void WKCACFLayer::setBounds(const CGRect& rect)
{
if (CGRectEqualToRect(rect, bounds()))
return;
CACFLayerSetBounds(layer(), rect);
setNeedsCommit();
if (m_needsDisplayOnBoundsChange)
setNeedsDisplay();
}
void WKCACFLayer::setFrame(const CGRect& rect)
{
CGRect oldFrame = frame();
if (CGRectEqualToRect(rect, oldFrame))
return;
CACFLayerSetFrame(layer(), rect);
setNeedsCommit();
if (m_needsDisplayOnBoundsChange)
setNeedsDisplay();
}
void WKCACFViewLayerTreeHost::updateViewIfNeeded()
{
if (!m_viewNeedsUpdate)
return;
m_viewNeedsUpdate = false;
CGRect layerBounds = rootLayer()->bounds();
CGRect bounds = this->bounds();
WKCACFViewUpdate(m_view.get(), window(), &bounds);
if (CGRectEqualToRect(layerBounds, rootLayer()->bounds()))
return;
// Flush the context so the layer's rendered bounds will match our bounds.
flushContext();
}
void DrawSubCGImage (CGContextRef ctx, CGImageRef image, CGRect src, CGRect dst)
{
float w = (float) CGImageGetWidth(image);
float h = (float) CGImageGetHeight(image);
CGRect drawRect = CGRectMake(0.0f, 0.0f, w, h);
if (!CGRectEqualToRect(src, dst))
{
float sx = CGRectGetWidth(dst) / CGRectGetWidth(src);
float sy = CGRectGetHeight(dst) / CGRectGetHeight(src);
float dx = CGRectGetMinX(dst) - (CGRectGetMinX(src) * sx);
float dy = CGRectGetMinY(dst) - (CGRectGetMinY(src) * sy);
drawRect = CGRectMake(dx, dy, w * sx, h * sy);
}
CGContextSaveGState(ctx);
CGContextClipToRect(ctx, dst);
CGContextDrawImage(ctx, drawRect, image);
CGContextRestoreGState(ctx);
}
bool sdl_osd_interface::font_get_bitmap(osd_font font, unicode_char chnum, bitmap_argb32 &bitmap, INT32 &width, INT32 &xoffs, INT32 &yoffs)
{
UniChar uni_char;
CGGlyph glyph;
CTFontRef ct_font = (CTFontRef)font;
const CFIndex count = 1;
CGRect bounding_rect, success_rect;
CGContextRef context_ref;
if( chnum == ' ' )
{
uni_char = 'n';
CTFontGetGlyphsForCharacters( ct_font, &uni_char, &glyph, count );
success_rect = CTFontGetBoundingRectsForGlyphs( ct_font, kCTFontDefaultOrientation, &glyph, &bounding_rect, count );
uni_char = chnum;
CTFontGetGlyphsForCharacters( ct_font, &uni_char, &glyph, count );
}
else
{
uni_char = chnum;
CTFontGetGlyphsForCharacters( ct_font, &uni_char, &glyph, count );
success_rect = CTFontGetBoundingRectsForGlyphs( ct_font, kCTFontDefaultOrientation, &glyph, &bounding_rect, count );
}
if( CGRectEqualToRect( success_rect, CGRectNull ) == false )
{
size_t bitmap_width;
size_t bitmap_height;
bitmap_width = ceilf(bounding_rect.size.width * EXTRA_WIDTH);
bitmap_width = bitmap_width == 0 ? 1 : bitmap_width;
bitmap_height = ceilf( (CTFontGetAscent(ct_font) + CTFontGetDescent(ct_font) + CTFontGetLeading(ct_font)) * EXTRA_HEIGHT);
xoffs = yoffs = 0;
width = bitmap_width;
size_t bits_per_component;
CGColorSpaceRef color_space;
CGBitmapInfo bitmap_info = kCGBitmapByteOrder32Host | kCGImageAlphaPremultipliedFirst;
color_space = CGColorSpaceCreateDeviceRGB();
bits_per_component = 8;
bitmap.allocate(bitmap_width, bitmap_height);
context_ref = CGBitmapContextCreate( bitmap.raw_pixptr(0), bitmap_width, bitmap_height, bits_per_component, bitmap.rowpixels()*4, color_space, bitmap_info );
if( context_ref != NULL )
{
CGFontRef font_ref;
font_ref = CTFontCopyGraphicsFont( ct_font, NULL );
CGContextSetTextPosition(context_ref, -bounding_rect.origin.x*EXTRA_WIDTH, CTFontGetDescent(ct_font)+CTFontGetLeading(ct_font) );
CGContextSetRGBFillColor(context_ref, 1.0, 1.0, 1.0, 1.0);
CGContextSetFont( context_ref, font_ref );
CGContextSetFontSize( context_ref, POINT_SIZE );
CGContextShowGlyphs( context_ref, &glyph, count );
CGFontRelease( font_ref );
CGContextRelease( context_ref );
}
CGColorSpaceRelease( color_space );
}
return bitmap.valid();
}
