oop CGContextConvertRectToDeviceSpace_wrap(CGContextRef c, float xin, float y, float w, float h) {
CGRect x = CGContextConvertRectToDeviceSpace(c, CGRectMake(xin, y, w, h));
objVectorOop r = Memory->objVectorObj->cloneSize(4);
r->obj_at_put(0, as_floatOop(x.origin.x), false);
r->obj_at_put(1, as_floatOop(x.origin.y), false);
r->obj_at_put(2, as_floatOop(x.size.width), false);
r->obj_at_put(3, as_floatOop(x.size.height), false);
return r;
}
//-----------------------------------------------------------------------------
CGRect CGDrawContext::pixelAlligned (const CGRect& r) const
{
CGRect result = CGContextConvertRectToDeviceSpace (cgContext, r);
result.origin.x = std::round (result.origin.x);
result.origin.y = std::round (result.origin.y);
result.size.width = std::round (result.size.width);
result.size.height = std::round (result.size.height);
result = CGContextConvertRectToUserSpace (cgContext, result);
return result;
}
//-----------------------------------------------------------------------------
CGDrawContext::CGDrawContext (CGContextRef cgContext, const CRect& rect)
: COffscreenContext (rect)
, cgContext (cgContext)
, scaleFactor (1.)
{
CFRetain (cgContext);
// Get the scale for the context to check if it is for a Retina display
CGRect userRect = CGRectMake (0, 0, 100, 100);
CGRect deviceRect = CGContextConvertRectToDeviceSpace (cgContext, userRect);
scaleFactor = deviceRect.size.height / userRect.size.height;
init ();
}
wxWindowDCImpl::wxWindowDCImpl( wxDC *owner, wxWindow *window )
: wxGCDCImpl( owner )
{
m_window = window;
m_ok = true ;
m_window->GetSize( &m_width , &m_height);
if ( !m_window->IsShownOnScreen() )
m_width = m_height = 0;
CGContextRef cg = (CGContextRef) window->MacGetCGContextRef();
m_release = false;
if ( cg == NULL )
{
SetGraphicsContext( wxGraphicsContext::Create( window ) ) ;
m_contentScaleFactor = window->GetContentScaleFactor();
SetDeviceOrigin(-window->MacGetLeftBorderSize() , -window->MacGetTopBorderSize());
}
else
{
// determine content scale
CGRect userrect = CGRectMake(0, 0, 10, 10);
CGRect devicerect;
devicerect = CGContextConvertRectToDeviceSpace(cg, userrect);
m_contentScaleFactor = devicerect.size.height / userrect.size.height;
CGContextSaveGState( cg );
m_release = true ;
// make sure the context is having its origin at the wx-window coordinates of the
// view (read at the top of window.cpp about the differences)
if ( window->MacGetLeftBorderSize() != 0 || window->MacGetTopBorderSize() != 0 )
CGContextTranslateCTM( cg , -window->MacGetLeftBorderSize() , -window->MacGetTopBorderSize() );
wxGraphicsContext* context = wxGraphicsContext::CreateFromNative( cg );
context->EnableOffset(true);
SetGraphicsContext( context );
}
DoSetClippingRegion( 0 , 0 , m_width , m_height ) ;
SetBackground(wxBrush(window->GetBackgroundColour(),wxBRUSHSTYLE_SOLID));
SetFont( window->GetFont() ) ;
}
static CGRect alignRectToUserSpace(CGContextRef context, CGRect r)
{
// Compute the coordinates of the rectangle in device space.
r = CGContextConvertRectToDeviceSpace(context, r);
// Ensure that the x and y coordinates are at a pixel corner.
r.origin.x = floor(r.origin.x);
r.origin.y = floor(r.origin.y);
// Ensure that the width and height are an integer number of
// device pixels. Note that this produces a width and height
// that is less than or equal to the original width. Another
// approach is to use ceil to ensure that the new rectangle
// encloses the original one.
r.size.width = floor(r.size.width);
r.size.height = floor(r.size.height);
// Convert back to user space.
return CGContextConvertRectToUserSpace(context, r);
}
FX_BOOL CFX_AggDeviceDriver::DrawDeviceText(int nChars,
const FXTEXT_CHARPOS * pCharPos,
CFX_Font * pFont,
CFX_FontCache * pCache,
const CFX_AffineMatrix * pObject2Device,
FX_FLOAT font_size,
FX_DWORD argb,
int alpha_flag, void* pIccTransform)
{
if (!pFont) {
return FALSE;
}
FX_BOOL bBold = pFont->IsBold();
if (!bBold && pFont->GetSubstFont() &&
pFont->GetSubstFont()->m_Weight >= 500 &&
pFont->GetSubstFont()->m_Weight <= 600) {
return FALSE;
}
for (int i = 0; i < nChars; i ++) {
if (pCharPos[i].m_bGlyphAdjust) {
return FALSE;
}
}
CGContextRef ctx = CGContextRef(m_pPlatformGraphics);
if (NULL == ctx) {
return FALSE;
}
CGContextSaveGState(ctx);
CGContextSetTextDrawingMode(ctx, kCGTextFillClip);
CGRect rect_cg;
CGImageRef pImageCG = NULL;
if (m_pClipRgn) {
rect_cg = CGRectMake(m_pClipRgn->GetBox().left, m_pClipRgn->GetBox().top, m_pClipRgn->GetBox().Width(), m_pClipRgn->GetBox().Height());
const CFX_DIBitmap* pClipMask = m_pClipRgn->GetMask();
if (pClipMask) {
CGDataProviderRef pClipMaskDataProvider = CGDataProviderCreateWithData(NULL,
pClipMask->GetBuffer(),
pClipMask->GetPitch() * pClipMask->GetHeight(),
_DoNothing);
CGFloat decode_f[2] = {255.f, 0.f};
pImageCG = CGImageMaskCreate(pClipMask->GetWidth(), pClipMask->GetHeight(),
8, 8, pClipMask->GetPitch(), pClipMaskDataProvider,
decode_f, FALSE);
CGDataProviderRelease(pClipMaskDataProvider);
}
} else {
rect_cg = CGRectMake(0, 0, m_pBitmap->GetWidth(), m_pBitmap->GetHeight());
}
rect_cg = CGContextConvertRectToDeviceSpace(ctx, rect_cg);
if (pImageCG) {
CGContextClipToMask(ctx, rect_cg, pImageCG);
} else {
CGContextClipToRect(ctx, rect_cg);
}
FX_BOOL ret = _CGDrawGlyphRun(ctx, nChars, pCharPos, pFont, pCache, pObject2Device, font_size, argb, alpha_flag, pIccTransform);
if (pImageCG) {
CGImageRelease(pImageCG);
}
CGContextRestoreGState(ctx);
return ret;
}