code style, inherit from SampleView

git-svn-id: http://skia.googlecode.com/svn/trunk@1361 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
reed@google.com 2011-05-18 12:17:53 +00:00
parent 09e3baaaf5
commit 9e39bb3603

View File

@ -50,8 +50,7 @@ public:
virtual Factory getFactory() { return Create; }
private:
ReduceNoise(SkFlattenableReadBuffer& rb) : SkKernel33ProcMaskFilter(rb) {}
static SkFlattenable* Create(SkFlattenableReadBuffer& rb)
{
static SkFlattenable* Create(SkFlattenableReadBuffer& rb) {
return new ReduceNoise(rb);
}
};
@ -64,12 +63,9 @@ public:
int c = srcRows[1][1];
float f = c / 255.f;
if (c >= 0)
{
if (c >= 0) {
f = sqrtf(f);
}
else
{
} else {
f *= f;
}
SkASSERT(f >= 0 && f <= 1);
@ -78,33 +74,14 @@ public:
virtual Factory getFactory() { return Create; }
private:
Darken(SkFlattenableReadBuffer& rb) : SkKernel33ProcMaskFilter(rb) {}
static SkFlattenable* Create(SkFlattenableReadBuffer& rb)
{
static SkFlattenable* Create(SkFlattenableReadBuffer& rb) {
return new Darken(rb);
}
};
static SkMaskFilter* makemf() { return new Darken(0x30); }
//#ifdef TEST_CLICKX
static void test_typefaceCache()
{
#ifdef ANDROID
SkTypeface* t0 = SkTypeface::CreateFromName("sans-serif",
SkTypeface::kNormal);
SkTypeface* t1 = SkTypeface::CreateFromName(NULL, SkTypeface::kNormal);
SkTypeface* t2 = SkTypeface::CreateFromName("arial", SkTypeface::kNormal);
SkTypeface* t3 = SkTypeface::CreateFromName("helvetica", SkTypeface::kItalic);
SkASSERT(t0 == t1);
SkASSERT(t0 == t2);
SkASSERT(t0 == t3);
#endif
}
static void test_breakText()
{
static void test_breakText() {
SkPaint paint;
const char* text = "sdfkljAKLDFJKEWkldfjlk#$%&sdfs.dsj";
size_t length = strlen(text);
@ -112,8 +89,7 @@ static void test_breakText()
SkScalar mm = 0;
SkScalar nn = 0;
for (SkScalar w = 0; w <= width; w += SK_Scalar1)
{
for (SkScalar w = 0; w <= width; w += SK_Scalar1) {
SkScalar m;
size_t n = paint.breakText(text, length, w, &m,
SkPaint::kBackward_TextBufferDirection);
@ -121,15 +97,13 @@ static void test_breakText()
SkASSERT(n <= length);
SkASSERT(m <= width);
if (n == 0)
if (n == 0) {
SkASSERT(m == 0);
else
{
} else {
// now assert that we're monotonic
if (n == nn)
if (n == nn) {
SkASSERT(m == mm);
else
{
} else {
SkASSERT(n > nn);
SkASSERT(m > mm);
}
@ -149,14 +123,14 @@ class SkPowerMode : public SkXfermode {
public:
SkPowerMode(SkScalar exponent) { this->init(exponent); }
virtual void xfer16(uint16_t dst[], const SkPMColor src[], int count, const SkAlpha aa[]);
virtual void xfer16(uint16_t dst[], const SkPMColor src[], int count,
const SkAlpha aa[]);
typedef SkFlattenable* (*Factory)(SkFlattenableReadBuffer&);
// overrides for SkFlattenable
virtual Factory getFactory() { return Create; }
virtual void flatten(SkFlattenableWriteBuffer& b)
{
virtual void flatten(SkFlattenableWriteBuffer& b) {
// this->INHERITED::flatten(b); How can we know if this is legal????
b.write32(SkScalarToFixed(fExp));
}
@ -166,27 +140,23 @@ private:
uint8_t fTable[256]; // cache
void init(SkScalar exponent);
SkPowerMode(SkFlattenableReadBuffer& b) : SkXfermode(b)
{
SkPowerMode(SkFlattenableReadBuffer& b) : SkXfermode(b) {
// read the exponent
this->init(SkFixedToScalar(b.readS32()));
}
static SkFlattenable* Create(SkFlattenableReadBuffer& b)
{
static SkFlattenable* Create(SkFlattenableReadBuffer& b) {
return SkNEW_ARGS(SkPowerMode, (b));
}
typedef SkXfermode INHERITED;
};
void SkPowerMode::init(SkScalar e)
{
void SkPowerMode::init(SkScalar e) {
fExp = e;
float ee = SkScalarToFloat(e);
printf("------ %g\n", ee);
for (int i = 0; i < 256; i++)
{
for (int i = 0; i < 256; i++) {
float x = i / 255.f;
// printf(" %d %g", i, x);
x = powf(x, ee);
@ -197,10 +167,9 @@ void SkPowerMode::init(SkScalar e)
}
}
void SkPowerMode::xfer16(uint16_t dst[], const SkPMColor src[], int count, const SkAlpha aa[])
{
for (int i = 0; i < count; i++)
{
void SkPowerMode::xfer16(uint16_t dst[], const SkPMColor src[], int count,
const SkAlpha aa[]) {
for (int i = 0; i < count; i++) {
SkPMColor c = src[i];
int r = SkGetPackedR32(c);
int g = SkGetPackedG32(c);
@ -222,8 +191,7 @@ static const struct {
{ "Subpixel", SkPaint::kSubpixelText_Flag, true }
};
static int count_char_points(const SkPaint& paint, char c)
{
static int count_char_points(const SkPaint& paint, char c) {
SkPath path;
paint.getTextPath(&c, 1, 0, 0, &path);
@ -232,10 +200,8 @@ static int count_char_points(const SkPaint& paint, char c)
static int gOld, gNew, gCount;
static void dump(int c, int oldc, int newc)
{
if (oldc != newc)
{
static void dump(int c, int oldc, int newc) {
if (oldc != newc) {
gOld += oldc;
gNew += newc;
gCount += 1;
@ -243,51 +209,18 @@ static void dump(int c, int oldc, int newc)
}
}
static void tab(int n)
{
static void tab(int n) {
// printf("[%d] ", n); return;
SkASSERT(n >= 0);
for (int i = 0; i < n; i++)
printf(" ");
}
#if 0
#include "badrects.cpp"
static void make_badrgn(SkRegion* rgn, int insetAmount)
{
SkRect16 r, bounds;
int i;
rgn->setEmpty();
bounds.setEmpty();
for (i = 0; i < SK_ARRAY_COUNT(badrects); i++)
{
SkASSERT(badrects[i].width > 0 && badrects[i].height > 0);
r.set(badrects[i].x, badrects[i].y, badrects[i].x + badrects[i].width, badrects[i].y + badrects[i].height);
r.inset(insetAmount, insetAmount);
rgn->op(r, SkRegion::kUnion_Op);
bounds.join(r);
}
SkASSERT(bounds == rgn->getBounds());
for (i = 0; i < SK_ARRAY_COUNT(badrects); i++)
{
r.set(badrects[i].x, badrects[i].y, badrects[i].x + badrects[i].width, badrects[i].y + badrects[i].height);
SkASSERT(rgn->contains(r));
}
}
#endif
static void draw_rgn(const SkRegion& rgn, SkCanvas* canvas, const SkPaint& paint)
{
static void draw_rgn(const SkRegion& rgn, SkCanvas* canvas, const SkPaint& paint) {
SkRect r;
SkRegion::Iterator iter(rgn);
for (; !iter.done(); iter.next())
{
for (; !iter.done(); iter.next()) {
r.set(iter.rect());
canvas->drawRect(r, paint);
}
@ -295,62 +228,30 @@ static void draw_rgn(const SkRegion& rgn, SkCanvas* canvas, const SkPaint& paint
static void test_break(SkCanvas* canvas, const char text[], size_t length,
SkScalar x, SkScalar y, const SkPaint& paint,
SkScalar clickX)
{
SkScalar clickX) {
SkPaint linePaint;
linePaint.setAntiAlias(true);
SkScalar measured;
if (paint.breakText(text, length, clickX - x, &measured, SkPaint::kForward_TextBufferDirection))
{
if (paint.breakText(text, length, clickX - x, &measured,
SkPaint::kForward_TextBufferDirection)) {
linePaint.setColor(SK_ColorRED);
canvas->drawLine(x, y, x + measured, y, linePaint);
}
x += paint.measureText(text, length);
if (paint.breakText(text, length, x - clickX, &measured, SkPaint::kBackward_TextBufferDirection))
{
if (paint.breakText(text, length, x - clickX, &measured,
SkPaint::kBackward_TextBufferDirection)) {
linePaint.setColor(SK_ColorBLUE);
canvas->drawLine(x - measured, y, x, y, linePaint);
}
}
static void test_poly()
{
static const SkPoint dst[] = {
SkIntToScalar(2), SkIntToScalar(1),
SkIntToScalar(5), SkIntToScalar(1),
SkIntToScalar(5), SkIntToScalar(3),
SkIntToScalar(2), SkIntToScalar(3)
};
static const SkPoint src[] = {
SkIntToScalar(0), SkIntToScalar(0),
SkIntToScalar(1), SkIntToScalar(0),
SkIntToScalar(1), SkIntToScalar(1),
SkIntToScalar(0), SkIntToScalar(1)
};
SkMatrix matrix;
if (matrix.setPolyToPoly(src, dst, 4))
{
SkPoint pt = { SK_Scalar1/2, SK_Scalar1/2 };
matrix.mapPoints(&pt, 1);
printf("---- x = %g y = %g\n", SkScalarToFloat(pt.fX), SkScalarToFloat(pt.fY));
}
else
printf("---- setPolyToPoly failed\n");
}
#include "SkColorShader.h"
static void DrawTheText(SkCanvas* canvas, const char text[], size_t length,
SkScalar x, SkScalar y, const SkPaint& paint,
SkScalar clickX, SkMaskFilter* mf)
{
SkScalar clickX, SkMaskFilter* mf) {
SkPaint p(paint);
#if 0
@ -360,8 +261,9 @@ static void DrawTheText(SkCanvas* canvas, const char text[], size_t length,
SkPoint pts[1000];
SkScalar xpos = x;
SkASSERT(length <= SK_ARRAY_COUNT(pts));
for (size_t i = 0; i < length; i++)
for (size_t i = 0; i < length; i++) {
pts[i].set(xpos, y), xpos += paint.getTextSize();
}
canvas->drawPosText(text, length, pts, paint);
}
#endif
@ -370,22 +272,8 @@ static void DrawTheText(SkCanvas* canvas, const char text[], size_t length,
x += SkIntToScalar(180);
canvas->drawText(text, length, x, y, p);
#ifdef TEST_CLICKX
test_break(canvas, text, length, x, y, p, clickX);
#endif
#ifdef SK_DEBUG
if (false)
{
SkColorShader shader;
p.setShader(&shader);
x += SkIntToScalar(180);
canvas->drawText(text, length, x, y, p);
p.setShader(NULL);
}
if (true)
{
if (true) {
// p.setMaskFilter(mf);
p.setSubpixelText(false);
p.setLinearText(true);
@ -395,71 +283,32 @@ static void DrawTheText(SkCanvas* canvas, const char text[], size_t length,
#endif
}
class TextSpeedView : public SkView {
class TextSpeedView : public SampleView {
public:
TextSpeedView()
{
TextSpeedView() {
fMF = makemf();
fHints = 0;
if (false)
{
static const char extra[] = { '.', ',', ':', ';', '!' };
SkPaint paint, paint2;
paint2.setTypeface(SkTypeface::CreateFromName(NULL,
SkTypeface::kItalic))->unref();
for (int i = 0; i < 26; i++)
::dump('a' + i, count_char_points(paint, 'a' + i), count_char_points(paint2, 'a' + i));
for (int j = 0; j < SK_ARRAY_COUNT(extra); j++)
::dump(extra[j], count_char_points(paint, extra[j]), count_char_points(paint2, extra[j]));
printf("--- ave reduction = %g%%\n", 100. * (gOld - gNew) / gOld);
}
if (true)
{
SkPoint pts[] = { SkIntToScalar(20), 0, SkIntToScalar(256+20), 0 };
SkColor colors[] = { SkColorSetARGB(0, 255, 255, 255), SkColorSetARGB(255, 255, 255, 255) };
fGradient = SkGradientShader::CreateLinear(pts, colors, NULL, 2, SkShader::kClamp_TileMode);
}
fClickX = 0;
test_breakText();
test_typefaceCache();
// test_poly();
}
virtual ~TextSpeedView()
{
fGradient->unref();
virtual ~TextSpeedView() {
SkSafeUnref(fMF);
}
protected:
// overrides from SkEventSink
virtual bool onQuery(SkEvent* evt)
{
if (SampleCode::TitleQ(*evt))
{
virtual bool onQuery(SkEvent* evt) {
if (SampleCode::TitleQ(*evt)) {
SampleCode::TitleR(evt, "Text");
return true;
}
return this->INHERITED::onQuery(evt);
}
void drawBG(SkCanvas* canvas)
{
// canvas->drawColor(0xFFDDDDDD);
canvas->drawColor(SK_ColorWHITE);
// canvas->drawColor(SK_ColorBLACK);
}
static void make_textstrip(SkBitmap* bm)
{
static void make_textstrip(SkBitmap* bm) {
bm->setConfig(SkBitmap::kRGB_565_Config, 200, 18);
bm->allocPixels();
bm->eraseColor(SK_ColorWHITE);
@ -474,16 +323,12 @@ protected:
canvas.drawText(s, strlen(s), SkIntToScalar(8), SkIntToScalar(14), paint);
}
static void fill_pts(SkPoint pts[], size_t n, SkRandom* rand)
{
static void fill_pts(SkPoint pts[], size_t n, SkRandom* rand) {
for (size_t i = 0; i < n; i++)
pts[i].set(rand->nextUScalar1() * 640, rand->nextUScalar1() * 480);
}
virtual void onDraw(SkCanvas* canvas)
{
this->drawBG(canvas);
virtual void onDrawContent(SkCanvas* canvas) {
SkAutoCanvasRestore restore(canvas, false);
{
SkRect r;
@ -508,36 +353,17 @@ protected:
SkRect clip;
clip.set(SkIntToScalar(25), SkIntToScalar(34), SkIntToScalar(88), SkIntToScalar(155));
if (0) {
canvas->clipRect(clip);
}
if (0) {
SkPath clipPath;
clipPath.addOval(clip);
canvas->clipPath(clipPath);
}
const char* text = "Hamburgefons";
size_t length = strlen(text);
#ifdef TEST_CLICKX
{
SkPaint p;
p.setColor(SK_ColorGREEN);
p.setAntiAlias(true);
canvas->drawLine(fClickX, 0, fClickX, SkIntToScalar(1000), p);
}
#endif
SkScalar y = SkIntToScalar(0);
for (int i = 9; i <= 24; i++) {
paint.setTextSize(SkIntToScalar(i) /*+ (gRand.nextU() & 0xFFFF)*/);
for (SkScalar dx = 0; dx <= SkIntToScalar(3)/4; dx += SkIntToScalar(1) /* /4 */)
{
for (SkScalar dx = 0; dx <= SkIntToScalar(3)/4;
dx += SkIntToScalar(1) /* /4 */) {
y += paint.getFontSpacing();
DrawTheText(canvas, text, length, SkIntToScalar(20) + dx, y, paint, fClickX, fMF);
DrawTheText(canvas, text, length, SkIntToScalar(20) + dx, y,
paint, fClickX, fMF);
}
}
if (gHints[index].fFlushCache) {
@ -545,15 +371,13 @@ protected:
}
}
virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y)
{
virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y) {
fClickX = x;
this->inval(NULL);
return this->INHERITED::onFindClickHandler(x, y);
}
virtual bool onClick(Click* click)
{
virtual bool onClick(Click* click) {
return this->INHERITED::onClick(click);
}
@ -561,9 +385,8 @@ private:
int fHints;
SkScalar fClickX;
SkMaskFilter* fMF;
SkShader* fGradient;
typedef SkView INHERITED;
typedef SampleView INHERITED;
};
//////////////////////////////////////////////////////////////////////////////