rsFont.cpp revision 70b83c111beceaf8fbb700580833e7fec99272cf
1d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 2d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk/* 3d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * Copyright (C) 2009 The Android Open Source Project 4d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * 5d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * Licensed under the Apache License, Version 2.0 (the "License"); 6d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * you may not use this file except in compliance with the License. 7d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * You may obtain a copy of the License at 8d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * 9d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * http://www.apache.org/licenses/LICENSE-2.0 10d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * 11d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * Unless required by applicable law or agreed to in writing, software 12d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * distributed under the License is distributed on an "AS IS" BASIS, 13d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * See the License for the specific language governing permissions and 15d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk * limitations under the License. 16d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk */ 17d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 18d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include "rsContext.h" 19d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 20d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include "rsFont.h" 21d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include "rsProgramFragment.h" 22c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk#include <cutils/properties.h> 2302000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk 2402000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk#include <ft2build.h> 2502000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk#include FT_FREETYPE_H 26d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include FT_BITMAP_H 27d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 28d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include <GLES/gl.h> 29d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include <GLES/glext.h> 30d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include <GLES2/gl2.h> 31d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk#include <GLES2/gl2ext.h> 32d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 33d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukusing namespace android; 34d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukusing namespace android::renderscript; 35d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 36afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex SakhartchoukFont::Font(Context *rsc) : ObjectBase(rsc), mCachedGlyphs(NULL) { 37d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mInitialized = false; 38d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mHasKerning = false; 393659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk mFace = NULL; 40d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 41d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 425224a27798f89093b13722b41143551a057ce550Alex Sakhartchoukbool Font::init(const char *name, float fontSize, uint32_t dpi, const void *data, uint32_t dataLen) { 43afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (mInitialized) { 44d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("Reinitialization of fonts not supported"); 45d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return false; 46d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 47d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 485224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk FT_Error error = 0; 495224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk if (data != NULL && dataLen > 0) { 505224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk error = FT_New_Memory_Face(mRSC->mStateFont.getLib(), (const FT_Byte*)data, dataLen, 0, &mFace); 515224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk } else { 525224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk error = FT_New_Face(mRSC->mStateFont.getLib(), name, 0, &mFace); 535224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk } 545224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk 55afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (error) { 56c17ace2391783dcabc6c1482edf0362654fd83e5Alex Sakhartchouk LOGE("Unable to initialize font %s", name); 57d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return false; 58d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 59d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 60d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontName = name; 61d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontSize = fontSize; 62d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mDpi = dpi; 63d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 64c17ace2391783dcabc6c1482edf0362654fd83e5Alex Sakhartchouk error = FT_Set_Char_Size(mFace, (FT_F26Dot6)(fontSize * 64.0f), 0, dpi, 0); 65afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (error) { 66c17ace2391783dcabc6c1482edf0362654fd83e5Alex Sakhartchouk LOGE("Unable to set font size on %s", name); 67d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return false; 68d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 69d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 70d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mHasKerning = FT_HAS_KERNING(mFace); 71d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 72d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mInitialized = true; 73d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return true; 74d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 75d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 762e8665de7c0eb4514c67baf8693d61c892e5303dJason Samsvoid Font::preDestroy() const { 772e8665de7c0eb4514c67baf8693d61c892e5303dJason Sams for (uint32_t ct = 0; ct < mRSC->mStateFont.mActiveFonts.size(); ct++) { 782e8665de7c0eb4514c67baf8693d61c892e5303dJason Sams if (mRSC->mStateFont.mActiveFonts[ct] == this) { 792e8665de7c0eb4514c67baf8693d61c892e5303dJason Sams mRSC->mStateFont.mActiveFonts.removeAt(ct); 802e8665de7c0eb4514c67baf8693d61c892e5303dJason Sams break; 812e8665de7c0eb4514c67baf8693d61c892e5303dJason Sams } 822e8665de7c0eb4514c67baf8693d61c892e5303dJason Sams } 832e8665de7c0eb4514c67baf8693d61c892e5303dJason Sams} 842e8665de7c0eb4514c67baf8693d61c892e5303dJason Sams 85afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchoukvoid Font::invalidateTextureCache() { 86afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk for (uint32_t i = 0; i < mCachedGlyphs.size(); i ++) { 87d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCachedGlyphs.valueAt(i)->mIsValid = false; 88d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 89d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 90d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 91afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchoukvoid Font::drawCachedGlyph(CachedGlyphInfo *glyph, int32_t x, int32_t y) { 92d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk FontState *state = &mRSC->mStateFont; 93d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 9409c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t nPenX = x + glyph->mBitmapLeft; 9509c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t nPenY = y - glyph->mBitmapTop + glyph->mBitmapHeight; 96d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 9709c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk float u1 = glyph->mBitmapMinU; 9809c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk float u2 = glyph->mBitmapMaxU; 9909c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk float v1 = glyph->mBitmapMinV; 10009c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk float v2 = glyph->mBitmapMaxV; 101d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 10209c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t width = (int32_t) glyph->mBitmapWidth; 10309c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t height = (int32_t) glyph->mBitmapHeight; 104d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 10509c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk state->appendMeshQuad(nPenX, nPenY, 0, u1, v2, 10609c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk nPenX + width, nPenY, 0, u2, v2, 10709c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk nPenX + width, nPenY - height, 0, u2, v1, 10809c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk nPenX, nPenY - height, 0, u1, v1); 10909c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk} 11009c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk 11109c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchoukvoid Font::drawCachedGlyph(CachedGlyphInfo* glyph, int32_t x, int32_t y, 11209c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk uint8_t* bitmap, uint32_t bitmapW, uint32_t bitmapH) { 11309c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t nPenX = x + glyph->mBitmapLeft; 11409c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t nPenY = y + glyph->mBitmapTop; 11509c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk 11609c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk uint32_t endX = glyph->mBitmapMinX + glyph->mBitmapWidth; 11709c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk uint32_t endY = glyph->mBitmapMinY + glyph->mBitmapHeight; 11809c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk 11909c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk FontState *state = &mRSC->mStateFont; 12009c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk uint32_t cacheWidth = state->getCacheTextureType()->getDimX(); 12109c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk const uint8_t* cacheBuffer = state->getTextTextureData(); 12209c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk 12309c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk uint32_t cacheX = 0, cacheY = 0; 12409c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t bX = 0, bY = 0; 12509c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk for (cacheX = glyph->mBitmapMinX, bX = nPenX; cacheX < endX; cacheX++, bX++) { 12609c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk for (cacheY = glyph->mBitmapMinY, bY = nPenY; cacheY < endY; cacheY++, bY++) { 12709c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk if (bX < 0 || bY < 0 || bX >= (int32_t) bitmapW || bY >= (int32_t) bitmapH) { 12809c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk LOGE("Skipping invalid index"); 12909c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk continue; 13009c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk } 13109c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk uint8_t tempCol = cacheBuffer[cacheY * cacheWidth + cacheX]; 13209c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk bitmap[bY * bitmapW + bX] = tempCol; 13309c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk } 13409c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk } 135d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 136d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 13709c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchoukvoid Font::measureCachedGlyph(CachedGlyphInfo *glyph, int32_t x, int32_t y, Rect *bounds) { 13809c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t nPenX = x + glyph->mBitmapLeft; 13909c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t nPenY = y - glyph->mBitmapTop + glyph->mBitmapHeight; 14009c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk 14109c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t width = (int32_t) glyph->mBitmapWidth; 14209c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t height = (int32_t) glyph->mBitmapHeight; 14309c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk 1445224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk // 0, 0 is top left, so bottom is a positive number 1455224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk if (bounds->bottom < nPenY) { 14609c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk bounds->bottom = nPenY; 14709c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk } 14809c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk if (bounds->left > nPenX) { 14909c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk bounds->left = nPenX; 15009c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk } 15109c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk if (bounds->right < nPenX + width) { 15209c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk bounds->right = nPenX + width; 15309c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk } 1545224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk if (bounds->top > nPenY - height) { 1555224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk bounds->top = nPenY - height; 15609c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk } 15709c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk} 15809c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk 15909c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchoukvoid Font::renderUTF(const char *text, uint32_t len, int32_t x, int32_t y, 16009c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk uint32_t start, int32_t numGlyphs, 16109c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk RenderMode mode, Rect *bounds, 162afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk uint8_t *bitmap, uint32_t bitmapW, uint32_t bitmapH) { 163afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (!mInitialized || numGlyphs == 0 || text == NULL || len == 0) { 164d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return; 165d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 166d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 167afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (mode == Font::MEASURE) { 16809c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk if (bounds == NULL) { 16909c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk LOGE("No return rectangle provided to measure text"); 17009c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk return; 17109c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk } 17209c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk // Reset min and max of the bounding box to something large 1735224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk bounds->set(1e6, -1e6, 1e6, -1e6); 17409c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk } 17509c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk 17609c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t penX = x, penY = y; 17709c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t glyphsLeft = 1; 178afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (numGlyphs > 0) { 179d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyphsLeft = numGlyphs; 180d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 181d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 182d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk size_t index = start; 183d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk size_t nextIndex = 0; 184d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 185d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk while (glyphsLeft > 0) { 186d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 187c9c38dd8508a2f805213abee1f9f44f103ac0a0dKenny Root int32_t utfChar = utf32_from_utf8_at(text, len, index, &nextIndex); 188d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 189d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Reached the end of the string or encountered 190afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (utfChar < 0) { 191d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk break; 192d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 193d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 194d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Move to the next character in the array 195d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk index = nextIndex; 196d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 19701bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk CachedGlyphInfo *cachedGlyph = getCachedUTFChar(utfChar); 198d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 199d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // If it's still not valid, we couldn't cache it, so we shouldn't draw garbage 200afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (cachedGlyph->mIsValid) { 201afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk switch (mode) { 20209c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk case FRAMEBUFFER: 20309c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk drawCachedGlyph(cachedGlyph, penX, penY); 20409c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk break; 20509c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk case BITMAP: 20609c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk drawCachedGlyph(cachedGlyph, penX, penY, bitmap, bitmapW, bitmapH); 20709c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk break; 20809c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk case MEASURE: 20909c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk measureCachedGlyph(cachedGlyph, penX, penY, bounds); 21009c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk break; 21109c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk } 212d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 213d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 21402000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk penX += (cachedGlyph->mAdvanceX >> 6); 215d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 216d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // If we were given a specific number of glyphs, decrement 217afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (numGlyphs > 0) { 218d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyphsLeft --; 219d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 220d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 221d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 222d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 22301bcef6115dc6230b16d9d8e120e35279f46cfd5Alex SakhartchoukFont::CachedGlyphInfo* Font::getCachedUTFChar(int32_t utfChar) { 22401bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk 22501bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk CachedGlyphInfo *cachedGlyph = mCachedGlyphs.valueFor((uint32_t)utfChar); 226afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (cachedGlyph == NULL) { 22701bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk cachedGlyph = cacheGlyph((uint32_t)utfChar); 22801bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk } 22901bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk // Is the glyph still in texture cache? 230afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (!cachedGlyph->mIsValid) { 23101bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk updateGlyphCache(cachedGlyph); 23201bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk } 23301bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk 23401bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk return cachedGlyph; 23501bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk} 23601bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk 237afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchoukvoid Font::updateGlyphCache(CachedGlyphInfo *glyph) { 238a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk FT_Error error = FT_Load_Glyph( mFace, glyph->mGlyphIndex, FT_LOAD_RENDER ); 239afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (error) { 240a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk LOGE("Couldn't load glyph."); 241a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk return; 242a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk } 243d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 24402000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk glyph->mAdvanceX = mFace->glyph->advance.x; 24502000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk glyph->mAdvanceY = mFace->glyph->advance.y; 246a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk glyph->mBitmapLeft = mFace->glyph->bitmap_left; 247a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk glyph->mBitmapTop = mFace->glyph->bitmap_top; 248d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 249a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk FT_Bitmap *bitmap = &mFace->glyph->bitmap; 250d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 251d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Now copy the bitmap into the cache texture 252d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t startX = 0; 253d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t startY = 0; 254d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 255d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Let the font state figure out where to put the bitmap 256d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk FontState *state = &mRSC->mStateFont; 257a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk glyph->mIsValid = state->cacheBitmap(bitmap, &startX, &startY); 258d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 259afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (!glyph->mIsValid) { 260d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return; 261d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 262d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 263a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk uint32_t endX = startX + bitmap->width; 264a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk uint32_t endY = startY + bitmap->rows; 265d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 266d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyph->mBitmapMinX = startX; 267d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyph->mBitmapMinY = startY; 268a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk glyph->mBitmapWidth = bitmap->width; 269a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk glyph->mBitmapHeight = bitmap->rows; 270d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 271d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t cacheWidth = state->getCacheTextureType()->getDimX(); 272d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t cacheHeight = state->getCacheTextureType()->getDimY(); 273d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 274d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyph->mBitmapMinU = (float)startX / (float)cacheWidth; 275d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyph->mBitmapMinV = (float)startY / (float)cacheHeight; 276d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyph->mBitmapMaxU = (float)endX / (float)cacheWidth; 277d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glyph->mBitmapMaxV = (float)endY / (float)cacheHeight; 278d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 279d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 280afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex SakhartchoukFont::CachedGlyphInfo *Font::cacheGlyph(uint32_t glyph) { 281d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk CachedGlyphInfo *newGlyph = new CachedGlyphInfo(); 282d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCachedGlyphs.add(glyph, newGlyph); 283d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 284d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk newGlyph->mGlyphIndex = FT_Get_Char_Index(mFace, glyph); 285d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk newGlyph->mIsValid = false; 286d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 287d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk updateGlyphCache(newGlyph); 288d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 289d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return newGlyph; 290d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 291d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 2925224a27798f89093b13722b41143551a057ce550Alex SakhartchoukFont * Font::create(Context *rsc, const char *name, float fontSize, uint32_t dpi, 2935224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk const void *data, uint32_t dataLen) { 29435b96445f8bb4536e29ace64417710ed90527a56Alex Sakhartchouk rsc->mStateFont.checkInit(); 295d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Vector<Font*> &activeFonts = rsc->mStateFont.mActiveFonts; 296d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 297afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk for (uint32_t i = 0; i < activeFonts.size(); i ++) { 298d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Font *ithFont = activeFonts[i]; 299afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (ithFont->mFontName == name && ithFont->mFontSize == fontSize && ithFont->mDpi == dpi) { 300d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return ithFont; 301d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 302d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 303d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 304d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Font *newFont = new Font(rsc); 3055224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk bool isInitialized = newFont->init(name, fontSize, dpi, data, dataLen); 306afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (isInitialized) { 307d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk activeFonts.push(newFont); 30801bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk rsc->mStateFont.precacheLatin(newFont); 309d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return newFont; 310d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 311d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 312225afd317e101a7be5fe02c0a86361146ea89f05Jason Sams ObjectBase::checkDelete(newFont); 313d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return NULL; 314d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 315d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 316afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex SakhartchoukFont::~Font() { 317afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (mFace) { 318d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk FT_Done_Face(mFace); 319d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 320d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 321afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk for (uint32_t i = 0; i < mCachedGlyphs.size(); i ++) { 322d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk CachedGlyphInfo *glyph = mCachedGlyphs.valueAt(i); 323d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk delete glyph; 324d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 325d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 326d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 327afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex SakhartchoukFontState::FontState() { 328d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mInitialized = false; 329d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mMaxNumberOfQuads = 1024; 330d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCurrentQuadIndex = 0; 331d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mRSC = NULL; 3323659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk mLibrary = NULL; 333c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk 334c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk // Get the renderer properties 335c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk char property[PROPERTY_VALUE_MAX]; 336c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk 337c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk // Get the gamma 338c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk float gamma = DEFAULT_TEXT_GAMMA; 339c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk if (property_get(PROPERTY_TEXT_GAMMA, property, NULL) > 0) { 340c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk gamma = atof(property); 341c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk } 342c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk 343c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk // Get the black gamma threshold 34409c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t blackThreshold = DEFAULT_TEXT_BLACK_GAMMA_THRESHOLD; 345c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk if (property_get(PROPERTY_TEXT_BLACK_GAMMA_THRESHOLD, property, NULL) > 0) { 346c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk blackThreshold = atoi(property); 347c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk } 348c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk mBlackThreshold = (float)(blackThreshold) / 255.0f; 349c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk 350c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk // Get the white gamma threshold 35109c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t whiteThreshold = DEFAULT_TEXT_WHITE_GAMMA_THRESHOLD; 352c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk if (property_get(PROPERTY_TEXT_WHITE_GAMMA_THRESHOLD, property, NULL) > 0) { 353c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk whiteThreshold = atoi(property); 354c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk } 355c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk mWhiteThreshold = (float)(whiteThreshold) / 255.0f; 356c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk 357c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk // Compute the gamma tables 358c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk mBlackGamma = gamma; 359c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk mWhiteGamma = 1.0f / gamma; 3604f230b31d59b5f17100686bc1416b3b07a4a618dAlex Sakhartchouk 3614f230b31d59b5f17100686bc1416b3b07a4a618dAlex Sakhartchouk setFontColor(0.1f, 0.1f, 0.1f, 1.0f); 362d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 363d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 364afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex SakhartchoukFontState::~FontState() { 365afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk for (uint32_t i = 0; i < mCacheLines.size(); i ++) { 366d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk delete mCacheLines[i]; 367d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 368d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 369d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk rsAssert(!mActiveFonts.size()); 370d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 371d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 372afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex SakhartchoukFT_Library FontState::getLib() { 373afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (!mLibrary) { 374a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk FT_Error error = FT_Init_FreeType(&mLibrary); 375afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (error) { 376d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("Unable to initialize freetype"); 377a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk return NULL; 378d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 379d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 3803659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk 381a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk return mLibrary; 382a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk} 383d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 384afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchoukvoid FontState::init(Context *rsc) { 385a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mRSC = rsc; 386d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 387d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 388afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchoukvoid FontState::flushAllAndInvalidate() { 389afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (mCurrentQuadIndex != 0) { 390d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk issueDrawCommand(); 391d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCurrentQuadIndex = 0; 392d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 393afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk for (uint32_t i = 0; i < mActiveFonts.size(); i ++) { 394d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mActiveFonts[i]->invalidateTextureCache(); 395d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 396afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk for (uint32_t i = 0; i < mCacheLines.size(); i ++) { 397d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines[i]->mCurrentCol = 0; 398d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 399d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 400d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 401afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchoukbool FontState::cacheBitmap(FT_Bitmap *bitmap, uint32_t *retOriginX, uint32_t *retOriginY) { 402d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // If the glyph is too tall, don't cache it 403afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if ((uint32_t)bitmap->rows > mCacheLines[mCacheLines.size()-1]->mMaxHeight) { 404d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("Font size to large to fit in cache. width, height = %i, %i", (int)bitmap->width, (int)bitmap->rows); 405d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return false; 406d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 407d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 408d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Now copy the bitmap into the cache texture 409d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t startX = 0; 410d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t startY = 0; 411d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 412d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bool bitmapFit = false; 413afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk for (uint32_t i = 0; i < mCacheLines.size(); i ++) { 414d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bitmapFit = mCacheLines[i]->fitBitmap(bitmap, &startX, &startY); 415afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (bitmapFit) { 416d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk break; 417d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 418d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 419d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 420d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // If the new glyph didn't fit, flush the state so far and invalidate everything 421afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (!bitmapFit) { 422d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk flushAllAndInvalidate(); 423d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 424d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Try to fit it again 425afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk for (uint32_t i = 0; i < mCacheLines.size(); i ++) { 426d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk bitmapFit = mCacheLines[i]->fitBitmap(bitmap, &startX, &startY); 427afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (bitmapFit) { 428d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk break; 429d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 430d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 431d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 432d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // if we still don't fit, something is wrong and we shouldn't draw 433afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (!bitmapFit) { 434d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("Bitmap doesn't fit in cache. width, height = %i, %i", (int)bitmap->width, (int)bitmap->rows); 435d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return false; 436d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 437d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 438d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 439d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk *retOriginX = startX; 440d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk *retOriginY = startY; 441d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 442d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t endX = startX + bitmap->width; 443d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t endY = startY + bitmap->rows; 444d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 445d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t cacheWidth = getCacheTextureType()->getDimX(); 446d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 44709c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk uint8_t *cacheBuffer = (uint8_t*)mTextTexture->getPtr(); 44809c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk uint8_t *bitmapBuffer = bitmap->buffer; 449d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 450d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t cacheX = 0, bX = 0, cacheY = 0, bY = 0; 451afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk for (cacheX = startX, bX = 0; cacheX < endX; cacheX ++, bX ++) { 452afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk for (cacheY = startY, bY = 0; cacheY < endY; cacheY ++, bY ++) { 45309c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk uint8_t tempCol = bitmapBuffer[bY * bitmap->width + bX]; 454d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk cacheBuffer[cacheY*cacheWidth + cacheX] = tempCol; 455d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 456d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 457d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 458d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // This will dirty the texture and the shader so next time 459d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // we draw it will upload the data 460b7e83bda41e66c966b98935b44140692bfe0c4caJason Sams mTextTexture->syncAll(mRSC, RS_ALLOCATION_USAGE_SCRIPT); 461383e5b1f68c321a77bfd7466fa1171a9bfab4a6fAlex Sakhartchouk mFontShaderF->bindTexture(mRSC, 0, mTextTexture.get()); 462d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 463d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Some debug code 464afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk /*for (uint32_t i = 0; i < mCacheLines.size(); i ++) { 465d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("Cache Line: H: %u Empty Space: %f", 466d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines[i]->mMaxHeight, 467d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (1.0f - (float)mCacheLines[i]->mCurrentCol/(float)mCacheLines[i]->mMaxWidth)*100.0f); 468d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 469d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk }*/ 470d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 471d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return true; 472d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 473d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 474afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchoukvoid FontState::initRenderState() { 4757ffcaf20cbb115326f3d72a983835d6c314a4cefAlex Sakhartchouk String8 shaderString("varying vec2 varTex0;\n"); 476e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk shaderString.append("void main() {\n"); 477e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk shaderString.append(" lowp vec4 col = UNI_Color;\n"); 478e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk shaderString.append(" col.a = texture2D(UNI_Tex0, varTex0.xy).a;\n"); 479c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk shaderString.append(" col.a = pow(col.a, UNI_Gamma);\n"); 480e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk shaderString.append(" gl_FragColor = col;\n"); 481e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk shaderString.append("}\n"); 482e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk 483e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk const Element *colorElem = Element::create(mRSC, RS_TYPE_FLOAT_32, RS_KIND_USER, false, 4); 484c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk const Element *gammaElem = Element::create(mRSC, RS_TYPE_FLOAT_32, RS_KIND_USER, false, 1); 485e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk mRSC->mStateElement.elementBuilderBegin(); 486e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk mRSC->mStateElement.elementBuilderAdd(colorElem, "Color", 1); 487c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk mRSC->mStateElement.elementBuilderAdd(gammaElem, "Gamma", 1); 488e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk const Element *constInput = mRSC->mStateElement.elementBuilderCreate(mRSC); 489e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk 490f0c1df480304a72ce41e7d4b088319cbd7f0938aJason Sams Type *inputType = Type::getType(mRSC, constInput, 1, 0, 0, false, false); 491e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk 492e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk uint32_t tmp[4]; 493e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk tmp[0] = RS_PROGRAM_PARAM_CONSTANT; 494e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk tmp[1] = (uint32_t)inputType; 49584e4027f83b20af59f5b1fc52be6e45f159d3970Alex Sakhartchouk tmp[2] = RS_PROGRAM_PARAM_TEXTURE_TYPE; 49684e4027f83b20af59f5b1fc52be6e45f159d3970Alex Sakhartchouk tmp[3] = RS_TEXTURE_2D; 497e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk 498366c9c85196675437a8dd74c1cf6b63ddbde3d6aJason Sams mFontShaderFConstant.set(new Allocation(mRSC, inputType, 499366c9c85196675437a8dd74c1cf6b63ddbde3d6aJason Sams RS_ALLOCATION_USAGE_SCRIPT | RS_ALLOCATION_USAGE_GRAPHICS_CONSTANTS)); 500e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk ProgramFragment *pf = new ProgramFragment(mRSC, shaderString.string(), 501e7ae69f4a70f1813cf8086ebd9714192c635300aAlex Sakhartchouk shaderString.length(), tmp, 4); 502d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontShaderF.set(pf); 503383e5b1f68c321a77bfd7466fa1171a9bfab4a6fAlex Sakhartchouk mFontShaderF->bindAllocation(mRSC, mFontShaderFConstant.get(), 0); 504d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 505d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Sampler *sampler = new Sampler(mRSC, RS_SAMPLER_NEAREST, RS_SAMPLER_NEAREST, 506d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk RS_SAMPLER_CLAMP, RS_SAMPLER_CLAMP, RS_SAMPLER_CLAMP); 507d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontSampler.set(sampler); 508383e5b1f68c321a77bfd7466fa1171a9bfab4a6fAlex Sakhartchouk mFontShaderF->bindSampler(mRSC, 0, sampler); 509d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 510721acc495b859c6d884725a4f9b5523583dd11c7Jason Sams ProgramStore *fontStore = new ProgramStore(mRSC, true, true, true, true, 511721acc495b859c6d884725a4f9b5523583dd11c7Jason Sams false, false, 51200237f18a9d31afdca5cca8d621397fbf5b16076Jason Sams RS_BLEND_SRC_SRC_ALPHA, 51300237f18a9d31afdca5cca8d621397fbf5b16076Jason Sams RS_BLEND_DST_ONE_MINUS_SRC_ALPHA, 514721acc495b859c6d884725a4f9b5523583dd11c7Jason Sams RS_DEPTH_FUNC_ALWAYS); 515d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mFontProgramStore.set(fontStore); 5168feea4e0dec48ea03bd6d32706d058b86dddc5baJason Sams mFontProgramStore->init(); 517d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 518d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 519afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchoukvoid FontState::initTextTexture() { 520d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const Element *alphaElem = Element::create(mRSC, RS_TYPE_UNSIGNED_8, RS_KIND_PIXEL_A, true, 1); 521d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 522d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // We will allocate a texture to initially hold 32 character bitmaps 523f0c1df480304a72ce41e7d4b088319cbd7f0938aJason Sams Type *texType = Type::getType(mRSC, alphaElem, 1024, 256, 0, false, false); 524d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 525366c9c85196675437a8dd74c1cf6b63ddbde3d6aJason Sams Allocation *cacheAlloc = new Allocation(mRSC, texType, RS_ALLOCATION_USAGE_SCRIPT | RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE); 526d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mTextTexture.set(cacheAlloc); 527b7e83bda41e66c966b98935b44140692bfe0c4caJason Sams mTextTexture->syncAll(mRSC, RS_ALLOCATION_USAGE_SCRIPT); 528d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 529d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Split up our cache texture into lines of certain widths 53009c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t nextLine = 0; 531d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(16, texType->getDimX(), nextLine, 0)); 532d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk nextLine += mCacheLines.top()->mMaxHeight; 533d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(24, texType->getDimX(), nextLine, 0)); 534d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk nextLine += mCacheLines.top()->mMaxHeight; 53501bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(24, texType->getDimX(), nextLine, 0)); 53601bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk nextLine += mCacheLines.top()->mMaxHeight; 537d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(32, texType->getDimX(), nextLine, 0)); 538d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk nextLine += mCacheLines.top()->mMaxHeight; 539d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(32, texType->getDimX(), nextLine, 0)); 540d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk nextLine += mCacheLines.top()->mMaxHeight; 541d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(40, texType->getDimX(), nextLine, 0)); 542d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk nextLine += mCacheLines.top()->mMaxHeight; 543d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCacheLines.push(new CacheTextureLine(texType->getDimY() - nextLine, texType->getDimX(), nextLine, 0)); 544d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 545d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 546d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk// Avoid having to reallocate memory and render quad by quad 547afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchoukvoid FontState::initVertexArrayBuffers() { 548d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Now lets write index data 549d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const Element *indexElem = Element::create(mRSC, RS_TYPE_UNSIGNED_16, RS_KIND_USER, false, 1); 550d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint32_t numIndicies = mMaxNumberOfQuads * 6; 551f0c1df480304a72ce41e7d4b088319cbd7f0938aJason Sams Type *indexType = Type::getType(mRSC, indexElem, numIndicies, 0, 0, false, false); 552d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 553366c9c85196675437a8dd74c1cf6b63ddbde3d6aJason Sams Allocation *indexAlloc = new Allocation(mRSC, indexType, RS_ALLOCATION_USAGE_SCRIPT | RS_ALLOCATION_USAGE_GRAPHICS_VERTEX); 554d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk uint16_t *indexPtr = (uint16_t*)indexAlloc->getPtr(); 555d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 556d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Four verts, two triangles , six indices per quad 557afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk for (uint32_t i = 0; i < mMaxNumberOfQuads; i ++) { 55809c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t i6 = i * 6; 55909c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk int32_t i4 = i * 4; 560d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 561d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexPtr[i6 + 0] = i4 + 0; 562d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexPtr[i6 + 1] = i4 + 1; 563d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexPtr[i6 + 2] = i4 + 2; 564d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 565d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexPtr[i6 + 3] = i4 + 0; 566d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexPtr[i6 + 4] = i4 + 2; 567d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk indexPtr[i6 + 5] = i4 + 3; 568d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 569d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 5707d9c5ffccb7a5e682860f752403e5a03aed587beAlex Sakhartchouk indexAlloc->deferredUploadToBufferObject(mRSC); 571d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mIndexBuffer.set(indexAlloc); 572d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 573d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const Element *posElem = Element::create(mRSC, RS_TYPE_FLOAT_32, RS_KIND_USER, false, 3); 574d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const Element *texElem = Element::create(mRSC, RS_TYPE_FLOAT_32, RS_KIND_USER, false, 2); 575d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 57664cd98e83d33011950b88f229d013e06c62b36e9Alex Sakhartchouk mRSC->mStateElement.elementBuilderBegin(); 57764cd98e83d33011950b88f229d013e06c62b36e9Alex Sakhartchouk mRSC->mStateElement.elementBuilderAdd(posElem, "position", 1); 57864cd98e83d33011950b88f229d013e06c62b36e9Alex Sakhartchouk mRSC->mStateElement.elementBuilderAdd(texElem, "texture0", 1); 57964cd98e83d33011950b88f229d013e06c62b36e9Alex Sakhartchouk const Element *vertexDataElem = mRSC->mStateElement.elementBuilderCreate(mRSC); 580d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 581f0c1df480304a72ce41e7d4b088319cbd7f0938aJason Sams Type *vertexDataType = Type::getType(mRSC, vertexDataElem, 582f0c1df480304a72ce41e7d4b088319cbd7f0938aJason Sams mMaxNumberOfQuads * 4, 583f0c1df480304a72ce41e7d4b088319cbd7f0938aJason Sams 0, 0, false, false); 584d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 585366c9c85196675437a8dd74c1cf6b63ddbde3d6aJason Sams Allocation *vertexAlloc = new Allocation(mRSC, vertexDataType, RS_ALLOCATION_USAGE_SCRIPT | RS_ALLOCATION_USAGE_GRAPHICS_VERTEX); 586d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mTextMeshPtr = (float*)vertexAlloc->getPtr(); 587d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 588d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mVertexArray.set(vertexAlloc); 589d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 590d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 591d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk// We don't want to allocate anything unless we actually draw text 592afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchoukvoid FontState::checkInit() { 593afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (mInitialized) { 594d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return; 595d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 596d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 597d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk initTextTexture(); 598d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk initRenderState(); 599d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 600d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk initVertexArrayBuffers(); 601d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 60235b96445f8bb4536e29ace64417710ed90527a56Alex Sakhartchouk // We store a string with letters in a rough frequency of occurrence 60335b96445f8bb4536e29ace64417710ed90527a56Alex Sakhartchouk mLatinPrecache = String8(" eisarntolcdugpmhbyfvkwzxjq"); 60435b96445f8bb4536e29ace64417710ed90527a56Alex Sakhartchouk mLatinPrecache += String8("EISARNTOLCDUGPMHBYFVKWZXJQ"); 60535b96445f8bb4536e29ace64417710ed90527a56Alex Sakhartchouk mLatinPrecache += String8(",.?!()-+@;:`'"); 60635b96445f8bb4536e29ace64417710ed90527a56Alex Sakhartchouk mLatinPrecache += String8("0123456789"); 60735b96445f8bb4536e29ace64417710ed90527a56Alex Sakhartchouk 608d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mInitialized = true; 609d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 610d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 611d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::issueDrawCommand() { 61260709257bbdeb0c50f39b9c8969dc76264d6e142Jason Sams Context::PushState ps(mRSC); 613d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 61460709257bbdeb0c50f39b9c8969dc76264d6e142Jason Sams mRSC->setProgramVertex(mRSC->getDefaultProgramVertex()); 61560709257bbdeb0c50f39b9c8969dc76264d6e142Jason Sams mRSC->setProgramRaster(mRSC->getDefaultProgramRaster()); 61660709257bbdeb0c50f39b9c8969dc76264d6e142Jason Sams mRSC->setProgramFragment(mFontShaderF.get()); 61760709257bbdeb0c50f39b9c8969dc76264d6e142Jason Sams mRSC->setProgramStore(mFontProgramStore.get()); 618d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 619afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (mConstantsDirty) { 6204b45b8998e0d7038efaea80c70d23c086640b4e3Jason Sams mFontShaderFConstant->data(mRSC, 0, 0, 1, &mConstants, sizeof(mConstants)); 621c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk mConstantsDirty = false; 622ca5a454e022caec6c6d3cbb404cc09ea095ba97aAlex Sakhartchouk } 623ca5a454e022caec6c6d3cbb404cc09ea095ba97aAlex Sakhartchouk 624d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk if (!mRSC->setupCheck()) { 625d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return; 626d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 627d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 628d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float *vtx = (float*)mVertexArray->getPtr(); 629d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float *tex = vtx + 3; 630d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 63154929cce0bf44090424b1f91b676529a2422378fAlex Sakhartchouk VertexArray::Attrib attribs[2]; 63254929cce0bf44090424b1f91b676529a2422378fAlex Sakhartchouk attribs[0].set(GL_FLOAT, 3, 20, false, (uint32_t)vtx, "ATTRIB_position"); 63354929cce0bf44090424b1f91b676529a2422378fAlex Sakhartchouk attribs[1].set(GL_FLOAT, 2, 20, false, (uint32_t)tex, "ATTRIB_texture0"); 63454929cce0bf44090424b1f91b676529a2422378fAlex Sakhartchouk VertexArray va(attribs, 2); 635d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk va.setupGL2(mRSC, &mRSC->mStateVertexArray, &mRSC->mShaderCache); 636d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 637d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mIndexBuffer->uploadCheck(mRSC); 638d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mIndexBuffer->getBufferObjectID()); 639d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk glDrawElements(GL_TRIANGLES, mCurrentQuadIndex * 6, GL_UNSIGNED_SHORT, (uint16_t *)(0)); 640d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 641d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 642d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchoukvoid FontState::appendMeshQuad(float x1, float y1, float z1, 643afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk float u1, float v1, 644afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk float x2, float y2, float z2, 645afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk float u2, float v2, 646afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk float x3, float y3, float z3, 647afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk float u3, float v3, 648afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk float x4, float y4, float z4, 649afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk float u4, float v4) { 650d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const uint32_t vertsPerQuad = 4; 651d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk const uint32_t floatsPerVert = 5; 652d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float *currentPos = mTextMeshPtr + mCurrentQuadIndex * vertsPerQuad * floatsPerVert; 653d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 654d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Cull things that are off the screen 655d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float width = (float)mRSC->getWidth(); 656d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk float height = (float)mRSC->getHeight(); 657d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 658afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (x1 > width || y1 < 0.0f || x2 < 0 || y4 > height) { 659d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk return; 660d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 661d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 662d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk /*LOGE("V0 x: %f y: %f z: %f", x1, y1, z1); 663d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("V1 x: %f y: %f z: %f", x2, y2, z2); 664d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("V2 x: %f y: %f z: %f", x3, y3, z3); 665d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk LOGE("V3 x: %f y: %f z: %f", x4, y4, z4);*/ 666d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 667d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = x1; 668d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = y1; 669d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = z1; 670d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = u1; 671d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = v1; 672d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 673d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = x2; 674d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = y2; 675d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = z2; 676d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = u2; 677d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = v2; 678d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 679d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = x3; 680d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = y3; 681d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = z3; 682d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = u3; 683d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = v3; 684d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 685d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = x4; 686d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = y4; 687d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = z4; 688d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = u4; 689d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk (*currentPos++) = v4; 690d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 691d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCurrentQuadIndex ++; 692d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 693afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (mCurrentQuadIndex == mMaxNumberOfQuads) { 694d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk issueDrawCommand(); 695d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCurrentQuadIndex = 0; 696d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 697d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 698d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 69901bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchoukuint32_t FontState::getRemainingCacheCapacity() { 70001bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk uint32_t remainingCapacity = 0; 70135b96445f8bb4536e29ace64417710ed90527a56Alex Sakhartchouk uint32_t totalPixels = 0; 702afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk for (uint32_t i = 0; i < mCacheLines.size(); i ++) { 70301bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk remainingCapacity += (mCacheLines[i]->mMaxWidth - mCacheLines[i]->mCurrentCol); 70401bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk totalPixels += mCacheLines[i]->mMaxWidth; 70501bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk } 70601bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk remainingCapacity = (remainingCapacity * 100) / totalPixels; 70701bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk return remainingCapacity; 70801bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk} 70901bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk 71001bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchoukvoid FontState::precacheLatin(Font *font) { 71101bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk // Remaining capacity is measured in % 71201bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk uint32_t remainingCapacity = getRemainingCacheCapacity(); 71301bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk uint32_t precacheIdx = 0; 714afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk while (remainingCapacity > 25 && precacheIdx < mLatinPrecache.size()) { 71501bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk font->getCachedUTFChar((int32_t)mLatinPrecache[precacheIdx]); 71601bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk remainingCapacity = getRemainingCacheCapacity(); 71701bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk precacheIdx ++; 71801bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk } 71901bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk} 72001bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk 72101bcef6115dc6230b16d9d8e120e35279f46cfd5Alex Sakhartchouk 72209c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchoukvoid FontState::renderText(const char *text, uint32_t len, int32_t x, int32_t y, 72309c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk uint32_t startIndex, int32_t numGlyphs, 72409c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk Font::RenderMode mode, 72509c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk Font::Rect *bounds, 726afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk uint8_t *bitmap, uint32_t bitmapW, uint32_t bitmapH) { 727d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk checkInit(); 728d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 729d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk // Render code here 730d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk Font *currentFont = mRSC->getFont(); 731afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (!currentFont) { 732afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (!mDefault.get()) { 733c17ace2391783dcabc6c1482edf0362654fd83e5Alex Sakhartchouk String8 fontsDir("/fonts/DroidSans.ttf"); 734c17ace2391783dcabc6c1482edf0362654fd83e5Alex Sakhartchouk String8 fullPath(getenv("ANDROID_ROOT")); 735c17ace2391783dcabc6c1482edf0362654fd83e5Alex Sakhartchouk fullPath += fontsDir; 736c17ace2391783dcabc6c1482edf0362654fd83e5Alex Sakhartchouk 7377b3e9bd825901e33661e3c385e3e7c6f40ca6000Alex Sakhartchouk mDefault.set(Font::create(mRSC, fullPath.string(), 8, mRSC->getDPI())); 738a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk } 739a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk currentFont = mDefault.get(); 740a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk } 741afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (!currentFont) { 7423659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk LOGE("Unable to initialize any fonts"); 7433659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk return; 7443659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk } 7453659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk 74609c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk currentFont->renderUTF(text, len, x, y, startIndex, numGlyphs, 74709c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk mode, bounds, bitmap, bitmapW, bitmapH); 748d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 749afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (mCurrentQuadIndex != 0) { 750d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk issueDrawCommand(); 751d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mCurrentQuadIndex = 0; 752d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 753d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 754d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 75509c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchoukvoid FontState::measureText(const char *text, uint32_t len, Font::Rect *bounds) { 75609c67356bbeee0a97a20a06c95b66756838cb541Alex Sakhartchouk renderText(text, len, 0, 0, 0, -1, Font::MEASURE, bounds); 7575224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk bounds->bottom = - bounds->bottom; 7585224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk bounds->top = - bounds->top; 759d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 760d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 7619fc9f0375a92fe22fecb3782b18a5c6060a07290Alex Sakhartchoukvoid FontState::setFontColor(float r, float g, float b, float a) { 762c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk mConstants.mFontColor[0] = r; 763c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk mConstants.mFontColor[1] = g; 764c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk mConstants.mFontColor[2] = b; 765c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk mConstants.mFontColor[3] = a; 766c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk 767c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk mConstants.mGamma = 1.0f; 768c8fb69e4a3e01501a3d38a6d3ea185e583d3f493Alex Sakhartchouk const float luminance = (r * 2.0f + g * 5.0f + b) / 8.0f; 769c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk if (luminance <= mBlackThreshold) { 770c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk mConstants.mGamma = mBlackGamma; 771c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk } else if (luminance >= mWhiteThreshold) { 772c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk mConstants.mGamma = mWhiteGamma; 773c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk } 7744f230b31d59b5f17100686bc1416b3b07a4a618dAlex Sakhartchouk 775c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk mConstantsDirty = true; 7769fc9f0375a92fe22fecb3782b18a5c6060a07290Alex Sakhartchouk} 7779fc9f0375a92fe22fecb3782b18a5c6060a07290Alex Sakhartchouk 778ca5a454e022caec6c6d3cbb404cc09ea095ba97aAlex Sakhartchoukvoid FontState::getFontColor(float *r, float *g, float *b, float *a) const { 779c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk *r = mConstants.mFontColor[0]; 780c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk *g = mConstants.mFontColor[1]; 781c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk *b = mConstants.mFontColor[2]; 782c9fa30536fb41f0166153561388b7c42f7cb85a0Alex Sakhartchouk *a = mConstants.mFontColor[3]; 783ca5a454e022caec6c6d3cbb404cc09ea095ba97aAlex Sakhartchouk} 784ca5a454e022caec6c6d3cbb404cc09ea095ba97aAlex Sakhartchouk 785afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchoukvoid FontState::deinit(Context *rsc) { 786a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mInitialized = false; 787a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk 78801b7d2995f9cbd33a9ccdf861fe959743a4b9954Stephen Hines mFontShaderFConstant.clear(); 78901b7d2995f9cbd33a9ccdf861fe959743a4b9954Stephen Hines 790a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mIndexBuffer.clear(); 791a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mVertexArray.clear(); 792a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk 793a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mFontShaderF.clear(); 794a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mFontSampler.clear(); 795a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mFontProgramStore.clear(); 796a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk 797a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mTextTexture.clear(); 798afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk for (uint32_t i = 0; i < mCacheLines.size(); i ++) { 799a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk delete mCacheLines[i]; 800d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk } 801a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk mCacheLines.clear(); 802d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 803d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk mDefault.clear(); 804a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk 805afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (mLibrary) { 806a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk FT_Done_FreeType( mLibrary ); 8073659d94d345c333bf98070dbe7b6daee233225a9Alex Sakhartchouk mLibrary = NULL; 808a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk } 809d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 810d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 81102000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchoukbool FontState::CacheTextureLine::fitBitmap(FT_Bitmap_ *bitmap, uint32_t *retOriginX, uint32_t *retOriginY) { 81202000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk if ((uint32_t)bitmap->rows > mMaxHeight) { 81302000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk return false; 81402000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk } 81502000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk 81602000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk if (mCurrentCol + (uint32_t)bitmap->width < mMaxWidth) { 81702000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk *retOriginX = mCurrentCol; 81802000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk *retOriginY = mCurrentRow; 81902000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk mCurrentCol += bitmap->width; 82002000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk mDirty = true; 82102000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk return true; 82202000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk } 82302000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk 82402000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk return false; 82502000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk} 82602000b3cdcb2ac369bd06313932b26d4b8e023a9Alex Sakhartchouk 827d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouknamespace android { 828d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouknamespace renderscript { 829d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 83070b83c111beceaf8fbb700580833e7fec99272cfAlex SakhartchoukRsFont rsi_FontCreateFromFile(Context *rsc, 83170b83c111beceaf8fbb700580833e7fec99272cfAlex Sakhartchouk char const *name, size_t name_length, 83270b83c111beceaf8fbb700580833e7fec99272cfAlex Sakhartchouk float fontSize, uint32_t dpi) { 833a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk Font *newFont = Font::create(rsc, name, fontSize, dpi); 834afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (newFont) { 835a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk newFont->incUserRef(); 836a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk } 837a1ccecd965c07c2739f1258989526051a010bdabAlex Sakhartchouk return newFont; 838d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} 839d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk 84070b83c111beceaf8fbb700580833e7fec99272cfAlex SakhartchoukRsFont rsi_FontCreateFromMemory(Context *rsc, 84170b83c111beceaf8fbb700580833e7fec99272cfAlex Sakhartchouk char const *name, size_t name_length, 84270b83c111beceaf8fbb700580833e7fec99272cfAlex Sakhartchouk float fontSize, uint32_t dpi, 84370b83c111beceaf8fbb700580833e7fec99272cfAlex Sakhartchouk const void *data, size_t data_length) { 84470b83c111beceaf8fbb700580833e7fec99272cfAlex Sakhartchouk Font *newFont = Font::create(rsc, name, fontSize, dpi, data, data_length); 8455224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk if (newFont) { 8465224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk newFont->incUserRef(); 8475224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk } 8485224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk return newFont; 8495224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk} 8505224a27798f89093b13722b41143551a057ce550Alex Sakhartchouk 851d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} // renderscript 852d3e0ad43dc758c409fc23d1893dab67b18520c24Alex Sakhartchouk} // android 853