Cleaning up and splitting things up into separate h/cpp files.

1 files changed, 134 insertions, 0 deletions

diff --git a/lib/backing_store_qt.cpp b/lib/backing_store_qt.cpp
new file mode 100644
index 000000000..402e4e4f1
--- /dev/null
+++ b/lib/backing_store_qt.cpp
@@ -0,0 +1,134 @@
+#include "backing_store_qt.h"
+
+#include "content/browser/renderer_host/render_widget_host_impl.h"
+#include "content/public/browser/render_process_host.h"
+#include "raster_window.h"
+#include "ui/gfx/rect.h"
+#include "ui/gfx/rect_conversions.h"
+
+#include <QPainter>
+
+BackingStoreQt::BackingStoreQt(content::RenderWidgetHost *host, const gfx::Size &size, RasterWindow* surface)
+    : QBackingStore(surface)
+    , m_host(content::RenderWidgetHostImpl::From(host))
+    , content::BackingStore(host, size)
+    , m_surface(surface)
+    , m_isValid(false)
+{
+    int width = size.width();
+    int height = size.height();
+    m_surface->resize(width,height);
+    resize(QSize(width, height));
+    setStaticContents(QRect(0,0,size.width(), size.height()));
+    m_surface->setBackingStore(this);
+    m_surface->create();
+}
+
+BackingStoreQt::~BackingStoreQt()
+{
+    if (m_surface)
+        m_surface->setBackingStore(0);
+}
+
+void BackingStoreQt::resize(const QSize& size)
+{
+    m_isValid = false;
+    QRect contentRect(0, 0, size.width(), size.height());
+    QBackingStore::resize(size);
+    setStaticContents(contentRect);
+
+    m_host->WasResized();
+}
+
+void BackingStoreQt::displayBuffer()
+{
+    if (!m_surface->isExposed() || !m_isValid)
+        return;
+
+    int width = m_surface->width();
+    int height = m_surface->height();
+    QRect rect(0, 0, width, height);
+    flush(rect);
+}
+
+void BackingStoreQt::PaintToBackingStore(content::RenderProcessHost *process,
+                                 TransportDIB::Id bitmap,
+                                 const gfx::Rect &bitmap_rect,
+                                 const std::vector<gfx::Rect> &copy_rects,
+                                 float scale_factor,
+                                 const base::Closure &completion_callback,
+                                 bool *scheduled_completion_callback)
+{
+    if (bitmap_rect.IsEmpty())
+        return;
+
+    *scheduled_completion_callback = false;
+    TransportDIB* dib = process->GetTransportDIB(bitmap);
+    if (!dib)
+      return;
+
+    gfx::Rect pixel_bitmap_rect = bitmap_rect;
+
+    uint8_t* bitmapData = static_cast<uint8_t*>(dib->memory());
+    int width = QBackingStore::size().width();
+    int height = QBackingStore::size().height();
+    QImage img(bitmapData, pixel_bitmap_rect.width(), pixel_bitmap_rect.height(), QImage::Format_ARGB32);
+
+    for (size_t i = 0; i < copy_rects.size(); ++i) {
+        gfx::Rect copy_rect = gfx::ToEnclosedRect(gfx::ScaleRect(copy_rects[i], scale_factor));
+
+        QRect source = QRect( copy_rect.x() - pixel_bitmap_rect.x()
+                            , copy_rect.y() - pixel_bitmap_rect.y()
+                            , pixel_bitmap_rect.width()
+                            , pixel_bitmap_rect.height());
+
+        QRect destination = QRect( copy_rect.x()
+                                 , copy_rect.y()
+                                 , copy_rect.width()
+                                 , copy_rect.height());
+
+        beginPaint(destination);
+        m_isValid = true;
+        QPaintDevice *device = paintDevice();
+        if (device) {
+            QPainter painter(device);
+            painter.drawPixmap(destination, QPixmap::fromImage(img), source);
+        }
+        endPaint();
+    }
+}
+
+void BackingStoreQt::ScrollBackingStore(const gfx::Vector2d &delta, const gfx::Rect &clip_rect, const gfx::Size &view_size)
+{
+    // DCHECK(delta.x() == 0 || delta.y() == 0);
+
+    // m_pixelBuffer.scroll(delta.x(), delta.y(), clip_rect.x(), clip_rect.y(), clip_rect.width(), clip_rect.height());
+}
+
+bool BackingStoreQt::CopyFromBackingStore(const gfx::Rect &rect, skia::PlatformBitmap *output)
+{
+    // const int width = std::min(m_pixelBuffer.width(), rect.width());
+    // const int height = std::min(m_pixelBuffer.height(), rect.height());
+
+    // if (!output->Allocate(width, height, true))
+    //     return false;
+
+    // // This code assumes a visual mode where a pixel is
+    // // represented using a 32-bit unsigned int, with a byte per component.
+    // const SkBitmap& bitmap = output->GetBitmap();
+    // SkAutoLockPixels alp(bitmap);
+
+    // QPixmap cpy = m_pixelBuffer.copy(rect.x(), rect.y(), rect.width(), rect.height());
+    // QImage img = cpy.toImage();
+
+    // // Convert the format and remove transparency.
+    // if (img.format() != QImage::Format_RGB32)
+    //     img = img.convertToFormat(QImage::Format_RGB32);
+
+    // const uint8_t* src = img.bits();
+    // uint8_t* dst = reinterpret_cast<uint8_t*>(bitmap.getAddr32(0,0));
+    // memcpy(dst, src, width*height*32);
+
+    // return true;
+}
+