示例#1
0
void drawTextWithSpacing(GraphicsContext* graphicsContext, const SimpleFontData* font, const wxColour& color, const GlyphBuffer& glyphBuffer, int from, int numGlyphs, const FloatPoint& point)
{
    graphicsContext->save();
    
    wxGCDC* dc = static_cast<wxGCDC*>(graphicsContext->platformContext());

    wxFont* wxfont = font->getWxFont();
    graphicsContext->setFillColor(graphicsContext->fillColor(), ColorSpaceDeviceRGB);

    CGContextRef cgContext = static_cast<CGContextRef>(dc->GetGraphicsContext()->GetNativeContext());

    CGFontRef cgFont = font->platformData().cgFont();
    
    CGContextSetFont(cgContext, cgFont);

    CGContextSetFontSize(cgContext, wxfont->GetPointSize());

    CGFloat red, green, blue, alpha;
    graphicsContext->fillColor().getRGBA(red, green, blue, alpha);
    CGContextSetRGBFillColor(cgContext, red, green, blue, alpha);

    CGAffineTransform matrix = CGAffineTransformIdentity;
    matrix.b = -matrix.b;
    matrix.d = -matrix.d;
    
    CGContextSetTextMatrix(cgContext, matrix);

    CGContextSetTextPosition(cgContext, point.x(), point.y());
    
    CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs);
    
    if (cgFont)
        CGFontRelease(cgFont);
    graphicsContext->restore();
}
示例#2
0
void quartz_draw_layout(void *layout, CGContextRef context, CGPoint position)
{
	CGContextSetTextPosition(context, position.x, position.y);
	
	CFArrayRef runs = CTLineGetGlyphRuns((CTLineRef)layout);
	CFIndex run_count = CFArrayGetCount(runs);
	CFIndex run_index;
	for (run_index = 0; run_index < run_count; ++run_index)
	{
		CTRunRef run = (CTRunRef)CFArrayGetValueAtIndex(runs, run_index);
		CTFontRef run_font = CFDictionaryGetValue(CTRunGetAttributes(run), kCTFontAttributeName);
		CGFontRef glyph_font = CTFontCopyGraphicsFont(run_font, NULL);
		CFIndex glyph_count = CTRunGetGlyphCount(run);
		CGGlyph glyphs[glyph_count];
		CGPoint positions[glyph_count];
		CFRange everything = CFRangeMake(0, 0);
		CTRunGetGlyphs(run, everything, glyphs);
		CTRunGetPositions(run, everything, positions);
		
		CGContextSetFont(context, glyph_font);
		CGContextSetFontSize(context, CTFontGetSize(run_font));
		CGContextShowGlyphsAtPositions(context, glyphs, positions, glyph_count);
		
		CGFontRelease(glyph_font);
	}
}
示例#3
0
FX_BOOL CQuartz2D::drawGraphicsString(void*                 graphics,
                                      void*                 font,
                                      FX_FLOAT              fontSize,
                                      FX_WORD*              glyphIndices,
                                      CGPoint*           glyphPositions,
                                      FX_INT32              charsCount,
                                      FX_ARGB               argb,
                                      CFX_AffineMatrix*     matrix )
{
    if (!graphics) {
        return FALSE;
    }
    CGContextRef context = (CGContextRef) graphics;
    CGContextSetFont(context, (CGFontRef)font);
    CGContextSetFontSize(context, fontSize);
    if (matrix) {
        CGAffineTransform m = CGContextGetTextMatrix(context);
        m = CGAffineTransformConcat(m,
                                    CGAffineTransformMake(matrix->a,
                                            matrix->b,
                                            matrix->c,
                                            matrix->d,
                                            matrix->e,
                                            matrix->f));
        CGContextSetTextMatrix(context, m);
    }
    FX_INT32 a, r, g, b;
    ArgbDecode(argb, a, r, g, b);
    CGContextSetRGBFillColor(context,
                             r / 255.f,
                             g / 255.f,
                             b / 255.f,
                             a / 255.f);
    CGContextSaveGState(context);
#if CGFLOAT_IS_DOUBLE
    CGPoint* glyphPositionsCG = new CGPoint[charsCount];
    if (!glyphPositionsCG) {
        return FALSE;
    }
    for (int index = 0; index < charsCount; ++index) {
        glyphPositionsCG[index].x = glyphPositions[index].x;
        glyphPositionsCG[index].y = glyphPositions[index].y;
    }
#else
    CGPoint* glyphPositionsCG = (CGPoint*)glyphPositions;
#endif
    CGContextShowGlyphsAtPositions(context,
                                   (CGGlyph *) glyphIndices,
                                   glyphPositionsCG,
                                   charsCount);
#if CGFLOAT_IS_DOUBLE
    delete[] glyphPositionsCG;
#endif
    CGContextRestoreGState(context);
    return TRUE;
}
示例#4
0
void QFontEngineMac::draw(CGContextRef ctx, qreal x, qreal y, const QTextItemInt &ti, int paintDeviceHeight)
{
    QVarLengthArray<QFixedPoint> positions;
    QVarLengthArray<glyph_t> glyphs;
    QTransform matrix;
    matrix.translate(x, y);
    getGlyphPositions(ti.glyphs, ti.num_glyphs, matrix, ti.flags, glyphs, positions);
    if (glyphs.size() == 0)
        return;

    CGContextSetFontSize(ctx, fontDef.pixelSize);

    CGAffineTransform oldTextMatrix = CGContextGetTextMatrix(ctx);

    CGAffineTransform cgMatrix = CGAffineTransformMake(1, 0, 0, -1, 0, -paintDeviceHeight);

    CGAffineTransformConcat(cgMatrix, oldTextMatrix);

    if (synthesisFlags & QFontEngine::SynthesizedItalic)
        cgMatrix = CGAffineTransformConcat(cgMatrix, CGAffineTransformMake(1, 0, -tanf(14 * acosf(0) / 90), 1, 0, 0));

    cgMatrix = CGAffineTransformConcat(cgMatrix, multiEngine->transform);

    CGContextSetTextMatrix(ctx, cgMatrix);

    CGContextSetTextDrawingMode(ctx, kCGTextFill);


    QVarLengthArray<CGSize> advances(glyphs.size());
    QVarLengthArray<CGGlyph> cgGlyphs(glyphs.size());

    for (int i = 0; i < glyphs.size() - 1; ++i) {
        advances[i].width = (positions[i + 1].x - positions[i].x).toReal();
        advances[i].height = (positions[i + 1].y - positions[i].y).toReal();
        cgGlyphs[i] = glyphs[i];
    }
    advances[glyphs.size() - 1].width = 0;
    advances[glyphs.size() - 1].height = 0;
    cgGlyphs[glyphs.size() - 1] = glyphs[glyphs.size() - 1];

    CGContextSetFont(ctx, cgFont);

    CGContextSetTextPosition(ctx, positions[0].x.toReal(), positions[0].y.toReal());

    CGContextShowGlyphsWithAdvances(ctx, cgGlyphs.data(), advances.data(), glyphs.size());

    if (synthesisFlags & QFontEngine::SynthesizedBold) {
        CGContextSetTextPosition(ctx, positions[0].x.toReal() + 0.5 * lineThickness().toReal(),
                                      positions[0].y.toReal());

        CGContextShowGlyphsWithAdvances(ctx, cgGlyphs.data(), advances.data(), glyphs.size());
    }

    CGContextSetTextMatrix(ctx, oldTextMatrix);
}
示例#5
0
void Font::drawGlyphs(GraphicsContext* graphicsContext, const FontData* font, const GlyphBuffer& glyphBuffer, 
                      int from, int numGlyphs, const FloatPoint& point) const
{
    CGContextRef cgContext = graphicsContext->platformContext();

    uint32_t oldFontSmoothingStyle = wkSetFontSmoothingStyle(cgContext);

    const FontPlatformData& platformData = font->platformData();
    //NSFont* drawFont;
    //if ([gContext isDrawingToScreen]) {
    //    drawFont = [platformData.font screenFont];
    //    if (drawFont != platformData.font)
    //        // We are getting this in too many places (3406411); use ERROR so it only prints on debug versions for now. (We should debug this also, eventually).
    //        LOG_ERROR("Attempting to set non-screen font (%@) when drawing to screen.  Using screen font anyway, may result in incorrect metrics.",
    //            [[[platformData.font fontDescriptor] fontAttributes] objectForKey:NSFontNameAttribute]);
    //} else {
    //    drawFont = [platformData.font printerFont];
    //    if (drawFont != platformData.font)
    //        NSLog(@"Attempting to set non-printer font (%@) when printing.  Using printer font anyway, may result in incorrect metrics.",
    //            [[[platformData.font fontDescriptor] fontAttributes] objectForKey:NSFontNameAttribute]);
    //}

    CGContextSetFont(cgContext, platformData.cgFont());

    CGAffineTransform matrix = CGAffineTransformIdentity;
    matrix.b = -matrix.b;
    matrix.d = -matrix.d;

    if (platformData.syntheticOblique())
    {
        static float skew = -tanf(syntheticObliqueAngle * acosf(0) / 90);
        matrix = CGAffineTransformConcat(matrix, CGAffineTransformMake(1, 0, skew, 1, 0, 0));
    }

    // Uniscribe gives us offsets to help refine the positioning of combining glyphs.
    FloatSize translation = glyphBuffer.offsetAt(from);
    if (translation.width() || translation.height())
        CGAffineTransformTranslate(matrix, translation.width(), translation.height());
    
    CGContextSetTextMatrix(cgContext, matrix);

    //wkSetCGFontRenderingMode(cgContext, drawFont);
    CGContextSetFontSize(cgContext, platformData.size());
    CGContextSetTextPosition(cgContext, point.x(), point.y());
    CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs);
    if (font->m_syntheticBoldOffset) {
        CGContextSetTextPosition(cgContext, point.x() + font->m_syntheticBoldOffset, point.y());
        CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs);
    }

    wkRestoreFontSmoothingStyle(cgContext, oldFontSmoothingStyle);
}
void MacVegaPrinterListener::DrawString(const OpPoint& pos, const uni_char* text, UINT32 len, INT32 extra_char_spacing, short word_width)
{
	CGContextSaveGState(m_ctx);
	CGContextTranslateCTM(m_ctx, 0, m_winHeight);
	OpPoint pt(pos.x, pos.y);
	if (m_font)
	{
		CGContextSetFont(m_ctx, m_font->GetCGFontRef());
		CGContextSetFontSize(m_ctx, m_font->GetSize());
		m_font->DrawStringUsingFallback(pt, text, len, extra_char_spacing, m_ctx);
	}
	CGContextRestoreGState(m_ctx);
}
示例#7
0
文件: gammatext.cpp 项目: UIKit0/skia
static void cgSetPaintForText(CGContextRef cg, const SkPaint& paint) {
    SkColor c = paint.getColor();
    CGFloat rgba[] = {
        SkColorGetB(c) / 255.0f,
        SkColorGetG(c) / 255.0f,
        SkColorGetR(c) / 255.0f,
        SkColorGetA(c) / 255.0f,
    };
    CGContextSetRGBFillColor(cg, rgba[0], rgba[1], rgba[2], rgba[3]);

    CGContextSetTextDrawingMode(cg, kCGTextFill);
    CGContextSetFont(cg, typefaceToCGFont(paint.getTypeface()));
    CGContextSetFontSize(cg, SkScalarToFloat(paint.getTextSize()));

    CGContextSetAllowsFontSubpixelPositioning(cg, paint.isSubpixelText());
    CGContextSetShouldSubpixelPositionFonts(cg, paint.isSubpixelText());

    CGContextSetShouldAntialias(cg, paint.isAntiAlias());
    CGContextSetShouldSmoothFonts(cg, paint.isLCDRenderText());
}
示例#8
0
文件: sdlmain.c 项目: j4y4r/j4ymame
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();
}
示例#9
0
void Font::drawGlyphs(GraphicsContext* graphicsContext, const SimpleFontData* font, const GlyphBuffer& glyphBuffer,
                      int from, int numGlyphs, const FloatPoint& point) const
{
    CGContextRef cgContext = graphicsContext->platformContext();
    bool shouldUseFontSmoothing = WebCoreShouldUseFontSmoothing();

    switch(fontDescription().fontSmoothing()) {
    case Antialiased: {
        graphicsContext->setShouldAntialias(true);
        shouldUseFontSmoothing = false;
        break;
    }
    case SubpixelAntialiased: {
        graphicsContext->setShouldAntialias(true);
        shouldUseFontSmoothing = true;
        break;
    }
    case NoSmoothing: {
        graphicsContext->setShouldAntialias(false);
        shouldUseFontSmoothing = false;
        break;
    }
    case AutoSmoothing: {
        // For the AutoSmooth case, don't do anything! Keep the default settings.
        break;
    }
    default:
        ASSERT_NOT_REACHED();
    }

    if (font->platformData().useGDI() && !shouldUseFontSmoothing) {
        drawGDIGlyphs(graphicsContext, font, glyphBuffer, from, numGlyphs, point);
        return;
    }

    uint32_t oldFontSmoothingStyle = wkSetFontSmoothingStyle(cgContext, shouldUseFontSmoothing);

    const FontPlatformData& platformData = font->platformData();

    CGContextSetFont(cgContext, platformData.cgFont());

    CGAffineTransform matrix = CGAffineTransformIdentity;
    matrix.b = -matrix.b;
    matrix.d = -matrix.d;

    if (platformData.syntheticOblique()) {
        static float skew = -tanf(syntheticObliqueAngle * piFloat / 180.0f);
        matrix = CGAffineTransformConcat(matrix, CGAffineTransformMake(1, 0, skew, 1, 0, 0));
    }

    CGContextSetTextMatrix(cgContext, matrix);

    // Uniscribe gives us offsets to help refine the positioning of combining glyphs.
    FloatSize translation = glyphBuffer.offsetAt(from);

    CGContextSetFontSize(cgContext, platformData.size());
    wkSetCGContextFontRenderingStyle(cgContext, font->isSystemFont(), false, font->platformData().useGDI());

    FloatSize shadowOffset;
    float shadowBlur;
    Color shadowColor;
    ColorSpace shadowColorSpace;
    graphicsContext->getShadow(shadowOffset, shadowBlur, shadowColor, shadowColorSpace);

    bool hasSimpleShadow = graphicsContext->textDrawingMode() == TextModeFill && shadowColor.isValid() && !shadowBlur && (!graphicsContext->shadowsIgnoreTransforms() || graphicsContext->getCTM().isIdentityOrTranslationOrFlipped());
    if (hasSimpleShadow) {
        // Paint simple shadows ourselves instead of relying on CG shadows, to avoid losing subpixel antialiasing.
        graphicsContext->clearShadow();
        Color fillColor = graphicsContext->fillColor();
        Color shadowFillColor(shadowColor.red(), shadowColor.green(), shadowColor.blue(), shadowColor.alpha() * fillColor.alpha() / 255);
        graphicsContext->setFillColor(shadowFillColor, ColorSpaceDeviceRGB);
        float shadowTextX = point.x() + translation.width() + shadowOffset.width();
        // If shadows are ignoring transforms, then we haven't applied the Y coordinate flip yet, so down is negative.
        float shadowTextY = point.y() + translation.height() + shadowOffset.height() * (graphicsContext->shadowsIgnoreTransforms() ? -1 : 1);
        CGContextSetTextPosition(cgContext, shadowTextX, shadowTextY);
        CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs);
        if (font->syntheticBoldOffset()) {
            CGContextSetTextPosition(cgContext, point.x() + translation.width() + shadowOffset.width() + font->syntheticBoldOffset(), point.y() + translation.height() + shadowOffset.height());
            CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs);
        }
        graphicsContext->setFillColor(fillColor, ColorSpaceDeviceRGB);
    }

    CGContextSetTextPosition(cgContext, point.x() + translation.width(), point.y() + translation.height());
    CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs);
    if (font->syntheticBoldOffset()) {
        CGContextSetTextPosition(cgContext, point.x() + translation.width() + font->syntheticBoldOffset(), point.y() + translation.height());
        CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs);
    }

    if (hasSimpleShadow)
        graphicsContext->setShadow(shadowOffset, shadowBlur, shadowColor, ColorSpaceDeviceRGB);

    wkRestoreFontSmoothingStyle(cgContext, oldFontSmoothingStyle);
}
void drawTextWithSpacing(GraphicsContext* graphicsContext, const SimpleFontData* font, const wxColour& color, const GlyphBuffer& glyphBuffer, int from, int numGlyphs, const FloatPoint& point)
{
    graphicsContext->save();
    
    wxGCDC* dc = static_cast<wxGCDC*>(graphicsContext->platformContext());

    wxFont* wxfont = font->getWxFont();
    graphicsContext->setFillColor(graphicsContext->fillColor(), DeviceColorSpace);

    CGContextRef cgContext = static_cast<CGContextRef>(dc->GetGraphicsContext()->GetNativeContext());

    CGFontRef cgFont;

#ifdef wxOSX_USE_CORE_TEXT && wxOSX_USE_CORE_TEXT
    cgFont = CTFontCopyGraphicsFont((CTFontRef)wxfont->OSXGetCTFont(), NULL);
#else
    ATSFontRef fontRef;
    
    fontRef = FMGetATSFontRefFromFont(wxfont->MacGetATSUFontID());
    
    if (fontRef)
        cgFont = CGFontCreateWithPlatformFont((void*)&fontRef);
#endif
    
    CGContextSetFont(cgContext, cgFont);

    CGContextSetFontSize(cgContext, wxfont->GetPointSize());

    CGFloat red, green, blue, alpha;
    graphicsContext->fillColor().getRGBA(red, green, blue, alpha);
    CGContextSetRGBFillColor(cgContext, red, green, blue, alpha);

    CGAffineTransform matrix = CGAffineTransformIdentity;
    matrix.b = -matrix.b;
    matrix.d = -matrix.d;
    
    CGContextSetTextMatrix(cgContext, matrix);

    CGContextSetTextPosition(cgContext, point.x(), point.y());
    
    const FloatSize* advanceSizes = static_cast<const FloatSize*>(glyphBuffer.advances(from));
    int size = glyphBuffer.size() - from;
    CGSize sizes[size];
    CGGlyph glyphs[numGlyphs];
    
    // if the function doesn't exist, we're probably on tiger and need to grab the
    // function under its old name, CGFontGetGlyphsForUnicodes
    if (!CGFontGetGlyphsForUnichars)
        CGFontGetGlyphsForUnichars = (CGFontGetGlyphsForUnicharsPtr)dlsym(RTLD_DEFAULT, "CGFontGetGlyphsForUnicodes");
    
    // Let's make sure we got the function under one name or another!
    ASSERT(CGFontGetGlyphsForUnichars);
    CGFontGetGlyphsForUnichars(cgFont, glyphBuffer.glyphs(from), glyphs, numGlyphs);
    
    for (int i = 0; i < size; i++) {
        FloatSize fsize = advanceSizes[i];
        sizes[i] = CGSizeMake(fsize.width(), fsize.height());
    }
    
    CGContextShowGlyphsWithAdvances(cgContext, glyphs, sizes, numGlyphs);
    
    if (cgFont)
        CGFontRelease(cgFont);
    graphicsContext->restore();
}
示例#11
0
static cairo_int_status_t
_cairo_quartz_init_glyph_surface (cairo_quartz_scaled_font_t *font,
				  cairo_scaled_glyph_t *scaled_glyph)
{
    cairo_int_status_t status = CAIRO_STATUS_SUCCESS;

    cairo_quartz_font_face_t *font_face = _cairo_quartz_scaled_to_face(font);

    cairo_image_surface_t *surface = NULL;

    CGGlyph glyph = _cairo_quartz_scaled_glyph_index (scaled_glyph);

    int advance;
    CGRect bbox;
    double width, height;
    double emscale = CGFontGetUnitsPerEmPtr (font_face->cgFont);

    CGContextRef cgContext = NULL;
    CGAffineTransform textMatrix;
    CGRect glyphRect, glyphRectInt;
    CGPoint glyphOrigin;

    //fprintf (stderr, "scaled_glyph: %p surface: %p\n", scaled_glyph, scaled_glyph->surface);

    /* Create blank 2x2 image if we don't have this character.
     * Maybe we should draw a better missing-glyph slug or something,
     * but this is ok for now.
     */
    if (glyph == INVALID_GLYPH) {
	surface = (cairo_image_surface_t*) cairo_image_surface_create (CAIRO_FORMAT_A8, 2, 2);
	status = cairo_surface_status ((cairo_surface_t *) surface);
	if (status)
	    return status;

	_cairo_scaled_glyph_set_surface (scaled_glyph,
					 &font->base,
					 surface);
	return CAIRO_STATUS_SUCCESS;
    }

    if (!CGFontGetGlyphAdvancesPtr (font_face->cgFont, &glyph, 1, &advance) ||
	!CGFontGetGlyphBBoxesPtr (font_face->cgFont, &glyph, 1, &bbox))
    {
	return CAIRO_INT_STATUS_UNSUPPORTED;
    }

    /* scale(1,-1) * font->base.scale * scale(1,-1) */
    textMatrix = CGAffineTransformMake (font->base.scale.xx,
					-font->base.scale.yx,
					-font->base.scale.xy,
					font->base.scale.yy,
					0, -0);
    glyphRect = CGRectMake (bbox.origin.x / emscale,
			    bbox.origin.y / emscale,
			    bbox.size.width / emscale,
			    bbox.size.height / emscale);

    glyphRect = CGRectApplyAffineTransform (glyphRect, textMatrix);

    /* Round the rectangle outwards, so that we don't have to deal
     * with non-integer-pixel origins or dimensions.
     */
    glyphRectInt = CGRectIntegral (glyphRect);

#if 0
    fprintf (stderr, "glyphRect[o]: %f %f %f %f\n",
	     glyphRect.origin.x, glyphRect.origin.y, glyphRect.size.width, glyphRect.size.height);
    fprintf (stderr, "glyphRectInt: %f %f %f %f\n",
	     glyphRectInt.origin.x, glyphRectInt.origin.y, glyphRectInt.size.width, glyphRectInt.size.height);
#endif

    glyphOrigin = glyphRectInt.origin;

    //textMatrix = CGAffineTransformConcat (textMatrix, CGAffineTransformInvert (ctm));

    width = glyphRectInt.size.width;
    height = glyphRectInt.size.height;

    //fprintf (stderr, "glyphRect[n]: %f %f %f %f\n", glyphRect.origin.x, glyphRect.origin.y, glyphRect.size.width, glyphRect.size.height);

    surface = (cairo_image_surface_t*) cairo_image_surface_create (CAIRO_FORMAT_A8, width, height);
    if (surface->base.status)
	return surface->base.status;

    if (surface->width != 0 && surface->height != 0) {
	cgContext = CGBitmapContextCreate (surface->data,
					   surface->width,
					   surface->height,
					   8,
					   surface->stride,
					   NULL,
					   kCGImageAlphaOnly);

	if (cgContext == NULL) {
	    cairo_surface_destroy (&surface->base);
	    return _cairo_error (CAIRO_STATUS_NO_MEMORY);
	}

	CGContextSetFont (cgContext, font_face->cgFont);
	CGContextSetFontSize (cgContext, 1.0);
	CGContextSetTextMatrix (cgContext, textMatrix);

	switch (font->base.options.antialias) {
	case CAIRO_ANTIALIAS_SUBPIXEL:
	case CAIRO_ANTIALIAS_BEST:
	    CGContextSetShouldAntialias (cgContext, TRUE);
	    CGContextSetShouldSmoothFonts (cgContext, TRUE);
	    if (CGContextSetAllowsFontSmoothingPtr &&
		!CGContextGetAllowsFontSmoothingPtr (cgContext))
		CGContextSetAllowsFontSmoothingPtr (cgContext, TRUE);
	    break;
	case CAIRO_ANTIALIAS_NONE:
	    CGContextSetShouldAntialias (cgContext, FALSE);
	    break;
	case CAIRO_ANTIALIAS_GRAY:
	case CAIRO_ANTIALIAS_GOOD:
	case CAIRO_ANTIALIAS_FAST:
	    CGContextSetShouldAntialias (cgContext, TRUE);
	    CGContextSetShouldSmoothFonts (cgContext, FALSE);
	    break;
	case CAIRO_ANTIALIAS_DEFAULT:
	default:
	    /* Don't do anything */
	    break;
	}

	CGContextSetAlpha (cgContext, 1.0);
	CGContextShowGlyphsAtPoint (cgContext, - glyphOrigin.x, - glyphOrigin.y, &glyph, 1);

	CGContextRelease (cgContext);
    }

    cairo_surface_set_device_offset (&surface->base,
				     - glyphOrigin.x,
				     height + glyphOrigin.y);

    _cairo_scaled_glyph_set_surface (scaled_glyph, &font->base, surface);

    return status;
}
示例#12
0
static cairo_status_t
_cairo_atsui_font_show_glyphs(void *abstract_font,
                              cairo_operator_t operator,
                              cairo_pattern_t *pattern,
                              cairo_surface_t *generic_surface,
                              int source_x,
                              int source_y,
                              int dest_x,
                              int dest_y,
			      unsigned int width,
			      unsigned int height,
                              const cairo_glyph_t *glyphs,
			      int num_glyphs)
{
    cairo_atsui_font_t *font = abstract_font;
    CGContextRef myBitmapContext;
    CGColorSpaceRef colorSpace;
    cairo_image_surface_t *destImageSurface;
    int i;
    void *extra = NULL;

    cairo_rectangle_t rect = {dest_x, dest_y, width, height};
    _cairo_surface_acquire_dest_image(generic_surface,
				      &rect,
				      &destImageSurface,
				      &rect,
				      &extra);

    // Create a CGBitmapContext for the dest surface for drawing into
    colorSpace = CGColorSpaceCreateDeviceRGB();

    myBitmapContext = CGBitmapContextCreate(destImageSurface->data,
                                            destImageSurface->width,
                                            destImageSurface->height,
                                            destImageSurface->depth / 4,
                                            destImageSurface->stride,
                                            colorSpace,
                                            kCGImageAlphaPremultipliedFirst |
                                            kCGBitmapByteOrder32Host);
    CGContextTranslateCTM(myBitmapContext, 0, destImageSurface->height);
    CGContextScaleCTM(myBitmapContext, 1.0f, -1.0f);

    ATSFontRef atsFont = FMGetATSFontRefFromFont(font->fontID);
    CGFontRef cgFont = CGFontCreateWithPlatformFont(&atsFont);

    CGContextSetFont(myBitmapContext, cgFont);

    CGAffineTransform textTransform =
        CGAffineTransformMakeWithCairoFontScale(&font->scale);

    textTransform = CGAffineTransformScale(textTransform, 1.0f, -1.0f);

    CGContextSetFontSize(myBitmapContext, 1.0);
    CGContextSetTextMatrix(myBitmapContext, textTransform);

    if (pattern->type == CAIRO_PATTERN_SOLID &&
	_cairo_pattern_is_opaque_solid(pattern))
    {
	cairo_solid_pattern_t *solid = (cairo_solid_pattern_t *)pattern;
	CGContextSetRGBFillColor(myBitmapContext,
				 solid->color.red,
				 solid->color.green,
				 solid->color.blue, 1.0f);
    } else {
	CGContextSetRGBFillColor(myBitmapContext, 0.0f, 0.0f, 0.0f, 0.0f);
    }

    // TODO - bold and italic text
    //
    // We could draw the text using ATSUI and get bold, italics
    // etc. for free, but ATSUI does a lot of text layout work
    // that we don't really need...


    for (i = 0; i < num_glyphs; i++) {
        CGGlyph theGlyph = glyphs[i].index;

        CGContextShowGlyphsAtPoint(myBitmapContext,
				   glyphs[i].x,
                                   glyphs[i].y,
                                   &theGlyph, 1);
    }


    CGColorSpaceRelease(colorSpace);
    CGContextRelease(myBitmapContext);

    _cairo_surface_release_dest_image(generic_surface,
				      &rect,
				      destImageSurface,
				      &rect,
				      extra);

    return CAIRO_STATUS_SUCCESS;
}
static cairo_int_status_t
_cairo_quartz_init_glyph_surface (cairo_quartz_scaled_font_t *font,
				  cairo_scaled_glyph_t *scaled_glyph)
{
    cairo_int_status_t status = CAIRO_STATUS_SUCCESS;

    cairo_quartz_font_face_t *font_face = _cairo_quartz_scaled_to_face(font);

    cairo_image_surface_t *surface = NULL;

    CGGlyph glyph = _cairo_quartz_scaled_glyph_index (scaled_glyph);

    int advance;
    CGRect bbox;
    double width, height;
    double xscale, yscale;
    double emscale = CGFontGetUnitsPerEmPtr (font_face->cgFont);

    CGColorSpaceRef gray;
    CGContextRef cgContext = NULL;
    CGAffineTransform textMatrix;
    CGRect glyphRect, glyphRectInt;
    CGPoint glyphOrigin;

    //fprintf (stderr, "scaled_glyph: %p surface: %p\n", scaled_glyph, scaled_glyph->surface);

    /* Create blank 2x2 image if we don't have this character.
     * Maybe we should draw a better missing-glyph slug or something,
     * but this is ok for now.
     */
    if (glyph == INVALID_GLYPH) {
	surface = (cairo_image_surface_t*) cairo_image_surface_create (CAIRO_FORMAT_A8, 2, 2);
	status = cairo_surface_status ((cairo_surface_t *) surface);
	if (status)
	    return status;

	_cairo_scaled_glyph_set_surface (scaled_glyph,
					 &font->base,
					 surface);
	return CAIRO_STATUS_SUCCESS;
    }

    if (!CGFontGetGlyphAdvancesPtr (font_face->cgFont, &glyph, 1, &advance) ||
	!CGFontGetGlyphBBoxesPtr (font_face->cgFont, &glyph, 1, &bbox))
    {
	return CAIRO_INT_STATUS_UNSUPPORTED;
    }

    status = _cairo_matrix_compute_basis_scale_factors (&font->base.scale,
						  &xscale, &yscale, 1);
    if (status)
	return status;

    textMatrix = CGAffineTransformMake (font->base.scale.xx,
					-font->base.scale.yx,
					-font->base.scale.xy,
					font->base.scale.yy,
					0.0f, 0.0f);
    glyphRect = CGRectMake (bbox.origin.x / emscale,
			    bbox.origin.y / emscale,
			    bbox.size.width / emscale,
			    bbox.size.height / emscale);

    glyphRect = CGRectApplyAffineTransform (glyphRect, textMatrix);

    /* Round the rectangle outwards, so that we don't have to deal
     * with non-integer-pixel origins or dimensions.
     */
    glyphRectInt = CGRectIntegral (glyphRect);

#if 0
    fprintf (stderr, "glyphRect[o]: %f %f %f %f\n",
	     glyphRect.origin.x, glyphRect.origin.y, glyphRect.size.width, glyphRect.size.height);
    fprintf (stderr, "glyphRectInt: %f %f %f %f\n",
	     glyphRectInt.origin.x, glyphRectInt.origin.y, glyphRectInt.size.width, glyphRectInt.size.height);
#endif

    glyphOrigin = glyphRectInt.origin;

    //textMatrix = CGAffineTransformConcat (textMatrix, CGAffineTransformInvert (ctm));

    width = glyphRectInt.size.width;
    height = glyphRectInt.size.height;

    //fprintf (stderr, "glyphRect[n]: %f %f %f %f\n", glyphRect.origin.x, glyphRect.origin.y, glyphRect.size.width, glyphRect.size.height);

    surface = (cairo_image_surface_t*) cairo_image_surface_create (CAIRO_FORMAT_A8, width, height);
    if (surface->base.status)
	return surface->base.status;

    gray = CGColorSpaceCreateDeviceGray ();
    cgContext = CGBitmapContextCreate (surface->data,
				       surface->width,
				       surface->height,
				       8,
				       surface->stride,
				       gray,
				       kCGImageAlphaNone);
    CGColorSpaceRelease (gray);

    CGContextSetFont (cgContext, font_face->cgFont);
    CGContextSetFontSize (cgContext, 1.0);
    CGContextSetTextMatrix (cgContext, textMatrix);

    CGContextClearRect (cgContext, CGRectMake (0.0f, 0.0f, width, height));

    if (font->base.options.antialias == CAIRO_ANTIALIAS_NONE)
	CGContextSetShouldAntialias (cgContext, false);

    CGContextSetRGBFillColor (cgContext, 1.0, 1.0, 1.0, 1.0);
    CGContextShowGlyphsAtPoint (cgContext, - glyphOrigin.x, - glyphOrigin.y, &glyph, 1);

    CGContextRelease (cgContext);

    cairo_surface_set_device_offset (&surface->base,
				     - glyphOrigin.x,
				     height + glyphOrigin.y);

    _cairo_scaled_glyph_set_surface (scaled_glyph, &font->base, surface);

    return status;
}
示例#14
0
FX_BOOL CFX_QuartzDeviceDriver::CG_DrawGlypRun(int                        nChars,
        const FXTEXT_CHARPOS*      pCharPos,
        CFX_Font*                  pFont,
        CFX_FontCache*             pCache,
        const CFX_AffineMatrix*    pGlyphMatrix,
        const CFX_AffineMatrix*    pObject2Device,
        FX_FLOAT                   font_size,
        FX_DWORD                   argb,
        int                        alpha_flag,
        void*                      pIccTransform)
{
    if (nChars == 0) {
        return TRUE;
    }
    CQuartz2D& quartz2d = ((CApplePlatform *) CFX_GEModule::Get()->GetPlatformData())->_quartz2d;
    if (!pFont->m_pPlatformFont) {
        if (pFont->GetPsName() == CFX_WideString::FromLocal("DFHeiStd-W5")) {
            return FALSE;
        }
        pFont->m_pPlatformFont = quartz2d.CreateFont(pFont->m_pFontData, pFont->m_dwSize);
        if (NULL == pFont->m_pPlatformFont) {
            return FALSE;
        }
    }
    CFX_FixedBufGrow<FX_WORD, 32> glyph_indices(nChars);
    CFX_FixedBufGrow<CGPoint, 32> glyph_positions(nChars);
    for (int i = 0; i < nChars; i++ ) {
        glyph_indices[i] = pCharPos[i].m_ExtGID;
        glyph_positions[i].x = pCharPos[i].m_OriginX;
        glyph_positions[i].y = pCharPos[i].m_OriginY;
    }
    CFX_AffineMatrix text_matrix;
    if (pObject2Device) {
        text_matrix.Concat(*pObject2Device);
    }
    CGAffineTransform matrix_cg = CGAffineTransformMake(text_matrix.a,
                                  text_matrix.b,
                                  text_matrix.c,
                                  text_matrix.d,
                                  text_matrix.e,
                                  text_matrix.f);
    matrix_cg = CGAffineTransformConcat(matrix_cg, _foxitDevice2User);
    CGContextSetTextMatrix(_context, matrix_cg);
    CGContextSetFont(_context, (CGFontRef)pFont->m_pPlatformFont);
    CGContextSetFontSize(_context, FXSYS_fabs(font_size));
    FX_INT32 a, r, g, b;
    ArgbDecode(argb, a, r, g, b);
    CGContextSetRGBFillColor(_context,
                             r / 255.f,
                             g / 255.f,
                             b / 255.f,
                             a / 255.f);
    SaveState();
    if (pGlyphMatrix) {
        CGPoint origin = CGPointMake( glyph_positions[0].x,  glyph_positions[0].y);
        origin = CGPointApplyAffineTransform(origin, matrix_cg);
        CGContextTranslateCTM(_context, origin.x, origin.y);
        CGAffineTransform glyph_matrix = CGAffineTransformMake(pGlyphMatrix->a,
                                         pGlyphMatrix->b,
                                         pGlyphMatrix->c,
                                         pGlyphMatrix->d,
                                         pGlyphMatrix->e,
                                         pGlyphMatrix->f);
        if (_foxitDevice2User.d < 0) {
            glyph_matrix = CGAffineTransformInvert(glyph_matrix);
        }
        CGContextConcatCTM(_context, glyph_matrix);
        CGContextTranslateCTM(_context, -origin.x, -origin.y);
    }
    CGContextShowGlyphsAtPositions(_context,
                                   (CGGlyph*)glyph_indices,
                                   glyph_positions,
                                   nChars);
    RestoreState(FALSE);
    return TRUE;
}
示例#15
0
QImage QFontEngineMac::alphaMapForGlyph(glyph_t glyph)
{
    const glyph_metrics_t br = boundingBox(glyph);
    QImage im(qRound(br.width)+2, qRound(br.height)+2, QImage::Format_RGB32);
    im.fill(0);

    CGColorSpaceRef colorspace = CGColorSpaceCreateDeviceRGB();
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4)
    uint cgflags = kCGImageAlphaNoneSkipFirst;
#ifdef kCGBitmapByteOrder32Host //only needed because CGImage.h added symbols in the minor version
    if(QSysInfo::MacintoshVersion >= QSysInfo::MV_10_4)
        cgflags |= kCGBitmapByteOrder32Host;
#endif
#else
    CGImageAlphaInfo cgflags = kCGImageAlphaNoneSkipFirst;
#endif
    CGContextRef ctx = CGBitmapContextCreate(im.bits(), im.width(), im.height(),
                                             8, im.bytesPerLine(), colorspace,
                                             cgflags);
    CGColorSpaceRelease(colorspace);
    CGContextSetFontSize(ctx, fontDef.pixelSize);
    CGContextSetShouldAntialias(ctx, fontDef.pointSize > qt_antialiasing_threshold && !(fontDef.styleStrategy & QFont::NoAntialias));
    CGAffineTransform oldTextMatrix = CGContextGetTextMatrix(ctx);
    CGAffineTransform cgMatrix = CGAffineTransformMake(1, 0, 0, 1, 0, 0);
    CGAffineTransformConcat(cgMatrix, oldTextMatrix);

    if (synthesisFlags & QFontEngine::SynthesizedItalic)
        cgMatrix = CGAffineTransformConcat(cgMatrix, CGAffineTransformMake(1, 0, tanf(14 * acosf(0) / 90), 1, 0, 0));

    cgMatrix = CGAffineTransformConcat(cgMatrix, multiEngine->transform);

    CGContextSetTextMatrix(ctx, cgMatrix);
    CGContextSetRGBFillColor(ctx, 1, 1, 1, 1);
    CGContextSetTextDrawingMode(ctx, kCGTextFill);
    CGContextSetFont(ctx, cgFont);

    qreal pos_x = -br.x.toReal()+1, pos_y = im.height()+br.y.toReal();
    CGContextSetTextPosition(ctx, pos_x, pos_y);

    CGSize advance;
    advance.width = 0;
    advance.height = 0;
    CGGlyph cgGlyph = glyph;
    CGContextShowGlyphsWithAdvances(ctx, &cgGlyph, &advance, 1);

    if (synthesisFlags & QFontEngine::SynthesizedBold) {
        CGContextSetTextPosition(ctx, pos_x + 0.5 * lineThickness().toReal(), pos_y);
        CGContextShowGlyphsWithAdvances(ctx, &cgGlyph, &advance, 1);
    }

    CGContextRelease(ctx);

    QImage indexed(im.width(), im.height(), QImage::Format_Indexed8);
    QVector<QRgb> colors(256);
    for (int i=0; i<256; ++i)
        colors[i] = qRgba(0, 0, 0, i);
    indexed.setColorTable(colors);

    for (int y=0; y<im.height(); ++y) {
        uint *src = (uint*) im.scanLine(y);
        uchar *dst = indexed.scanLine(y);
        for (int x=0; x<im.width(); ++x) {
            *dst = qGray(*src);
            ++dst;
            ++src;
        }
    }

    return indexed;
}
示例#16
0
void Font::drawGlyphs(GraphicsContext* graphicsContext, const SimpleFontData* font, const GlyphBuffer& glyphBuffer, 
                      int from, int numGlyphs, const FloatPoint& point) const
{
    CGContextRef cgContext = graphicsContext->platformContext();
    bool shouldUseFontSmoothing = WebCoreShouldUseFontSmoothing();

    if (font->platformData().useGDI()) {
        static bool canUsePlatformNativeGlyphs = wkCanUsePlatformNativeGlyphs();
        if (!canUsePlatformNativeGlyphs || !shouldUseFontSmoothing || (graphicsContext->textDrawingMode() & cTextStroke)) {
            drawGDIGlyphs(graphicsContext, font, glyphBuffer, from, numGlyphs, point);
            return;
        }
    }

    uint32_t oldFontSmoothingStyle = wkSetFontSmoothingStyle(cgContext, shouldUseFontSmoothing);

    const FontPlatformData& platformData = font->platformData();

    CGContextSetFont(cgContext, platformData.cgFont());

    CGAffineTransform matrix = CGAffineTransformIdentity;
    matrix.b = -matrix.b;
    matrix.d = -matrix.d;

    if (platformData.syntheticOblique()) {
        static float skew = -tanf(syntheticObliqueAngle * piFloat / 180.0f);
        matrix = CGAffineTransformConcat(matrix, CGAffineTransformMake(1, 0, skew, 1, 0, 0));
    }

    CGContextSetTextMatrix(cgContext, matrix);

    // Uniscribe gives us offsets to help refine the positioning of combining glyphs.
    FloatSize translation = glyphBuffer.offsetAt(from);

    CGContextSetFontSize(cgContext, platformData.size());
    wkSetCGContextFontRenderingStyle(cgContext, font->isSystemFont(), false, font->platformData().useGDI());

    IntSize shadowSize;
    int shadowBlur;
    Color shadowColor;
    graphicsContext->getShadow(shadowSize, shadowBlur, shadowColor);

    bool hasSimpleShadow = graphicsContext->textDrawingMode() == cTextFill && shadowColor.isValid() && !shadowBlur;
    if (hasSimpleShadow) {
        // Paint simple shadows ourselves instead of relying on CG shadows, to avoid losing subpixel antialiasing.
        graphicsContext->clearShadow();
        Color fillColor = graphicsContext->fillColor();
        Color shadowFillColor(shadowColor.red(), shadowColor.green(), shadowColor.blue(), shadowColor.alpha() * fillColor.alpha() / 255);
        graphicsContext->setFillColor(shadowFillColor);
        CGContextSetTextPosition(cgContext, point.x() + translation.width() + shadowSize.width(), point.y() + translation.height() + shadowSize.height());
        CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs);
        if (font->m_syntheticBoldOffset) {
            CGContextSetTextPosition(cgContext, point.x() + translation.width() + shadowSize.width() + font->m_syntheticBoldOffset, point.y() + translation.height() + shadowSize.height());
            CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs);
        }
        graphicsContext->setFillColor(fillColor);
    }

    CGContextSetTextPosition(cgContext, point.x() + translation.width(), point.y() + translation.height());
    CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs);
    if (font->m_syntheticBoldOffset) {
        CGContextSetTextPosition(cgContext, point.x() + translation.width() + font->m_syntheticBoldOffset, point.y() + translation.height());
        CGContextShowGlyphsWithAdvances(cgContext, glyphBuffer.glyphs(from), glyphBuffer.advances(from), numGlyphs);
    }

    if (hasSimpleShadow)
        graphicsContext->setShadow(shadowSize, shadowBlur, shadowColor);

    wkRestoreFontSmoothingStyle(cgContext, oldFontSmoothingStyle);
}