54f0d1b711
I removed unused parameters in the tests wherever it was trivial to do so. I'm trying to get the easy ones out of the way before we get into more involved discussions around this. Review URL: https://codereview.appspot.com/7394055 git-svn-id: http://skia.googlecode.com/svn/trunk@7891 2bbb7eff-a529-9590-31e7-b0007b416f81
277 lines
8.7 KiB
C++
277 lines
8.7 KiB
C++
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/*
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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 "Test.h"
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#include "SkBitmap.h"
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#include "SkCanvas.h"
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#include "SkColorPriv.h"
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#include "SkGradientShader.h"
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#include "SkRect.h"
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static inline const char* boolStr(bool value) {
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return value ? "true" : "false";
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}
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// these are in the same order as the SkBitmap::Config enum
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static const char* gConfigName[] = {
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"None", "A1", "A8", "Index8", "565", "4444", "8888", "RLE_Index8"
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};
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/** Returns -1 on success, else the x coord of the first bad pixel, return its
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value in bad
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*/
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typedef int (*Proc)(const void*, int width, uint32_t expected, uint32_t* bad);
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static int proc_32(const void* ptr, int w, uint32_t expected, uint32_t* bad) {
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const SkPMColor* addr = static_cast<const SkPMColor*>(ptr);
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for (int x = 0; x < w; x++) {
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if (addr[x] != expected) {
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*bad = addr[x];
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return x;
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}
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}
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return -1;
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}
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static int proc_16(const void* ptr, int w, uint32_t expected, uint32_t* bad) {
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const uint16_t* addr = static_cast<const uint16_t*>(ptr);
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for (int x = 0; x < w; x++) {
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if (addr[x] != expected) {
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*bad = addr[x];
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return x;
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}
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}
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return -1;
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}
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static int proc_8(const void* ptr, int w, uint32_t expected, uint32_t* bad) {
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const SkPMColor* addr = static_cast<const SkPMColor*>(ptr);
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for (int x = 0; x < w; x++) {
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if (SkGetPackedA32(addr[x]) != expected) {
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*bad = SkGetPackedA32(addr[x]);
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return x;
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}
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}
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return -1;
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}
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static int proc_bad(const void*, int, uint32_t, uint32_t* bad) {
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*bad = 0;
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return 0;
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}
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static Proc find_proc(const SkBitmap& bm, SkPMColor expect32, uint16_t expect16,
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uint8_t expect8, uint32_t* expect) {
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switch (bm.config()) {
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case SkBitmap::kARGB_8888_Config:
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*expect = expect32;
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return proc_32;
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case SkBitmap::kARGB_4444_Config:
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case SkBitmap::kRGB_565_Config:
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*expect = expect16;
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return proc_16;
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case SkBitmap::kA8_Config:
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*expect = expect8;
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return proc_8;
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default:
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*expect = 0;
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return proc_bad;
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}
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}
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static bool check_color(const SkBitmap& bm, SkPMColor expect32,
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uint16_t expect16, uint8_t expect8,
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skiatest::Reporter* reporter) {
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uint32_t expect;
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Proc proc = find_proc(bm, expect32, expect16, expect8, &expect);
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for (int y = 0; y < bm.height(); y++) {
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uint32_t bad;
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int x = proc(bm.getAddr(0, y), bm.width(), expect, &bad);
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if (x >= 0) {
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SkString str;
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str.printf("BlitRow config=%s [%d %d] expected %x got %x",
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gConfigName[bm.config()], x, y, expect, bad);
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reporter->reportFailed(str);
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return false;
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}
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}
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return true;
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}
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// Make sure our blits always map src==0 to a noop, and src==FF to full opaque
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static void test_00_FF(skiatest::Reporter* reporter) {
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static const int W = 256;
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static const SkBitmap::Config gDstConfig[] = {
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SkBitmap::kARGB_8888_Config,
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SkBitmap::kRGB_565_Config,
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// SkBitmap::kARGB_4444_Config,
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// SkBitmap::kA8_Config,
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};
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static const struct {
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SkColor fSrc;
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SkColor fDst;
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SkPMColor fResult32;
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uint16_t fResult16;
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uint8_t fResult8;
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} gSrcRec[] = {
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{ 0, 0, 0, 0, 0 },
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{ 0, 0xFFFFFFFF, SkPackARGB32(0xFF, 0xFF, 0xFF, 0xFF), 0xFFFF, 0xFF },
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{ 0xFFFFFFFF, 0, SkPackARGB32(0xFF, 0xFF, 0xFF, 0xFF), 0xFFFF, 0xFF },
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{ 0xFFFFFFFF, 0xFFFFFFFF, SkPackARGB32(0xFF, 0xFF, 0xFF, 0xFF), 0xFFFF, 0xFF },
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};
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SkPaint paint;
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SkBitmap srcBM;
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srcBM.setConfig(SkBitmap::kARGB_8888_Config, W, 1);
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srcBM.allocPixels();
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for (size_t i = 0; i < SK_ARRAY_COUNT(gDstConfig); i++) {
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SkBitmap dstBM;
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dstBM.setConfig(gDstConfig[i], W, 1);
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dstBM.allocPixels();
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SkCanvas canvas(dstBM);
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for (size_t j = 0; j < SK_ARRAY_COUNT(gSrcRec); j++) {
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srcBM.eraseColor(gSrcRec[j].fSrc);
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dstBM.eraseColor(gSrcRec[j].fDst);
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for (int k = 0; k < 4; k++) {
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bool dither = (k & 1) != 0;
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bool blend = (k & 2) != 0;
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if (gSrcRec[j].fSrc != 0 && blend) {
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// can't make a numerical promise about blending anything
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// but 0
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// continue;
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}
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paint.setDither(dither);
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paint.setAlpha(blend ? 0x80 : 0xFF);
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canvas.drawBitmap(srcBM, 0, 0, &paint);
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if (!check_color(dstBM, gSrcRec[j].fResult32, gSrcRec[j].fResult16,
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gSrcRec[j].fResult8, reporter)) {
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SkDebugf("--- src index %d dither %d blend %d\n", j, dither, blend);
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}
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}
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}
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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struct Mesh {
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SkPoint fPts[4];
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uint16_t fIndices[6];
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Mesh(const SkBitmap& bm, SkPaint* paint) {
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const SkScalar w = SkIntToScalar(bm.width());
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const SkScalar h = SkIntToScalar(bm.height());
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fPts[0].set(0, 0);
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fPts[1].set(w, 0);
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fPts[2].set(w, h);
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fPts[3].set(0, h);
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SkShader* s = SkShader::CreateBitmapShader(bm, SkShader::kClamp_TileMode,
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SkShader::kClamp_TileMode);
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paint->setShader(s)->unref();
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}
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void draw(SkCanvas* canvas, SkPaint* paint) {
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canvas->drawVertices(SkCanvas::kTriangleFan_VertexMode, 4, fPts, fPts,
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NULL, NULL, NULL, 0, *paint);
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}
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};
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#include "SkImageEncoder.h"
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static void save_bm(const SkBitmap& bm, const char name[]) {
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SkImageEncoder::EncodeFile(name, bm, SkImageEncoder::kPNG_Type, 100);
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}
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static bool gOnce;
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// Make sure our blits are invariant with the width of the blit (i.e. that
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// special case for 8 at a time have the same results as narrower blits)
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static void test_diagonal(skiatest::Reporter* reporter) {
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static const int W = 64;
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static const int H = W;
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static const SkBitmap::Config gDstConfig[] = {
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SkBitmap::kARGB_8888_Config,
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SkBitmap::kRGB_565_Config,
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// SkBitmap::kARGB_4444_Config,
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// SkBitmap::kA8_Config,
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};
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static const SkColor gDstBG[] = { 0, 0xFFFFFFFF };
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SkPaint paint;
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SkBitmap srcBM;
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srcBM.setConfig(SkBitmap::kARGB_8888_Config, W, H);
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srcBM.allocPixels();
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SkRect srcR = {
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0, 0, SkIntToScalar(srcBM.width()), SkIntToScalar(srcBM.height()) };
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// cons up a mesh to draw the bitmap with
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Mesh mesh(srcBM, &paint);
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for (size_t i = 0; i < SK_ARRAY_COUNT(gDstConfig); i++) {
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SkBitmap dstBM0, dstBM1;
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dstBM0.setConfig(gDstConfig[i], W, H);
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dstBM1.setConfig(gDstConfig[i], W, H);
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dstBM0.allocPixels();
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dstBM1.allocPixels();
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SkCanvas canvas0(dstBM0);
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SkCanvas canvas1(dstBM1);
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SkColor bgColor;
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for (size_t j = 0; j < SK_ARRAY_COUNT(gDstBG); j++) {
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bgColor = gDstBG[j];
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for (int c = 0; c <= 0xFF; c++) {
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srcBM.eraseARGB(0xFF, c, c, c);
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for (int k = 0; k < 4; k++) {
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bool dither = (k & 1) != 0;
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uint8_t alpha = (k & 2) ? 0x80 : 0xFF;
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paint.setDither(dither);
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paint.setAlpha(alpha);
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dstBM0.eraseColor(bgColor);
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dstBM1.eraseColor(bgColor);
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canvas0.drawRect(srcR, paint);
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mesh.draw(&canvas1, &paint);
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if (!gOnce && false) {
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save_bm(dstBM0, "drawBitmap.png");
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save_bm(dstBM1, "drawMesh.png");
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gOnce = true;
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}
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if (memcmp(dstBM0.getPixels(), dstBM1.getPixels(), dstBM0.getSize())) {
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SkString str;
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str.printf("Diagonal config=%s bg=0x%x dither=%d alpha=0x%x src=0x%x",
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gConfigName[gDstConfig[i]], bgColor, dither, alpha, c);
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reporter->reportFailed(str);
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}
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}
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}
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}
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}
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}
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static void TestBlitRow(skiatest::Reporter* reporter) {
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test_00_FF(reporter);
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test_diagonal(reporter);
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}
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#include "TestClassDef.h"
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DEFINE_TESTCLASS("BlitRow", TestBlitRowClass, TestBlitRow)
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