/* * Copyright 2011 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include "include/core/SkCanvas.h" #include "include/core/SkData.h" #include "include/core/SkDocument.h" #include "include/core/SkGraphics.h" #include "include/core/SkImage.h" #include "include/core/SkStream.h" #include "include/core/SkString.h" #include "include/core/SkSurface.h" #include "tools/flags/CommandLineFlags.h" static DEFINE_string2(outFile, o, "skhello", "The filename to write the image."); static DEFINE_string2(text, t, "Hello", "The string to write."); static void doDraw(SkCanvas* canvas, const SkPaint& paint, const char text[]) { SkRect bounds = canvas->getLocalClipBounds(); canvas->drawColor(SK_ColorWHITE); canvas->drawText(text, strlen(text), bounds.centerX(), bounds.centerY(), paint); } static bool do_surface(int w, int h, const char path[], const char text[], const SkPaint& paint) { SkSurfaceProps props(0, kUnknown_SkPixelGeometry); sk_sp surface(SkSurface::MakeRasterN32Premul(w, h, &props)); doDraw(surface->getCanvas(), paint, text); sk_sp image(surface->makeImageSnapshot()); sk_sp data(image->encode()); if (!data) { return false; } SkFILEWStream stream(path); return stream.write(data->data(), data->size()); } static bool do_document(int w, int h, const char path[], const char text[], const SkPaint& paint) { auto doc = SkPDF::MakeDocument(path); if (doc.get()) { SkScalar width = SkIntToScalar(w); SkScalar height = SkIntToScalar(h); doDraw(doc->beginPage(width, height, nullptr), paint, text); return true; } return false; } int main(int argc, char** argv) { CommandLineFlags::SetUsage(""); CommandLineFlags::Parse(argc, argv); SkAutoGraphics ag; SkString path("skhello"); SkString text("Hello"); if (!FLAGS_outFile.isEmpty()) { path.set(FLAGS_outFile[0]); } if (!FLAGS_text.isEmpty()) { text.set(FLAGS_text[0]); } SkPaint paint; paint.setAntiAlias(true); paint.setTextSize(SkIntToScalar(30)); paint.setTextAlign(SkPaint::kCenter_Align); SkScalar width = paint.measureText(text.c_str(), text.size()); SkScalar spacing = paint.getFontSpacing(); int w = SkScalarRoundToInt(width) + 30; int h = SkScalarRoundToInt(spacing) + 30; static const struct { bool (*fProc)(int w, int h, const char path[], const char text[], const SkPaint&); const char* fSuffix; } gRec[] = { { do_surface, ".png" }, { do_document, ".pdf" }, }; for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); ++i) { SkString file; file.printf("%s%s", path.c_str(), gRec[i].fSuffix); if (!gRec[i].fProc(w, h, file.c_str(), text.c_str(), paint)) { return -1; } } return 0; }