- Win: Improve redraw and scrolling performance (issue #360).

- Win: Fix CefBrowser::GetImage() and add "Get Image" example to cefclient (issue #377).
- Pass the list of dirty rectangles to CefRenderHandler::Paint(). (issue #415).

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@368 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
This commit is contained in:
Marshall Greenblatt 2011-11-09 20:09:24 +00:00
parent 85ebe06965
commit 587eb7871d
17 changed files with 313 additions and 139 deletions

View File

@ -1602,6 +1602,7 @@ class CefRenderHandler : public virtual CefBase
{
public:
typedef cef_paint_element_type_t PaintElementType;
typedef std::vector<CefRect> RectList;
///
// Called to retrieve the view rectangle which is relative to screen
@ -1649,14 +1650,14 @@ public:
///
// Called when an element should be painted. |type| indicates whether the
// element is the view or the popup widget. |buffer| contains the pixel data
// for the whole image. |dirtyRect| indicates the portion of the image that
// has been repainted. On Windows |buffer| will be width*height*4 bytes in
// size and represents a BGRA image with an upper-left origin.
// for the whole image. |dirtyRects| contains the set of rectangles that need
// to be repainted. On Windows |buffer| will be width*height*4 bytes in size
// and represents a BGRA image with an upper-left origin.
///
/*--cef()--*/
virtual void OnPaint(CefRefPtr<CefBrowser> browser,
PaintElementType type,
const CefRect& dirtyRect,
const RectList& dirtyRects,
const void* buffer) {}
///

View File

@ -1428,13 +1428,14 @@ typedef struct _cef_render_handler_t
///
// Called when an element should be painted. |type| indicates whether the
// element is the view or the popup widget. |buffer| contains the pixel data
// for the whole image. |dirtyRect| indicates the portion of the image that
// has been repainted. On Windows |buffer| will be width*height*4 bytes in
// size and represents a BGRA image with an upper-left origin.
// for the whole image. |dirtyRects| contains the set of rectangles that need
// to be repainted. On Windows |buffer| will be width*height*4 bytes in size
// and represents a BGRA image with an upper-left origin.
///
void (CEF_CALLBACK *on_paint)(struct _cef_render_handler_t* self,
struct _cef_browser_t* browser, enum cef_paint_element_type_t type,
const cef_rect_t* dirtyRect, const void* buffer);
size_t dirtyRectCount, cef_rect_t const* dirtyRects,
const void* buffer);
///
// Called when the browser window's cursor has changed.

View File

@ -86,9 +86,8 @@ CefBrowserImpl::PaintDelegate::~PaintDelegate()
{
}
void CefBrowserImpl::PaintDelegate::Paint(bool popup,
const gfx::Rect& dirtyRect,
const void* buffer)
void CefBrowserImpl::PaintDelegate::Paint(
bool popup, const std::vector<CefRect>& dirtyRects, const void* buffer)
{
CefRefPtr<CefClient> client = browser_->GetClient();
if (!client.get())
@ -97,9 +96,7 @@ void CefBrowserImpl::PaintDelegate::Paint(bool popup,
if (!handler.get())
return;
CefRect rect(dirtyRect.x(), dirtyRect.y(), dirtyRect.width(),
dirtyRect.height());
handler->OnPaint(browser_, (popup?PET_POPUP:PET_VIEW), rect, buffer);
handler->OnPaint(browser_, (popup?PET_POPUP:PET_VIEW), dirtyRects, buffer);
}
@ -1024,8 +1021,15 @@ void CefBrowserImpl::UIT_Invalidate(const CefRect& dirtyRect)
REQUIRE_UIT();
WebViewHost* host = UIT_GetWebViewHost();
if (host) {
host->InvalidateRect(gfx::Rect(dirtyRect.x, dirtyRect.y, dirtyRect.width,
dirtyRect.height));
gfx::Rect rect(dirtyRect.x, dirtyRect.y, dirtyRect.width,
dirtyRect.height);
// Used when window rendering is disabled to send the specified region to
// the paint delegate when WebWidget::Paint() is next called.
host->UpdateRedrawRect(rect);
// Cause WebWidget::Paint() to be called when next appropriate.
host->InvalidateRect(rect);
}
}

View File

@ -42,8 +42,8 @@ public:
PaintDelegate(CefBrowserImpl* browser);
virtual ~PaintDelegate();
virtual void Paint(bool popup, const gfx::Rect& dirtyRect,
const void* buffer);
virtual void Paint(bool popup, const std::vector<CefRect>& dirtyRects,
const void* buffer) OVERRIDE;
protected:
CefBrowserImpl* browser_;

View File

@ -21,7 +21,18 @@ void WebWidgetHost::ScheduleAnimation() {
}
void WebWidgetHost::UpdatePaintRect(const gfx::Rect& rect) {
#if defined(OS_WIN)
paint_rgn_.op(rect.x(), rect.y(), rect.right(), rect.bottom(),
SkRegion::kUnion_Op);
#else
// TODO: Update all ports to use regions instead of rectangles.
paint_rect_ = paint_rect_.Union(rect);
#endif
}
void WebWidgetHost::UpdateRedrawRect(const gfx::Rect& rect) {
if (!view_)
redraw_rect_ = redraw_rect_.Union(rect);
}
void WebWidgetHost::SetSize(int width, int height) {
@ -80,19 +91,14 @@ gfx::PluginWindowHandle WebWidgetHost::GetWindowedPluginAt(int x, int y)
void WebWidgetHost::DoPaint() {
has_update_task_ = false;
if (update_rect_.IsEmpty())
return;
// TODO(cef): The below code is cross-platform but the IsIdle() method
// currently requires patches to Chromium. Since this code is only executed
// on Windows it's been stuck behind an #ifdef for now to avoid having to
// patch Chromium code on other platforms.
#if defined(OS_WIN)
if (MessageLoop::current()->IsIdle()) {
// Perform the paint.
UpdatePaintRect(update_rect_);
update_rect_ = gfx::Rect();
Paint(update_rect_);
// Paint to the delegate. The rect argument is unused.
Paint(gfx::Rect());
} else {
// Try again later.
has_update_task_ = true;

View File

@ -7,6 +7,7 @@
#include "include/internal/cef_string.h"
#include "include/internal/cef_types.h"
#include "include/internal/cef_types_wrappers.h"
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
@ -15,6 +16,7 @@
#include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebRect.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebTextInputType.h"
#include "third_party/skia/include/core/SkRegion.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/gfx/rect.h"
#include "webkit/plugins/npapi/webplugin.h"
@ -53,7 +55,7 @@ class WebWidgetHost {
public:
class PaintDelegate {
public:
virtual void Paint(bool popup, const gfx::Rect& dirtyRect,
virtual void Paint(bool popup, const std::vector<CefRect>& dirtyRects,
const void* buffer) =0;
};
@ -77,10 +79,14 @@ class WebWidgetHost {
void SetCursor(HCURSOR cursor);
#endif
// Allow clients to update the paint rect. For example, if we get a gdk
// expose or WM_PAINT event, we need to update the paint rect.
// Update the region that will be painted to the canvas by WebKit the next
// time that Paint() is called.
void UpdatePaintRect(const gfx::Rect& rect);
// Update the region that will be drawn to the device the next time Paint()
// is called. This is only used when window rendering is disabled.
void UpdateRedrawRect(const gfx::Rect& rect);
void Paint(const gfx::Rect& dirty_rect);
void InvalidateRect(const gfx::Rect& rect);
@ -183,8 +189,6 @@ class WebWidgetHost {
void TrackMouseLeave(bool enable);
#endif
void ResetScrollRect();
void set_painting(bool value) {
painting_ = value;
}
@ -207,18 +211,19 @@ class WebWidgetHost {
bool popup_;
// Specifies the portion of the webwidget that needs painting.
// TODO: Update all ports to use regions instead of rectangles.
#if defined(OS_WIN)
SkRegion paint_rgn_;
#else
gfx::Rect paint_rect_;
#endif
// Specifies the portion of the webwidget that needs scrolling.
gfx::Rect scroll_rect_;
int scroll_dx_;
int scroll_dy_;
// Specifies the portion of the webwidget that has been invalidated when
// window rendering is disabled.
gfx::Rect update_rect_;
// True if an update task is pending when window rendering is disabled.
bool has_update_task_;
// Redraw rectangle requested by an explicit call to CefBrowser::Invalidate().
gfx::Rect redraw_rect_;
// The map of windowed plugins that need to be drawn when window rendering is
// disabled.
typedef std::map<gfx::PluginWindowHandle,webkit::npapi::WebPluginGeometry>

View File

@ -322,8 +322,6 @@ WebWidgetHost::WebWidgetHost()
canvas_w_(0),
canvas_h_(0),
popup_(false),
scroll_dx_(0),
scroll_dy_(0),
has_update_task_(false),
ALLOW_THIS_IN_INITIALIZER_LIST(weak_factory_(this)) {
set_painting(false);

View File

@ -19,6 +19,7 @@
#include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/win/WebInputEventFactory.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/win/WebScreenInfoFactory.h"
#include "third_party/skia/include/core/SkRegion.h"
#include "ui/base/ime/composition_text.h"
#include "ui/base/range/range.h"
#include "ui/base/win/hwnd_util.h"
@ -66,6 +67,11 @@ void SendMessageToPlugin(HWND hwnd, UINT message, WPARAM wParam,
EnumChildWindows(hwnd, SendMessageFunc, reinterpret_cast<LPARAM>(&info));
}
inline SkIRect convertToSkiaRect(const gfx::Rect& r)
{
return SkIRect::MakeLTRB(r.x(), r.y(), r.right(), r.bottom());
}
} // namespace
/*static*/
@ -117,11 +123,8 @@ LRESULT CALLBACK WebWidgetHost::WndProc(HWND hwnd, UINT message, WPARAM wparam,
if (host && !host->WndProc(message, wparam, lparam)) {
switch (message) {
case WM_PAINT: {
// Paint to the window.
RECT rect;
if (GetUpdateRect(hwnd, &rect, FALSE))
host->UpdatePaintRect(gfx::Rect(rect));
host->Paint(gfx::Rect(rect));
// Paint to the window. The rect argument is unused.
host->Paint(gfx::Rect());
return 0;
}
@ -265,15 +268,10 @@ LRESULT CALLBACK WebWidgetHost::WndProc(HWND hwnd, UINT message, WPARAM wparam,
void WebWidgetHost::DidInvalidateRect(const gfx::Rect& damaged_rect) {
DLOG_IF(WARNING, painting_) << "unexpected invalidation while painting";
// If this invalidate overlaps with a pending scroll, then we have to
// downgrade to invalidating the scroll rect.
if (damaged_rect.Intersects(scroll_rect_)) {
paint_rect_ = paint_rect_.Union(scroll_rect_);
ResetScrollRect();
}
paint_rect_ = paint_rect_.Union(damaged_rect);
InvalidateRect(gfx::Rect(damaged_rect));
// If this invalidate overlaps with a pending scroll then we have to downgrade
// to invalidating the scroll rect.
UpdatePaintRect(damaged_rect);
InvalidateRect(damaged_rect);
if (!popup_ && view_) {
CefThread::PostTask(CefThread::UI, FROM_HERE, NewRunnableFunction(
@ -282,25 +280,31 @@ void WebWidgetHost::DidInvalidateRect(const gfx::Rect& damaged_rect) {
}
void WebWidgetHost::DidScrollRect(int dx, int dy, const gfx::Rect& clip_rect) {
if (dx != 0 && dy != 0) {
// We only support uni-directional scroll
DidScrollRect(0, dy, clip_rect);
dy = 0;
DCHECK(dx || dy);
// Invalidate and re-paint the entire scroll rect if:
// 1. We're in a state where we cannot draw into the view right now, or
// 2. The rect is being scrolled by more than the size of the view, or
// 3. The scroll rect intersects the current paint region.
if (!canvas_.get() || layouting_ || painting_ ||
abs(dx) >= clip_rect.width() || abs(dy) >= clip_rect.height() ||
paint_rgn_.intersects(convertToSkiaRect(clip_rect))) {
DidInvalidateRect(clip_rect);
return;
}
// If we already have a pending scroll operation or if this scroll operation
// intersects the existing paint region, then just failover to invalidating.
if (!scroll_rect_.IsEmpty() || paint_rect_.Intersects(clip_rect)) {
paint_rect_ = paint_rect_.Union(scroll_rect_);
ResetScrollRect();
paint_rect_ = paint_rect_.Union(clip_rect);
// Scroll the canvas bitmap.
{
skia::ScopedPlatformPaint scoped_platform_paint(canvas_.get());
HDC hdc = scoped_platform_paint.GetPlatformSurface();
RECT clip_rect_win32 = clip_rect.ToRECT(), uncovered_rect = {0,0,0,0};
ScrollDC(hdc, dx, dy, NULL, &clip_rect_win32, NULL, &uncovered_rect);
UpdatePaintRect(gfx::Rect(uncovered_rect));
}
// We will perform scrolling lazily, when requested to actually paint.
scroll_rect_ = clip_rect;
scroll_dx_ = dx;
scroll_dy_ = dy;
// Invalidate the scroll rect. It will be drawn from the canvas bitmap on the
// next WM_PAINT call.
InvalidateRect(clip_rect);
}
@ -326,13 +330,12 @@ WebWidgetHost::WebWidgetHost()
canvas_h_(0),
popup_(false),
track_mouse_leave_(false),
scroll_dx_(0),
scroll_dy_(0),
has_update_task_(false),
tooltip_view_(NULL),
tooltip_showing_(false),
ime_notification_(false),
input_method_is_active_(false),
layouting_(false),
text_input_type_(WebKit::WebTextInputTypeNone),
ALLOW_THIS_IN_INITIALIZER_LIST(weak_factory_(this)) {
set_painting(false);
@ -359,14 +362,19 @@ bool WebWidgetHost::WndProc(UINT message, WPARAM wparam, LPARAM lparam) {
return false;
}
void WebWidgetHost::Paint(const gfx::Rect& dirty_rect) {
if (canvas_.get() && paint_rect_.IsEmpty())
return;
void WebWidgetHost::Paint(const gfx::Rect& /*dirty_rect*/) {
int width, height;
GetSize(width, height);
gfx::Rect client_rect(width, height);
gfx::Rect damaged_rect;
// Damaged rectangle used for drawing when window rendering is disabled.
SkRegion damaged_rgn;
if (!view_ && !redraw_rect_.IsEmpty()) {
// At a minimum we need to send the delegate the rectangle that was
// requested by calling CefBrowser::InvalidateRect().
damaged_rgn.setRect(convertToSkiaRect(redraw_rect_));
redraw_rect_ = gfx::Rect();
}
if (view_ && !webwidget_->isAcceleratedCompositingActive()) {
// Number of pixels that the canvas is allowed to differ from the client
@ -378,8 +386,7 @@ void WebWidgetHost::Paint(const gfx::Rect& dirty_rect) {
canvas_h_ < client_rect.height() ||
canvas_w_ > client_rect.width() + kCanvasGrowSize * 2 ||
canvas_h_ > client_rect.height() + kCanvasGrowSize * 2) {
ResetScrollRect();
paint_rect_ = client_rect;
paint_rgn_.setRect(convertToSkiaRect(client_rect));
// Resize the canvas to be within a reasonable size of the client area.
canvas_w_ = client_rect.width() + kCanvasGrowSize;
@ -388,8 +395,7 @@ void WebWidgetHost::Paint(const gfx::Rect& dirty_rect) {
}
} else if(!canvas_.get() || canvas_w_ != client_rect.width() ||
canvas_h_ != client_rect.height()) {
ResetScrollRect();
paint_rect_ = client_rect;
paint_rgn_.setRect(convertToSkiaRect(client_rect));
// The canvas must be the exact size of the client area.
canvas_w_ = client_rect.width();
@ -397,41 +403,40 @@ void WebWidgetHost::Paint(const gfx::Rect& dirty_rect) {
canvas_.reset(new skia::PlatformCanvas(canvas_w_, canvas_h_, true));
}
layouting_ = true;
webwidget_->animate(0.0);
// This may result in more invalidation
// This may result in more invalidation.
webwidget_->layout();
// Scroll the canvas if necessary
scroll_rect_ = client_rect.Intersect(scroll_rect_);
if (!scroll_rect_.IsEmpty()) {
skia::ScopedPlatformPaint scoped_platform_paint(canvas_.get());
HDC hdc = scoped_platform_paint.GetPlatformSurface();
layouting_ = false;
RECT damaged_scroll_rect, r = scroll_rect_.ToRECT();
ScrollDC(hdc, scroll_dx_, scroll_dy_, NULL, &r, NULL, &damaged_scroll_rect);
PaintRect(gfx::Rect(damaged_scroll_rect));
}
ResetScrollRect();
// Paint the canvas if necessary. Allow painting to generate extra rects the
// first time we call it. This is necessary because some WebCore rendering
// Paint the canvas if necessary. Allow painting to generate extra rects the
// first time we call it. This is necessary because some WebCore rendering
// objects update their layout only when painted.
for (int i = 0; i < 2; ++i) {
paint_rect_ = client_rect.Intersect(paint_rect_);
damaged_rect = damaged_rect.Union(paint_rect_);
if (!paint_rect_.IsEmpty()) {
gfx::Rect rect(paint_rect_);
paint_rect_ = gfx::Rect();
SkRegion draw_rgn;
draw_rgn.swap(paint_rgn_);
DLOG_IF(WARNING, i == 1) << "painting caused additional invalidations";
PaintRect(rect);
// Draw each dirty rect in the region.
SkRegion::Cliperator iterator(draw_rgn, convertToSkiaRect(client_rect));
for (; !iterator.done(); iterator.next()) {
const SkIRect& r = iterator.rect();
gfx::Rect paint_rect =
gfx::Rect(r.left(), r.top(), r.width(), r.height());
PaintRect(paint_rect);
if (!view_)
damaged_rgn.op(convertToSkiaRect(paint_rect), SkRegion::kUnion_Op);
}
}
DCHECK(paint_rect_.IsEmpty());
if (plugin_map_.size() > 0) {
if (paint_rgn_.isEmpty())
break;
}
DCHECK(paint_rgn_.isEmpty());
if (!view_ && plugin_map_.size() > 0) {
typedef std::list<const WebPluginGeometry*> PluginList;
PluginList visible_plugins;
@ -476,11 +481,14 @@ void WebWidgetHost::Paint(const gfx::Rect& dirty_rect) {
SetViewportOrgEx(drawDC, oldViewport.x, oldViewport.y, NULL);
SelectClipRgn(drawDC, oldRGN);
damaged_rect = damaged_rect.Union(geom->window_rect);
}
if (!view_) {
damaged_rgn.op(convertToSkiaRect(geom->window_rect),
SkRegion::kUnion_Op);
}
// Make sure the damaged rectangle is inside the client rectangle.
damaged_rect = damaged_rect.Intersect(client_rect);
DeleteObject(oldRGN);
DeleteObject(newRGN);
}
}
}
@ -494,13 +502,22 @@ void WebWidgetHost::Paint(const gfx::Rect& dirty_rect) {
// Draw children
UpdateWindow(view_);
} else {
} else if(!damaged_rgn.isEmpty()) {
// Paint to the delegate.
DCHECK(paint_delegate_);
const SkBitmap& bitmap = canvas_->getDevice()->accessBitmap(false);
DCHECK(bitmap.config() == SkBitmap::kARGB_8888_Config);
const void* pixels = bitmap.getPixels();
paint_delegate_->Paint(popup_, damaged_rect, pixels);
std::vector<CefRect> damaged_rects;
SkRegion::Cliperator iterator(damaged_rgn, convertToSkiaRect(client_rect));
for (; !iterator.done(); iterator.next()) {
const SkIRect& r = iterator.rect();
damaged_rects.push_back(
CefRect(r.left(), r.top(), r.width(), r.height()));
}
paint_delegate_->Paint(popup_, damaged_rects, pixels);
}
}
@ -511,12 +528,10 @@ void WebWidgetHost::InvalidateRect(const gfx::Rect& rect)
if (view_) {
// Let the window handle painting.
RECT r = {rect.x(), rect.y(), rect.x() + rect.width(),
rect.y() + rect.height()};
RECT r = rect.ToRECT();
::InvalidateRect(view_, &r, FALSE);
} else {
// The update rectangle will be painted by DoPaint().
update_rect_ = update_rect_.Union(rect);
// Paint() will be called by DoPaint().
if (!has_update_task_) {
has_update_task_ = true;
CefThread::PostTask(CefThread::UI, FROM_HERE,
@ -527,15 +542,28 @@ void WebWidgetHost::InvalidateRect(const gfx::Rect& rect)
bool WebWidgetHost::GetImage(int width, int height, void* buffer)
{
if (!canvas_.get())
return false;
DCHECK(width == canvas_->getDevice()->width());
DCHECK(height == canvas_->getDevice()->height());
const SkBitmap& bitmap = canvas_->getDevice()->accessBitmap(false);
DCHECK(bitmap.config() == SkBitmap::kARGB_8888_Config);
const void* pixels = bitmap.getPixels();
if (width == canvas_->getDevice()->width() &&
height == canvas_->getDevice()->height()) {
// The specified width and height values are the same as the canvas size.
// Return the existing canvas contents.
const void* pixels = bitmap.getPixels();
memcpy(buffer, pixels, width * height * 4);
return true;
}
// Create a new canvas of the requested size.
scoped_ptr<skia::PlatformCanvas> new_canvas(
new skia::PlatformCanvas(width, height, true));
new_canvas->writePixels(bitmap, 0, 0);
const SkBitmap& new_bitmap = new_canvas->getDevice()->accessBitmap(false);
DCHECK(new_bitmap.config() == SkBitmap::kARGB_8888_Config);
// Return the new canvas contents.
const void* pixels = new_bitmap.getPixels();
memcpy(buffer, pixels, width * height * 4);
return true;
}
@ -704,12 +732,6 @@ void WebWidgetHost::TrackMouseLeave(bool track) {
TrackMouseEvent(&tme);
}
void WebWidgetHost::ResetScrollRect() {
scroll_rect_ = gfx::Rect();
scroll_dx_ = 0;
scroll_dy_ = 0;
}
void WebWidgetHost::PaintRect(const gfx::Rect& rect) {
#ifndef NDEBUG
DCHECK(!painting_);

View File

@ -94,18 +94,22 @@ void CEF_CALLBACK render_handler_on_popup_size(
void CEF_CALLBACK render_handler_on_paint(struct _cef_render_handler_t* self,
cef_browser_t* browser, enum cef_paint_element_type_t type,
const cef_rect_t* dirtyRect, const void* buffer)
size_t dirtyRectCount, cef_rect_t const* dirtyRects, const void* buffer)
{
DCHECK(self);
DCHECK(browser);
DCHECK(dirtyRect);
DCHECK(dirtyRectCount > 0);
DCHECK(dirtyRects);
DCHECK(buffer);
if (!self || !browser || !dirtyRect || !buffer)
if (!self || !browser || dirtyRectCount == 0 || !dirtyRects || !buffer)
return;
CefRect rect(*dirtyRect);
CefRenderHandler::RectList rectList;
for (size_t i = 0; i < dirtyRectCount; ++i)
rectList.push_back(dirtyRects[i]);
return CefRenderHandlerCppToC::Get(self)->OnPaint(
CefBrowserCToCpp::Wrap(browser), type, rect, buffer);
CefBrowserCToCpp::Wrap(browser), type, rectList, buffer);
}
void CEF_CALLBACK render_handler_on_cursor_change(

View File

@ -66,13 +66,25 @@ void CefRenderHandlerCToCpp::OnPopupSize(CefRefPtr<CefBrowser> browser,
}
void CefRenderHandlerCToCpp::OnPaint(CefRefPtr<CefBrowser> browser,
PaintElementType type, const CefRect& dirtyRect, const void* buffer)
PaintElementType type, const RectList& dirtyRects, const void* buffer)
{
if (CEF_MEMBER_MISSING(struct_, on_paint))
return;
return struct_->on_paint(struct_, CefBrowserCppToC::Wrap(browser), type,
&dirtyRect, buffer);
const size_t rectCt = dirtyRects.size();
DCHECK(rectCt > 0);
if (rectCt == 0)
return;
cef_rect_t* rects = new cef_rect_t[rectCt];
RectList::const_iterator it = dirtyRects.begin();
for (size_t i = 0; it != dirtyRects.end(); ++it, ++i)
rects[i] = *it;
struct_->on_paint(struct_, CefBrowserCppToC::Wrap(browser), type, rectCt,
rects, buffer);
delete [] rects;
}
void CefRenderHandlerCToCpp::OnCursorChange(CefRefPtr<CefBrowser> browser,

View File

@ -43,7 +43,7 @@ public:
virtual void OnPopupSize(CefRefPtr<CefBrowser> browser,
const CefRect& rect) OVERRIDE;
virtual void OnPaint(CefRefPtr<CefBrowser> browser, PaintElementType type,
const CefRect& dirtyRect, const void* buffer) OVERRIDE;
const RectList& dirtyRects, const void* buffer) OVERRIDE;
virtual void OnCursorChange(CefRefPtr<CefBrowser> browser,
CefCursorHandle cursor) OVERRIDE;
};

View File

@ -36,6 +36,7 @@ void RunModalDialogTest(CefRefPtr<CefBrowser> browser);
#if defined(OS_WIN)
void RunTransparentPopupTest(CefRefPtr<CefBrowser> browser);
void RunGetImageTest(CefRefPtr<CefBrowser> browser);
#endif
#endif // _CEFCLIENT_H

View File

@ -101,6 +101,7 @@ BEGIN
MENUITEM "Show Developer Tools", ID_TESTS_DEVTOOLS_SHOW
MENUITEM "Close Developer Tools", ID_TESTS_DEVTOOLS_CLOSE
MENUITEM "Modal Dialog", ID_TESTS_MODALDIALOG
MENUITEM "Get Image", ID_TESTS_GETIMAGE
END
END

View File

@ -3,6 +3,7 @@
// can be found in the LICENSE file.
#include "include/cef.h"
#include "include/cef_runnable.h"
#include "cefclient.h"
#include "binding_test.h"
#include "client_handler.h"
@ -17,6 +18,7 @@
#include <direct.h>
#include <sstream>
#include <shellapi.h>
#define MAX_LOADSTRING 100
#define MAX_URL_LENGTH 255
@ -583,6 +585,10 @@ LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
if(browser.get())
RunModalDialogTest(browser);
return 0;
case ID_TESTS_GETIMAGE:
if(browser.get())
RunGetImageTest(browser);
return 0;
}
}
break;
@ -694,3 +700,112 @@ void RunTransparentPopupTest(CefRefPtr<CefBrowser> browser)
static_cast<CefRefPtr<CefClient> >(g_handler),
"http://tests/transparency", settings);
}
namespace {
// Determine a temporary path for the bitmap file.
bool GetBitmapTempPath(LPWSTR szTempName)
{
DWORD dwRetVal;
DWORD dwBufSize = 512;
TCHAR lpPathBuffer[512];
UINT uRetVal;
dwRetVal = GetTempPath(dwBufSize, // length of the buffer
lpPathBuffer); // buffer for path
if (dwRetVal > dwBufSize || (dwRetVal == 0))
return false;
// Create a temporary file.
uRetVal = GetTempFileName(lpPathBuffer, // directory for tmp files
L"image", // temp file name prefix
0, // create unique name
szTempName); // buffer for name
if (uRetVal == 0)
return false;
size_t len = wcslen(szTempName);
wcscpy(szTempName + len - 3, L"bmp");
return true;
}
void UIT_RunGetImageTest(CefRefPtr<CefBrowser> browser)
{
REQUIRE_UI_THREAD();
int width, height;
bool success = false;
// Retrieve the image size.
if (browser->GetSize(PET_VIEW, width, height)) {
void* bits;
// Populate the bitmap info header.
BITMAPINFOHEADER info;
info.biSize = sizeof(BITMAPINFOHEADER);
info.biWidth = width;
info.biHeight = -height; // minus means top-down bitmap
info.biPlanes = 1;
info.biBitCount = 32;
info.biCompression = BI_RGB; // no compression
info.biSizeImage = 0;
info.biXPelsPerMeter = 1;
info.biYPelsPerMeter = 1;
info.biClrUsed = 0;
info.biClrImportant = 0;
// Create the bitmap and retrieve the bit buffer.
HDC screen_dc = GetDC(NULL);
HBITMAP bitmap =
CreateDIBSection(screen_dc, reinterpret_cast<BITMAPINFO*>(&info),
DIB_RGB_COLORS, &bits, NULL, 0);
ReleaseDC(NULL, screen_dc);
// Read the image into the bit buffer.
if (bitmap && browser->GetImage(PET_VIEW, width, height, bits)) {
// Populate the bitmap file header.
BITMAPFILEHEADER file;
file.bfType = 0x4d42;
file.bfSize = sizeof(BITMAPFILEHEADER);
file.bfReserved1 = 0;
file.bfReserved2 = 0;
file.bfOffBits = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER);
TCHAR temp_path[512];
if (GetBitmapTempPath(temp_path)) {
// Write the bitmap to file.
HANDLE file_handle =
CreateFile(temp_path, GENERIC_WRITE, 0, 0, CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL, 0);
if (file_handle != INVALID_HANDLE_VALUE) {
DWORD bytes_written = 0;
WriteFile(file_handle, &file, sizeof(file), &bytes_written, 0);
WriteFile(file_handle, &info, sizeof(info), &bytes_written, 0);
WriteFile(file_handle, bits, width * height * 4, &bytes_written, 0);
CloseHandle(file_handle);
// Open the bitmap in the default viewer.
ShellExecute(NULL, L"open", temp_path, NULL, NULL, SW_SHOWNORMAL);
success = true;
}
}
}
DeleteObject(bitmap);
}
if (!success) {
browser->GetMainFrame()->ExecuteJavaScript(
"alert('Failed to create image!');",
browser->GetMainFrame()->GetURL(), 0);
}
}
} // namespace
void RunGetImageTest(CefRefPtr<CefBrowser> browser)
{
// Execute the test function on the UI thread.
CefPostTask(TID_UI, NewCefRunnableFunction(UIT_RunGetImageTest, browser));
}

View File

@ -280,7 +280,7 @@ public:
virtual void OnPaint(CefRefPtr<CefBrowser> browser,
PaintElementType type,
const CefRect& dirtyRect,
const RectList& dirtyRects,
const void* buffer) OVERRIDE
{
REQUIRE_UI_THREAD();

View File

@ -56,6 +56,7 @@
#define ID_TESTS_TRANSPARENT_POPUP 32796
#define ID_TESTS_TRANSPARENT_OSRAPP 32797
#define ID_TESTS_JAVASCRIPT_INVOKE 32798
#define ID_TESTS_GETIMAGE 32799
#define IDC_STATIC -1
#define IDS_LOGO 1000
#define IDS_UIPLUGIN 1001

View File

@ -1203,7 +1203,10 @@ class obj_analysis:
return result
if type == 'simple':
result['value'] = value
str = value
if self.is_const():
str += ' const*'
result['value'] = str
elif type == 'refptr':
str = ''
if not value[:-1] in defined_structs: