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Remove unused stb_truetype-based DynamicFont implementation
The DynamicFont implementation currently in use is based on FreeType, which provides much better visual quality. This old implementation wasn't exposed anywhere, so this shouldn't break compatibility. This decreases binary sizes by a few kilobytes.
This commit is contained in:
Hugo Locurcio
parent
893ebd3080
commit
379e1789dd
@ -298,12 +298,6 @@ Comment: SMAZ
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Copyright: 2006-2009, Salvatore Sanfilippo
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License: BSD-3-clause
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Files: ./thirdparty/misc/stb_truetype.h
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./thirdparty/misc/stb_vorbis.c
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Comment: stb libraries
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Copyright: 2007-2019, Sean Barrett
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License: public-domain
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Files: ./thirdparty/misc/triangulator.cpp
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./thirdparty/misc/triangulator.h
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Comment: PolyPartition
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@ -139,7 +139,6 @@
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#include "scene/resources/cylinder_shape.h"
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#include "scene/resources/default_theme/default_theme.h"
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#include "scene/resources/dynamic_font.h"
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#include "scene/resources/dynamic_font_stb.h"
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#include "scene/resources/gradient.h"
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#include "scene/resources/height_map_shape.h"
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#include "scene/resources/line_shape_2d.h"
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@ -1,524 +0,0 @@
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/*************************************************************************/
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/* dynamic_font_stb.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "dynamic_font_stb.h"
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#ifndef FREETYPE_ENABLED
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#define STB_TRUETYPE_IMPLEMENTATION
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#include "core/os/file_access.h"
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void DynamicFontData::lock() {
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fr = font_data.read();
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if (fr.ptr() != last_data_ptr) {
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last_data_ptr = fr.ptr();
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if (!stbtt_InitFont(&info, last_data_ptr, 0)) {
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valid = false;
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} else {
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valid = true;
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}
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last_data_ptr = fr.ptr();
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}
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}
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void DynamicFontData::unlock() {
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fr.release();
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}
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void DynamicFontData::set_font_data(const PoolVector<uint8_t> &p_font) {
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//clear caches and stuff
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ERR_FAIL_COND(font_data.size());
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font_data = p_font;
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lock();
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if (valid) {
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stbtt_GetFontVMetrics(&info, &ascent, &descent, &linegap);
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descent = -descent + linegap;
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for (int i = 32; i < 1024; i++) {
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for (int j = 32; j < 1024; j++) {
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int kern = stbtt_GetCodepointKernAdvance(&info, i, j);
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if (kern != 0) {
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KerningPairKey kpk;
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kpk.A = i;
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kpk.B = j;
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kerning_map[kpk] = kern;
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}
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}
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}
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}
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unlock();
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//clear existing stuff
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ERR_FAIL_COND(!valid);
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}
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Ref<DynamicFontAtSize> DynamicFontData::_get_dynamic_font_at_size(int p_size) {
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ERR_FAIL_COND_V(!valid, Ref<DynamicFontAtSize>());
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if (size_cache.has(p_size)) {
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return Ref<DynamicFontAtSize>(size_cache[p_size]);
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}
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Ref<DynamicFontAtSize> dfas;
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dfas.instance();
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dfas->font = Ref<DynamicFontData>(this);
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size_cache[p_size] = dfas.ptr();
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dfas->size = p_size;
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lock();
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dfas->scale = stbtt_ScaleForPixelHeight(&info, p_size);
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unlock();
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return dfas;
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}
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DynamicFontData::DynamicFontData() {
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last_data_ptr = NULL;
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valid = false;
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}
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DynamicFontData::~DynamicFontData() {
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}
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////////////////////
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float DynamicFontAtSize::get_height() const {
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return (font->ascent + font->descent) * scale;
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}
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float DynamicFontAtSize::get_ascent() const {
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return font->ascent * scale;
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}
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float DynamicFontAtSize::get_descent() const {
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return font->descent * scale;
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}
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Size2 DynamicFontAtSize::get_char_size(CharType p_char, CharType p_next) const {
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const_cast<DynamicFontAtSize *>(this)->_update_char(p_char);
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const Character *c = char_map.getptr(p_char);
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ERR_FAIL_COND_V(!c, Size2());
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Size2 ret(c->advance, get_height());
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if (p_next) {
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DynamicFontData::KerningPairKey kpk;
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kpk.A = p_char;
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kpk.B = p_next;
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const Map<DynamicFontData::KerningPairKey, int>::Element *K = font->kerning_map.find(kpk);
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if (K) {
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ret.x += K->get() * scale;
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}
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}
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return ret;
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}
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float DynamicFontAtSize::draw_char(RID p_canvas_item, const Point2 &p_pos, CharType p_char, CharType p_next, const Color &p_modulate, bool p_outline) const {
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const_cast<DynamicFontAtSize *>(this)->_update_char(p_char);
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const Character *c = char_map.getptr(p_char);
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if (!c) {
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return 0;
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}
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if (!p_outline) {
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Point2 cpos = p_pos;
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cpos.x += c->h_align;
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cpos.y -= get_ascent();
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cpos.y += c->v_align;
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ERR_FAIL_COND_V(c->texture_idx < -1 || c->texture_idx >= textures.size(), 0);
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if (c->texture_idx != -1)
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VisualServer::get_singleton()->canvas_item_add_texture_rect_region(p_canvas_item, Rect2(cpos, c->rect.size), textures[c->texture_idx].texture->get_rid(), c->rect, p_modulate);
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}
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//textures[c->texture_idx].texture->draw(p_canvas_item,Vector2());
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float ret = c->advance;
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if (p_next) {
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DynamicFontData::KerningPairKey kpk;
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kpk.A = p_char;
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kpk.B = p_next;
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const Map<DynamicFontData::KerningPairKey, int>::Element *K = font->kerning_map.find(kpk);
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if (K) {
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ret += K->get() * scale;
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}
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}
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return ret;
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}
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void DynamicFontAtSize::_update_char(CharType p_char) {
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if (char_map.has(p_char))
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return;
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font->lock();
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int w, h, xofs, yofs;
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unsigned char *cpbitmap = stbtt_GetCodepointBitmap(&font->info, scale, scale, p_char, &w, &h, &xofs, &yofs);
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if (!cpbitmap) {
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//no glyph
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int advance;
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stbtt_GetCodepointHMetrics(&font->info, p_char, &advance, 0);
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Character ch;
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ch.texture_idx = -1;
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ch.advance = advance * scale;
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ch.h_align = 0;
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ch.v_align = 0;
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char_map[p_char] = ch;
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font->unlock();
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return;
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}
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int mw = w + rect_margin * 2;
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int mh = h + rect_margin * 2;
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if (mw > 4096 || mh > 4096) {
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stbtt_FreeBitmap(cpbitmap, NULL);
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font->unlock();
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ERR_FAIL_COND(mw > 4096);
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ERR_FAIL_COND(mh > 4096);
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}
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//find a texture to fit this...
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int tex_index = -1;
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int tex_x = 0;
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int tex_y = 0;
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for (int i = 0; i < textures.size(); i++) {
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CharTexture &ct = textures[i];
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if (mw > ct.texture_size || mh > ct.texture_size) //too big for this texture
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continue;
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tex_y = 0x7FFFFFFF;
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tex_x = 0;
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for (int j = 0; j < ct.texture_size - mw; j++) {
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int max_y = 0;
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for (int k = j; k < j + mw; k++) {
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int y = ct.offsets[k];
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if (y > max_y)
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max_y = y;
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}
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if (max_y < tex_y) {
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tex_y = max_y;
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tex_x = j;
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}
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}
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if (tex_y == 0x7FFFFFFF || tex_y + mh > ct.texture_size)
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continue; //fail, could not fit it here
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tex_index = i;
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break;
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}
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if (tex_index == -1) {
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//could not find texture to fit, create one
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tex_x = 0;
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tex_y = 0;
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int texsize = MAX(size * 8, 256);
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if (mw > texsize)
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texsize = mw; //special case, adapt to it?
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if (mh > texsize)
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texsize = mh; //special case, adapt to it?
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texsize = next_power_of_2(texsize);
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texsize = MIN(texsize, 4096);
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CharTexture tex;
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tex.texture_size = texsize;
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tex.imgdata.resize(texsize * texsize * 2); //grayscale alpha
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{
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//zero texture
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PoolVector<uint8_t>::Write w = tex.imgdata.write();
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ERR_FAIL_COND(texsize * texsize * 2 > tex.imgdata.size());
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for (int i = 0; i < texsize * texsize * 2; i++) {
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w[i] = 0;
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}
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}
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tex.offsets.resize(texsize);
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for (int i = 0; i < texsize; i++) //zero offsets
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tex.offsets[i] = 0;
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textures.push_back(tex);
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tex_index = textures.size() - 1;
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}
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//fit character in char texture
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CharTexture &tex = textures[tex_index];
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{
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PoolVector<uint8_t>::Write wr = tex.imgdata.write();
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for (int i = 0; i < h; i++) {
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for (int j = 0; j < w; j++) {
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int ofs = ((i + tex_y + rect_margin) * tex.texture_size + j + tex_x + rect_margin) * 2;
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ERR_FAIL_COND(ofs >= tex.imgdata.size());
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wr[ofs + 0] = 255; //grayscale as 1
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wr[ofs + 1] = cpbitmap[i * w + j]; //alpha as 0
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}
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}
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}
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//blit to image and texture
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{
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Ref<Image> img = memnew(Image(tex.texture_size, tex.texture_size, 0, Image::FORMAT_LA8, tex.imgdata));
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if (tex.texture.is_null()) {
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tex.texture.instance();
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tex.texture->create_from_image(img, Texture::FLAG_FILTER);
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} else {
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tex.texture->set_data(img); //update
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}
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}
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// update height array
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for (int k = tex_x; k < tex_x + mw; k++) {
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tex.offsets[k] = tex_y + mh;
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}
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int advance;
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stbtt_GetCodepointHMetrics(&font->info, p_char, &advance, 0);
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Character chr;
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chr.h_align = xofs;
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chr.v_align = yofs + get_ascent();
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chr.advance = advance * scale;
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chr.texture_idx = tex_index;
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chr.rect = Rect2(tex_x + rect_margin, tex_y + rect_margin, w, h);
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char_map[p_char] = chr;
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stbtt_FreeBitmap(cpbitmap, NULL);
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font->unlock();
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}
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DynamicFontAtSize::DynamicFontAtSize() {
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rect_margin = 1;
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}
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DynamicFontAtSize::~DynamicFontAtSize() {
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ERR_FAIL_COND(!font.ptr());
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font->size_cache.erase(size);
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}
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/////////////////////////
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void DynamicFont::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_font_data", "data"), &DynamicFont::set_font_data);
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ClassDB::bind_method(D_METHOD("get_font_data"), &DynamicFont::get_font_data);
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ClassDB::bind_method(D_METHOD("set_size", "data"), &DynamicFont::set_size);
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ClassDB::bind_method(D_METHOD("get_size"), &DynamicFont::get_size);
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ADD_PROPERTY(PropertyInfo(Variant::INT, "font/size"), "set_size", "get_size");
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ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "font/font", PROPERTY_HINT_RESOURCE_TYPE, "DynamicFontData"), "set_font_data", "get_font_data");
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}
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void DynamicFont::set_font_data(const Ref<DynamicFontData> &p_data) {
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data = p_data;
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data_at_size = data->_get_dynamic_font_at_size(size);
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}
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Ref<DynamicFontData> DynamicFont::get_font_data() const {
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return data;
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}
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void DynamicFont::set_size(int p_size) {
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if (size == p_size)
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return;
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size = p_size;
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ERR_FAIL_COND(p_size < 1);
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if (!data.is_valid())
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return;
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data_at_size = data->_get_dynamic_font_at_size(size);
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}
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int DynamicFont::get_size() const {
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return size;
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}
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float DynamicFont::get_height() const {
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if (!data_at_size.is_valid())
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return 1;
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return data_at_size->get_height();
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}
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float DynamicFont::get_ascent() const {
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if (!data_at_size.is_valid())
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return 1;
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return data_at_size->get_ascent();
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}
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float DynamicFont::get_descent() const {
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if (!data_at_size.is_valid())
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return 1;
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return data_at_size->get_descent();
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}
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Size2 DynamicFont::get_char_size(CharType p_char, CharType p_next) const {
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if (!data_at_size.is_valid())
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return Size2(1, 1);
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return data_at_size->get_char_size(p_char, p_next);
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}
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bool DynamicFont::is_distance_field_hint() const {
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return false;
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}
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float DynamicFont::draw_char(RID p_canvas_item, const Point2 &p_pos, CharType p_char, CharType p_next, const Color &p_modulate, bool p_outline) const {
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if (!data_at_size.is_valid())
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return 0;
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return data_at_size->draw_char(p_canvas_item, p_pos, p_char, p_next, p_modulate, p_outline);
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}
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DynamicFont::DynamicFont() {
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size = 16;
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}
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DynamicFont::~DynamicFont() {
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}
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/////////////////////////
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RES ResourceFormatLoaderDynamicFont::load(const String &p_path, const String &p_original_path, Error *r_error) {
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if (r_error)
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*r_error = ERR_FILE_CANT_OPEN;
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FileAccess *f = FileAccess::open(p_path, FileAccess::READ);
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ERR_FAIL_COND_V_MSG(!f, RES(), "Cannot load font from file '" + p_path + "'.");
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|
||||
PoolVector<uint8_t> data;
|
||||
|
||||
data.resize(f->get_len());
|
||||
|
||||
ERR_FAIL_COND_V(data.size() == 0, RES());
|
||||
|
||||
{
|
||||
PoolVector<uint8_t>::Write w = data.write();
|
||||
f->get_buffer(w.ptr(), data.size());
|
||||
}
|
||||
|
||||
Ref<DynamicFontData> dfd;
|
||||
dfd.instance();
|
||||
dfd->set_font_data(data);
|
||||
|
||||
if (r_error)
|
||||
*r_error = OK;
|
||||
|
||||
return dfd;
|
||||
}
|
||||
|
||||
void ResourceFormatLoaderDynamicFont::get_recognized_extensions(List<String> *p_extensions) const {
|
||||
|
||||
p_extensions->push_back("ttf");
|
||||
}
|
||||
|
||||
bool ResourceFormatLoaderDynamicFont::handles_type(const String &p_type) const {
|
||||
|
||||
return (p_type == "DynamicFontData");
|
||||
}
|
||||
|
||||
String ResourceFormatLoaderDynamicFont::get_resource_type(const String &p_path) const {
|
||||
|
||||
String el = p_path.get_extension().to_lower();
|
||||
if (el == "ttf")
|
||||
return "DynamicFontData";
|
||||
return "";
|
||||
}
|
||||
|
||||
#endif
|
||||
@ -1,191 +0,0 @@
|
||||
/*************************************************************************/
|
||||
/* dynamic_font_stb.h */
|
||||
/*************************************************************************/
|
||||
/* This file is part of: */
|
||||
/* GODOT ENGINE */
|
||||
/* https://godotengine.org */
|
||||
/*************************************************************************/
|
||||
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
|
||||
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
|
||||
/* */
|
||||
/* Permission is hereby granted, free of charge, to any person obtaining */
|
||||
/* a copy of this software and associated documentation files (the */
|
||||
/* "Software"), to deal in the Software without restriction, including */
|
||||
/* without limitation the rights to use, copy, modify, merge, publish, */
|
||||
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
||||
/* permit persons to whom the Software is furnished to do so, subject to */
|
||||
/* the following conditions: */
|
||||
/* */
|
||||
/* The above copyright notice and this permission notice shall be */
|
||||
/* included in all copies or substantial portions of the Software. */
|
||||
/* */
|
||||
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
||||
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
||||
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
||||
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
||||
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
||||
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
||||
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
||||
/*************************************************************************/
|
||||
|
||||
#ifndef DYNAMICFONT_STB_H
|
||||
#define DYNAMICFONT_STB_H
|
||||
|
||||
#ifndef FREETYPE_ENABLED
|
||||
|
||||
#include "core/io/resource_loader.h"
|
||||
#include "font.h"
|
||||
|
||||
#include "thirdparty/misc/stb_truetype.h"
|
||||
|
||||
class DynamicFontAtSize;
|
||||
class DynamicFont;
|
||||
|
||||
class DynamicFontData : public Resource {
|
||||
|
||||
GDCLASS(DynamicFontData, Resource);
|
||||
|
||||
bool valid;
|
||||
|
||||
PoolVector<uint8_t> font_data;
|
||||
PoolVector<uint8_t>::Read fr;
|
||||
const uint8_t *last_data_ptr;
|
||||
|
||||
struct KerningPairKey {
|
||||
|
||||
union {
|
||||
struct {
|
||||
uint32_t A, B;
|
||||
};
|
||||
|
||||
uint64_t pair;
|
||||
};
|
||||
|
||||
_FORCE_INLINE_ bool operator<(const KerningPairKey &p_r) const { return pair < p_r.pair; }
|
||||
};
|
||||
|
||||
Map<KerningPairKey, int> kerning_map;
|
||||
|
||||
Map<int, DynamicFontAtSize *> size_cache;
|
||||
|
||||
friend class DynamicFontAtSize;
|
||||
|
||||
stbtt_fontinfo info;
|
||||
int ascent;
|
||||
int descent;
|
||||
int linegap;
|
||||
|
||||
void lock();
|
||||
void unlock();
|
||||
|
||||
friend class DynamicFont;
|
||||
|
||||
Ref<DynamicFontAtSize> _get_dynamic_font_at_size(int p_size);
|
||||
|
||||
public:
|
||||
void set_font_data(const PoolVector<uint8_t> &p_font);
|
||||
DynamicFontData();
|
||||
~DynamicFontData();
|
||||
};
|
||||
|
||||
class DynamicFontAtSize : public Reference {
|
||||
|
||||
GDCLASS(DynamicFontAtSize, Reference);
|
||||
|
||||
int rect_margin;
|
||||
|
||||
struct CharTexture {
|
||||
|
||||
PoolVector<uint8_t> imgdata;
|
||||
int texture_size;
|
||||
Vector<int> offsets;
|
||||
Ref<ImageTexture> texture;
|
||||
};
|
||||
|
||||
Vector<CharTexture> textures;
|
||||
|
||||
struct Character {
|
||||
|
||||
int texture_idx;
|
||||
Rect2 rect;
|
||||
float v_align;
|
||||
float h_align;
|
||||
float advance;
|
||||
|
||||
Character() {
|
||||
texture_idx = 0;
|
||||
v_align = 0;
|
||||
}
|
||||
};
|
||||
|
||||
HashMap<CharType, Character> char_map;
|
||||
|
||||
_FORCE_INLINE_ void _update_char(CharType p_char);
|
||||
|
||||
friend class DynamicFontData;
|
||||
Ref<DynamicFontData> font;
|
||||
float scale;
|
||||
int size;
|
||||
|
||||
protected:
|
||||
public:
|
||||
float get_height() const;
|
||||
|
||||
float get_ascent() const;
|
||||
float get_descent() const;
|
||||
|
||||
Size2 get_char_size(CharType p_char, CharType p_next = 0) const;
|
||||
|
||||
float draw_char(RID p_canvas_item, const Point2 &p_pos, CharType p_char, CharType p_next = 0, const Color &p_modulate = Color(1, 1, 1), bool p_outline = false) const;
|
||||
|
||||
DynamicFontAtSize();
|
||||
~DynamicFontAtSize();
|
||||
};
|
||||
|
||||
///////////////
|
||||
|
||||
class DynamicFont : public Font {
|
||||
|
||||
GDCLASS(DynamicFont, Font);
|
||||
|
||||
Ref<DynamicFontData> data;
|
||||
Ref<DynamicFontAtSize> data_at_size;
|
||||
int size;
|
||||
|
||||
protected:
|
||||
static void _bind_methods();
|
||||
|
||||
public:
|
||||
void set_font_data(const Ref<DynamicFontData> &p_data);
|
||||
Ref<DynamicFontData> get_font_data() const;
|
||||
|
||||
void set_size(int p_size);
|
||||
int get_size() const;
|
||||
|
||||
virtual float get_height() const;
|
||||
|
||||
virtual float get_ascent() const;
|
||||
virtual float get_descent() const;
|
||||
|
||||
virtual Size2 get_char_size(CharType p_char, CharType p_next = 0) const;
|
||||
|
||||
virtual bool is_distance_field_hint() const;
|
||||
|
||||
virtual float draw_char(RID p_canvas_item, const Point2 &p_pos, CharType p_char, CharType p_next = 0, const Color &p_modulate = Color(1, 1, 1), bool p_outline = false) const;
|
||||
|
||||
DynamicFont();
|
||||
~DynamicFont();
|
||||
};
|
||||
|
||||
/////////////
|
||||
|
||||
class ResourceFormatLoaderDynamicFont : public ResourceFormatLoader {
|
||||
public:
|
||||
virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = NULL);
|
||||
virtual void get_recognized_extensions(List<String> *p_extensions) const;
|
||||
virtual bool handles_type(const String &p_type) const;
|
||||
virtual String get_resource_type(const String &p_path) const;
|
||||
};
|
||||
|
||||
#endif
|
||||
#endif // DYNAMICFONT_H
|
||||
4
thirdparty/README.md
vendored
4
thirdparty/README.md
vendored
@ -374,10 +374,6 @@ Collection of single-file libraries used in Godot components.
|
||||
* Upstream: https://wiki.blender.org/index.php/Dev:Shading/Tangent_Space_Normal_Maps
|
||||
* Version: 1.0
|
||||
* License: zlib
|
||||
- `stb_truetype.h`
|
||||
* Upstream: https://github.com/nothings/stb
|
||||
* Version: 1.21
|
||||
* License: Public Domain (Unlicense) or MIT
|
||||
- `stb_vorbis.c`
|
||||
* Upstream: https://github.com/nothings/stb
|
||||
* Version: 1.16
|
||||
|
||||
4882
thirdparty/misc/stb_truetype.h
vendored
4882
thirdparty/misc/stb_truetype.h
vendored
File diff suppressed because it is too large
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Reference in New Issue
Block a user