TilingGM()
: fLooper(SkIntToScalar(1), SkIntToScalar(2), SkIntToScalar(2),
0x88000000) {
for (size_t i = 0; i < SK_ARRAY_COUNT(gConfigs); i++) {
makebm(&fTexture[i], gConfigs[i], gWidth, gHeight);
}
}
void onDelayedSetup() override {
int w = 40;
int h = 40;
makebm(&fBmp, w, h);
fBmShader = SkShader::CreateBitmapShader(fBmp,
SkShader::kRepeat_TileMode,
SkShader::kRepeat_TileMode);
int offset = 2;
int count = 0;
for (int j = 0; j < NY; ++j) {
for (int i = 0; i < NX; ++i) {
int x = (w + offset) * i;
int y = (h * offset) * j;
if (kRect_DrawType == fDrawType) {
fRects[count].set(SkIntToScalar(x), SkIntToScalar(y),
SkIntToScalar(x + w), SkIntToScalar(y + h));
} else {
fPaths[count].moveTo(SkIntToScalar(x), SkIntToScalar(y));
fPaths[count].rLineTo(SkIntToScalar(w), 0);
fPaths[count].rLineTo(0, SkIntToScalar(h));
fPaths[count].rLineTo(SkIntToScalar(-w + 1), 0);
}
if (0 == count % 2) {
fColors[count] = fPattern1.fColor;
fShaders[count] = fPattern1.fIsBitmap ? fBmShader : nullptr;
} else {
fColors[count] = fPattern2.fColor;
fShaders[count] = fPattern2.fIsBitmap ? fBmShader : nullptr;
}
++count;
}
}
}
TilingView()
: fLooper(SkBlurDrawLooper::Create(0x88000000,
SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(1)),
SkIntToScalar(2), SkIntToScalar(2))) {
for (size_t i = 0; i < SK_ARRAY_COUNT(gColorTypes); i++) {
makebm(&fTexture[i], gColorTypes[i], gWidth, gHeight);
}
}
static SkShader* MakeBitmapShader(SkShader::TileMode tx, SkShader::TileMode ty,
int w, int h) {
static SkBitmap bmp;
if (bmp.isNull()) {
makebm(&bmp, w/2, h/4);
}
return SkShader::CreateBitmapShader(bmp, tx, ty);
}
void onDraw(SkCanvas* canvas) override {
if (nullptr == fImage) {
fImage = makebm(gSurfaceSize, gSurfaceSize);
}
const SkRect dstRect = { 0, 0, SkIntToScalar(64), SkIntToScalar(64)};
const int kMaxSrcRectSize = 1 << (SkNextLog2(gSurfaceSize) + 2);
constexpr int kPadX = 30;
constexpr int kPadY = 40;
int rowCount = 0;
canvas->translate(SkIntToScalar(kPadX), SkIntToScalar(kPadY));
canvas->save();
SkRandom random;
SkPaint paint;
paint.setAntiAlias(fAA);
for (int w = 1; w <= kMaxSrcRectSize; w *= 3) {
for (int h = 1; h <= kMaxSrcRectSize; h *= 3) {
const SkIRect srcRect =
SkIRect::MakeXYWH((gSurfaceSize - w) / 2, (gSurfaceSize - h) / 2, w, h);
canvas->save();
switch (random.nextU() % 3) {
case 0:
canvas->rotate(random.nextF() * 10.f);
break;
case 1:
canvas->rotate(-random.nextF() * 10.f);
break;
case 2:
// rect stays rect
break;
}
canvas->drawImageRect(fImage.get(), srcRect, dstRect, &paint,
SkCanvas::kFast_SrcRectConstraint);
canvas->restore();
canvas->translate(dstRect.width() + SK_Scalar1 * kPadX, 0);
++rowCount;
if ((dstRect.width() + 2 * kPadX) * rowCount > gSize) {
canvas->restore();
canvas->translate(0, dstRect.height() + SK_Scalar1 * kPadY);
canvas->save();
rowCount = 0;
}
}
}
canvas->restore();
}
void onOnceBeforeDraw() override {
fImage.reset(makebm(&fLargeBitmap, gBmpSize, gBmpSize));
}
void onDraw(SkCanvas* canvas) override {
static const char kText[] = "SKIA";
static const int kTextLen = SK_ARRAY_COUNT(kText) - 1;
static const int kPointSize = 55;
SkTDArray<LabeledMatrix> matrices;
matrices.append()->fMatrix.reset();
matrices.top().fLabel = "Identity";
matrices.append()->fMatrix.setScale(1.2f, 0.8f);
matrices.top().fLabel = "Scale";
matrices.append()->fMatrix.setRotate(10.f);
matrices.top().fLabel = "Rotate";
matrices.append()->fMatrix.reset();
matrices.top().fMatrix.setPerspX(-0.0015f);
matrices.top().fMatrix.setPerspY(+0.0015f);
matrices.top().fLabel = "Persp";
SkTDArray<LabeledMatrix> localMatrices;
localMatrices.append()->fMatrix.reset();
localMatrices.top().fLabel = "Identity";
localMatrices.append()->fMatrix.setScale(2.5f, 0.2f);
localMatrices.top().fLabel = "Scale";
localMatrices.append()->fMatrix.setRotate(45.f);
localMatrices.top().fLabel = "Rotate";
localMatrices.append()->fMatrix.reset();
localMatrices.top().fMatrix.setPerspX(-0.007f);
localMatrices.top().fMatrix.setPerspY(+0.008f);
localMatrices.top().fLabel = "Persp";
static SkBitmap bmp;
if (bmp.isNull()) {
makebm(&bmp, kPointSize / 2, kPointSize / 2);
}
SkPaint fillPaint;
fillPaint.setAntiAlias(true);
sk_tool_utils::set_portable_typeface_always(&fillPaint);
fillPaint.setTextSize(SkIntToScalar(kPointSize));
fillPaint.setFilterQuality(kLow_SkFilterQuality);
SkPaint outlinePaint;
outlinePaint.setAntiAlias(true);
sk_tool_utils::set_portable_typeface_always(&outlinePaint);
outlinePaint.setTextSize(SkIntToScalar(kPointSize));
outlinePaint.setStyle(SkPaint::kStroke_Style);
outlinePaint.setStrokeWidth(0.f);
SkScalar w = fillPaint.measureText(kText, kTextLen);
static SkScalar kPadY = 0.5f * kPointSize;
static SkScalar kPadX = 1.5f * kPointSize;
SkPaint strokePaint(fillPaint);
strokePaint.setStyle(SkPaint::kStroke_Style);
strokePaint.setStrokeWidth(kPointSize * 0.1f);
SkPaint labelPaint;
labelPaint.setColor(0xff000000);
labelPaint.setAntiAlias(true);
sk_tool_utils::set_portable_typeface_always(&labelPaint);
labelPaint.setTextSize(12.f);
canvas->translate(15.f, 15.f);
canvas->drawBitmap(bmp, 0, 0);
canvas->translate(0, bmp.height() + labelPaint.getTextSize() + 15.f);
static const char kLabelLabel[] = "localM / canvasM";
canvas->drawText(kLabelLabel, strlen(kLabelLabel), 0, 0, labelPaint);
canvas->translate(0, 15.f);
canvas->save();
SkScalar maxLabelW = 0;
canvas->translate(0, kPadY / 2 + kPointSize);
for (int lm = 0; lm < localMatrices.count(); ++lm) {
canvas->drawText(matrices[lm].fLabel, strlen(matrices[lm].fLabel),
0, labelPaint.getTextSize() - 1, labelPaint);
SkScalar labelW = labelPaint.measureText(matrices[lm].fLabel,
strlen(matrices[lm].fLabel));
maxLabelW = SkMaxScalar(maxLabelW, labelW);
canvas->translate(0.f, 2 * kPointSize + 2.5f * kPadY);
}
canvas->restore();
canvas->translate(maxLabelW + kPadX / 2.f, 0.f);
for (int s = 0; s < 2; ++s) {
SkPaint& paint = s ? strokePaint : fillPaint;
SkScalar columnH = 0;
for (int m = 0; m < matrices.count(); ++m) {
columnH = 0;
canvas->save();
canvas->drawText(matrices[m].fLabel, strlen(matrices[m].fLabel),
0, labelPaint.getTextSize() - 1, labelPaint);
canvas->translate(0, kPadY / 2 + kPointSize);
columnH += kPadY / 2 + kPointSize;
for (int lm = 0; lm < localMatrices.count(); ++lm) {
paint.setShader(
SkShader::CreateBitmapShader(bmp,
SkShader::kMirror_TileMode,
SkShader::kRepeat_TileMode,
&localMatrices[lm].fMatrix))->unref();
canvas->save();
canvas->concat(matrices[m].fMatrix);
canvas->drawText(kText, kTextLen, 0, 0, paint);
canvas->drawText(kText, kTextLen, 0, 0, outlinePaint);
canvas->restore();
SkPath path;
path.arcTo(SkRect::MakeXYWH(-0.1f * w, 0.f,
1.2f * w, 2.f * kPointSize),
225.f, 359.f,
false);
path.close();
canvas->translate(0.f, kPointSize + kPadY);
columnH += kPointSize + kPadY;
canvas->save();
canvas->concat(matrices[m].fMatrix);
canvas->drawTextOnPath(kText, kTextLen, path, NULL, paint);
canvas->drawTextOnPath(kText, kTextLen, path, NULL, outlinePaint);
canvas->restore();
SkPaint stroke;
stroke.setStyle(SkPaint::kStroke_Style);
canvas->translate(0.f, kPointSize + kPadY);
columnH += kPointSize + kPadY;
}
canvas->restore();
canvas->translate(w + kPadX, 0.f);
}
if (0 == s) {
canvas->drawLine(0.f, -kPadY, 0.f, columnH + kPadY, outlinePaint);
canvas->translate(kPadX / 2, 0.f);
static const char kFillLabel[] = "Filled";
static const char kStrokeLabel[] = "Stroked";
SkScalar y = columnH + kPadY / 2;
SkScalar fillX = -outlinePaint.measureText(kFillLabel, strlen(kFillLabel)) - kPadX;
SkScalar strokeX = kPadX;
canvas->drawText(kFillLabel, strlen(kFillLabel), fillX, y, labelPaint);
canvas->drawText(kStrokeLabel, strlen(kStrokeLabel), strokeX, y, labelPaint);
}
}
}
void onDraw(SkCanvas* canvas) override {
float scale = 32.f/kPOTSize;
int size = fPowerOfTwoSize ? kPOTSize : kNPOTSize;
SkRect r = { 0, 0, SkIntToScalar(size*2), SkIntToScalar(size*2) };
const char* gColorTypeNames[] = { "8888" , "565", "4444" };
constexpr SkFilterQuality gFilterQualitys[] =
{ kNone_SkFilterQuality,
kLow_SkFilterQuality,
kMedium_SkFilterQuality,
kHigh_SkFilterQuality };
const char* gFilterNames[] = { "None", "Low", "Medium", "High" };
constexpr SkShader::TileMode gModes[] = {
SkShader::kClamp_TileMode, SkShader::kRepeat_TileMode, SkShader::kMirror_TileMode };
const char* gModeNames[] = { "C", "R", "M" };
SkScalar y = SkIntToScalar(24);
SkScalar x = SkIntToScalar(10)/scale;
for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) {
for (size_t ky = 0; ky < SK_ARRAY_COUNT(gModes); ky++) {
SkPaint p;
SkString str;
p.setAntiAlias(true);
sk_tool_utils::set_portable_typeface(&p);
str.printf("[%s,%s]", gModeNames[kx], gModeNames[ky]);
p.setTextAlign(SkPaint::kCenter_Align);
canvas->drawText(str.c_str(), str.size(), scale*(x + r.width()/2), y, p);
x += r.width() * 4 / 3;
}
}
y = SkIntToScalar(40) / scale;
for (size_t i = 0; i < SK_ARRAY_COUNT(gColorTypes); i++) {
for (size_t j = 0; j < SK_ARRAY_COUNT(gFilterQualitys); j++) {
x = SkIntToScalar(10)/scale;
for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) {
for (size_t ky = 0; ky < SK_ARRAY_COUNT(gModes); ky++) {
SkPaint paint;
#if 1 // Temporary change to regen bitmap before each draw. This may help tracking down an issue
// on SGX where resizing NPOT textures to POT textures exhibits a driver bug.
if (!fPowerOfTwoSize) {
makebm(&fTexture[i], gColorTypes[i], size, size);
}
#endif
setup(&paint, fTexture[i], gFilterQualitys[j], gModes[kx], gModes[ky]);
paint.setDither(true);
canvas->save();
canvas->scale(scale,scale);
canvas->translate(x, y);
canvas->drawRect(r, paint);
canvas->restore();
x += r.width() * 4 / 3;
}
}
{
SkPaint p;
SkString str;
p.setAntiAlias(true);
sk_tool_utils::set_portable_typeface(&p);
str.printf("%s, %s", gColorTypeNames[i], gFilterNames[j]);
canvas->drawText(str.c_str(), str.size(), scale*x, scale*(y + r.height() * 2 / 3), p);
}
y += r.height() * 4 / 3;
}
}
}
void onOnceBeforeDraw() override {
int size = fPowerOfTwoSize ? kPOTSize : kNPOTSize;
for (size_t i = 0; i < SK_ARRAY_COUNT(gColorTypes); i++) {
makebm(&fTexture[i], gColorTypes[i], size, size);
}
}
static sk_sp<SkShader> make_bm(SkShader::TileMode tx, SkShader::TileMode ty) {
SkBitmap bm;
makebm(&bm, kN32_SkColorType, gWidth, gHeight);
return SkShader::MakeBitmapShader(bm, tx, ty);
}
void onDraw(SkCanvas* canvas) override {
const char text[] = "Shaded Text";
const int textLen = SK_ARRAY_COUNT(text) - 1;
const int pointSize = 36;
const int w = pointSize * textLen;
const int h = pointSize;
SkPoint pts[2] = {
{ 0, 0 },
{ SkIntToScalar(w), SkIntToScalar(h) }
};
SkScalar textBase = SkIntToScalar(h/2);
SkShader::TileMode tileModes[] = {
SkShader::kClamp_TileMode,
SkShader::kRepeat_TileMode,
SkShader::kMirror_TileMode
};
static const int gradCount = SK_ARRAY_COUNT(gGradData) *
SK_ARRAY_COUNT(gGradMakers);
static const int bmpCount = SK_ARRAY_COUNT(tileModes) *
SK_ARRAY_COUNT(tileModes);
sk_sp<SkShader> shaders[gradCount + bmpCount];
int shdIdx = 0;
for (size_t d = 0; d < SK_ARRAY_COUNT(gGradData); ++d) {
for (size_t m = 0; m < SK_ARRAY_COUNT(gGradMakers); ++m) {
shaders[shdIdx++] = gGradMakers[m](pts,
gGradData[d],
SkShader::kClamp_TileMode);
}
}
SkBitmap bm;
makebm(&bm, w/16, h/4);
for (size_t tx = 0; tx < SK_ARRAY_COUNT(tileModes); ++tx) {
for (size_t ty = 0; ty < SK_ARRAY_COUNT(tileModes); ++ty) {
shaders[shdIdx++] = SkShader::MakeBitmapShader(bm, tileModes[tx], tileModes[ty]);
}
}
SkPaint paint;
paint.setDither(true);
paint.setAntiAlias(true);
sk_tool_utils::set_portable_typeface(&paint);
paint.setTextSize(SkIntToScalar(pointSize));
canvas->save();
canvas->translate(SkIntToScalar(20), SkIntToScalar(10));
SkPath path;
path.arcTo(SkRect::MakeXYWH(SkIntToScalar(-40), SkIntToScalar(15),
SkIntToScalar(300), SkIntToScalar(90)),
SkIntToScalar(225), SkIntToScalar(90),
false);
path.close();
static const int testsPerCol = 8;
static const int rowHeight = 60;
static const int colWidth = 300;
canvas->save();
for (int s = 0; s < static_cast<int>(SK_ARRAY_COUNT(shaders)); s++) {
canvas->save();
int i = 2*s;
canvas->translate(SkIntToScalar((i / testsPerCol) * colWidth),
SkIntToScalar((i % testsPerCol) * rowHeight));
paint.setShader(shaders[s]);
canvas->drawText(text, textLen, 0, textBase, paint);
canvas->restore();
canvas->save();
++i;
canvas->translate(SkIntToScalar((i / testsPerCol) * colWidth),
SkIntToScalar((i % testsPerCol) * rowHeight));
canvas->drawTextOnPath(text, textLen, path, nullptr, paint);
canvas->restore();
}
canvas->restore();
}
void onDraw(SkCanvas* canvas) override {
int size = fPowerOfTwoSize ? kPOTSize : kNPOTSize;
SkRect r = { 0, 0, SkIntToScalar(size*2), SkIntToScalar(size*2) };
static const char* gConfigNames[] = { "8888", "565", "4444" };
static const bool gFilters[] = { false, true };
static const char* gFilterNames[] = { "point", "bilinear" };
static const SkShader::TileMode gModes[] = { SkShader::kClamp_TileMode, SkShader::kRepeat_TileMode, SkShader::kMirror_TileMode };
static const char* gModeNames[] = { "C", "R", "M" };
SkScalar y = SkIntToScalar(24);
SkScalar x = SkIntToScalar(10);
for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) {
for (size_t ky = 0; ky < SK_ARRAY_COUNT(gModes); ky++) {
SkPaint p;
SkString str;
p.setAntiAlias(true);
sk_tool_utils::set_portable_typeface_always(&p);
p.setDither(true);
str.printf("[%s,%s]", gModeNames[kx], gModeNames[ky]);
p.setTextAlign(SkPaint::kCenter_Align);
canvas->drawText(str.c_str(), str.size(), x + r.width()/2, y, p);
x += r.width() * 4 / 3;
}
}
y += SkIntToScalar(16);
for (size_t i = 0; i < SK_ARRAY_COUNT(gColorTypes); i++) {
for (size_t j = 0; j < SK_ARRAY_COUNT(gFilters); j++) {
x = SkIntToScalar(10);
for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) {
for (size_t ky = 0; ky < SK_ARRAY_COUNT(gModes); ky++) {
SkPaint paint;
#if 1 // Temporary change to regen bitmap before each draw. This may help tracking down an issue
// on SGX where resizing NPOT textures to POT textures exhibits a driver bug.
if (!fPowerOfTwoSize) {
makebm(&fTexture[i], gColorTypes[i], size, size);
}
#endif
setup(&paint, fTexture[i], gFilters[j], gModes[kx], gModes[ky]);
paint.setDither(true);
canvas->save();
canvas->translate(x, y);
canvas->drawRect(r, paint);
canvas->restore();
x += r.width() * 4 / 3;
}
}
{
SkPaint p;
SkString str;
p.setAntiAlias(true);
sk_tool_utils::set_portable_typeface_always(&p);
str.printf("%s, %s", gConfigNames[i], gFilterNames[j]);
canvas->drawText(str.c_str(), str.size(), x, y + r.height() * 2 / 3, p);
}
y += r.height() * 4 / 3;
}
}
}
void setupImage(SkCanvas* canvas) {
fImage = makebm(canvas, &fLargeBitmap, gBmpSize, gBmpSize);
}
virtual void onDraw(SkCanvas* canvas) {
static const int kBmpSize = 2048;
if (fLargeBitmap.isNull()) {
makebm(&fLargeBitmap, kBmpSize, kBmpSize);
}
SkRect dstRect = { 0, 0, SkIntToScalar(64), SkIntToScalar(64)};
static const int kMaxSrcRectSize = 1 << (SkNextLog2(kBmpSize) + 2);
static const int kPadX = 30;
static const int kPadY = 40;
SkPaint paint;
paint.setAlpha(0x20);
canvas->drawBitmapRect(fLargeBitmap, NULL,
SkRect::MakeWH(gSize * SK_Scalar1,
gSize * SK_Scalar1),
&paint);
canvas->translate(SK_Scalar1 * kPadX / 2,
SK_Scalar1 * kPadY / 2);
SkPaint blackPaint;
SkScalar titleHeight = SK_Scalar1 * 24;
blackPaint.setColor(SK_ColorBLACK);
blackPaint.setTextSize(titleHeight);
blackPaint.setAntiAlias(true);
SkString title;
title.printf("Bitmap size: %d x %d", kBmpSize, kBmpSize);
canvas->drawText(title.c_str(), title.size(), 0,
titleHeight, blackPaint);
canvas->translate(0, SK_Scalar1 * kPadY / 2 + titleHeight);
int rowCount = 0;
canvas->save();
for (int w = 1; w <= kMaxSrcRectSize; w *= 4) {
for (int h = 1; h <= kMaxSrcRectSize; h *= 4) {
SkIRect srcRect = SkIRect::MakeXYWH((kBmpSize - w) / 2,
(kBmpSize - h) / 2,
w, h);
canvas->drawBitmapRect(fLargeBitmap, &srcRect, dstRect);
SkString label;
label.appendf("%d x %d", w, h);
blackPaint.setAntiAlias(true);
blackPaint.setStyle(SkPaint::kFill_Style);
blackPaint.setTextSize(SK_Scalar1 * 10);
SkScalar baseline = dstRect.height() +
blackPaint.getTextSize() + SK_Scalar1 * 3;
canvas->drawText(label.c_str(), label.size(),
0, baseline,
blackPaint);
blackPaint.setStyle(SkPaint::kStroke_Style);
blackPaint.setStrokeWidth(SK_Scalar1);
blackPaint.setAntiAlias(false);
canvas->drawRect(dstRect, blackPaint);
canvas->translate(dstRect.width() + SK_Scalar1 * kPadX, 0);
++rowCount;
if ((dstRect.width() + kPadX) * rowCount > gSize) {
canvas->restore();
canvas->translate(0, dstRect.height() + SK_Scalar1 * kPadY);
canvas->save();
rowCount = 0;
}
}
}
{
// test the following code path:
// SkGpuDevice::drawPath() -> SkGpuDevice::drawWithMaskFilter()
SkIRect srcRect;
SkPaint paint;
SkBitmap bm;
bm = make_chessbm(5, 5);
paint.setFilterLevel(SkPaint::kLow_FilterLevel);
srcRect.setXYWH(1, 1, 3, 3);
SkMaskFilter* mf = SkBlurMaskFilter::Create(
kNormal_SkBlurStyle,
SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(5)),
SkBlurMaskFilter::kHighQuality_BlurFlag |
SkBlurMaskFilter::kIgnoreTransform_BlurFlag);
paint.setMaskFilter(mf)->unref();
canvas->drawBitmapRect(bm, &srcRect, dstRect, &paint);
}
}