mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-11 16:32:59 +00:00
834 lines
22 KiB
C++
834 lines
22 KiB
C++
/* -*- 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 "nsIMemoryReporter.h"
|
|
#include "nsMemory.h"
|
|
#include "mozilla/CheckedInt.h"
|
|
#include "mozilla/Attributes.h"
|
|
|
|
#include "gfxASurface.h"
|
|
#include "gfxContext.h"
|
|
#include "gfxImageSurface.h"
|
|
|
|
#include "nsRect.h"
|
|
|
|
#include "cairo.h"
|
|
|
|
#ifdef CAIRO_HAS_WIN32_SURFACE
|
|
#include "gfxWindowsSurface.h"
|
|
#endif
|
|
#ifdef CAIRO_HAS_D2D_SURFACE
|
|
#include "gfxD2DSurface.h"
|
|
#endif
|
|
|
|
#ifdef MOZ_X11
|
|
#include "gfxXlibSurface.h"
|
|
#endif
|
|
|
|
#ifdef CAIRO_HAS_QUARTZ_SURFACE
|
|
#include "gfxQuartzSurface.h"
|
|
#include "gfxQuartzImageSurface.h"
|
|
#endif
|
|
|
|
#if defined(CAIRO_HAS_QT_SURFACE) && defined(MOZ_WIDGET_QT)
|
|
#include "gfxQPainterSurface.h"
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#include <limits.h>
|
|
|
|
#include "imgIEncoder.h"
|
|
#include "nsComponentManagerUtils.h"
|
|
#include "prmem.h"
|
|
#include "nsISupportsUtils.h"
|
|
#include "plbase64.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsIConsoleService.h"
|
|
#include "nsServiceManagerUtils.h"
|
|
#include "nsStringGlue.h"
|
|
#include "nsIClipboardHelper.h"
|
|
|
|
using mozilla::CheckedInt;
|
|
|
|
static cairo_user_data_key_t gfxasurface_pointer_key;
|
|
|
|
// Surfaces use refcounting that's tied to the cairo surface refcnt, to avoid
|
|
// refcount mismatch issues.
|
|
nsrefcnt
|
|
gfxASurface::AddRef(void)
|
|
{
|
|
if (mSurfaceValid) {
|
|
if (mFloatingRefs) {
|
|
// eat a floating ref
|
|
mFloatingRefs--;
|
|
} else {
|
|
cairo_surface_reference(mSurface);
|
|
}
|
|
|
|
return (nsrefcnt) cairo_surface_get_reference_count(mSurface);
|
|
} else {
|
|
// the surface isn't valid, but we still need to refcount
|
|
// the gfxASurface
|
|
return ++mFloatingRefs;
|
|
}
|
|
}
|
|
|
|
nsrefcnt
|
|
gfxASurface::Release(void)
|
|
{
|
|
if (mSurfaceValid) {
|
|
NS_ASSERTION(mFloatingRefs == 0, "gfxASurface::Release with floating refs still hanging around!");
|
|
|
|
// Note that there is a destructor set on user data for mSurface,
|
|
// which will delete this gfxASurface wrapper when the surface's refcount goes
|
|
// out of scope.
|
|
nsrefcnt refcnt = (nsrefcnt) cairo_surface_get_reference_count(mSurface);
|
|
cairo_surface_destroy(mSurface);
|
|
|
|
// |this| may not be valid any more, don't use it!
|
|
|
|
return --refcnt;
|
|
} else {
|
|
if (--mFloatingRefs == 0) {
|
|
delete this;
|
|
return 0;
|
|
}
|
|
|
|
return mFloatingRefs;
|
|
}
|
|
}
|
|
|
|
void
|
|
gfxASurface::SurfaceDestroyFunc(void *data) {
|
|
gfxASurface *surf = (gfxASurface*) data;
|
|
// fprintf (stderr, "Deleting wrapper for %p (wrapper: %p)\n", surf->mSurface, data);
|
|
delete surf;
|
|
}
|
|
|
|
gfxASurface*
|
|
gfxASurface::GetSurfaceWrapper(cairo_surface_t *csurf)
|
|
{
|
|
if (!csurf)
|
|
return NULL;
|
|
return (gfxASurface*) cairo_surface_get_user_data(csurf, &gfxasurface_pointer_key);
|
|
}
|
|
|
|
void
|
|
gfxASurface::SetSurfaceWrapper(cairo_surface_t *csurf, gfxASurface *asurf)
|
|
{
|
|
if (!csurf)
|
|
return;
|
|
cairo_surface_set_user_data(csurf, &gfxasurface_pointer_key, asurf, SurfaceDestroyFunc);
|
|
}
|
|
|
|
already_AddRefed<gfxASurface>
|
|
gfxASurface::Wrap (cairo_surface_t *csurf)
|
|
{
|
|
gfxASurface *result;
|
|
|
|
/* Do we already have a wrapper for this surface? */
|
|
result = GetSurfaceWrapper(csurf);
|
|
if (result) {
|
|
// fprintf(stderr, "Existing wrapper for %p -> %p\n", csurf, result);
|
|
NS_ADDREF(result);
|
|
return result;
|
|
}
|
|
|
|
/* No wrapper; figure out the surface type and create it */
|
|
cairo_surface_type_t stype = cairo_surface_get_type(csurf);
|
|
|
|
if (stype == CAIRO_SURFACE_TYPE_IMAGE) {
|
|
result = new gfxImageSurface(csurf);
|
|
}
|
|
#ifdef CAIRO_HAS_WIN32_SURFACE
|
|
else if (stype == CAIRO_SURFACE_TYPE_WIN32 ||
|
|
stype == CAIRO_SURFACE_TYPE_WIN32_PRINTING) {
|
|
result = new gfxWindowsSurface(csurf);
|
|
}
|
|
#endif
|
|
#ifdef CAIRO_HAS_D2D_SURFACE
|
|
else if (stype == CAIRO_SURFACE_TYPE_D2D) {
|
|
result = new gfxD2DSurface(csurf);
|
|
}
|
|
#endif
|
|
#ifdef MOZ_X11
|
|
else if (stype == CAIRO_SURFACE_TYPE_XLIB) {
|
|
result = new gfxXlibSurface(csurf);
|
|
}
|
|
#endif
|
|
#ifdef CAIRO_HAS_QUARTZ_SURFACE
|
|
else if (stype == CAIRO_SURFACE_TYPE_QUARTZ) {
|
|
result = new gfxQuartzSurface(csurf);
|
|
}
|
|
else if (stype == CAIRO_SURFACE_TYPE_QUARTZ_IMAGE) {
|
|
result = new gfxQuartzImageSurface(csurf);
|
|
}
|
|
#endif
|
|
#if defined(CAIRO_HAS_QT_SURFACE) && defined(MOZ_WIDGET_QT)
|
|
else if (stype == CAIRO_SURFACE_TYPE_QT) {
|
|
result = new gfxQPainterSurface(csurf);
|
|
}
|
|
#endif
|
|
else {
|
|
result = new gfxUnknownSurface(csurf);
|
|
}
|
|
|
|
// fprintf(stderr, "New wrapper for %p -> %p\n", csurf, result);
|
|
|
|
NS_ADDREF(result);
|
|
return result;
|
|
}
|
|
|
|
void
|
|
gfxASurface::Init(cairo_surface_t* surface, bool existingSurface)
|
|
{
|
|
SetSurfaceWrapper(surface, this);
|
|
|
|
mSurface = surface;
|
|
mSurfaceValid = surface && !cairo_surface_status(surface);
|
|
|
|
if (existingSurface || !mSurfaceValid) {
|
|
mFloatingRefs = 0;
|
|
} else {
|
|
mFloatingRefs = 1;
|
|
#ifdef MOZ_TREE_CAIRO
|
|
if (cairo_surface_get_content(surface) != CAIRO_CONTENT_COLOR) {
|
|
cairo_surface_set_subpixel_antialiasing(surface, CAIRO_SUBPIXEL_ANTIALIASING_DISABLED);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
gfxASurface::gfxSurfaceType
|
|
gfxASurface::GetType() const
|
|
{
|
|
if (!mSurfaceValid)
|
|
return (gfxSurfaceType)-1;
|
|
|
|
return (gfxSurfaceType)cairo_surface_get_type(mSurface);
|
|
}
|
|
|
|
gfxASurface::gfxContentType
|
|
gfxASurface::GetContentType() const
|
|
{
|
|
if (!mSurfaceValid)
|
|
return (gfxContentType)-1;
|
|
|
|
return (gfxContentType)cairo_surface_get_content(mSurface);
|
|
}
|
|
|
|
void
|
|
gfxASurface::SetDeviceOffset(const gfxPoint& offset)
|
|
{
|
|
if (!mSurfaceValid)
|
|
return;
|
|
cairo_surface_set_device_offset(mSurface,
|
|
offset.x, offset.y);
|
|
}
|
|
|
|
gfxPoint
|
|
gfxASurface::GetDeviceOffset() const
|
|
{
|
|
if (!mSurfaceValid)
|
|
return gfxPoint(0.0, 0.0);
|
|
gfxPoint pt;
|
|
cairo_surface_get_device_offset(mSurface, &pt.x, &pt.y);
|
|
return pt;
|
|
}
|
|
|
|
void
|
|
gfxASurface::Flush() const
|
|
{
|
|
if (!mSurfaceValid)
|
|
return;
|
|
cairo_surface_flush(mSurface);
|
|
}
|
|
|
|
void
|
|
gfxASurface::MarkDirty()
|
|
{
|
|
if (!mSurfaceValid)
|
|
return;
|
|
cairo_surface_mark_dirty(mSurface);
|
|
}
|
|
|
|
void
|
|
gfxASurface::MarkDirty(const gfxRect& r)
|
|
{
|
|
if (!mSurfaceValid)
|
|
return;
|
|
cairo_surface_mark_dirty_rectangle(mSurface,
|
|
(int) r.X(), (int) r.Y(),
|
|
(int) r.Width(), (int) r.Height());
|
|
}
|
|
|
|
void
|
|
gfxASurface::SetData(const cairo_user_data_key_t *key,
|
|
void *user_data,
|
|
thebes_destroy_func_t destroy)
|
|
{
|
|
if (!mSurfaceValid)
|
|
return;
|
|
cairo_surface_set_user_data(mSurface, key, user_data, destroy);
|
|
}
|
|
|
|
void *
|
|
gfxASurface::GetData(const cairo_user_data_key_t *key)
|
|
{
|
|
if (!mSurfaceValid)
|
|
return NULL;
|
|
return cairo_surface_get_user_data(mSurface, key);
|
|
}
|
|
|
|
void
|
|
gfxASurface::Finish()
|
|
{
|
|
// null surfaces are allowed here
|
|
cairo_surface_finish(mSurface);
|
|
}
|
|
|
|
already_AddRefed<gfxASurface>
|
|
gfxASurface::CreateSimilarSurface(gfxContentType aContent,
|
|
const gfxIntSize& aSize)
|
|
{
|
|
if (!mSurface || !mSurfaceValid) {
|
|
return nullptr;
|
|
}
|
|
|
|
cairo_surface_t *surface =
|
|
cairo_surface_create_similar(mSurface, cairo_content_t(aContent),
|
|
aSize.width, aSize.height);
|
|
if (cairo_surface_status(surface)) {
|
|
cairo_surface_destroy(surface);
|
|
return nullptr;
|
|
}
|
|
|
|
nsRefPtr<gfxASurface> result = Wrap(surface);
|
|
cairo_surface_destroy(surface);
|
|
return result.forget();
|
|
}
|
|
|
|
int
|
|
gfxASurface::CairoStatus()
|
|
{
|
|
if (!mSurfaceValid)
|
|
return -1;
|
|
|
|
return cairo_surface_status(mSurface);
|
|
}
|
|
|
|
/* static */
|
|
bool
|
|
gfxASurface::CheckSurfaceSize(const gfxIntSize& sz, int32_t limit)
|
|
{
|
|
if (sz.width < 0 || sz.height < 0) {
|
|
NS_WARNING("Surface width or height < 0!");
|
|
return false;
|
|
}
|
|
|
|
// reject images with sides bigger than limit
|
|
if (limit && (sz.width > limit || sz.height > limit)) {
|
|
NS_WARNING("Surface size too large (exceeds caller's limit)!");
|
|
return false;
|
|
}
|
|
|
|
#if defined(XP_MACOSX)
|
|
// CoreGraphics is limited to images < 32K in *height*,
|
|
// so clamp all surfaces on the Mac to that height
|
|
if (sz.height > SHRT_MAX) {
|
|
NS_WARNING("Surface size too large (exceeds CoreGraphics limit)!");
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
// make sure the surface area doesn't overflow a int32_t
|
|
CheckedInt<int32_t> tmp = sz.width;
|
|
tmp *= sz.height;
|
|
if (!tmp.isValid()) {
|
|
NS_WARNING("Surface size too large (would overflow)!");
|
|
return false;
|
|
}
|
|
|
|
// assuming 4-byte stride, make sure the allocation size
|
|
// doesn't overflow a int32_t either
|
|
tmp *= 4;
|
|
if (!tmp.isValid()) {
|
|
NS_WARNING("Allocation too large (would overflow)!");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/* static */
|
|
int32_t
|
|
gfxASurface::FormatStrideForWidth(gfxImageFormat format, int32_t width)
|
|
{
|
|
return cairo_format_stride_for_width((cairo_format_t)format, (int)width);
|
|
}
|
|
|
|
nsresult
|
|
gfxASurface::BeginPrinting(const nsAString& aTitle, const nsAString& aPrintToFileName)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
gfxASurface::EndPrinting()
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
gfxASurface::AbortPrinting()
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
gfxASurface::BeginPage()
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
gfxASurface::EndPage()
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
gfxASurface::gfxContentType
|
|
gfxASurface::ContentFromFormat(gfxImageFormat format)
|
|
{
|
|
switch (format) {
|
|
case ImageFormatARGB32:
|
|
return CONTENT_COLOR_ALPHA;
|
|
case ImageFormatRGB24:
|
|
case ImageFormatRGB16_565:
|
|
return CONTENT_COLOR;
|
|
case ImageFormatA8:
|
|
case ImageFormatA1:
|
|
return CONTENT_ALPHA;
|
|
|
|
case ImageFormatUnknown:
|
|
default:
|
|
return CONTENT_COLOR;
|
|
}
|
|
}
|
|
|
|
void
|
|
gfxASurface::SetSubpixelAntialiasingEnabled(bool aEnabled)
|
|
{
|
|
#ifdef MOZ_TREE_CAIRO
|
|
if (!mSurfaceValid)
|
|
return;
|
|
cairo_surface_set_subpixel_antialiasing(mSurface,
|
|
aEnabled ? CAIRO_SUBPIXEL_ANTIALIASING_ENABLED : CAIRO_SUBPIXEL_ANTIALIASING_DISABLED);
|
|
#endif
|
|
}
|
|
|
|
bool
|
|
gfxASurface::GetSubpixelAntialiasingEnabled()
|
|
{
|
|
if (!mSurfaceValid)
|
|
return false;
|
|
#ifdef MOZ_TREE_CAIRO
|
|
return cairo_surface_get_subpixel_antialiasing(mSurface) == CAIRO_SUBPIXEL_ANTIALIASING_ENABLED;
|
|
#else
|
|
return true;
|
|
#endif
|
|
}
|
|
|
|
gfxASurface::MemoryLocation
|
|
gfxASurface::GetMemoryLocation() const
|
|
{
|
|
return MEMORY_IN_PROCESS_HEAP;
|
|
}
|
|
|
|
int32_t
|
|
gfxASurface::BytePerPixelFromFormat(gfxImageFormat format)
|
|
{
|
|
switch (format) {
|
|
case ImageFormatARGB32:
|
|
case ImageFormatRGB24:
|
|
return 4;
|
|
case ImageFormatRGB16_565:
|
|
return 2;
|
|
case ImageFormatA8:
|
|
return 1;
|
|
default:
|
|
NS_WARNING("Unknown byte per pixel value for Image format");
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
gfxASurface::FastMovePixels(const nsIntRect& aSourceRect,
|
|
const nsIntPoint& aDestTopLeft)
|
|
{
|
|
// Used when the backend can internally handle self copies.
|
|
nsIntRect dest(aDestTopLeft, aSourceRect.Size());
|
|
|
|
nsRefPtr<gfxContext> ctx = new gfxContext(this);
|
|
ctx->SetOperator(gfxContext::OPERATOR_SOURCE);
|
|
nsIntPoint srcOrigin = dest.TopLeft() - aSourceRect.TopLeft();
|
|
ctx->SetSource(this, gfxPoint(srcOrigin.x, srcOrigin.y));
|
|
ctx->Rectangle(gfxRect(dest.x, dest.y, dest.width, dest.height));
|
|
ctx->Fill();
|
|
}
|
|
|
|
void
|
|
gfxASurface::MovePixels(const nsIntRect& aSourceRect,
|
|
const nsIntPoint& aDestTopLeft)
|
|
{
|
|
// Assume the backend can't handle self copying well and allocate
|
|
// a temporary surface instead.
|
|
nsRefPtr<gfxASurface> tmp =
|
|
CreateSimilarSurface(GetContentType(),
|
|
gfxIntSize(aSourceRect.width, aSourceRect.height));
|
|
// CreateSimilarSurface can return nullptr if the current surface is
|
|
// in an error state. This isn't good, but its better to carry
|
|
// on with the error surface instead of crashing.
|
|
NS_ASSERTION(tmp, "Must have temporary surface to move pixels!");
|
|
if (!tmp) {
|
|
return;
|
|
}
|
|
nsRefPtr<gfxContext> ctx = new gfxContext(tmp);
|
|
ctx->SetOperator(gfxContext::OPERATOR_SOURCE);
|
|
ctx->SetSource(this, gfxPoint(-aSourceRect.x, -aSourceRect.y));
|
|
ctx->Paint();
|
|
|
|
ctx = new gfxContext(this);
|
|
ctx->SetOperator(gfxContext::OPERATOR_SOURCE);
|
|
ctx->SetSource(tmp, gfxPoint(aDestTopLeft.x, aDestTopLeft.y));
|
|
ctx->Rectangle(gfxRect(aDestTopLeft.x,
|
|
aDestTopLeft.y,
|
|
aSourceRect.width,
|
|
aSourceRect.height));
|
|
ctx->Fill();
|
|
}
|
|
|
|
/** Memory reporting **/
|
|
|
|
static const char *sDefaultSurfaceDescription =
|
|
"Memory used by gfx surface of the given type.";
|
|
|
|
struct SurfaceMemoryReporterAttrs {
|
|
const char *path;
|
|
const char *description;
|
|
};
|
|
|
|
static const SurfaceMemoryReporterAttrs sSurfaceMemoryReporterAttrs[] = {
|
|
{"gfx-surface-image", nullptr},
|
|
{"gfx-surface-pdf", nullptr},
|
|
{"gfx-surface-ps", nullptr},
|
|
{"gfx-surface-xlib",
|
|
"Memory used by xlib surfaces to store pixmaps. This memory lives in "
|
|
"the X server's process rather than in this application, so the bytes "
|
|
"accounted for here aren't counted in vsize, resident, explicit, or any of "
|
|
"the other measurements on this page."},
|
|
{"gfx-surface-xcb", nullptr},
|
|
{"gfx-surface-glitz???", nullptr}, // should never be used
|
|
{"gfx-surface-quartz", nullptr},
|
|
{"gfx-surface-win32", nullptr},
|
|
{"gfx-surface-beos", nullptr},
|
|
{"gfx-surface-directfb???", nullptr}, // should never be used
|
|
{"gfx-surface-svg", nullptr},
|
|
{"gfx-surface-os2", nullptr},
|
|
{"gfx-surface-win32printing", nullptr},
|
|
{"gfx-surface-quartzimage", nullptr},
|
|
{"gfx-surface-script", nullptr},
|
|
{"gfx-surface-qpainter", nullptr},
|
|
{"gfx-surface-recording", nullptr},
|
|
{"gfx-surface-vg", nullptr},
|
|
{"gfx-surface-gl", nullptr},
|
|
{"gfx-surface-drm", nullptr},
|
|
{"gfx-surface-tee", nullptr},
|
|
{"gfx-surface-xml", nullptr},
|
|
{"gfx-surface-skia", nullptr},
|
|
{"gfx-surface-subsurface", nullptr},
|
|
{"gfx-surface-d2d", nullptr},
|
|
};
|
|
|
|
PR_STATIC_ASSERT(NS_ARRAY_LENGTH(sSurfaceMemoryReporterAttrs) ==
|
|
gfxASurface::SurfaceTypeMax);
|
|
#ifdef CAIRO_HAS_D2D_SURFACE
|
|
PR_STATIC_ASSERT(uint32_t(CAIRO_SURFACE_TYPE_D2D) ==
|
|
uint32_t(gfxASurface::SurfaceTypeD2D));
|
|
#endif
|
|
PR_STATIC_ASSERT(uint32_t(CAIRO_SURFACE_TYPE_SKIA) ==
|
|
uint32_t(gfxASurface::SurfaceTypeSkia));
|
|
|
|
/* Surface size memory reporting */
|
|
|
|
static int64_t gSurfaceMemoryUsed[gfxASurface::SurfaceTypeMax] = { 0 };
|
|
|
|
class SurfaceMemoryReporter MOZ_FINAL :
|
|
public nsIMemoryMultiReporter
|
|
{
|
|
public:
|
|
SurfaceMemoryReporter()
|
|
{ }
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
NS_IMETHOD GetName(nsACString &name)
|
|
{
|
|
name.AssignLiteral("gfx-surface");
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHOD CollectReports(nsIMemoryMultiReporterCallback *aCb,
|
|
nsISupports *aClosure)
|
|
{
|
|
size_t len = NS_ARRAY_LENGTH(sSurfaceMemoryReporterAttrs);
|
|
for (size_t i = 0; i < len; i++) {
|
|
int64_t amount = gSurfaceMemoryUsed[i];
|
|
|
|
if (amount != 0) {
|
|
const char *path = sSurfaceMemoryReporterAttrs[i].path;
|
|
const char *desc = sSurfaceMemoryReporterAttrs[i].description;
|
|
if (!desc) {
|
|
desc = sDefaultSurfaceDescription;
|
|
}
|
|
|
|
nsresult rv = aCb->Callback(EmptyCString(), nsCString(path),
|
|
nsIMemoryReporter::KIND_OTHER,
|
|
nsIMemoryReporter::UNITS_BYTES,
|
|
gSurfaceMemoryUsed[i],
|
|
nsCString(desc), aClosure);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHOD GetExplicitNonHeap(int64_t *n)
|
|
{
|
|
*n = 0; // this reporter makes neither "explicit" non NONHEAP reports
|
|
return NS_OK;
|
|
}
|
|
};
|
|
|
|
NS_IMPL_ISUPPORTS1(SurfaceMemoryReporter, nsIMemoryMultiReporter)
|
|
|
|
void
|
|
gfxASurface::RecordMemoryUsedForSurfaceType(gfxASurface::gfxSurfaceType aType,
|
|
int32_t aBytes)
|
|
{
|
|
if (aType < 0 || aType >= SurfaceTypeMax) {
|
|
NS_WARNING("Invalid type to RecordMemoryUsedForSurfaceType!");
|
|
return;
|
|
}
|
|
|
|
static bool registered = false;
|
|
if (!registered) {
|
|
NS_RegisterMemoryMultiReporter(new SurfaceMemoryReporter());
|
|
registered = true;
|
|
}
|
|
|
|
gSurfaceMemoryUsed[aType] += aBytes;
|
|
}
|
|
|
|
void
|
|
gfxASurface::RecordMemoryUsed(int32_t aBytes)
|
|
{
|
|
RecordMemoryUsedForSurfaceType(GetType(), aBytes);
|
|
mBytesRecorded += aBytes;
|
|
}
|
|
|
|
void
|
|
gfxASurface::RecordMemoryFreed()
|
|
{
|
|
if (mBytesRecorded) {
|
|
RecordMemoryUsedForSurfaceType(GetType(), -mBytesRecorded);
|
|
mBytesRecorded = 0;
|
|
}
|
|
}
|
|
|
|
#ifdef MOZ_DUMP_IMAGES
|
|
void
|
|
gfxASurface::WriteAsPNG(const char* aFile)
|
|
{
|
|
FILE *file = fopen(aFile, "wb");
|
|
if (file) {
|
|
WriteAsPNG_internal(file, true);
|
|
fclose(file);
|
|
} else {
|
|
NS_WARNING("Failed to create file!\n");
|
|
}
|
|
}
|
|
|
|
void
|
|
gfxASurface::DumpAsDataURL(FILE* aOutput)
|
|
{
|
|
WriteAsPNG_internal(aOutput, false);
|
|
}
|
|
|
|
void
|
|
gfxASurface::PrintAsDataURL()
|
|
{
|
|
WriteAsPNG_internal(stdout, false);
|
|
fprintf(stdout, "\n");
|
|
}
|
|
|
|
void
|
|
gfxASurface::CopyAsDataURL()
|
|
{
|
|
WriteAsPNG_internal(nullptr, false);
|
|
}
|
|
|
|
/**
|
|
* Write to a PNG file. If aBinary is true, then it is written
|
|
* as binary, otherwise as a data URL. If no file is specified then
|
|
* data is copied to the clipboard (must not be binary!).
|
|
*/
|
|
void
|
|
gfxASurface::WriteAsPNG_internal(FILE* aFile, bool aBinary)
|
|
{
|
|
nsRefPtr<gfxImageSurface> imgsurf = GetAsImageSurface();
|
|
gfxIntSize size;
|
|
|
|
if (!imgsurf) {
|
|
size = GetSize();
|
|
if (size.width == -1 && size.height == -1) {
|
|
printf("Could not determine surface size\n");
|
|
return;
|
|
}
|
|
|
|
imgsurf =
|
|
new gfxImageSurface(gfxIntSize(size.width, size.height),
|
|
gfxASurface::ImageFormatARGB32);
|
|
|
|
if (!imgsurf || imgsurf->CairoStatus()) {
|
|
printf("Could not allocate image surface\n");
|
|
return;
|
|
}
|
|
|
|
nsRefPtr<gfxContext> ctx = new gfxContext(imgsurf);
|
|
if (!ctx || ctx->HasError()) {
|
|
printf("Could not allocate image context\n");
|
|
return;
|
|
}
|
|
|
|
ctx->SetOperator(gfxContext::OPERATOR_SOURCE);
|
|
ctx->SetSource(this, gfxPoint(0, 0));
|
|
ctx->Paint();
|
|
}
|
|
size = imgsurf->GetSize();
|
|
|
|
nsCOMPtr<imgIEncoder> encoder =
|
|
do_CreateInstance("@mozilla.org/image/encoder;2?type=image/png");
|
|
if (!encoder) {
|
|
int32_t w = NS_MIN(size.width, 8);
|
|
int32_t h = NS_MIN(size.height, 8);
|
|
printf("Could not create encoder. Printing %dx%d pixels.\n", w, h);
|
|
for (int32_t y = 0; y < h; ++y) {
|
|
for (int32_t x = 0; x < w; ++x) {
|
|
printf("%x ", reinterpret_cast<uint32_t*>(imgsurf->Data())[y*imgsurf->Stride()+ x]);
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
|
|
nsresult rv = encoder->InitFromData(imgsurf->Data(),
|
|
size.width * size.height * 4,
|
|
size.width,
|
|
size.height,
|
|
imgsurf->Stride(),
|
|
imgIEncoder::INPUT_FORMAT_HOSTARGB,
|
|
NS_LITERAL_STRING(""));
|
|
if (NS_FAILED(rv))
|
|
return;
|
|
|
|
nsCOMPtr<nsIInputStream> imgStream;
|
|
CallQueryInterface(encoder.get(), getter_AddRefs(imgStream));
|
|
if (!imgStream)
|
|
return;
|
|
|
|
uint64_t bufSize64;
|
|
rv = imgStream->Available(&bufSize64);
|
|
if (NS_FAILED(rv))
|
|
return;
|
|
|
|
if (bufSize64 > UINT32_MAX - 16)
|
|
return;
|
|
|
|
uint32_t bufSize = (uint32_t)bufSize64;
|
|
|
|
// ...leave a little extra room so we can call read again and make sure we
|
|
// got everything. 16 bytes for better padding (maybe)
|
|
bufSize += 16;
|
|
uint32_t imgSize = 0;
|
|
char* imgData = (char*)PR_Malloc(bufSize);
|
|
if (!imgData)
|
|
return;
|
|
uint32_t numReadThisTime = 0;
|
|
while ((rv = imgStream->Read(&imgData[imgSize],
|
|
bufSize - imgSize,
|
|
&numReadThisTime)) == NS_OK && numReadThisTime > 0)
|
|
{
|
|
imgSize += numReadThisTime;
|
|
if (imgSize == bufSize) {
|
|
// need a bigger buffer, just double
|
|
bufSize *= 2;
|
|
char* newImgData = (char*)PR_Realloc(imgData, bufSize);
|
|
if (!newImgData) {
|
|
PR_Free(imgData);
|
|
return;
|
|
}
|
|
imgData = newImgData;
|
|
}
|
|
}
|
|
|
|
if (aBinary) {
|
|
if (aFile) {
|
|
fwrite(imgData, 1, imgSize, aFile);
|
|
} else {
|
|
NS_WARNING("Can't write binary image data without a file!");
|
|
}
|
|
return;
|
|
}
|
|
|
|
// base 64, result will be NULL terminated
|
|
char* encodedImg = PL_Base64Encode(imgData, imgSize, nullptr);
|
|
PR_Free(imgData);
|
|
if (!encodedImg) // not sure why this would fail
|
|
return;
|
|
|
|
nsCString string("data:image/png;base64,");
|
|
string.Append(encodedImg);
|
|
|
|
if (aFile) {
|
|
#ifdef ANDROID
|
|
if (aFile == stdout || aFile == stderr) {
|
|
// ADB logcat cuts off long strings so we will break it down
|
|
const char* cStr = string.BeginReading();
|
|
size_t len = strlen(cStr);
|
|
while (true) {
|
|
printf_stderr("IMG: %.140s\n", cStr);
|
|
if (len <= 140)
|
|
break;
|
|
len -= 140;
|
|
cStr += 140;
|
|
}
|
|
}
|
|
#endif
|
|
fprintf(aFile, "%s", string.BeginReading());
|
|
} else {
|
|
nsCOMPtr<nsIClipboardHelper> clipboard(do_GetService("@mozilla.org/widget/clipboardhelper;1", &rv));
|
|
if (clipboard) {
|
|
clipboard->CopyString(NS_ConvertASCIItoUTF16(string), nullptr);
|
|
}
|
|
}
|
|
|
|
PR_Free(encodedImg);
|
|
|
|
return;
|
|
}
|
|
#endif
|
|
|