rsFont.cpp revision b38d534873ca514f5a5230596c838aa37eca1568
19b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 29b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk/* 39b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk * Copyright (C) 2009 The Android Open Source Project 49b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk * 59b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk * Licensed under the Apache License, Version 2.0 (the "License"); 69b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk * you may not use this file except in compliance with the License. 79b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk * You may obtain a copy of the License at 89b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk * 99b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk * http://www.apache.org/licenses/LICENSE-2.0 109b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk * 119b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk * Unless required by applicable law or agreed to in writing, software 129b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk * distributed under the License is distributed on an "AS IS" BASIS, 139b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 149b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk * See the License for the specific language governing permissions and 159b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk * limitations under the License. 169b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk */ 179b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 189b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk#ifndef ANDROID_RS_BUILD_FOR_HOST 199b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk#include "rsContext.h" 209b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk#else 219b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk#include "rsContextHostStub.h" 229b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk#endif 239b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 249b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk#include "rsFont.h" 259b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk#include "rsProgramFragment.h" 263bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk#include <cutils/properties.h> 279b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk#include FT_BITMAP_H 289b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 299b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk#include <GLES/gl.h> 309b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk#include <GLES/glext.h> 319b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk#include <GLES2/gl2.h> 329b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk#include <GLES2/gl2ext.h> 339b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 349b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchoukusing namespace android; 359b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchoukusing namespace android::renderscript; 369b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 379b949fce39f0f39ce9275b71d7c347210775e7a8Alex SakhartchoukFont::Font(Context *rsc) : ObjectBase(rsc), mCachedGlyphs(NULL) 389b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk{ 399b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mInitialized = false; 409b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mHasKerning = false; 41b6b34891fa7f76c99f5e9a3096576ada86c99f1eAlex Sakhartchouk mFace = NULL; 429b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 439b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 449b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchoukbool Font::init(const char *name, uint32_t fontSize, uint32_t dpi) 459b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk{ 469b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if(mInitialized) { 479b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk LOGE("Reinitialization of fonts not supported"); 489b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk return false; 499b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 509b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 519b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk String8 fontsDir("/fonts/"); 529b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk String8 fullPath(getenv("ANDROID_ROOT")); 539b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk fullPath += fontsDir; 549b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk fullPath += name; 559b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 56071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk FT_Error error = FT_New_Face(mRSC->mStateFont.getLib(), fullPath.string(), 0, &mFace); 579b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if(error) { 589b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk LOGE("Unable to initialize font %s", fullPath.string()); 599b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk return false; 609b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 619b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 629b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mFontName = name; 639b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mFontSize = fontSize; 649b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mDpi = dpi; 659b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 669b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk error = FT_Set_Char_Size(mFace, fontSize * 64, 0, dpi, 0); 679b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if(error) { 689b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk LOGE("Unable to set font size on %s", fullPath.string()); 699b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk return false; 709b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 719b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 729b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mHasKerning = FT_HAS_KERNING(mFace); 739b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 749b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mInitialized = true; 759b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk return true; 769b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 779b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 789b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchoukvoid Font::invalidateTextureCache() 799b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk{ 809b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk for(uint32_t i = 0; i < mCachedGlyphs.size(); i ++) { 819b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mCachedGlyphs.valueAt(i)->mIsValid = false; 829b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 839b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 849b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 8510825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchoukvoid Font::drawCachedGlyph(CachedGlyphInfo *glyph, int32_t x, int32_t y) 869b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk{ 879b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk FontState *state = &mRSC->mStateFont; 889b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 8910825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk int32_t nPenX = x + glyph->mBitmapLeft; 9010825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk int32_t nPenY = y - glyph->mBitmapTop + glyph->mBitmapHeight; 919b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 9210825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk float u1 = glyph->mBitmapMinU; 9310825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk float u2 = glyph->mBitmapMaxU; 9410825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk float v1 = glyph->mBitmapMinV; 9510825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk float v2 = glyph->mBitmapMaxV; 969b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 9710825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk int32_t width = (int32_t) glyph->mBitmapWidth; 9810825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk int32_t height = (int32_t) glyph->mBitmapHeight; 999b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 10010825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk state->appendMeshQuad(nPenX, nPenY, 0, u1, v2, 10110825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk nPenX + width, nPenY, 0, u2, v2, 10210825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk nPenX + width, nPenY - height, 0, u2, v1, 10310825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk nPenX, nPenY - height, 0, u1, v1); 10410825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk} 10510825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk 10610825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchoukvoid Font::drawCachedGlyph(CachedGlyphInfo* glyph, int32_t x, int32_t y, 10710825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk uint8_t* bitmap, uint32_t bitmapW, uint32_t bitmapH) { 10810825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk int32_t nPenX = x + glyph->mBitmapLeft; 10910825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk int32_t nPenY = y + glyph->mBitmapTop; 11010825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk 11110825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk uint32_t endX = glyph->mBitmapMinX + glyph->mBitmapWidth; 11210825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk uint32_t endY = glyph->mBitmapMinY + glyph->mBitmapHeight; 11310825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk 11410825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk FontState *state = &mRSC->mStateFont; 11510825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk uint32_t cacheWidth = state->getCacheTextureType()->getDimX(); 11610825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk const uint8_t* cacheBuffer = state->getTextTextureData(); 11710825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk 11810825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk uint32_t cacheX = 0, cacheY = 0; 11910825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk int32_t bX = 0, bY = 0; 12010825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk for (cacheX = glyph->mBitmapMinX, bX = nPenX; cacheX < endX; cacheX++, bX++) { 12110825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk for (cacheY = glyph->mBitmapMinY, bY = nPenY; cacheY < endY; cacheY++, bY++) { 12210825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk if (bX < 0 || bY < 0 || bX >= (int32_t) bitmapW || bY >= (int32_t) bitmapH) { 12310825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk LOGE("Skipping invalid index"); 12410825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk continue; 12510825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk } 12610825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk uint8_t tempCol = cacheBuffer[cacheY * cacheWidth + cacheX]; 12710825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk bitmap[bY * bitmapW + bX] = tempCol; 12810825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk } 12910825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk } 1309b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 1319b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 1329b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 13310825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchoukvoid Font::measureCachedGlyph(CachedGlyphInfo *glyph, int32_t x, int32_t y, Rect *bounds) { 13410825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk int32_t nPenX = x + glyph->mBitmapLeft; 13510825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk int32_t nPenY = y - glyph->mBitmapTop + glyph->mBitmapHeight; 13610825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk 13710825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk int32_t width = (int32_t) glyph->mBitmapWidth; 13810825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk int32_t height = (int32_t) glyph->mBitmapHeight; 13910825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk 14010825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk if (bounds->bottom > nPenY) { 14110825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk bounds->bottom = nPenY; 14210825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk } 14310825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk if (bounds->left > nPenX) { 14410825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk bounds->left = nPenX; 14510825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk } 14610825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk if (bounds->right < nPenX + width) { 14710825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk bounds->right = nPenX + width; 14810825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk } 14910825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk if (bounds->top < nPenY + height) { 15010825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk bounds->top = nPenY + height; 15110825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk } 15210825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk} 15310825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk 15410825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchoukvoid Font::renderUTF(const char *text, uint32_t len, int32_t x, int32_t y, 15510825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk uint32_t start, int32_t numGlyphs, 15610825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk RenderMode mode, Rect *bounds, 15710825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk uint8_t *bitmap, uint32_t bitmapW, uint32_t bitmapH) 1589b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk{ 1599b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if(!mInitialized || numGlyphs == 0 || text == NULL || len == 0) { 1609b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk return; 1619b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 1629b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 16310825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk if(mode == Font::MEASURE) { 16410825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk if (bounds == NULL) { 16510825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk LOGE("No return rectangle provided to measure text"); 16610825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk return; 16710825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk } 16810825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk // Reset min and max of the bounding box to something large 16910825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk bounds->set(1e6, -1e6, -1e6, 1e6); 17010825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk } 17110825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk 17210825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk int32_t penX = x, penY = y; 17310825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk int32_t glyphsLeft = 1; 1749b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if(numGlyphs > 0) { 1759b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk glyphsLeft = numGlyphs; 1769b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 1779b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 1789b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk size_t index = start; 1799b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk size_t nextIndex = 0; 1809b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 1819b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk while (glyphsLeft > 0) { 1829b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 1839b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk int32_t utfChar = utf32_at(text, len, index, &nextIndex); 1849b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 1859b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk // Reached the end of the string or encountered 1869b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if(utfChar < 0) { 1879b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk break; 1889b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 1899b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 1909b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk // Move to the next character in the array 1919b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk index = nextIndex; 1929b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 19394bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk CachedGlyphInfo *cachedGlyph = getCachedUTFChar(utfChar); 1949b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 1959b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk // If it's still not valid, we couldn't cache it, so we shouldn't draw garbage 1969b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if(cachedGlyph->mIsValid) { 19710825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk switch(mode) { 19810825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk case FRAMEBUFFER: 19910825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk drawCachedGlyph(cachedGlyph, penX, penY); 20010825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk break; 20110825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk case BITMAP: 20210825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk drawCachedGlyph(cachedGlyph, penX, penY, bitmap, bitmapW, bitmapH); 20310825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk break; 20410825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk case MEASURE: 20510825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk measureCachedGlyph(cachedGlyph, penX, penY, bounds); 20610825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk break; 20710825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk } 2089b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 2099b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 2109b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk penX += (cachedGlyph->mAdvance.x >> 6); 2119b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 2129b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk // If we were given a specific number of glyphs, decrement 2139b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if(numGlyphs > 0) { 2149b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk glyphsLeft --; 2159b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 2169b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 2179b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 2189b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 21994bbccc36322168a596369c8341dad938c8f949fAlex SakhartchoukFont::CachedGlyphInfo* Font::getCachedUTFChar(int32_t utfChar) { 22094bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk 22194bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk CachedGlyphInfo *cachedGlyph = mCachedGlyphs.valueFor((uint32_t)utfChar); 22294bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk if(cachedGlyph == NULL) { 22394bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk cachedGlyph = cacheGlyph((uint32_t)utfChar); 22494bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk } 22594bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk // Is the glyph still in texture cache? 22694bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk if(!cachedGlyph->mIsValid) { 22794bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk updateGlyphCache(cachedGlyph); 22894bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk } 22994bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk 23094bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk return cachedGlyph; 23194bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk} 23294bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk 2339b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchoukvoid Font::updateGlyphCache(CachedGlyphInfo *glyph) 2349b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk{ 235071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk FT_Error error = FT_Load_Glyph( mFace, glyph->mGlyphIndex, FT_LOAD_RENDER ); 236071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk if(error) { 237071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk LOGE("Couldn't load glyph."); 238071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk return; 239071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk } 2409b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 241071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk glyph->mAdvance = mFace->glyph->advance; 242071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk glyph->mBitmapLeft = mFace->glyph->bitmap_left; 243071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk glyph->mBitmapTop = mFace->glyph->bitmap_top; 2449b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 245071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk FT_Bitmap *bitmap = &mFace->glyph->bitmap; 2469b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 2479b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk // Now copy the bitmap into the cache texture 2489b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk uint32_t startX = 0; 2499b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk uint32_t startY = 0; 2509b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 2519b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk // Let the font state figure out where to put the bitmap 2529b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk FontState *state = &mRSC->mStateFont; 253071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk glyph->mIsValid = state->cacheBitmap(bitmap, &startX, &startY); 2549b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 2559b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if(!glyph->mIsValid) { 2569b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk return; 2579b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 2589b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 259071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk uint32_t endX = startX + bitmap->width; 260071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk uint32_t endY = startY + bitmap->rows; 2619b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 2629b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk glyph->mBitmapMinX = startX; 2639b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk glyph->mBitmapMinY = startY; 264071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk glyph->mBitmapWidth = bitmap->width; 265071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk glyph->mBitmapHeight = bitmap->rows; 2669b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 2679b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk uint32_t cacheWidth = state->getCacheTextureType()->getDimX(); 2689b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk uint32_t cacheHeight = state->getCacheTextureType()->getDimY(); 2699b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 2709b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk glyph->mBitmapMinU = (float)startX / (float)cacheWidth; 2719b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk glyph->mBitmapMinV = (float)startY / (float)cacheHeight; 2729b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk glyph->mBitmapMaxU = (float)endX / (float)cacheWidth; 2739b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk glyph->mBitmapMaxV = (float)endY / (float)cacheHeight; 2749b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 2759b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 2769b949fce39f0f39ce9275b71d7c347210775e7a8Alex SakhartchoukFont::CachedGlyphInfo *Font::cacheGlyph(uint32_t glyph) 2779b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk{ 2789b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk CachedGlyphInfo *newGlyph = new CachedGlyphInfo(); 2799b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mCachedGlyphs.add(glyph, newGlyph); 2809b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 2819b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk newGlyph->mGlyphIndex = FT_Get_Char_Index(mFace, glyph); 2829b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk newGlyph->mIsValid = false; 2839b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 2849b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk updateGlyphCache(newGlyph); 2859b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 2869b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk return newGlyph; 2879b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 2889b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 2899b949fce39f0f39ce9275b71d7c347210775e7a8Alex SakhartchoukFont * Font::create(Context *rsc, const char *name, uint32_t fontSize, uint32_t dpi) 2909b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk{ 29127f50523a45100f3b4861762b6263e0b9ba6e22eAlex Sakhartchouk rsc->mStateFont.checkInit(); 2929b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk Vector<Font*> &activeFonts = rsc->mStateFont.mActiveFonts; 2939b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 2949b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk for(uint32_t i = 0; i < activeFonts.size(); i ++) { 2959b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk Font *ithFont = activeFonts[i]; 2969b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if(ithFont->mFontName == name && ithFont->mFontSize == fontSize && ithFont->mDpi == dpi) { 2979b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk return ithFont; 2989b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 2999b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 3009b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 3019b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk Font *newFont = new Font(rsc); 3029b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk bool isInitialized = newFont->init(name, fontSize, dpi); 3039b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if(isInitialized) { 3049b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk activeFonts.push(newFont); 30594bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk rsc->mStateFont.precacheLatin(newFont); 3069b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk return newFont; 3079b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 3089b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 309b38d534873ca514f5a5230596c838aa37eca1568Jason Sams ObjectBase::checkDelete(newFont); 3109b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk return NULL; 3119b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 3129b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 3139b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 3149b949fce39f0f39ce9275b71d7c347210775e7a8Alex SakhartchoukFont::~Font() 3159b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk{ 3169b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if(mFace) { 3179b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk FT_Done_Face(mFace); 3189b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 3199b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 3209b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk for (uint32_t ct = 0; ct < mRSC->mStateFont.mActiveFonts.size(); ct++) { 3219b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if (mRSC->mStateFont.mActiveFonts[ct] == this) { 3229b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mRSC->mStateFont.mActiveFonts.removeAt(ct); 3239b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk break; 3249b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 3259b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 3269b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 3279b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk for(uint32_t i = 0; i < mCachedGlyphs.size(); i ++) { 3289b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk CachedGlyphInfo *glyph = mCachedGlyphs.valueAt(i); 3299b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk delete glyph; 3309b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 3319b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 3329b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 3339b949fce39f0f39ce9275b71d7c347210775e7a8Alex SakhartchoukFontState::FontState() 3349b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk{ 3359b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mInitialized = false; 3369b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mMaxNumberOfQuads = 1024; 3379b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mCurrentQuadIndex = 0; 3389b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mRSC = NULL; 339b6b34891fa7f76c99f5e9a3096576ada86c99f1eAlex Sakhartchouk mLibrary = NULL; 3403bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk 3413bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk // Get the renderer properties 3423bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk char property[PROPERTY_VALUE_MAX]; 3433bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk 3443bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk // Get the gamma 3453bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk float gamma = DEFAULT_TEXT_GAMMA; 3463bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk if (property_get(PROPERTY_TEXT_GAMMA, property, NULL) > 0) { 3473bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk LOGD(" Setting text gamma to %s", property); 3483bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk gamma = atof(property); 3493bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk } else { 3503bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk LOGD(" Using default text gamma of %.2f", DEFAULT_TEXT_GAMMA); 3513bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk } 3523bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk 3533bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk // Get the black gamma threshold 35410825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk int32_t blackThreshold = DEFAULT_TEXT_BLACK_GAMMA_THRESHOLD; 3553bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk if (property_get(PROPERTY_TEXT_BLACK_GAMMA_THRESHOLD, property, NULL) > 0) { 3563bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk LOGD(" Setting text black gamma threshold to %s", property); 3573bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk blackThreshold = atoi(property); 3583bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk } else { 3593bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk LOGD(" Using default text black gamma threshold of %d", 3603bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk DEFAULT_TEXT_BLACK_GAMMA_THRESHOLD); 3613bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk } 3623bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk mBlackThreshold = (float)(blackThreshold) / 255.0f; 3633bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk 3643bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk // Get the white gamma threshold 36510825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk int32_t whiteThreshold = DEFAULT_TEXT_WHITE_GAMMA_THRESHOLD; 3663bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk if (property_get(PROPERTY_TEXT_WHITE_GAMMA_THRESHOLD, property, NULL) > 0) { 3673bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk LOGD(" Setting text white gamma threshold to %s", property); 3683bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk whiteThreshold = atoi(property); 3693bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk } else { 3703bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk LOGD(" Using default white black gamma threshold of %d", 3713bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk DEFAULT_TEXT_WHITE_GAMMA_THRESHOLD); 3723bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk } 3733bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk mWhiteThreshold = (float)(whiteThreshold) / 255.0f; 3743bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk 3753bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk // Compute the gamma tables 3763bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk mBlackGamma = gamma; 3773bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk mWhiteGamma = 1.0f / gamma; 378960ae15cf37fe31790e255521ee2045312e82d36Alex Sakhartchouk 379960ae15cf37fe31790e255521ee2045312e82d36Alex Sakhartchouk setFontColor(0.1f, 0.1f, 0.1f, 1.0f); 3809b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 3819b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 3829b949fce39f0f39ce9275b71d7c347210775e7a8Alex SakhartchoukFontState::~FontState() 3839b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk{ 3849b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk for(uint32_t i = 0; i < mCacheLines.size(); i ++) { 3859b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk delete mCacheLines[i]; 3869b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 3879b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 3889b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk rsAssert(!mActiveFonts.size()); 3899b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 3909b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 391071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex SakhartchoukFT_Library FontState::getLib() 3929b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk{ 3939b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if(!mLibrary) { 394071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk FT_Error error = FT_Init_FreeType(&mLibrary); 3959b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if(error) { 3969b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk LOGE("Unable to initialize freetype"); 397071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk return NULL; 3989b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 3999b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 400b6b34891fa7f76c99f5e9a3096576ada86c99f1eAlex Sakhartchouk 401071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk return mLibrary; 402071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk} 4039b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 404071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchoukvoid FontState::init(Context *rsc) 405071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk{ 406071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk mRSC = rsc; 4079b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 4089b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 4099b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchoukvoid FontState::flushAllAndInvalidate() 4109b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk{ 4119b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if(mCurrentQuadIndex != 0) { 4129b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk issueDrawCommand(); 4139b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mCurrentQuadIndex = 0; 4149b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 4159b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk for(uint32_t i = 0; i < mActiveFonts.size(); i ++) { 4169b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mActiveFonts[i]->invalidateTextureCache(); 4179b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 4189b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk for(uint32_t i = 0; i < mCacheLines.size(); i ++) { 4199b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mCacheLines[i]->mCurrentCol = 0; 4209b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 4219b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 4229b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 4239b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchoukbool FontState::cacheBitmap(FT_Bitmap *bitmap, uint32_t *retOriginX, uint32_t *retOriginY) 4249b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk{ 4259b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk // If the glyph is too tall, don't cache it 4269b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if((uint32_t)bitmap->rows > mCacheLines[mCacheLines.size()-1]->mMaxHeight) { 4279b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk LOGE("Font size to large to fit in cache. width, height = %i, %i", (int)bitmap->width, (int)bitmap->rows); 4289b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk return false; 4299b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 4309b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 4319b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk // Now copy the bitmap into the cache texture 4329b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk uint32_t startX = 0; 4339b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk uint32_t startY = 0; 4349b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 4359b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk bool bitmapFit = false; 4369b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk for(uint32_t i = 0; i < mCacheLines.size(); i ++) { 4379b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk bitmapFit = mCacheLines[i]->fitBitmap(bitmap, &startX, &startY); 4389b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if(bitmapFit) { 4399b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk break; 4409b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 4419b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 4429b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 4439b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk // If the new glyph didn't fit, flush the state so far and invalidate everything 4449b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if(!bitmapFit) { 4459b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk flushAllAndInvalidate(); 4469b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 4479b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk // Try to fit it again 4489b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk for(uint32_t i = 0; i < mCacheLines.size(); i ++) { 4499b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk bitmapFit = mCacheLines[i]->fitBitmap(bitmap, &startX, &startY); 4509b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if(bitmapFit) { 4519b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk break; 4529b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 4539b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 4549b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 4559b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk // if we still don't fit, something is wrong and we shouldn't draw 4569b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if(!bitmapFit) { 4579b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk LOGE("Bitmap doesn't fit in cache. width, height = %i, %i", (int)bitmap->width, (int)bitmap->rows); 4589b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk return false; 4599b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 4609b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 4619b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 4629b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk *retOriginX = startX; 4639b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk *retOriginY = startY; 4649b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 4659b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk uint32_t endX = startX + bitmap->width; 4669b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk uint32_t endY = startY + bitmap->rows; 4679b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 4689b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk uint32_t cacheWidth = getCacheTextureType()->getDimX(); 4699b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 47010825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk uint8_t *cacheBuffer = (uint8_t*)mTextTexture->getPtr(); 47110825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk uint8_t *bitmapBuffer = bitmap->buffer; 4729b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 4739b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk uint32_t cacheX = 0, bX = 0, cacheY = 0, bY = 0; 4749b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk for(cacheX = startX, bX = 0; cacheX < endX; cacheX ++, bX ++) { 4759b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk for(cacheY = startY, bY = 0; cacheY < endY; cacheY ++, bY ++) { 47610825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk uint8_t tempCol = bitmapBuffer[bY * bitmap->width + bX]; 4779b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk cacheBuffer[cacheY*cacheWidth + cacheX] = tempCol; 4789b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 4799b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 4809b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 4819b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk // This will dirty the texture and the shader so next time 4829b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk // we draw it will upload the data 4839b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mTextTexture->deferedUploadToTexture(mRSC, false, 0); 484b89aaacb2ca9d062e0a17a32e3d4dbf3f6948a17Alex Sakhartchouk mFontShaderF->bindTexture(mRSC, 0, mTextTexture.get()); 4859b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 4869b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk // Some debug code 4879b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk /*for(uint32_t i = 0; i < mCacheLines.size(); i ++) { 4889b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk LOGE("Cache Line: H: %u Empty Space: %f", 4899b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mCacheLines[i]->mMaxHeight, 4909b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk (1.0f - (float)mCacheLines[i]->mCurrentCol/(float)mCacheLines[i]->mMaxWidth)*100.0f); 4919b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 4929b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk }*/ 4939b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 4949b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk return true; 4959b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 4969b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 4979b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchoukvoid FontState::initRenderState() 4989b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk{ 499d2091639be426574c04f74969fe553162d7a51c9Alex Sakhartchouk String8 shaderString("varying vec2 varTex0;\n"); 500c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk shaderString.append("void main() {\n"); 501c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk shaderString.append(" lowp vec4 col = UNI_Color;\n"); 502c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk shaderString.append(" col.a = texture2D(UNI_Tex0, varTex0.xy).a;\n"); 5033bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk shaderString.append(" col.a = pow(col.a, UNI_Gamma);\n"); 504c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk shaderString.append(" gl_FragColor = col;\n"); 505c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk shaderString.append("}\n"); 506c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk 507c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk const Element *colorElem = Element::create(mRSC, RS_TYPE_FLOAT_32, RS_KIND_USER, false, 4); 5083bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk const Element *gammaElem = Element::create(mRSC, RS_TYPE_FLOAT_32, RS_KIND_USER, false, 1); 509c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk mRSC->mStateElement.elementBuilderBegin(); 510c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk mRSC->mStateElement.elementBuilderAdd(colorElem, "Color", 1); 5113bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk mRSC->mStateElement.elementBuilderAdd(gammaElem, "Gamma", 1); 512c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk const Element *constInput = mRSC->mStateElement.elementBuilderCreate(mRSC); 513c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk 514c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk Type *inputType = new Type(mRSC); 515c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk inputType->setElement(constInput); 516c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk inputType->setDimX(1); 517c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk inputType->compute(); 518c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk 519c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk uint32_t tmp[4]; 520c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk tmp[0] = RS_PROGRAM_PARAM_CONSTANT; 521c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk tmp[1] = (uint32_t)inputType; 522c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk tmp[2] = RS_PROGRAM_PARAM_TEXTURE_COUNT; 523c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk tmp[3] = 1; 524c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk 525c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk mFontShaderFConstant.set(new Allocation(mRSC, inputType)); 526c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk ProgramFragment *pf = new ProgramFragment(mRSC, shaderString.string(), 527c984dd73c6f96d16e11813ae433ef70f7648ae77Alex Sakhartchouk shaderString.length(), tmp, 4); 5289b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mFontShaderF.set(pf); 529b89aaacb2ca9d062e0a17a32e3d4dbf3f6948a17Alex Sakhartchouk mFontShaderF->bindAllocation(mRSC, mFontShaderFConstant.get(), 0); 5309b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 5319b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk Sampler *sampler = new Sampler(mRSC, RS_SAMPLER_NEAREST, RS_SAMPLER_NEAREST, 5329b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk RS_SAMPLER_CLAMP, RS_SAMPLER_CLAMP, RS_SAMPLER_CLAMP); 5339b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mFontSampler.set(sampler); 534b89aaacb2ca9d062e0a17a32e3d4dbf3f6948a17Alex Sakhartchouk mFontShaderF->bindSampler(mRSC, 0, sampler); 5359b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 5369b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk ProgramStore *fontStore = new ProgramStore(mRSC); 5379b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mFontProgramStore.set(fontStore); 5389b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mFontProgramStore->setDepthFunc(RS_DEPTH_FUNC_ALWAYS); 5399b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mFontProgramStore->setBlendFunc(RS_BLEND_SRC_SRC_ALPHA, RS_BLEND_DST_ONE_MINUS_SRC_ALPHA); 5409b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mFontProgramStore->setDitherEnable(false); 5419b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mFontProgramStore->setDepthMask(false); 5429b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 5439b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 5449b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchoukvoid FontState::initTextTexture() 5459b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk{ 5469b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk const Element *alphaElem = Element::create(mRSC, RS_TYPE_UNSIGNED_8, RS_KIND_PIXEL_A, true, 1); 5479b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 5489b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk // We will allocate a texture to initially hold 32 character bitmaps 5499b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk Type *texType = new Type(mRSC); 5509b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk texType->setElement(alphaElem); 5519b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk texType->setDimX(1024); 5529b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk texType->setDimY(256); 5539b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk texType->compute(); 5549b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 5559b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk Allocation *cacheAlloc = new Allocation(mRSC, texType); 5569b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mTextTexture.set(cacheAlloc); 5579b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mTextTexture->deferedUploadToTexture(mRSC, false, 0); 5589b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 5599b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk // Split up our cache texture into lines of certain widths 56010825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk int32_t nextLine = 0; 5619b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(16, texType->getDimX(), nextLine, 0)); 5629b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk nextLine += mCacheLines.top()->mMaxHeight; 5639b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(24, texType->getDimX(), nextLine, 0)); 5649b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk nextLine += mCacheLines.top()->mMaxHeight; 56594bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk mCacheLines.push(new CacheTextureLine(24, texType->getDimX(), nextLine, 0)); 56694bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk nextLine += mCacheLines.top()->mMaxHeight; 5679b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(32, texType->getDimX(), nextLine, 0)); 5689b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk nextLine += mCacheLines.top()->mMaxHeight; 5699b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(32, texType->getDimX(), nextLine, 0)); 5709b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk nextLine += mCacheLines.top()->mMaxHeight; 5719b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(40, texType->getDimX(), nextLine, 0)); 5729b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk nextLine += mCacheLines.top()->mMaxHeight; 5739b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(texType->getDimY() - nextLine, texType->getDimX(), nextLine, 0)); 5749b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 5759b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 5769b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk// Avoid having to reallocate memory and render quad by quad 5779b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchoukvoid FontState::initVertexArrayBuffers() 5789b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk{ 5799b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk // Now lets write index data 5809b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk const Element *indexElem = Element::create(mRSC, RS_TYPE_UNSIGNED_16, RS_KIND_USER, false, 1); 5819b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk Type *indexType = new Type(mRSC); 5829b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk uint32_t numIndicies = mMaxNumberOfQuads * 6; 5839b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk indexType->setDimX(numIndicies); 5849b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk indexType->setElement(indexElem); 5859b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk indexType->compute(); 5869b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 5879b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk Allocation *indexAlloc = new Allocation(mRSC, indexType); 5889b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk uint16_t *indexPtr = (uint16_t*)indexAlloc->getPtr(); 5899b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 5909b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk // Four verts, two triangles , six indices per quad 5919b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk for(uint32_t i = 0; i < mMaxNumberOfQuads; i ++) { 59210825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk int32_t i6 = i * 6; 59310825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk int32_t i4 = i * 4; 5949b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 5959b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk indexPtr[i6 + 0] = i4 + 0; 5969b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk indexPtr[i6 + 1] = i4 + 1; 5979b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk indexPtr[i6 + 2] = i4 + 2; 5989b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 5999b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk indexPtr[i6 + 3] = i4 + 0; 6009b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk indexPtr[i6 + 4] = i4 + 2; 6019b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk indexPtr[i6 + 5] = i4 + 3; 6029b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 6039b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 6049b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk indexAlloc->deferedUploadToBufferObject(mRSC); 6059b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mIndexBuffer.set(indexAlloc); 6069b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 6079b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk const Element *posElem = Element::create(mRSC, RS_TYPE_FLOAT_32, RS_KIND_USER, false, 3); 6089b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk const Element *texElem = Element::create(mRSC, RS_TYPE_FLOAT_32, RS_KIND_USER, false, 2); 6099b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 61098bfe5d02a81c15fff52570178a2edd830701665Alex Sakhartchouk mRSC->mStateElement.elementBuilderBegin(); 61198bfe5d02a81c15fff52570178a2edd830701665Alex Sakhartchouk mRSC->mStateElement.elementBuilderAdd(posElem, "position", 1); 61298bfe5d02a81c15fff52570178a2edd830701665Alex Sakhartchouk mRSC->mStateElement.elementBuilderAdd(texElem, "texture0", 1); 61398bfe5d02a81c15fff52570178a2edd830701665Alex Sakhartchouk const Element *vertexDataElem = mRSC->mStateElement.elementBuilderCreate(mRSC); 6149b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 6159b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk Type *vertexDataType = new Type(mRSC); 6169b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk vertexDataType->setDimX(mMaxNumberOfQuads * 4); 6179b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk vertexDataType->setElement(vertexDataElem); 6189b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk vertexDataType->compute(); 6199b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 6209b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk Allocation *vertexAlloc = new Allocation(mRSC, vertexDataType); 6219b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mTextMeshPtr = (float*)vertexAlloc->getPtr(); 6229b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 6239b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mVertexArray.set(vertexAlloc); 6249b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 6259b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 6269b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk// We don't want to allocate anything unless we actually draw text 6279b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchoukvoid FontState::checkInit() 6289b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk{ 6299b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if(mInitialized) { 6309b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk return; 6319b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 6329b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 6339b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk initTextTexture(); 6349b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk initRenderState(); 6359b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 6369b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk initVertexArrayBuffers(); 6379b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 63827f50523a45100f3b4861762b6263e0b9ba6e22eAlex Sakhartchouk // We store a string with letters in a rough frequency of occurrence 63927f50523a45100f3b4861762b6263e0b9ba6e22eAlex Sakhartchouk mLatinPrecache = String8(" eisarntolcdugpmhbyfvkwzxjq"); 64027f50523a45100f3b4861762b6263e0b9ba6e22eAlex Sakhartchouk mLatinPrecache += String8("EISARNTOLCDUGPMHBYFVKWZXJQ"); 64127f50523a45100f3b4861762b6263e0b9ba6e22eAlex Sakhartchouk mLatinPrecache += String8(",.?!()-+@;:`'"); 64227f50523a45100f3b4861762b6263e0b9ba6e22eAlex Sakhartchouk mLatinPrecache += String8("0123456789"); 64327f50523a45100f3b4861762b6263e0b9ba6e22eAlex Sakhartchouk 6449b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mInitialized = true; 6459b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 6469b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 6479b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchoukvoid FontState::issueDrawCommand() { 6489b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 6499b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk ObjectBaseRef<const ProgramVertex> tmpV(mRSC->getVertex()); 6509b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mRSC->setVertex(mRSC->getDefaultProgramVertex()); 6519b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 65280a4c2cd34aedb4f1a2e5e7d1ac26a9aeebe41aeAlex Sakhartchouk ObjectBaseRef<const ProgramRaster> tmpR(mRSC->getRaster()); 65380a4c2cd34aedb4f1a2e5e7d1ac26a9aeebe41aeAlex Sakhartchouk mRSC->setRaster(mRSC->getDefaultProgramRaster()); 65480a4c2cd34aedb4f1a2e5e7d1ac26a9aeebe41aeAlex Sakhartchouk 6559b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk ObjectBaseRef<const ProgramFragment> tmpF(mRSC->getFragment()); 6569b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mRSC->setFragment(mFontShaderF.get()); 6579b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 6589b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk ObjectBaseRef<const ProgramStore> tmpPS(mRSC->getFragmentStore()); 6599b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mRSC->setFragmentStore(mFontProgramStore.get()); 6609b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 6613bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk if(mConstantsDirty) { 6623bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk mFontShaderFConstant->data(mRSC, &mConstants, sizeof(mConstants)); 6633bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk mConstantsDirty = false; 66455e81983562ca507883f32f817e9d24e1c49b909Alex Sakhartchouk } 66555e81983562ca507883f32f817e9d24e1c49b909Alex Sakhartchouk 6669b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if (!mRSC->setupCheck()) { 6679b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mRSC->setVertex((ProgramVertex *)tmpV.get()); 66880a4c2cd34aedb4f1a2e5e7d1ac26a9aeebe41aeAlex Sakhartchouk mRSC->setRaster((ProgramRaster *)tmpR.get()); 6699b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mRSC->setFragment((ProgramFragment *)tmpF.get()); 6709b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mRSC->setFragmentStore((ProgramStore *)tmpPS.get()); 6719b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk return; 6729b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 6739b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 6749b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk float *vtx = (float*)mVertexArray->getPtr(); 6759b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk float *tex = vtx + 3; 6769b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 6779b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk VertexArray va; 6784378f1175546616c76ecb7f0b1159940ab22d5f4Alex Sakhartchouk va.add(GL_FLOAT, 3, 20, false, (uint32_t)vtx, "ATTRIB_position"); 6794378f1175546616c76ecb7f0b1159940ab22d5f4Alex Sakhartchouk va.add(GL_FLOAT, 2, 20, false, (uint32_t)tex, "ATTRIB_texture0"); 6809b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk va.setupGL2(mRSC, &mRSC->mStateVertexArray, &mRSC->mShaderCache); 6819b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 6829b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mIndexBuffer->uploadCheck(mRSC); 6839b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mIndexBuffer->getBufferObjectID()); 6849b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk glDrawElements(GL_TRIANGLES, mCurrentQuadIndex * 6, GL_UNSIGNED_SHORT, (uint16_t *)(0)); 6859b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 6869b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk // Reset the state 6879b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mRSC->setVertex((ProgramVertex *)tmpV.get()); 68880a4c2cd34aedb4f1a2e5e7d1ac26a9aeebe41aeAlex Sakhartchouk mRSC->setRaster((ProgramRaster *)tmpR.get()); 6899b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mRSC->setFragment((ProgramFragment *)tmpF.get()); 6909b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mRSC->setFragmentStore((ProgramStore *)tmpPS.get()); 6919b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 6929b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 6939b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchoukvoid FontState::appendMeshQuad(float x1, float y1, float z1, 6949b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk float u1, float v1, 6959b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk float x2, float y2, float z2, 6969b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk float u2, float v2, 6979b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk float x3, float y3, float z3, 6989b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk float u3, float v3, 6999b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk float x4, float y4, float z4, 7009b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk float u4, float v4) 7019b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk{ 7029b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk const uint32_t vertsPerQuad = 4; 7039b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk const uint32_t floatsPerVert = 5; 7049b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk float *currentPos = mTextMeshPtr + mCurrentQuadIndex * vertsPerQuad * floatsPerVert; 7059b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 7069b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk // Cull things that are off the screen 7079b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk float width = (float)mRSC->getWidth(); 7089b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk float height = (float)mRSC->getHeight(); 7099b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 7109b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if(x1 > width || y1 < 0.0f || x2 < 0 || y4 > height) { 7119b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk return; 7129b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 7139b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 7149b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk /*LOGE("V0 x: %f y: %f z: %f", x1, y1, z1); 7159b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk LOGE("V1 x: %f y: %f z: %f", x2, y2, z2); 7169b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk LOGE("V2 x: %f y: %f z: %f", x3, y3, z3); 7179b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk LOGE("V3 x: %f y: %f z: %f", x4, y4, z4);*/ 7189b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 7199b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk (*currentPos++) = x1; 7209b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk (*currentPos++) = y1; 7219b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk (*currentPos++) = z1; 7229b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk (*currentPos++) = u1; 7239b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk (*currentPos++) = v1; 7249b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 7259b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk (*currentPos++) = x2; 7269b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk (*currentPos++) = y2; 7279b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk (*currentPos++) = z2; 7289b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk (*currentPos++) = u2; 7299b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk (*currentPos++) = v2; 7309b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 7319b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk (*currentPos++) = x3; 7329b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk (*currentPos++) = y3; 7339b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk (*currentPos++) = z3; 7349b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk (*currentPos++) = u3; 7359b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk (*currentPos++) = v3; 7369b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 7379b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk (*currentPos++) = x4; 7389b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk (*currentPos++) = y4; 7399b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk (*currentPos++) = z4; 7409b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk (*currentPos++) = u4; 7419b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk (*currentPos++) = v4; 7429b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 7439b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mCurrentQuadIndex ++; 7449b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 7459b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if(mCurrentQuadIndex == mMaxNumberOfQuads) { 7469b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk issueDrawCommand(); 7479b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mCurrentQuadIndex = 0; 7489b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 7499b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 7509b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 75194bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchoukuint32_t FontState::getRemainingCacheCapacity() { 75294bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk uint32_t remainingCapacity = 0; 75327f50523a45100f3b4861762b6263e0b9ba6e22eAlex Sakhartchouk uint32_t totalPixels = 0; 75494bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk for(uint32_t i = 0; i < mCacheLines.size(); i ++) { 75594bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk remainingCapacity += (mCacheLines[i]->mMaxWidth - mCacheLines[i]->mCurrentCol); 75694bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk totalPixels += mCacheLines[i]->mMaxWidth; 75794bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk } 75894bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk remainingCapacity = (remainingCapacity * 100) / totalPixels; 75994bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk return remainingCapacity; 76094bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk} 76194bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk 76294bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchoukvoid FontState::precacheLatin(Font *font) { 76394bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk // Remaining capacity is measured in % 76494bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk uint32_t remainingCapacity = getRemainingCacheCapacity(); 76594bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk uint32_t precacheIdx = 0; 76694bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk while(remainingCapacity > 25 && precacheIdx < mLatinPrecache.size()) { 76794bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk font->getCachedUTFChar((int32_t)mLatinPrecache[precacheIdx]); 76894bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk remainingCapacity = getRemainingCacheCapacity(); 76994bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk precacheIdx ++; 77094bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk } 77194bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk} 77294bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk 77394bbccc36322168a596369c8341dad938c8f949fAlex Sakhartchouk 77410825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchoukvoid FontState::renderText(const char *text, uint32_t len, int32_t x, int32_t y, 77510825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk uint32_t startIndex, int32_t numGlyphs, 77610825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk Font::RenderMode mode, 77710825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk Font::Rect *bounds, 77810825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk uint8_t *bitmap, uint32_t bitmapW, uint32_t bitmapH) 7799b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk{ 7809b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk checkInit(); 7819b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 7829b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk // Render code here 7839b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk Font *currentFont = mRSC->getFont(); 784071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk if(!currentFont) { 785071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk if(!mDefault.get()) { 786071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk mDefault.set(Font::create(mRSC, "DroidSans.ttf", 16, 96)); 787071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk } 788071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk currentFont = mDefault.get(); 789071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk } 790b6b34891fa7f76c99f5e9a3096576ada86c99f1eAlex Sakhartchouk if(!currentFont) { 791b6b34891fa7f76c99f5e9a3096576ada86c99f1eAlex Sakhartchouk LOGE("Unable to initialize any fonts"); 792b6b34891fa7f76c99f5e9a3096576ada86c99f1eAlex Sakhartchouk return; 793b6b34891fa7f76c99f5e9a3096576ada86c99f1eAlex Sakhartchouk } 794b6b34891fa7f76c99f5e9a3096576ada86c99f1eAlex Sakhartchouk 79510825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk currentFont->renderUTF(text, len, x, y, startIndex, numGlyphs, 79610825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk mode, bounds, bitmap, bitmapW, bitmapH); 7979b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 7989b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk if(mCurrentQuadIndex != 0) { 7999b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk issueDrawCommand(); 8009b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mCurrentQuadIndex = 0; 8019b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 8029b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 8039b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 80410825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchoukvoid FontState::measureText(const char *text, uint32_t len, Font::Rect *bounds) { 80510825a07ae3a7520110a5fb642a6c8745d7b3956Alex Sakhartchouk renderText(text, len, 0, 0, 0, -1, Font::MEASURE, bounds); 8069b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 8079b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 808fb10c16a0528a418053e4b8e75eebe57476b86efAlex Sakhartchoukvoid FontState::setFontColor(float r, float g, float b, float a) { 8093bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk mConstants.mFontColor[0] = r; 8103bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk mConstants.mFontColor[1] = g; 8113bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk mConstants.mFontColor[2] = b; 8123bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk mConstants.mFontColor[3] = a; 8133bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk 8143bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk mConstants.mGamma = 1.0f; 81576322af2a6c109a79431f019dcef6e038c030686Alex Sakhartchouk const float luminance = (r * 2.0f + g * 5.0f + b) / 8.0f; 8163bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk if (luminance <= mBlackThreshold) { 8173bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk mConstants.mGamma = mBlackGamma; 8183bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk } else if (luminance >= mWhiteThreshold) { 8193bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk mConstants.mGamma = mWhiteGamma; 8203bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk } 821960ae15cf37fe31790e255521ee2045312e82d36Alex Sakhartchouk 8223bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk mConstantsDirty = true; 823fb10c16a0528a418053e4b8e75eebe57476b86efAlex Sakhartchouk} 824fb10c16a0528a418053e4b8e75eebe57476b86efAlex Sakhartchouk 82555e81983562ca507883f32f817e9d24e1c49b909Alex Sakhartchoukvoid FontState::getFontColor(float *r, float *g, float *b, float *a) const { 8263bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk *r = mConstants.mFontColor[0]; 8273bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk *g = mConstants.mFontColor[1]; 8283bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk *b = mConstants.mFontColor[2]; 8293bf3ea0d839010cc9e0e5a6bd51c325d375f679dAlex Sakhartchouk *a = mConstants.mFontColor[3]; 83055e81983562ca507883f32f817e9d24e1c49b909Alex Sakhartchouk} 83155e81983562ca507883f32f817e9d24e1c49b909Alex Sakhartchouk 8329b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchoukvoid FontState::deinit(Context *rsc) 8339b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk{ 834071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk mInitialized = false; 835071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk 83601f0ad7c13b8878c2167bff10ea875d7509edca5Stephen Hines mFontShaderFConstant.clear(); 83701f0ad7c13b8878c2167bff10ea875d7509edca5Stephen Hines 838071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk mIndexBuffer.clear(); 839071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk mVertexArray.clear(); 840071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk 841071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk mFontShaderF.clear(); 842071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk mFontSampler.clear(); 843071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk mFontProgramStore.clear(); 844071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk 845071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk mTextTexture.clear(); 846071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk for(uint32_t i = 0; i < mCacheLines.size(); i ++) { 847071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk delete mCacheLines[i]; 8489b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk } 849071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk mCacheLines.clear(); 8509b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 8519b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk mDefault.clear(); 852071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk 853b6b34891fa7f76c99f5e9a3096576ada86c99f1eAlex Sakhartchouk Vector<Font*> fontsToDereference = mActiveFonts; 854b6b34891fa7f76c99f5e9a3096576ada86c99f1eAlex Sakhartchouk for(uint32_t i = 0; i < fontsToDereference.size(); i ++) { 855b6b34891fa7f76c99f5e9a3096576ada86c99f1eAlex Sakhartchouk fontsToDereference[i]->zeroUserRef(); 856b6b34891fa7f76c99f5e9a3096576ada86c99f1eAlex Sakhartchouk } 857b6b34891fa7f76c99f5e9a3096576ada86c99f1eAlex Sakhartchouk 858071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk if(mLibrary) { 859071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk FT_Done_FreeType( mLibrary ); 860b6b34891fa7f76c99f5e9a3096576ada86c99f1eAlex Sakhartchouk mLibrary = NULL; 861071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk } 8629b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 8639b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 8649b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouknamespace android { 8659b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouknamespace renderscript { 8669b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 8679b949fce39f0f39ce9275b71d7c347210775e7a8Alex SakhartchoukRsFont rsi_FontCreateFromFile(Context *rsc, char const *name, uint32_t fontSize, uint32_t dpi) 8689b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk{ 869071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk Font *newFont = Font::create(rsc, name, fontSize, dpi); 870071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk if(newFont) { 871071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk newFont->incUserRef(); 872071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk } 873071508d9f3d1c004cd9ef8d5329949e7a8a949c8Alex Sakhartchouk return newFont; 8749b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} 8759b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk 8769b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} // renderscript 8779b949fce39f0f39ce9275b71d7c347210775e7a8Alex Sakhartchouk} // android 878