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/*
Copyright (C) 2009-2012 Samsung Electronics
Copyright (C) 2009-2010 ProFUSION embedded systems
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "TiledBackingStore.h"
#include "ewk_paint_context_private.h"
#include "ewk_private.h"
#if ENABLE(INSPECTOR)
#include "InspectorController.h"
#include "Page.h"
#endif
Ewk_Paint_Context* ewk_paint_context_new(cairo_t* cairo)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(cairo, 0);
Ewk_Paint_Context* context = new Ewk_Paint_Context;
context->graphicContext = adoptPtr(new WebCore::GraphicsContext(cairo));
context->cairo = adoptRef(cairo_reference(cairo));
context->image = 0;
context->pixels = 0;
return context;
}
Ewk_Paint_Context* ewk_paint_context_from_image_new(Evas_Object* image)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(image, 0);
Evas_Coord width, height;
uint8_t* pixels = static_cast<uint8_t*>(evas_object_image_data_get(image, true));
evas_object_image_size_get(image, &width, &height);
Ewk_Paint_Context* context = ewk_paint_context_from_image_data_new(pixels, width, height, EVAS_COLORSPACE_ARGB8888);
if (context) {
context->pixels = pixels;
context->image = image;
}
return context;
}
Ewk_Paint_Context* ewk_paint_context_from_image_data_new(uint8_t* pixels, int width, int height, int colorSpace)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(pixels, 0);
OwnPtr<Ewk_Paint_Context> context = adoptPtr(new Ewk_Paint_Context);
context->pixels = pixels;
context->image = 0;
cairo_format_t format;
int stride;
switch (colorSpace) {
case EVAS_COLORSPACE_ARGB8888:
stride = width * 4;
format = CAIRO_FORMAT_ARGB32;
break;
case EVAS_COLORSPACE_RGB565_A5P:
stride = width * 2;
format = CAIRO_FORMAT_RGB16_565;
break;
default:
ERR("unknown color space: %d", colorSpace);
return 0;
}
context->surface = adoptRef(cairo_image_surface_create_for_data(pixels, format, width, height, stride));
cairo_status_t status = cairo_surface_status(context->surface.get());
if (status != CAIRO_STATUS_SUCCESS) {
ERR("could not create surface from data %dx%d: %s", width, height, cairo_status_to_string(status));
return 0;
}
context->cairo = adoptRef(cairo_create(context->surface.get()));
status = cairo_status(context->cairo.get());
if (status != CAIRO_STATUS_SUCCESS) {
ERR("could not create cairo from surface %dx%d: %s", width, height, cairo_status_to_string(status));
return 0;
}
context->graphicContext = adoptPtr(new WebCore::GraphicsContext(context->cairo.get()));
return context.release().leakPtr();
}
void ewk_paint_context_free(Ewk_Paint_Context* context)
{
EINA_SAFETY_ON_NULL_RETURN(context);
if (context->image && context->pixels) {
// Decrease refcount inside image object.
evas_object_image_data_set(context->image, context->pixels);
}
delete context;
}
void ewk_paint_context_save(Ewk_Paint_Context* context)
{
EINA_SAFETY_ON_NULL_RETURN(context);
cairo_save(context->cairo.get());
context->graphicContext->save();
}
void ewk_paint_context_restore(Ewk_Paint_Context* context)
{
EINA_SAFETY_ON_NULL_RETURN(context);
context->graphicContext->restore();
cairo_restore(context->cairo.get());
}
void ewk_paint_context_clip(Ewk_Paint_Context* context, const Eina_Rectangle* area)
{
EINA_SAFETY_ON_NULL_RETURN(context);
EINA_SAFETY_ON_NULL_RETURN(area);
context->graphicContext->clip(WebCore::IntRect(*area));
}
void ewk_paint_context_scale(Ewk_Paint_Context* context, float scaleX, float scaleY)
{
EINA_SAFETY_ON_NULL_RETURN(context);
context->graphicContext->scale(WebCore::FloatSize(scaleX, scaleY));
}
void ewk_paint_context_translate(Ewk_Paint_Context* context, float x, float y)
{
EINA_SAFETY_ON_NULL_RETURN(context);
context->graphicContext->translate(x, y);
}
void ewk_paint_context_paint(Ewk_Paint_Context* context, WebCore::FrameView* view, const Eina_Rectangle* area)
{
EINA_SAFETY_ON_NULL_RETURN(context);
EINA_SAFETY_ON_NULL_RETURN(view);
EINA_SAFETY_ON_NULL_RETURN(area);
WebCore::IntRect paintArea(*area);
#if USE(TILED_BACKING_STORE)
if (view->frame()->tiledBackingStore()) {
int scrollX = view->scrollX();
int scrollY = view->scrollY();
context->graphicContext->translate(-scrollX, -scrollY);
paintArea.move(scrollX, scrollY);
view->frame()->tiledBackingStore()->paint(context->graphicContext.get(), paintArea);
return;
}
#endif
if (view->isTransparent())
context->graphicContext->clearRect(paintArea);
view->paint(context->graphicContext.get(), paintArea);
}
void ewk_paint_context_paint_contents(Ewk_Paint_Context* context, WebCore::FrameView* view, const Eina_Rectangle* area)
{
EINA_SAFETY_ON_NULL_RETURN(context);
EINA_SAFETY_ON_NULL_RETURN(view);
EINA_SAFETY_ON_NULL_RETURN(area);
WebCore::IntRect paintArea(*area);
if (view->isTransparent())
context->graphicContext->clearRect(paintArea);
view->paintContents(context->graphicContext.get(), paintArea);
#if ENABLE(INSPECTOR)
WebCore::Page* page = view->frame()->page();
if (page) {
WebCore::InspectorController* controller = page->inspectorController();
if (controller->highlightedNode())
controller->drawHighlight(*context->graphicContext);
}
#endif
}
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