mirror of https://github.com/dcoredump/dexed.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
840 lines
29 KiB
840 lines
29 KiB
11 years ago
|
/*
|
||
|
|
==============================================================================
|
||
|
|
|
||
|
|
This file is part of the JUCE library.
|
||
|
|
Copyright (c) 2013 - Raw Material Software Ltd.
|
||
|
|
|
||
|
|
Permission is granted to use this software under the terms of either:
|
||
|
|
a) the GPL v2 (or any later version)
|
||
|
|
b) the Affero GPL v3
|
||
|
|
|
||
|
|
Details of these licenses can be found at: www.gnu.org/licenses
|
||
|
|
|
||
|
|
JUCE 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 General Public License for more details.
|
||
|
|
|
||
|
|
------------------------------------------------------------------------------
|
||
|
|
|
||
|
|
To release a closed-source product which uses JUCE, commercial licenses are
|
||
|
|
available: visit www.juce.com for more information.
|
||
|
|
|
||
|
|
==============================================================================
|
||
|
|
*/
|
||
|
|
|
||
|
|
class Direct2DLowLevelGraphicsContext : public LowLevelGraphicsContext
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
Direct2DLowLevelGraphicsContext (HWND hwnd_)
|
||
|
|
: hwnd (hwnd_),
|
||
|
|
currentState (nullptr)
|
||
|
|
{
|
||
|
|
RECT windowRect;
|
||
|
|
GetClientRect (hwnd, &windowRect);
|
||
|
|
D2D1_SIZE_U size = { windowRect.right - windowRect.left, windowRect.bottom - windowRect.top };
|
||
|
|
bounds.setSize (size.width, size.height);
|
||
|
|
|
||
|
|
D2D1_RENDER_TARGET_PROPERTIES props = D2D1::RenderTargetProperties();
|
||
|
|
D2D1_HWND_RENDER_TARGET_PROPERTIES propsHwnd = D2D1::HwndRenderTargetProperties (hwnd, size);
|
||
|
|
|
||
|
|
const Direct2DFactories& factories = Direct2DFactories::getInstance();
|
||
|
|
if (factories.d2dFactory != nullptr)
|
||
|
|
{
|
||
|
|
HRESULT hr = factories.d2dFactory->CreateHwndRenderTarget (props, propsHwnd, renderingTarget.resetAndGetPointerAddress());
|
||
|
|
jassert (SUCCEEDED (hr)); (void) hr;
|
||
|
|
hr = renderingTarget->CreateSolidColorBrush (D2D1::ColorF::ColorF (0.0f, 0.0f, 0.0f, 1.0f), colourBrush.resetAndGetPointerAddress());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
~Direct2DLowLevelGraphicsContext()
|
||
|
|
{
|
||
|
|
states.clear();
|
||
|
|
}
|
||
|
|
|
||
|
|
void resized()
|
||
|
|
{
|
||
|
|
RECT windowRect;
|
||
|
|
GetClientRect (hwnd, &windowRect);
|
||
|
|
D2D1_SIZE_U size = { windowRect.right - windowRect.left, windowRect.bottom - windowRect.top };
|
||
|
|
|
||
|
|
renderingTarget->Resize (size);
|
||
|
|
bounds.setSize (size.width, size.height);
|
||
|
|
}
|
||
|
|
|
||
|
|
void clear()
|
||
|
|
{
|
||
|
|
renderingTarget->Clear (D2D1::ColorF (D2D1::ColorF::White, 0.0f)); // xxx why white and not black?
|
||
|
|
}
|
||
|
|
|
||
|
|
void start()
|
||
|
|
{
|
||
|
|
renderingTarget->BeginDraw();
|
||
|
|
saveState();
|
||
|
|
}
|
||
|
|
|
||
|
|
void end()
|
||
|
|
{
|
||
|
|
states.clear();
|
||
|
|
currentState = 0;
|
||
|
|
renderingTarget->EndDraw();
|
||
|
|
renderingTarget->CheckWindowState();
|
||
|
|
}
|
||
|
|
|
||
|
|
bool isVectorDevice() const { return false; }
|
||
|
|
|
||
|
|
void setOrigin (Point<int> o)
|
||
|
|
{
|
||
|
|
addTransform (AffineTransform::translation ((float) o.x, (float) o.y));
|
||
|
|
}
|
||
|
|
|
||
|
|
void addTransform (const AffineTransform& transform)
|
||
|
|
{
|
||
|
|
currentState->transform = transform.followedBy (currentState->transform);
|
||
|
|
}
|
||
|
|
|
||
|
|
float getPhysicalPixelScaleFactor()
|
||
|
|
{
|
||
|
|
return currentState->transform.getScaleFactor();
|
||
|
|
}
|
||
|
|
|
||
|
|
bool clipToRectangle (const Rectangle<int>& r)
|
||
|
|
{
|
||
|
|
currentState->clipToRectangle (r);
|
||
|
|
return ! isClipEmpty();
|
||
|
|
}
|
||
|
|
|
||
|
|
bool clipToRectangleList (const RectangleList<int>& clipRegion)
|
||
|
|
{
|
||
|
|
currentState->clipToRectList (rectListToPathGeometry (clipRegion));
|
||
|
|
return ! isClipEmpty();
|
||
|
|
}
|
||
|
|
|
||
|
|
void excludeClipRectangle (const Rectangle<int>&)
|
||
|
|
{
|
||
|
|
//xxx
|
||
|
|
}
|
||
|
|
|
||
|
|
void clipToPath (const Path& path, const AffineTransform& transform)
|
||
|
|
{
|
||
|
|
currentState->clipToPath (pathToPathGeometry (path, transform));
|
||
|
|
}
|
||
|
|
|
||
|
|
void clipToImageAlpha (const Image& sourceImage, const AffineTransform& transform)
|
||
|
|
{
|
||
|
|
currentState->clipToImage (sourceImage, transform);
|
||
|
|
}
|
||
|
|
|
||
|
|
bool clipRegionIntersects (const Rectangle<int>& r)
|
||
|
|
{
|
||
|
|
return currentState->clipRect.intersects (r.toFloat().transformed (currentState->transform).getSmallestIntegerContainer());
|
||
|
|
}
|
||
|
|
|
||
|
|
Rectangle<int> getClipBounds() const
|
||
|
|
{
|
||
|
|
// xxx could this take into account complex clip regions?
|
||
|
|
return currentState->clipRect.toFloat().transformed (currentState->transform.inverted()).getSmallestIntegerContainer();
|
||
|
|
}
|
||
|
|
|
||
|
|
bool isClipEmpty() const
|
||
|
|
{
|
||
|
|
return currentState->clipRect.isEmpty();
|
||
|
|
}
|
||
|
|
|
||
|
|
void saveState()
|
||
|
|
{
|
||
|
|
states.add (new SavedState (*this));
|
||
|
|
currentState = states.getLast();
|
||
|
|
}
|
||
|
|
|
||
|
|
void restoreState()
|
||
|
|
{
|
||
|
|
jassert (states.size() > 1) //you should never pop the last state!
|
||
|
|
states.removeLast (1);
|
||
|
|
currentState = states.getLast();
|
||
|
|
}
|
||
|
|
|
||
|
|
void beginTransparencyLayer (float /*opacity*/)
|
||
|
|
{
|
||
|
|
jassertfalse; //xxx todo
|
||
|
|
}
|
||
|
|
|
||
|
|
void endTransparencyLayer()
|
||
|
|
{
|
||
|
|
jassertfalse; //xxx todo
|
||
|
|
}
|
||
|
|
|
||
|
|
void setFill (const FillType& fillType)
|
||
|
|
{
|
||
|
|
currentState->setFill (fillType);
|
||
|
|
}
|
||
|
|
|
||
|
|
void setOpacity (float newOpacity)
|
||
|
|
{
|
||
|
|
currentState->setOpacity (newOpacity);
|
||
|
|
}
|
||
|
|
|
||
|
|
void setInterpolationQuality (Graphics::ResamplingQuality /*quality*/)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
void fillRect (const Rectangle<int>& r, bool /*replaceExistingContents*/)
|
||
|
|
{
|
||
|
|
fillRect (r.toFloat());
|
||
|
|
}
|
||
|
|
|
||
|
|
void fillRect (const Rectangle<float>& r)
|
||
|
|
{
|
||
|
|
renderingTarget->SetTransform (transformToMatrix (currentState->transform));
|
||
|
|
currentState->createBrush();
|
||
|
|
renderingTarget->FillRectangle (rectangleToRectF (r), currentState->currentBrush);
|
||
|
|
renderingTarget->SetTransform (D2D1::IdentityMatrix());
|
||
|
|
}
|
||
|
|
|
||
|
|
void fillRectList (const RectangleList<float>& list)
|
||
|
|
{
|
||
|
|
for (const Rectangle<float>* r = list.begin(), * const e = list.end(); r != e; ++r)
|
||
|
|
fillRect (*r);
|
||
|
|
}
|
||
|
|
|
||
|
|
void fillPath (const Path& p, const AffineTransform& transform)
|
||
|
|
{
|
||
|
|
currentState->createBrush();
|
||
|
|
ComSmartPtr <ID2D1Geometry> geometry (pathToPathGeometry (p, transform.followedBy (currentState->transform)));
|
||
|
|
|
||
|
|
if (renderingTarget != nullptr)
|
||
|
|
renderingTarget->FillGeometry (geometry, currentState->currentBrush);
|
||
|
|
}
|
||
|
|
|
||
|
|
void drawImage (const Image& image, const AffineTransform& transform)
|
||
|
|
{
|
||
|
|
renderingTarget->SetTransform (transformToMatrix (transform.followedBy (currentState->transform)));
|
||
|
|
|
||
|
|
D2D1_SIZE_U size;
|
||
|
|
size.width = image.getWidth();
|
||
|
|
size.height = image.getHeight();
|
||
|
|
|
||
|
|
D2D1_BITMAP_PROPERTIES bp = D2D1::BitmapProperties();
|
||
|
|
|
||
|
|
Image img (image.convertedToFormat (Image::ARGB));
|
||
|
|
Image::BitmapData bd (img, Image::BitmapData::readOnly);
|
||
|
|
bp.pixelFormat = renderingTarget->GetPixelFormat();
|
||
|
|
bp.pixelFormat.alphaMode = D2D1_ALPHA_MODE_PREMULTIPLIED;
|
||
|
|
|
||
|
|
{
|
||
|
|
ComSmartPtr <ID2D1Bitmap> tempBitmap;
|
||
|
|
renderingTarget->CreateBitmap (size, bd.data, bd.lineStride, bp, tempBitmap.resetAndGetPointerAddress());
|
||
|
|
if (tempBitmap != nullptr)
|
||
|
|
renderingTarget->DrawBitmap (tempBitmap);
|
||
|
|
}
|
||
|
|
|
||
|
|
renderingTarget->SetTransform (D2D1::IdentityMatrix());
|
||
|
|
}
|
||
|
|
|
||
|
|
void drawLine (const Line <float>& line)
|
||
|
|
{
|
||
|
|
// xxx doesn't seem to be correctly aligned, may need nudging by 0.5 to match the software renderer's behaviour
|
||
|
|
renderingTarget->SetTransform (transformToMatrix (currentState->transform));
|
||
|
|
currentState->createBrush();
|
||
|
|
|
||
|
|
renderingTarget->DrawLine (D2D1::Point2F (line.getStartX(), line.getStartY()),
|
||
|
|
D2D1::Point2F (line.getEndX(), line.getEndY()),
|
||
|
|
currentState->currentBrush);
|
||
|
|
renderingTarget->SetTransform (D2D1::IdentityMatrix());
|
||
|
|
}
|
||
|
|
|
||
|
|
void setFont (const Font& newFont)
|
||
|
|
{
|
||
|
|
currentState->setFont (newFont);
|
||
|
|
}
|
||
|
|
|
||
|
|
const Font& getFont()
|
||
|
|
{
|
||
|
|
return currentState->font;
|
||
|
|
}
|
||
|
|
|
||
|
|
void drawGlyph (int glyphNumber, const AffineTransform& transform)
|
||
|
|
{
|
||
|
|
currentState->createBrush();
|
||
|
|
currentState->createFont();
|
||
|
|
|
||
|
|
float hScale = currentState->font.getHorizontalScale();
|
||
|
|
|
||
|
|
renderingTarget->SetTransform (transformToMatrix (AffineTransform::scale (hScale, 1.0f)
|
||
|
|
.followedBy (transform)
|
||
|
|
.followedBy (currentState->transform)));
|
||
|
|
|
||
|
|
const UINT16 glyphIndices = (UINT16) glyphNumber;
|
||
|
|
const FLOAT glyphAdvances = 0;
|
||
|
|
DWRITE_GLYPH_OFFSET offset;
|
||
|
|
offset.advanceOffset = 0;
|
||
|
|
offset.ascenderOffset = 0;
|
||
|
|
|
||
|
|
DWRITE_GLYPH_RUN glyphRun;
|
||
|
|
glyphRun.fontFace = currentState->currentFontFace;
|
||
|
|
glyphRun.fontEmSize = (FLOAT) (currentState->font.getHeight() * currentState->fontHeightToEmSizeFactor);
|
||
|
|
glyphRun.glyphCount = 1;
|
||
|
|
glyphRun.glyphIndices = &glyphIndices;
|
||
|
|
glyphRun.glyphAdvances = &glyphAdvances;
|
||
|
|
glyphRun.glyphOffsets = &offset;
|
||
|
|
glyphRun.isSideways = FALSE;
|
||
|
|
glyphRun.bidiLevel = 0;
|
||
|
|
|
||
|
|
renderingTarget->DrawGlyphRun (D2D1::Point2F (0, 0), &glyphRun, currentState->currentBrush);
|
||
|
|
renderingTarget->SetTransform (D2D1::IdentityMatrix());
|
||
|
|
}
|
||
|
|
|
||
|
|
bool drawTextLayout (const AttributedString& text, const Rectangle<float>& area)
|
||
|
|
{
|
||
|
|
renderingTarget->SetTransform (transformToMatrix (currentState->transform));
|
||
|
|
|
||
|
|
const Direct2DFactories& factories = Direct2DFactories::getInstance();
|
||
|
|
DirectWriteTypeLayout::drawToD2DContext (text, area, renderingTarget, factories.directWriteFactory,
|
||
|
|
factories.d2dFactory, factories.systemFonts);
|
||
|
|
|
||
|
|
renderingTarget->SetTransform (D2D1::IdentityMatrix());
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
//==============================================================================
|
||
|
|
class SavedState
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
SavedState (Direct2DLowLevelGraphicsContext& owner_)
|
||
|
|
: owner (owner_), currentBrush (0),
|
||
|
|
fontHeightToEmSizeFactor (1.0f), currentFontFace (0),
|
||
|
|
clipsRect (false), shouldClipRect (false),
|
||
|
|
clipsRectList (false), shouldClipRectList (false),
|
||
|
|
clipsComplex (false), shouldClipComplex (false),
|
||
|
|
clipsBitmap (false), shouldClipBitmap (false)
|
||
|
|
{
|
||
|
|
if (owner.currentState != nullptr)
|
||
|
|
{
|
||
|
|
// xxx seems like a very slow way to create one of these, and this is a performance
|
||
|
|
// bottleneck.. Can the same internal objects be shared by multiple state objects, maybe using copy-on-write?
|
||
|
|
setFill (owner.currentState->fillType);
|
||
|
|
currentBrush = owner.currentState->currentBrush;
|
||
|
|
clipRect = owner.currentState->clipRect;
|
||
|
|
transform = owner.currentState->transform;
|
||
|
|
|
||
|
|
font = owner.currentState->font;
|
||
|
|
currentFontFace = owner.currentState->currentFontFace;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
const D2D1_SIZE_U size (owner.renderingTarget->GetPixelSize());
|
||
|
|
clipRect.setSize (size.width, size.height);
|
||
|
|
setFill (FillType (Colours::black));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
~SavedState()
|
||
|
|
{
|
||
|
|
clearClip();
|
||
|
|
clearFont();
|
||
|
|
clearFill();
|
||
|
|
clearPathClip();
|
||
|
|
clearImageClip();
|
||
|
|
complexClipLayer = 0;
|
||
|
|
bitmapMaskLayer = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void clearClip()
|
||
|
|
{
|
||
|
|
popClips();
|
||
|
|
shouldClipRect = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
void clipToRectangle (const Rectangle<int>& r)
|
||
|
|
{
|
||
|
|
clearClip();
|
||
|
|
clipRect = r.toFloat().transformed (transform).getSmallestIntegerContainer();
|
||
|
|
shouldClipRect = true;
|
||
|
|
pushClips();
|
||
|
|
}
|
||
|
|
|
||
|
|
void clearPathClip()
|
||
|
|
{
|
||
|
|
popClips();
|
||
|
|
|
||
|
|
if (shouldClipComplex)
|
||
|
|
{
|
||
|
|
complexClipGeometry = 0;
|
||
|
|
shouldClipComplex = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void clipToPath (ID2D1Geometry* geometry)
|
||
|
|
{
|
||
|
|
clearPathClip();
|
||
|
|
|
||
|
|
if (complexClipLayer == 0)
|
||
|
|
owner.renderingTarget->CreateLayer (complexClipLayer.resetAndGetPointerAddress());
|
||
|
|
|
||
|
|
complexClipGeometry = geometry;
|
||
|
|
shouldClipComplex = true;
|
||
|
|
pushClips();
|
||
|
|
}
|
||
|
|
|
||
|
|
void clearRectListClip()
|
||
|
|
{
|
||
|
|
popClips();
|
||
|
|
|
||
|
|
if (shouldClipRectList)
|
||
|
|
{
|
||
|
|
rectListGeometry = 0;
|
||
|
|
shouldClipRectList = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void clipToRectList (ID2D1Geometry* geometry)
|
||
|
|
{
|
||
|
|
clearRectListClip();
|
||
|
|
|
||
|
|
if (rectListLayer == 0)
|
||
|
|
owner.renderingTarget->CreateLayer (rectListLayer.resetAndGetPointerAddress());
|
||
|
|
|
||
|
|
rectListGeometry = geometry;
|
||
|
|
shouldClipRectList = true;
|
||
|
|
pushClips();
|
||
|
|
}
|
||
|
|
|
||
|
|
void clearImageClip()
|
||
|
|
{
|
||
|
|
popClips();
|
||
|
|
|
||
|
|
if (shouldClipBitmap)
|
||
|
|
{
|
||
|
|
maskBitmap = 0;
|
||
|
|
bitmapMaskBrush = 0;
|
||
|
|
shouldClipBitmap = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void clipToImage (const Image& image, const AffineTransform& transform)
|
||
|
|
{
|
||
|
|
clearImageClip();
|
||
|
|
|
||
|
|
if (bitmapMaskLayer == 0)
|
||
|
|
owner.renderingTarget->CreateLayer (bitmapMaskLayer.resetAndGetPointerAddress());
|
||
|
|
|
||
|
|
D2D1_BRUSH_PROPERTIES brushProps;
|
||
|
|
brushProps.opacity = 1;
|
||
|
|
brushProps.transform = transformToMatrix (transform);
|
||
|
|
|
||
|
|
D2D1_BITMAP_BRUSH_PROPERTIES bmProps = D2D1::BitmapBrushProperties (D2D1_EXTEND_MODE_WRAP, D2D1_EXTEND_MODE_WRAP);
|
||
|
|
|
||
|
|
D2D1_SIZE_U size;
|
||
|
|
size.width = image.getWidth();
|
||
|
|
size.height = image.getHeight();
|
||
|
|
|
||
|
|
D2D1_BITMAP_PROPERTIES bp = D2D1::BitmapProperties();
|
||
|
|
|
||
|
|
maskImage = image.convertedToFormat (Image::ARGB);
|
||
|
|
Image::BitmapData bd (this->image, Image::BitmapData::readOnly); // xxx should be maskImage?
|
||
|
|
bp.pixelFormat = owner.renderingTarget->GetPixelFormat();
|
||
|
|
bp.pixelFormat.alphaMode = D2D1_ALPHA_MODE_PREMULTIPLIED;
|
||
|
|
|
||
|
|
HRESULT hr = owner.renderingTarget->CreateBitmap (size, bd.data, bd.lineStride, bp, maskBitmap.resetAndGetPointerAddress());
|
||
|
|
hr = owner.renderingTarget->CreateBitmapBrush (maskBitmap, bmProps, brushProps, bitmapMaskBrush.resetAndGetPointerAddress());
|
||
|
|
|
||
|
|
imageMaskLayerParams = D2D1::LayerParameters();
|
||
|
|
imageMaskLayerParams.opacityBrush = bitmapMaskBrush;
|
||
|
|
|
||
|
|
shouldClipBitmap = true;
|
||
|
|
pushClips();
|
||
|
|
}
|
||
|
|
|
||
|
|
void popClips()
|
||
|
|
{
|
||
|
|
if (clipsBitmap)
|
||
|
|
{
|
||
|
|
owner.renderingTarget->PopLayer();
|
||
|
|
clipsBitmap = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (clipsComplex)
|
||
|
|
{
|
||
|
|
owner.renderingTarget->PopLayer();
|
||
|
|
clipsComplex = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (clipsRectList)
|
||
|
|
{
|
||
|
|
owner.renderingTarget->PopLayer();
|
||
|
|
clipsRectList = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (clipsRect)
|
||
|
|
{
|
||
|
|
owner.renderingTarget->PopAxisAlignedClip();
|
||
|
|
clipsRect = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void pushClips()
|
||
|
|
{
|
||
|
|
if (shouldClipRect && ! clipsRect)
|
||
|
|
{
|
||
|
|
owner.renderingTarget->PushAxisAlignedClip (rectangleToRectF (clipRect), D2D1_ANTIALIAS_MODE_PER_PRIMITIVE);
|
||
|
|
clipsRect = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (shouldClipRectList && ! clipsRectList)
|
||
|
|
{
|
||
|
|
D2D1_LAYER_PARAMETERS layerParams = D2D1::LayerParameters();
|
||
|
|
rectListGeometry->GetBounds (D2D1::IdentityMatrix(), &layerParams.contentBounds);
|
||
|
|
layerParams.geometricMask = rectListGeometry;
|
||
|
|
owner.renderingTarget->PushLayer (layerParams, rectListLayer);
|
||
|
|
clipsRectList = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (shouldClipComplex && ! clipsComplex)
|
||
|
|
{
|
||
|
|
D2D1_LAYER_PARAMETERS layerParams = D2D1::LayerParameters();
|
||
|
|
complexClipGeometry->GetBounds (D2D1::IdentityMatrix(), &layerParams.contentBounds);
|
||
|
|
layerParams.geometricMask = complexClipGeometry;
|
||
|
|
owner.renderingTarget->PushLayer (layerParams, complexClipLayer);
|
||
|
|
clipsComplex = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (shouldClipBitmap && ! clipsBitmap)
|
||
|
|
{
|
||
|
|
owner.renderingTarget->PushLayer (imageMaskLayerParams, bitmapMaskLayer);
|
||
|
|
clipsBitmap = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void setFill (const FillType& newFillType)
|
||
|
|
{
|
||
|
|
if (fillType != newFillType)
|
||
|
|
{
|
||
|
|
fillType = newFillType;
|
||
|
|
clearFill();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void clearFont()
|
||
|
|
{
|
||
|
|
currentFontFace = localFontFace = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void setFont (const Font& newFont)
|
||
|
|
{
|
||
|
|
if (font != newFont)
|
||
|
|
{
|
||
|
|
font = newFont;
|
||
|
|
clearFont();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void createFont()
|
||
|
|
{
|
||
|
|
if (currentFontFace == nullptr)
|
||
|
|
{
|
||
|
|
WindowsDirectWriteTypeface* typeface = dynamic_cast<WindowsDirectWriteTypeface*> (font.getTypeface());
|
||
|
|
currentFontFace = typeface->getIDWriteFontFace();
|
||
|
|
fontHeightToEmSizeFactor = typeface->unitsToHeightScaleFactor();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void setOpacity (float newOpacity)
|
||
|
|
{
|
||
|
|
fillType.setOpacity (newOpacity);
|
||
|
|
|
||
|
|
if (currentBrush != nullptr)
|
||
|
|
currentBrush->SetOpacity (newOpacity);
|
||
|
|
}
|
||
|
|
|
||
|
|
void clearFill()
|
||
|
|
{
|
||
|
|
gradientStops = 0;
|
||
|
|
linearGradient = 0;
|
||
|
|
radialGradient = 0;
|
||
|
|
bitmap = 0;
|
||
|
|
bitmapBrush = 0;
|
||
|
|
currentBrush = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void createBrush()
|
||
|
|
{
|
||
|
|
if (currentBrush == 0)
|
||
|
|
{
|
||
|
|
if (fillType.isColour())
|
||
|
|
{
|
||
|
|
D2D1_COLOR_F colour = colourToD2D (fillType.colour);
|
||
|
|
owner.colourBrush->SetColor (colour);
|
||
|
|
currentBrush = owner.colourBrush;
|
||
|
|
}
|
||
|
|
else if (fillType.isTiledImage())
|
||
|
|
{
|
||
|
|
D2D1_BRUSH_PROPERTIES brushProps;
|
||
|
|
brushProps.opacity = fillType.getOpacity();
|
||
|
|
brushProps.transform = transformToMatrix (fillType.transform);
|
||
|
|
|
||
|
|
D2D1_BITMAP_BRUSH_PROPERTIES bmProps = D2D1::BitmapBrushProperties (D2D1_EXTEND_MODE_WRAP,D2D1_EXTEND_MODE_WRAP);
|
||
|
|
|
||
|
|
image = fillType.image;
|
||
|
|
|
||
|
|
D2D1_SIZE_U size;
|
||
|
|
size.width = image.getWidth();
|
||
|
|
size.height = image.getHeight();
|
||
|
|
|
||
|
|
D2D1_BITMAP_PROPERTIES bp = D2D1::BitmapProperties();
|
||
|
|
|
||
|
|
this->image = image.convertedToFormat (Image::ARGB);
|
||
|
|
Image::BitmapData bd (this->image, Image::BitmapData::readOnly);
|
||
|
|
bp.pixelFormat = owner.renderingTarget->GetPixelFormat();
|
||
|
|
bp.pixelFormat.alphaMode = D2D1_ALPHA_MODE_PREMULTIPLIED;
|
||
|
|
|
||
|
|
HRESULT hr = owner.renderingTarget->CreateBitmap (size, bd.data, bd.lineStride, bp, bitmap.resetAndGetPointerAddress());
|
||
|
|
hr = owner.renderingTarget->CreateBitmapBrush (bitmap, bmProps, brushProps, bitmapBrush.resetAndGetPointerAddress());
|
||
|
|
|
||
|
|
currentBrush = bitmapBrush;
|
||
|
|
}
|
||
|
|
else if (fillType.isGradient())
|
||
|
|
{
|
||
|
|
gradientStops = 0;
|
||
|
|
|
||
|
|
D2D1_BRUSH_PROPERTIES brushProps;
|
||
|
|
brushProps.opacity = fillType.getOpacity();
|
||
|
|
brushProps.transform = transformToMatrix (fillType.transform.followedBy (transform));
|
||
|
|
|
||
|
|
const int numColors = fillType.gradient->getNumColours();
|
||
|
|
|
||
|
|
HeapBlock<D2D1_GRADIENT_STOP> stops (numColors);
|
||
|
|
|
||
|
|
for (int i = fillType.gradient->getNumColours(); --i >= 0;)
|
||
|
|
{
|
||
|
|
stops[i].color = colourToD2D (fillType.gradient->getColour(i));
|
||
|
|
stops[i].position = (FLOAT) fillType.gradient->getColourPosition(i);
|
||
|
|
}
|
||
|
|
|
||
|
|
owner.renderingTarget->CreateGradientStopCollection (stops.getData(), numColors, gradientStops.resetAndGetPointerAddress());
|
||
|
|
|
||
|
|
if (fillType.gradient->isRadial)
|
||
|
|
{
|
||
|
|
radialGradient = 0;
|
||
|
|
|
||
|
|
const Point<float> p1 = fillType.gradient->point1;
|
||
|
|
const Point<float> p2 = fillType.gradient->point2;
|
||
|
|
float r = p1.getDistanceFrom (p2);
|
||
|
|
|
||
|
|
D2D1_RADIAL_GRADIENT_BRUSH_PROPERTIES props =
|
||
|
|
D2D1::RadialGradientBrushProperties (D2D1::Point2F (p1.x, p1.y),
|
||
|
|
D2D1::Point2F (0, 0),
|
||
|
|
r, r);
|
||
|
|
|
||
|
|
owner.renderingTarget->CreateRadialGradientBrush (props, brushProps, gradientStops, radialGradient.resetAndGetPointerAddress());
|
||
|
|
currentBrush = radialGradient;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
linearGradient = 0;
|
||
|
|
|
||
|
|
const Point<float> p1 = fillType.gradient->point1;
|
||
|
|
const Point<float> p2 = fillType.gradient->point2;
|
||
|
|
|
||
|
|
D2D1_LINEAR_GRADIENT_BRUSH_PROPERTIES props =
|
||
|
|
D2D1::LinearGradientBrushProperties (D2D1::Point2F (p1.x, p1.y),
|
||
|
|
D2D1::Point2F (p2.x, p2.y));
|
||
|
|
|
||
|
|
owner.renderingTarget->CreateLinearGradientBrush (props, brushProps, gradientStops, linearGradient.resetAndGetPointerAddress());
|
||
|
|
|
||
|
|
currentBrush = linearGradient;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//==============================================================================
|
||
|
|
//xxx most of these members should probably be private...
|
||
|
|
|
||
|
|
Direct2DLowLevelGraphicsContext& owner;
|
||
|
|
|
||
|
|
AffineTransform transform;
|
||
|
|
|
||
|
|
Font font;
|
||
|
|
float fontHeightToEmSizeFactor;
|
||
|
|
IDWriteFontFace* currentFontFace;
|
||
|
|
ComSmartPtr <IDWriteFontFace> localFontFace;
|
||
|
|
|
||
|
|
FillType fillType;
|
||
|
|
|
||
|
|
Image image;
|
||
|
|
ComSmartPtr <ID2D1Bitmap> bitmap; // xxx needs a better name - what is this for??
|
||
|
|
|
||
|
|
Rectangle<int> clipRect;
|
||
|
|
bool clipsRect, shouldClipRect;
|
||
|
|
|
||
|
|
ComSmartPtr <ID2D1Geometry> complexClipGeometry;
|
||
|
|
D2D1_LAYER_PARAMETERS complexClipLayerParams;
|
||
|
|
ComSmartPtr <ID2D1Layer> complexClipLayer;
|
||
|
|
bool clipsComplex, shouldClipComplex;
|
||
|
|
|
||
|
|
ComSmartPtr <ID2D1Geometry> rectListGeometry;
|
||
|
|
D2D1_LAYER_PARAMETERS rectListLayerParams;
|
||
|
|
ComSmartPtr <ID2D1Layer> rectListLayer;
|
||
|
|
bool clipsRectList, shouldClipRectList;
|
||
|
|
|
||
|
|
Image maskImage;
|
||
|
|
D2D1_LAYER_PARAMETERS imageMaskLayerParams;
|
||
|
|
ComSmartPtr <ID2D1Layer> bitmapMaskLayer;
|
||
|
|
ComSmartPtr <ID2D1Bitmap> maskBitmap;
|
||
|
|
ComSmartPtr <ID2D1BitmapBrush> bitmapMaskBrush;
|
||
|
|
bool clipsBitmap, shouldClipBitmap;
|
||
|
|
|
||
|
|
ID2D1Brush* currentBrush;
|
||
|
|
ComSmartPtr <ID2D1BitmapBrush> bitmapBrush;
|
||
|
|
ComSmartPtr <ID2D1LinearGradientBrush> linearGradient;
|
||
|
|
ComSmartPtr <ID2D1RadialGradientBrush> radialGradient;
|
||
|
|
ComSmartPtr <ID2D1GradientStopCollection> gradientStops;
|
||
|
|
|
||
|
|
private:
|
||
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (SavedState)
|
||
|
|
};
|
||
|
|
|
||
|
|
//==============================================================================
|
||
|
|
private:
|
||
|
|
HWND hwnd;
|
||
|
|
ComSmartPtr <ID2D1HwndRenderTarget> renderingTarget;
|
||
|
|
ComSmartPtr <ID2D1SolidColorBrush> colourBrush;
|
||
|
|
Rectangle<int> bounds;
|
||
|
|
|
||
|
|
SavedState* currentState;
|
||
|
|
OwnedArray<SavedState> states;
|
||
|
|
|
||
|
|
//==============================================================================
|
||
|
|
template <typename Type>
|
||
|
|
static D2D1_RECT_F rectangleToRectF (const Rectangle<Type>& r)
|
||
|
|
{
|
||
|
|
return D2D1::RectF ((float) r.getX(), (float) r.getY(), (float) r.getRight(), (float) r.getBottom());
|
||
|
|
}
|
||
|
|
|
||
|
|
static D2D1_COLOR_F colourToD2D (Colour c)
|
||
|
|
{
|
||
|
|
return D2D1::ColorF::ColorF (c.getFloatRed(), c.getFloatGreen(), c.getFloatBlue(), c.getFloatAlpha());
|
||
|
|
}
|
||
|
|
|
||
|
|
static D2D1_POINT_2F pointTransformed (int x, int y, const AffineTransform& transform)
|
||
|
|
{
|
||
|
|
transform.transformPoint (x, y);
|
||
|
|
return D2D1::Point2F ((FLOAT) x, (FLOAT) y);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void rectToGeometrySink (const Rectangle<int>& rect, ID2D1GeometrySink* sink)
|
||
|
|
{
|
||
|
|
sink->BeginFigure (pointTransformed (rect.getX(), rect.getY()), D2D1_FIGURE_BEGIN_FILLED);
|
||
|
|
sink->AddLine (pointTransformed (rect.getRight(), rect.getY()));
|
||
|
|
sink->AddLine (pointTransformed (rect.getRight(), rect.getBottom()));
|
||
|
|
sink->AddLine (pointTransformed (rect.getX(), rect.getBottom()));
|
||
|
|
sink->EndFigure (D2D1_FIGURE_END_CLOSED);
|
||
|
|
}
|
||
|
|
|
||
|
|
static ID2D1PathGeometry* rectListToPathGeometry (const RectangleList<int>& clipRegion)
|
||
|
|
{
|
||
|
|
ID2D1PathGeometry* p = nullptr;
|
||
|
|
Direct2DFactories::getInstance().d2dFactory->CreatePathGeometry (&p);
|
||
|
|
|
||
|
|
ComSmartPtr <ID2D1GeometrySink> sink;
|
||
|
|
HRESULT hr = p->Open (sink.resetAndGetPointerAddress()); // xxx handle error
|
||
|
|
sink->SetFillMode (D2D1_FILL_MODE_WINDING);
|
||
|
|
|
||
|
|
for (int i = clipRegion.getNumRectangles(); --i >= 0;)
|
||
|
|
rectToGeometrySink (clipRegion.getRectangle(i), sink);
|
||
|
|
|
||
|
|
hr = sink->Close();
|
||
|
|
return p;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void pathToGeometrySink (const Path& path, ID2D1GeometrySink* sink, const AffineTransform& transform)
|
||
|
|
{
|
||
|
|
Path::Iterator it (path);
|
||
|
|
|
||
|
|
while (it.next())
|
||
|
|
{
|
||
|
|
switch (it.elementType)
|
||
|
|
{
|
||
|
|
case Path::Iterator::cubicTo:
|
||
|
|
{
|
||
|
|
D2D1_BEZIER_SEGMENT seg;
|
||
|
|
|
||
|
|
transform.transformPoint (it.x1, it.y1);
|
||
|
|
seg.point1 = D2D1::Point2F (it.x1, it.y1);
|
||
|
|
|
||
|
|
transform.transformPoint (it.x2, it.y2);
|
||
|
|
seg.point2 = D2D1::Point2F (it.x2, it.y2);
|
||
|
|
|
||
|
|
transform.transformPoint(it.x3, it.y3);
|
||
|
|
seg.point3 = D2D1::Point2F (it.x3, it.y3);
|
||
|
|
|
||
|
|
sink->AddBezier (seg);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
case Path::Iterator::lineTo:
|
||
|
|
{
|
||
|
|
transform.transformPoint (it.x1, it.y1);
|
||
|
|
sink->AddLine (D2D1::Point2F (it.x1, it.y1));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
case Path::Iterator::quadraticTo:
|
||
|
|
{
|
||
|
|
D2D1_QUADRATIC_BEZIER_SEGMENT seg;
|
||
|
|
|
||
|
|
transform.transformPoint (it.x1, it.y1);
|
||
|
|
seg.point1 = D2D1::Point2F (it.x1, it.y1);
|
||
|
|
|
||
|
|
transform.transformPoint (it.x2, it.y2);
|
||
|
|
seg.point2 = D2D1::Point2F (it.x2, it.y2);
|
||
|
|
|
||
|
|
sink->AddQuadraticBezier (seg);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
case Path::Iterator::closePath:
|
||
|
|
{
|
||
|
|
sink->EndFigure (D2D1_FIGURE_END_CLOSED);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
case Path::Iterator::startNewSubPath:
|
||
|
|
{
|
||
|
|
transform.transformPoint (it.x1, it.y1);
|
||
|
|
sink->BeginFigure (D2D1::Point2F (it.x1, it.y1), D2D1_FIGURE_BEGIN_FILLED);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static ID2D1PathGeometry* pathToPathGeometry (const Path& path, const AffineTransform& transform)
|
||
|
|
{
|
||
|
|
ID2D1PathGeometry* p = nullptr;
|
||
|
|
Direct2DFactories::getInstance().d2dFactory->CreatePathGeometry (&p);
|
||
|
|
|
||
|
|
ComSmartPtr <ID2D1GeometrySink> sink;
|
||
|
|
HRESULT hr = p->Open (sink.resetAndGetPointerAddress());
|
||
|
|
sink->SetFillMode (D2D1_FILL_MODE_WINDING); // xxx need to check Path::isUsingNonZeroWinding()
|
||
|
|
|
||
|
|
pathToGeometrySink (path, sink, transform);
|
||
|
|
|
||
|
|
hr = sink->Close();
|
||
|
|
return p;
|
||
|
|
}
|
||
|
|
|
||
|
|
static D2D1::Matrix3x2F transformToMatrix (const AffineTransform& transform)
|
||
|
|
{
|
||
|
|
D2D1::Matrix3x2F matrix;
|
||
|
|
matrix._11 = transform.mat00;
|
||
|
|
matrix._12 = transform.mat10;
|
||
|
|
matrix._21 = transform.mat01;
|
||
|
|
matrix._22 = transform.mat11;
|
||
|
|
matrix._31 = transform.mat02;
|
||
|
|
matrix._32 = transform.mat12;
|
||
|
|
return matrix;
|
||
|
|
}
|
||
|
|
|
||
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (Direct2DLowLevelGraphicsContext)
|
||
|
|
};
|