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| 1 /* | 1 /* |
| 2 * Copyright 2010 Google Inc. | 2 * Copyright 2010 Google Inc. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 #ifndef GrContext_DEFINED | 8 #ifndef GrContext_DEFINED |
| 9 #define GrContext_DEFINED | 9 #define GrContext_DEFINED |
| 10 | 10 |
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| 25 class GrEffect; | 25 class GrEffect; |
| 26 class GrFontCache; | 26 class GrFontCache; |
| 27 class GrGpu; | 27 class GrGpu; |
| 28 class GrIndexBuffer; | 28 class GrIndexBuffer; |
| 29 class GrIndexBufferAllocPool; | 29 class GrIndexBufferAllocPool; |
| 30 class GrInOrderDrawBuffer; | 30 class GrInOrderDrawBuffer; |
| 31 class GrLayerCache; | 31 class GrLayerCache; |
| 32 class GrOvalRenderer; | 32 class GrOvalRenderer; |
| 33 class GrPath; | 33 class GrPath; |
| 34 class GrPathRenderer; | 34 class GrPathRenderer; |
| 35 class GrPaintStyle; |
| 35 class GrResourceEntry; | 36 class GrResourceEntry; |
| 36 class GrResourceCache; | 37 class GrResourceCache; |
| 37 class GrStencilBuffer; | 38 class GrStencilBuffer; |
| 38 class GrTestTarget; | 39 class GrTestTarget; |
| 39 class GrTextureParams; | 40 class GrTextureParams; |
| 40 class GrVertexBuffer; | 41 class GrVertexBuffer; |
| 41 class GrVertexBufferAllocPool; | 42 class GrVertexBufferAllocPool; |
| 42 class GrSoftwarePathRenderer; | 43 class GrSoftwarePathRenderer; |
| 43 class SkStrokeRec; | 44 class SkStrokeRec; |
| 44 | 45 |
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| 456 * If stroke == NULL, then the rect is filled. | 457 * If stroke == NULL, then the rect is filled. |
| 457 * Otherwise, if stroke width == 0, then the stroke | 458 * Otherwise, if stroke width == 0, then the stroke |
| 458 * is always a single pixel thick, else the rect is | 459 * is always a single pixel thick, else the rect is |
| 459 * mitered/beveled stroked based on stroke width. | 460 * mitered/beveled stroked based on stroke width. |
| 460 * @param matrix Optional matrix applied to the rect. Applied before | 461 * @param matrix Optional matrix applied to the rect. Applied before |
| 461 * context's matrix or the paint's matrix. | 462 * context's matrix or the paint's matrix. |
| 462 * The rects coords are used to access the paint (through texture matrix) | 463 * The rects coords are used to access the paint (through texture matrix) |
| 463 */ | 464 */ |
| 464 void drawRect(const GrPaint& paint, | 465 void drawRect(const GrPaint& paint, |
| 465 const SkRect&, | 466 const SkRect&, |
| 466 const SkStrokeRec* stroke = NULL, | 467 const GrPaintStyle* style = NULL, |
| 467 const SkMatrix* matrix = NULL); | 468 const SkMatrix* matrix = NULL); |
| 468 | 469 |
| 469 /** | 470 /** |
| 470 * Maps a rect of local coordinates onto the a rect of destination | 471 * Maps a rect of local coordinates onto the a rect of destination |
| 471 * coordinates. Each rect can optionally be transformed. The localRect | 472 * coordinates. Each rect can optionally be transformed. The localRect |
| 472 * is stretched over the dstRect. The dstRect is transformed by the | 473 * is stretched over the dstRect. The dstRect is transformed by the |
| 473 * context's matrix. Additional optional matrices for both rects can be | 474 * context's matrix. Additional optional matrices for both rects can be |
| 474 * provided by parameters. | 475 * provided by parameters. |
| 475 * | 476 * |
| 476 * @param paint describes how to color pixels. | 477 * @param paint describes how to color pixels. |
| 477 * @param dstRect the destination rect to draw. | 478 * @param dstRect the destination rect to draw. |
| 478 * @param localRect rect of local coordinates to be mapped onto dstRect | 479 * @param localRect rect of local coordinates to be mapped onto dstRect |
| 479 * @param dstMatrix Optional matrix to transform dstRect. Applied before
context's matrix. | 480 * @param dstMatrix Optional matrix to transform dstRect. Applied before
context's matrix. |
| 480 * @param localMatrix Optional matrix to transform localRect. | 481 * @param localMatrix Optional matrix to transform localRect. |
| 481 */ | 482 */ |
| 482 void drawRectToRect(const GrPaint& paint, | 483 void drawRectToRect(const GrPaint& paint, |
| 483 const SkRect& dstRect, | 484 const SkRect& dstRect, |
| 484 const SkRect& localRect, | 485 const SkRect& localRect, |
| 485 const SkMatrix* dstMatrix = NULL, | 486 const SkMatrix* dstMatrix = NULL, |
| 486 const SkMatrix* localMatrix = NULL); | 487 const SkMatrix* localMatrix = NULL); |
| 487 | 488 |
| 488 /** | 489 /** |
| 489 * Draw a roundrect using a paint. | 490 * Draw a roundrect using a paint. |
| 490 * | 491 * |
| 491 * @param paint describes how to color pixels. | 492 * @param paint describes how to color pixels. |
| 492 * @param rrect the roundrect to draw | 493 * @param rrect the roundrect to draw |
| 493 * @param stroke the stroke information (width, join, cap) | 494 * @param stroke the stroke information (width, join, cap) |
| 494 */ | 495 */ |
| 495 void drawRRect(const GrPaint& paint, const SkRRect& rrect, const SkStrokeRec
& stroke); | 496 void drawRRect(const GrPaint& paint, const SkRRect& rrect, const GrPaintStyl
e& style); |
| 496 | 497 |
| 497 /** | 498 /** |
| 498 * Shortcut for drawing an SkPath consisting of nested rrects using a paint
. | 499 * Shortcut for drawing an SkPath consisting of nested rrects using a paint
. |
| 499 * Does not support stroking. The result is undefined if outer does not con
tain | 500 * Does not support stroking. The result is undefined if outer does not con
tain |
| 500 * inner. | 501 * inner. |
| 501 * | 502 * |
| 502 * @param paint describes how to color pixels. | 503 * @param paint describes how to color pixels. |
| 503 * @param outer the outer roundrect | 504 * @param outer the outer roundrect |
| 504 * @param inner the inner roundrect | 505 * @param inner the inner roundrect |
| 505 */ | 506 */ |
| 506 void drawDRRect(const GrPaint& paint, const SkRRect& outer, const SkRRect& i
nner); | 507 void drawDRRect(const GrPaint& paint, const SkRRect& outer, const SkRRect& i
nner); |
| 507 | 508 |
| 508 | 509 |
| 509 /** | 510 /** |
| 510 * Draws a path. | 511 * Draws a path. |
| 511 * | 512 * |
| 512 * @param paint describes how to color pixels. | 513 * @param paint describes how to color pixels. |
| 513 * @param path the path to draw | 514 * @param path the path to draw |
| 514 * @param stroke the stroke information (width, join, cap) | 515 * @param stroke the stroke information (width, join, cap) |
| 515 */ | 516 */ |
| 516 void drawPath(const GrPaint& paint, const SkPath& path, const SkStrokeRec& s
troke); | 517 void drawPath(const GrPaint& paint, const SkPath& path, const GrPaintStyle&
style); |
| 517 | 518 |
| 518 /** | 519 /** |
| 519 * Draws vertices with a paint. | 520 * Draws vertices with a paint. |
| 520 * | 521 * |
| 521 * @param paint describes how to color pixels. | 522 * @param paint describes how to color pixels. |
| 522 * @param primitiveType primitives type to draw. | 523 * @param primitiveType primitives type to draw. |
| 523 * @param vertexCount number of vertices. | 524 * @param vertexCount number of vertices. |
| 524 * @param positions array of vertex positions, required. | 525 * @param positions array of vertex positions, required. |
| 525 * @param texCoords optional array of texture coordinates used | 526 * @param texCoords optional array of texture coordinates used |
| 526 * to access the paint. | 527 * to access the paint. |
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| 542 | 543 |
| 543 /** | 544 /** |
| 544 * Draws an oval. | 545 * Draws an oval. |
| 545 * | 546 * |
| 546 * @param paint describes how to color pixels. | 547 * @param paint describes how to color pixels. |
| 547 * @param oval the bounding rect of the oval. | 548 * @param oval the bounding rect of the oval. |
| 548 * @param stroke the stroke information (width, style) | 549 * @param stroke the stroke information (width, style) |
| 549 */ | 550 */ |
| 550 void drawOval(const GrPaint& paint, | 551 void drawOval(const GrPaint& paint, |
| 551 const SkRect& oval, | 552 const SkRect& oval, |
| 552 const SkStrokeRec& stroke); | 553 const GrPaintStyle& style); |
| 553 | 554 |
| 554 /////////////////////////////////////////////////////////////////////////// | 555 /////////////////////////////////////////////////////////////////////////// |
| 555 // Misc. | 556 // Misc. |
| 556 | 557 |
| 557 /** | 558 /** |
| 558 * Flags that affect flush() behavior. | 559 * Flags that affect flush() behavior. |
| 559 */ | 560 */ |
| 560 enum FlushBits { | 561 enum FlushBits { |
| 561 /** | 562 /** |
| 562 * A client may reach a point where it has partially rendered a frame | 563 * A client may reach a point where it has partially rendered a frame |
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| 1122 } | 1123 } |
| 1123 | 1124 |
| 1124 GrTexture* texture() { return fTexture; } | 1125 GrTexture* texture() { return fTexture; } |
| 1125 | 1126 |
| 1126 private: | 1127 private: |
| 1127 GrContext* fContext; | 1128 GrContext* fContext; |
| 1128 GrTexture* fTexture; | 1129 GrTexture* fTexture; |
| 1129 }; | 1130 }; |
| 1130 | 1131 |
| 1131 #endif | 1132 #endif |
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