Tue, 06 Jan 2015 21:39:09 +0100
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
michael@0 | 1 | From: Jonathan Kew <jkew@mozilla.com> |
michael@0 | 2 | bug 715798 pt 1 - support Apple Color Emoji font in cairo-quartz backend. r=jrmuizel |
michael@0 | 3 | |
michael@0 | 4 | diff --git a/gfx/cairo/cairo/src/cairo-quartz-font.c b/gfx/cairo/cairo/src/cairo-quartz-font.c |
michael@0 | 5 | --- a/gfx/cairo/cairo/src/cairo-quartz-font.c |
michael@0 | 6 | +++ b/gfx/cairo/cairo/src/cairo-quartz-font.c |
michael@0 | 7 | @@ -85,16 +85,20 @@ typedef struct { |
michael@0 | 8 | int descent; |
michael@0 | 9 | int leading; |
michael@0 | 10 | } quartz_CGFontMetrics; |
michael@0 | 11 | static quartz_CGFontMetrics* (*CGFontGetHMetricsPtr) (CGFontRef fontRef) = NULL; |
michael@0 | 12 | static int (*CGFontGetAscentPtr) (CGFontRef fontRef) = NULL; |
michael@0 | 13 | static int (*CGFontGetDescentPtr) (CGFontRef fontRef) = NULL; |
michael@0 | 14 | static int (*CGFontGetLeadingPtr) (CGFontRef fontRef) = NULL; |
michael@0 | 15 | |
michael@0 | 16 | +/* CTFontCreateWithGraphicsFont is not public until 10.5. */ |
michael@0 | 17 | +typedef const struct __CTFontDescriptor *CTFontDescriptorRef; |
michael@0 | 18 | +static CTFontRef (*CTFontCreateWithGraphicsFontPtr) (CGFontRef, CGFloat, const CGAffineTransform *, CTFontDescriptorRef) = NULL; |
michael@0 | 19 | + |
michael@0 | 20 | static cairo_bool_t _cairo_quartz_font_symbol_lookup_done = FALSE; |
michael@0 | 21 | static cairo_bool_t _cairo_quartz_font_symbols_present = FALSE; |
michael@0 | 22 | |
michael@0 | 23 | static void |
michael@0 | 24 | quartz_font_ensure_symbols(void) |
michael@0 | 25 | { |
michael@0 | 26 | if (_cairo_quartz_font_symbol_lookup_done) |
michael@0 | 27 | return; |
michael@0 | 28 | @@ -122,16 +126,18 @@ quartz_font_ensure_symbols(void) |
michael@0 | 29 | CGFontGetHMetricsPtr = dlsym(RTLD_DEFAULT, "CGFontGetHMetrics"); |
michael@0 | 30 | CGFontGetAscentPtr = dlsym(RTLD_DEFAULT, "CGFontGetAscent"); |
michael@0 | 31 | CGFontGetDescentPtr = dlsym(RTLD_DEFAULT, "CGFontGetDescent"); |
michael@0 | 32 | CGFontGetLeadingPtr = dlsym(RTLD_DEFAULT, "CGFontGetLeading"); |
michael@0 | 33 | |
michael@0 | 34 | CGContextGetAllowsFontSmoothingPtr = dlsym(RTLD_DEFAULT, "CGContextGetAllowsFontSmoothing"); |
michael@0 | 35 | CGContextSetAllowsFontSmoothingPtr = dlsym(RTLD_DEFAULT, "CGContextSetAllowsFontSmoothing"); |
michael@0 | 36 | |
michael@0 | 37 | + CTFontCreateWithGraphicsFontPtr = dlsym(RTLD_DEFAULT, "CTFontCreateWithGraphicsFont"); |
michael@0 | 38 | + |
michael@0 | 39 | if ((CGFontCreateWithFontNamePtr || CGFontCreateWithNamePtr) && |
michael@0 | 40 | CGFontGetGlyphBBoxesPtr && |
michael@0 | 41 | CGFontGetGlyphsForUnicharsPtr && |
michael@0 | 42 | CGFontGetUnitsPerEmPtr && |
michael@0 | 43 | CGFontGetGlyphAdvancesPtr && |
michael@0 | 44 | CGFontGetGlyphPathPtr && |
michael@0 | 45 | (CGFontGetHMetricsPtr || (CGFontGetAscentPtr && CGFontGetDescentPtr && CGFontGetLeadingPtr))) |
michael@0 | 46 | _cairo_quartz_font_symbols_present = TRUE; |
michael@0 | 47 | @@ -145,16 +151,17 @@ typedef struct _cairo_quartz_scaled_font |
michael@0 | 48 | struct _cairo_quartz_scaled_font { |
michael@0 | 49 | cairo_scaled_font_t base; |
michael@0 | 50 | }; |
michael@0 | 51 | |
michael@0 | 52 | struct _cairo_quartz_font_face { |
michael@0 | 53 | cairo_font_face_t base; |
michael@0 | 54 | |
michael@0 | 55 | CGFontRef cgFont; |
michael@0 | 56 | + CTFontRef ctFont; |
michael@0 | 57 | }; |
michael@0 | 58 | |
michael@0 | 59 | /* |
michael@0 | 60 | * font face backend |
michael@0 | 61 | */ |
michael@0 | 62 | |
michael@0 | 63 | static cairo_status_t |
michael@0 | 64 | _cairo_quartz_font_face_create_for_toy (cairo_toy_font_face_t *toy_face, |
michael@0 | 65 | @@ -229,16 +236,20 @@ static cairo_status_t |
michael@0 | 66 | return CAIRO_STATUS_SUCCESS; |
michael@0 | 67 | } |
michael@0 | 68 | |
michael@0 | 69 | static void |
michael@0 | 70 | _cairo_quartz_font_face_destroy (void *abstract_face) |
michael@0 | 71 | { |
michael@0 | 72 | cairo_quartz_font_face_t *font_face = (cairo_quartz_font_face_t*) abstract_face; |
michael@0 | 73 | |
michael@0 | 74 | + if (font_face->ctFont) { |
michael@0 | 75 | + CFRelease (font_face->ctFont); |
michael@0 | 76 | + } |
michael@0 | 77 | + |
michael@0 | 78 | CGFontRelease (font_face->cgFont); |
michael@0 | 79 | } |
michael@0 | 80 | |
michael@0 | 81 | static const cairo_scaled_font_backend_t _cairo_quartz_scaled_font_backend; |
michael@0 | 82 | |
michael@0 | 83 | static cairo_status_t |
michael@0 | 84 | _cairo_quartz_font_face_scaled_font_create (void *abstract_face, |
michael@0 | 85 | const cairo_matrix_t *font_matrix, |
michael@0 | 86 | @@ -353,16 +364,22 @@ cairo_quartz_font_face_create_for_cgfont |
michael@0 | 87 | if (!font_face) { |
michael@0 | 88 | cairo_status_t ignore_status; |
michael@0 | 89 | ignore_status = _cairo_error (CAIRO_STATUS_NO_MEMORY); |
michael@0 | 90 | return (cairo_font_face_t *)&_cairo_font_face_nil; |
michael@0 | 91 | } |
michael@0 | 92 | |
michael@0 | 93 | font_face->cgFont = CGFontRetain (font); |
michael@0 | 94 | |
michael@0 | 95 | + if (CTFontCreateWithGraphicsFontPtr) { |
michael@0 | 96 | + font_face->ctFont = CTFontCreateWithGraphicsFontPtr (font, 1.0, NULL, NULL); |
michael@0 | 97 | + } else { |
michael@0 | 98 | + font_face->ctFont = NULL; |
michael@0 | 99 | + } |
michael@0 | 100 | + |
michael@0 | 101 | _cairo_font_face_init (&font_face->base, &_cairo_quartz_font_face_backend); |
michael@0 | 102 | |
michael@0 | 103 | return &font_face->base; |
michael@0 | 104 | } |
michael@0 | 105 | |
michael@0 | 106 | /* |
michael@0 | 107 | * scaled font backend |
michael@0 | 108 | */ |
michael@0 | 109 | @@ -772,16 +789,24 @@ static const cairo_scaled_font_backend_t |
michael@0 | 110 | CGFontRef |
michael@0 | 111 | _cairo_quartz_scaled_font_get_cg_font_ref (cairo_scaled_font_t *abstract_font) |
michael@0 | 112 | { |
michael@0 | 113 | cairo_quartz_font_face_t *ffont = _cairo_quartz_scaled_to_face(abstract_font); |
michael@0 | 114 | |
michael@0 | 115 | return ffont->cgFont; |
michael@0 | 116 | } |
michael@0 | 117 | |
michael@0 | 118 | +CTFontRef |
michael@0 | 119 | +_cairo_quartz_scaled_font_get_ct_font_ref (cairo_scaled_font_t *abstract_font) |
michael@0 | 120 | +{ |
michael@0 | 121 | + cairo_quartz_font_face_t *ffont = _cairo_quartz_scaled_to_face(abstract_font); |
michael@0 | 122 | + |
michael@0 | 123 | + return ffont->ctFont; |
michael@0 | 124 | +} |
michael@0 | 125 | + |
michael@0 | 126 | #ifndef __LP64__ |
michael@0 | 127 | /* |
michael@0 | 128 | * compat with old ATSUI backend |
michael@0 | 129 | */ |
michael@0 | 130 | |
michael@0 | 131 | /** |
michael@0 | 132 | * cairo_quartz_font_face_create_for_atsu_font_id |
michael@0 | 133 | * @font_id: an ATSUFontID for the font. |
michael@0 | 134 | diff --git a/gfx/cairo/cairo/src/cairo-quartz-private.h b/gfx/cairo/cairo/src/cairo-quartz-private.h |
michael@0 | 135 | --- a/gfx/cairo/cairo/src/cairo-quartz-private.h |
michael@0 | 136 | +++ b/gfx/cairo/cairo/src/cairo-quartz-private.h |
michael@0 | 137 | @@ -45,16 +45,19 @@ |
michael@0 | 138 | #include "cairo-surface-clipper-private.h" |
michael@0 | 139 | |
michael@0 | 140 | #ifdef CGFLOAT_DEFINED |
michael@0 | 141 | typedef CGFloat cairo_quartz_float_t; |
michael@0 | 142 | #else |
michael@0 | 143 | typedef float cairo_quartz_float_t; |
michael@0 | 144 | #endif |
michael@0 | 145 | |
michael@0 | 146 | +/* define CTFontRef for pre-10.5 SDKs */ |
michael@0 | 147 | +typedef const struct __CTFont *CTFontRef; |
michael@0 | 148 | + |
michael@0 | 149 | typedef struct cairo_quartz_surface { |
michael@0 | 150 | cairo_surface_t base; |
michael@0 | 151 | |
michael@0 | 152 | CGContextRef cgContext; |
michael@0 | 153 | CGAffineTransform cgContextBaseCTM; |
michael@0 | 154 | |
michael@0 | 155 | void *imageData; |
michael@0 | 156 | cairo_surface_t *imageSurfaceEquiv; |
michael@0 | 157 | @@ -99,15 +102,18 @@ CGImageRef |
michael@0 | 158 | cairo_bool_t interpolate, |
michael@0 | 159 | CGColorSpaceRef colorSpaceOverride, |
michael@0 | 160 | CGDataProviderReleaseDataCallback releaseCallback, |
michael@0 | 161 | void *releaseInfo); |
michael@0 | 162 | |
michael@0 | 163 | CGFontRef |
michael@0 | 164 | _cairo_quartz_scaled_font_get_cg_font_ref (cairo_scaled_font_t *sfont); |
michael@0 | 165 | |
michael@0 | 166 | +CTFontRef |
michael@0 | 167 | +_cairo_quartz_scaled_font_get_ct_font_ref (cairo_scaled_font_t *sfont); |
michael@0 | 168 | + |
michael@0 | 169 | #else |
michael@0 | 170 | |
michael@0 | 171 | # error Cairo was not compiled with support for the quartz backend |
michael@0 | 172 | |
michael@0 | 173 | #endif /* CAIRO_HAS_QUARTZ_SURFACE */ |
michael@0 | 174 | |
michael@0 | 175 | #endif /* CAIRO_QUARTZ_PRIVATE_H */ |
michael@0 | 176 | diff --git a/gfx/cairo/cairo/src/cairo-quartz-surface.c b/gfx/cairo/cairo/src/cairo-quartz-surface.c |
michael@0 | 177 | --- a/gfx/cairo/cairo/src/cairo-quartz-surface.c |
michael@0 | 178 | +++ b/gfx/cairo/cairo/src/cairo-quartz-surface.c |
michael@0 | 179 | @@ -130,16 +130,19 @@ static void (*CGContextClipToMaskPtr) (C |
michael@0 | 180 | static void (*CGContextDrawTiledImagePtr) (CGContextRef, CGRect, CGImageRef) = NULL; |
michael@0 | 181 | static unsigned int (*CGContextGetTypePtr) (CGContextRef) = NULL; |
michael@0 | 182 | static void (*CGContextSetShouldAntialiasFontsPtr) (CGContextRef, bool) = NULL; |
michael@0 | 183 | static void (*CGContextSetAllowsFontSmoothingPtr) (CGContextRef, bool) = NULL; |
michael@0 | 184 | static bool (*CGContextGetAllowsFontSmoothingPtr) (CGContextRef) = NULL; |
michael@0 | 185 | static CGPathRef (*CGContextCopyPathPtr) (CGContextRef) = NULL; |
michael@0 | 186 | static CGFloat (*CGContextGetAlphaPtr) (CGContextRef) = NULL; |
michael@0 | 187 | |
michael@0 | 188 | +/* CTFontDrawGlyphs is not available until 10.7 */ |
michael@0 | 189 | +static void (*CTFontDrawGlyphsPtr) (CTFontRef, const CGGlyph[], const CGPoint[], size_t, CGContextRef) = NULL; |
michael@0 | 190 | + |
michael@0 | 191 | static SInt32 _cairo_quartz_osx_version = 0x0; |
michael@0 | 192 | |
michael@0 | 193 | static cairo_bool_t _cairo_quartz_symbol_lookup_done = FALSE; |
michael@0 | 194 | |
michael@0 | 195 | /* |
michael@0 | 196 | * Utility functions |
michael@0 | 197 | */ |
michael@0 | 198 | |
michael@0 | 199 | @@ -167,16 +170,18 @@ static void quartz_ensure_symbols(void) |
michael@0 | 200 | CGContextDrawTiledImagePtr = dlsym(RTLD_DEFAULT, "CGContextDrawTiledImage"); |
michael@0 | 201 | CGContextGetTypePtr = dlsym(RTLD_DEFAULT, "CGContextGetType"); |
michael@0 | 202 | CGContextSetShouldAntialiasFontsPtr = dlsym(RTLD_DEFAULT, "CGContextSetShouldAntialiasFonts"); |
michael@0 | 203 | CGContextCopyPathPtr = dlsym(RTLD_DEFAULT, "CGContextCopyPath"); |
michael@0 | 204 | CGContextGetAllowsFontSmoothingPtr = dlsym(RTLD_DEFAULT, "CGContextGetAllowsFontSmoothing"); |
michael@0 | 205 | CGContextSetAllowsFontSmoothingPtr = dlsym(RTLD_DEFAULT, "CGContextSetAllowsFontSmoothing"); |
michael@0 | 206 | CGContextGetAlphaPtr = dlsym(RTLD_DEFAULT, "CGContextGetAlpha"); |
michael@0 | 207 | |
michael@0 | 208 | + CTFontDrawGlyphsPtr = dlsym(RTLD_DEFAULT, "CTFontDrawGlyphs"); |
michael@0 | 209 | + |
michael@0 | 210 | if (Gestalt(gestaltSystemVersion, &_cairo_quartz_osx_version) != noErr) { |
michael@0 | 211 | // assume 10.5 |
michael@0 | 212 | _cairo_quartz_osx_version = 0x1050; |
michael@0 | 213 | } |
michael@0 | 214 | |
michael@0 | 215 | _cairo_quartz_symbol_lookup_done = TRUE; |
michael@0 | 216 | } |
michael@0 | 217 | |
michael@0 | 218 | @@ -605,20 +610,23 @@ static inline void |
michael@0 | 219 | dst->d = src->yy; |
michael@0 | 220 | dst->tx = src->x0; |
michael@0 | 221 | dst->ty = src->y0; |
michael@0 | 222 | } |
michael@0 | 223 | |
michael@0 | 224 | typedef struct { |
michael@0 | 225 | bool isClipping; |
michael@0 | 226 | CGGlyph *cg_glyphs; |
michael@0 | 227 | - CGSize *cg_advances; |
michael@0 | 228 | + union { |
michael@0 | 229 | + CGSize *cg_advances; |
michael@0 | 230 | + CGPoint *cg_positions; |
michael@0 | 231 | + } u; |
michael@0 | 232 | size_t nglyphs; |
michael@0 | 233 | CGAffineTransform textTransform; |
michael@0 | 234 | - CGFontRef font; |
michael@0 | 235 | + cairo_scaled_font_t *scaled_font; |
michael@0 | 236 | CGPoint origin; |
michael@0 | 237 | } unbounded_show_glyphs_t; |
michael@0 | 238 | |
michael@0 | 239 | typedef struct { |
michael@0 | 240 | CGPathRef cgPath; |
michael@0 | 241 | cairo_fill_rule_t fill_rule; |
michael@0 | 242 | } unbounded_stroke_fill_t; |
michael@0 | 243 | |
michael@0 | 244 | @@ -686,36 +694,43 @@ static void |
michael@0 | 245 | CGContextBeginPath (cgc); |
michael@0 | 246 | CGContextAddPath (cgc, op->u.stroke_fill.cgPath); |
michael@0 | 247 | |
michael@0 | 248 | if (op->u.stroke_fill.fill_rule == CAIRO_FILL_RULE_WINDING) |
michael@0 | 249 | CGContextFillPath (cgc); |
michael@0 | 250 | else |
michael@0 | 251 | CGContextEOFillPath (cgc); |
michael@0 | 252 | } else if (op->op == UNBOUNDED_SHOW_GLYPHS) { |
michael@0 | 253 | - CGContextSetFont (cgc, op->u.show_glyphs.font); |
michael@0 | 254 | - CGContextSetFontSize (cgc, 1.0); |
michael@0 | 255 | - CGContextSetTextMatrix (cgc, CGAffineTransformIdentity); |
michael@0 | 256 | - CGContextTranslateCTM (cgc, op->u.show_glyphs.origin.x, op->u.show_glyphs.origin.y); |
michael@0 | 257 | - CGContextConcatCTM (cgc, op->u.show_glyphs.textTransform); |
michael@0 | 258 | - |
michael@0 | 259 | if (op->u.show_glyphs.isClipping) { |
michael@0 | 260 | /* Note that the comment in show_glyphs about kCGTextClip |
michael@0 | 261 | * and the text transform still applies here; however, the |
michael@0 | 262 | * cg_advances we have were already transformed, so we |
michael@0 | 263 | * don't have to do anything. */ |
michael@0 | 264 | CGContextSetTextDrawingMode (cgc, kCGTextClip); |
michael@0 | 265 | CGContextSaveGState (cgc); |
michael@0 | 266 | } |
michael@0 | 267 | - |
michael@0 | 268 | - CGContextShowGlyphsWithAdvances (cgc, |
michael@0 | 269 | - op->u.show_glyphs.cg_glyphs, |
michael@0 | 270 | - op->u.show_glyphs.cg_advances, |
michael@0 | 271 | - op->u.show_glyphs.nglyphs); |
michael@0 | 272 | - |
michael@0 | 273 | + CGContextTranslateCTM (cgc, op->u.show_glyphs.origin.x, op->u.show_glyphs.origin.y); |
michael@0 | 274 | + CGContextConcatCTM (cgc, op->u.show_glyphs.textTransform); |
michael@0 | 275 | + if (CTFontDrawGlyphsPtr) { |
michael@0 | 276 | + CTFontDrawGlyphsPtr (_cairo_quartz_scaled_font_get_ct_font_ref (op->u.show_glyphs.scaled_font), |
michael@0 | 277 | + op->u.show_glyphs.cg_glyphs, |
michael@0 | 278 | + op->u.show_glyphs.u.cg_positions, |
michael@0 | 279 | + op->u.show_glyphs.nglyphs, |
michael@0 | 280 | + cgc); |
michael@0 | 281 | + } else { |
michael@0 | 282 | + CGContextSetFont (cgc, _cairo_quartz_scaled_font_get_cg_font_ref (op->u.show_glyphs.scaled_font)); |
michael@0 | 283 | + CGContextSetFontSize (cgc, 1.0); |
michael@0 | 284 | + CGContextSetTextMatrix (cgc, CGAffineTransformIdentity); |
michael@0 | 285 | + |
michael@0 | 286 | + CGContextShowGlyphsWithAdvances (cgc, |
michael@0 | 287 | + op->u.show_glyphs.cg_glyphs, |
michael@0 | 288 | + op->u.show_glyphs.u.cg_advances, |
michael@0 | 289 | + op->u.show_glyphs.nglyphs); |
michael@0 | 290 | + |
michael@0 | 291 | + } |
michael@0 | 292 | if (op->u.show_glyphs.isClipping) { |
michael@0 | 293 | CGContextClearRect (cgc, clipBoxRound); |
michael@0 | 294 | CGContextRestoreGState (cgc); |
michael@0 | 295 | } |
michael@0 | 296 | } else if (op->op == UNBOUNDED_MASK) { |
michael@0 | 297 | CGAffineTransform ctm = CGContextGetCTM (cgc); |
michael@0 | 298 | CGContextSaveGState (cgc); |
michael@0 | 299 | CGContextConcatCTM (cgc, op->u.mask.maskTransform); |
michael@0 | 300 | @@ -2684,16 +2699,19 @@ static cairo_int_status_t |
michael@0 | 301 | cairo_clip_t *clip, |
michael@0 | 302 | int *remaining_glyphs) |
michael@0 | 303 | { |
michael@0 | 304 | CGAffineTransform textTransform, ctm, invTextTransform; |
michael@0 | 305 | #define STATIC_BUF_SIZE 64 |
michael@0 | 306 | CGGlyph glyphs_static[STATIC_BUF_SIZE]; |
michael@0 | 307 | CGSize cg_advances_static[STATIC_BUF_SIZE]; |
michael@0 | 308 | CGGlyph *cg_glyphs = &glyphs_static[0]; |
michael@0 | 309 | + /* We'll use the cg_advances array for either advances or positions, |
michael@0 | 310 | + depending which API we're using to actually draw. The types involved |
michael@0 | 311 | + have the same size, so this is safe. */ |
michael@0 | 312 | CGSize *cg_advances = &cg_advances_static[0]; |
michael@0 | 313 | |
michael@0 | 314 | cairo_rectangle_int_t glyph_extents; |
michael@0 | 315 | cairo_quartz_surface_t *surface = (cairo_quartz_surface_t *) abstract_surface; |
michael@0 | 316 | cairo_int_status_t rv = CAIRO_STATUS_SUCCESS; |
michael@0 | 317 | cairo_quartz_drawing_state_t state; |
michael@0 | 318 | cairo_quartz_float_t xprev, yprev; |
michael@0 | 319 | int i; |
michael@0 | 320 | @@ -2796,41 +2814,62 @@ static cairo_int_status_t |
michael@0 | 321 | invTextTransform = CGAffineTransformMake (scaled_font->scale_inverse.xx, |
michael@0 | 322 | -scaled_font->scale_inverse.yx, |
michael@0 | 323 | scaled_font->scale_inverse.xy, |
michael@0 | 324 | -scaled_font->scale_inverse.yy, |
michael@0 | 325 | 0.0, 0.0); |
michael@0 | 326 | |
michael@0 | 327 | CGContextSetTextMatrix (state.context, CGAffineTransformIdentity); |
michael@0 | 328 | |
michael@0 | 329 | - /* Convert our glyph positions to glyph advances. We need n-1 advances, |
michael@0 | 330 | - * since the advance at index 0 is applied after glyph 0. */ |
michael@0 | 331 | - xprev = glyphs[0].x; |
michael@0 | 332 | - yprev = glyphs[0].y; |
michael@0 | 333 | - |
michael@0 | 334 | - cg_glyphs[0] = glyphs[0].index; |
michael@0 | 335 | - |
michael@0 | 336 | - for (i = 1; i < num_glyphs; i++) { |
michael@0 | 337 | - cairo_quartz_float_t xf = glyphs[i].x; |
michael@0 | 338 | - cairo_quartz_float_t yf = glyphs[i].y; |
michael@0 | 339 | - cg_glyphs[i] = glyphs[i].index; |
michael@0 | 340 | - cg_advances[i - 1] = CGSizeApplyAffineTransform(CGSizeMake (xf - xprev, yf - yprev), invTextTransform); |
michael@0 | 341 | - xprev = xf; |
michael@0 | 342 | - yprev = yf; |
michael@0 | 343 | - } |
michael@0 | 344 | - |
michael@0 | 345 | /* Translate to the first glyph's position before drawing */ |
michael@0 | 346 | ctm = CGContextGetCTM (state.context); |
michael@0 | 347 | CGContextTranslateCTM (state.context, glyphs[0].x, glyphs[0].y); |
michael@0 | 348 | CGContextConcatCTM (state.context, textTransform); |
michael@0 | 349 | |
michael@0 | 350 | - CGContextShowGlyphsWithAdvances (state.context, |
michael@0 | 351 | - cg_glyphs, |
michael@0 | 352 | - cg_advances, |
michael@0 | 353 | - num_glyphs); |
michael@0 | 354 | + if (CTFontDrawGlyphsPtr) { |
michael@0 | 355 | + /* If CTFontDrawGlyphs is available (i.e. OS X 10.7 or later), we want to use |
michael@0 | 356 | + * that in preference to CGContextShowGlyphsWithAdvances so that colored-bitmap |
michael@0 | 357 | + * fonts like Apple Color Emoji will render properly. |
michael@0 | 358 | + * For this, we need to convert our glyph positions to Core Graphics's CGPoint. |
michael@0 | 359 | + * We borrow the cg_advances array, as CGPoint and CGSize are the same size. */ |
michael@0 | 360 | + |
michael@0 | 361 | + CGPoint *cg_positions = (CGPoint*) cg_advances; |
michael@0 | 362 | + cairo_quartz_float_t origin_x = glyphs[0].x; |
michael@0 | 363 | + cairo_quartz_float_t origin_y = glyphs[0].y; |
michael@0 | 364 | + |
michael@0 | 365 | + for (i = 0; i < num_glyphs; i++) { |
michael@0 | 366 | + CGPoint pt = CGPointMake (glyphs[i].x - origin_x, glyphs[i].y - origin_y); |
michael@0 | 367 | + cg_positions[i] = CGPointApplyAffineTransform (pt, invTextTransform); |
michael@0 | 368 | + cg_glyphs[i] = glyphs[i].index; |
michael@0 | 369 | + } |
michael@0 | 370 | + |
michael@0 | 371 | + CTFontDrawGlyphsPtr (_cairo_quartz_scaled_font_get_ct_font_ref (scaled_font), |
michael@0 | 372 | + cg_glyphs, cg_positions, num_glyphs, state.context); |
michael@0 | 373 | + } else { |
michael@0 | 374 | + /* Convert our glyph positions to glyph advances. We need n-1 advances, |
michael@0 | 375 | + * since the advance at index 0 is applied after glyph 0. */ |
michael@0 | 376 | + xprev = glyphs[0].x; |
michael@0 | 377 | + yprev = glyphs[0].y; |
michael@0 | 378 | + |
michael@0 | 379 | + cg_glyphs[0] = glyphs[0].index; |
michael@0 | 380 | + |
michael@0 | 381 | + for (i = 1; i < num_glyphs; i++) { |
michael@0 | 382 | + cairo_quartz_float_t xf = glyphs[i].x; |
michael@0 | 383 | + cairo_quartz_float_t yf = glyphs[i].y; |
michael@0 | 384 | + cg_glyphs[i] = glyphs[i].index; |
michael@0 | 385 | + cg_advances[i - 1] = CGSizeApplyAffineTransform(CGSizeMake (xf - xprev, yf - yprev), invTextTransform); |
michael@0 | 386 | + xprev = xf; |
michael@0 | 387 | + yprev = yf; |
michael@0 | 388 | + } |
michael@0 | 389 | + |
michael@0 | 390 | + CGContextShowGlyphsWithAdvances (state.context, |
michael@0 | 391 | + cg_glyphs, |
michael@0 | 392 | + cg_advances, |
michael@0 | 393 | + num_glyphs); |
michael@0 | 394 | + } |
michael@0 | 395 | |
michael@0 | 396 | CGContextSetCTM (state.context, ctm); |
michael@0 | 397 | |
michael@0 | 398 | if (state.action == DO_IMAGE || state.action == DO_TILED_IMAGE || |
michael@0 | 399 | state.action == DO_LAYER) { |
michael@0 | 400 | _cairo_quartz_draw_image (&state, op); |
michael@0 | 401 | } else if (state.action == DO_SHADING) { |
michael@0 | 402 | CGContextConcatCTM (state.context, state.transform); |
michael@0 | 403 | @@ -2847,20 +2886,27 @@ BAIL: |
michael@0 | 404 | cgfref && |
michael@0 | 405 | !_cairo_operator_bounded_by_mask (op)) |
michael@0 | 406 | { |
michael@0 | 407 | unbounded_op_data_t ub; |
michael@0 | 408 | ub.op = UNBOUNDED_SHOW_GLYPHS; |
michael@0 | 409 | |
michael@0 | 410 | ub.u.show_glyphs.isClipping = isClipping; |
michael@0 | 411 | ub.u.show_glyphs.cg_glyphs = cg_glyphs; |
michael@0 | 412 | - ub.u.show_glyphs.cg_advances = cg_advances; |
michael@0 | 413 | + if (CTFontDrawGlyphsPtr) { |
michael@0 | 414 | + /* we're using Core Text API: the cg_advances array was |
michael@0 | 415 | + reused (above) for glyph positions */ |
michael@0 | 416 | + CGPoint *cg_positions = (CGPoint*) cg_advances; |
michael@0 | 417 | + ub.u.show_glyphs.u.cg_positions = cg_positions; |
michael@0 | 418 | + } else { |
michael@0 | 419 | + ub.u.show_glyphs.u.cg_advances = cg_advances; |
michael@0 | 420 | + } |
michael@0 | 421 | ub.u.show_glyphs.nglyphs = num_glyphs; |
michael@0 | 422 | ub.u.show_glyphs.textTransform = textTransform; |
michael@0 | 423 | - ub.u.show_glyphs.font = cgfref; |
michael@0 | 424 | + ub.u.show_glyphs.scaled_font = scaled_font; |
michael@0 | 425 | ub.u.show_glyphs.origin = CGPointMake (glyphs[0].x, glyphs[0].y); |
michael@0 | 426 | |
michael@0 | 427 | _cairo_quartz_fixup_unbounded_operation (surface, &ub, scaled_font->options.antialias); |
michael@0 | 428 | } |
michael@0 | 429 | |
michael@0 | 430 | |
michael@0 | 431 | if (cg_advances != &cg_advances_static[0]) { |
michael@0 | 432 | free (cg_advances); |