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[lua] Change GraphicsContext.opacity to an integer value from 0..255

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To match the opacity of Layer and Cel.
This commit is contained in:
David Capello 2023-03-20 15:51:30 -03:00
parent de307ba6b0
commit f6df07ada6
2 changed files with 9 additions and 7 deletions
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8
src/app/script/graphics_context.cpp
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@ -22,6 +22,8 @@
#include "os/surface.h"
#include "os/system.h"
#include <algorithm>
#ifdef ENABLE_UI
namespace app {
@ -416,15 +418,15 @@ int GraphicsContext_set_blendMode(lua_State* L)
int GraphicsContext_get_opacity(lua_State* L)
{
auto gc = get_obj<GraphicsContext>(L, 1);
lua_pushnumber(L, gc->opacity());
lua_pushinteger(L, gc->opacity());
return 1;
}
int GraphicsContext_set_opacity(lua_State* L)
{
auto gc = get_obj<GraphicsContext>(L, 1);
const float opacity = lua_tonumber(L, 2);
gc->opacity(opacity);
const int opacity = lua_tointeger(L, 2);
gc->opacity(std::clamp(opacity, 0, 255));
return 0;
}

8
src/app/script/graphics_context.h
View File

@ -63,11 +63,11 @@ public:
void strokeWidth(float value) { m_paint.strokeWidth(value); }
#if LAF_SKIA
float opacity() const { return m_paint.skPaint().getAlphaf(); }
void opacity(float value) { m_paint.skPaint().setAlphaf(value); }
int opacity() const { return m_paint.skPaint().getAlpha(); }
void opacity(int value) { m_paint.skPaint().setAlpha(value); }
#else
float opacity() const { return 1.0f; }
void opacity(float) { }
int opacity() const { return 255; }
void opacity(int) { }
#endif
os::BlendMode blendMode() const { return m_paint.blendMode(); }