tymed = TYMED_HGLOBAL;
+ result = S_OK;
+ } else {
NS_WARNING ( "Definitely not an image on clipboard" );
- return result;
+ }
+ return result;
}
@@ -1535,18 +1577,29 @@ HRESULT nsDataObj::DropImage(FORMATETC& aFE, STGMEDIUM& aSTG)
if (!image)
return E_FAIL;
- // Use the clipboard helper class to build up a memory bitmap.
- nsImageToClipboard converter(image);
- HANDLE bits = nullptr;
- rv = converter.GetPicture(&bits); // Clipboard routines return a global handle we own.
+ nsCOMPtr<imgITools> imgTools = do_CreateInstance("@mozilla.org/image/tools;1");
+ nsCOMPtr<nsIInputStream> inputStream;
+ rv = imgTools->EncodeImage(image, NS_LITERAL_CSTRING(IMAGE_BMP),
+ NS_LITERAL_STRING("version=3"),
+ getter_AddRefs(inputStream));
+ if (NS_FAILED(rv) || !inputStream) {
+ return E_FAIL;
+ }
+
+ nsCOMPtr<imgIEncoder> encoder = do_QueryInterface(inputStream);
+ if (!encoder) {
+ return E_FAIL;
+ }
- if (NS_FAILED(rv) || !bits)
+ uint32_t size = 0;
+ rv = encoder->GetImageBufferUsed(&size);
+ if (NS_FAILED(rv)) {
return E_FAIL;
+ }
- // We now own these bits!
- uint32_t bitmapSize = GlobalSize(bits);
- if (!bitmapSize) {
- GlobalFree(bits);
+ char *src = nullptr;
+ rv = encoder->GetImageBuffer(&src);
+ if (NS_FAILED(rv) || !src) {
return E_FAIL;
}
@@ -1554,7 +1607,6 @@ HRESULT nsDataObj::DropImage(FORMATETC& aFE, STGMEDIUM& aSTG)
nsCOMPtr<nsIFile> dropFile;
rv = NS_GetSpecialDirectory(NS_OS_TEMP_DIR, getter_AddRefs(dropFile));
if (!dropFile) {
- GlobalFree(bits);
return E_FAIL;
}
@@ -1568,7 +1620,6 @@ HRESULT nsDataObj::DropImage(FORMATETC& aFE, STGMEDIUM& aSTG)
dropFile->AppendNative(filename);
rv = dropFile->CreateUnique(nsIFile::NORMAL_FILE_TYPE, 0660);
if (NS_FAILED(rv)) {
- GlobalFree(bits);
return E_FAIL;
}
@@ -1581,33 +1632,16 @@ HRESULT nsDataObj::DropImage(FORMATETC& aFE, STGMEDIUM& aSTG)
nsCOMPtr<nsIOutputStream> outStream;
rv = NS_NewLocalFileOutputStream(getter_AddRefs(outStream), dropFile);
if (NS_FAILED(rv)) {
- GlobalFree(bits);
return E_FAIL;
}
- char * bm = (char *)GlobalLock(bits);
-
- BITMAPFILEHEADER fileHdr;
- BITMAPINFOHEADER *bmpHdr = (BITMAPINFOHEADER*)bm;
-
- fileHdr.bfType = ((WORD) ('M' << 8) | 'B');
- fileHdr.bfSize = GlobalSize (bits) + sizeof(fileHdr);
- fileHdr.bfReserved1 = 0;
- fileHdr.bfReserved2 = 0;
- fileHdr.bfOffBits = (DWORD) (sizeof(fileHdr) + bmpHdr->biSize);
-
- uint32_t writeCount = 0;
- if (NS_FAILED(outStream->Write((const char *)&fileHdr, sizeof(fileHdr), &writeCount)) ||
- NS_FAILED(outStream->Write((const char *)bm, bitmapSize, &writeCount)))
- rv = NS_ERROR_FAILURE;
+ uint32_t written = 0;
+ rv = outStream->Write(src, size, &written);
+ if (NS_FAILED(rv) || written != size) {
+ return E_FAIL;
+ }
outStream->Close();
-
- GlobalUnlock(bits);
- GlobalFree(bits);
-
- if (NS_FAILED(rv))
- return E_FAIL;
}
// Pass the file name back to the drop target so that it can access the file.
diff --git a/widget/windows/nsImageClipboard.cpp b/widget/windows/nsImageClipboard.cpp
deleted file mode 100644
index fab62eab5..000000000
--- a/widget/windows/nsImageClipboard.cpp
+++ /dev/null
@@ -1,497 +0,0 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "nsImageClipboard.h"
-
-#include "gfxUtils.h"
-#include "mozilla/gfx/2D.h"
-#include "mozilla/gfx/DataSurfaceHelpers.h"
-#include "mozilla/RefPtr.h"
-#include "nsITransferable.h"
-#include "nsGfxCIID.h"
-#include "nsMemory.h"
-#include "prmem.h"
-#include "imgIEncoder.h"
-#include "nsLiteralString.h"
-#include "nsComponentManagerUtils.h"
-
-#define BFH_LENGTH 14
-
-using namespace mozilla;
-using namespace mozilla::gfx;
-
-/* Things To Do 11/8/00
-
-Check image metrics, can we support them? Do we need to?
-Any other render format? HTML?
-
-*/
-
-
-//
-// nsImageToClipboard ctor
-//
-// Given an imgIContainer, convert it to a DIB that is ready to go on the win32 clipboard
-//
-nsImageToClipboard::nsImageToClipboard(imgIContainer* aInImage, bool aWantDIBV5)
- : mImage(aInImage)
- , mWantDIBV5(aWantDIBV5)
-{
- // nothing to do here
-}
-
-
-//
-// nsImageToClipboard dtor
-//
-// Clean up after ourselves. We know that we have created the bitmap
-// successfully if we still have a pointer to the header.
-//
-nsImageToClipboard::~nsImageToClipboard()
-{
-}
-
-
-//
-// GetPicture
-//
-// Call to get the actual bits that go on the clipboard. If an error
-// ocurred during conversion, |outBits| will be null.
-//
-// NOTE: The caller owns the handle and must delete it with ::GlobalRelease()
-//
-nsresult
-nsImageToClipboard :: GetPicture ( HANDLE* outBits )
-{
- NS_ASSERTION ( outBits, "Bad parameter" );
-
- return CreateFromImage ( mImage, outBits );
-
-} // GetPicture
-
-
-//
-// CalcSize
-//
-// Computes # of bytes needed by a bitmap with the specified attributes.
-//
-int32_t
-nsImageToClipboard :: CalcSize ( int32_t aHeight, int32_t aColors, WORD aBitsPerPixel, int32_t aSpanBytes )
-{
- int32_t HeaderMem = sizeof(BITMAPINFOHEADER);
-
- // add size of pallette to header size
- if (aBitsPerPixel < 16)
- HeaderMem += aColors * sizeof(RGBQUAD);
-
- if (aHeight < 0)
- aHeight = -aHeight;
-
- return (HeaderMem + (aHeight * aSpanBytes));
-}
-
-
-//
-// CalcSpanLength
-//
-// Computes the span bytes for determining the overall size of the image
-//
-int32_t
-nsImageToClipboard::CalcSpanLength(uint32_t aWidth, uint32_t aBitCount)
-{
- int32_t spanBytes = (aWidth * aBitCount) >> 5;
-
- if ((aWidth * aBitCount) & 0x1F)
- spanBytes++;
- spanBytes <<= 2;
-
- return spanBytes;
-}
-
-
-//
-// CreateFromImage
-//
-// Do the work to setup the bitmap header and copy the bits out of the
-// image.
-//
-nsresult
-nsImageToClipboard::CreateFromImage ( imgIContainer* inImage, HANDLE* outBitmap )
-{
- nsresult rv;
- *outBitmap = nullptr;
-
- RefPtr<SourceSurface> surface =
- inImage->GetFrame(imgIContainer::FRAME_CURRENT,
- imgIContainer::FLAG_SYNC_DECODE);
- NS_ENSURE_TRUE(surface, NS_ERROR_FAILURE);
-
- MOZ_ASSERT(surface->GetFormat() == SurfaceFormat::B8G8R8A8 ||
- surface->GetFormat() == SurfaceFormat::B8G8R8X8);
-
- RefPtr<DataSourceSurface> dataSurface;
- if (surface->GetFormat() == SurfaceFormat::B8G8R8A8) {
- dataSurface = surface->GetDataSurface();
- } else {
- // XXXjwatt Bug 995923 - get rid of this copy and handle B8G8R8X8
- // directly below once bug 995807 is fixed.
- dataSurface = gfxUtils::
- CopySurfaceToDataSourceSurfaceWithFormat(surface,
- SurfaceFormat::B8G8R8A8);
- }
- NS_ENSURE_TRUE(dataSurface, NS_ERROR_FAILURE);
-
- nsCOMPtr<imgIEncoder> encoder = do_CreateInstance("@mozilla.org/image/encoder;2?type=image/bmp", &rv);
- NS_ENSURE_SUCCESS(rv, rv);
-
- uint32_t format;
- nsAutoString options;
- if (mWantDIBV5) {
- options.AppendLiteral("version=5;bpp=");
- } else {
- options.AppendLiteral("version=3;bpp=");
- }
- switch (dataSurface->GetFormat()) {
- case SurfaceFormat::B8G8R8A8:
- format = imgIEncoder::INPUT_FORMAT_HOSTARGB;
- options.AppendInt(32);
- break;
-#if 0
- // XXXjwatt Bug 995923 - fix |format| and reenable once bug 995807 is fixed.
- case SurfaceFormat::B8G8R8X8:
- format = imgIEncoder::INPUT_FORMAT_RGB;
- options.AppendInt(24);
- break;
-#endif
- default:
- NS_NOTREACHED("Unexpected surface format");
- return NS_ERROR_INVALID_ARG;
- }
-
- DataSourceSurface::MappedSurface map;
- bool mappedOK = dataSurface->Map(DataSourceSurface::MapType::READ, &map);
- NS_ENSURE_TRUE(mappedOK, NS_ERROR_FAILURE);
-
- rv = encoder->InitFromData(map.mData, 0,
- dataSurface->GetSize().width,
- dataSurface->GetSize().height,
- map.mStride,
- format, options);
- dataSurface->Unmap();
- NS_ENSURE_SUCCESS(rv, rv);
-
- uint32_t size;
- encoder->GetImageBufferUsed(&size);
- NS_ENSURE_TRUE(size > BFH_LENGTH, NS_ERROR_FAILURE);
- HGLOBAL glob = ::GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE | GMEM_ZEROINIT,
- size - BFH_LENGTH);
- if (!glob)
- return NS_ERROR_OUT_OF_MEMORY;
-
- char *dst = (char*) ::GlobalLock(glob);
- char *src;
- rv = encoder->GetImageBuffer(&src);
- NS_ENSURE_SUCCESS(rv, rv);
-
- ::CopyMemory(dst, src + BFH_LENGTH, size - BFH_LENGTH);
- ::GlobalUnlock(glob);
-
- *outBitmap = (HANDLE)glob;
- return NS_OK;
-}
-
-nsImageFromClipboard :: nsImageFromClipboard ()
-{
- // nothing to do here
-}
-
-nsImageFromClipboard :: ~nsImageFromClipboard ( )
-{
-}
-
-//
-// GetEncodedImageStream
-//
-// Take the raw clipboard image data and convert it to aMIMEFormat in the form of a nsIInputStream
-//
-nsresult
-nsImageFromClipboard ::GetEncodedImageStream (unsigned char * aClipboardData, const char * aMIMEFormat, nsIInputStream** aInputStream )
-{
- NS_ENSURE_ARG_POINTER (aInputStream);
- NS_ENSURE_ARG_POINTER (aMIMEFormat);
- nsresult rv;
- *aInputStream = nullptr;
-
- // pull the size information out of the BITMAPINFO header and
- // initialize the image
- BITMAPINFO* header = (BITMAPINFO *) aClipboardData;
- int32_t width = header->bmiHeader.biWidth;
- int32_t height = header->bmiHeader.biHeight;
- // neg. heights mean the Y axis is inverted and we don't handle that case
- NS_ENSURE_TRUE(height > 0, NS_ERROR_FAILURE);
-
- unsigned char * rgbData = new unsigned char[width * height * 3 /* RGB */];
-
- if (rgbData) {
- BYTE * pGlobal = (BYTE *) aClipboardData;
- // Convert the clipboard image into RGB packed pixel data
- rv = ConvertColorBitMap((unsigned char *) (pGlobal + header->bmiHeader.biSize), header, rgbData);
- // if that succeeded, encode the bitmap as aMIMEFormat data. Don't return early or we risk leaking rgbData
- if (NS_SUCCEEDED(rv)) {
- nsAutoCString encoderCID(NS_LITERAL_CSTRING("@mozilla.org/image/encoder;2?type="));
-
- // Map image/jpg to image/jpeg (which is how the encoder is registered).
- if (strcmp(aMIMEFormat, kJPGImageMime) == 0)
- encoderCID.AppendLiteral("image/jpeg");
- else
- encoderCID.Append(aMIMEFormat);
- nsCOMPtr<imgIEncoder> encoder = do_CreateInstance(encoderCID.get(), &rv);
- if (NS_SUCCEEDED(rv)){
- rv = encoder->InitFromData(rgbData, 0, width, height, 3 * width /* RGB * # pixels in a row */,
- imgIEncoder::INPUT_FORMAT_RGB, EmptyString());
- if (NS_SUCCEEDED(rv)) {
- encoder.forget(aInputStream);
- }
- }
- }
- delete [] rgbData;
- }
- else
- rv = NS_ERROR_OUT_OF_MEMORY;
-
- return rv;
-} // GetImage
-
-//
-// InvertRows
-//
-// Take the image data from the clipboard and invert the rows. Modifying aInitialBuffer in place.
-//
-void
-nsImageFromClipboard::InvertRows(unsigned char * aInitialBuffer, uint32_t aSizeOfBuffer, uint32_t aNumBytesPerRow)
-{
- if (!aNumBytesPerRow)
- return;
-
- uint32_t numRows = aSizeOfBuffer / aNumBytesPerRow;
- unsigned char * row = new unsigned char[aNumBytesPerRow];
-
- uint32_t currentRow = 0;
- uint32_t lastRow = (numRows - 1) * aNumBytesPerRow;
- while (currentRow < lastRow)
- {
- // store the current row into a temporary buffer
- memcpy(row, &aInitialBuffer[currentRow], aNumBytesPerRow);
- memcpy(&aInitialBuffer[currentRow], &aInitialBuffer[lastRow], aNumBytesPerRow);
- memcpy(&aInitialBuffer[lastRow], row, aNumBytesPerRow);
- lastRow -= aNumBytesPerRow;
- currentRow += aNumBytesPerRow;
- }
-
- delete[] row;
-}
-
-//
-// ConvertColorBitMap
-//
-// Takes the clipboard bitmap and converts it into a RGB packed pixel values.
-//
-nsresult
-nsImageFromClipboard::ConvertColorBitMap(unsigned char * aInputBuffer, PBITMAPINFO pBitMapInfo, unsigned char * aOutBuffer)
-{
- uint8_t bitCount = pBitMapInfo->bmiHeader.biBitCount;
- uint32_t imageSize = pBitMapInfo->bmiHeader.biSizeImage; // may be zero for BI_RGB bitmaps which means we need to calculate by hand
- uint32_t bytesPerPixel = bitCount / 8;
-
- if (bitCount <= 4)
- bytesPerPixel = 1;
-
- // rows are DWORD aligned. Calculate how many real bytes are in each row in the bitmap. This number won't
- // correspond to biWidth.
- uint32_t rowSize = (bitCount * pBitMapInfo->bmiHeader.biWidth + 7) / 8; // +7 to round up
- if (rowSize % 4)
- rowSize += (4 - (rowSize % 4)); // Pad to DWORD Boundary
-
- // if our buffer includes a color map, skip over it
- if (bitCount <= 8)
- {
- int32_t bytesToSkip = (pBitMapInfo->bmiHeader.biClrUsed ? pBitMapInfo->bmiHeader.biClrUsed : (1 << bitCount) ) * sizeof(RGBQUAD);
- aInputBuffer += bytesToSkip;
- }
-
- bitFields colorMasks; // only used if biCompression == BI_BITFIELDS
-
- if (pBitMapInfo->bmiHeader.biCompression == BI_BITFIELDS)
- {
- // color table consists of 3 DWORDS containing the color masks...
- colorMasks.red = (*((uint32_t*)&(pBitMapInfo->bmiColors[0])));
- colorMasks.green = (*((uint32_t*)&(pBitMapInfo->bmiColors[1])));
- colorMasks.blue = (*((uint32_t*)&(pBitMapInfo->bmiColors[2])));
- CalcBitShift(&colorMasks);
- aInputBuffer += 3 * sizeof(DWORD);
- }
- else if (pBitMapInfo->bmiHeader.biCompression == BI_RGB && !imageSize) // BI_RGB can have a size of zero which means we figure it out
- {
- // XXX: note use rowSize here and not biWidth. rowSize accounts for the DWORD padding for each row
- imageSize = rowSize * pBitMapInfo->bmiHeader.biHeight;
- }
-
- // The windows clipboard image format inverts the rows
- InvertRows(aInputBuffer, imageSize, rowSize);
-
- if (!pBitMapInfo->bmiHeader.biCompression || pBitMapInfo->bmiHeader.biCompression == BI_BITFIELDS)
- {
- uint32_t index = 0;
- uint32_t writeIndex = 0;
-
- unsigned char redValue, greenValue, blueValue;
- uint8_t colorTableEntry = 0;
- int8_t bit; // used for grayscale bitmaps where each bit is a pixel
- uint32_t numPixelsLeftInRow = pBitMapInfo->bmiHeader.biWidth; // how many more pixels do we still need to read for the current row
- uint32_t pos = 0;
-
- while (index < imageSize)
- {
- switch (bitCount)
- {
- case 1:
- for (bit = 7; bit >= 0 && numPixelsLeftInRow; bit--)
- {
- colorTableEntry = (aInputBuffer[index] >> bit) & 1;
- aOutBuffer[writeIndex++] = pBitMapInfo->bmiColors[colorTableEntry].rgbRed;
- aOutBuffer[writeIndex++] = pBitMapInfo->bmiColors[colorTableEntry].rgbGreen;
- aOutBuffer[writeIndex++] = pBitMapInfo->bmiColors[colorTableEntry].rgbBlue;
- numPixelsLeftInRow--;
- }
- pos += 1;
- break;
- case 4:
- {
- // each aInputBuffer[index] entry contains data for two pixels.
- // read the first pixel
- colorTableEntry = aInputBuffer[index] >> 4;
- aOutBuffer[writeIndex++] = pBitMapInfo->bmiColors[colorTableEntry].rgbRed;
- aOutBuffer[writeIndex++] = pBitMapInfo->bmiColors[colorTableEntry].rgbGreen;
- aOutBuffer[writeIndex++] = pBitMapInfo->bmiColors[colorTableEntry].rgbBlue;
- numPixelsLeftInRow--;
-
- if (numPixelsLeftInRow) // now read the second pixel
- {
- colorTableEntry = aInputBuffer[index] & 0xF;
- aOutBuffer[writeIndex++] = pBitMapInfo->bmiColors[colorTableEntry].rgbRed;
- aOutBuffer[writeIndex++] = pBitMapInfo->bmiColors[colorTableEntry].rgbGreen;
- aOutBuffer[writeIndex++] = pBitMapInfo->bmiColors[colorTableEntry].rgbBlue;
- numPixelsLeftInRow--;
- }
- pos += 1;
- }
- break;
- case 8:
- aOutBuffer[writeIndex++] = pBitMapInfo->bmiColors[aInputBuffer[index]].rgbRed;
- aOutBuffer[writeIndex++] = pBitMapInfo->bmiColors[aInputBuffer[index]].rgbGreen;
- aOutBuffer[writeIndex++] = pBitMapInfo->bmiColors[aInputBuffer[index]].rgbBlue;
- numPixelsLeftInRow--;
- pos += 1;
- break;
- case 16:
- {
- uint16_t num = 0;
- num = (uint8_t) aInputBuffer[index+1];
- num <<= 8;
- num |= (uint8_t) aInputBuffer[index];
-
- redValue = ((uint32_t) (((float)(num & 0xf800) / 0xf800) * 0xFF0000) & 0xFF0000)>> 16;
- greenValue = ((uint32_t)(((float)(num & 0x07E0) / 0x07E0) * 0x00FF00) & 0x00FF00)>> 8;
- blueValue = ((uint32_t)(((float)(num & 0x001F) / 0x001F) * 0x0000FF) & 0x0000FF);
-
- // now we have the right RGB values...
- aOutBuffer[writeIndex++] = redValue;
- aOutBuffer[writeIndex++] = greenValue;
- aOutBuffer[writeIndex++] = blueValue;
- numPixelsLeftInRow--;
- pos += 2;
- }
- break;
- case 32:
- case 24:
- if (pBitMapInfo->bmiHeader.biCompression == BI_BITFIELDS)
- {
- uint32_t val = *((uint32_t*) (aInputBuffer + index) );
- aOutBuffer[writeIndex++] = (val & colorMasks.red) >> colorMasks.redRightShift << colorMasks.redLeftShift;
- aOutBuffer[writeIndex++] = (val & colorMasks.green) >> colorMasks.greenRightShift << colorMasks.greenLeftShift;
- aOutBuffer[writeIndex++] = (val & colorMasks.blue) >> colorMasks.blueRightShift << colorMasks.blueLeftShift;
- numPixelsLeftInRow--;
- pos += 4; // we read in 4 bytes of data in order to process this pixel
- }
- else
- {
- aOutBuffer[writeIndex++] = aInputBuffer[index+2];
- aOutBuffer[writeIndex++] = aInputBuffer[index+1];
- aOutBuffer[writeIndex++] = aInputBuffer[index];
- numPixelsLeftInRow--;
- pos += bytesPerPixel; // 3 bytes for 24 bit data, 4 bytes for 32 bit data (we skip over the 4th byte)...
- }
- break;
- default:
- // This is probably the wrong place to check this...
- return NS_ERROR_FAILURE;
- }
-
- index += bytesPerPixel; // increment our loop counter
-
- if (!numPixelsLeftInRow)
- {
- if (rowSize != pos)
- {
- // advance index to skip over remaining padding bytes
- index += (rowSize - pos);
- }
- numPixelsLeftInRow = pBitMapInfo->bmiHeader.biWidth;
- pos = 0;
- }
-
- } // while we still have bytes to process
- }
-
- return NS_OK;
-}
-
-void nsImageFromClipboard::CalcBitmask(uint32_t aMask, uint8_t& aBegin, uint8_t& aLength)
-{
- // find the rightmost 1
- uint8_t pos;
- bool started = false;
- aBegin = aLength = 0;
- for (pos = 0; pos <= 31; pos++)
- {
- if (!started && (aMask & (1 << pos)))
- {
- aBegin = pos;
- started = true;
- }
- else if (started && !(aMask & (1 << pos)))
- {
- aLength = pos - aBegin;
- break;
- }
- }
-}
-
-void nsImageFromClipboard::CalcBitShift(bitFields * aColorMask)
-{
- uint8_t begin, length;
- // red
- CalcBitmask(aColorMask->red, begin, length);
- aColorMask->redRightShift = begin;
- aColorMask->redLeftShift = 8 - length;
- // green
- CalcBitmask(aColorMask->green, begin, length);
- aColorMask->greenRightShift = begin;
- aColorMask->greenLeftShift = 8 - length;
- // blue
- CalcBitmask(aColorMask->blue, begin, length);
- aColorMask->blueRightShift = begin;
- aColorMask->blueLeftShift = 8 - length;
-}
diff --git a/widget/windows/nsImageClipboard.h b/widget/windows/nsImageClipboard.h
deleted file mode 100644
index 25b33cc56..000000000
--- a/widget/windows/nsImageClipboard.h
+++ /dev/null
@@ -1,93 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef nsImageClipboard_h
-#define nsImageClipboard_h
-
-/* Things To Do 11/8/00
-
-Check image metrics, can we support them? Do we need to?
-Any other render format? HTML?
-
-*/
-
-#include "nsError.h"
-#include <windows.h>
-
-#include "nsCOMPtr.h"
-#include "imgIContainer.h"
-#include "nsIInputStream.h"
-
-
-//
-// nsImageToClipboard
-//
-// A utility class that takes an imgIContainer and does all the bitmap magic
-// to allow us to put it on the clipboard
-//
-class nsImageToClipboard
-{
-public:
- nsImageToClipboard(imgIContainer* aInImage, bool aWantDIBV5 = true);
- ~nsImageToClipboard();
-
- // Call to get the actual bits that go on the clipboard. If |nullptr|, the
- // setup operations have failed.
- //
- // NOTE: The caller owns the handle and must delete it with ::GlobalRelease()
- nsresult GetPicture ( HANDLE* outBits ) ;
-
-private:
-
- // Computes # of bytes needed by a bitmap with the specified attributes.
- int32_t CalcSize(int32_t aHeight, int32_t aColors, WORD aBitsPerPixel, int32_t aSpanBytes);
- int32_t CalcSpanLength(uint32_t aWidth, uint32_t aBitCount);
-
- // Do the work
- nsresult CreateFromImage ( imgIContainer* inImage, HANDLE* outBitmap );
-
- nsCOMPtr<imgIContainer> mImage; // the image we're working with
- bool mWantDIBV5;
-
-}; // class nsImageToClipboard
-
-
-struct bitFields {
- uint32_t red;
- uint32_t green;
- uint32_t blue;
- uint8_t redLeftShift;
- uint8_t redRightShift;
- uint8_t greenLeftShift;
- uint8_t greenRightShift;
- uint8_t blueLeftShift;
- uint8_t blueRightShift;
-};
-
-//
-// nsImageFromClipboard
-//
-// A utility class that takes a DIB from the win32 clipboard and does
-// all the bitmap magic to convert it to a PNG or a JPEG in the form of a nsIInputStream
-//
-class nsImageFromClipboard
-{
-public:
- nsImageFromClipboard () ;
- ~nsImageFromClipboard ( ) ;
-
- // Retrieve the newly created image
- nsresult GetEncodedImageStream (unsigned char * aClipboardData, const char * aMIMEFormat, nsIInputStream** outImage);
-
-private:
-
- void InvertRows(unsigned char * aInitialBuffer, uint32_t aSizeOfBuffer, uint32_t aNumBytesPerRow);
- nsresult ConvertColorBitMap(unsigned char * aInputBuffer, PBITMAPINFO pBitMapInfo, unsigned char * aOutBuffer);
- void CalcBitmask(uint32_t aMask, uint8_t& aBegin, uint8_t& aLength);
- void CalcBitShift(bitFields * aColorMask);
-
-}; // nsImageFromClipboard
-
-#endif
diff --git a/widget/windows/nsNativeThemeWin.cpp b/widget/windows/nsNativeThemeWin.cpp
index 475ebce94..e84a2b80c 100644
--- a/widget/windows/nsNativeThemeWin.cpp
+++ b/widget/windows/nsNativeThemeWin.cpp
@@ -8,6 +8,7 @@
#include "mozilla/EventStates.h"
#include "mozilla/Logging.h"
#include "mozilla/WindowsVersion.h"
+#include "mozilla/gfx/Types.h" // for Color::FromABGR
#include "nsDeviceContext.h"
#include "nsRenderingContext.h"
#include "nsRect.h"
@@ -40,6 +41,7 @@
#include <algorithm>
using namespace mozilla;
+using namespace mozilla::gfx;
using namespace mozilla::widget;
extern mozilla::LazyLogModule gWindowsLog;