move test for lua into separate resource file
BUG=skia: TBR= Review URL: https://codereview.chromium.org/645283002
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resources/test.lua
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74
resources/test.lua
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@ -0,0 +1,74 @@
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local r = { left = 10, top = 10, right = 100, bottom = 80 }
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local x = 0;
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local paint = Sk.newPaint();
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paint:setAntiAlias(true);
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local image -- = Sk.loadImage('/skia/sailboat.jpg');
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function setImageFilename(filename)
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image = Sk.loadImage(filename)
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end
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local color = {a = 1, r = 1, g = 0, b = 0};
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function rnd(range)
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return math.random() * range;
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end
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rndX = function () return rnd(640) end
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rndY = function () return rnd(480) end
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function draw_rand_path(canvas);
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if not path_paint then
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path_paint = Sk.newPaint();
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path_paint:setAntiAlias(true);
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end
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path_paint:setColor({a = 1, r = math.random(), g = math.random(), b = math.random() });
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local path = Sk.newPath();
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path:moveTo(rndX(), rndY());
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for i = 0, 50 do
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path:quadTo(rndX(), rndY(), rndX(), rndY());
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end
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canvas:drawPath(path, path_paint);
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paint:setColor{a=1,r=0,g=0,b=1};
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local align = { 'left', 'center', 'right' };
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paint:setTextSize(30);
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for k, v in next, align do
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paint:setTextAlign(v);
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canvas:drawText('Hamburgefons', 320, 200 + 30*k, paint);
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end
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end
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function onStartup()
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local paint = Sk.newPaint();
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paint:setColor{a=1, r=1, g=0, b=0};
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if false then
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local doc = Sk.newDocumentPDF('/skia/trunk/test.pdf');
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local canvas = doc:beginPage(72*8.5, 72*11);
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canvas:drawText('Hello Lua', 300, 300, paint);
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doc:close();
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doc = nil;
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end
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end
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function onDrawContent(canvas)
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draw_rand_path(canvas);
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color.g = x / 100;
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paint:setColor(color)
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canvas:translate(x, 0);
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canvas:drawOval(r, paint)
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x = x + 1;
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local r2 = {}
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r2.left = x;
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r2.top = r.bottom + 50;
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r2.right = r2.left + image:width() * 1;
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r2.bottom = r2.top + image:height() * 1;
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canvas:drawImageRect(image, nil, r2, 0.75);
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if x > 200 then x = 0 end;
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end
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onStartup()
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@ -9,6 +9,8 @@
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#include "SkView.h"
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#include "SkLua.h"
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#include "SkCanvas.h"
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#include "Resources.h"
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#include "SkData.h"
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extern "C" {
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#include "lua.h"
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@ -18,74 +20,15 @@ extern "C" {
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static const char gDrawName[] = "onDrawContent";
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static const char gCode[] = ""
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"local r = { left = 10, top = 10, right = 100, bottom = 80 } \n"
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"local x = 0;\n"
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"\n"
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"local paint = Sk.newPaint();\n"
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"paint:setAntiAlias(true);\n"
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"\n"
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"local image = Sk.loadImage('/skia/sailboat.jpg');\n"
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"\n"
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"local color = {a = 1, r = 1, g = 0, b = 0};\n"
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"\n"
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"function rnd(range) \n"
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" return math.random() * range;\n"
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"end \n"
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"\n"
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"rndX = function () return rnd(640) end \n"
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"rndY = function () return rnd(480) end \n"
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"\n"
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"function draw_rand_path(canvas);\n"
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" if not path_paint then \n"
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" path_paint = Sk.newPaint();\n"
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" path_paint:setAntiAlias(true);\n"
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" end \n"
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" path_paint:setColor({a = 1, r = math.random(), g = math.random(), b = math.random() });\n"
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"\n"
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" local path = Sk.newPath();\n"
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" path:moveTo(rndX(), rndY());\n"
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" for i = 0, 50 do \n"
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" path:quadTo(rndX(), rndY(), rndX(), rndY());\n"
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" end \n"
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" canvas:drawPath(path, path_paint);\n"
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"\n"
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" paint:setColor{a=1,r=0,g=0,b=1};\n"
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" local align = { 'left', 'center', 'right' };\n"
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" paint:setTextSize(30);\n"
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" for k, v in next, align do \n"
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" paint:setTextAlign(v);\n"
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" canvas:drawText('Hamburgefons', 320, 200 + 30*k, paint);\n"
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" end \n"
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"end \n"
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"\n"
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"function onStartup() \n"
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" local paint = Sk.newPaint();\n"
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" paint:setColor{a=1, r=1, g=0, b=0};\n"
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" local doc = Sk.newDocumentPDF('/skia/trunk/test.pdf');\n"
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" local canvas = doc:beginPage(72*8.5, 72*11);\n"
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" canvas:drawText('Hello Lua', 300, 300, paint);\n"
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" doc:close();\n"
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" doc = nil;\n"
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"end \n"
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"\n"
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"function onDrawContent(canvas) \n"
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" draw_rand_path(canvas);\n"
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" color.g = x / 100;\n"
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" paint:setColor(color) \n"
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" canvas:translate(x, 0);\n"
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" canvas:drawOval(r, paint) \n"
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" x = x + 1;\n"
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" local r2 = {}\n"
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" r2.left = x;\n"
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" r2.top = r.bottom + 50;\n"
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" r2.right = r2.left + image:width() * 0.1;\n"
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" r2.bottom = r2.top + image:height() * 0.1;\n"
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" canvas:drawImageRect(image, nil, r2, 0.75);\n"
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" if x > 100 then x = 0 end;\n"
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"end \n"
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"\n"
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"onStartup();\n";
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static const char gMissingCode[] = ""
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"local paint = Sk.newPaint()"
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"paint:setAntiAlias(true)"
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"paint:setTextSize(30)"
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""
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"function onDrawContent(canvas)"
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" canvas:drawText('missing \"test.lua\"', 20, 50, paint)"
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"end"
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;
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class LuaView : public SampleView {
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public:
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@ -95,10 +38,31 @@ public:
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SkDELETE(fLua);
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}
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void setImageFilename(lua_State* L) {
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SkString str = GetResourcePath("mandrill_256.png");
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lua_getglobal(L, "setImageFilename");
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if (lua_isfunction(L, -1)) {
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fLua->pushString(str.c_str());
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if (lua_pcall(L, 1, 0, 0) != LUA_OK) {
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SkDebugf("lua err: %s\n", lua_tostring(L, -1));
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}
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}
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}
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lua_State* ensureLua() {
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if (NULL == fLua) {
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fLua = SkNEW(SkLua);
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fLua->runCode(gCode);
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SkString str = GetResourcePath("test.lua");
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SkData* data = SkData::NewFromFileName(str.c_str());
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if (data) {
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fLua->runCode(data->data(), data->size());
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data->unref();
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this->setImageFilename(fLua->get());
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} else {
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fLua->runCode(gMissingCode);
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}
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}
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return fLua->get();
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}
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