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-rw-r--r--scene/resources/font.cpp759
-rw-r--r--scene/resources/font.h9
2 files changed, 768 insertions, 0 deletions
diff --git a/scene/resources/font.cpp b/scene/resources/font.cpp
index d9e0c301de..f040041aa5 100644
--- a/scene/resources/font.cpp
+++ b/scene/resources/font.cpp
@@ -30,6 +30,7 @@
#include "font.h"
+#include "core/io/image_loader.h"
#include "core/io/resource_loader.h"
#include "core/string/translation.h"
#include "core/templates/hashfuncs.h"
@@ -64,6 +65,9 @@ _FORCE_INLINE_ void FontData::_ensure_rid(int p_cache_index) const {
}
void FontData::_bind_methods() {
+ ClassDB::bind_method(D_METHOD("load_bitmap_font", "path"), &FontData::load_bitmap_font);
+ ClassDB::bind_method(D_METHOD("load_dynamic_font", "path"), &FontData::load_dynamic_font);
+
ClassDB::bind_method(D_METHOD("set_data", "data"), &FontData::set_data);
ClassDB::bind_method(D_METHOD("get_data"), &FontData::get_data);
@@ -428,11 +432,766 @@ void FontData::reset_state() {
hinting = TextServer::HINTING_LIGHT;
msdf_pixel_range = 14;
msdf_size = 128;
+ fixed_size = 0;
oversampling = 0.f;
}
+void FontData::_convert_packed_8bit(Ref<Image> &p_source, int p_page, int p_sz) {
+ int w = p_source->get_width();
+ int h = p_source->get_height();
+
+ PackedByteArray imgdata = p_source->get_data();
+ const uint8_t *r = imgdata.ptr();
+
+ PackedByteArray imgdata_r;
+ imgdata_r.resize(w * h * 2);
+ uint8_t *wr = imgdata_r.ptrw();
+
+ PackedByteArray imgdata_g;
+ imgdata_g.resize(w * h * 2);
+ uint8_t *wg = imgdata_g.ptrw();
+
+ PackedByteArray imgdata_b;
+ imgdata_b.resize(w * h * 2);
+ uint8_t *wb = imgdata_b.ptrw();
+
+ PackedByteArray imgdata_a;
+ imgdata_a.resize(w * h * 2);
+ uint8_t *wa = imgdata_a.ptrw();
+
+ for (int i = 0; i < h; i++) {
+ for (int j = 0; j < w; j++) {
+ int ofs_src = (i * w + j) * 4;
+ int ofs_dst = (i * w + j) * 2;
+ wr[ofs_dst + 0] = 255;
+ wr[ofs_dst + 1] = r[ofs_src + 0];
+ wg[ofs_dst + 0] = 255;
+ wg[ofs_dst + 1] = r[ofs_src + 1];
+ wb[ofs_dst + 0] = 255;
+ wb[ofs_dst + 1] = r[ofs_src + 2];
+ wa[ofs_dst + 0] = 255;
+ wa[ofs_dst + 1] = r[ofs_src + 3];
+ }
+ }
+ Ref<Image> img_r = memnew(Image(w, h, 0, Image::FORMAT_LA8, imgdata_r));
+ set_texture_image(0, Vector2i(p_sz, 0), p_page * 4 + 0, img_r);
+ Ref<Image> img_g = memnew(Image(w, h, 0, Image::FORMAT_LA8, imgdata_g));
+ set_texture_image(0, Vector2i(p_sz, 0), p_page * 4 + 1, img_g);
+ Ref<Image> img_b = memnew(Image(w, h, 0, Image::FORMAT_LA8, imgdata_b));
+ set_texture_image(0, Vector2i(p_sz, 0), p_page * 4 + 2, img_b);
+ Ref<Image> img_a = memnew(Image(w, h, 0, Image::FORMAT_LA8, imgdata_a));
+ set_texture_image(0, Vector2i(p_sz, 0), p_page * 4 + 3, img_a);
+}
+
+void FontData::_convert_packed_4bit(Ref<Image> &p_source, int p_page, int p_sz) {
+ int w = p_source->get_width();
+ int h = p_source->get_height();
+
+ PackedByteArray imgdata = p_source->get_data();
+ const uint8_t *r = imgdata.ptr();
+
+ PackedByteArray imgdata_r;
+ imgdata_r.resize(w * h * 2);
+ uint8_t *wr = imgdata_r.ptrw();
+
+ PackedByteArray imgdata_g;
+ imgdata_g.resize(w * h * 2);
+ uint8_t *wg = imgdata_g.ptrw();
+
+ PackedByteArray imgdata_b;
+ imgdata_b.resize(w * h * 2);
+ uint8_t *wb = imgdata_b.ptrw();
+
+ PackedByteArray imgdata_a;
+ imgdata_a.resize(w * h * 2);
+ uint8_t *wa = imgdata_a.ptrw();
+
+ PackedByteArray imgdata_ro;
+ imgdata_ro.resize(w * h * 2);
+ uint8_t *wro = imgdata_ro.ptrw();
+
+ PackedByteArray imgdata_go;
+ imgdata_go.resize(w * h * 2);
+ uint8_t *wgo = imgdata_go.ptrw();
+
+ PackedByteArray imgdata_bo;
+ imgdata_bo.resize(w * h * 2);
+ uint8_t *wbo = imgdata_bo.ptrw();
+
+ PackedByteArray imgdata_ao;
+ imgdata_ao.resize(w * h * 2);
+ uint8_t *wao = imgdata_ao.ptrw();
+
+ for (int i = 0; i < h; i++) {
+ for (int j = 0; j < w; j++) {
+ int ofs_src = (i * w + j) * 4;
+ int ofs_dst = (i * w + j) * 2;
+ wr[ofs_dst + 0] = 255;
+ wro[ofs_dst + 0] = 255;
+ if (r[ofs_src + 0] > 0x0F) {
+ wr[ofs_dst + 1] = (r[ofs_src + 0] - 0x0F) * 2;
+ wro[ofs_dst + 1] = 0;
+ } else {
+ wr[ofs_dst + 1] = 0;
+ wro[ofs_dst + 1] = r[ofs_src + 0] * 2;
+ }
+ wg[ofs_dst + 0] = 255;
+ wgo[ofs_dst + 0] = 255;
+ if (r[ofs_src + 1] > 0x0F) {
+ wg[ofs_dst + 1] = (r[ofs_src + 1] - 0x0F) * 2;
+ wgo[ofs_dst + 1] = 0;
+ } else {
+ wg[ofs_dst + 1] = 0;
+ wgo[ofs_dst + 1] = r[ofs_src + 1] * 2;
+ }
+ wb[ofs_dst + 0] = 255;
+ wbo[ofs_dst + 0] = 255;
+ if (r[ofs_src + 2] > 0x0F) {
+ wb[ofs_dst + 1] = (r[ofs_src + 2] - 0x0F) * 2;
+ wbo[ofs_dst + 1] = 0;
+ } else {
+ wb[ofs_dst + 1] = 0;
+ wbo[ofs_dst + 1] = r[ofs_src + 2] * 2;
+ }
+ wa[ofs_dst + 0] = 255;
+ wao[ofs_dst + 0] = 255;
+ if (r[ofs_src + 3] > 0x0F) {
+ wa[ofs_dst + 1] = (r[ofs_src + 3] - 0x0F) * 2;
+ wao[ofs_dst + 1] = 0;
+ } else {
+ wa[ofs_dst + 1] = 0;
+ wao[ofs_dst + 1] = r[ofs_src + 3] * 2;
+ }
+ }
+ }
+ Ref<Image> img_r = memnew(Image(w, h, 0, Image::FORMAT_LA8, imgdata_r));
+ set_texture_image(0, Vector2i(p_sz, 0), p_page * 4 + 0, img_r);
+ Ref<Image> img_g = memnew(Image(w, h, 0, Image::FORMAT_LA8, imgdata_g));
+ set_texture_image(0, Vector2i(p_sz, 0), p_page * 4 + 1, img_g);
+ Ref<Image> img_b = memnew(Image(w, h, 0, Image::FORMAT_LA8, imgdata_b));
+ set_texture_image(0, Vector2i(p_sz, 0), p_page * 4 + 2, img_b);
+ Ref<Image> img_a = memnew(Image(w, h, 0, Image::FORMAT_LA8, imgdata_a));
+ set_texture_image(0, Vector2i(p_sz, 0), p_page * 4 + 3, img_a);
+
+ Ref<Image> img_ro = memnew(Image(w, h, 0, Image::FORMAT_LA8, imgdata_ro));
+ set_texture_image(0, Vector2i(p_sz, 1), p_page * 4 + 0, img_ro);
+ Ref<Image> img_go = memnew(Image(w, h, 0, Image::FORMAT_LA8, imgdata_go));
+ set_texture_image(0, Vector2i(p_sz, 1), p_page * 4 + 1, img_go);
+ Ref<Image> img_bo = memnew(Image(w, h, 0, Image::FORMAT_LA8, imgdata_bo));
+ set_texture_image(0, Vector2i(p_sz, 1), p_page * 4 + 2, img_bo);
+ Ref<Image> img_ao = memnew(Image(w, h, 0, Image::FORMAT_LA8, imgdata_ao));
+ set_texture_image(0, Vector2i(p_sz, 1), p_page * 4 + 3, img_ao);
+}
+
+void FontData::_convert_rgba_4bit(Ref<Image> &p_source, int p_page, int p_sz) {
+ int w = p_source->get_width();
+ int h = p_source->get_height();
+
+ PackedByteArray imgdata = p_source->get_data();
+ const uint8_t *r = imgdata.ptr();
+
+ PackedByteArray imgdata_g;
+ imgdata_g.resize(w * h * 4);
+ uint8_t *wg = imgdata_g.ptrw();
+
+ PackedByteArray imgdata_o;
+ imgdata_o.resize(w * h * 4);
+ uint8_t *wo = imgdata_o.ptrw();
+
+ for (int i = 0; i < h; i++) {
+ for (int j = 0; j < w; j++) {
+ int ofs = (i * w + j) * 4;
+
+ if (r[ofs + 0] > 0x7F) {
+ wg[ofs + 0] = r[ofs + 0];
+ wo[ofs + 0] = 0;
+ } else {
+ wg[ofs + 0] = 0;
+ wo[ofs + 0] = r[ofs + 0] * 2;
+ }
+ if (r[ofs + 1] > 0x7F) {
+ wg[ofs + 1] = r[ofs + 1];
+ wo[ofs + 1] = 0;
+ } else {
+ wg[ofs + 1] = 0;
+ wo[ofs + 1] = r[ofs + 1] * 2;
+ }
+ if (r[ofs + 2] > 0x7F) {
+ wg[ofs + 2] = r[ofs + 2];
+ wo[ofs + 2] = 0;
+ } else {
+ wg[ofs + 2] = 0;
+ wo[ofs + 2] = r[ofs + 2] * 2;
+ }
+ if (r[ofs + 3] > 0x7F) {
+ wg[ofs + 3] = r[ofs + 3];
+ wo[ofs + 3] = 0;
+ } else {
+ wg[ofs + 3] = 0;
+ wo[ofs + 3] = r[ofs + 3] * 2;
+ }
+ }
+ }
+ Ref<Image> img_g = memnew(Image(w, h, 0, Image::FORMAT_RGBA8, imgdata_g));
+ set_texture_image(0, Vector2i(p_sz, 0), p_page, img_g);
+
+ Ref<Image> img_o = memnew(Image(w, h, 0, Image::FORMAT_RGBA8, imgdata_o));
+ set_texture_image(0, Vector2i(p_sz, 1), p_page, img_o);
+}
+
+void FontData::_convert_mono_8bit(Ref<Image> &p_source, int p_page, int p_ch, int p_sz, int p_ol) {
+ int w = p_source->get_width();
+ int h = p_source->get_height();
+
+ PackedByteArray imgdata = p_source->get_data();
+ const uint8_t *r = imgdata.ptr();
+
+ int size = 4;
+ if (p_source->get_format() == Image::FORMAT_L8) {
+ size = 1;
+ p_ch = 0;
+ }
+
+ PackedByteArray imgdata_g;
+ imgdata_g.resize(w * h * 2);
+ uint8_t *wg = imgdata_g.ptrw();
+
+ for (int i = 0; i < h; i++) {
+ for (int j = 0; j < w; j++) {
+ int ofs_src = (i * w + j) * size;
+ int ofs_dst = (i * w + j) * 2;
+ wg[ofs_dst + 0] = 255;
+ wg[ofs_dst + 1] = r[ofs_src + p_ch];
+ }
+ }
+ Ref<Image> img_g = memnew(Image(w, h, 0, Image::FORMAT_LA8, imgdata_g));
+ set_texture_image(0, Vector2i(p_sz, p_ol), p_page, img_g);
+}
+
+void FontData::_convert_mono_4bit(Ref<Image> &p_source, int p_page, int p_ch, int p_sz, int p_ol) {
+ int w = p_source->get_width();
+ int h = p_source->get_height();
+
+ PackedByteArray imgdata = p_source->get_data();
+ const uint8_t *r = imgdata.ptr();
+
+ int size = 4;
+ if (p_source->get_format() == Image::FORMAT_L8) {
+ size = 1;
+ p_ch = 0;
+ }
+
+ PackedByteArray imgdata_g;
+ imgdata_g.resize(w * h * 2);
+ uint8_t *wg = imgdata_g.ptrw();
+
+ PackedByteArray imgdata_o;
+ imgdata_o.resize(w * h * 2);
+ uint8_t *wo = imgdata_o.ptrw();
+
+ for (int i = 0; i < h; i++) {
+ for (int j = 0; j < w; j++) {
+ int ofs_src = (i * w + j) * size;
+ int ofs_dst = (i * w + j) * 2;
+ wg[ofs_dst + 0] = 255;
+ wo[ofs_dst + 0] = 255;
+ if (r[ofs_src + p_ch] > 0x7F) {
+ wg[ofs_dst + 1] = r[ofs_src + p_ch];
+ wo[ofs_dst + 1] = 0;
+ } else {
+ wg[ofs_dst + 1] = 0;
+ wo[ofs_dst + 1] = r[ofs_src + p_ch] * 2;
+ }
+ }
+ }
+ Ref<Image> img_g = memnew(Image(w, h, 0, Image::FORMAT_LA8, imgdata_g));
+ set_texture_image(0, Vector2i(p_sz, 0), p_page, img_g);
+
+ Ref<Image> img_o = memnew(Image(w, h, 0, Image::FORMAT_LA8, imgdata_o));
+ set_texture_image(0, Vector2i(p_sz, p_ol), p_page, img_o);
+}
+
/*************************************************************************/
+Error FontData::load_bitmap_font(const String &p_path) {
+ reset_state();
+
+ antialiased = false;
+ msdf = false;
+ force_autohinter = false;
+ hinting = TextServer::HINTING_NONE;
+ oversampling = 1.0f;
+
+ FileAccessRef f = FileAccess::open(p_path, FileAccess::READ);
+ if (f == nullptr) {
+ ERR_FAIL_V_MSG(ERR_CANT_CREATE, TTR("Cannot open font from file ") + "\"" + p_path + "\".");
+ }
+
+ int base_size = 16;
+ int height = 0;
+ int ascent = 0;
+ int outline = 0;
+ uint32_t st_flags = 0;
+ String font_name;
+
+ bool packed = false;
+ uint8_t ch[4] = { 0, 0, 0, 0 }; // RGBA
+ int first_gl_ch = -1;
+ int first_ol_ch = -1;
+ int first_cm_ch = -1;
+
+ unsigned char magic[4];
+ f->get_buffer((unsigned char *)&magic, 4);
+ if (magic[0] == 'B' && magic[1] == 'M' && magic[2] == 'F') {
+ // Binary BMFont file.
+ ERR_FAIL_COND_V_MSG(magic[3] != 3, ERR_CANT_CREATE, vformat(TTR("Version %d of BMFont is not supported."), (int)magic[3]));
+
+ uint8_t block_type = f->get_8();
+ uint32_t block_size = f->get_32();
+ while (!f->eof_reached()) {
+ uint64_t off = f->get_position();
+ switch (block_type) {
+ case 1: /* info */ {
+ ERR_FAIL_COND_V_MSG(block_size < 15, ERR_CANT_CREATE, TTR("Invalid BMFont info block size."));
+ base_size = f->get_16();
+ uint8_t flags = f->get_8();
+ ERR_FAIL_COND_V_MSG(flags & 0x02, ERR_CANT_CREATE, TTR("Non-unicode version of BMFont is not supported."));
+ if (flags & (1 << 3)) {
+ st_flags |= TextServer::FONT_BOLD;
+ }
+ if (flags & (1 << 2)) {
+ st_flags |= TextServer::FONT_ITALIC;
+ }
+ f->get_8(); // non-unicode charset, skip
+ f->get_16(); // stretch_h, skip
+ f->get_8(); // aa, skip
+ f->get_32(); // padding, skip
+ f->get_16(); // spacing, skip
+ outline = f->get_8();
+ // font name
+ PackedByteArray name_data;
+ name_data.resize(block_size - 14);
+ f->get_buffer(name_data.ptrw(), block_size - 14);
+ font_name = String::utf8((const char *)name_data.ptr(), block_size - 14);
+ set_fixed_size(base_size);
+ } break;
+ case 2: /* common */ {
+ ERR_FAIL_COND_V_MSG(block_size != 15, ERR_CANT_CREATE, TTR("Invalid BMFont common block size."));
+ height = f->get_16();
+ ascent = f->get_16();
+ f->get_32(); // scale, skip
+ f->get_16(); // pages, skip
+ uint8_t flags = f->get_8();
+ packed = (flags & 0x01);
+ ch[3] = f->get_8();
+ ch[0] = f->get_8();
+ ch[1] = f->get_8();
+ ch[2] = f->get_8();
+ for (int i = 0; i < 4; i++) {
+ if (ch[i] == 0 && first_gl_ch == -1) {
+ first_gl_ch = i;
+ }
+ if (ch[i] == 1 && first_ol_ch == -1) {
+ first_ol_ch = i;
+ }
+ if (ch[i] == 2 && first_cm_ch == -1) {
+ first_cm_ch = i;
+ }
+ }
+ } break;
+ case 3: /* pages */ {
+ int page = 0;
+ CharString cs;
+ char32_t c = f->get_8();
+ while (!f->eof_reached() && f->get_position() <= off + block_size) {
+ if (c == '\0') {
+ String base_dir = p_path.get_base_dir();
+ String file = base_dir.plus_file(String::utf8(cs.ptr(), cs.length()));
+ if (RenderingServer::get_singleton() != nullptr) {
+ Ref<Image> img;
+ img.instantiate();
+ Error err = ImageLoader::load_image(file, img);
+ ERR_FAIL_COND_V_MSG(err != OK, ERR_FILE_CANT_READ, TTR("Can't load font texture: ") + "\"" + file + "\".");
+
+ if (packed) {
+ if (ch[3] == 0) { // 4 x 8 bit monochrome, no outline
+ outline = 0;
+ ERR_FAIL_COND_V_MSG(img->get_format() != Image::FORMAT_RGBA8, ERR_FILE_CANT_READ, TTR("Unsupported BMFont texture format."));
+ _convert_packed_8bit(img, page, base_size);
+ } else if ((ch[3] == 2) && (outline > 0)) { // 4 x 4 bit monochrome, gl + outline
+ ERR_FAIL_COND_V_MSG(img->get_format() != Image::FORMAT_RGBA8, ERR_FILE_CANT_READ, TTR("Unsupported BMFont texture format."));
+ _convert_packed_4bit(img, page, base_size);
+ } else {
+ ERR_FAIL_V_MSG(ERR_CANT_CREATE, TTR("Unsupported BMFont texture format."));
+ }
+ } else {
+ if ((ch[0] == 0) && (ch[1] == 0) && (ch[2] == 0) && (ch[3] == 0)) { // RGBA8 color, no outline
+ outline = 0;
+ ERR_FAIL_COND_V_MSG(img->get_format() != Image::FORMAT_RGBA8, ERR_FILE_CANT_READ, TTR("Unsupported BMFont texture format."));
+ set_texture_image(0, Vector2i(base_size, 0), page, img);
+ } else if ((ch[0] == 2) && (ch[1] == 2) && (ch[2] == 2) && (ch[3] == 2) && (outline > 0)) { // RGBA4 color, gl + outline
+ ERR_FAIL_COND_V_MSG(img->get_format() != Image::FORMAT_RGBA8, ERR_FILE_CANT_READ, TTR("Unsupported BMFont texture format."));
+ _convert_rgba_4bit(img, page, base_size);
+ } else if ((first_gl_ch >= 0) && (first_ol_ch >= 0) && (outline > 0)) { // 1 x 8 bit monochrome, gl + outline
+ ERR_FAIL_COND_V_MSG(img->get_format() != Image::FORMAT_RGBA8 && img->get_format() != Image::FORMAT_L8, ERR_FILE_CANT_READ, TTR("Unsupported BMFont texture format."));
+ _convert_mono_8bit(img, page, first_gl_ch, base_size, 0);
+ _convert_mono_8bit(img, page, first_ol_ch, base_size, 1);
+ } else if ((first_cm_ch >= 0) && (outline > 0)) { // 1 x 4 bit monochrome, gl + outline
+ ERR_FAIL_COND_V_MSG(img->get_format() != Image::FORMAT_RGBA8 && img->get_format() != Image::FORMAT_L8, ERR_FILE_CANT_READ, TTR("Unsupported BMFont texture format."));
+ _convert_mono_4bit(img, page, first_cm_ch, base_size, 1);
+ } else if (first_gl_ch >= 0) { // 1 x 8 bit monochrome, no outline
+ outline = 0;
+ ERR_FAIL_COND_V_MSG(img->get_format() != Image::FORMAT_RGBA8 && img->get_format() != Image::FORMAT_L8, ERR_FILE_CANT_READ, TTR("Unsupported BMFont texture format."));
+ _convert_mono_8bit(img, page, first_gl_ch, base_size, 0);
+ } else {
+ ERR_FAIL_V_MSG(ERR_CANT_CREATE, TTR("Unsupported BMFont texture format."));
+ }
+ }
+ }
+ page++;
+ cs = "";
+ } else {
+ cs += c;
+ }
+ c = f->get_8();
+ }
+ } break;
+ case 4: /* chars */ {
+ int char_count = block_size / 20;
+ for (int i = 0; i < char_count; i++) {
+ Vector2 advance;
+ Vector2 size;
+ Vector2 offset;
+ Rect2 uv_rect;
+
+ char32_t idx = f->get_32();
+ uv_rect.position.x = (int16_t)f->get_16();
+ uv_rect.position.y = (int16_t)f->get_16();
+ uv_rect.size.width = (int16_t)f->get_16();
+ size.width = uv_rect.size.width;
+ uv_rect.size.height = (int16_t)f->get_16();
+ size.height = uv_rect.size.height;
+ offset.x = (int16_t)f->get_16();
+ offset.y = (int16_t)f->get_16() - ascent;
+ advance.x = (int16_t)f->get_16();
+ if (advance.x < 0) {
+ advance.x = size.width + 1;
+ }
+
+ int texture_idx = f->get_8();
+ uint8_t channel = f->get_8();
+
+ ERR_FAIL_COND_V_MSG(!packed && channel != 15, ERR_CANT_CREATE, TTR("Invalid glyph channel."));
+ int ch_off = 0;
+ switch (channel) {
+ case 1:
+ ch_off = 2;
+ break; // B
+ case 2:
+ ch_off = 1;
+ break; // G
+ case 4:
+ ch_off = 0;
+ break; // R
+ case 8:
+ ch_off = 3;
+ break; // A
+ default:
+ ch_off = 0;
+ break;
+ }
+ set_glyph_advance(0, base_size, idx, advance);
+ set_glyph_offset(0, Vector2i(base_size, 0), idx, offset);
+ set_glyph_size(0, Vector2i(base_size, 0), idx, size);
+ set_glyph_uv_rect(0, Vector2i(base_size, 0), idx, uv_rect);
+ set_glyph_texture_idx(0, Vector2i(base_size, 0), idx, texture_idx * (packed ? 4 : 1) + ch_off);
+ if (outline > 0) {
+ set_glyph_offset(0, Vector2i(base_size, 1), idx, offset);
+ set_glyph_size(0, Vector2i(base_size, 1), idx, size);
+ set_glyph_uv_rect(0, Vector2i(base_size, 1), idx, uv_rect);
+ set_glyph_texture_idx(0, Vector2i(base_size, 1), idx, texture_idx * (packed ? 4 : 1) + ch_off);
+ }
+ }
+ } break;
+ case 5: /* kerning */ {
+ int pair_count = block_size / 10;
+ for (int i = 0; i < pair_count; i++) {
+ Vector2i kpk;
+ kpk.x = f->get_32();
+ kpk.y = f->get_32();
+ set_kerning(0, base_size, kpk, Vector2((int16_t)f->get_16(), 0));
+ }
+ } break;
+ default: {
+ ERR_FAIL_V_MSG(ERR_CANT_CREATE, TTR("Invalid BMFont block type."));
+ } break;
+ }
+ f->seek(off + block_size);
+ block_type = f->get_8();
+ block_size = f->get_32();
+ }
+
+ } else {
+ // Text BMFont file.
+ f->seek(0);
+ while (true) {
+ String line = f->get_line();
+
+ int delimiter = line.find(" ");
+ String type = line.substr(0, delimiter);
+ int pos = delimiter + 1;
+ Map<String, String> keys;
+
+ while (pos < line.size() && line[pos] == ' ') {
+ pos++;
+ }
+
+ while (pos < line.size()) {
+ int eq = line.find("=", pos);
+ if (eq == -1) {
+ break;
+ }
+ String key = line.substr(pos, eq - pos);
+ int end = -1;
+ String value;
+ if (line[eq + 1] == '"') {
+ end = line.find("\"", eq + 2);
+ if (end == -1) {
+ break;
+ }
+ value = line.substr(eq + 2, end - 1 - eq - 1);
+ pos = end + 1;
+ } else {
+ end = line.find(" ", eq + 1);
+ if (end == -1) {
+ end = line.size();
+ }
+ value = line.substr(eq + 1, end - eq);
+ pos = end;
+ }
+
+ while (pos < line.size() && line[pos] == ' ') {
+ pos++;
+ }
+
+ keys[key] = value;
+ }
+
+ if (type == "info") {
+ if (keys.has("size")) {
+ base_size = keys["size"].to_int();
+ set_fixed_size(base_size);
+ }
+ if (keys.has("outline")) {
+ outline = keys["outline"].to_int();
+ }
+ if (keys.has("bold")) {
+ if (keys["bold"].to_int()) {
+ st_flags |= TextServer::FONT_BOLD;
+ }
+ }
+ if (keys.has("italic")) {
+ if (keys["italic"].to_int()) {
+ st_flags |= TextServer::FONT_ITALIC;
+ }
+ }
+ if (keys.has("face")) {
+ font_name = keys["face"];
+ }
+ ERR_FAIL_COND_V_MSG((!keys.has("unicode") || keys["unicode"].to_int() != 1), ERR_CANT_CREATE, TTR("Non-unicode version of BMFont is not supported."));
+ } else if (type == "common") {
+ if (keys.has("lineHeight")) {
+ height = keys["lineHeight"].to_int();
+ }
+ if (keys.has("base")) {
+ ascent = keys["base"].to_int();
+ }
+ if (keys.has("packed")) {
+ packed = (keys["packed"].to_int() == 1);
+ }
+ if (keys.has("alphaChnl")) {
+ ch[3] = keys["alphaChnl"].to_int();
+ }
+ if (keys.has("redChnl")) {
+ ch[0] = keys["redChnl"].to_int();
+ }
+ if (keys.has("greenChnl")) {
+ ch[1] = keys["greenChnl"].to_int();
+ }
+ if (keys.has("blueChnl")) {
+ ch[2] = keys["blueChnl"].to_int();
+ }
+ for (int i = 0; i < 4; i++) {
+ if (ch[i] == 0 && first_gl_ch == -1) {
+ first_gl_ch = i;
+ }
+ if (ch[i] == 1 && first_ol_ch == -1) {
+ first_ol_ch = i;
+ }
+ if (ch[i] == 2 && first_cm_ch == -1) {
+ first_cm_ch = i;
+ }
+ }
+ } else if (type == "page") {
+ int page = 0;
+ if (keys.has("id")) {
+ page = keys["id"].to_int();
+ }
+ if (keys.has("file")) {
+ String base_dir = p_path.get_base_dir();
+ String file = base_dir.plus_file(keys["file"]);
+ if (RenderingServer::get_singleton() != nullptr) {
+ Ref<Image> img;
+ img.instantiate();
+ Error err = ImageLoader::load_image(file, img);
+ ERR_FAIL_COND_V_MSG(err != OK, ERR_FILE_CANT_READ, TTR("Can't load font texture: ") + "\"" + file + "\".");
+ if (packed) {
+ if (ch[3] == 0) { // 4 x 8 bit monochrome, no outline
+ outline = 0;
+ ERR_FAIL_COND_V_MSG(img->get_format() != Image::FORMAT_RGBA8, ERR_FILE_CANT_READ, TTR("Unsupported BMFont texture format."));
+ _convert_packed_8bit(img, page, base_size);
+ } else if ((ch[3] == 2) && (outline > 0)) { // 4 x 4 bit monochrome, gl + outline
+ ERR_FAIL_COND_V_MSG(img->get_format() != Image::FORMAT_RGBA8, ERR_FILE_CANT_READ, TTR("Unsupported BMFont texture format."));
+ _convert_packed_4bit(img, page, base_size);
+ } else {
+ ERR_FAIL_V_MSG(ERR_CANT_CREATE, TTR("Unsupported BMFont texture format."));
+ }
+ } else {
+ if ((ch[0] == 0) && (ch[1] == 0) && (ch[2] == 0) && (ch[3] == 0)) { // RGBA8 color, no outline
+ outline = 0;
+ ERR_FAIL_COND_V_MSG(img->get_format() != Image::FORMAT_RGBA8, ERR_FILE_CANT_READ, TTR("Unsupported BMFont texture format."));
+ set_texture_image(0, Vector2i(base_size, 0), page, img);
+ } else if ((ch[0] == 2) && (ch[1] == 2) && (ch[2] == 2) && (ch[3] == 2) && (outline > 0)) { // RGBA4 color, gl + outline
+ ERR_FAIL_COND_V_MSG(img->get_format() != Image::FORMAT_RGBA8, ERR_FILE_CANT_READ, TTR("Unsupported BMFont texture format."));
+ _convert_rgba_4bit(img, page, base_size);
+ } else if ((first_gl_ch >= 0) && (first_ol_ch >= 0) && (outline > 0)) { // 1 x 8 bit monochrome, gl + outline
+ ERR_FAIL_COND_V_MSG(img->get_format() != Image::FORMAT_RGBA8 && img->get_format() != Image::FORMAT_L8, ERR_FILE_CANT_READ, TTR("Unsupported BMFont texture format."));
+ _convert_mono_8bit(img, page, first_gl_ch, base_size, 0);
+ _convert_mono_8bit(img, page, first_ol_ch, base_size, 1);
+ } else if ((first_cm_ch >= 0) && (outline > 0)) { // 1 x 4 bit monochrome, gl + outline
+ ERR_FAIL_COND_V_MSG(img->get_format() != Image::FORMAT_RGBA8 && img->get_format() != Image::FORMAT_L8, ERR_FILE_CANT_READ, TTR("Unsupported BMFont texture format."));
+ _convert_mono_4bit(img, page, first_cm_ch, base_size, 1);
+ } else if (first_gl_ch >= 0) { // 1 x 8 bit monochrome, no outline
+ outline = 0;
+ ERR_FAIL_COND_V_MSG(img->get_format() != Image::FORMAT_RGBA8 && img->get_format() != Image::FORMAT_L8, ERR_FILE_CANT_READ, TTR("Unsupported BMFont texture format."));
+ _convert_mono_8bit(img, page, first_gl_ch, base_size, 0);
+ } else {
+ ERR_FAIL_V_MSG(ERR_CANT_CREATE, TTR("Unsupported BMFont texture format."));
+ }
+ }
+ }
+ }
+ } else if (type == "char") {
+ char32_t idx = 0;
+ Vector2 advance;
+ Vector2 size;
+ Vector2 offset;
+ Rect2 uv_rect;
+ int texture_idx = -1;
+ uint8_t channel = 15;
+
+ if (keys.has("id")) {
+ idx = keys["id"].to_int();
+ }
+ if (keys.has("x")) {
+ uv_rect.position.x = keys["x"].to_int();
+ }
+ if (keys.has("y")) {
+ uv_rect.position.y = keys["y"].to_int();
+ }
+ if (keys.has("width")) {
+ uv_rect.size.width = keys["width"].to_int();
+ size.width = keys["width"].to_int();
+ }
+ if (keys.has("height")) {
+ uv_rect.size.height = keys["height"].to_int();
+ size.height = keys["height"].to_int();
+ }
+ if (keys.has("xoffset")) {
+ offset.x = keys["xoffset"].to_int();
+ }
+ if (keys.has("yoffset")) {
+ offset.y = keys["yoffset"].to_int() - ascent;
+ }
+ if (keys.has("page")) {
+ texture_idx = keys["page"].to_int();
+ }
+ if (keys.has("xadvance")) {
+ advance.x = keys["xadvance"].to_int();
+ }
+ if (advance.x < 0) {
+ advance.x = size.width + 1;
+ }
+ if (keys.has("chnl")) {
+ channel = keys["chnl"].to_int();
+ }
+
+ ERR_FAIL_COND_V_MSG(!packed && channel != 15, ERR_CANT_CREATE, TTR("Invalid glyph channel."));
+ int ch_off = 0;
+ switch (channel) {
+ case 1:
+ ch_off = 2;
+ break; // B
+ case 2:
+ ch_off = 1;
+ break; // G
+ case 4:
+ ch_off = 0;
+ break; // R
+ case 8:
+ ch_off = 3;
+ break; // A
+ default:
+ ch_off = 0;
+ break;
+ }
+ set_glyph_advance(0, base_size, idx, advance);
+ set_glyph_offset(0, Vector2i(base_size, 0), idx, offset);
+ set_glyph_size(0, Vector2i(base_size, 0), idx, size);
+ set_glyph_uv_rect(0, Vector2i(base_size, 0), idx, uv_rect);
+ set_glyph_texture_idx(0, Vector2i(base_size, 0), idx, texture_idx * (packed ? 4 : 1) + ch_off);
+ if (outline > 0) {
+ set_glyph_offset(0, Vector2i(base_size, 1), idx, offset);
+ set_glyph_size(0, Vector2i(base_size, 1), idx, size);
+ set_glyph_uv_rect(0, Vector2i(base_size, 1), idx, uv_rect);
+ set_glyph_texture_idx(0, Vector2i(base_size, 1), idx, texture_idx * (packed ? 4 : 1) + ch_off);
+ }
+ } else if (type == "kerning") {
+ Vector2i kpk;
+ if (keys.has("first")) {
+ kpk.x = keys["first"].to_int();
+ }
+ if (keys.has("second")) {
+ kpk.y = keys["second"].to_int();
+ }
+ if (keys.has("amount")) {
+ set_kerning(0, base_size, kpk, Vector2(keys["amount"].to_int(), 0));
+ }
+ }
+
+ if (f->eof_reached()) {
+ break;
+ }
+ }
+ }
+
+ set_font_name(font_name);
+ set_font_style(st_flags);
+ set_ascent(0, base_size, ascent);
+ set_descent(0, base_size, height - ascent);
+
+ return OK;
+}
+
+Error FontData::load_dynamic_font(const String &p_path) {
+ reset_state();
+
+ Vector<uint8_t> data = FileAccess::get_file_as_array(p_path);
+ set_data(data);
+
+ return OK;
+}
+
void FontData::set_data_ptr(const uint8_t *p_data, size_t p_size) {
data.clear();
data_ptr = p_data;
diff --git a/scene/resources/font.h b/scene/resources/font.h
index 1b4ecc73ce..93351a3493 100644
--- a/scene/resources/font.h
+++ b/scene/resources/font.h
@@ -63,6 +63,12 @@ class FontData : public Resource {
_FORCE_INLINE_ void _clear_cache();
_FORCE_INLINE_ void _ensure_rid(int p_cache_index) const;
+ void _convert_packed_8bit(Ref<Image> &p_source, int p_page, int p_sz);
+ void _convert_packed_4bit(Ref<Image> &p_source, int p_page, int p_sz);
+ void _convert_rgba_4bit(Ref<Image> &p_source, int p_page, int p_sz);
+ void _convert_mono_8bit(Ref<Image> &p_source, int p_page, int p_ch, int p_sz, int p_ol);
+ void _convert_mono_4bit(Ref<Image> &p_source, int p_page, int p_ch, int p_sz, int p_ol);
+
protected:
static void _bind_methods();
@@ -73,6 +79,9 @@ protected:
virtual void reset_state() override;
public:
+ Error load_bitmap_font(const String &p_path);
+ Error load_dynamic_font(const String &p_path);
+
// Font source data.
virtual void set_data_ptr(const uint8_t *p_data, size_t p_size);
virtual void set_data(const PackedByteArray &p_data);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 12:04:33 +0000