SampleText.cpp revision a8c183125f2861067daf432cada06d431a795cd0
1ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com/* 2ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * Copyright 2011 Google Inc. 3ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * 4ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * Use of this source code is governed by a BSD-style license that can be 5ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * found in the LICENSE file. 6ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com */ 7bf0001d0472d727266762c5967ec0d919a6df083reed@google.com 88a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SampleCode.h" 98a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkView.h" 108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkCanvas.h" 118b0e8ac5f582de80356019406e2975079bf0829dcommit-bot@chromium.org#include "SkReadBuffer.h" 128b0e8ac5f582de80356019406e2975079bf0829dcommit-bot@chromium.org#include "SkWriteBuffer.h" 138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkGradientShader.h" 148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkGraphics.h" 158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkImageDecoder.h" 168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkKernel33MaskFilter.h" 178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPath.h" 188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkRandom.h" 198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkRegion.h" 208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkShader.h" 218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkUtils.h" 228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkColorPriv.h" 238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkColorFilter.h" 248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkTime.h" 258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkTypeface.h" 268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkXfermode.h" 278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkStream.h" 298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkXMLParser.h" 308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comclass ReduceNoise : public SkKernel33ProcMaskFilter { 328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com ReduceNoise(int percent256) : SkKernel33ProcMaskFilter(percent256) {} 3430711b764be6bbb58caa30a0ac5d1474c894efe7reed@google.com virtual uint8_t computeValue(uint8_t* const* srcRows) const { 358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int c = srcRows[1][1]; 368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int min = 255, max = 0; 378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < 3; i++) 388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int j = 0; j < 3; j++) 398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (i != 1 || j != 1) 408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int v = srcRows[i][j]; 428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (max < v) 438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com max = v; 448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (min > v) 458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com min = v; 468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (c > max) c = max; 488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // if (c < min) c = min; 498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return c; 508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 510bd80fa01bba2b3f0f49937fcb17928c74bde5a6robertphillips@google.com 520bd80fa01bba2b3f0f49937fcb17928c74bde5a6robertphillips@google.com#ifdef SK_DEVELOPER 530bd80fa01bba2b3f0f49937fcb17928c74bde5a6robertphillips@google.com virtual void toString(SkString* str) const SK_OVERRIDE { 540bd80fa01bba2b3f0f49937fcb17928c74bde5a6robertphillips@google.com str->append("ReduceNoise: ("); 550bd80fa01bba2b3f0f49937fcb17928c74bde5a6robertphillips@google.com this->INHERITED::toString(str); 560bd80fa01bba2b3f0f49937fcb17928c74bde5a6robertphillips@google.com str->append(")"); 570bd80fa01bba2b3f0f49937fcb17928c74bde5a6robertphillips@google.com } 580bd80fa01bba2b3f0f49937fcb17928c74bde5a6robertphillips@google.com#endif 590bd80fa01bba2b3f0f49937fcb17928c74bde5a6robertphillips@google.com 60ba28d03e94dc221d6a803bf2a84a420b9159255cdjsollen@google.com SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(ReduceNoise) 61ba28d03e94dc221d6a803bf2a84a420b9159255cdjsollen@google.com 628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 638b0e8ac5f582de80356019406e2975079bf0829dcommit-bot@chromium.org ReduceNoise(SkReadBuffer& rb) : SkKernel33ProcMaskFilter(rb) {} 640bd80fa01bba2b3f0f49937fcb17928c74bde5a6robertphillips@google.com 650bd80fa01bba2b3f0f49937fcb17928c74bde5a6robertphillips@google.com typedef SkKernel33ProcMaskFilter INHERITED; 668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comclass Darken : public SkKernel33ProcMaskFilter { 698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com Darken(int percent256) : SkKernel33ProcMaskFilter(percent256) {} 7130711b764be6bbb58caa30a0ac5d1474c894efe7reed@google.com virtual uint8_t computeValue(uint8_t* const* srcRows) const { 728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int c = srcRows[1][1]; 738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com float f = c / 255.f; 7482065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 759e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com if (c >= 0) { 768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com f = sqrtf(f); 779e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com } else { 788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com f *= f; 798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(f >= 0 && f <= 1); 818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return (int)(f * 255); 828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 830bd80fa01bba2b3f0f49937fcb17928c74bde5a6robertphillips@google.com 840bd80fa01bba2b3f0f49937fcb17928c74bde5a6robertphillips@google.com#ifdef SK_DEVELOPER 858eaddb0089a170760e157646192813bd940c26e7skia.committer@gmail.com virtual void toString(SkString* str) const SK_OVERRIDE { 868eaddb0089a170760e157646192813bd940c26e7skia.committer@gmail.com str->append("Darken: ("); 870bd80fa01bba2b3f0f49937fcb17928c74bde5a6robertphillips@google.com this->INHERITED::toString(str); 880bd80fa01bba2b3f0f49937fcb17928c74bde5a6robertphillips@google.com str->append(")"); 890bd80fa01bba2b3f0f49937fcb17928c74bde5a6robertphillips@google.com } 900bd80fa01bba2b3f0f49937fcb17928c74bde5a6robertphillips@google.com#endif 910bd80fa01bba2b3f0f49937fcb17928c74bde5a6robertphillips@google.com 92ba28d03e94dc221d6a803bf2a84a420b9159255cdjsollen@google.com SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(Darken) 93ba28d03e94dc221d6a803bf2a84a420b9159255cdjsollen@google.com 948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 958b0e8ac5f582de80356019406e2975079bf0829dcommit-bot@chromium.org Darken(SkReadBuffer& rb) : SkKernel33ProcMaskFilter(rb) {} 960bd80fa01bba2b3f0f49937fcb17928c74bde5a6robertphillips@google.com 970bd80fa01bba2b3f0f49937fcb17928c74bde5a6robertphillips@google.com typedef SkKernel33ProcMaskFilter INHERITED; 988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic SkMaskFilter* makemf() { return new Darken(0x30); } 1018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1029e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.comstatic void test_breakText() { 1038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint paint; 1048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const char* text = "sdfkljAKLDFJKEWkldfjlk#$%&sdfs.dsj"; 1058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com size_t length = strlen(text); 1068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar width = paint.measureText(text, length); 10782065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 1088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar mm = 0; 1098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar nn = 0; 1109e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com for (SkScalar w = 0; w <= width; w += SK_Scalar1) { 1118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar m; 1128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com size_t n = paint.breakText(text, length, w, &m, 1138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint::kBackward_TextBufferDirection); 11482065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 1158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(n <= length); 1168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(m <= width); 11782065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 1189e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com if (n == 0) { 1198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(m == 0); 1209e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com } else { 1218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // now assert that we're monotonic 1229e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com if (n == nn) { 1238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(m == mm); 1249e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com } else { 1258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(n > nn); 1268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(m > mm); 1278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 129ffe39bd3b66eb5090684959e7f2409346ab72d93tomhudson@google.com nn = SkIntToScalar((unsigned int)n); 1308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mm = m; 1318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13364cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org SkDEBUGCODE(size_t length2 =) paint.breakText(text, length, width, &mm); 134261b8e2ca1cf22303ad95267f0bdc6e87e1bbe70reed@google.com SkASSERT(length2 == length); 1358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(mm == width); 1368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 138e0e7cfe44bb9d66d76120a79e5275c294bacaa22commit-bot@chromium.orgstatic SkRandom gRand; 1398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comclass SkPowerMode : public SkXfermode { 1418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 1428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPowerMode(SkScalar exponent) { this->init(exponent); } 1438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1449e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com virtual void xfer16(uint16_t dst[], const SkPMColor src[], int count, 1453af2b8def636eb36b69b1b334013320646dc7465mike@reedtribe.org const SkAlpha aa[]) const SK_OVERRIDE; 1468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1478b0e8ac5f582de80356019406e2975079bf0829dcommit-bot@chromium.org typedef SkFlattenable* (*Factory)(SkReadBuffer&); 14882065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 149b83b6b4f7690fe929d8d6b1a3d2b7ed562b95ba6robertphillips@google.com SK_DEVELOPER_TO_STRING() 150ba28d03e94dc221d6a803bf2a84a420b9159255cdjsollen@google.com SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkPowerMode) 15182065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 1528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 1538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar fExp; // user's value 1548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint8_t fTable[256]; // cache 1558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com void init(SkScalar exponent); 1578b0e8ac5f582de80356019406e2975079bf0829dcommit-bot@chromium.org SkPowerMode(SkReadBuffer& b) : INHERITED(b) { 1588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // read the exponent 159c73dd5c6880739f26216f198c757028fd28df1a4djsollen@google.com this->init(SkFixedToScalar(b.readFixed())); 1608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1618b0e8ac5f582de80356019406e2975079bf0829dcommit-bot@chromium.org virtual void flatten(SkWriteBuffer& b) const SK_OVERRIDE { 16254924243c1b65b3ee6d8fa064b50a9b1bb2a19a5djsollen@google.com this->INHERITED::flatten(b); 163c73dd5c6880739f26216f198c757028fd28df1a4djsollen@google.com b.writeFixed(SkScalarToFixed(fExp)); 16454924243c1b65b3ee6d8fa064b50a9b1bb2a19a5djsollen@google.com } 16582065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 1668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com typedef SkXfermode INHERITED; 1678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 1688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1699e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.comvoid SkPowerMode::init(SkScalar e) { 1708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fExp = e; 1718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com float ee = SkScalarToFloat(e); 17282065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 1738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com printf("------ %g\n", ee); 1749e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com for (int i = 0; i < 256; i++) { 1758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com float x = i / 255.f; 1768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // printf(" %d %g", i, x); 1778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x = powf(x, ee); 1788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // printf(" %g", x); 179e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int xx = SkScalarRoundToInt(x * 255); 1808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // printf(" %d\n", xx); 1818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fTable[i] = SkToU8(xx); 1828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1859e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.comvoid SkPowerMode::xfer16(uint16_t dst[], const SkPMColor src[], int count, 1863af2b8def636eb36b69b1b334013320646dc7465mike@reedtribe.org const SkAlpha aa[]) const { 1879e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com for (int i = 0; i < count; i++) { 1888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPMColor c = src[i]; 1898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int r = SkGetPackedR32(c); 1908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int g = SkGetPackedG32(c); 1918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int b = SkGetPackedB32(c); 1928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r = fTable[r]; 1938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com g = fTable[g]; 1948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com b = fTable[b]; 1958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst[i] = SkPack888ToRGB16(r, g, b); 1968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 199b83b6b4f7690fe929d8d6b1a3d2b7ed562b95ba6robertphillips@google.com#ifdef SK_DEVELOPER 200b83b6b4f7690fe929d8d6b1a3d2b7ed562b95ba6robertphillips@google.comvoid SkPowerMode::toString(SkString* str) const { 201b83b6b4f7690fe929d8d6b1a3d2b7ed562b95ba6robertphillips@google.com str->append("SkPowerMode: exponent "); 202b83b6b4f7690fe929d8d6b1a3d2b7ed562b95ba6robertphillips@google.com str->appendScalar(fExp); 203b83b6b4f7690fe929d8d6b1a3d2b7ed562b95ba6robertphillips@google.com} 204b83b6b4f7690fe929d8d6b1a3d2b7ed562b95ba6robertphillips@google.com#endif 205b83b6b4f7690fe929d8d6b1a3d2b7ed562b95ba6robertphillips@google.com 2068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic const struct { 2078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const char* fName; 2088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint32_t fFlags; 2098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool fFlushCache; 2108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} gHints[] = { 2118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { "Linear", SkPaint::kLinearText_Flag, false }, 2128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { "Normal", 0, true }, 2138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { "Subpixel", SkPaint::kSubpixelText_Flag, true } 2148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 2158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void DrawTheText(SkCanvas* canvas, const char text[], size_t length, 2178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar x, SkScalar y, const SkPaint& paint, 2189e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com SkScalar clickX, SkMaskFilter* mf) { 2198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint p(paint); 2208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#if 0 2228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas->drawText(text, length, x, y, paint); 2238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#else 2248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 2258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint pts[1000]; 2268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar xpos = x; 2278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(length <= SK_ARRAY_COUNT(pts)); 2289e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com for (size_t i = 0; i < length; i++) { 2298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pts[i].set(xpos, y), xpos += paint.getTextSize(); 2309e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com } 2318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas->drawPosText(text, length, pts, paint); 2328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#endif 2348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com p.setSubpixelText(true); 2368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x += SkIntToScalar(180); 2378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas->drawText(text, length, x, y, p); 2388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#ifdef SK_DEBUG 2409e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com if (true) { 2418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // p.setMaskFilter(mf); 2428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com p.setSubpixelText(false); 2438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com p.setLinearText(true); 2448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x += SkIntToScalar(180); 2458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas->drawText(text, length, x, y, p); 2468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#endif 2488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2509e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.comclass TextSpeedView : public SampleView { 2518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 252ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com TextSpeedView() { 2538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMF = makemf(); 2548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fHints = 0; 2568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fClickX = 0; 2578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 25882065d667f64e232bcde2ad849756a6096fcbe6freed@google.com test_breakText(); 2598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 26082065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 2619e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com virtual ~TextSpeedView() { 26282065d667f64e232bcde2ad849756a6096fcbe6freed@google.com SkSafeUnref(fMF); 2638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprotected: 2668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // overrides from SkEventSink 2679e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com virtual bool onQuery(SkEvent* evt) { 2689e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com if (SampleCode::TitleQ(*evt)) { 2698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SampleCode::TitleR(evt, "Text"); 2708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 2718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return this->INHERITED::onQuery(evt); 2738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 27482065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 2759e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com static void make_textstrip(SkBitmap* bm) { 276a8c183125f2861067daf432cada06d431a795cd0commit-bot@chromium.org bm->allocPixels(SkImageInfo::Make(200, 18, kRGB_565_SkColorType, 277a8c183125f2861067daf432cada06d431a795cd0commit-bot@chromium.org kOpaque_SkAlphaType)); 2788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bm->eraseColor(SK_ColorWHITE); 27982065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 2808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkCanvas canvas(*bm); 2818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint paint; 2828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const char* s = "Lorem ipsum dolor sit amet, consectetuer adipiscing elit"; 28382065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 2848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.setFlags(paint.getFlags() | SkPaint::kAntiAlias_Flag 2858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com | SkPaint::kDevKernText_Flag); 2868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.setTextSize(SkIntToScalar(14)); 2878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas.drawText(s, strlen(s), SkIntToScalar(8), SkIntToScalar(14), paint); 2888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 28982065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 290e0e7cfe44bb9d66d76120a79e5275c294bacaa22commit-bot@chromium.org static void fill_pts(SkPoint pts[], size_t n, SkRandom* rand) { 2918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (size_t i = 0; i < n; i++) 2928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pts[i].set(rand->nextUScalar1() * 640, rand->nextUScalar1() * 480); 2938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 29482065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 2959e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com virtual void onDrawContent(SkCanvas* canvas) { 2968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoCanvasRestore restore(canvas, false); 2978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 2988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 2998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(0, 0, SkIntToScalar(1000), SkIntToScalar(20)); 3008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // canvas->saveLayer(&r, NULL, SkCanvas::kHasAlphaLayer_SaveFlag); 3018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint paint; 3048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// const uint16_t glyphs[] = { 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19 }; 3058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int index = fHints % SK_ARRAY_COUNT(gHints); 3068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com index = 1; 3078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// const char* style = gHints[index].fName; 30882065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 3098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// canvas->translate(0, SkIntToScalar(50)); 3108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // canvas->drawText(style, strlen(style), SkIntToScalar(20), SkIntToScalar(20), paint); 3128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 31304d86c6a6b8eb8631752b3680f1292fa0a2c7119reed@android.com SkSafeUnref(paint.setTypeface(SkTypeface::CreateFromFile("/skimages/samplefont.ttf"))); 3148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.setAntiAlias(true); 3158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.setFlags(paint.getFlags() | gHints[index].fFlags); 31682065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 3178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect clip; 3188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com clip.set(SkIntToScalar(25), SkIntToScalar(34), SkIntToScalar(88), SkIntToScalar(155)); 31982065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 3208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const char* text = "Hamburgefons"; 3218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com size_t length = strlen(text); 3228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3232f3dc9dc4c970bd066be329a842a791d91f524e2reed@google.com SkScalar y = SkIntToScalar(0); 3242f3dc9dc4c970bd066be329a842a791d91f524e2reed@google.com for (int i = 9; i <= 24; i++) { 3252f3dc9dc4c970bd066be329a842a791d91f524e2reed@google.com paint.setTextSize(SkIntToScalar(i) /*+ (gRand.nextU() & 0xFFFF)*/); 3269e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com for (SkScalar dx = 0; dx <= SkIntToScalar(3)/4; 3279e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com dx += SkIntToScalar(1) /* /4 */) { 3282f3dc9dc4c970bd066be329a842a791d91f524e2reed@google.com y += paint.getFontSpacing(); 3299e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com DrawTheText(canvas, text, length, SkIntToScalar(20) + dx, y, 3309e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com paint, fClickX, fMF); 3318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3332f3dc9dc4c970bd066be329a842a791d91f524e2reed@google.com if (gHints[index].fFlushCache) { 3342f3dc9dc4c970bd066be329a842a791d91f524e2reed@google.com// SkGraphics::SetFontCacheUsed(0); 3358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 33782065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 3384d5c26de0a24f86c37c1da8b0e30d11a550ea67breed@google.com virtual SkView::Click* onFindClickHandler(SkScalar x, SkScalar y, 3394d5c26de0a24f86c37c1da8b0e30d11a550ea67breed@google.com unsigned modi) SK_OVERRIDE { 3408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fClickX = x; 3418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this->inval(NULL); 3424d5c26de0a24f86c37c1da8b0e30d11a550ea67breed@google.com return this->INHERITED::onFindClickHandler(x, y, modi); 3438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 34482065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 3459e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com virtual bool onClick(Click* click) { 3468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return this->INHERITED::onClick(click); 3478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 34882065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 3498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 3508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int fHints; 3518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar fClickX; 3528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMaskFilter* fMF; 3538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3549e39bb3603ee33e7753ee66eb76ebcfc412396f1reed@google.com typedef SampleView INHERITED; 3558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 3568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com////////////////////////////////////////////////////////////////////////////// 3588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic SkView* MyFactory() { return new TextSpeedView; } 3608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic SkViewRegister reg(MyFactory); 361