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/*
* 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 "SkCanvas.h"
#include "SkCommandLineFlags.h"
#include "SkData.h"
#include "SkDocument.h"
#include "SkGraphics.h"
#include "SkSurface.h"
#include "SkImage.h"
#include "SkStream.h"
#include "SkString.h"
DEFINE_string2(outFile, o, "skhello", "The filename to write the image.");
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<SkSurface> surface(SkSurface::MakeRasterN32Premul(w, h, &props));
doDraw(surface->getCanvas(), paint, text);
sk_sp<SkImage> image(surface->makeImageSnapshot());
sk_sp<SkData> 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) {
sk_sp<SkDocument> doc(SkDocument::MakePDF(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) {
SkCommandLineFlags::SetUsage("");
SkCommandLineFlags::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;
}
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