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-rw-r--r--expectations/gm/Test-Ubuntu13.10-ShuttleA-NoGPU-x86_64-Debug/expected-results.json3
-rw-r--r--gm/glyph_pos.cpp204
-rw-r--r--gyp/gmslides.gypi1
-rw-r--r--include/core/SkPaint.h3
-rw-r--r--src/core/SkPaint.cpp12
5 files changed, 209 insertions, 14 deletions
diff --git a/expectations/gm/Test-Ubuntu13.10-ShuttleA-NoGPU-x86_64-Debug/expected-results.json b/expectations/gm/Test-Ubuntu13.10-ShuttleA-NoGPU-x86_64-Debug/expected-results.json
index 09d6c5810e..30558811de 100644
--- a/expectations/gm/Test-Ubuntu13.10-ShuttleA-NoGPU-x86_64-Debug/expected-results.json
+++ b/expectations/gm/Test-Ubuntu13.10-ShuttleA-NoGPU-x86_64-Debug/expected-results.json
@@ -9210,6 +9210,7 @@
5483462587049856153
]
],
+ "ignore-failure": true,
"reviewed-by-human": true
},
"shadertext3_565.png": {
@@ -10860,4 +10861,4 @@
"reviewed-by-human": false
}
}
-} \ No newline at end of file
+}
diff --git a/gm/glyph_pos.cpp b/gm/glyph_pos.cpp
new file mode 100644
index 0000000000..b0451016ac
--- /dev/null
+++ b/gm/glyph_pos.cpp
@@ -0,0 +1,204 @@
+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "gm.h"
+#include "SkCanvas.h"
+#include "SkTypeface.h"
+
+/* This test tries to define the effect of using hairline strokes on text.
+ * Provides non-hairline images for reference and consistency checks.
+ * glyph_pos_(h/n)_(s/f/b)
+ * -> test hairline/non-hairline stroke/fill/stroke+fill.
+ */
+static const SkScalar kTextHeight = 14.0f;
+static const char kText[] = "Proportional Hamburgefons #% fi";
+
+namespace skiagm {
+
+class GlyphPosGM : public GM {
+public:
+ GlyphPosGM(SkScalar strokeWidth, SkPaint::Style strokeStyle)
+ : fStrokeWidth(strokeWidth)
+ , fStrokeStyle(strokeStyle) {
+ }
+
+protected:
+ virtual uint32_t onGetFlags() const SK_OVERRIDE {
+ return kSkipTiled_Flag;
+ }
+
+ virtual SkString onShortName() SK_OVERRIDE {
+ SkString str("glyph_pos");
+ if (fStrokeWidth == 0.0f) {
+ str.append("_h"); // h == Hairline.
+ } else {
+ str.append("_n"); // n == Normal.
+ }
+ if (fStrokeStyle == SkPaint::kStroke_Style) {
+ str.append("_s");
+ } else if (fStrokeStyle == SkPaint::kFill_Style) {
+ str.append("_f");
+ } else {
+ str.append("_b"); // b == Both.
+ }
+ return str;
+ }
+
+ virtual SkISize onISize() { return SkISize::Make(800, 600); }
+
+ virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+ if (!fProp) {
+ fProp.reset(SkTypeface::CreateFromName("Helvetica", SkTypeface::kNormal));
+ }
+
+ // There's a black pixel at 40, 40 for reference.
+ canvas->drawPoint(40.0f, 40.0f, SK_ColorBLACK);
+
+ // Two reference images.
+ canvas->translate(50.0f, 50.0f);
+ drawTestCase(canvas, 1.0f);
+
+ canvas->translate(0.0f, 50.0f);
+ drawTestCase(canvas, 3.0f);
+
+ // Uniform scaling test.
+ canvas->translate(0.0f, 100.0f);
+ canvas->save();
+ canvas->scale(3.0f, 3.0f);
+ drawTestCase(canvas, 1.0f);
+ canvas->restore();
+
+ // Non-uniform scaling test.
+ canvas->translate(0.0f, 100.0f);
+ canvas->save();
+ canvas->scale(3.0f, 6.0f);
+ drawTestCase(canvas, 1.0f);
+ canvas->restore();
+
+ // Skew test.
+ canvas->translate(0.0f, 80.0f);
+ canvas->save();
+ canvas->scale(3.0f, 3.0f);
+ SkMatrix skew;
+ skew.setIdentity();
+ skew.setSkewX(SkScalarDiv(8.0f,
+ 25.0f));
+ skew.setSkewY(SkScalarDiv(2.0f,
+ 25.0f));
+ canvas->concat(skew);
+ drawTestCase(canvas, 1.0f);
+ canvas->restore();
+
+ // Perspective test.
+ canvas->translate(0.0f, 80.0f);
+ canvas->save();
+ SkMatrix perspective;
+ perspective.setIdentity();
+ perspective.setPerspX(-SkScalarDiv(SK_Scalar1, 340.0f));
+ perspective.setSkewX(SkScalarDiv(8.0f,
+ 25.0f));
+ perspective.setSkewY(SkScalarDiv(2.0f,
+ 25.0f));
+
+
+ canvas->concat(perspective);
+ drawTestCase(canvas, 1.0f);
+ canvas->restore();
+ }
+
+ void drawTestCase(SkCanvas* canvas, SkScalar textScale) {
+ SkPaint paint;
+ paint.setColor(SK_ColorBLACK);
+ paint.setAntiAlias(true);
+ paint.setTextSize(kTextHeight * textScale);
+ paint.setTypeface(fProp);
+ paint.setDevKernText(true);
+ paint.setStrokeWidth(fStrokeWidth);
+ paint.setStyle(fStrokeStyle);
+
+ // This demonstrates that we can not measure the text if there's a device transform. The
+ // canvas total matrix will end up being a device transform.
+ bool drawRef = !(canvas->getTotalMatrix().getType() &
+ ~(SkMatrix::kIdentity_Mask | SkMatrix::kTranslate_Mask));
+
+ SkRect bounds;
+ if (drawRef) {
+ SkScalar advance = paint.measureText(kText, sizeof(kText) - 1, &bounds);
+
+ paint.setStrokeWidth(0.0f);
+ paint.setStyle(SkPaint::kStroke_Style);
+
+ // Green box is the measured text bounds.
+ paint.setColor(SK_ColorGREEN);
+ canvas->drawRect(bounds, paint);
+
+ // Red line is the measured advance from the 0,0 of the text position.
+ paint.setColor(SK_ColorRED);
+ canvas->drawLine(0.0f, 0.0f, advance, 0.0f, paint);
+ }
+
+ // Black text is the testcase, eg. the text.
+ paint.setColor(SK_ColorBLACK);
+ paint.setStrokeWidth(fStrokeWidth);
+ paint.setStyle(fStrokeStyle);
+ canvas->drawText(kText, sizeof(kText) - 1, 0.0f, 0.0f, paint);
+
+ if (drawRef) {
+ SkScalar widths[sizeof(kText) - 1];
+ paint.getTextWidths(kText, sizeof(kText) - 1, widths, NULL);
+
+ paint.setStrokeWidth(0.0f);
+ paint.setStyle(SkPaint::kStroke_Style);
+
+ // Magenta lines are the positions for the characters.
+ paint.setColor(SK_ColorMAGENTA);
+ SkScalar w = bounds.x();
+ for (size_t i = 0; i < sizeof(kText) - 1; ++i) {
+ canvas->drawLine(w, 0.0f, w, 5.0f, paint);
+ w += widths[i];
+ }
+ }
+ }
+
+private:
+ SkAutoTUnref<SkTypeface> fProp;
+ SkScalar fStrokeWidth;
+ SkPaint::Style fStrokeStyle;
+
+ typedef GM INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+static GM* GlyphPosHairlineStrokeAndFillFactory(void*) {
+ return new GlyphPosGM(0.0f, SkPaint::kStrokeAndFill_Style);
+}
+static GM* GlyphPosStrokeAndFillFactory(void*) {
+ return new GlyphPosGM(1.2f, SkPaint::kStrokeAndFill_Style);
+}
+static GM* GlyphPosHairlineStrokeFactory(void*) {
+ return new GlyphPosGM(0.0f, SkPaint::kStroke_Style);
+}
+static GM* GlyphPosStrokeFactory(void*) {
+ return new GlyphPosGM(1.2f, SkPaint::kStroke_Style);
+}
+static GM* GlyphPosHairlineFillFactory(void*) {
+ return new GlyphPosGM(0.0f, SkPaint::kFill_Style);
+}
+static GM* GlyphPosFillFactory(void*) {
+ return new GlyphPosGM(1.2f, SkPaint::kFill_Style);
+}
+
+static GMRegistry reg1(GlyphPosHairlineStrokeAndFillFactory);
+static GMRegistry reg2(GlyphPosStrokeAndFillFactory);
+static GMRegistry reg3(GlyphPosHairlineStrokeFactory);
+static GMRegistry reg4(GlyphPosStrokeFactory);
+static GMRegistry reg5(GlyphPosHairlineFillFactory);
+static GMRegistry reg6(GlyphPosFillFactory);
+
+
+}
diff --git a/gyp/gmslides.gypi b/gyp/gmslides.gypi
index 18e589b3f4..694ec72f40 100644
--- a/gyp/gmslides.gypi
+++ b/gyp/gmslides.gypi
@@ -83,6 +83,7 @@
'../gm/gammatext.cpp',
'../gm/getpostextpath.cpp',
'../gm/giantbitmap.cpp',
+ '../gm/glyph_pos.cpp',
'../gm/gradients.cpp',
'../gm/gradients_2pt_conical.cpp',
'../gm/gradients_no_texture.cpp',
diff --git a/include/core/SkPaint.h b/include/core/SkPaint.h
index f766ca1c7f..a73faec42e 100644
--- a/include/core/SkPaint.h
+++ b/include/core/SkPaint.h
@@ -1117,9 +1117,6 @@ private:
static bool TooBigToUseCache(const SkMatrix& ctm, const SkMatrix& textM);
- bool tooBigToUseCache() const;
- bool tooBigToUseCache(const SkMatrix& ctm) const;
-
// Set flags/hinting/textSize up to use for drawing text as paths.
// Returns scale factor to restore the original textSize, since will will
// have change it to kCanonicalTextSizeForPaths.
diff --git a/src/core/SkPaint.cpp b/src/core/SkPaint.cpp
index 16d8bb2e4e..86b54f22c8 100644
--- a/src/core/SkPaint.cpp
+++ b/src/core/SkPaint.cpp
@@ -11,6 +11,7 @@
#include "SkColorFilter.h"
#include "SkData.h"
#include "SkDeviceProperties.h"
+#include "SkDraw.h"
#include "SkFontDescriptor.h"
#include "SkFontHost.h"
#include "SkGlyphCache.h"
@@ -506,15 +507,6 @@ bool SkPaint::TooBigToUseCache(const SkMatrix& ctm, const SkMatrix& textM) {
return tooBig(matrix, MaxCacheSize2());
}
-bool SkPaint::tooBigToUseCache(const SkMatrix& ctm) const {
- SkMatrix textM;
- return TooBigToUseCache(ctm, *this->setTextMatrix(&textM));
-}
-
-bool SkPaint::tooBigToUseCache() const {
- SkMatrix textM;
- return tooBig(*this->setTextMatrix(&textM), MaxCacheSize2());
-}
///////////////////////////////////////////////////////////////////////////////
@@ -997,7 +989,7 @@ SkScalar SkPaint::setupForAsPaths() {
class SkCanonicalizePaint {
public:
SkCanonicalizePaint(const SkPaint& paint) : fPaint(&paint), fScale(0) {
- if (paint.isLinearText() || paint.tooBigToUseCache()) {
+ if (paint.isLinearText() || SkDraw::ShouldDrawTextAsPaths(paint, SkMatrix::I())) {
SkPaint* p = fLazy.set(paint);
fScale = p->setupForAsPaths();
fPaint = p;
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-02 12:23:15 +0000