2008-12-17 18:59:43 +03:00
|
|
|
#include "SampleCode.h"
|
|
|
|
#include "SkView.h"
|
|
|
|
#include "SkCanvas.h"
|
|
|
|
#include "Sk64.h"
|
|
|
|
#include "SkGradientShader.h"
|
|
|
|
#include "SkGraphics.h"
|
|
|
|
#include "SkImageDecoder.h"
|
|
|
|
#include "SkKernel33MaskFilter.h"
|
|
|
|
#include "SkPath.h"
|
|
|
|
#include "SkRandom.h"
|
|
|
|
#include "SkRegion.h"
|
|
|
|
#include "SkShader.h"
|
|
|
|
#include "SkUtils.h"
|
|
|
|
#include "SkColorPriv.h"
|
|
|
|
#include "SkColorFilter.h"
|
|
|
|
#include "SkTime.h"
|
|
|
|
#include "SkTypeface.h"
|
|
|
|
#include "SkXfermode.h"
|
|
|
|
|
|
|
|
#include "SkStream.h"
|
|
|
|
#include "SkXMLParser.h"
|
|
|
|
|
|
|
|
static const int gKernel[3][3] = {
|
|
|
|
// { -1, -2, -1 }, { -2, 12, -2 }, { -1, -2, -1 }
|
|
|
|
{ 1, 2, 1 }, { 2, 64-12, 2 }, { 1, 2, 1 }
|
|
|
|
};
|
|
|
|
static const int gShift = 6;
|
|
|
|
|
|
|
|
class ReduceNoise : public SkKernel33ProcMaskFilter {
|
|
|
|
public:
|
|
|
|
ReduceNoise(int percent256) : SkKernel33ProcMaskFilter(percent256) {}
|
|
|
|
virtual uint8_t computeValue(uint8_t* const* srcRows)
|
|
|
|
{
|
|
|
|
int c = srcRows[1][1];
|
|
|
|
int min = 255, max = 0;
|
|
|
|
for (int i = 0; i < 3; i++)
|
|
|
|
for (int j = 0; j < 3; j++)
|
|
|
|
if (i != 1 || j != 1)
|
|
|
|
{
|
|
|
|
int v = srcRows[i][j];
|
|
|
|
if (max < v)
|
|
|
|
max = v;
|
|
|
|
if (min > v)
|
|
|
|
min = v;
|
|
|
|
}
|
|
|
|
if (c > max) c = max;
|
|
|
|
// if (c < min) c = min;
|
|
|
|
return c;
|
|
|
|
}
|
|
|
|
virtual Factory getFactory() { return Create; }
|
|
|
|
private:
|
|
|
|
ReduceNoise(SkFlattenableReadBuffer& rb) : SkKernel33ProcMaskFilter(rb) {}
|
|
|
|
static SkFlattenable* Create(SkFlattenableReadBuffer& rb)
|
|
|
|
{
|
|
|
|
return new ReduceNoise(rb);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
class Darken : public SkKernel33ProcMaskFilter {
|
|
|
|
public:
|
|
|
|
Darken(int percent256) : SkKernel33ProcMaskFilter(percent256) {}
|
|
|
|
virtual uint8_t computeValue(uint8_t* const* srcRows)
|
|
|
|
{
|
|
|
|
int c = srcRows[1][1];
|
|
|
|
float f = c / 255.f;
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
if (c >= 0)
|
|
|
|
{
|
|
|
|
f = sqrtf(f);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
f *= f;
|
|
|
|
}
|
|
|
|
SkASSERT(f >= 0 && f <= 1);
|
|
|
|
return (int)(f * 255);
|
|
|
|
}
|
|
|
|
virtual Factory getFactory() { return Create; }
|
|
|
|
private:
|
|
|
|
Darken(SkFlattenableReadBuffer& rb) : SkKernel33ProcMaskFilter(rb) {}
|
|
|
|
static SkFlattenable* Create(SkFlattenableReadBuffer& rb)
|
|
|
|
{
|
|
|
|
return new Darken(rb);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
static SkMaskFilter* makemf() { return new Darken(0x30); }
|
|
|
|
|
|
|
|
//#ifdef TEST_CLICKX
|
|
|
|
|
|
|
|
static void test_typefaceCache()
|
|
|
|
{
|
2009-05-30 06:40:28 +04:00
|
|
|
#ifdef ANDROID
|
2009-03-04 18:31:48 +03:00
|
|
|
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);
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
SkASSERT(t0 == t1);
|
|
|
|
SkASSERT(t0 == t2);
|
|
|
|
SkASSERT(t0 == t3);
|
2008-12-23 21:37:08 +03:00
|
|
|
#endif
|
2008-12-17 18:59:43 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
static void test_breakText()
|
|
|
|
{
|
|
|
|
SkPaint paint;
|
|
|
|
const char* text = "sdfkljAKLDFJKEWkldfjlk#$%&sdfs.dsj";
|
|
|
|
size_t length = strlen(text);
|
|
|
|
SkScalar width = paint.measureText(text, length);
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
SkScalar mm = 0;
|
|
|
|
SkScalar nn = 0;
|
|
|
|
for (SkScalar w = 0; w <= width; w += SK_Scalar1)
|
|
|
|
{
|
|
|
|
SkScalar m;
|
|
|
|
size_t n = paint.breakText(text, length, w, &m,
|
|
|
|
SkPaint::kBackward_TextBufferDirection);
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
SkASSERT(n <= length);
|
|
|
|
SkASSERT(m <= width);
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
if (n == 0)
|
|
|
|
SkASSERT(m == 0);
|
|
|
|
else
|
|
|
|
{
|
|
|
|
// now assert that we're monotonic
|
|
|
|
if (n == nn)
|
|
|
|
SkASSERT(m == mm);
|
|
|
|
else
|
|
|
|
{
|
|
|
|
SkASSERT(n > nn);
|
|
|
|
SkASSERT(m > mm);
|
|
|
|
}
|
|
|
|
}
|
2011-04-14 21:53:24 +04:00
|
|
|
nn = SkIntToScalar(n);
|
2008-12-17 18:59:43 +03:00
|
|
|
mm = m;
|
|
|
|
}
|
|
|
|
|
2011-04-14 21:53:24 +04:00
|
|
|
int length2 = paint.breakText(text, length, width, &mm);
|
|
|
|
SkASSERT(length2 == length);
|
2008-12-17 18:59:43 +03:00
|
|
|
SkASSERT(mm == width);
|
|
|
|
}
|
|
|
|
|
|
|
|
static SkRandom gRand;
|
|
|
|
|
|
|
|
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[]);
|
|
|
|
|
|
|
|
typedef SkFlattenable* (*Factory)(SkFlattenableReadBuffer&);
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
// overrides for SkFlattenable
|
|
|
|
virtual Factory getFactory() { return Create; }
|
|
|
|
virtual void flatten(SkFlattenableWriteBuffer& b)
|
|
|
|
{
|
|
|
|
// this->INHERITED::flatten(b); How can we know if this is legal????
|
|
|
|
b.write32(SkScalarToFixed(fExp));
|
|
|
|
}
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
private:
|
|
|
|
SkScalar fExp; // user's value
|
|
|
|
uint8_t fTable[256]; // cache
|
|
|
|
|
|
|
|
void init(SkScalar exponent);
|
|
|
|
SkPowerMode(SkFlattenableReadBuffer& b) : SkXfermode(b)
|
|
|
|
{
|
|
|
|
// read the exponent
|
|
|
|
this->init(SkFixedToScalar(b.readS32()));
|
|
|
|
}
|
|
|
|
static SkFlattenable* Create(SkFlattenableReadBuffer& b)
|
|
|
|
{
|
|
|
|
return SkNEW_ARGS(SkPowerMode, (b));
|
|
|
|
}
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
typedef SkXfermode INHERITED;
|
|
|
|
};
|
|
|
|
|
|
|
|
void SkPowerMode::init(SkScalar e)
|
|
|
|
{
|
|
|
|
fExp = e;
|
|
|
|
float ee = SkScalarToFloat(e);
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
printf("------ %g\n", ee);
|
|
|
|
for (int i = 0; i < 256; i++)
|
|
|
|
{
|
|
|
|
float x = i / 255.f;
|
|
|
|
// printf(" %d %g", i, x);
|
|
|
|
x = powf(x, ee);
|
|
|
|
// printf(" %g", x);
|
|
|
|
int xx = SkScalarRound(SkFloatToScalar(x * 255));
|
|
|
|
// printf(" %d\n", xx);
|
|
|
|
fTable[i] = SkToU8(xx);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
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);
|
|
|
|
int b = SkGetPackedB32(c);
|
|
|
|
r = fTable[r];
|
|
|
|
g = fTable[g];
|
|
|
|
b = fTable[b];
|
|
|
|
dst[i] = SkPack888ToRGB16(r, g, b);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static const struct {
|
|
|
|
const char* fName;
|
|
|
|
uint32_t fFlags;
|
|
|
|
bool fFlushCache;
|
|
|
|
} gHints[] = {
|
|
|
|
{ "Linear", SkPaint::kLinearText_Flag, false },
|
|
|
|
{ "Normal", 0, true },
|
|
|
|
{ "Subpixel", SkPaint::kSubpixelText_Flag, true }
|
|
|
|
};
|
|
|
|
|
|
|
|
#ifdef SK_DEBUG
|
|
|
|
#define REPEAT_COUNT 1
|
|
|
|
#else
|
2010-12-20 21:26:13 +03:00
|
|
|
#define REPEAT_COUNT 5
|
2008-12-17 18:59:43 +03:00
|
|
|
#endif
|
|
|
|
|
|
|
|
static int count_char_points(const SkPaint& paint, char c)
|
|
|
|
{
|
|
|
|
SkPath path;
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
paint.getTextPath(&c, 1, 0, 0, &path);
|
|
|
|
return path.getPoints(NULL, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gOld, gNew, gCount;
|
|
|
|
|
|
|
|
static void dump(int c, int oldc, int newc)
|
|
|
|
{
|
|
|
|
if (oldc != newc)
|
|
|
|
{
|
|
|
|
gOld += oldc;
|
|
|
|
gNew += newc;
|
|
|
|
gCount += 1;
|
|
|
|
printf("char %c: old = %3d, new = %3d, reduction %g%%\n", c, oldc, newc, 100. * (oldc - newc) / oldc);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
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;
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
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++)
|
|
|
|
{
|
2011-02-07 18:30:46 +03:00
|
|
|
r.set(badrects[i].x, badrects[i].y, badrects[i].x + badrects[i].width, badrects[i].y + badrects[i].height);
|
2008-12-17 18:59:43 +03:00
|
|
|
SkASSERT(rgn->contains(r));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
static void draw_rgn(const SkRegion& rgn, SkCanvas* canvas, const SkPaint& paint)
|
|
|
|
{
|
|
|
|
SkRect r;
|
|
|
|
SkRegion::Iterator iter(rgn);
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
for (; !iter.done(); iter.next())
|
|
|
|
{
|
|
|
|
r.set(iter.rect());
|
|
|
|
canvas->drawRect(r, paint);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void test_break(SkCanvas* canvas, const char text[], size_t length,
|
|
|
|
SkScalar x, SkScalar y, const SkPaint& paint,
|
|
|
|
SkScalar clickX)
|
|
|
|
{
|
|
|
|
SkPaint linePaint;
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
linePaint.setAntiAlias(true);
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
SkScalar measured;
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
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))
|
|
|
|
{
|
|
|
|
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)
|
|
|
|
};
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
static const SkPoint src[] = {
|
|
|
|
SkIntToScalar(0), SkIntToScalar(0),
|
|
|
|
SkIntToScalar(1), SkIntToScalar(0),
|
|
|
|
SkIntToScalar(1), SkIntToScalar(1),
|
|
|
|
SkIntToScalar(0), SkIntToScalar(1)
|
|
|
|
};
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
SkMatrix matrix;
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
if (matrix.setPolyToPoly(src, dst, 4))
|
|
|
|
{
|
|
|
|
SkPoint pt = { SK_Scalar1/2, SK_Scalar1/2 };
|
2011-02-07 18:30:46 +03:00
|
|
|
matrix.mapPoints(&pt, 1);
|
2008-12-17 18:59:43 +03:00
|
|
|
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)
|
|
|
|
{
|
|
|
|
SkPaint p(paint);
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
canvas->drawText(text, length, x, y, paint);
|
|
|
|
#else
|
|
|
|
{
|
|
|
|
SkPoint pts[1000];
|
|
|
|
SkScalar xpos = x;
|
|
|
|
SkASSERT(length <= SK_ARRAY_COUNT(pts));
|
|
|
|
for (size_t i = 0; i < length; i++)
|
|
|
|
pts[i].set(xpos, y), xpos += paint.getTextSize();
|
|
|
|
canvas->drawPosText(text, length, pts, paint);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
p.setSubpixelText(true);
|
|
|
|
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)
|
|
|
|
{
|
|
|
|
// p.setMaskFilter(mf);
|
|
|
|
p.setSubpixelText(false);
|
|
|
|
p.setLinearText(true);
|
|
|
|
x += SkIntToScalar(180);
|
|
|
|
canvas->drawText(text, length, x, y, p);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
class TextSpeedView : public SkView {
|
|
|
|
public:
|
|
|
|
TextSpeedView()
|
|
|
|
{
|
|
|
|
fMF = makemf();
|
|
|
|
|
|
|
|
fHints = 0;
|
|
|
|
|
|
|
|
if (false)
|
|
|
|
{
|
|
|
|
static const char extra[] = { '.', ',', ':', ';', '!' };
|
|
|
|
SkPaint paint, paint2;
|
|
|
|
|
2009-03-04 18:31:48 +03:00
|
|
|
paint2.setTypeface(SkTypeface::CreateFromName(NULL,
|
|
|
|
SkTypeface::kItalic))->unref();
|
2008-12-17 18:59:43 +03:00
|
|
|
|
|
|
|
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);
|
|
|
|
}
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
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);
|
|
|
|
}
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
fClickX = 0;
|
|
|
|
|
2011-02-07 18:30:46 +03:00
|
|
|
test_breakText();
|
2008-12-17 18:59:43 +03:00
|
|
|
test_typefaceCache();
|
2009-06-03 06:35:01 +04:00
|
|
|
// test_poly();
|
2008-12-17 18:59:43 +03:00
|
|
|
}
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
virtual ~TextSpeedView()
|
|
|
|
{
|
|
|
|
fGradient->unref();
|
2011-02-07 18:30:46 +03:00
|
|
|
SkSafeUnref(fMF);
|
2008-12-17 18:59:43 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
protected:
|
|
|
|
// overrides from SkEventSink
|
|
|
|
virtual bool onQuery(SkEvent* evt)
|
|
|
|
{
|
|
|
|
if (SampleCode::TitleQ(*evt))
|
|
|
|
{
|
|
|
|
SampleCode::TitleR(evt, "Text");
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
return this->INHERITED::onQuery(evt);
|
|
|
|
}
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
void drawBG(SkCanvas* canvas)
|
|
|
|
{
|
|
|
|
// canvas->drawColor(0xFFDDDDDD);
|
|
|
|
canvas->drawColor(SK_ColorWHITE);
|
|
|
|
// canvas->drawColor(SK_ColorBLACK);
|
|
|
|
}
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
static void make_textstrip(SkBitmap* bm)
|
|
|
|
{
|
|
|
|
bm->setConfig(SkBitmap::kRGB_565_Config, 200, 18);
|
|
|
|
bm->allocPixels();
|
|
|
|
bm->eraseColor(SK_ColorWHITE);
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
SkCanvas canvas(*bm);
|
|
|
|
SkPaint paint;
|
|
|
|
const char* s = "Lorem ipsum dolor sit amet, consectetuer adipiscing elit";
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
paint.setFlags(paint.getFlags() | SkPaint::kAntiAlias_Flag
|
|
|
|
| SkPaint::kDevKernText_Flag);
|
|
|
|
paint.setTextSize(SkIntToScalar(14));
|
|
|
|
canvas.drawText(s, strlen(s), SkIntToScalar(8), SkIntToScalar(14), paint);
|
|
|
|
}
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
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);
|
|
|
|
}
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
virtual void onDraw(SkCanvas* canvas)
|
|
|
|
{
|
2010-07-22 22:27:53 +04:00
|
|
|
inval(NULL);
|
2008-12-17 18:59:43 +03:00
|
|
|
if (false)
|
|
|
|
{
|
|
|
|
canvas->translate(SkIntToScalar(480), 0);
|
|
|
|
canvas->rotate(SkIntToScalar(90));
|
|
|
|
}
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
this->drawBG(canvas);
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
if (false)
|
|
|
|
{
|
|
|
|
SkPaint p;
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
p.setAntiAlias(true);
|
|
|
|
p.setSubpixelText(true);
|
|
|
|
// p.setLinearText(true);
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
SkScalar size = SkIntToScalar(6);
|
|
|
|
SkMSec dur = 0;
|
|
|
|
const int LOOP = 16;
|
|
|
|
const int TIMES = 10;
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
for (int times = 0; times < TIMES; times++)
|
|
|
|
{
|
|
|
|
SkMSec now = SkTime::GetMSecs();
|
|
|
|
for (int loop = 0; loop < LOOP; loop++)
|
|
|
|
{
|
|
|
|
p.setTextSize(size);
|
|
|
|
size += SK_Scalar1/5;
|
|
|
|
canvas->drawText("Hamburgefons", 12, SkIntToScalar(10), SkIntToScalar(50), p);
|
|
|
|
}
|
|
|
|
dur += SkTime::GetMSecs() - now;
|
|
|
|
SkGraphics::SetFontCacheUsed(0);
|
|
|
|
}
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
printf("----- duration = %g\n", dur * 1.0 / TIMES);
|
|
|
|
this->inval(NULL);
|
|
|
|
return;
|
|
|
|
}
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
if (false)
|
|
|
|
{
|
|
|
|
SkPaint p;
|
|
|
|
p.setAntiAlias(true);
|
|
|
|
for (int i = 6; i <= 36; i++)
|
|
|
|
{
|
|
|
|
SkRect r;
|
|
|
|
SkPaint::FontMetrics m;
|
|
|
|
p.setTextSize(SkIntToScalar(i));
|
|
|
|
p.getFontMetrics(&m);
|
|
|
|
int ascent = SkScalarRound(m.fAscent);
|
|
|
|
int descent = SkScalarRound(m.fDescent);
|
|
|
|
for (uint8_t c = ' '; c <= 127; c++)
|
|
|
|
{
|
|
|
|
p.getTextWidths(&c, 1, NULL, &r);
|
|
|
|
if (SkScalarRound(r.fTop) < ascent)
|
|
|
|
printf("PS %d --- %c [%d] top=%g, ascent=%g ymax=%g\n", i, c, c,
|
|
|
|
SkScalarToFloat(r.fTop), SkScalarToFloat(m.fAscent), SkScalarToFloat(m.fTop));
|
|
|
|
if (SkScalarRound(r.fBottom) > descent)
|
|
|
|
printf("PS %d --- %c [%d] bottom=%g, descent=%g ymin=%g\n", i, c, c,
|
|
|
|
SkScalarToFloat(r.fBottom), SkScalarToFloat(m.fDescent), SkScalarToFloat(m.fBottom));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
if (false)
|
|
|
|
{
|
|
|
|
SkPaint p;
|
|
|
|
p.setShader(fGradient);
|
|
|
|
|
|
|
|
#ifdef SK_RELEASE
|
|
|
|
SkMSec now = SkTime::GetMSecs();
|
|
|
|
for (int i = 0; i < 100; i++)
|
|
|
|
#endif
|
|
|
|
canvas->drawPaint(p);
|
|
|
|
#ifdef SK_RELEASE
|
|
|
|
printf("----- %d ms\n", SkTime::GetMSecs() - now);
|
|
|
|
this->inval(NULL);
|
|
|
|
#endif
|
|
|
|
return;
|
|
|
|
}
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
if (false)
|
|
|
|
{
|
|
|
|
SkBitmap bm;
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
make_textstrip(&bm);
|
|
|
|
canvas->translate(0, SkIntToScalar(50));
|
|
|
|
for (int i = 0; i < 10; i++)
|
|
|
|
{
|
|
|
|
float gamma = 1 + i * 0.2f;
|
|
|
|
SkPowerMode mode(SkFloatToScalar(1 / gamma));
|
|
|
|
SkPaint p;
|
|
|
|
p.setXfermode(&mode);
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
canvas->drawBitmap(bm, 0, SkIntToScalar(i) * bm.height(), &p);
|
|
|
|
}
|
|
|
|
return;
|
|
|
|
}
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
if (false)
|
|
|
|
{
|
|
|
|
SkPaint paint;
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
paint.setAntiAlias(true);
|
|
|
|
paint.setDevKernText(true);
|
|
|
|
SkMSec now = SkTime::GetMSecs();
|
|
|
|
for (int i = 0; i < 1000000; i++)
|
|
|
|
{
|
|
|
|
paint.measureText("Hamburgefons", 15, NULL, NULL);
|
|
|
|
}
|
|
|
|
printf("--------- measure %d\n", SkTime::GetMSecs() - now);
|
|
|
|
this->inval(NULL);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (false)
|
|
|
|
{
|
|
|
|
SkRegion rgn;
|
|
|
|
SkPath path;
|
|
|
|
SkPaint paint;
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
// make_badrgn(&rgn, -2);
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
if (false)
|
|
|
|
{
|
|
|
|
paint.setColor(SK_ColorBLUE);
|
|
|
|
canvas->drawIRect(rgn.getBounds(), paint);
|
|
|
|
}
|
|
|
|
paint.setColor(SK_ColorRED);
|
|
|
|
draw_rgn(rgn, canvas, paint);
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
rgn.getBoundaryPath(&path);
|
|
|
|
paint.setARGB(0x80, 0, 0, 0xFF);
|
|
|
|
canvas->drawPath(path, paint);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (false)
|
|
|
|
{
|
|
|
|
SkRect r = { SkIntToScalar(50), SkIntToScalar(50), SkIntToScalar(300), SkIntToScalar(300) };
|
|
|
|
SkPaint p;
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
p.setStyle(SkPaint::kStroke_Style);
|
|
|
|
p.setAlpha(0x80);
|
|
|
|
p.setStrokeWidth(SkIntToScalar(20));
|
|
|
|
canvas->drawRect(r, p);
|
|
|
|
}
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
if (false)
|
|
|
|
{
|
|
|
|
SkPaint p;
|
|
|
|
SkRect r = { SkIntToScalar(100), SkIntToScalar(100), SkIntToScalar(104), SkIntToScalar(104) };
|
|
|
|
// r.offset(SK_ScalarHalf, SK_ScalarHalf);
|
|
|
|
p.setStyle(SkPaint::kStroke_Style);
|
|
|
|
p.setStrokeWidth(SK_Scalar1*2);
|
|
|
|
// p.setAntiAliasOn(true);
|
|
|
|
canvas->drawRect(r, p);
|
|
|
|
return;
|
|
|
|
}
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
if (false)
|
|
|
|
{
|
|
|
|
Sk64 aa, bb;
|
|
|
|
int64_t a = (int64_t)6062080 * -30596;
|
|
|
|
int64_t b = (int64_t)4816896 * 57957;
|
|
|
|
aa.setMul(6062080, -30596);
|
|
|
|
bb.setMul(4816896, 57957);
|
|
|
|
|
|
|
|
a += b;
|
|
|
|
b = a >> 16;
|
|
|
|
|
|
|
|
// SkFixed c = aa.addGetFixed(bb);
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
printf("%d %d\n", (int)a, a >> 32);
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
SkBitmap bm;
|
|
|
|
SkPaint paint;
|
|
|
|
SkScalar scale = SkFloatToScalar(0.5625f);
|
|
|
|
SkScalar x = SkIntToScalar(100);
|
|
|
|
SkScalar y = SkIntToScalar(100);
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
//paint.setFilterType(SkPaint::kBilinear_FilterType);
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
SkImageDecoder::DecodeFile("/app_web_browser.png", &bm);
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
// canvas->drawBitmap(bm, x, y, paint);
|
|
|
|
x += SkIntToScalar(100);
|
|
|
|
canvas->save();
|
|
|
|
canvas->translate(x, y);
|
|
|
|
canvas->scale(SkIntToScalar(2)/1, SkIntToScalar(2)/1);
|
|
|
|
canvas->translate(-x, -y);
|
|
|
|
canvas->drawBitmap(bm, x, y, &paint);
|
|
|
|
canvas->restore();
|
|
|
|
x += SkIntToScalar(100);
|
|
|
|
canvas->save();
|
|
|
|
canvas->translate(x, y);
|
|
|
|
canvas->scale(scale, scale);
|
|
|
|
canvas->translate(-x, -y);
|
|
|
|
// canvas->drawBitmap(bm, x, y, paint);
|
|
|
|
canvas->restore();
|
|
|
|
return;
|
|
|
|
}
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
SkAutoCanvasRestore restore(canvas, false);
|
|
|
|
{
|
|
|
|
SkRect r;
|
|
|
|
r.set(0, 0, SkIntToScalar(1000), SkIntToScalar(20));
|
|
|
|
// canvas->saveLayer(&r, NULL, SkCanvas::kHasAlphaLayer_SaveFlag);
|
|
|
|
}
|
|
|
|
|
|
|
|
SkPaint paint;
|
|
|
|
// const uint16_t glyphs[] = { 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19 };
|
|
|
|
int index = fHints % SK_ARRAY_COUNT(gHints);
|
|
|
|
index = 1;
|
|
|
|
// const char* style = gHints[index].fName;
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
// canvas->translate(0, SkIntToScalar(50));
|
|
|
|
|
|
|
|
// canvas->drawText(style, strlen(style), SkIntToScalar(20), SkIntToScalar(20), paint);
|
|
|
|
|
2010-01-26 01:02:44 +03:00
|
|
|
SkSafeUnref(paint.setTypeface(SkTypeface::CreateFromFile("/skimages/samplefont.ttf")));
|
2008-12-17 18:59:43 +03:00
|
|
|
paint.setAntiAlias(true);
|
|
|
|
paint.setFlags(paint.getFlags() | gHints[index].fFlags);
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
SkMSec now = 0;
|
|
|
|
if (REPEAT_COUNT > 1)
|
|
|
|
now = SkTime::GetMSecs();
|
|
|
|
|
|
|
|
SkRect clip;
|
|
|
|
clip.set(SkIntToScalar(25), SkIntToScalar(34), SkIntToScalar(88), SkIntToScalar(155));
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
if (0) {
|
|
|
|
canvas->clipRect(clip);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (0) {
|
2011-02-07 18:30:46 +03:00
|
|
|
SkPath clipPath;
|
2008-12-17 18:59:43 +03:00
|
|
|
clipPath.addOval(clip);
|
|
|
|
canvas->clipPath(clipPath);
|
|
|
|
}
|
|
|
|
|
|
|
|
const char* text = "Hamburgefons";
|
|
|
|
size_t length = strlen(text);
|
|
|
|
|
|
|
|
#ifdef TEST_CLICKX
|
|
|
|
{
|
|
|
|
SkPaint p;
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
p.setColor(SK_ColorGREEN);
|
|
|
|
p.setAntiAlias(true);
|
|
|
|
canvas->drawLine(fClickX, 0, fClickX, SkIntToScalar(1000), p);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
for (int j = 0; j < REPEAT_COUNT; j++)
|
|
|
|
{
|
|
|
|
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 */)
|
|
|
|
{
|
|
|
|
y += paint.getFontSpacing();
|
|
|
|
DrawTheText(canvas, text, length, SkIntToScalar(20) + dx, y, paint, fClickX, fMF);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (gHints[index].fFlushCache) {
|
2010-07-22 22:27:53 +04:00
|
|
|
// SkGraphics::SetFontCacheUsed(0);
|
2008-12-17 18:59:43 +03:00
|
|
|
}
|
|
|
|
}
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
if (REPEAT_COUNT > 1)
|
|
|
|
{
|
|
|
|
printf("--------- FPS = %g\n", REPEAT_COUNT * 1000. / (SkTime::GetMSecs() - now));
|
|
|
|
this->inval(NULL);
|
|
|
|
}
|
|
|
|
}
|
2011-02-07 18:30:46 +03:00
|
|
|
|
|
|
|
virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y)
|
2008-12-17 18:59:43 +03:00
|
|
|
{
|
|
|
|
fClickX = x;
|
|
|
|
this->inval(NULL);
|
|
|
|
return this->INHERITED::onFindClickHandler(x, y);
|
|
|
|
}
|
2011-02-07 18:30:46 +03:00
|
|
|
|
|
|
|
virtual bool onClick(Click* click)
|
2008-12-17 18:59:43 +03:00
|
|
|
{
|
|
|
|
return this->INHERITED::onClick(click);
|
|
|
|
}
|
2011-02-07 18:30:46 +03:00
|
|
|
|
2008-12-17 18:59:43 +03:00
|
|
|
private:
|
|
|
|
int fHints;
|
|
|
|
SkScalar fClickX;
|
|
|
|
SkMaskFilter* fMF;
|
|
|
|
SkShader* fGradient;
|
|
|
|
|
|
|
|
typedef SkView INHERITED;
|
|
|
|
};
|
|
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
|
|
static SkView* MyFactory() { return new TextSpeedView; }
|
|
|
|
static SkViewRegister reg(MyFactory);
|
|
|
|
|