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// Copyright (c) 2017 Ableton AG, Berlin
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
#include "push2/JuceToPush2DisplayBridge.h"
#include "push2/Push2-Bitmap.h"
#include "Push2-Display.h"
#include <assert.h>
using namespace ableton;
//------------------------------------------------------------------------------
Push2DisplayBridge::Push2DisplayBridge()
: push2Display_(nullptr)
{};
//------------------------------------------------------------------------------
Push2DisplayBridge::~Push2DisplayBridge() = default;
//------------------------------------------------------------------------------
NBase::Result Push2DisplayBridge::Init()
{
std::unique_ptr<Push2Display> display{Push2Display::create()};
if (!display)
return {"no push 2 support"};
auto result{display->Init()};
if (result.Failed())
return {"no push 2 found"};
push2Display_ = std::move(display);
return result;
}
//------------------------------------------------------------------------------
void Push2DisplayBridge::Flip(unsigned char* pixels)
{
// Make sure the class was properly initialised
assert(push2Display_);
// Create a push display bitmap and get access to the pixel data
Push2DisplayBitmap bitmap;
Push2DisplayBitmap::pixel_t* data = bitmap.PixelData();
const int sizex = bitmap.GetWidth();
const int sizey = bitmap.GetHeight();
// Convert the pixels, applying the xor masking needed for the display to work
static const uint16_t xOrMasks[2] = { 0xf3e7, 0xffe7 };
for (int y = 0; y < sizey; y++)
{
for (int x = 0; x < sizex ; x++)
{
int index = 3 * ((sizey - 1 - y) * sizex + x);
uint16_t pixel;
pixel = Push2DisplayBitmap::SPixelFromRGB(pixels[index], pixels[index+1], pixels[index+2]);
*data++ = pixel ^ xOrMasks[x % 2];
}
data += (bitmap.GetWidth() - sizex);
}
// Send the constructed push2 bitmap to the display
NBase::Result result = push2Display_->Flip(bitmap);
assert(result.Succeeded());
}
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