summaryrefslogtreecommitdiffstats
path: root/gfx/thebes/PrintTargetWindows.cpp
diff options
context:
space:
mode:
authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/thebes/PrintTargetWindows.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
downloadUXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip
Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/thebes/PrintTargetWindows.cpp')
-rw-r--r--gfx/thebes/PrintTargetWindows.cpp112
1 files changed, 112 insertions, 0 deletions
diff --git a/gfx/thebes/PrintTargetWindows.cpp b/gfx/thebes/PrintTargetWindows.cpp
new file mode 100644
index 000000000..4f22adacf
--- /dev/null
+++ b/gfx/thebes/PrintTargetWindows.cpp
@@ -0,0 +1,112 @@
+/* -*- Mode: C++; tab-width: 20; 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/. */
+
+#include "PrintTargetWindows.h"
+
+#include "cairo-win32.h"
+#include "mozilla/gfx/HelpersCairo.h"
+#include "nsCoord.h"
+#include "nsString.h"
+
+namespace mozilla {
+namespace gfx {
+
+PrintTargetWindows::PrintTargetWindows(cairo_surface_t* aCairoSurface,
+ const IntSize& aSize,
+ HDC aDC)
+ : PrintTarget(aCairoSurface, aSize)
+ , mDC(aDC)
+{
+ // TODO: At least add basic memory reporting.
+ // 4 * mSize.width * mSize.height + sizeof(PrintTargetWindows) ?
+}
+
+/* static */ already_AddRefed<PrintTargetWindows>
+PrintTargetWindows::CreateOrNull(HDC aDC)
+{
+ // Figure out the cairo surface size - Windows we need to use the printable
+ // area of the page. Note: we only scale the printing using the LOGPIXELSY,
+ // so we use that when calculating the surface width as well as the height.
+ int32_t heightDPI = ::GetDeviceCaps(aDC, LOGPIXELSY);
+ float width =
+ (::GetDeviceCaps(aDC, HORZRES) * POINTS_PER_INCH_FLOAT) / heightDPI;
+ float height =
+ (::GetDeviceCaps(aDC, VERTRES) * POINTS_PER_INCH_FLOAT) / heightDPI;
+ IntSize size = IntSize::Truncate(width, height);
+
+ if (!Factory::CheckSurfaceSize(size)) {
+ return nullptr;
+ }
+
+ cairo_surface_t* surface = cairo_win32_printing_surface_create(aDC);
+
+ if (cairo_surface_status(surface)) {
+ return nullptr;
+ }
+
+ // The new object takes ownership of our surface reference.
+ RefPtr<PrintTargetWindows> target =
+ new PrintTargetWindows(surface, size, aDC);
+
+ return target.forget();
+}
+
+nsresult
+PrintTargetWindows::BeginPrinting(const nsAString& aTitle,
+ const nsAString& aPrintToFileName)
+{
+ const uint32_t DOC_TITLE_LENGTH = MAX_PATH - 1;
+
+ DOCINFOW docinfo;
+
+ nsString titleStr(aTitle);
+ if (titleStr.Length() > DOC_TITLE_LENGTH) {
+ titleStr.SetLength(DOC_TITLE_LENGTH - 3);
+ titleStr.AppendLiteral("...");
+ }
+
+ nsString docName(aPrintToFileName);
+ docinfo.cbSize = sizeof(docinfo);
+ docinfo.lpszDocName = titleStr.Length() > 0 ? titleStr.get() : L"Mozilla Document";
+ docinfo.lpszOutput = docName.Length() > 0 ? docName.get() : nullptr;
+ docinfo.lpszDatatype = nullptr;
+ docinfo.fwType = 0;
+
+ ::StartDocW(mDC, &docinfo);
+
+ return NS_OK;
+}
+
+nsresult
+PrintTargetWindows::EndPrinting()
+{
+ int result = ::EndDoc(mDC);
+ return (result <= 0) ? NS_ERROR_FAILURE : NS_OK;
+}
+
+nsresult
+PrintTargetWindows::AbortPrinting()
+{
+ int result = ::AbortDoc(mDC);
+ return (result <= 0) ? NS_ERROR_FAILURE : NS_OK;
+}
+
+nsresult
+PrintTargetWindows::BeginPage()
+{
+ int result = ::StartPage(mDC);
+ return (result <= 0) ? NS_ERROR_FAILURE : NS_OK;
+}
+
+nsresult
+PrintTargetWindows::EndPage()
+{
+ cairo_surface_show_page(mCairoSurface);
+ int result = ::EndPage(mDC);
+ return (result <= 0) ? NS_ERROR_FAILURE : NS_OK;
+}
+
+} // namespace gfx
+} // namespace mozilla