skia2/gm/gm.h
reed@google.com 487b5606e2 add width() and height() helpers
git-svn-id: http://skia.googlecode.com/svn/trunk@7511 2bbb7eff-a529-9590-31e7-b0007b416f81
2013-02-01 15:01:24 +00:00

109 lines
3.0 KiB
C++

/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef skiagm_DEFINED
#define skiagm_DEFINED
#include "SkBitmap.h"
#include "SkCanvas.h"
#include "SkDevice.h"
#include "SkPaint.h"
#include "SkSize.h"
#include "SkString.h"
#include "SkTRegistry.h"
#define DEF_GM(code) \
static skiagm::GM* SK_MACRO_APPEND_LINE(F_)(void* p) { code; } \
static skiagm::GMRegistry SK_MACRO_APPEND_LINE(R_)(SK_MACRO_APPEND_LINE(F_));
namespace skiagm {
static inline SkISize make_isize(int w, int h) {
SkISize sz;
sz.set(w, h);
return sz;
}
class GM {
public:
GM();
virtual ~GM();
enum Flags {
kSkipPDF_Flag = 1 << 0,
kSkipPicture_Flag = 1 << 1,
kSkipPipe_Flag = 1 << 2,
kSkipTiled_Flag = 1 << 3,
kSkip565_Flag = 1 << 4,
kSkipScaledReplay_Flag = 1 << 5,
};
void draw(SkCanvas*);
void drawBackground(SkCanvas*);
void drawContent(SkCanvas*);
SkISize getISize() { return this->onISize(); }
const char* shortName();
uint32_t getFlags() const {
return this->onGetFlags();
}
SkScalar width() {
return SkIntToScalar(this->getISize().width());
}
SkScalar height() {
return SkIntToScalar(this->getISize().width());
}
// TODO(vandebo) Instead of exposing this, we should run all the GMs
// with and without an initial transform.
// Most GMs will return the identity matrix, but some PDFs tests
// require setting the initial transform.
SkMatrix getInitialTransform() const {
return this->onGetInitialTransform();
}
SkColor getBGColor() const { return fBGColor; }
void setBGColor(SkColor);
// helper: fill a rect in the specified color based on the
// GM's getISize bounds.
void drawSizeBounds(SkCanvas*, SkColor);
static void SetResourcePath(const char* resourcePath) {
gResourcePath = resourcePath;
}
bool isCanvasDeferred() const { return fCanvasIsDeferred; }
void setCanvasIsDeferred(bool isDeferred) {
fCanvasIsDeferred = isDeferred;
}
protected:
static SkString gResourcePath;
virtual void onOnceBeforeDraw() {}
virtual void onDraw(SkCanvas*) = 0;
virtual void onDrawBackground(SkCanvas*);
virtual SkISize onISize() = 0;
virtual SkString onShortName() = 0;
virtual uint32_t onGetFlags() const { return 0; }
virtual SkMatrix onGetInitialTransform() const { return SkMatrix::I(); }
private:
SkString fShortName;
SkColor fBGColor;
bool fCanvasIsDeferred; // work-around problem in srcmode.cpp
bool fHaveCalledOnceBeforeDraw;
};
typedef SkTRegistry<GM*, void*> GMRegistry;
}
#endif