AuroraMiddleware/skia2
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use macro to encapsulate building get_mtname() specializations

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BUG=

Review URL: https://codereview.chromium.org/15773002

git-svn-id: http://skia.googlecode.com/svn/trunk@9248 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
reed@google.com 2013-05-22 20:53:42 +00:00
parent 3597b73bc6
commit fd3458750d
2 changed files with 43 additions and 9 deletions
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29
samplecode/SampleLua.cpp
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@ -19,6 +19,8 @@ extern "C" {
static const char gDrawName[] = "onDrawContent";
static const char gCode[] = ""
"require \"math\" "
""
"local r = { left = 10, top = 10, right = 100, bottom = 80 } "
"local x = 0;"
""
@ -27,7 +29,30 @@ static const char gCode[] = ""
""
"local color = {a = 1, r = 1, g = 0, b = 0};"
""
"function rnd(range) "
" return math.random() * range;"
"end "
""
"rndX = function () return rnd(640) end "
"rndY = function () return rnd(480) end "
""
"function draw_rand_path(canvas);"
" if not path_paint then "
" path_paint = Sk.newPaint();"
" path_paint:setAntiAlias(true);"
" end "
" path_paint:setColor({a = 1, r = math.random(), g = math.random(), b = math.random() });"
""
" local path = Sk.newPath();"
" path:moveTo(rndX(), rndY());"
" for i = 0, 50 do "
" path:quadTo(rndX(), rndY(), rndX(), rndY());"
" end "
" canvas:drawPath(path, path_paint);"
"end "
""
"function onDrawContent(canvas) "
" draw_rand_path(canvas);"
" color.g = x / 100;"
" paint:setColor(color) "
" canvas:translate(x, 0);"
@ -60,10 +85,6 @@ protected:
}
SkUnichar uni;
if (SampleCode::CharQ(*evt, &uni)) {
switch (uni) {
default:
break;
}
}
return this->INHERITED::onQuery(evt);
}

23
src/utils/SkLua.cpp
View File

@ -19,12 +19,18 @@ extern "C" {
#include "lauxlib.h"
}
// return the metatable name for a given class
template <typename T> const char* get_mtname();
template <> const char* get_mtname<SkCanvas>() { return "SkCanvas_LuaMetaTableName"; }
template <> const char* get_mtname<SkMatrix>() { return "SkMatrix_LuaMetaTableName"; }
template <> const char* get_mtname<SkRRect>() { return "SkSkRRect_LuaMetaTableName"; }
template <> const char* get_mtname<SkPath>() { return "SkPath_LuaMetaTableName"; }
template <> const char* get_mtname<SkPaint>() { return "SkPaint_LuaMetaTableName"; }
#define DEF_MTNAME(T) \
template <> const char* get_mtname<T>() { \
return #T "_LuaMetaTableName"; \
}
DEF_MTNAME(SkCanvas)
DEF_MTNAME(SkMatrix)
DEF_MTNAME(SkRRect)
DEF_MTNAME(SkPath)
DEF_MTNAME(SkPaint)
template <typename T> T* push_new(lua_State* L) {
T* addr = (T*)lua_newuserdata(L, sizeof(T));
@ -247,6 +253,12 @@ static int lcanvas_drawCircle(lua_State* L) {
return 0;
}
static int lcanvas_drawPath(lua_State* L) {
get_ref<SkCanvas>(L, 1)->drawPath(*get_obj<SkPath>(L, 2),
*get_obj<SkPaint>(L, 3));
return 0;
}
static int lcanvas_getSaveCount(lua_State* L) {
lua_pushnumber(L, get_ref<SkCanvas>(L, 1)->getSaveCount());
return 1;
@ -272,6 +284,7 @@ static const struct luaL_Reg gSkCanvas_Methods[] = {
{ "drawRect", lcanvas_drawRect },
{ "drawOval", lcanvas_drawOval },
{ "drawCircle", lcanvas_drawCircle },
{ "drawPath", lcanvas_drawPath },
{ "getSaveCount", lcanvas_getSaveCount },
{ "getTotalMatrix", lcanvas_getTotalMatrix },
{ "translate", lcanvas_translate },