ToolUtils::PixelIter Class Reference

#include <ToolUtils.h>

Public Member Functions
	PixelIter ()
	PixelIter (SkSurface *surf)
void	reset (const SkPixmap &pm)
void *	next (SkIPoint *loc=nullptr)
void	setDone ()

Detailed Description

Definition at line 270 of file ToolUtils.h.

Constructor & Destructor Documentation

PixelIter() [1/2]

ToolUtils::PixelIter::PixelIter

(

)

PixelIter() [2/2]

ToolUtils::PixelIter::PixelIter ( SkSurface *  surf )

inline

Definition at line 273 of file ToolUtils.h.

                               {
        SkPixmap pm;
        if (!surf->peekPixels(&pm)) {
            pm.reset();
        }
        this->reset(pm);
    }

Member Function Documentation

next()

void * ToolUtils::PixelIter::next ( SkIPoint *  loc = nullptr )

inline

Definition at line 286 of file ToolUtils.h.

                                        {
        if (!fPM.addr()) {
            return nullptr;
        }
        fLoc.fX += 1;
        if (fLoc.fX >= fPM.width()) {
            fLoc.fX = 0;
            if (++fLoc.fY >= fPM.height()) {
                this->setDone();
                return nullptr;
            }
        }
        if (loc) {
            *loc = fLoc;
        }
        return fPM.writable_addr(fLoc.fX, fLoc.fY);
    }

reset()

void ToolUtils::PixelIter::reset ( const SkPixmap &  pm )

inline

Definition at line 281 of file ToolUtils.h.

                                   {
        fPM  = pm;
        fLoc = {-1, 0};
    }

setDone()

void ToolUtils::PixelIter::setDone ( )

inline

Definition at line 304 of file ToolUtils.h.

{ fPM.reset(); }

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The documentation for this class was generated from the following file:

• third_party/skia/tools/ToolUtils.h