1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "ui/gfx/canvas.h" 6 7 #include <cmath> 8 #include <limits> 9 10 #include "base/i18n/rtl.h" 11 #include "base/logging.h" 12 #include "third_party/skia/include/core/SkBitmap.h" 13 #include "third_party/skia/include/effects/SkGradientShader.h" 14 #include "ui/gfx/canvas.h" 15 #include "ui/gfx/font_list.h" 16 #include "ui/gfx/rect.h" 17 #include "ui/gfx/size_conversions.h" 18 #include "ui/gfx/skia_util.h" 19 #include "ui/gfx/transform.h" 20 21 #if defined(OS_WIN) 22 #include "ui/gfx/canvas_skia_paint.h" 23 #endif 24 25 namespace gfx { 26 27 Canvas::Canvas(const Size& size, float image_scale, bool is_opaque) 28 : image_scale_(image_scale), 29 canvas_(NULL) { 30 Size pixel_size = ToCeiledSize(ScaleSize(size, image_scale)); 31 owned_canvas_ = skia::AdoptRef(skia::CreatePlatformCanvas(pixel_size.width(), 32 pixel_size.height(), 33 is_opaque)); 34 canvas_ = owned_canvas_.get(); 35 #if defined(OS_WIN) || defined(OS_MACOSX) 36 // skia::PlatformCanvas instances are initialized to 0 by Cairo on Linux, but 37 // uninitialized on Win and Mac. 38 if (!is_opaque) 39 owned_canvas_->clear(SkColorSetARGB(0, 0, 0, 0)); 40 #endif 41 42 SkScalar scale_scalar = SkFloatToScalar(image_scale); 43 canvas_->scale(scale_scalar, scale_scalar); 44 } 45 46 Canvas::Canvas(const ImageSkiaRep& image_rep, bool is_opaque) 47 : image_scale_(image_rep.scale()), 48 owned_canvas_(skia::AdoptRef( 49 skia::CreatePlatformCanvas(image_rep.pixel_width(), 50 image_rep.pixel_height(), 51 is_opaque))), 52 canvas_(owned_canvas_.get()) { 53 SkScalar scale_scalar = SkFloatToScalar(image_scale_); 54 canvas_->scale(scale_scalar, scale_scalar); 55 DrawImageInt(ImageSkia(image_rep), 0, 0); 56 } 57 58 Canvas::Canvas() 59 : image_scale_(1.0), 60 owned_canvas_(skia::AdoptRef(skia::CreatePlatformCanvas(0, 0, false))), 61 canvas_(owned_canvas_.get()) { 62 } 63 64 Canvas::~Canvas() { 65 } 66 67 // static 68 Canvas* Canvas::CreateCanvasWithoutScaling(SkCanvas* canvas, 69 float image_scale) { 70 return new Canvas(canvas, image_scale); 71 } 72 73 void Canvas::RecreateBackingCanvas(const Size& size, 74 float image_scale, 75 bool is_opaque) { 76 image_scale_ = image_scale; 77 Size pixel_size = ToFlooredSize(ScaleSize(size, image_scale)); 78 owned_canvas_ = skia::AdoptRef(skia::CreatePlatformCanvas(pixel_size.width(), 79 pixel_size.height(), 80 is_opaque)); 81 canvas_ = owned_canvas_.get(); 82 SkScalar scale_scalar = SkFloatToScalar(image_scale); 83 canvas_->scale(scale_scalar, scale_scalar); 84 } 85 86 // static 87 void Canvas::SizeStringInt(const base::string16& text, 88 const FontList& font_list, 89 int* width, 90 int* height, 91 int line_height, 92 int flags) { 93 float fractional_width = *width; 94 float factional_height = *height; 95 SizeStringFloat(text, font_list, &fractional_width, 96 &factional_height, line_height, flags); 97 *width = std::ceil(fractional_width); 98 *height = std::ceil(factional_height); 99 } 100 101 // static 102 void Canvas::SizeStringInt(const base::string16& text, 103 const Font& font, 104 int* width, 105 int* height, 106 int line_height, 107 int flags) { 108 SizeStringInt(text, FontList(font), width, height, line_height, flags); 109 } 110 111 // static 112 int Canvas::GetStringWidth(const base::string16& text, 113 const FontList& font_list) { 114 int width = 0, height = 0; 115 SizeStringInt(text, font_list, &width, &height, 0, NO_ELLIPSIS); 116 return width; 117 } 118 119 // static 120 float Canvas::GetStringWidthF(const base::string16& text, 121 const FontList& font_list) { 122 float width = 0, height = 0; 123 SizeStringFloat(text, font_list, &width, &height, 0, NO_ELLIPSIS); 124 return width; 125 } 126 127 // static 128 int Canvas::GetStringWidth(const base::string16& text, const Font& font) { 129 int width = 0, height = 0; 130 SizeStringInt(text, FontList(font), &width, &height, 0, NO_ELLIPSIS); 131 return width; 132 } 133 134 // static 135 int Canvas::DefaultCanvasTextAlignment() { 136 return base::i18n::IsRTL() ? TEXT_ALIGN_RIGHT : TEXT_ALIGN_LEFT; 137 } 138 139 void Canvas::DrawStringWithHalo(const base::string16& text, 140 const Font& font, 141 SkColor text_color, 142 SkColor halo_color_in, 143 int x, 144 int y, 145 int w, 146 int h, 147 int flags) { 148 DrawStringRectWithHalo(text, FontList(font), text_color, halo_color_in, 149 Rect(x, y, w, h), flags); 150 } 151 152 ImageSkiaRep Canvas::ExtractImageRep() const { 153 const SkBitmap& device_bitmap = canvas_->getDevice()->accessBitmap(false); 154 155 // Make a bitmap to return, and a canvas to draw into it. We don't just want 156 // to call extractSubset or the copy constructor, since we want an actual copy 157 // of the bitmap. 158 SkBitmap result; 159 device_bitmap.copyTo(&result, SkBitmap::kARGB_8888_Config); 160 161 return ImageSkiaRep(result, image_scale_); 162 } 163 164 void Canvas::DrawDashedRect(const Rect& rect, SkColor color) { 165 // Create a 2D bitmap containing alternating on/off pixels - we do this 166 // so that you never get two pixels of the same color around the edges 167 // of the focus rect (this may mean that opposing edges of the rect may 168 // have a dot pattern out of phase to each other). 169 static SkColor last_color; 170 static SkBitmap* dots = NULL; 171 if (!dots || last_color != color) { 172 int col_pixels = 32; 173 int row_pixels = 32; 174 175 delete dots; 176 last_color = color; 177 dots = new SkBitmap; 178 dots->setConfig(SkBitmap::kARGB_8888_Config, col_pixels, row_pixels); 179 dots->allocPixels(); 180 dots->eraseARGB(0, 0, 0, 0); 181 182 uint32_t* dot = dots->getAddr32(0, 0); 183 for (int i = 0; i < row_pixels; i++) { 184 for (int u = 0; u < col_pixels; u++) { 185 if ((u % 2 + i % 2) % 2 != 0) { 186 dot[i * row_pixels + u] = color; 187 } 188 } 189 } 190 } 191 192 // Make a shader for the bitmap with an origin of the box we'll draw. This 193 // shader is refcounted and will have an initial refcount of 1. 194 skia::RefPtr<SkShader> shader = skia::AdoptRef( 195 SkShader::CreateBitmapShader( 196 *dots, SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode)); 197 // Assign the shader to the paint & release our reference. The paint will 198 // now own the shader and the shader will be destroyed when the paint goes 199 // out of scope. 200 SkPaint paint; 201 paint.setShader(shader.get()); 202 203 DrawRect(Rect(rect.x(), rect.y(), rect.width(), 1), paint); 204 DrawRect(Rect(rect.x(), rect.y() + rect.height() - 1, rect.width(), 1), 205 paint); 206 DrawRect(Rect(rect.x(), rect.y(), 1, rect.height()), paint); 207 DrawRect(Rect(rect.x() + rect.width() - 1, rect.y(), 1, rect.height()), 208 paint); 209 } 210 211 void Canvas::Save() { 212 canvas_->save(); 213 } 214 215 void Canvas::SaveLayerAlpha(uint8 alpha) { 216 canvas_->saveLayerAlpha(NULL, alpha); 217 } 218 219 220 void Canvas::SaveLayerAlpha(uint8 alpha, const Rect& layer_bounds) { 221 SkRect bounds(RectToSkRect(layer_bounds)); 222 canvas_->saveLayerAlpha(&bounds, alpha); 223 } 224 225 void Canvas::Restore() { 226 canvas_->restore(); 227 } 228 229 bool Canvas::ClipRect(const Rect& rect) { 230 return canvas_->clipRect(RectToSkRect(rect)); 231 } 232 233 bool Canvas::ClipPath(const SkPath& path) { 234 return canvas_->clipPath(path); 235 } 236 237 bool Canvas::GetClipBounds(Rect* bounds) { 238 SkRect out; 239 bool has_non_empty_clip = canvas_->getClipBounds(&out); 240 bounds->SetRect(out.left(), out.top(), out.width(), out.height()); 241 return has_non_empty_clip; 242 } 243 244 void Canvas::Translate(const Vector2d& offset) { 245 canvas_->translate(SkIntToScalar(offset.x()), SkIntToScalar(offset.y())); 246 } 247 248 void Canvas::Scale(int x_scale, int y_scale) { 249 canvas_->scale(SkIntToScalar(x_scale), SkIntToScalar(y_scale)); 250 } 251 252 void Canvas::DrawColor(SkColor color) { 253 DrawColor(color, SkXfermode::kSrcOver_Mode); 254 } 255 256 void Canvas::DrawColor(SkColor color, SkXfermode::Mode mode) { 257 canvas_->drawColor(color, mode); 258 } 259 260 void Canvas::FillRect(const Rect& rect, SkColor color) { 261 FillRect(rect, color, SkXfermode::kSrcOver_Mode); 262 } 263 264 void Canvas::FillRect(const Rect& rect, 265 SkColor color, 266 SkXfermode::Mode mode) { 267 SkPaint paint; 268 paint.setColor(color); 269 paint.setStyle(SkPaint::kFill_Style); 270 paint.setXfermodeMode(mode); 271 DrawRect(rect, paint); 272 } 273 274 void Canvas::DrawRect(const Rect& rect, SkColor color) { 275 DrawRect(rect, color, SkXfermode::kSrcOver_Mode); 276 } 277 278 void Canvas::DrawRect(const Rect& rect, 279 SkColor color, 280 SkXfermode::Mode mode) { 281 SkPaint paint; 282 paint.setColor(color); 283 paint.setStyle(SkPaint::kStroke_Style); 284 // Set a stroke width of 0, which will put us down the stroke rect path. If 285 // we set a stroke width of 1, for example, this will internally create a 286 // path and fill it, which causes problems near the edge of the canvas. 287 paint.setStrokeWidth(SkIntToScalar(0)); 288 paint.setXfermodeMode(mode); 289 290 DrawRect(rect, paint); 291 } 292 293 void Canvas::DrawRect(const Rect& rect, const SkPaint& paint) { 294 canvas_->drawIRect(RectToSkIRect(rect), paint); 295 } 296 297 void Canvas::DrawPoint(const Point& p1, const SkPaint& paint) { 298 canvas_->drawPoint(SkIntToScalar(p1.x()), SkIntToScalar(p1.y()), paint); 299 } 300 301 void Canvas::DrawLine(const Point& p1, const Point& p2, SkColor color) { 302 SkPaint paint; 303 paint.setColor(color); 304 paint.setStrokeWidth(SkIntToScalar(1)); 305 DrawLine(p1, p2, paint); 306 } 307 308 void Canvas::DrawLine(const Point& p1, const Point& p2, const SkPaint& paint) { 309 canvas_->drawLine(SkIntToScalar(p1.x()), SkIntToScalar(p1.y()), 310 SkIntToScalar(p2.x()), SkIntToScalar(p2.y()), paint); 311 } 312 313 void Canvas::DrawCircle(const Point& center_point, 314 int radius, 315 const SkPaint& paint) { 316 canvas_->drawCircle(SkIntToScalar(center_point.x()), 317 SkIntToScalar(center_point.y()), SkIntToScalar(radius), paint); 318 } 319 320 void Canvas::DrawRoundRect(const Rect& rect, 321 int radius, 322 const SkPaint& paint) { 323 canvas_->drawRoundRect(RectToSkRect(rect), SkIntToScalar(radius), 324 SkIntToScalar(radius), paint); 325 } 326 327 void Canvas::DrawPath(const SkPath& path, const SkPaint& paint) { 328 canvas_->drawPath(path, paint); 329 } 330 331 void Canvas::DrawFocusRect(const Rect& rect) { 332 DrawDashedRect(rect, SK_ColorGRAY); 333 } 334 335 void Canvas::DrawSolidFocusRect(const Rect& rect, SkColor color) { 336 SkPaint paint; 337 paint.setColor(color); 338 paint.setStrokeWidth(SkIntToScalar(1)); 339 // Note: We cannot use DrawRect since it would create a path and fill it which 340 // would cause problems near the edge of the canvas. 341 int x1 = std::min(rect.x(), rect.right()); 342 int x2 = std::max(rect.x(), rect.right()); 343 int y1 = std::min(rect.y(), rect.bottom()); 344 int y2 = std::max(rect.y(), rect.bottom()); 345 DrawLine(Point(x1, y1), Point(x2, y1), paint); 346 DrawLine(Point(x1, y2), Point(x2, y2), paint); 347 DrawLine(Point(x1, y1), Point(x1, y2), paint); 348 DrawLine(Point(x2, y1), Point(x2, y2 + 1), paint); 349 } 350 351 void Canvas::DrawImageInt(const ImageSkia& image, int x, int y) { 352 SkPaint paint; 353 DrawImageInt(image, x, y, paint); 354 } 355 356 void Canvas::DrawImageInt(const ImageSkia& image, int x, int y, uint8 a) { 357 SkPaint paint; 358 paint.setAlpha(a); 359 DrawImageInt(image, x, y, paint); 360 } 361 362 void Canvas::DrawImageInt(const ImageSkia& image, 363 int x, 364 int y, 365 const SkPaint& paint) { 366 const ImageSkiaRep& image_rep = GetImageRepToPaint(image); 367 if (image_rep.is_null()) 368 return; 369 const SkBitmap& bitmap = image_rep.sk_bitmap(); 370 float bitmap_scale = image_rep.scale(); 371 372 canvas_->save(); 373 canvas_->scale(SkFloatToScalar(1.0f / bitmap_scale), 374 SkFloatToScalar(1.0f / bitmap_scale)); 375 canvas_->drawBitmap(bitmap, 376 SkFloatToScalar(x * bitmap_scale), 377 SkFloatToScalar(y * bitmap_scale), 378 &paint); 379 canvas_->restore(); 380 } 381 382 void Canvas::DrawImageInt(const ImageSkia& image, 383 int src_x, 384 int src_y, 385 int src_w, 386 int src_h, 387 int dest_x, 388 int dest_y, 389 int dest_w, 390 int dest_h, 391 bool filter) { 392 SkPaint p; 393 DrawImageInt(image, src_x, src_y, src_w, src_h, dest_x, dest_y, 394 dest_w, dest_h, filter, p); 395 } 396 397 void Canvas::DrawImageInt(const ImageSkia& image, 398 int src_x, 399 int src_y, 400 int src_w, 401 int src_h, 402 int dest_x, 403 int dest_y, 404 int dest_w, 405 int dest_h, 406 bool filter, 407 const SkPaint& paint) { 408 DLOG_ASSERT(src_x + src_w < std::numeric_limits<int16_t>::max() && 409 src_y + src_h < std::numeric_limits<int16_t>::max()); 410 if (src_w <= 0 || src_h <= 0) { 411 NOTREACHED() << "Attempting to draw bitmap from an empty rect!"; 412 return; 413 } 414 415 if (!IntersectsClipRectInt(dest_x, dest_y, dest_w, dest_h)) 416 return; 417 418 float user_scale_x = static_cast<float>(dest_w) / src_w; 419 float user_scale_y = static_cast<float>(dest_h) / src_h; 420 421 const ImageSkiaRep& image_rep = GetImageRepToPaint(image, 422 user_scale_x, user_scale_y); 423 if (image_rep.is_null()) 424 return; 425 426 SkRect dest_rect = { SkIntToScalar(dest_x), 427 SkIntToScalar(dest_y), 428 SkIntToScalar(dest_x + dest_w), 429 SkIntToScalar(dest_y + dest_h) }; 430 431 if (src_w == dest_w && src_h == dest_h && 432 user_scale_x == 1.0f && user_scale_y == 1.0f && 433 image_rep.scale() == 1.0f) { 434 // Workaround for apparent bug in Skia that causes image to occasionally 435 // shift. 436 SkIRect src_rect = { src_x, src_y, src_x + src_w, src_y + src_h }; 437 const SkBitmap& bitmap = image_rep.sk_bitmap(); 438 canvas_->drawBitmapRect(bitmap, &src_rect, dest_rect, &paint); 439 return; 440 } 441 442 // Make a bitmap shader that contains the bitmap we want to draw. This is 443 // basically what SkCanvas.drawBitmap does internally, but it gives us 444 // more control over quality and will use the mipmap in the source image if 445 // it has one, whereas drawBitmap won't. 446 SkMatrix shader_scale; 447 shader_scale.setScale(SkFloatToScalar(user_scale_x), 448 SkFloatToScalar(user_scale_y)); 449 shader_scale.preTranslate(SkIntToScalar(-src_x), SkIntToScalar(-src_y)); 450 shader_scale.postTranslate(SkIntToScalar(dest_x), SkIntToScalar(dest_y)); 451 452 skia::RefPtr<SkShader> shader = CreateImageRepShader( 453 image_rep, 454 SkShader::kRepeat_TileMode, 455 shader_scale); 456 457 // Set up our paint to use the shader & release our reference (now just owned 458 // by the paint). 459 SkPaint p(paint); 460 p.setFilterBitmap(filter); 461 p.setShader(shader.get()); 462 463 // The rect will be filled by the bitmap. 464 canvas_->drawRect(dest_rect, p); 465 } 466 467 void Canvas::DrawImageInPath(const ImageSkia& image, 468 int x, 469 int y, 470 const SkPath& path, 471 const SkPaint& paint) { 472 const ImageSkiaRep& image_rep = GetImageRepToPaint(image); 473 if (image_rep.is_null()) 474 return; 475 476 SkMatrix matrix; 477 matrix.setTranslate(SkIntToScalar(x), SkIntToScalar(y)); 478 skia::RefPtr<SkShader> shader = CreateImageRepShader( 479 image_rep, 480 SkShader::kRepeat_TileMode, 481 matrix); 482 483 SkPaint p(paint); 484 p.setShader(shader.get()); 485 canvas_->drawPath(path, p); 486 } 487 488 void Canvas::DrawStringRect(const base::string16& text, 489 const FontList& font_list, 490 SkColor color, 491 const Rect& display_rect) { 492 DrawStringRectWithFlags(text, font_list, color, display_rect, 493 DefaultCanvasTextAlignment()); 494 } 495 496 void Canvas::DrawStringRectWithFlags(const base::string16& text, 497 const FontList& font_list, 498 SkColor color, 499 const Rect& display_rect, 500 int flags) { 501 DrawStringRectWithShadows(text, font_list, color, display_rect, 0, flags, 502 ShadowValues()); 503 } 504 505 void Canvas::DrawStringInt(const base::string16& text, 506 const Font& font, 507 SkColor color, 508 int x, 509 int y, 510 int w, 511 int h) { 512 DrawStringInt(text, font, color, x, y, w, h, DefaultCanvasTextAlignment()); 513 } 514 515 void Canvas::DrawStringInt(const base::string16& text, 516 const Font& font, 517 SkColor color, 518 const Rect& display_rect) { 519 DrawStringInt(text, font, color, display_rect.x(), display_rect.y(), 520 display_rect.width(), display_rect.height()); 521 } 522 523 void Canvas::DrawStringInt(const base::string16& text, 524 const Font& font, 525 SkColor color, 526 int x, 527 int y, 528 int w, 529 int h, 530 int flags) { 531 DrawStringWithShadows(text, font, color, Rect(x, y, w, h), 0, flags, 532 ShadowValues()); 533 } 534 535 void Canvas::DrawStringWithShadows(const base::string16& text, 536 const Font& font, 537 SkColor color, 538 const Rect& text_bounds, 539 int line_height, 540 int flags, 541 const ShadowValues& shadows) { 542 DrawStringRectWithShadows(text, FontList(font), color, text_bounds, 543 line_height, flags, shadows); 544 } 545 546 void Canvas::TileImageInt(const ImageSkia& image, 547 int x, 548 int y, 549 int w, 550 int h) { 551 TileImageInt(image, 0, 0, x, y, w, h); 552 } 553 554 void Canvas::TileImageInt(const ImageSkia& image, 555 int src_x, 556 int src_y, 557 int dest_x, 558 int dest_y, 559 int w, 560 int h) { 561 TileImageInt(image, src_x, src_y, 1.0f, 1.0f, dest_x, dest_y, w, h); 562 } 563 564 void Canvas::TileImageInt(const ImageSkia& image, 565 int src_x, 566 int src_y, 567 float tile_scale_x, 568 float tile_scale_y, 569 int dest_x, 570 int dest_y, 571 int w, 572 int h) { 573 if (!IntersectsClipRectInt(dest_x, dest_y, w, h)) 574 return; 575 576 const ImageSkiaRep& image_rep = GetImageRepToPaint( 577 image, tile_scale_x, tile_scale_y); 578 if (image_rep.is_null()) 579 return; 580 581 SkMatrix shader_scale; 582 shader_scale.setScale(SkFloatToScalar(tile_scale_x), 583 SkFloatToScalar(tile_scale_y)); 584 shader_scale.preTranslate(SkIntToScalar(-src_x), SkIntToScalar(-src_y)); 585 shader_scale.postTranslate(SkIntToScalar(dest_x), SkIntToScalar(dest_y)); 586 587 skia::RefPtr<SkShader> shader = CreateImageRepShader( 588 image_rep, 589 SkShader::kRepeat_TileMode, 590 shader_scale); 591 592 SkPaint paint; 593 paint.setShader(shader.get()); 594 paint.setXfermodeMode(SkXfermode::kSrcOver_Mode); 595 596 SkRect dest_rect = { SkIntToScalar(dest_x), 597 SkIntToScalar(dest_y), 598 SkIntToScalar(dest_x + w), 599 SkIntToScalar(dest_y + h) }; 600 canvas_->drawRect(dest_rect, paint); 601 } 602 603 NativeDrawingContext Canvas::BeginPlatformPaint() { 604 return skia::BeginPlatformPaint(canvas_); 605 } 606 607 void Canvas::EndPlatformPaint() { 608 skia::EndPlatformPaint(canvas_); 609 } 610 611 void Canvas::Transform(const gfx::Transform& transform) { 612 canvas_->concat(transform.matrix()); 613 } 614 615 Canvas::Canvas(SkCanvas* canvas, float image_scale) 616 : image_scale_(image_scale), 617 owned_canvas_(), 618 canvas_(canvas) { 619 DCHECK(canvas); 620 } 621 622 bool Canvas::IntersectsClipRectInt(int x, int y, int w, int h) { 623 SkRect clip; 624 return canvas_->getClipBounds(&clip) && 625 clip.intersect(SkIntToScalar(x), SkIntToScalar(y), SkIntToScalar(x + w), 626 SkIntToScalar(y + h)); 627 } 628 629 bool Canvas::IntersectsClipRect(const Rect& rect) { 630 return IntersectsClipRectInt(rect.x(), rect.y(), 631 rect.width(), rect.height()); 632 } 633 634 const ImageSkiaRep& Canvas::GetImageRepToPaint(const ImageSkia& image) const { 635 return GetImageRepToPaint(image, 1.0f, 1.0f); 636 } 637 638 const ImageSkiaRep& Canvas::GetImageRepToPaint( 639 const ImageSkia& image, 640 float user_additional_scale_x, 641 float user_additional_scale_y) const { 642 const ImageSkiaRep& image_rep = image.GetRepresentation(image_scale_); 643 644 if (!image_rep.is_null()) { 645 SkMatrix m = canvas_->getTotalMatrix(); 646 float scale_x = SkScalarToFloat(SkScalarAbs(m.getScaleX())) * 647 user_additional_scale_x; 648 float scale_y = SkScalarToFloat(SkScalarAbs(m.getScaleY())) * 649 user_additional_scale_y; 650 651 float bitmap_scale = image_rep.scale(); 652 if (scale_x < bitmap_scale || scale_y < bitmap_scale) 653 const_cast<SkBitmap&>(image_rep.sk_bitmap()).buildMipMap(); 654 } 655 656 return image_rep; 657 } 658 659 } // namespace gfx 660