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C++ SkBitmap::getSize方法代码示例

本文整理汇总了C++中SkBitmap::getSize方法的典型用法代码示例。如果您正苦于以下问题:C++ SkBitmap::getSize方法的具体用法?C++ SkBitmap::getSize怎么用?C++ SkBitmap::getSize使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在SkBitmap的用法示例。


在下文中一共展示了SkBitmap::getSize方法的6个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: Run

    static void Run(const Task& task) {
        SkString name = task.src->name();

        SkString log;
        if (!FLAGS_dryRun) {
            SkBitmap bitmap;
            SkDynamicMemoryWStream stream;
            start(task.sink.tag.c_str(), task.src.tag.c_str(),
                  task.src.options.c_str(), name.c_str());
            Error err = task.sink->draw(*task.src, &bitmap, &stream, &log);
            if (!log.isEmpty()) {
                info("%s %s %s %s:\n%s\n", task.sink.tag.c_str()
                                         , task.src.tag.c_str()
                                         , task.src.options.c_str()
                                         , name.c_str()
                                         , log.c_str());
            }
            if (!err.isEmpty()) {
                if (err.isFatal()) {
                    fail(SkStringPrintf("%s %s %s %s: %s",
                                        task.sink.tag.c_str(),
                                        task.src.tag.c_str(),
                                        task.src.options.c_str(),
                                        name.c_str(),
                                        err.c_str()));
                } else {
                    done(task.sink.tag.c_str(), task.src.tag.c_str(),
                         task.src.options.c_str(), name.c_str());
                    return;
                }
            }

            // We're likely switching threads here, so we must capture by value, [=] or [foo,bar].
            SkStreamAsset* data = stream.detachAsStream();
            gDefinitelyThreadSafeWork.add([task,name,bitmap,data]{
                SkAutoTDelete<SkStreamAsset> ownedData(data);

                // Why doesn't the copy constructor do this when we have pre-locked pixels?
                bitmap.lockPixels();

                SkString md5;
                if (!FLAGS_writePath.isEmpty() || !FLAGS_readPath.isEmpty()) {
                    SkMD5 hash;
                    if (data->getLength()) {
                        hash.writeStream(data, data->getLength());
                        data->rewind();
                    } else {
                        // If we're BGRA (Linux, Windows), swizzle over to RGBA (Mac, Android).
                        // This helps eliminate multiple 0-pixel-diff hashes on gold.skia.org.
                        // (Android's general slow speed breaks the tie arbitrarily in RGBA's favor.)
                        // We might consider promoting 565 to RGBA too.
                        if (bitmap.colorType() == kBGRA_8888_SkColorType) {
                            SkBitmap swizzle;
                            SkAssertResult(bitmap.copyTo(&swizzle, kRGBA_8888_SkColorType));
                            hash.write(swizzle.getPixels(), swizzle.getSize());
                        } else {
                            hash.write(bitmap.getPixels(), bitmap.getSize());
                        }
                    }
                    SkMD5::Digest digest;
                    hash.finish(digest);
                    for (int i = 0; i < 16; i++) {
                        md5.appendf("%02x", digest.data[i]);
                    }
                }

                if (!FLAGS_readPath.isEmpty() &&
                    !gGold.contains(Gold(task.sink.tag, task.src.tag,
                                         task.src.options, name, md5))) {
                    fail(SkStringPrintf("%s not found for %s %s %s %s in %s",
                                        md5.c_str(),
                                        task.sink.tag.c_str(),
                                        task.src.tag.c_str(),
                                        task.src.options.c_str(),
                                        name.c_str(),
                                        FLAGS_readPath[0]));
                }

                if (!FLAGS_writePath.isEmpty()) {
                    const char* ext = task.sink->fileExtension();
                    if (data->getLength()) {
                        WriteToDisk(task, md5, ext, data, data->getLength(), nullptr);
                        SkASSERT(bitmap.drawsNothing());
                    } else if (!bitmap.drawsNothing()) {
                        WriteToDisk(task, md5, ext, nullptr, 0, &bitmap);
                    }
                }
            });
        }
        done(task.sink.tag.c_str(), task.src.tag.c_str(), task.src.options.c_str(), name.c_str());
    }
开发者ID:VarcoDevs,项目名称:skia,代码行数:91,代码来源:DM.cpp

示例2: runSimpleRendering

void runSimpleRendering( string renderingFileName, string resourceDir, RenderingInfo* info) {
	SkColor defaultMapColor = SK_ColorLTGRAY;

	if (info->width > 10000 || info->height > 10000) {
		osmand_log_print(LOG_ERROR, "We don't rendering images more than 10000x10000 ");
		return;
	}

	osmand_log_print(LOG_INFO, "Rendering info bounds(%d, %d, %d, %d) zoom(%d), width/height(%d/%d) tilewidth/tileheight(%d/%d) fileName(%s)",
			info->left, info->top, info->right, info->bottom, info->zoom, info->width, info->height, info->tileWX, info->tileHY, info->tileFileName.c_str());
	RenderingRulesStorage* st = new RenderingRulesStorage(renderingFileName.c_str());
	st->parseRulesFromXmlInputStream(renderingFileName.c_str(), NULL);
	RenderingRuleSearchRequest* searchRequest = new RenderingRuleSearchRequest(st);
	ResultPublisher* publisher = new ResultPublisher();
	SearchQuery q(floor(info->left), floor(info->right), ceil(info->top), ceil(info->bottom), searchRequest, publisher);
	q.zoom = info->zoom;

	ResultPublisher* res = searchObjectsForRendering(&q, true, "Nothing found");
	osmand_log_print(LOG_INFO, "Found %d objects", res->result.size());

	SkBitmap* bitmap = new SkBitmap();
	bitmap->setConfig(SkBitmap::kRGB_565_Config, info->width, info->height);

	size_t bitmapDataSize = bitmap->getSize();
	void* bitmapData = malloc(bitmapDataSize);
	bitmap->setPixels(bitmapData);

	osmand_log_print(LOG_INFO, "Initializing rendering style and rendering context");
	ElapsedTimer initObjects;
	initObjects.start();

	RenderingContext rc;
	rc.setDefaultIconsDir(resourceDir);
	searchRequest->clearState();
	searchRequest->setIntFilter(st->PROPS.R_MINZOOM, info->zoom);
	if (searchRequest->searchRenderingAttribute(A_DEFAULT_COLOR)) {
		defaultMapColor = searchRequest->getIntPropertyValue(searchRequest->props()->R_ATTR_COLOR_VALUE);
	}
	searchRequest->clearState();
	searchRequest->setIntFilter(st->PROPS.R_MINZOOM, info->zoom);
	if (searchRequest->searchRenderingAttribute(A_SHADOW_RENDERING)) {
		rc.setShadowRenderingMode(searchRequest->getIntPropertyValue(searchRequest->props()->R_ATTR_INT_VALUE));
		//rc.setShadowRenderingColor(searchRequest->getIntPropertyValue(searchRequest->props()->R_SHADOW_COLOR));
	}
	rc.setLocation(
			((double)info->left)/getPowZoom(31-info->zoom),
			((double)info->top)/getPowZoom(31-info->zoom)
			);
	rc.setDimension(info->width, info->height);
	rc.setZoom(info->zoom);
	rc.setRotate(0);
	rc.setDensityScale(1);
	osmand_log_print(LOG_INFO, "Rendering image");
	initObjects.pause();
	SkCanvas* canvas = new SkCanvas(*bitmap);
	canvas->drawColor(defaultMapColor);
	doRendering(res->result, canvas, searchRequest, &rc);
	osmand_log_print(LOG_INFO, "End Rendering image");
	osmand_log_print(LOG_INFO, "Native ok (init %d, rendering %d) ", initObjects.getElapsedTime(),
			rc.nativeOperations.getElapsedTime());
	SkImageEncoder* enc = SkImageEncoder::Create(SkImageEncoder::kPNG_Type);
	if (enc != NULL && !enc->encodeFile(info->tileFileName.c_str(), *bitmap, 100)) {
		osmand_log_print(LOG_ERROR, "FAIL to save tile to %s", info->tileFileName.c_str());
	} else {
		osmand_log_print(LOG_INFO, "Tile successfully saved to %s", info->tileFileName.c_str());
	}
	delete enc;
	delete publisher;
	delete searchRequest;
	delete st;
	delete canvas;
	delete bitmap;
	free(bitmapData);
	return;
}
开发者ID:4x4falcon,项目名称:Osmand-fosm,代码行数:75,代码来源:osmand_main.cpp

示例3: Run

    static void Run(Task* task) {
        SkString name = task->src->name();

        // We'll skip drawing this Src/Sink pair if:
        //   - the Src vetoes the Sink;
        //   - this Src / Sink combination is on the blacklist;
        //   - it's a dry run.
        SkString note(task->src->veto(task->sink->flags()) ? " (veto)" : "");
        SkString whyBlacklisted = is_blacklisted(task->sink.tag, task->src.tag,
                                                 task->src.options, name.c_str());
        if (!whyBlacklisted.isEmpty()) {
            note.appendf(" (--blacklist %s)", whyBlacklisted.c_str());
        }

        SkString log;
        WallTimer timer;
        timer.start();
        if (!FLAGS_dryRun && note.isEmpty()) {
            SkBitmap bitmap;
            SkDynamicMemoryWStream stream;
            if (FLAGS_pre_log) {
                SkDebugf("\nRunning %s->%s", name.c_str(), task->sink.tag);
            }
            start(task->sink.tag, task->src.tag, task->src.options, name.c_str());
            Error err = task->sink->draw(*task->src, &bitmap, &stream, &log);
            if (!err.isEmpty()) {
                timer.end();
                if (err.isFatal()) {
                    fail(SkStringPrintf("%s %s %s %s: %s",
                                        task->sink.tag,
                                        task->src.tag,
                                        task->src.options,
                                        name.c_str(),
                                        err.c_str()));
                } else {
                    note.appendf(" (skipped: %s)", err.c_str());
                }
                done(timer.fWall, task->sink.tag, task->src.tag, task->src.options,
                     name, note, log);
                return;
            }
            SkAutoTDelete<SkStreamAsset> data(stream.detachAsStream());

            SkString md5;
            if (!FLAGS_writePath.isEmpty() || !FLAGS_readPath.isEmpty()) {
                SkMD5 hash;
                if (data->getLength()) {
                    hash.writeStream(data, data->getLength());
                    data->rewind();
                } else {
                    // If we're BGRA (Linux, Windows), swizzle over to RGBA (Mac, Android).
                    // This helps eliminate multiple 0-pixel-diff hashes on gold.skia.org.
                    // (Android's general slow speed breaks the tie arbitrarily in RGBA's favor.)
                    // We might consider promoting 565 to RGBA too.
                    if (bitmap.colorType() == kBGRA_8888_SkColorType) {
                        SkBitmap swizzle;
                        SkAssertResult(bitmap.copyTo(&swizzle, kRGBA_8888_SkColorType));
                        hash.write(swizzle.getPixels(), swizzle.getSize());
                    } else {
                        hash.write(bitmap.getPixels(), bitmap.getSize());
                    }
                }
                SkMD5::Digest digest;
                hash.finish(digest);
                for (int i = 0; i < 16; i++) {
                    md5.appendf("%02x", digest.data[i]);
                }
            }

            if (!FLAGS_readPath.isEmpty() &&
                !gGold.contains(Gold(task->sink.tag, task->src.tag,
                                     task->src.options, name, md5))) {
                fail(SkStringPrintf("%s not found for %s %s %s %s in %s",
                                    md5.c_str(),
                                    task->sink.tag,
                                    task->src.tag,
                                    task->src.options,
                                    name.c_str(),
                                    FLAGS_readPath[0]));
            }

            if (!FLAGS_writePath.isEmpty()) {
                const char* ext = task->sink->fileExtension();
                if (data->getLength()) {
                    WriteToDisk(*task, md5, ext, data, data->getLength(), NULL);
                    SkASSERT(bitmap.drawsNothing());
                } else if (!bitmap.drawsNothing()) {
                    WriteToDisk(*task, md5, ext, NULL, 0, &bitmap);
                }
            }
        }
        timer.end();
        done(timer.fWall, task->sink.tag, task->src.tag, task->src.options, name, note, log);
    }
开发者ID:zhiqiang-li,项目名称:skia,代码行数:94,代码来源:DM.cpp

示例4: Run

    static void Run(Task* task) {
        SkString name = task->src->name();
        SkString note;
        SkString whyBlacklisted = is_blacklisted(task->sink.tag, task->src.tag,
                                                 task->src.options, name.c_str());
        if (!whyBlacklisted.isEmpty()) {
            note.appendf(" (--blacklist %s)", whyBlacklisted.c_str());
        }
        SkString log;
        WallTimer timer;
        timer.start();
        if (!FLAGS_dryRun && whyBlacklisted.isEmpty()) {
            SkBitmap bitmap;
            SkDynamicMemoryWStream stream;
            start(task->sink.tag, task->src.tag, task->src.options, name.c_str());
            Error err = task->sink->draw(*task->src, &bitmap, &stream, &log);
            if (!err.isEmpty()) {
                timer.end();
                if (err.isFatal()) {
                    fail(SkStringPrintf("%s %s %s %s: %s",
                                        task->sink.tag,
                                        task->src.tag,
                                        task->src.options,
                                        name.c_str(),
                                        err.c_str()));
                } else {
                    note.appendf(" (skipped: %s)", err.c_str());
                }
                done(timer.fWall, task->sink.tag, task->src.tag, task->src.options,
                     name, note, log);
                return;
            }
            SkAutoTDelete<SkStreamAsset> data(stream.detachAsStream());

            SkString md5;
            if (!FLAGS_writePath.isEmpty() || !FLAGS_readPath.isEmpty()) {
                SkMD5 hash;
                if (data->getLength()) {
                    hash.writeStream(data, data->getLength());
                    data->rewind();
                } else {
                    hash.write(bitmap.getPixels(), bitmap.getSize());
                }
                SkMD5::Digest digest;
                hash.finish(digest);
                for (int i = 0; i < 16; i++) {
                    md5.appendf("%02x", digest.data[i]);
                }
            }

            if (!FLAGS_readPath.isEmpty() &&
                !gGold.contains(Gold(task->sink.tag, task->src.tag,
                                     task->src.options, name, md5))) {
                fail(SkStringPrintf("%s not found for %s %s %s %s in %s",
                                    md5.c_str(),
                                    task->sink.tag,
                                    task->src.tag,
                                    task->src.options,
                                    name.c_str(),
                                    FLAGS_readPath[0]));
            }

            if (!FLAGS_writePath.isEmpty()) {
                const char* ext = task->sink->fileExtension();
                if (data->getLength()) {
                    WriteToDisk(*task, md5, ext, data, data->getLength(), NULL);
                    SkASSERT(bitmap.drawsNothing());
                } else if (!bitmap.drawsNothing()) {
                    WriteToDisk(*task, md5, ext, NULL, 0, &bitmap);
                }
            }
        }
        timer.end();
        done(timer.fWall, task->sink.tag, task->src.tag, task->src.options, name, note, log);
    }
开发者ID:DaveOnDET,项目名称:skia,代码行数:75,代码来源:DM.cpp

示例5: Bitmap_createFromParcel

static jobject Bitmap_createFromParcel(JNIEnv* env, jobject, jobject parcel) {
    if (parcel == NULL) {
        SkDebugf("-------- unparcel parcel is NULL\n");
        return NULL;
    }

    android::Parcel* p = android::parcelForJavaObject(env, parcel);

    const bool        isMutable = p->readInt32() != 0;
    const SkColorType colorType = (SkColorType)p->readInt32();
    const SkAlphaType alphaType = (SkAlphaType)p->readInt32();
    const int         width = p->readInt32();
    const int         height = p->readInt32();
    const int         rowBytes = p->readInt32();
    const int         density = p->readInt32();

    if (kN32_SkColorType != colorType &&
            kRGB_565_SkColorType != colorType &&
            kARGB_4444_SkColorType != colorType &&
            kIndex_8_SkColorType != colorType &&
            kAlpha_8_SkColorType != colorType) {
        SkDebugf("Bitmap_createFromParcel unknown colortype: %d\n", colorType);
        return NULL;
    }

    SkBitmap* bitmap = new SkBitmap;

    bitmap->setInfo(SkImageInfo::Make(width, height, colorType, alphaType), rowBytes);

    SkColorTable* ctable = NULL;
    if (colorType == kIndex_8_SkColorType) {
        int count = p->readInt32();
        if (count > 0) {
            size_t size = count * sizeof(SkPMColor);
            const SkPMColor* src = (const SkPMColor*)p->readInplace(size);
            ctable = new SkColorTable(src, count);
        }
    }

    jbyteArray buffer = GraphicsJNI::allocateJavaPixelRef(env, bitmap, ctable);
    if (NULL == buffer) {
        SkSafeUnref(ctable);
        delete bitmap;
        return NULL;
    }

    SkSafeUnref(ctable);

    size_t size = bitmap->getSize();

    android::Parcel::ReadableBlob blob;
    android::status_t status = p->readBlob(size, &blob);
    if (status) {
        doThrowRE(env, "Could not read bitmap from parcel blob.");
        delete bitmap;
        return NULL;
    }

    bitmap->lockPixels();
    memcpy(bitmap->getPixels(), blob.data(), size);
    bitmap->unlockPixels();

    blob.release();

    return GraphicsJNI::createBitmap(env, bitmap, buffer, getPremulBitmapCreateFlags(isMutable),
            NULL, NULL, density);
}
开发者ID:ArunkumarUnity,项目名称:platform_frameworks_base,代码行数:67,代码来源:Bitmap.cpp

示例6: should_use_ashmem

static bool should_use_ashmem(const SkBitmap& bm) {
    return bm.getSize() >= MIN_ASHMEM_ALLOC_SIZE;
}
开发者ID:arjunroy,项目名称:cinder_webkit,代码行数:3,代码来源:BitmapAllocatorAndroid.cpp


注:本文中的SkBitmap::getSize方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。