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/*
* Copyright 2006, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "RenderSkinRadio.h"
#include "CString.h"
#include "android_graphics.h"
#include "Document.h"
#include "Element.h"
#include "InputElement.h"
#include "IntRect.h"
#include "Node.h"
#include "RenderSkinAndroid.h"
#include "SkBitmap.h"
#include "SkCanvas.h"
#include "SkRect.h"
static const char* checks[] = { "btn_check_off.png",
"btn_check_on.png",
"btn_radio_off.png",
"btn_radio_on.png"};
// Matches the width of the bitmap
static SkScalar SIZE;
namespace WebCore {
static SkBitmap s_bitmap[4];
static bool s_decoded;
void RenderSkinRadio::Init(android::AssetManager* am, String drawableDirectory)
{
if (s_decoded)
return;
String path = drawableDirectory + checks[0];
s_decoded = RenderSkinAndroid::DecodeBitmap(am, path.utf8().data(), &s_bitmap[0]);
path = drawableDirectory + checks[1];
s_decoded = RenderSkinAndroid::DecodeBitmap(am, path.utf8().data(), &s_bitmap[1]) && s_decoded;
path = drawableDirectory + checks[2];
s_decoded = RenderSkinAndroid::DecodeBitmap(am, path.utf8().data(), &s_bitmap[2]) && s_decoded;
path = drawableDirectory + checks[3];
s_decoded = RenderSkinAndroid::DecodeBitmap(am, path.utf8().data(), &s_bitmap[3]) && s_decoded;
SIZE = SkIntToScalar(s_bitmap[0].width());
}
void RenderSkinRadio::Draw(SkCanvas* canvas, Node* element, const IntRect& ir,
bool isCheckBox)
{
if (!s_decoded || !element) {
return;
}
SkRect r(ir);
// Set up a paint to with filtering to look better.
SkPaint paint;
paint.setFlags(SkPaint::kFilterBitmap_Flag);
int saveLayerCount = 0;
int saveScaleCount = 0;
if (!element->isElementNode() ||
!static_cast<Element*>(element)->isEnabledFormControl()) {
saveLayerCount = canvas->saveLayerAlpha(&r, 0x80);
}
SkScalar width = r.width();
SkScalar scale = SkScalarDiv(width, SIZE);
saveScaleCount = canvas->save();
canvas->translate(r.fLeft, r.fTop);
canvas->scale(scale, scale);
bool checked = false;
if (InputElement* inputElement = toInputElement(static_cast<Element*>(element))) {
checked = inputElement->isChecked();
}
canvas->drawBitmap(s_bitmap[checked + 2*(!isCheckBox)],
0, 0, &paint);
if (saveLayerCount != 0) {
canvas->restoreToCount(saveLayerCount);
} else {
canvas->restoreToCount(saveScaleCount);
}
}
} //WebCore
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