Font.cpp revision 9f5dab3fc228fa11c32b483e6101ec086895a32b
19f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy/* 29f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * Copyright (C) 2012 The Android Open Source Project 39f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * 49f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 59f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * you may not use this file except in compliance with the License. 69f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * You may obtain a copy of the License at 79f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * 89f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * http://www.apache.org/licenses/LICENSE-2.0 99f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * 109f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * Unless required by applicable law or agreed to in writing, software 119f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * distributed under the License is distributed on an "AS IS" BASIS, 129f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * See the License for the specific language governing permissions and 149f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy * limitations under the License. 159f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy */ 169f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 179f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#include <cutils/compiler.h> 189f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 199f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#include <SkUtils.h> 209f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 219f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#include "Debug.h" 229f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#include "FontUtil.h" 239f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#include "Font.h" 249f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#include "FontRenderer.h" 259f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#include "Properties.h" 269f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 279f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guynamespace android { 289f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guynamespace uirenderer { 299f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 309f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy/////////////////////////////////////////////////////////////////////////////// 319f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy// Font 329f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy/////////////////////////////////////////////////////////////////////////////// 339f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 349f5dab3fc228fa11c32b483e6101ec086895a32bRomain GuyFont::Font(FontRenderer* state, uint32_t fontId, float fontSize, 359f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int flags, uint32_t italicStyle, uint32_t scaleX, 369f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkPaint::Style style, uint32_t strokeWidth) : 379f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mState(state), mFontId(fontId), mFontSize(fontSize), 389f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mFlags(flags), mItalicStyle(italicStyle), mScaleX(scaleX), 399f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mStyle(style), mStrokeWidth(mStrokeWidth) { 409f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 419f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 429f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 439f5dab3fc228fa11c32b483e6101ec086895a32bRomain GuyFont::~Font() { 449f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy for (uint32_t ct = 0; ct < mState->mActiveFonts.size(); ct++) { 459f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (mState->mActiveFonts[ct] == this) { 469f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mState->mActiveFonts.removeAt(ct); 479f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy break; 489f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 499f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 509f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 519f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy for (uint32_t i = 0; i < mCachedGlyphs.size(); i++) { 529f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy delete mCachedGlyphs.valueAt(i); 539f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 549f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 559f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 569f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::invalidateTextureCache(CacheTexture *cacheTexture) { 579f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy for (uint32_t i = 0; i < mCachedGlyphs.size(); i++) { 589f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* cachedGlyph = mCachedGlyphs.valueAt(i); 599f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (cacheTexture == NULL || cachedGlyph->mCacheTexture == cacheTexture) { 609f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy cachedGlyph->mIsValid = false; 619f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 629f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 639f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 649f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 659f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::measureCachedGlyph(CachedGlyphInfo *glyph, int x, int y, 669f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint8_t* bitmap, uint32_t bitmapW, uint32_t bitmapH, Rect* bounds, const float* pos) { 679f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int nPenX = x + glyph->mBitmapLeft; 689f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int nPenY = y + glyph->mBitmapTop; 699f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 709f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int width = (int) glyph->mBitmapWidth; 719f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int height = (int) glyph->mBitmapHeight; 729f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 739f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds->bottom > nPenY) { 749f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->bottom = nPenY; 759f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 769f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds->left > nPenX) { 779f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->left = nPenX; 789f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 799f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds->right < nPenX + width) { 809f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->right = nPenX + width; 819f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 829f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds->top < nPenY + height) { 839f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->top = nPenY + height; 849f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 859f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 869f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 879f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::drawCachedGlyph(CachedGlyphInfo* glyph, int x, int y, 889f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint8_t* bitmap, uint32_t bitmapW, uint32_t bitmapH, Rect* bounds, const float* pos) { 899f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int nPenX = x + glyph->mBitmapLeft; 909f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int nPenY = y + glyph->mBitmapTop + glyph->mBitmapHeight; 919f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 929f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float u1 = glyph->mBitmapMinU; 939f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float u2 = glyph->mBitmapMaxU; 949f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float v1 = glyph->mBitmapMinV; 959f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float v2 = glyph->mBitmapMaxV; 969f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 979f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int width = (int) glyph->mBitmapWidth; 989f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int height = (int) glyph->mBitmapHeight; 999f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1009f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mState->appendMeshQuad(nPenX, nPenY, u1, v2, 1019f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy nPenX + width, nPenY, u2, v2, 1029f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy nPenX + width, nPenY - height, u2, v1, 1039f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy nPenX, nPenY - height, u1, v1, glyph->mCacheTexture); 1049f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 1059f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1069f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::drawCachedGlyphBitmap(CachedGlyphInfo* glyph, int x, int y, 1079f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint8_t* bitmap, uint32_t bitmapW, uint32_t bitmapH, Rect* bounds, const float* pos) { 1089f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int nPenX = x + glyph->mBitmapLeft; 1099f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int nPenY = y + glyph->mBitmapTop; 1109f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1119f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t endX = glyph->mStartX + glyph->mBitmapWidth; 1129f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t endY = glyph->mStartY + glyph->mBitmapHeight; 1139f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1149f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CacheTexture *cacheTexture = glyph->mCacheTexture; 1159f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t cacheWidth = cacheTexture->mWidth; 1169f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const uint8_t* cacheBuffer = cacheTexture->mTexture; 1179f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1189f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t cacheX = 0, cacheY = 0; 1199f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int32_t bX = 0, bY = 0; 1209f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy for (cacheX = glyph->mStartX, bX = nPenX; cacheX < endX; cacheX++, bX++) { 1219f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy for (cacheY = glyph->mStartY, bY = nPenY; cacheY < endY; cacheY++, bY++) { 1229f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#if DEBUG_FONT_RENDERER 1239f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bX < 0 || bY < 0 || bX >= (int32_t) bitmapW || bY >= (int32_t) bitmapH) { 1249f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy ALOGE("Skipping invalid index"); 1259f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy continue; 1269f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1279f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy#endif 1289f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint8_t tempCol = cacheBuffer[cacheY * cacheWidth + cacheX]; 1299f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bitmap[bY * bitmapW + bX] = tempCol; 1309f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1319f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1329f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 1339f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1349f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::drawCachedGlyph(CachedGlyphInfo* glyph, float x, float hOffset, float vOffset, 1359f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkPathMeasure& measure, SkPoint* position, SkVector* tangent) { 1369f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float halfWidth = glyph->mBitmapWidth * 0.5f; 1379f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float height = glyph->mBitmapHeight; 1389f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1399f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy vOffset += glyph->mBitmapTop + height; 1409f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1419f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkPoint destination[4]; 1429f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy measure.getPosTan(x + hOffset + glyph->mBitmapLeft + halfWidth, position, tangent); 1439f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1449f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy // Move along the tangent and offset by the normal 1459f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[0].set(-tangent->fX * halfWidth - tangent->fY * vOffset, 1469f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy -tangent->fY * halfWidth + tangent->fX * vOffset); 1479f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[1].set(tangent->fX * halfWidth - tangent->fY * vOffset, 1489f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy tangent->fY * halfWidth + tangent->fX * vOffset); 1499f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[2].set(destination[1].fX + tangent->fY * height, 1509f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[1].fY - tangent->fX * height); 1519f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[3].set(destination[0].fX + tangent->fY * height, 1529f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy destination[0].fY - tangent->fX * height); 1539f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1549f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float u1 = glyph->mBitmapMinU; 1559f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float u2 = glyph->mBitmapMaxU; 1569f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float v1 = glyph->mBitmapMinV; 1579f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const float v2 = glyph->mBitmapMaxV; 1589f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1599f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mState->appendRotatedMeshQuad( 1609f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy position->fX + destination[0].fX, 1619f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy position->fY + destination[0].fY, u1, v2, 1629f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy position->fX + destination[1].fX, 1639f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy position->fY + destination[1].fY, u2, v2, 1649f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy position->fX + destination[2].fX, 1659f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy position->fY + destination[2].fY, u2, v1, 1669f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy position->fX + destination[3].fX, 1679f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy position->fY + destination[3].fY, u1, v1, 1689f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mCacheTexture); 1699f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 1709f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1719f5dab3fc228fa11c32b483e6101ec086895a32bRomain GuyCachedGlyphInfo* Font::getCachedGlyph(SkPaint* paint, glyph_t textUnit, bool precaching) { 1729f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* cachedGlyph = NULL; 1739f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy ssize_t index = mCachedGlyphs.indexOfKey(textUnit); 1749f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (index >= 0) { 1759f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy cachedGlyph = mCachedGlyphs.valueAt(index); 1769f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } else { 1779f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy cachedGlyph = cacheGlyph(paint, textUnit, precaching); 1789f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1799f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1809f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy // Is the glyph still in texture cache? 1819f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (!cachedGlyph->mIsValid) { 1829f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const SkGlyph& skiaGlyph = GET_METRICS(paint, textUnit); 1839f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy updateGlyphCache(paint, skiaGlyph, cachedGlyph, precaching); 1849f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1859f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1869f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return cachedGlyph; 1879f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 1889f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 1899f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::render(SkPaint* paint, const char* text, uint32_t start, uint32_t len, 1909f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int numGlyphs, int x, int y, uint8_t *bitmap, uint32_t bitmapW, uint32_t bitmapH) { 1919f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bitmap != NULL && bitmapW > 0 && bitmapH > 0) { 1929f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy render(paint, text, start, len, numGlyphs, x, y, BITMAP, bitmap, 1939f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bitmapW, bitmapH, NULL, NULL); 1949f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } else { 1959f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy render(paint, text, start, len, numGlyphs, x, y, FRAMEBUFFER, NULL, 1969f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 0, 0, NULL, NULL); 1979f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 1989f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 1999f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2009f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::render(SkPaint* paint, const char *text, uint32_t start, uint32_t len, 2019f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int numGlyphs, int x, int y, const float* positions) { 2029f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy render(paint, text, start, len, numGlyphs, x, y, FRAMEBUFFER, NULL, 2039f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 0, 0, NULL, positions); 2049f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 2059f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2069f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::render(SkPaint* paint, const char *text, uint32_t start, uint32_t len, 2079f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int numGlyphs, SkPath* path, float hOffset, float vOffset) { 2089f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (numGlyphs == 0 || text == NULL || len == 0) { 2099f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 2109f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2119f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2129f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy text += start; 2139f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2149f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int glyphsCount = 0; 2159f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkFixed prevRsbDelta = 0; 2169f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2179f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float penX = 0.0f; 2189f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2199f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkPoint position; 2209f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkVector tangent; 2219f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2229f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkPathMeasure measure(*path, false); 2239f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float pathLength = SkScalarToFloat(measure.getLength()); 2249f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2259f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (paint->getTextAlign() != SkPaint::kLeft_Align) { 2269f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float textWidth = SkScalarToFloat(paint->measureText(text, len)); 2279f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float pathOffset = pathLength; 2289f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (paint->getTextAlign() == SkPaint::kCenter_Align) { 2299f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy textWidth *= 0.5f; 2309f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy pathOffset *= 0.5f; 2319f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2329f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy penX += pathOffset - textWidth; 2339f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2349f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2359f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy while (glyphsCount < numGlyphs && penX < pathLength) { 2369f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph_t glyph = GET_GLYPH(text); 2379f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2389f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (IS_END_OF_STRING(glyph)) { 2399f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy break; 2409f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2419f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2429f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* cachedGlyph = getCachedGlyph(paint, glyph); 2439f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy penX += SkFixedToFloat(AUTO_KERN(prevRsbDelta, cachedGlyph->mLsbDelta)); 2449f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy prevRsbDelta = cachedGlyph->mRsbDelta; 2459f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2469f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (cachedGlyph->mIsValid) { 2479f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy drawCachedGlyph(cachedGlyph, penX, hOffset, vOffset, measure, &position, &tangent); 2489f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2499f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2509f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy penX += SkFixedToFloat(cachedGlyph->mAdvanceX); 2519f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2529f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyphsCount++; 2539f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2549f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 2559f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2569f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::measure(SkPaint* paint, const char* text, uint32_t start, uint32_t len, 2579f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int numGlyphs, Rect *bounds, const float* positions) { 2589f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (bounds == NULL) { 2599f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy ALOGE("No return rectangle provided to measure text"); 2609f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 2619f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2629f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bounds->set(1e6, -1e6, -1e6, 1e6); 2639f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy render(paint, text, start, len, numGlyphs, 0, 0, MEASURE, NULL, 0, 0, bounds, positions); 2649f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 2659f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2669f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::precache(SkPaint* paint, const char* text, int numGlyphs) { 2679f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2689f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (numGlyphs == 0 || text == NULL) { 2699f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 2709f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2719f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int glyphsCount = 0; 2729f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2739f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy while (glyphsCount < numGlyphs) { 2749f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph_t glyph = GET_GLYPH(text); 2759f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2769f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy // Reached the end of the string 2779f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (IS_END_OF_STRING(glyph)) { 2789f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy break; 2799f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2809f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2819f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* cachedGlyph = getCachedGlyph(paint, glyph, true); 2829f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2839f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyphsCount++; 2849f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2859f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 2869f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2879f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::render(SkPaint* paint, const char* text, uint32_t start, uint32_t len, 2889f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int numGlyphs, int x, int y, RenderMode mode, uint8_t *bitmap, 2899f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t bitmapW, uint32_t bitmapH, Rect* bounds, const float* positions) { 2909f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (numGlyphs == 0 || text == NULL || len == 0) { 2919f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 2929f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 2939f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 2949f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy static RenderGlyph gRenderGlyph[] = { 2959f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy &android::uirenderer::Font::drawCachedGlyph, 2969f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy &android::uirenderer::Font::drawCachedGlyphBitmap, 2979f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy &android::uirenderer::Font::measureCachedGlyph 2989f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy }; 2999f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy RenderGlyph render = gRenderGlyph[mode]; 3009f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3019f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy text += start; 3029f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int glyphsCount = 0; 3039f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3049f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (CC_LIKELY(positions == NULL)) { 3059f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkFixed prevRsbDelta = 0; 3069f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3079f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy float penX = x + 0.5f; 3089f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int penY = y; 3099f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3109f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy while (glyphsCount < numGlyphs) { 3119f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph_t glyph = GET_GLYPH(text); 3129f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3139f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy // Reached the end of the string 3149f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (IS_END_OF_STRING(glyph)) { 3159f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy break; 3169f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3179f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3189f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* cachedGlyph = getCachedGlyph(paint, glyph); 3199f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy penX += SkFixedToFloat(AUTO_KERN(prevRsbDelta, cachedGlyph->mLsbDelta)); 3209f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy prevRsbDelta = cachedGlyph->mRsbDelta; 3219f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3229f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy // If it's still not valid, we couldn't cache it, so we shouldn't draw garbage 3239f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (cachedGlyph->mIsValid) { 3249f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy (*this.*render)(cachedGlyph, (int) floorf(penX), penY, 3259f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bitmap, bitmapW, bitmapH, bounds, positions); 3269f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3279f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3289f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy penX += SkFixedToFloat(cachedGlyph->mAdvanceX); 3299f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3309f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyphsCount++; 3319f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3329f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } else { 3339f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const SkPaint::Align align = paint->getTextAlign(); 3349f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3359f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy // This is for renderPosText() 3369f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy while (glyphsCount < numGlyphs) { 3379f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph_t glyph = GET_GLYPH(text); 3389f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3399f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy // Reached the end of the string 3409f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (IS_END_OF_STRING(glyph)) { 3419f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy break; 3429f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3439f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3449f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* cachedGlyph = getCachedGlyph(paint, glyph); 3459f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3469f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy // If it's still not valid, we couldn't cache it, so we shouldn't draw garbage 3479f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (cachedGlyph->mIsValid) { 3489f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int penX = x + positions[(glyphsCount << 1)]; 3499f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int penY = y + positions[(glyphsCount << 1) + 1]; 3509f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3519f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy switch (align) { 3529f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy case SkPaint::kRight_Align: 3539f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy penX -= SkFixedToFloat(cachedGlyph->mAdvanceX); 3549f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy penY -= SkFixedToFloat(cachedGlyph->mAdvanceY); 3559f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy break; 3569f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy case SkPaint::kCenter_Align: 3579f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy penX -= SkFixedToFloat(cachedGlyph->mAdvanceX >> 1); 3589f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy penY -= SkFixedToFloat(cachedGlyph->mAdvanceY >> 1); 3599f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy default: 3609f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy break; 3619f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3629f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3639f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy (*this.*render)(cachedGlyph, penX, penY, 3649f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bitmap, bitmapW, bitmapH, bounds, positions); 3659f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3669f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3679f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyphsCount++; 3689f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3699f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3709f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 3719f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3729f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guyvoid Font::updateGlyphCache(SkPaint* paint, const SkGlyph& skiaGlyph, CachedGlyphInfo* glyph, 3739f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy bool precaching) { 3749f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mAdvanceX = skiaGlyph.fAdvanceX; 3759f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mAdvanceY = skiaGlyph.fAdvanceY; 3769f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapLeft = skiaGlyph.fLeft; 3779f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapTop = skiaGlyph.fTop; 3789f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mLsbDelta = skiaGlyph.fLsbDelta; 3799f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mRsbDelta = skiaGlyph.fRsbDelta; 3809f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3819f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t startX = 0; 3829f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t startY = 0; 3839f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3849f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy // Get the bitmap for the glyph 3859f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy paint->findImage(skiaGlyph); 3869f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mState->cacheBitmap(skiaGlyph, glyph, &startX, &startY, precaching); 3879f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3889f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (!glyph->mIsValid) { 3899f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return; 3909f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 3919f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3929f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t endX = startX + skiaGlyph.fWidth; 3939f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t endY = startY + skiaGlyph.fHeight; 3949f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 3959f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mStartX = startX; 3969f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mStartY = startY; 3979f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapWidth = skiaGlyph.fWidth; 3989f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapHeight = skiaGlyph.fHeight; 3999f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4009f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t cacheWidth = glyph->mCacheTexture->mWidth; 4019f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy uint32_t cacheHeight = glyph->mCacheTexture->mHeight; 4029f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4039f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapMinU = startX / (float) cacheWidth; 4049f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapMinV = startY / (float) cacheHeight; 4059f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapMaxU = endX / (float) cacheWidth; 4069f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy glyph->mBitmapMaxV = endY / (float) cacheHeight; 4079f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4089f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mState->mUploadTexture = true; 4099f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 4109f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4119f5dab3fc228fa11c32b483e6101ec086895a32bRomain GuyCachedGlyphInfo* Font::cacheGlyph(SkPaint* paint, glyph_t glyph, bool precaching) { 4129f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy CachedGlyphInfo* newGlyph = new CachedGlyphInfo(); 4139f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy mCachedGlyphs.add(glyph, newGlyph); 4149f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4159f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy const SkGlyph& skiaGlyph = GET_METRICS(paint, glyph); 4169f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy newGlyph->mGlyphIndex = skiaGlyph.fID; 4179f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy newGlyph->mIsValid = false; 4189f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4199f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy updateGlyphCache(paint, skiaGlyph, newGlyph, precaching); 4209f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4219f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return newGlyph; 4229f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 4239f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4249f5dab3fc228fa11c32b483e6101ec086895a32bRomain GuyFont* Font::create(FontRenderer* state, uint32_t fontId, float fontSize, 4259f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy int flags, uint32_t italicStyle, uint32_t scaleX, 4269f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy SkPaint::Style style, uint32_t strokeWidth) { 4279f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy Vector<Font*> &activeFonts = state->mActiveFonts; 4289f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4299f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy for (uint32_t i = 0; i < activeFonts.size(); i++) { 4309f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy Font* font = activeFonts[i]; 4319f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy if (font->mFontId == fontId && font->mFontSize == fontSize && 4329f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy font->mFlags == flags && font->mItalicStyle == italicStyle && 4339f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy font->mScaleX == scaleX && font->mStyle == style && 4349f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy (style == SkPaint::kFill_Style || font->mStrokeWidth == strokeWidth)) { 4359f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return font; 4369f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 4379f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy } 4389f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4399f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy Font* newFont = new Font(state, fontId, fontSize, flags, italicStyle, 4409f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy scaleX, style, strokeWidth); 4419f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy activeFonts.push(newFont); 4429f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy return newFont; 4439f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy} 4449f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy 4459f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy}; // namespace uirenderer 4469f5dab3fc228fa11c32b483e6101ec086895a32bRomain Guy}; // namespace android 447