mirror of https://github.com/koreader/koreader
use koptcontext to keep dozons of parameters for k2pdfopt
chrox
12 years ago
parent
3a7535d350
commit
f70ef06ea6
@ -0,0 +1,234 @@
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/*
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KindlePDFViewer: a KOPTContext abstraction
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Copyright (C) 2012 Huang Xin <chrox.huang@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "koptcontext.h"
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static int newKOPTContext(lua_State *L) {
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int trim = luaL_optint(L, 1, 1);
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int wrap = luaL_optint(L, 2, 1);
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int indent = luaL_optint(L, 3, 1);
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int rotate = luaL_optint(L, 4, 0);
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int columns = luaL_optint(L, 5, 2);
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int offset_x = luaL_optint(L, 6, 0);
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int offset_y = luaL_optint(L, 7, 0);
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int dev_width = luaL_optint(L, 8, 600);
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int dev_height = luaL_optint(L, 9, 800);
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int page_width = luaL_optint(L, 10, 600);
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int page_height = luaL_optint(L, 11, 800);
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int straighten = luaL_optint(L, 12, 0);
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int justification = luaL_optint(L, 13, -1);
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double zoom = luaL_optnumber(L, 14, (double) 1.0);
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double margin = luaL_optnumber(L, 15, (double) 0.06);
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double quality = luaL_optnumber(L, 16, (double) 1.0);
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double contrast = luaL_optnumber(L, 17, (double) 1.0);
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double defect_size = luaL_optnumber(L, 18, (double) 1.0);
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double line_spacing = luaL_optnumber(L, 19, (double) 1.2);
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double word_spacing = luaL_optnumber(L, 20, (double) 1.375);
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uint8_t *data = NULL;
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KOPTContext *kc = (KOPTContext*) lua_newuserdata(L, sizeof(KOPTContext));
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kc->trim = trim;
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kc->wrap = wrap;
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kc->indent = indent;
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kc->rotate = rotate;
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kc->columns = columns;
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kc->offset_x = offset_x;
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kc->offset_y = offset_y;
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kc->dev_width = dev_width;
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kc->dev_height = dev_height;
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kc->page_width = page_width;
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kc->page_height = page_height;
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kc->straighten = straighten;
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kc->justification = justification;
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kc->zoom = zoom;
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kc->margin = margin;
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kc->quality = quality;
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kc->contrast = contrast;
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kc->defect_size = defect_size;
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kc->line_spacing = line_spacing;
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kc->word_spacing = word_spacing;
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kc->data = data;
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luaL_getmetatable(L, "koptcontext");
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lua_setmetatable(L, -2);
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return 1;
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}
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static int kcSetTrim(lua_State *L) {
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KOPTContext *kc = (KOPTContext*) luaL_checkudata(L, 1, "koptcontext");
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kc->trim = luaL_checkint(L, 2);
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return 0;
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}
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static int kcSetWrap(lua_State *L) {
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KOPTContext *kc = (KOPTContext*) luaL_checkudata(L, 1, "koptcontext");
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kc->wrap = luaL_checkint(L, 2);
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return 0;
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}
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static int kcSetIndent(lua_State *L) {
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KOPTContext *kc = (KOPTContext*) luaL_checkudata(L, 1, "koptcontext");
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kc->indent = luaL_checkint(L, 2);
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return 0;
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}
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static int kcSetRotate(lua_State *L) {
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KOPTContext *kc = (KOPTContext*) luaL_checkudata(L, 1, "koptcontext");
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kc->rotate = luaL_checkint(L, 2);
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return 0;
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}
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static int kcSetColumns(lua_State *L) {
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KOPTContext *kc = (KOPTContext*) luaL_checkudata(L, 1, "koptcontext");
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kc->columns = luaL_checkint(L, 2);
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return 0;
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}
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static int kcSetOffset(lua_State *L) {
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KOPTContext *kc = (KOPTContext*) luaL_checkudata(L, 1, "koptcontext");
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kc->offset_x = luaL_checkint(L, 2);
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kc->offset_y = luaL_checkint(L, 3);
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return 0;
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}
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static int kcGetOffset(lua_State *L) {
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KOPTContext *kc = (KOPTContext*) luaL_checkudata(L, 1, "koptcontext");
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lua_pushinteger(L, kc->offset_x);
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lua_pushinteger(L, kc->offset_y);
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return 2;
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}
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static int kcSetDeviceDim(lua_State *L) {
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KOPTContext *kc = (KOPTContext*) luaL_checkudata(L, 1, "koptcontext");
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kc->dev_width = luaL_checkint(L, 2);
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kc->dev_height = luaL_checkint(L, 3);
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return 0;
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}
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static int kcGetPageDim(lua_State *L) {
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KOPTContext *kc = (KOPTContext*) luaL_checkudata(L, 1, "koptcontext");
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lua_pushinteger(L, kc->page_width);
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lua_pushinteger(L, kc->page_height);
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return 2;
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}
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static int kcSetStraighten(lua_State *L) {
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KOPTContext *kc = (KOPTContext*) luaL_checkudata(L, 1, "koptcontext");
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kc->straighten = luaL_checkint(L, 2);
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return 0;
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}
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static int kcSetJustification(lua_State *L) {
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KOPTContext *kc = (KOPTContext*) luaL_checkudata(L, 1, "koptcontext");
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kc->justification = luaL_checkint(L, 2);
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return 0;
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}
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static int kcSetZoom(lua_State *L) {
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KOPTContext *kc = (KOPTContext*) luaL_checkudata(L, 1, "koptcontext");
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kc->zoom = luaL_checknumber(L, 2);
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return 0;
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}
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static int kcGetZoom(lua_State *L) {
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KOPTContext *kc = (KOPTContext*) luaL_checkudata(L, 1, "koptcontext");
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lua_pushnumber(L, kc->zoom);
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return 1;
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}
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static int kcSetMargin(lua_State *L) {
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KOPTContext *kc = (KOPTContext*) luaL_checkudata(L, 1, "koptcontext");
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kc->margin = luaL_checknumber(L, 2);
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return 0;
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}
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static int kcSetQuality(lua_State *L) {
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KOPTContext *kc = (KOPTContext*) luaL_checkudata(L, 1, "koptcontext");
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kc->quality = luaL_checknumber(L, 2);
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return 0;
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}
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static int kcSetContrast(lua_State *L) {
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KOPTContext *kc = (KOPTContext*) luaL_checkudata(L, 1, "koptcontext");
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kc->contrast = luaL_checknumber(L, 2);
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return 0;
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}
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static int kcSetDefectSize(lua_State *L) {
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KOPTContext *kc = (KOPTContext*) luaL_checkudata(L, 1, "koptcontext");
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kc->defect_size = luaL_checknumber(L, 2);
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return 0;
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}
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static int kcSetLineSpacing(lua_State *L) {
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KOPTContext *kc = (KOPTContext*) luaL_checkudata(L, 1, "koptcontext");
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kc->line_spacing = luaL_checknumber(L, 2);
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return 0;
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}
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static int kcSetWordSpacing(lua_State *L) {
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KOPTContext *kc = (KOPTContext*) luaL_checkudata(L, 1, "koptcontext");
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kc->word_spacing = luaL_checknumber(L, 2);
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return 0;
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}
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static const struct luaL_Reg koptcontext_meth[] = {
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{"setTrim", kcSetTrim},
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{"setWrap", kcSetWrap},
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{"setIndent", kcSetIndent},
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{"setRotate", kcSetRotate},
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{"setColumns", kcSetColumns},
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{"setOffset", kcSetOffset},
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{"getOffset", kcGetOffset},
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{"setDeviceDim", kcSetDeviceDim},
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{"getPageDim", kcGetPageDim},
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{"setStraighten", kcSetStraighten},
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{"setJustification", kcSetJustification},
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{"setZoom", kcSetZoom},
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{"getZoom", kcGetZoom},
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{"setMargin", kcSetMargin},
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{"setQuality", kcSetQuality},
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{"setContrast", kcSetContrast},
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{"setDefectSize", kcSetDefectSize},
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{"setLineSpacing", kcSetLineSpacing},
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{"setWordSpacing", kcSetWordSpacing},
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{NULL, NULL}
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};
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static const struct luaL_Reg koptcontext_func[] = {
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{"new", newKOPTContext},
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{NULL, NULL}
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};
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int luaopen_koptcontext(lua_State *L) {
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luaL_newmetatable(L, "koptcontext");
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lua_pushstring(L, "__index");
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lua_pushvalue(L, -2);
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lua_settable(L, -3);
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luaL_register(L, NULL, koptcontext_meth);
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lua_pop(L, 1);
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luaL_register(L, "KOPTContext", koptcontext_func);
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return 1;
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}
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@ -0,0 +1,53 @@
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/*
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KindlePDFViewer: a KOPTContext abstraction
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Copyright (C) 2012 Huang Xin <chrox.huang@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _KOPTCONTEXT_H
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#define _KOPTCONTEXT_H
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#include <lua.h>
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#include <lualib.h>
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#include <lauxlib.h>
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typedef unsigned char uint8_t;
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typedef struct KOPTContext {
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int trim;
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int wrap;
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int indent;
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int rotate;
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int columns;
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int offset_x;
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int offset_y;
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int dev_width;
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int dev_height;
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int page_width;
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int page_height;
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int straighten;
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int justification;
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double zoom;
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double margin;
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double quality;
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double contrast;
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double defect_size;
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double line_spacing;
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double word_spacing;
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uint8_t *data;
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} KOPTContext;
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int luaopen_koptcontext(lua_State *L);
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#endif
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