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/* Copyright (C) 2010 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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 APPLE INC. AND ITS CONTRIBUTORS ``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 APPLE INC. OR ITS 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 "WindowedPluginTest.h"
#include "PluginObject.h"
using namespace std;
// Just fills its window with some gradients
class DrawsGradient : public WindowedPluginTest {
public:
DrawsGradient(NPP, const string& identifier);
private:
void paint(HDC) const;
LRESULT onPaint(WPARAM, LPARAM, bool& handled);
LRESULT onPrintClient(WPARAM, LPARAM, bool& handled);
virtual LRESULT wndProc(UINT message, WPARAM, LPARAM, bool& handled);
};
static PluginTest::Register<DrawsGradient> registrar("draws-gradient");
DrawsGradient::DrawsGradient(NPP npp, const string& identifier)
: WindowedPluginTest(npp, identifier)
{
}
LRESULT DrawsGradient::wndProc(UINT message, WPARAM wParam, LPARAM lParam, bool& handled)
{
LRESULT result = 0;
switch (message) {
case WM_PAINT:
result = onPaint(wParam, lParam, handled);
break;
case WM_PRINTCLIENT:
result = onPrintClient(wParam, lParam, handled);
break;
default:
handled = false;
}
return result;
}
LRESULT DrawsGradient::onPaint(WPARAM, LPARAM, bool& handled)
{
PAINTSTRUCT paintStruct;
HDC dc = ::BeginPaint(window(), &paintStruct);
if (!dc)
return 0;
paint(dc);
::EndPaint(window(), &paintStruct);
handled = true;
return 0;
}
LRESULT DrawsGradient::onPrintClient(WPARAM wParam, LPARAM, bool& handled)
{
paint(reinterpret_cast<HDC>(wParam));
handled = true;
return 0;
}
void DrawsGradient::paint(HDC dc) const
{
RECT clientRect;
if (!::GetClientRect(window(), &clientRect))
return;
TRIVERTEX vertices[] = {
// Upper-left: green
{ clientRect.left, clientRect.top, 0, 0xff00, 0, 0 },
// Upper-right: blue
{ clientRect.right, clientRect.top, 0, 0, 0xff00, 0 },
// Lower-left: yellow
{ clientRect.left, clientRect.bottom, 0xff00, 0xff00, 0, 0 },
// Lower-right: red
{ clientRect.right, clientRect.bottom, 0xff00, 0, 0, 0 },
};
GRADIENT_TRIANGLE mesh[] = {
// Upper-left triangle
{ 0, 1, 2 },
// Lower-right triangle
{ 1, 2, 3 },
};
::GradientFill(dc, vertices, _countof(vertices), mesh, _countof(mesh), GRADIENT_FILL_TRIANGLE);
}
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