| /* |
| * 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 "tools/ToolUtils.h" |
| |
| #include "include/core/SkBitmap.h" |
| #include "include/core/SkBlendMode.h" |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkColorPriv.h" |
| #include "include/core/SkImage.h" |
| #include "include/core/SkMatrix.h" |
| #include "include/core/SkPaint.h" |
| #include "include/core/SkPathBuilder.h" |
| #include "include/core/SkPicture.h" |
| #include "include/core/SkPixelRef.h" |
| #include "include/core/SkPixmap.h" |
| #include "include/core/SkPoint3.h" |
| #include "include/core/SkRRect.h" |
| #include "include/core/SkShader.h" |
| #include "include/core/SkSurface.h" |
| #include "include/core/SkTextBlob.h" |
| #include "include/ports/SkTypeface_win.h" |
| #include "include/private/SkColorData.h" |
| #include "include/private/SkFloatingPoint.h" |
| #include "src/core/SkFontPriv.h" |
| |
| #include <cmath> |
| #include <cstring> |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| #include "include/gpu/graphite/ImageProvider.h" |
| #include <unordered_map> |
| #endif |
| |
| #if defined(SK_ENABLE_SVG) |
| #include "modules/svg/include/SkSVGDOM.h" |
| #include "modules/svg/include/SkSVGNode.h" |
| #include "src/xml/SkDOM.h" |
| #endif |
| |
| #if SK_SUPPORT_GPU |
| #include "include/gpu/GrDirectContext.h" |
| #include "include/gpu/GrRecordingContext.h" |
| #include "src/gpu/ganesh/GrCaps.h" |
| #include "src/gpu/ganesh/GrDirectContextPriv.h" |
| #endif |
| |
| namespace ToolUtils { |
| |
| const char* alphatype_name(SkAlphaType at) { |
| switch (at) { |
| case kUnknown_SkAlphaType: return "Unknown"; |
| case kOpaque_SkAlphaType: return "Opaque"; |
| case kPremul_SkAlphaType: return "Premul"; |
| case kUnpremul_SkAlphaType: return "Unpremul"; |
| } |
| SkASSERT(false); |
| return "unexpected alphatype"; |
| } |
| |
| const char* colortype_name(SkColorType ct) { |
| switch (ct) { |
| case kUnknown_SkColorType: return "Unknown"; |
| case kAlpha_8_SkColorType: return "Alpha_8"; |
| case kA16_unorm_SkColorType: return "Alpha_16"; |
| case kA16_float_SkColorType: return "A16_float"; |
| case kRGB_565_SkColorType: return "RGB_565"; |
| case kARGB_4444_SkColorType: return "ARGB_4444"; |
| case kRGBA_8888_SkColorType: return "RGBA_8888"; |
| case kSRGBA_8888_SkColorType: return "SRGBA_8888"; |
| case kRGB_888x_SkColorType: return "RGB_888x"; |
| case kBGRA_8888_SkColorType: return "BGRA_8888"; |
| case kRGBA_1010102_SkColorType: return "RGBA_1010102"; |
| case kBGRA_1010102_SkColorType: return "BGRA_1010102"; |
| case kRGB_101010x_SkColorType: return "RGB_101010x"; |
| case kBGR_101010x_SkColorType: return "BGR_101010x"; |
| case kGray_8_SkColorType: return "Gray_8"; |
| case kRGBA_F16Norm_SkColorType: return "RGBA_F16Norm"; |
| case kRGBA_F16_SkColorType: return "RGBA_F16"; |
| case kRGBA_F32_SkColorType: return "RGBA_F32"; |
| case kR8G8_unorm_SkColorType: return "R8G8_unorm"; |
| case kR16G16_unorm_SkColorType: return "R16G16_unorm"; |
| case kR16G16_float_SkColorType: return "R16G16_float"; |
| case kR16G16B16A16_unorm_SkColorType: return "R16G16B16A16_unorm"; |
| case kR8_unorm_SkColorType: return "R8_unorm"; |
| } |
| SkASSERT(false); |
| return "unexpected colortype"; |
| } |
| |
| const char* colortype_depth(SkColorType ct) { |
| switch (ct) { |
| case kUnknown_SkColorType: return "Unknown"; |
| case kAlpha_8_SkColorType: return "A8"; |
| case kA16_unorm_SkColorType: return "A16"; |
| case kA16_float_SkColorType: return "AF16"; |
| case kRGB_565_SkColorType: return "565"; |
| case kARGB_4444_SkColorType: return "4444"; |
| case kRGBA_8888_SkColorType: return "8888"; |
| case kSRGBA_8888_SkColorType: return "8888"; |
| case kRGB_888x_SkColorType: return "888"; |
| case kBGRA_8888_SkColorType: return "8888"; |
| case kRGBA_1010102_SkColorType: return "1010102"; |
| case kBGRA_1010102_SkColorType: return "1010102"; |
| case kRGB_101010x_SkColorType: return "101010"; |
| case kBGR_101010x_SkColorType: return "101010"; |
| case kGray_8_SkColorType: return "G8"; |
| case kRGBA_F16Norm_SkColorType: return "F16Norm"; // TODO: "F16"? |
| case kRGBA_F16_SkColorType: return "F16"; |
| case kRGBA_F32_SkColorType: return "F32"; |
| case kR8G8_unorm_SkColorType: return "88"; |
| case kR16G16_unorm_SkColorType: return "1616"; |
| case kR16G16_float_SkColorType: return "F16F16"; |
| case kR16G16B16A16_unorm_SkColorType: return "16161616"; |
| case kR8_unorm_SkColorType: return "8"; |
| } |
| SkASSERT(false); |
| return "unexpected colortype"; |
| } |
| |
| const char* tilemode_name(SkTileMode mode) { |
| switch (mode) { |
| case SkTileMode::kClamp: return "clamp"; |
| case SkTileMode::kRepeat: return "repeat"; |
| case SkTileMode::kMirror: return "mirror"; |
| case SkTileMode::kDecal: return "decal"; |
| } |
| SkASSERT(false); |
| return "unexpected tilemode"; |
| } |
| |
| SkColor color_to_565(SkColor color) { |
| // Not a good idea to use this function for greyscale colors... |
| // it will add an obvious purple or green tint. |
| SkASSERT(SkColorGetR(color) != SkColorGetG(color) || SkColorGetR(color) != SkColorGetB(color) || |
| SkColorGetG(color) != SkColorGetB(color)); |
| |
| SkPMColor pmColor = SkPreMultiplyColor(color); |
| U16CPU color16 = SkPixel32ToPixel16(pmColor); |
| return SkPixel16ToColor(color16); |
| } |
| |
| sk_sp<SkShader> create_checkerboard_shader(SkColor c1, SkColor c2, int size) { |
| SkBitmap bm; |
| bm.allocPixels(SkImageInfo::MakeS32(2 * size, 2 * size, kPremul_SkAlphaType)); |
| bm.eraseColor(c1); |
| bm.eraseArea(SkIRect::MakeLTRB(0, 0, size, size), c2); |
| bm.eraseArea(SkIRect::MakeLTRB(size, size, 2 * size, 2 * size), c2); |
| return bm.makeShader(SkTileMode::kRepeat, SkTileMode::kRepeat, SkSamplingOptions()); |
| } |
| |
| SkBitmap create_checkerboard_bitmap(int w, int h, SkColor c1, SkColor c2, int checkSize) { |
| SkBitmap bitmap; |
| bitmap.allocPixels(SkImageInfo::MakeS32(w, h, kPremul_SkAlphaType)); |
| SkCanvas canvas(bitmap); |
| |
| ToolUtils::draw_checkerboard(&canvas, c1, c2, checkSize); |
| return bitmap; |
| } |
| |
| sk_sp<SkImage> create_checkerboard_image(int w, int h, SkColor c1, SkColor c2, int checkSize) { |
| auto surf = SkSurface::MakeRasterN32Premul(w, h); |
| ToolUtils::draw_checkerboard(surf->getCanvas(), c1, c2, checkSize); |
| return surf->makeImageSnapshot(); |
| } |
| |
| void draw_checkerboard(SkCanvas* canvas, SkColor c1, SkColor c2, int size) { |
| SkPaint paint; |
| paint.setShader(create_checkerboard_shader(c1, c2, size)); |
| paint.setBlendMode(SkBlendMode::kSrc); |
| canvas->drawPaint(paint); |
| } |
| |
| SkBitmap |
| create_string_bitmap(int w, int h, SkColor c, int x, int y, int textSize, const char* str) { |
| SkBitmap bitmap; |
| bitmap.allocN32Pixels(w, h); |
| SkCanvas canvas(bitmap); |
| |
| SkPaint paint; |
| paint.setColor(c); |
| |
| SkFont font(ToolUtils::create_portable_typeface(), textSize); |
| |
| canvas.clear(0x00000000); |
| canvas.drawSimpleText(str, |
| strlen(str), |
| SkTextEncoding::kUTF8, |
| SkIntToScalar(x), |
| SkIntToScalar(y), |
| font, |
| paint); |
| |
| // Tag data as sRGB (without doing any color space conversion). Color-space aware configs |
| // will process this correctly but legacy configs will render as if this returned N32. |
| SkBitmap result; |
| result.setInfo(SkImageInfo::MakeS32(w, h, kPremul_SkAlphaType)); |
| result.setPixelRef(sk_ref_sp(bitmap.pixelRef()), 0, 0); |
| return result; |
| } |
| |
| sk_sp<SkImage> create_string_image(int w, int h, SkColor c, int x, int y, int textSize, |
| const char* str) { |
| return create_string_bitmap(w, h, c, x, y, textSize, str).asImage(); |
| } |
| |
| void add_to_text_blob_w_len(SkTextBlobBuilder* builder, |
| const char* text, |
| size_t len, |
| SkTextEncoding encoding, |
| const SkFont& font, |
| SkScalar x, |
| SkScalar y) { |
| int count = font.countText(text, len, encoding); |
| if (count < 1) { |
| return; |
| } |
| auto run = builder->allocRun(font, count, x, y); |
| font.textToGlyphs(text, len, encoding, run.glyphs, count); |
| } |
| |
| void add_to_text_blob(SkTextBlobBuilder* builder, |
| const char* text, |
| const SkFont& font, |
| SkScalar x, |
| SkScalar y) { |
| add_to_text_blob_w_len(builder, text, strlen(text), SkTextEncoding::kUTF8, font, x, y); |
| } |
| |
| void get_text_path(const SkFont& font, |
| const void* text, |
| size_t length, |
| SkTextEncoding encoding, |
| SkPath* dst, |
| const SkPoint pos[]) { |
| SkAutoToGlyphs atg(font, text, length, encoding); |
| const int count = atg.count(); |
| SkAutoTArray<SkPoint> computedPos; |
| if (pos == nullptr) { |
| computedPos.reset(count); |
| font.getPos(atg.glyphs(), count, &computedPos[0]); |
| pos = computedPos.get(); |
| } |
| |
| struct Rec { |
| SkPath* fDst; |
| const SkPoint* fPos; |
| } rec = {dst, pos}; |
| font.getPaths(atg.glyphs(), |
| atg.count(), |
| [](const SkPath* src, const SkMatrix& mx, void* ctx) { |
| Rec* rec = (Rec*)ctx; |
| if (src) { |
| SkMatrix tmp(mx); |
| tmp.postTranslate(rec->fPos->fX, rec->fPos->fY); |
| rec->fDst->addPath(*src, tmp); |
| } |
| rec->fPos += 1; |
| }, |
| &rec); |
| } |
| |
| SkPath make_star(const SkRect& bounds, int numPts, int step) { |
| SkASSERT(numPts != step); |
| SkPathBuilder builder; |
| builder.setFillType(SkPathFillType::kEvenOdd); |
| builder.moveTo(0, -1); |
| for (int i = 1; i < numPts; ++i) { |
| int idx = i * step % numPts; |
| SkScalar theta = idx * 2 * SK_ScalarPI / numPts + SK_ScalarPI / 2; |
| SkScalar x = SkScalarCos(theta); |
| SkScalar y = -SkScalarSin(theta); |
| builder.lineTo(x, y); |
| } |
| SkPath path = builder.detach(); |
| path.transform(SkMatrix::RectToRect(path.getBounds(), bounds)); |
| return path; |
| } |
| |
| static inline void norm_to_rgb(SkBitmap* bm, int x, int y, const SkVector3& norm) { |
| SkASSERT(SkScalarNearlyEqual(norm.length(), 1.0f)); |
| unsigned char r = static_cast<unsigned char>((0.5f * norm.fX + 0.5f) * 255); |
| unsigned char g = static_cast<unsigned char>((-0.5f * norm.fY + 0.5f) * 255); |
| unsigned char b = static_cast<unsigned char>((0.5f * norm.fZ + 0.5f) * 255); |
| *bm->getAddr32(x, y) = SkPackARGB32(0xFF, r, g, b); |
| } |
| |
| void create_hemi_normal_map(SkBitmap* bm, const SkIRect& dst) { |
| const SkPoint center = |
| SkPoint::Make(dst.fLeft + (dst.width() / 2.0f), dst.fTop + (dst.height() / 2.0f)); |
| const SkPoint halfSize = SkPoint::Make(dst.width() / 2.0f, dst.height() / 2.0f); |
| |
| SkVector3 norm; |
| |
| for (int y = dst.fTop; y < dst.fBottom; ++y) { |
| for (int x = dst.fLeft; x < dst.fRight; ++x) { |
| norm.fX = (x + 0.5f - center.fX) / halfSize.fX; |
| norm.fY = (y + 0.5f - center.fY) / halfSize.fY; |
| |
| SkScalar tmp = norm.fX * norm.fX + norm.fY * norm.fY; |
| if (tmp >= 1.0f) { |
| norm.set(0.0f, 0.0f, 1.0f); |
| } else { |
| norm.fZ = sqrtf(1.0f - tmp); |
| } |
| |
| norm_to_rgb(bm, x, y, norm); |
| } |
| } |
| } |
| |
| void create_frustum_normal_map(SkBitmap* bm, const SkIRect& dst) { |
| const SkPoint center = |
| SkPoint::Make(dst.fLeft + (dst.width() / 2.0f), dst.fTop + (dst.height() / 2.0f)); |
| |
| SkIRect inner = dst; |
| inner.inset(dst.width() / 4, dst.height() / 4); |
| |
| SkPoint3 norm; |
| const SkPoint3 left = SkPoint3::Make(-SK_ScalarRoot2Over2, 0.0f, SK_ScalarRoot2Over2); |
| const SkPoint3 up = SkPoint3::Make(0.0f, -SK_ScalarRoot2Over2, SK_ScalarRoot2Over2); |
| const SkPoint3 right = SkPoint3::Make(SK_ScalarRoot2Over2, 0.0f, SK_ScalarRoot2Over2); |
| const SkPoint3 down = SkPoint3::Make(0.0f, SK_ScalarRoot2Over2, SK_ScalarRoot2Over2); |
| |
| for (int y = dst.fTop; y < dst.fBottom; ++y) { |
| for (int x = dst.fLeft; x < dst.fRight; ++x) { |
| if (inner.contains(x, y)) { |
| norm.set(0.0f, 0.0f, 1.0f); |
| } else { |
| SkScalar locX = x + 0.5f - center.fX; |
| SkScalar locY = y + 0.5f - center.fY; |
| |
| if (locX >= 0.0f) { |
| if (locY > 0.0f) { |
| norm = locX >= locY ? right : down; // LR corner |
| } else { |
| norm = locX > -locY ? right : up; // UR corner |
| } |
| } else { |
| if (locY > 0.0f) { |
| norm = -locX > locY ? left : down; // LL corner |
| } else { |
| norm = locX > locY ? up : left; // UL corner |
| } |
| } |
| } |
| |
| norm_to_rgb(bm, x, y, norm); |
| } |
| } |
| } |
| |
| void create_tetra_normal_map(SkBitmap* bm, const SkIRect& dst) { |
| const SkPoint center = |
| SkPoint::Make(dst.fLeft + (dst.width() / 2.0f), dst.fTop + (dst.height() / 2.0f)); |
| |
| static const SkScalar k1OverRoot3 = 0.5773502692f; |
| |
| SkPoint3 norm; |
| const SkPoint3 leftUp = SkPoint3::Make(-k1OverRoot3, -k1OverRoot3, k1OverRoot3); |
| const SkPoint3 rightUp = SkPoint3::Make(k1OverRoot3, -k1OverRoot3, k1OverRoot3); |
| const SkPoint3 down = SkPoint3::Make(0.0f, SK_ScalarRoot2Over2, SK_ScalarRoot2Over2); |
| |
| for (int y = dst.fTop; y < dst.fBottom; ++y) { |
| for (int x = dst.fLeft; x < dst.fRight; ++x) { |
| SkScalar locX = x + 0.5f - center.fX; |
| SkScalar locY = y + 0.5f - center.fY; |
| |
| if (locX >= 0.0f) { |
| if (locY > 0.0f) { |
| norm = locX >= locY ? rightUp : down; // LR corner |
| } else { |
| norm = rightUp; |
| } |
| } else { |
| if (locY > 0.0f) { |
| norm = -locX > locY ? leftUp : down; // LL corner |
| } else { |
| norm = leftUp; |
| } |
| } |
| |
| norm_to_rgb(bm, x, y, norm); |
| } |
| } |
| } |
| |
| bool copy_to(SkBitmap* dst, SkColorType dstColorType, const SkBitmap& src) { |
| SkPixmap srcPM; |
| if (!src.peekPixels(&srcPM)) { |
| return false; |
| } |
| |
| SkBitmap tmpDst; |
| SkImageInfo dstInfo = srcPM.info().makeColorType(dstColorType); |
| if (!tmpDst.setInfo(dstInfo)) { |
| return false; |
| } |
| |
| if (!tmpDst.tryAllocPixels()) { |
| return false; |
| } |
| |
| SkPixmap dstPM; |
| if (!tmpDst.peekPixels(&dstPM)) { |
| return false; |
| } |
| |
| if (!srcPM.readPixels(dstPM)) { |
| return false; |
| } |
| |
| dst->swap(tmpDst); |
| return true; |
| } |
| |
| void copy_to_g8(SkBitmap* dst, const SkBitmap& src) { |
| SkASSERT(kBGRA_8888_SkColorType == src.colorType() || |
| kRGBA_8888_SkColorType == src.colorType()); |
| |
| SkImageInfo grayInfo = src.info().makeColorType(kGray_8_SkColorType); |
| dst->allocPixels(grayInfo); |
| uint8_t* dst8 = (uint8_t*)dst->getPixels(); |
| const uint32_t* src32 = (const uint32_t*)src.getPixels(); |
| |
| const int w = src.width(); |
| const int h = src.height(); |
| const bool isBGRA = (kBGRA_8888_SkColorType == src.colorType()); |
| for (int y = 0; y < h; ++y) { |
| if (isBGRA) { |
| // BGRA |
| for (int x = 0; x < w; ++x) { |
| uint32_t s = src32[x]; |
| dst8[x] = SkComputeLuminance((s >> 16) & 0xFF, (s >> 8) & 0xFF, s & 0xFF); |
| } |
| } else { |
| // RGBA |
| for (int x = 0; x < w; ++x) { |
| uint32_t s = src32[x]; |
| dst8[x] = SkComputeLuminance(s & 0xFF, (s >> 8) & 0xFF, (s >> 16) & 0xFF); |
| } |
| } |
| src32 = (const uint32_t*)((const char*)src32 + src.rowBytes()); |
| dst8 += dst->rowBytes(); |
| } |
| } |
| |
| ////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| bool equal_pixels(const SkPixmap& a, const SkPixmap& b) { |
| if (a.width() != b.width() || a.height() != b.height() || a.colorType() != b.colorType()) { |
| return false; |
| } |
| |
| for (int y = 0; y < a.height(); ++y) { |
| const char* aptr = (const char*)a.addr(0, y); |
| const char* bptr = (const char*)b.addr(0, y); |
| if (0 != memcmp(aptr, bptr, a.width() * a.info().bytesPerPixel())) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| bool equal_pixels(const SkBitmap& bm0, const SkBitmap& bm1) { |
| SkPixmap pm0, pm1; |
| return bm0.peekPixels(&pm0) && bm1.peekPixels(&pm1) && equal_pixels(pm0, pm1); |
| } |
| |
| bool equal_pixels(const SkImage* a, const SkImage* b) { |
| // ensure that peekPixels will succeed |
| auto imga = a->makeRasterImage(); |
| auto imgb = b->makeRasterImage(); |
| |
| SkPixmap pm0, pm1; |
| return imga->peekPixels(&pm0) && imgb->peekPixels(&pm1) && equal_pixels(pm0, pm1); |
| } |
| |
| sk_sp<SkSurface> makeSurface(SkCanvas* canvas, |
| const SkImageInfo& info, |
| const SkSurfaceProps* props) { |
| auto surf = canvas->makeSurface(info, props); |
| if (!surf) { |
| surf = SkSurface::MakeRaster(info, props); |
| } |
| return surf; |
| } |
| |
| void sniff_paths(const char filepath[], std::function<PathSniffCallback> callback) { |
| SkFILEStream stream(filepath); |
| if (!stream.isValid()) { |
| SkDebugf("sniff_paths: invalid input file at \"%s\"\n", filepath); |
| return; |
| } |
| |
| class PathSniffer : public SkCanvas { |
| public: |
| PathSniffer(std::function<PathSniffCallback> callback) |
| : SkCanvas(4096, 4096, nullptr) |
| , fPathSniffCallback(callback) {} |
| private: |
| void onDrawPath(const SkPath& path, const SkPaint& paint) override { |
| fPathSniffCallback(this->getTotalMatrix(), path, paint); |
| } |
| std::function<PathSniffCallback> fPathSniffCallback; |
| }; |
| |
| PathSniffer pathSniffer(callback); |
| if (const char* ext = strrchr(filepath, '.'); ext && !strcmp(ext, ".svg")) { |
| #if defined(SK_ENABLE_SVG) |
| sk_sp<SkSVGDOM> svg = SkSVGDOM::MakeFromStream(stream); |
| if (!svg) { |
| SkDebugf("sniff_paths: couldn't load svg at \"%s\"\n", filepath); |
| return; |
| } |
| svg->setContainerSize(SkSize::Make(pathSniffer.getBaseLayerSize())); |
| svg->render(&pathSniffer); |
| #endif |
| } else { |
| sk_sp<SkPicture> skp = SkPicture::MakeFromStream(&stream); |
| if (!skp) { |
| SkDebugf("sniff_paths: couldn't load skp at \"%s\"\n", filepath); |
| return; |
| } |
| skp->playback(&pathSniffer); |
| } |
| } |
| |
| #if SK_SUPPORT_GPU |
| sk_sp<SkImage> MakeTextureImage(SkCanvas* canvas, sk_sp<SkImage> orig) { |
| if (!orig) { |
| return nullptr; |
| } |
| |
| if (canvas->recordingContext() && canvas->recordingContext()->asDirectContext()) { |
| GrDirectContext* dContext = canvas->recordingContext()->asDirectContext(); |
| const GrCaps* caps = dContext->priv().caps(); |
| |
| if (orig->width() >= caps->maxTextureSize() || orig->height() >= caps->maxTextureSize()) { |
| // Ganesh is able to tile large SkImage draws. Always forcing SkImages to be uploaded |
| // prevents this feature from being tested by our tools. For now, leave excessively |
| // large SkImages as bitmaps. |
| return orig; |
| } |
| |
| return orig->makeTextureImage(dContext); |
| } |
| #if defined(SK_GRAPHITE_ENABLED) |
| else if (canvas->recorder()) { |
| return orig->makeTextureImage(canvas->recorder()); |
| } |
| #endif |
| |
| return orig; |
| } |
| #endif |
| |
| VariationSliders::VariationSliders(SkTypeface* typeface, |
| SkFontArguments::VariationPosition variationPosition) { |
| if (!typeface) { |
| return; |
| } |
| |
| int numAxes = typeface->getVariationDesignParameters(nullptr, 0); |
| if (numAxes < 0) { |
| return; |
| } |
| |
| std::unique_ptr<SkFontParameters::Variation::Axis[]> copiedAxes = |
| std::make_unique<SkFontParameters::Variation::Axis[]>(numAxes); |
| |
| numAxes = typeface->getVariationDesignParameters(copiedAxes.get(), numAxes); |
| if (numAxes < 0) { |
| return; |
| } |
| |
| auto argVariationPositionOrDefault = [&variationPosition](SkFourByteTag tag, |
| SkScalar defaultValue) -> SkScalar { |
| for (int i = 0; i < variationPosition.coordinateCount; ++i) { |
| if (variationPosition.coordinates[i].axis == tag) { |
| return variationPosition.coordinates[i].value; |
| } |
| } |
| return defaultValue; |
| }; |
| |
| fAxisSliders.resize(numAxes); |
| fCoords = std::make_unique<SkFontArguments::VariationPosition::Coordinate[]>(numAxes); |
| for (int i = 0; i < numAxes; ++i) { |
| fAxisSliders[i].axis = copiedAxes[i]; |
| fAxisSliders[i].current = |
| argVariationPositionOrDefault(copiedAxes[i].tag, copiedAxes[i].def); |
| fAxisSliders[i].name = tagToString(fAxisSliders[i].axis.tag); |
| fCoords[i] = { fAxisSliders[i].axis.tag, fAxisSliders[i].current }; |
| } |
| } |
| |
| /* static */ |
| SkString VariationSliders::tagToString(SkFourByteTag tag) { |
| char tagAsString[5]; |
| tagAsString[4] = 0; |
| tagAsString[0] = (char)(uint8_t)(tag >> 24); |
| tagAsString[1] = (char)(uint8_t)(tag >> 16); |
| tagAsString[2] = (char)(uint8_t)(tag >> 8); |
| tagAsString[3] = (char)(uint8_t)(tag >> 0); |
| return SkString(tagAsString); |
| } |
| |
| bool VariationSliders::writeControls(SkMetaData* controls) { |
| for (size_t i = 0; i < fAxisSliders.size(); ++i) { |
| SkScalar axisVars[kAxisVarsSize]; |
| |
| axisVars[0] = fAxisSliders[i].current; |
| axisVars[1] = fAxisSliders[i].axis.min; |
| axisVars[2] = fAxisSliders[i].axis.max; |
| controls->setScalars(fAxisSliders[i].name.c_str(), kAxisVarsSize, axisVars); |
| } |
| return true; |
| } |
| |
| void VariationSliders::readControls(const SkMetaData& controls, bool* changed) { |
| for (size_t i = 0; i < fAxisSliders.size(); ++i) { |
| SkScalar axisVars[kAxisVarsSize] = {0}; |
| int resultAxisVarsSize = 0; |
| SkASSERT_RELEASE(controls.findScalars( |
| tagToString(fAxisSliders[i].axis.tag).c_str(), &resultAxisVarsSize, axisVars)); |
| SkASSERT_RELEASE(resultAxisVarsSize == kAxisVarsSize); |
| if (changed) { |
| *changed |= fAxisSliders[i].current != axisVars[0]; |
| } |
| fAxisSliders[i].current = axisVars[0]; |
| fCoords[i] = { fAxisSliders[i].axis.tag, fAxisSliders[i].current }; |
| } |
| } |
| |
| SkSpan<const SkFontArguments::VariationPosition::Coordinate> VariationSliders::getCoordinates() { |
| return SkSpan<const SkFontArguments::VariationPosition::Coordinate>{fCoords.get(), |
| fAxisSliders.size()}; |
| } |
| |
| #ifdef SK_GRAPHITE_ENABLED |
| |
| // Currently, we give each new Recorder its own ImageProvider. This means we don't have to deal |
| // w/ any threading issues. |
| // TODO: We should probably have this class generate and report some cache stats |
| // TODO: Hook up to listener system? |
| // TODO: add testing of a single ImageProvider passed to multiple recorders |
| class TestingImageProvider : public skgpu::graphite::ImageProvider { |
| public: |
| ~TestingImageProvider() override {} |
| |
| sk_sp<SkImage> findOrCreate(skgpu::graphite::Recorder* recorder, |
| const SkImage* image, |
| SkImage::RequiredImageProperties requiredProps) override { |
| if (requiredProps.fMipmapped == skgpu::graphite::Mipmapped::kNo) { |
| // If no mipmaps are required, check to see if we have a mipmapped version anyway - |
| // since it can be used in that case. |
| // TODO: we could get fancy and, if ever a mipmapped key eclipsed a non-mipmapped |
| // key, we could remove the hidden non-mipmapped key/image from the cache. |
| uint64_t mipMappedKey = ((uint64_t)image->uniqueID() << 32) | 0x1; |
| auto result = fCache.find(mipMappedKey); |
| if (result != fCache.end()) { |
| return result->second; |
| } |
| } |
| |
| uint64_t key = ((uint64_t)image->uniqueID() << 32) | |
| (requiredProps.fMipmapped == skgpu::graphite::Mipmapped::kYes ? 0x1 : 0x0); |
| |
| auto result = fCache.find(key); |
| if (result != fCache.end()) { |
| return result->second; |
| } |
| |
| sk_sp<SkImage> newImage = image->makeTextureImage(recorder, requiredProps); |
| if (!newImage) { |
| return nullptr; |
| } |
| |
| auto [iter, success] = fCache.insert({ key, newImage }); |
| SkASSERT(success); |
| |
| return iter->second; |
| } |
| |
| private: |
| std::unordered_map<uint64_t, sk_sp<SkImage>> fCache; |
| }; |
| |
| skgpu::graphite::RecorderOptions CreateTestingRecorderOptions() { |
| skgpu::graphite::RecorderOptions options; |
| |
| options.fImageProvider.reset(new TestingImageProvider); |
| |
| return options; |
| } |
| |
| #endif // SK_GRAPHITE_ENABLED |
| |
| } // namespace ToolUtils |
