140 lines
4.9 KiB
C++
140 lines
4.9 KiB
C++
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/*
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* Copyright 2016 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 "SkCanvas.h"
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#include "SkCodec.h"
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#include "SkCommandLineFlags.h"
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#include "SkData.h"
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#include "SkOSFile.h"
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#include "SkPicture.h"
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#include "SkStream.h"
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DEFINE_string2(skps, s, "", "A path to a directory of skps.");
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DEFINE_string2(out, o, "", "A path to an output directory.");
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static int gCtr = 0;
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static int gSuccessCtr = 0;
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static int gUnknownCtr = 0;
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static int gFailureCtr = 0;
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static const char* gOutputDir;
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void setup_output_dirs() {
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const char* exts[] = { "jpg", "png", "gif", "webp", "bmp", "wbmp", "ico", "dng", "unknown" };
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for (const char* ext : exts) {
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sk_mkdir(SkOSPath::Join(gOutputDir, ext).c_str());
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}
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}
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bool store_encoded_to_file(const void* encoded, size_t length, SkBitmap* bitmap) {
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// Silence warnings about empty bitmaps.
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bitmap->allocN32Pixels(1, 1, true);
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SkString path;
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SkAutoTUnref<SkData> data(SkData::NewWithoutCopy(encoded, length));
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SkAutoTDelete<SkCodec> codec(SkCodec::NewFromData(data));
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if (codec) {
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switch (codec->getEncodedFormat()) {
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case SkEncodedFormat::kJPEG_SkEncodedFormat:
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path = SkOSPath::Join(SkOSPath::Join(gOutputDir, "jpg").c_str(), "");
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path.appendS32(gCtr++);
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path.append(".jpg");
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break;
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case SkEncodedFormat::kPNG_SkEncodedFormat:
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path = SkOSPath::Join(SkOSPath::Join(gOutputDir, "png").c_str(), "");
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path.appendS32(gCtr++);
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path.append(".png");
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break;
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case SkEncodedFormat::kGIF_SkEncodedFormat:
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path = SkOSPath::Join(SkOSPath::Join(gOutputDir, "gif").c_str(), "");
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path.appendS32(gCtr++);
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path.append(".gif");
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break;
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case SkEncodedFormat::kWEBP_SkEncodedFormat:
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path = SkOSPath::Join(SkOSPath::Join(gOutputDir, "webp").c_str(), "");
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path.appendS32(gCtr++);
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path.append(".webp");
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break;
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case SkEncodedFormat::kBMP_SkEncodedFormat:
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path = SkOSPath::Join(SkOSPath::Join(gOutputDir, "bmp").c_str(), "");
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path.appendS32(gCtr++);
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path.append(".bmp");
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break;
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case SkEncodedFormat::kWBMP_SkEncodedFormat:
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path = SkOSPath::Join(SkOSPath::Join(gOutputDir, "wbmp").c_str(), "");
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path.appendS32(gCtr++);
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path.append(".wbmp");
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break;
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case SkEncodedFormat::kICO_SkEncodedFormat:
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path = SkOSPath::Join(SkOSPath::Join(gOutputDir, "ico").c_str(), "");
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path.appendS32(gCtr++);
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path.append(".ico");
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break;
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case SkEncodedFormat::kRAW_SkEncodedFormat:
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path = SkOSPath::Join(SkOSPath::Join(gOutputDir, "dng").c_str(), "");
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path.appendS32(gCtr++);
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path.append(".dng");
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break;
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default:
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path = SkOSPath::Join(gOutputDir, "unknown");
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path.appendS32(gUnknownCtr++);
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break;
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}
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} else {
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path = SkOSPath::Join(gOutputDir, "unknown");
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path.appendS32(gUnknownCtr++);
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}
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FILE* file = sk_fopen(path.c_str(), kWrite_SkFILE_Flag);
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if (file) {
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sk_fwrite(encoded, length, file);
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sk_fclose(file);
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gSuccessCtr++;
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return true;
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}
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gFailureCtr++;
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SkDebugf("Could not open %s\n", path.c_str());
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return false;
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}
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int main(int argc, char** argv) {
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SkCommandLineFlags::SetUsage(
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"Usage: get_images_from_skps -s <dir of skps> -o <dir for output images>\n");
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SkCommandLineFlags::Parse(argc, argv);
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if (FLAGS_skps.isEmpty() || FLAGS_out.isEmpty()) {
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SkCommandLineFlags::PrintUsage();
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return 1;
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}
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const char* inputs = FLAGS_skps[0];
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gOutputDir = FLAGS_out[0];
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if (!sk_isdir(inputs) || !sk_isdir(gOutputDir)) {
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SkCommandLineFlags::PrintUsage();
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return 1;
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}
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setup_output_dirs();
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SkOSFile::Iter iter(inputs, "skp");
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for (SkString file; iter.next(&file); ) {
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SkAutoTDelete<SkStream> stream =
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SkStream::NewFromFile(SkOSPath::Join(inputs, file.c_str()).c_str());
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// Rather than passing in a function that actually decodes the encoded data,
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// we pass in a function that saves the encoded data to a file.
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SkAutoTUnref<SkPicture> picture(SkPicture::CreateFromStream(stream, store_encoded_to_file));
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SkCanvas canvas;
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canvas.drawPicture(picture);
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}
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SkDebugf("Successfully saved %d recognized images and %d unrecognized images\n", gSuccessCtr,
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gUnknownCtr);
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SkDebugf("Failed to write %d images\n", gFailureCtr);
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return 0;
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}
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