diff options
| -rw-r--r-- | src/utils/SkLua.cpp | 87 | ||||
| -rw-r--r-- | tools/lua/gradients.lua | 44 |
2 files changed, 131 insertions, 0 deletions
diff --git a/src/utils/SkLua.cpp b/src/utils/SkLua.cpp index 944b12a3ed..0ea9c9dd5d 100644 --- a/src/utils/SkLua.cpp +++ b/src/utils/SkLua.cpp @@ -13,6 +13,7 @@ #include "SkMatrix.h" #include "SkPaint.h" #include "SkPath.h" +#include "SkPixelRef.h" #include "SkRRect.h" #include "SkString.h" #include "SkTypeface.h" @@ -37,6 +38,7 @@ DEF_MTNAME(SkMatrix) DEF_MTNAME(SkRRect) DEF_MTNAME(SkPath) DEF_MTNAME(SkPaint) +DEF_MTNAME(SkShader) DEF_MTNAME(SkTypeface) template <typename T> T* push_new(lua_State* L) { @@ -623,6 +625,16 @@ static int lpaint_getEffects(lua_State* L) { return 1; } +static int lpaint_getShader(lua_State* L) { + const SkPaint* paint = get_obj<SkPaint>(L, 1); + SkShader* shader = paint->getShader(); + if (shader) { + push_ref(L, shader); + return 1; + } + return 0; +} + static int lpaint_gc(lua_State* L) { get_obj<SkPaint>(L, 1)->~SkPaint(); return 0; @@ -647,12 +659,86 @@ static const struct luaL_Reg gSkPaint_Methods[] = { { "measureText", lpaint_measureText }, { "getFontMetrics", lpaint_getFontMetrics }, { "getEffects", lpaint_getEffects }, + { "getShader", lpaint_getShader }, { "__gc", lpaint_gc }, { NULL, NULL } }; /////////////////////////////////////////////////////////////////////////////// +static const char* mode2string(SkShader::TileMode mode) { + static const char* gNames[] = { "clamp", "repeat", "mirror" }; + SkASSERT((unsigned)mode < SK_ARRAY_COUNT(gNames)); + return gNames[mode]; +} + +static const char* gradtype2string(SkShader::GradientType t) { + static const char* gNames[] = { + "none", "color", "linear", "radial", "radial2", "sweep", "conical" + }; + SkASSERT((unsigned)t < SK_ARRAY_COUNT(gNames)); + return gNames[t]; +} + +static int lshader_isOpaque(lua_State* L) { + SkShader* shader = get_ref<SkShader>(L, 1); + return shader && shader->isOpaque(); +} + +static int lshader_asABitmap(lua_State* L) { + SkShader* shader = get_ref<SkShader>(L, 1); + if (shader) { + SkBitmap bm; + SkMatrix matrix; + SkShader::TileMode modes[2]; + switch (shader->asABitmap(&bm, &matrix, modes)) { + case SkShader::kDefault_BitmapType: + lua_newtable(L); + setfield_number(L, "genID", bm.pixelRef() ? bm.pixelRef()->getGenerationID() : 0); + setfield_number(L, "width", bm.width()); + setfield_number(L, "height", bm.height()); + setfield_string(L, "tileX", mode2string(modes[0])); + setfield_string(L, "tileY", mode2string(modes[1])); + return 1; + default: + break; + } + } + return 0; +} + +static int lshader_asAGradient(lua_State* L) { + SkShader* shader = get_ref<SkShader>(L, 1); + if (shader) { + SkShader::GradientInfo info; + sk_bzero(&info, sizeof(info)); + SkShader::GradientType t = shader->asAGradient(&info); + if (SkShader::kNone_GradientType != t) { + lua_newtable(L); + setfield_string(L, "type", gradtype2string(t)); + setfield_number(L, "colorCount", info.fColorCount); + setfield_string(L, "tile", mode2string(info.fTileMode)); + return 1; + } + } + return 0; +} + +static int lshader_gc(lua_State* L) { + get_ref<SkShader>(L, 1)->unref(); + return 0; +} + +static const struct luaL_Reg gSkShader_Methods[] = { + { "isOpaque", lshader_isOpaque }, + { "asABitmap", lshader_asABitmap }, + { "asAGradient", lshader_asAGradient }, + { "__gc", lshader_gc }, + { NULL, NULL } +}; + +/////////////////////////////////////////////////////////////////////////////// + static int lmatrix_getType(lua_State* L) { SkMatrix::TypeMask mask = get_obj<SkMatrix>(L, 1)->getType(); @@ -993,6 +1079,7 @@ void SkLua::Load(lua_State* L) { REG_CLASS(L, SkPath); REG_CLASS(L, SkPaint); REG_CLASS(L, SkRRect); + REG_CLASS(L, SkShader); REG_CLASS(L, SkTypeface); REG_CLASS(L, SkMatrix); } diff --git a/tools/lua/gradients.lua b/tools/lua/gradients.lua new file mode 100644 index 0000000000..3ae08d50db --- /dev/null +++ b/tools/lua/gradients.lua @@ -0,0 +1,44 @@ +function tostr(t) + local str = "" + for k, v in next, t do + if #str > 0 then + str = str .. ", " + end + if type(k) == "number" then + str = str .. "[" .. k .. "] = " + else + str = str .. tostring(k) .. " = " + end + if type(v) == "table" then + str = str .. "{ " .. tostr(v) .. " }" + else + str = str .. tostring(v) + end + end + return str +end + +function sk_scrape_startcanvas(c, fileName) end + +function sk_scrape_endcanvas(c, fileName) end + +function sk_scrape_accumulate(t) + local p = t.paint + if p then + local s = p:getShader() + if s then + local g = s:asAGradient() + if g then + io.write(g.type, " gradient with ", g.colorCount, " colors\n") + else + local b = s:asABitmap() + if b then + io.write("bitmap ", b.genID, " width=", b.width, " height=", b.height, "\n") + end + end + end + end +end + +function sk_scrape_summarize() end + |