992c7b03ef
Allow GM results to be compared across machines and platforms by standardizing the fonts used by all tests. This adds runtime flags to DM to use either the system font context (the default), the fonts in the resources directory ( --resourceFonts ) or a set of canonical paths generated from the fonts ( --portableFonts ). This CL should leave the current DM results unchanged by default. If the portable font data or resource font is missing when DM is run, it falls back to using the system font context. The create_test_font tool generates the paths and metrics read by DM with the --portableFonts flag set, and generates the font substitution tables read by DM with the --resourceFonts flag set. If DM is run in SkDebug mode with the --reportUsedChars flag set, it generates the corresponding data compiled into the create_test_font tool. All GM tests set their typeface information by calling either sk_tool_utils::set_portable_typeface or sk_tool_utils::portable_typeface . (The former takes the paint, the latter returns a SkTypeface.) These calls can be removed in the future when the Font Manager can be superceded. BUG=skia:2687 R=mtklein@google.com Review URL: https://codereview.chromium.org/407183003
270 lines
8.6 KiB
C++
270 lines
8.6 KiB
C++
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/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm.h"
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#include "SkPath.h"
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#include "SkRegion.h"
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#include "SkShader.h"
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#include "SkUtils.h"
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#include "SkColorPriv.h"
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#include "SkColorFilter.h"
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#include "SkTypeface.h"
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// effects
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#include "SkGradientShader.h"
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#include "SkBlurDrawLooper.h"
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static void makebm(SkBitmap* bm, SkColorType ct, int w, int h) {
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bm->allocPixels(SkImageInfo::Make(w, h, ct, kPremul_SkAlphaType));
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bm->eraseColor(SK_ColorTRANSPARENT);
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SkCanvas canvas(*bm);
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SkPoint pts[] = { { 0, 0 }, { SkIntToScalar(w), SkIntToScalar(h)} };
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SkColor colors[] = { SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE };
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SkScalar pos[] = { 0, SK_Scalar1/2, SK_Scalar1 };
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SkPaint paint;
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paint.setDither(true);
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paint.setShader(SkGradientShader::CreateLinear(pts, colors, pos,
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SK_ARRAY_COUNT(colors), SkShader::kClamp_TileMode))->unref();
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canvas.drawPaint(paint);
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}
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static void setup(SkPaint* paint, const SkBitmap& bm, bool filter,
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SkShader::TileMode tmx, SkShader::TileMode tmy) {
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SkShader* shader = SkShader::CreateBitmapShader(bm, tmx, tmy);
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paint->setShader(shader)->unref();
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paint->setFilterLevel(filter ? SkPaint::kLow_FilterLevel : SkPaint::kNone_FilterLevel);
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}
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static const SkColorType gColorTypes[] = {
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kN32_SkColorType,
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kRGB_565_SkColorType,
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};
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class TilingGM : public skiagm::GM {
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public:
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TilingGM(bool powerOfTwoSize)
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: fPowerOfTwoSize(powerOfTwoSize) {
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}
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SkBitmap fTexture[SK_ARRAY_COUNT(gColorTypes)];
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protected:
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enum {
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kPOTSize = 32,
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kNPOTSize = 21,
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};
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SkString onShortName() {
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SkString name("tilemodes");
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if (!fPowerOfTwoSize) {
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name.append("_npot");
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}
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return name;
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}
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SkISize onISize() { return SkISize::Make(880, 560); }
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virtual void onOnceBeforeDraw() SK_OVERRIDE {
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int size = fPowerOfTwoSize ? kPOTSize : kNPOTSize;
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for (size_t i = 0; i < SK_ARRAY_COUNT(gColorTypes); i++) {
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makebm(&fTexture[i], gColorTypes[i], size, size);
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}
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}
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virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
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int size = fPowerOfTwoSize ? kPOTSize : kNPOTSize;
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SkRect r = { 0, 0, SkIntToScalar(size*2), SkIntToScalar(size*2) };
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static const char* gConfigNames[] = { "8888", "565", "4444" };
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static const bool gFilters[] = { false, true };
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static const char* gFilterNames[] = { "point", "bilinear" };
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static const SkShader::TileMode gModes[] = { SkShader::kClamp_TileMode, SkShader::kRepeat_TileMode, SkShader::kMirror_TileMode };
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static const char* gModeNames[] = { "C", "R", "M" };
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SkScalar y = SkIntToScalar(24);
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SkScalar x = SkIntToScalar(10);
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for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) {
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for (size_t ky = 0; ky < SK_ARRAY_COUNT(gModes); ky++) {
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SkPaint p;
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SkString str;
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p.setAntiAlias(true);
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sk_tool_utils::set_portable_typeface(&p);
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p.setDither(true);
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str.printf("[%s,%s]", gModeNames[kx], gModeNames[ky]);
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p.setTextAlign(SkPaint::kCenter_Align);
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canvas->drawText(str.c_str(), str.size(), x + r.width()/2, y, p);
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x += r.width() * 4 / 3;
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}
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}
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y += SkIntToScalar(16);
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for (size_t i = 0; i < SK_ARRAY_COUNT(gColorTypes); i++) {
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for (size_t j = 0; j < SK_ARRAY_COUNT(gFilters); j++) {
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x = SkIntToScalar(10);
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for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) {
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for (size_t ky = 0; ky < SK_ARRAY_COUNT(gModes); ky++) {
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SkPaint paint;
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#if 1 // Temporary change to regen bitmap before each draw. This may help tracking down an issue
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// on SGX where resizing NPOT textures to POT textures exhibits a driver bug.
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if (!fPowerOfTwoSize) {
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makebm(&fTexture[i], gColorTypes[i], size, size);
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}
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#endif
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setup(&paint, fTexture[i], gFilters[j], gModes[kx], gModes[ky]);
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paint.setDither(true);
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canvas->save();
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canvas->translate(x, y);
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canvas->drawRect(r, paint);
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canvas->restore();
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x += r.width() * 4 / 3;
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}
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}
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{
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SkPaint p;
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SkString str;
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p.setAntiAlias(true);
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sk_tool_utils::set_portable_typeface(&p);
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str.printf("%s, %s", gConfigNames[i], gFilterNames[j]);
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canvas->drawText(str.c_str(), str.size(), x, y + r.height() * 2 / 3, p);
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}
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y += r.height() * 4 / 3;
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}
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}
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}
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private:
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bool fPowerOfTwoSize;
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typedef skiagm::GM INHERITED;
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};
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static const int gWidth = 32;
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static const int gHeight = 32;
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static SkShader* make_bm(SkShader::TileMode tx, SkShader::TileMode ty) {
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SkBitmap bm;
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makebm(&bm, kN32_SkColorType, gWidth, gHeight);
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return SkShader::CreateBitmapShader(bm, tx, ty);
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}
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static SkShader* make_grad(SkShader::TileMode tx, SkShader::TileMode ty) {
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SkPoint pts[] = { { 0, 0 }, { SkIntToScalar(gWidth), SkIntToScalar(gHeight)} };
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SkPoint center = { SkIntToScalar(gWidth)/2, SkIntToScalar(gHeight)/2 };
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SkScalar rad = SkIntToScalar(gWidth)/2;
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SkColor colors[] = { 0xFFFF0000, 0xFF0044FF };
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int index = (int)ty;
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switch (index % 3) {
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case 0:
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return SkGradientShader::CreateLinear(pts, colors, NULL, SK_ARRAY_COUNT(colors), tx);
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case 1:
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return SkGradientShader::CreateRadial(center, rad, colors, NULL, SK_ARRAY_COUNT(colors), tx);
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case 2:
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return SkGradientShader::CreateSweep(center.fX, center.fY, colors, NULL, SK_ARRAY_COUNT(colors));
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}
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return NULL;
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}
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typedef SkShader* (*ShaderProc)(SkShader::TileMode, SkShader::TileMode);
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class Tiling2GM : public skiagm::GM {
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ShaderProc fProc;
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SkString fName;
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public:
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Tiling2GM(ShaderProc proc, const char name[]) : fProc(proc) {
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fName.printf("tilemode_%s", name);
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}
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protected:
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virtual uint32_t onGetFlags() const SK_OVERRIDE {
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return kSkipTiled_Flag;
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}
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SkString onShortName() {
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return fName;
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}
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SkISize onISize() { return SkISize::Make(880, 560); }
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virtual void onDraw(SkCanvas* canvas) {
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canvas->scale(SkIntToScalar(3)/2, SkIntToScalar(3)/2);
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const SkScalar w = SkIntToScalar(gWidth);
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const SkScalar h = SkIntToScalar(gHeight);
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SkRect r = { -w, -h, w*2, h*2 };
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static const SkShader::TileMode gModes[] = {
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SkShader::kClamp_TileMode, SkShader::kRepeat_TileMode, SkShader::kMirror_TileMode
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};
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static const char* gModeNames[] = {
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"Clamp", "Repeat", "Mirror"
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};
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SkScalar y = SkIntToScalar(24);
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SkScalar x = SkIntToScalar(66);
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SkPaint p;
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p.setAntiAlias(true);
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sk_tool_utils::set_portable_typeface(&p);
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p.setTextAlign(SkPaint::kCenter_Align);
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for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) {
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SkString str(gModeNames[kx]);
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canvas->drawText(str.c_str(), str.size(), x + r.width()/2, y, p);
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x += r.width() * 4 / 3;
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}
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y += SkIntToScalar(16) + h;
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p.setTextAlign(SkPaint::kRight_Align);
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for (size_t ky = 0; ky < SK_ARRAY_COUNT(gModes); ky++) {
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x = SkIntToScalar(16) + w;
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SkString str(gModeNames[ky]);
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canvas->drawText(str.c_str(), str.size(), x, y + h/2, p);
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x += SkIntToScalar(50);
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for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) {
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SkPaint paint;
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paint.setShader(fProc(gModes[kx], gModes[ky]))->unref();
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canvas->save();
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canvas->translate(x, y);
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canvas->drawRect(r, paint);
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canvas->restore();
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x += r.width() * 4 / 3;
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}
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y += r.height() * 4 / 3;
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}
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}
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private:
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typedef skiagm::GM INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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DEF_GM( return new TilingGM(true); )
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DEF_GM( return new TilingGM(false); )
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DEF_GM( return new Tiling2GM(make_bm, "bitmap"); )
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DEF_GM( return new Tiling2GM(make_grad, "gradient"); )
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