Partydeck/QRCode-Extension
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Cleanup of code, and added better example gui

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This commit is contained in:
Mathias Westerdahl
2018-04-26 20:34:25 +02:00
parent c3c5167127
commit 2dd490557f
9 changed files with 1176 additions and 300 deletions
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144
qrcode/src/qrcode.cpp
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@@ -30,11 +30,6 @@ struct QRCodeContext
QRCodeContext g_QRContext;
uint8_t* g_DebugPixels = 0;
uint32_t g_DebugWidth = 0;
uint32_t g_DebugHeight = 0;
static int Scan(lua_State* L)
{
DM_LUA_STACK_CHECK(L, 1);
@@ -44,105 +39,50 @@ static int Scan(lua_State* L)
int height = luaL_checkint(L, 3);
int flip = luaL_checkint(L, 4);
struct quirc *qr;
struct quirc* qr;
qr = quirc_new();
if (!qr) {
return luaL_error(L, "qrcode.scan: Failed to allocate memory");
}
uint8_t* filedata = 0;
// if( dmScript::IsBuffer(L, 4) )
// {
// dmBuffer::HBuffer* buffer2 = dmScript::CheckBuffer(L, 4);
// uint8_t* file;
// uint32_t filesize;
// dmBuffer::GetBytes(*buffer2, (void**)&file, &filesize);
// int x,y,n;
// //filedata = Xstbi_load("/Users/mathiaswesterdahl/work/external/quirc/defold.png", &x, &y, &n, 0);
// filedata = Xstbi_load_from_memory(file, filesize, &x, &y, &n, 0);
// if( filedata )
// {
// width = x;
// height = y;
// }
// printf("filedata: %p %d %d %d\n", filedata, width, height, n);
// }
if (quirc_resize(qr, width, height) < 0) {
return luaL_error(L, "qrcode.scan: Failed to allocate video memory");
}
uint8_t* image = quirc_begin(qr, &width, &height);
if( filedata )
uint8_t* data;
uint32_t datasize;
dmBuffer::GetBytes(buffer->m_Buffer, (void**)&data, &datasize);
// Make it grey scale
for( int y = 0; y < height; ++y )
{
for( int y = 0; y < height; ++y )
for( int x = 0; x < width; ++x )
{
for( int x = 0; x < width; ++x )
float r = (float)data[y * width * 3 + x * 3 + 0] / 255.0f;
float g = (float)data[y * width * 3 + x * 3 + 1] / 255.0f;
float b = (float)data[y * width * 3 + x * 3 + 2] / 255.0f;
float value = (r+g+b)/3.0f;
value = value*value;
value += 0.1f;
if(value>1.0f)
{
image[y * width + x] = filedata[y * width * 3 + x * 3];
value = 1.0f;
}
if( flip == 0 )
image[y * width + x] = (uint8_t)(value * 255.0f);
else
image[y * width + (width - x - 1)] = (uint8_t)(value * 255.0f);
}
free(filedata);
}
else
{
uint8_t* data;
uint32_t datasize;
dmBuffer::GetBytes(buffer->m_Buffer, (void**)&data, &datasize);
for( int y = 0; y < height; ++y )
{
for( int x = 0; x < width; ++x )
{
float r = (float)data[y * width * 3 + x * 3 + 0] / 255.0f;
float g = (float)data[y * width * 3 + x * 3 + 1] / 255.0f;
float b = (float)data[y * width * 3 + x * 3 + 2] / 255.0f;
float value = (r+g+b)/3.0f;
value = value*value;
value += 0.1f;
if(value>1.0f)
{
value = 1.0f;
}
if( flip == 0 )
image[y * width + x] = (uint8_t)(value * 255.0f);
else
image[y * width + (width - x - 1)] = (uint8_t)(value * 255.0f);
//image[y * width + x] = data[y * width * 3 + x * 3];
}
}
}
if( g_DebugPixels != 0 )
{
free(g_DebugPixels);
}
g_DebugWidth = width;
g_DebugHeight = height;
g_DebugPixels = (uint8_t*)malloc( width * height * 3 );
for( int i = 0; i < width * height; ++i )
{
g_DebugPixels[i*3 + 0] = image[i];
g_DebugPixels[i*3 + 1] = image[i];
g_DebugPixels[i*3 + 2] = image[i];
}
quirc_end(qr);
//stbi_write_png("/Users/mathiaswesterdahl/work/external/quirc/test.png", width, height, 1, image, width);
//printf("Wrote: /Users/mathiaswesterdahl/work/external/quirc/test.png\n");
int num_codes = quirc_count(qr);
for( int i = 0; i < num_codes; i++)
{
@@ -154,13 +94,10 @@ static int Scan(lua_State* L)
quirc_decode_error_t err = quirc_decode(&code, &data);
if (err)
{
printf("qrcode.scan: quirc decode error: %s\n", quirc_strerror(err));
num_codes = 0;
//return luaL_error(L, "qrcode.scan: quirc decode error: %s\n", quirc_strerror(err));
}
else
{
printf("Data: %s\n", data.payload);
lua_pushstring(L, (const char*)data.payload);
}
break;
@@ -173,42 +110,23 @@ static int Scan(lua_State* L)
lua_pushnil(L);
}
return 1;
return 1;
}
static int GetDebugImage(lua_State* L)
static int Generate(lua_State* L)
{
DM_LUA_STACK_CHECK(L, 1);
const dmBuffer::StreamDeclaration streams_decl[] = {
{dmHashString64("rgb"), dmBuffer::VALUE_TYPE_UINT8, 3},
};
dmBuffer::HBuffer buffer;
dmBuffer::Result r = dmBuffer::Create(g_DebugWidth*g_DebugHeight, streams_decl, 1, &buffer);
if (r != dmBuffer::RESULT_OK)
{
lua_pushnil(L);
return 1;
}
uint8_t* data;
uint32_t datasize;
dmBuffer::GetBytes(buffer, (void**)&data, &datasize);
memcpy(data, g_DebugPixels, datasize);
dmScript::LuaHBuffer luabuf = { buffer, true };
PushBuffer(L, luabuf);
return 1;
dmScript::LuaHBuffer* buffer = dmScript::CheckBuffer(L, 1);
int width = luaL_checkint(L, 2);
int height = luaL_checkint(L, 3);
int flip = luaL_checkint(L, 4);
}
static const luaL_reg Module_methods[] =
{
{"scan", Scan},
{"get_debug_image", GetDebugImage},
{"generate", Generate},
{0, 0}
};