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Windows: Improvements to off-screen rendering support (issue #518).

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- Implement support for transparency. Change the backing store to use Skia instead of GDI and to keep alpha values.
- Implement support for select popups. Requires a patch to Chromium (content_popups.patch).
- Implicitly disable accelerated compositing when using off-screen rendering.
- Introduce a new CefMouseEvent structure for representing mouse event information passed to CefBrowser methods.
- Merge cef_key_event_modifiers_t into cef_event_flags_t.
- Add a new argument to CefBrowser::Invalidate telling the browser whether to invalidate the select popup or the main view.
- Add a new cefclient "transparent-painting-enabled" command-line flag to test transparent off-screen rendering.
- Add a new cefclient "Transparency" test.
- Fix the cefclient off-screen rendering rotation effect to work even when the underlying web content is not updating.
- Add unit tests for transparent painting and select popups.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@979 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
This commit is contained in:
Marshall Greenblatt
2013-01-11 23:00:39 +00:00
parent a463095bd9
commit 7d3bac19a9
41 changed files with 1571 additions and 470 deletions
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10
include/capi/cef_render_handler_capi.h
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@ -57,8 +57,7 @@ typedef struct _cef_render_handler_t {
///
// Called to retrieve the root window rectangle in screen coordinates. Return
// true (1) if the rectangle was provided. Return false (0) if the screen
// rectangle is the same as the view rectangle.
// true (1) if the rectangle was provided.
///
int (CEF_CALLBACK *get_root_screen_rect)(struct _cef_render_handler_t* self,
struct _cef_browser_t* browser, cef_rect_t* rect);
@ -81,15 +80,13 @@ typedef struct _cef_render_handler_t {
///
// Called when the browser wants to show or hide the popup widget. The popup
// should be shown if |show| is true (1) and hidden if |show| is false (0).
// NOTE: Popup widgets are not yet supported.
///
void (CEF_CALLBACK *on_popup_show)(struct _cef_render_handler_t* self,
struct _cef_browser_t* browser, int show);
///
// Called when the browser wants to move or resize the popup widget. |rect|
// contains the new location and size. NOTE: Popup widgets are not yet
// supported.
// contains the new location and size.
///
void (CEF_CALLBACK *on_popup_size)(struct _cef_render_handler_t* self,
struct _cef_browser_t* browser, const cef_rect_t* rect);
@ -99,8 +96,7 @@ typedef struct _cef_render_handler_t {
// element is the view or the popup widget. |buffer| contains the pixel data
// 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. NOTE: Popup
// widgets are not yet supported.
// 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,