0e354aacd8
We haven't been testing this for nearly two years. R=reed@google.com Review URL: https://codereview.appspot.com/6640044 git-svn-id: http://skia.googlecode.com/svn/trunk@5857 2bbb7eff-a529-9590-31e7-b0007b416f81
128 lines
4.6 KiB
C++
128 lines
4.6 KiB
C++
|
|
/*
|
|
* Copyright 2006 The Android Open Source Project
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
|
|
#ifndef SkDraw_DEFINED
|
|
#define SkDraw_DEFINED
|
|
|
|
#include "SkBitmap.h"
|
|
#include "SkCanvas.h"
|
|
#include "SkMask.h"
|
|
#include "SkMatrix.h"
|
|
#include "SkPaint.h"
|
|
#include "SkRect.h"
|
|
#include "SkAutoKern.h"
|
|
|
|
class SkBounder;
|
|
class SkClipStack;
|
|
class SkDevice;
|
|
class SkPath;
|
|
class SkRegion;
|
|
class SkRasterClip;
|
|
struct SkDrawProcs;
|
|
|
|
class SkDraw {
|
|
public:
|
|
SkDraw();
|
|
SkDraw(const SkDraw& src);
|
|
|
|
void drawPaint(const SkPaint&) const;
|
|
void drawPoints(SkCanvas::PointMode, size_t count, const SkPoint[],
|
|
const SkPaint&, bool forceUseDevice = false) const;
|
|
void drawRect(const SkRect&, const SkPaint&) const;
|
|
/**
|
|
* To save on mallocs, we allow a flag that tells us that srcPath is
|
|
* mutable, so that we don't have to make copies of it as we transform it.
|
|
*
|
|
* If prePathMatrix is not null, it should logically be applied before any
|
|
* stroking or other effects. If there are no effects on the paint that
|
|
* affect the geometry/rasterization, then the pre matrix can just be
|
|
* pre-concated with the current matrix.
|
|
*/
|
|
void drawPath(const SkPath& srcPath, const SkPaint&,
|
|
const SkMatrix* prePathMatrix, bool pathIsMutable) const;
|
|
void drawBitmap(const SkBitmap&, const SkMatrix&, const SkPaint&) const;
|
|
void drawSprite(const SkBitmap&, int x, int y, const SkPaint&) const;
|
|
void drawText(const char text[], size_t byteLength, SkScalar x,
|
|
SkScalar y, const SkPaint& paint) const;
|
|
void drawPosText(const char text[], size_t byteLength,
|
|
const SkScalar pos[], SkScalar constY,
|
|
int scalarsPerPosition, const SkPaint& paint) const;
|
|
void drawTextOnPath(const char text[], size_t byteLength,
|
|
const SkPath&, const SkMatrix*, const SkPaint&) const;
|
|
#ifdef SK_BUILD_FOR_ANDROID
|
|
void drawPosTextOnPath(const char text[], size_t byteLength,
|
|
const SkPoint pos[], const SkPaint& paint,
|
|
const SkPath& path, const SkMatrix* matrix) const;
|
|
#endif
|
|
void drawVertices(SkCanvas::VertexMode mode, int count,
|
|
const SkPoint vertices[], const SkPoint textures[],
|
|
const SkColor colors[], SkXfermode* xmode,
|
|
const uint16_t indices[], int ptCount,
|
|
const SkPaint& paint) const;
|
|
|
|
void drawPath(const SkPath& src, const SkPaint& paint) const {
|
|
this->drawPath(src, paint, NULL, false);
|
|
}
|
|
|
|
/** Helper function that creates a mask from a path and an optional maskfilter.
|
|
Note however, that the resulting mask will not have been actually filtered,
|
|
that must be done afterwards (by calling filterMask). The maskfilter is provided
|
|
solely to assist in computing the mask's bounds (if the mode requests that).
|
|
*/
|
|
static bool DrawToMask(const SkPath& devPath, const SkIRect* clipBounds,
|
|
SkMaskFilter* filter, const SkMatrix* filterMatrix,
|
|
SkMask* mask, SkMask::CreateMode mode,
|
|
SkPaint::Style style);
|
|
|
|
enum RectType {
|
|
kHair_RectType,
|
|
kFill_RectType,
|
|
kStroke_RectType,
|
|
kPath_RectType
|
|
};
|
|
|
|
/**
|
|
* Based on the paint's style, strokeWidth, and the matrix, classify how
|
|
* to draw the rect. If no special-case is available, returns
|
|
* kPath_RectType.
|
|
*
|
|
* Iff RectType == kStroke_RectType, then strokeSize is set to the device
|
|
* width and height of the stroke.
|
|
*/
|
|
static RectType ComputeRectType(const SkPaint&, const SkMatrix&,
|
|
SkPoint* strokeSize);
|
|
|
|
private:
|
|
void drawText_asPaths(const char text[], size_t byteLength,
|
|
SkScalar x, SkScalar y, const SkPaint&) const;
|
|
void drawDevMask(const SkMask& mask, const SkPaint&) const;
|
|
void drawBitmapAsMask(const SkBitmap&, const SkPaint&) const;
|
|
|
|
public:
|
|
const SkBitmap* fBitmap; // required
|
|
const SkMatrix* fMatrix; // required
|
|
const SkRegion* fClip; // DEPRECATED
|
|
const SkRasterClip* fRC; // required
|
|
|
|
const SkClipStack* fClipStack; // optional
|
|
SkDevice* fDevice; // optional
|
|
SkBounder* fBounder; // optional
|
|
SkDrawProcs* fProcs; // optional
|
|
|
|
#ifdef SK_DEBUG
|
|
void validate() const;
|
|
#else
|
|
void validate() const {}
|
|
#endif
|
|
};
|
|
|
|
#endif
|
|
|
|
|