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