7f7ec206de
SkImageDecoder is still used throughout tests, tools, gms etc. Deleting it from tests is an easy first step. Bonus is that we add tests of SkCodec. BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1733863003 Review URL: https://codereview.chromium.org/1733863003
230 lines
9.2 KiB
C++
230 lines
9.2 KiB
C++
/*
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* Copyright 2013 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 "CodecPriv.h"
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#include "Resources.h"
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#include "SkAndroidCodec.h"
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#include "SkBitmap.h"
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#include "SkData.h"
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#include "SkImage.h"
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#include "SkStream.h"
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#include "SkTypes.h"
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#include "Test.h"
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static unsigned char gGIFData[] = {
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0x47, 0x49, 0x46, 0x38, 0x37, 0x61, 0x03, 0x00, 0x03, 0x00, 0xe3, 0x08,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0x00,
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0xff, 0x80, 0x80, 0x80, 0x00, 0xff, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
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0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0x2c, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x03, 0x00, 0x00, 0x04,
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0x07, 0x50, 0x1c, 0x43, 0x40, 0x41, 0x23, 0x44, 0x00, 0x3b
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};
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static unsigned char gGIFDataNoColormap[] = {
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0x47, 0x49, 0x46, 0x38, 0x39, 0x61, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
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0x21, 0xf9, 0x04, 0x01, 0x0a, 0x00, 0x01, 0x00, 0x2c, 0x00, 0x00, 0x00, 0x00,
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0x01, 0x00, 0x01, 0x00, 0x00, 0x02, 0x02, 0x4c, 0x01, 0x00, 0x3b
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};
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static unsigned char gInterlacedGIF[] = {
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0x47, 0x49, 0x46, 0x38, 0x37, 0x61, 0x09, 0x00, 0x09, 0x00, 0xe3, 0x08, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0x00, 0xff, 0x80,
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0x80, 0x80, 0x00, 0xff, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x2c, 0x00, 0x00, 0x00,
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0x00, 0x09, 0x00, 0x09, 0x00, 0x40, 0x04, 0x1b, 0x50, 0x1c, 0x23, 0xe9, 0x44,
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0x23, 0x60, 0x9d, 0x09, 0x28, 0x1e, 0xf8, 0x6d, 0x64, 0x56, 0x9d, 0x53, 0xa8,
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0x7e, 0xa8, 0x65, 0x94, 0x5c, 0xb0, 0x8a, 0x45, 0x04, 0x00, 0x3b
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};
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static void test_gif_data_no_colormap(skiatest::Reporter* r,
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void* data,
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size_t size) {
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SkBitmap bm;
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bool imageDecodeSuccess = decode_memory(data, size, &bm);
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REPORTER_ASSERT(r, imageDecodeSuccess);
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REPORTER_ASSERT(r, bm.width() == 1);
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REPORTER_ASSERT(r, bm.height() == 1);
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REPORTER_ASSERT(r, !(bm.empty()));
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if (!(bm.empty())) {
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REPORTER_ASSERT(r, bm.getColor(0, 0) == 0xFF000000);
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}
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}
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static void test_gif_data(skiatest::Reporter* r, void* data, size_t size) {
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SkBitmap bm;
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bool imageDecodeSuccess = decode_memory(data, size, &bm);
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REPORTER_ASSERT(r, imageDecodeSuccess);
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REPORTER_ASSERT(r, bm.width() == 3);
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REPORTER_ASSERT(r, bm.height() == 3);
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REPORTER_ASSERT(r, !(bm.empty()));
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if (!(bm.empty())) {
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REPORTER_ASSERT(r, bm.getColor(0, 0) == 0xffff0000);
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REPORTER_ASSERT(r, bm.getColor(1, 0) == 0xffffff00);
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REPORTER_ASSERT(r, bm.getColor(2, 0) == 0xff00ffff);
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REPORTER_ASSERT(r, bm.getColor(0, 1) == 0xff808080);
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REPORTER_ASSERT(r, bm.getColor(1, 1) == 0xff000000);
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REPORTER_ASSERT(r, bm.getColor(2, 1) == 0xff00ff00);
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REPORTER_ASSERT(r, bm.getColor(0, 2) == 0xffffffff);
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REPORTER_ASSERT(r, bm.getColor(1, 2) == 0xffff00ff);
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REPORTER_ASSERT(r, bm.getColor(2, 2) == 0xff0000ff);
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}
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}
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static void test_gif_data_dims(skiatest::Reporter* r, void* data, size_t size, int width,
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int height) {
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SkBitmap bm;
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bool imageDecodeSuccess = decode_memory(data, size, &bm);
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REPORTER_ASSERT(r, imageDecodeSuccess);
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REPORTER_ASSERT(r, bm.width() == width);
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REPORTER_ASSERT(r, bm.height() == height);
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REPORTER_ASSERT(r, !(bm.empty()));
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}
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static void test_interlaced_gif_data(skiatest::Reporter* r,
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void* data,
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size_t size) {
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SkBitmap bm;
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bool imageDecodeSuccess = decode_memory(data, size, &bm);
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REPORTER_ASSERT(r, imageDecodeSuccess);
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REPORTER_ASSERT(r, bm.width() == 9);
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REPORTER_ASSERT(r, bm.height() == 9);
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REPORTER_ASSERT(r, !(bm.empty()));
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if (!(bm.empty())) {
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REPORTER_ASSERT(r, bm.getColor(0, 0) == 0xffff0000);
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REPORTER_ASSERT(r, bm.getColor(1, 0) == 0xffffff00);
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REPORTER_ASSERT(r, bm.getColor(2, 0) == 0xff00ffff);
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REPORTER_ASSERT(r, bm.getColor(0, 2) == 0xffffffff);
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REPORTER_ASSERT(r, bm.getColor(1, 2) == 0xffff00ff);
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REPORTER_ASSERT(r, bm.getColor(2, 2) == 0xff0000ff);
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REPORTER_ASSERT(r, bm.getColor(0, 4) == 0xff808080);
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REPORTER_ASSERT(r, bm.getColor(1, 4) == 0xff000000);
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REPORTER_ASSERT(r, bm.getColor(2, 4) == 0xff00ff00);
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REPORTER_ASSERT(r, bm.getColor(0, 6) == 0xffff0000);
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REPORTER_ASSERT(r, bm.getColor(1, 6) == 0xffffff00);
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REPORTER_ASSERT(r, bm.getColor(2, 6) == 0xff00ffff);
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REPORTER_ASSERT(r, bm.getColor(0, 8) == 0xffffffff);
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REPORTER_ASSERT(r, bm.getColor(1, 8) == 0xffff00ff);
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REPORTER_ASSERT(r, bm.getColor(2, 8) == 0xff0000ff);
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}
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}
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static void test_gif_data_short(skiatest::Reporter* r,
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void* data,
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size_t size) {
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SkBitmap bm;
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bool imageDecodeSuccess = decode_memory(data, size, &bm);
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REPORTER_ASSERT(r, imageDecodeSuccess);
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REPORTER_ASSERT(r, bm.width() == 3);
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REPORTER_ASSERT(r, bm.height() == 3);
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REPORTER_ASSERT(r, !(bm.empty()));
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if (!(bm.empty())) {
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REPORTER_ASSERT(r, bm.getColor(0, 0) == 0xffff0000);
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REPORTER_ASSERT(r, bm.getColor(1, 0) == 0xffffff00);
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REPORTER_ASSERT(r, bm.getColor(2, 0) == 0xff00ffff);
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REPORTER_ASSERT(r, bm.getColor(0, 1) == 0xff808080);
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REPORTER_ASSERT(r, bm.getColor(1, 1) == 0xff000000);
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REPORTER_ASSERT(r, bm.getColor(2, 1) == 0xff00ff00);
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}
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}
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/**
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This test will test the ability of the SkCodec to deal with
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GIF files which have been mangled somehow. We want to display as
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much of the GIF as possible.
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*/
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DEF_TEST(Gif, reporter) {
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// test perfectly good images.
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test_gif_data(reporter, static_cast<void *>(gGIFData), sizeof(gGIFData));
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test_interlaced_gif_data(reporter, static_cast<void *>(gInterlacedGIF),
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sizeof(gInterlacedGIF));
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unsigned char badData[sizeof(gGIFData)];
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memcpy(badData, gGIFData, sizeof(gGIFData));
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badData[6] = 0x01; // image too wide
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test_gif_data(reporter, static_cast<void *>(badData), sizeof(gGIFData));
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// "libgif warning [image too wide, expanding output to size]"
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memcpy(badData, gGIFData, sizeof(gGIFData));
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badData[8] = 0x01; // image too tall
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test_gif_data(reporter, static_cast<void *>(badData), sizeof(gGIFData));
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// "libgif warning [image too tall, expanding output to size]"
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memcpy(badData, gGIFData, sizeof(gGIFData));
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badData[62] = 0x01; // image shifted right
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test_gif_data_dims(reporter, static_cast<void *>(badData), sizeof(gGIFData), 4, 3);
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memcpy(badData, gGIFData, sizeof(gGIFData));
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badData[64] = 0x01; // image shifted down
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test_gif_data_dims(reporter, static_cast<void *>(badData), sizeof(gGIFData), 3, 4);
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memcpy(badData, gGIFData, sizeof(gGIFData));
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badData[62] = 0xff; // image shifted right
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badData[63] = 0xff;
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test_gif_data_dims(reporter, static_cast<void *>(badData), sizeof(gGIFData), 3 + 0xFFFF, 3);
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memcpy(badData, gGIFData, sizeof(gGIFData));
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badData[64] = 0xff; // image shifted down
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badData[65] = 0xff;
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test_gif_data_dims(reporter, static_cast<void *>(badData), sizeof(gGIFData), 3, 3 + 0xFFFF);
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test_gif_data_no_colormap(reporter, static_cast<void *>(gGIFDataNoColormap),
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sizeof(gGIFDataNoColormap));
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// "libgif warning [missing colormap]"
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// test short Gif. 80 is missing a few bytes.
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test_gif_data_short(reporter, static_cast<void *>(gGIFData), 80);
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// "libgif warning [DGifGetLine]"
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test_interlaced_gif_data(reporter, static_cast<void *>(gInterlacedGIF),
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100); // 100 is missing a few bytes
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// "libgif warning [interlace DGifGetLine]"
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}
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// Regression test for decoding a gif image with sampleSize of 4, which was
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// previously crashing.
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DEF_TEST(Gif_Sampled, r) {
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SkAutoTDelete<SkFILEStream> stream(
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new SkFILEStream(GetResourcePath("test640x479.gif").c_str()));
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REPORTER_ASSERT(r, stream->isValid());
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if (!stream->isValid()) {
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return;
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}
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SkAutoTDelete<SkAndroidCodec> codec(SkAndroidCodec::NewFromStream(stream.detach()));
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REPORTER_ASSERT(r, codec);
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if (!codec) {
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return;
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}
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// Construct a color table for the decode if necessary
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SkAutoTUnref<SkColorTable> colorTable(nullptr);
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SkPMColor* colorPtr = nullptr;
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int* colorCountPtr = nullptr;
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int maxColors = 256;
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if (kIndex_8_SkColorType == codec->getInfo().colorType()) {
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SkPMColor colors[256];
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colorTable.reset(new SkColorTable(colors, maxColors));
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colorPtr = const_cast<SkPMColor*>(colorTable->readColors());
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colorCountPtr = &maxColors;
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}
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SkAndroidCodec::AndroidOptions options;
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options.fSampleSize = 4;
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options.fColorPtr = colorPtr;
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options.fColorCount = colorCountPtr;
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SkBitmap bm;
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bm.allocPixels(codec->getInfo(), nullptr, colorTable.get());
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const SkCodec::Result result = codec->getAndroidPixels(codec->getInfo(), bm.getPixels(),
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bm.rowBytes(), &options);
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REPORTER_ASSERT(r, result == SkCodec::kSuccess);
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}
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