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Removed font renderer.

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This commit is contained in:
Adam Harrison
2021-09-24 11:22:39 -04:00
parent 8c32950f4b
commit e25f2e9c5c
24 changed files with 420 additions and 3127 deletions
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src/api/api.c
+1 -3
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@@ -6,7 +6,6 @@ int luaopen_renderer(lua_State *L);
int luaopen_regex(lua_State *L);
int luaopen_process(lua_State *L);
static const luaL_Reg libs[] = {
{ "system", luaopen_system },
{ "renderer", luaopen_renderer },
@@ -16,7 +15,6 @@ static const luaL_Reg libs[] = {
};
void api_load_libs(lua_State *L) {
for (int i = 0; libs[i].name; i++) {
for (int i = 0; libs[i].name; i++)
luaL_requiref(L, libs[i].name, libs[i].func, 1);
}
}
src/api/api.h
+5 -4
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@@ -1,14 +1,15 @@
#ifndef API_H
#define API_H
#include "lua.h"
#include "lauxlib.h"
#include "lualib.h"
#include <lua.h>
#include <lauxlib.h>
#include <lualib.h>
#define API_TYPE_FONT "Font"
#define API_TYPE_REPLACE "Replace"
#define API_TYPE_PROCESS "Process"
#define API_CONSTANT_DEFINE(L, idx, key, n) (lua_pushnumber(L, n), lua_setfield(L, idx - 1, key))
void api_load_libs(lua_State *L);
#endif
src/api/cp_replace.c
-42
View File
@@ -1,42 +0,0 @@
#include "api.h"
#include "renderer.h"
static int f_new(lua_State *L) {
CPReplaceTable *rep_table = lua_newuserdata(L, sizeof(CPReplaceTable));
luaL_setmetatable(L, API_TYPE_REPLACE);
ren_cp_replace_init(rep_table);
return 1;
}
static int f_gc(lua_State *L) {
CPReplaceTable *rep_table = luaL_checkudata(L, 1, API_TYPE_REPLACE);
ren_cp_replace_free(rep_table);
return 0;
}
static int f_add(lua_State *L) {
CPReplaceTable *rep_table = luaL_checkudata(L, 1, API_TYPE_REPLACE);
const char *src = luaL_checkstring(L, 2);
const char *dst = luaL_checkstring(L, 3);
ren_cp_replace_add(rep_table, src, dst);
return 0;
}
static const luaL_Reg lib[] = {
{ "__gc", f_gc },
{ "new", f_new },
{ "add", f_add },
{ NULL, NULL }
};
int luaopen_renderer_replacements(lua_State *L) {
luaL_newmetatable(L, API_TYPE_REPLACE);
luaL_setfuncs(L, lib, 0);
lua_pushvalue(L, -1);
lua_setfield(L, -2, "__index");
return 1;
}
src/api/regex.c
+6 -12
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@@ -101,17 +101,11 @@ int luaopen_regex(lua_State *L) {
lua_setfield(L, -2, "__name");
lua_pushvalue(L, -1);
lua_setfield(L, LUA_REGISTRYINDEX, "regex");
lua_pushnumber(L, PCRE2_ANCHORED);
lua_setfield(L, -2, "ANCHORED");
lua_pushnumber(L, PCRE2_ANCHORED) ;
lua_setfield(L, -2, "ENDANCHORED");
lua_pushnumber(L, PCRE2_NOTBOL);
lua_setfield(L, -2, "NOTBOL");
lua_pushnumber(L, PCRE2_NOTEOL);
lua_setfield(L, -2, "NOTEOL");
lua_pushnumber(L, PCRE2_NOTEMPTY);
lua_setfield(L, -2, "NOTEMPTY");
lua_pushnumber(L, PCRE2_NOTEMPTY_ATSTART);
lua_setfield(L, -2, "NOTEMPTY_ATSTART");
API_CONSTANT_DEFINE(L, -1, "ANCHORED", PCRE2_ANCHORED);
API_CONSTANT_DEFINE(L, -1, "ENDANCHORED", PCRE2_ENDANCHORED);
API_CONSTANT_DEFINE(L, -1, "NOTBOL", PCRE2_NOTBOL);
API_CONSTANT_DEFINE(L, -1, "NOTEOL", PCRE2_NOTEOL);
API_CONSTANT_DEFINE(L, -1, "NOTEMPTY", PCRE2_NOTEMPTY);
API_CONSTANT_DEFINE(L, -1, "NOTEMPTY_ATSTART", PCRE2_NOTEMPTY_ATSTART);
return 1;
}
src/api/renderer.c
+103 -33
View File
@@ -2,6 +2,92 @@
#include "renderer.h"
#include "rencache.h"
static int f_font_load(lua_State *L) {
const char *filename = luaL_checkstring(L, 1);
float size = luaL_checknumber(L, 2);
unsigned int font_hinting = FONT_HINTING_SLIGHT;
bool subpixel = true;
if (lua_gettop(L) > 2 && lua_istable(L, 3)) {
lua_getfield(L, 3, "antialiasing");
if (lua_isstring(L, -1)) {
const char *antialiasing = lua_tostring(L, -1);
if (antialiasing) {
if (strcmp(antialiasing, "grayscale") == 0) {
subpixel = false;
} else if (strcmp(antialiasing, "subpixel") == 0) {
subpixel = true;
} else {
return luaL_error(L, "error in renderer.font.load, unknown antialiasing option: \"%s\"", antialiasing);
}
}
}
lua_pop(L, 1);
lua_getfield(L, 3, "hinting");
if (lua_isstring(L, -1)) {
const char *hinting = lua_tostring(L, -1);
if (hinting) {
if (strcmp(hinting, "slight") == 0) {
font_hinting = FONT_HINTING_SLIGHT;
} else if (strcmp(hinting, "none") == 0) {
font_hinting = FONT_HINTING_NONE;
} else if (strcmp(hinting, "full") == 0) {
font_hinting = FONT_HINTING_FULL;
} else {
return luaL_error(L, "error in renderer.font.load, unknown hinting option: \"%s\"", hinting);
}
}
}
lua_pop(L, 1);
}
RenFont** font = lua_newuserdata(L, sizeof(RenFont*));
*font = ren_font_load(filename, size, subpixel, font_hinting);
if (!*font)
return luaL_error(L, "failed to load font");
luaL_setmetatable(L, API_TYPE_FONT);
return 1;
}
static int f_font_copy(lua_State *L) {
RenFont** self = luaL_checkudata(L, 1, API_TYPE_FONT);
float size = lua_gettop(L) >= 2 ? luaL_checknumber(L, 2) : ren_font_get_height(*self);
RenFont** font = lua_newuserdata(L, sizeof(RenFont*));
*font = ren_font_copy(*self, size);
if (!*font)
return luaL_error(L, "failed to copy font");
luaL_setmetatable(L, API_TYPE_FONT);
return 1;
}
static int f_font_set_tab_size(lua_State *L) {
RenFont** self = luaL_checkudata(L, 1, API_TYPE_FONT);
int n = luaL_checknumber(L, 2);
ren_font_set_tab_size(*self, n);
return 0;
}
static int f_font_gc(lua_State *L) {
RenFont** self = luaL_checkudata(L, 1, API_TYPE_FONT);
ren_font_free(*self);
return 0;
}
static int f_font_get_width(lua_State *L) {
RenFont** self = luaL_checkudata(L, 1, API_TYPE_FONT);
lua_pushnumber(L, ren_font_get_width(*self, luaL_checkstring(L, 2)));
return 1;
}
static int f_font_get_height(lua_State *L) {
RenFont** self = luaL_checkudata(L, 1, API_TYPE_FONT);
lua_pushnumber(L, ren_font_get_height(*self));
return 1;
}
static int f_font_get_size(lua_State *L) {
RenFont** self = luaL_checkudata(L, 1, API_TYPE_FONT);
lua_pushnumber(L, ren_font_get_size(*self));
return 1;
}
static RenColor checkcolor(lua_State *L, int idx, int def) {
RenColor color;
@@ -71,40 +157,17 @@ static int f_draw_rect(lua_State *L) {
return 0;
}
static int draw_text_subpixel_impl(lua_State *L, bool draw_subpixel) {
FontDesc *font_desc = luaL_checkudata(L, 1, API_TYPE_FONT);
static int f_draw_text(lua_State *L) {
RenFont** font = luaL_checkudata(L, 1, API_TYPE_FONT);
const char *text = luaL_checkstring(L, 2);
/* The coordinate below will be in subpixel iff draw_subpixel is true.
Otherwise it will be in pixels. */
int x_subpixel = luaL_checknumber(L, 3);
int y = luaL_checknumber(L, 4);
RenColor color = checkcolor(L, 5, 255);
CPReplaceTable *rep_table;
RenColor replace_color;
if (lua_gettop(L) >= 7) {
rep_table = luaL_checkudata(L, 6, API_TYPE_REPLACE);
replace_color = checkcolor(L, 7, 255);
} else {
rep_table = NULL;
replace_color = (RenColor) {0};
}
x_subpixel = rencache_draw_text(L, font_desc, 1, text, x_subpixel, y, color, draw_subpixel, rep_table, replace_color);
x_subpixel = rencache_draw_text(L, *font, text, x_subpixel, y, color);
lua_pushnumber(L, x_subpixel);
return 1;
}
static int f_draw_text(lua_State *L) {
return draw_text_subpixel_impl(L, false);
}
static int f_draw_text_subpixel(lua_State *L) {
return draw_text_subpixel_impl(L, true);
}
static const luaL_Reg lib[] = {
{ "show_debug", f_show_debug },
{ "get_size", f_get_size },
@@ -113,19 +176,26 @@ static const luaL_Reg lib[] = {
{ "set_clip_rect", f_set_clip_rect },
{ "draw_rect", f_draw_rect },
{ "draw_text", f_draw_text },
{ "draw_text_subpixel", f_draw_text_subpixel },
{ NULL, NULL }
};
int luaopen_renderer_font(lua_State *L);
int luaopen_renderer_replacements(lua_State *L);
static const luaL_Reg fontLib[] = {
{ "__gc", f_font_gc },
{ "load", f_font_load },
{ "copy", f_font_copy },
{ "set_tab_size", f_font_set_tab_size },
{ "get_width", f_font_get_width },
{ "get_height", f_font_get_height },
{ "get_size", f_font_get_size },
{ NULL, NULL }
};
int luaopen_renderer(lua_State *L) {
luaL_newlib(L, lib);
luaopen_renderer_font(L);
luaL_newmetatable(L, API_TYPE_FONT);
luaL_setfuncs(L, fontLib, 0);
lua_pushvalue(L, -1);
lua_setfield(L, -2, "__index");
lua_setfield(L, -2, "font");
luaopen_renderer_replacements(L);
lua_setfield(L, -2, "replacements");
return 1;
}
src/api/renderer_font.c
-158
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@@ -1,158 +0,0 @@
#include <lua.h>
#include <lauxlib.h>
#include "api.h"
#include "fontdesc.h"
#include "renderer.h"
#include "rencache.h"
static int f_load(lua_State *L) {
const char *filename = luaL_checkstring(L, 1);
float size = luaL_checknumber(L, 2);
unsigned int font_options = 0;
if (lua_gettop(L) > 2 && lua_istable(L, 3)) {
lua_getfield(L, 3, "antialiasing");
if (lua_isstring(L, -1)) {
const char *antialiasing = lua_tostring(L, -1);
if (antialiasing) {
if (strcmp(antialiasing, "grayscale") == 0) {
font_options |= RenFontGrayscale;
} else if (strcmp(antialiasing, "subpixel") == 0) {
font_options |= RenFontSubpixel;
} else {
return luaL_error(L, "error in renderer.font.load, unknown antialiasing option: \"%s\"", antialiasing);
}
}
}
lua_pop(L, 1);
lua_getfield(L, 3, "hinting");
if (lua_isstring(L, -1)) {
const char *hinting = lua_tostring(L, -1);
if (hinting) {
if (strcmp(hinting, "slight") == 0) {
font_options |= RenFontHintingSlight;
} else if (strcmp(hinting, "none") == 0) {
font_options |= RenFontHintingNone;
} else if (strcmp(hinting, "full") == 0) {
font_options |= RenFontHintingFull;
} else {
return luaL_error(L, "error in renderer.font.load, unknown hinting option: \"%s\"", hinting);
}
}
}
lua_pop(L, 1);
}
if (ren_verify_font(filename)) {
luaL_error(L, "failed to load font");
}
FontDesc *font_desc = lua_newuserdata(L, font_desc_alloc_size(filename));
font_desc_init(font_desc, filename, size, font_options);
luaL_setmetatable(L, API_TYPE_FONT);
return 1;
}
static int f_copy(lua_State *L) {
FontDesc *self = luaL_checkudata(L, 1, API_TYPE_FONT);
float size;
if (lua_gettop(L) >= 2) {
size = luaL_checknumber(L, 2);
} else {
size = self->size;
}
FontDesc *new_font_desc = lua_newuserdata(L, font_desc_alloc_size(self->filename));
font_desc_init(new_font_desc, self->filename, size, self->options);
luaL_setmetatable(L, API_TYPE_FONT);
return 1;
}
static int f_set_tab_size(lua_State *L) {
FontDesc *self = luaL_checkudata(L, 1, API_TYPE_FONT);
int n = luaL_checknumber(L, 2);
font_desc_set_tab_size(self, n);
return 0;
}
static int f_gc(lua_State *L) {
FontDesc *self = luaL_checkudata(L, 1, API_TYPE_FONT);
font_desc_clear(self);
return 0;
}
static int f_get_width(lua_State *L) {
FontDesc *self = luaL_checkudata(L, 1, API_TYPE_FONT);
const char *text = luaL_checkstring(L, 2);
/* By calling ren_get_font_width with NULL as third arguments
we will obtain the width in points. */
int w = ren_get_font_width(self, text, NULL);
lua_pushnumber(L, w);
return 1;
}
static int f_subpixel_scale(lua_State *L) {
FontDesc *self = luaL_checkudata(L, 1, API_TYPE_FONT);
lua_pushnumber(L, ren_get_font_subpixel_scale(self));
return 1;
}
static int f_get_width_subpixel(lua_State *L) {
FontDesc *self = luaL_checkudata(L, 1, API_TYPE_FONT);
const char *text = luaL_checkstring(L, 2);
int subpixel_scale;
/* We need to pass a non-null subpixel_scale pointer to force
subpixel width calculation. */
lua_pushnumber(L, ren_get_font_width(self, text, &subpixel_scale));
return 1;
}
static int f_get_height(lua_State *L) {
FontDesc *self = luaL_checkudata(L, 1, API_TYPE_FONT);
lua_pushnumber(L, ren_get_font_height(self) );
return 1;
}
static int f_get_size(lua_State *L) {
FontDesc *self = luaL_checkudata(L, 1, API_TYPE_FONT);
lua_pushnumber(L, self->size);
return 1;
}
static int f_set_size(lua_State *L) {
FontDesc *self = luaL_checkudata(L, 1, API_TYPE_FONT);
float new_size = luaL_checknumber(L, 2);
font_desc_clear(self);
self->size = new_size;
return 0;
}
static const luaL_Reg lib[] = {
{ "__gc", f_gc },
{ "load", f_load },
{ "copy", f_copy },
{ "set_tab_size", f_set_tab_size },
{ "get_width", f_get_width },
{ "get_width_subpixel", f_get_width_subpixel },
{ "get_height", f_get_height },
{ "subpixel_scale", f_subpixel_scale },
{ "get_size", f_get_size },
{ "set_size", f_set_size },
{ NULL, NULL }
};
int luaopen_renderer_font(lua_State *L) {
luaL_newmetatable(L, API_TYPE_FONT);
luaL_setfuncs(L, lib, 0);
lua_pushvalue(L, -1);
lua_setfield(L, -2, "__index");
return 1;
}