blob: 992fc36b04d2ed725e57212e65ed445a25ceb158 [file] [log] [blame]
/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkImageInfo.h"
#include "SkColorSpace.h"
#include "sk_imageinfo.h"
#include "sk_colorspace.h"
const struct {
sk_colortype_t fC;
SkColorType fSK;
} gColorTypeMap[] = {
{ UNKNOWN_SK_COLORTYPE, kUnknown_SkColorType },
{ RGBA_8888_SK_COLORTYPE, kRGBA_8888_SkColorType },
{ BGRA_8888_SK_COLORTYPE, kBGRA_8888_SkColorType },
{ ALPHA_8_SK_COLORTYPE, kAlpha_8_SkColorType },
{ GRAY_8_SK_COLORTYPE, kGray_8_SkColorType },
{ RGBA_F16_SK_COLORTYPE, kRGBA_F16_SkColorType },
{ RGBA_F32_SK_COLORTYPE, kRGBA_F32_SkColorType },
};
const struct {
sk_alphatype_t fC;
SkAlphaType fSK;
} gAlphaTypeMap[] = {
{ OPAQUE_SK_ALPHATYPE, kOpaque_SkAlphaType },
{ PREMUL_SK_ALPHATYPE, kPremul_SkAlphaType },
{ UNPREMUL_SK_ALPHATYPE, kUnpremul_SkAlphaType },
};
static bool from_c_colortype(sk_colortype_t cCT, SkColorType* skCT) {
for (size_t i = 0; i < SK_ARRAY_COUNT(gColorTypeMap); ++i) {
if (gColorTypeMap[i].fC == cCT) {
if (skCT) {
*skCT = gColorTypeMap[i].fSK;
}
return true;
}
}
return false;
}
static bool to_c_colortype(SkColorType skCT, sk_colortype_t* cCT) {
for (size_t i = 0; i < SK_ARRAY_COUNT(gColorTypeMap); ++i) {
if (gColorTypeMap[i].fSK == skCT) {
if (cCT) {
*cCT = gColorTypeMap[i].fC;
}
return true;
}
}
return false;
}
static bool from_c_alphatype(sk_alphatype_t cAT, SkAlphaType* skAT) {
for (size_t i = 0; i < SK_ARRAY_COUNT(gAlphaTypeMap); ++i) {
if (gAlphaTypeMap[i].fC == cAT) {
if (skAT) {
*skAT = gAlphaTypeMap[i].fSK;
}
return true;
}
}
return false;
}
static bool to_c_alphatype(SkAlphaType skAT, sk_alphatype_t* cAT) {
for (size_t i = 0; i < SK_ARRAY_COUNT(gAlphaTypeMap); ++i) {
if (gAlphaTypeMap[i].fSK == skAT) {
if (cAT) {
*cAT = gAlphaTypeMap[i].fC;
}
return true;
}
}
return false;
}
const SkImageInfo* ToImageInfo(const sk_imageinfo_t* cinfo) {
return reinterpret_cast<const SkImageInfo*>(cinfo);
}
/////////////////////////////////////////////////////////////////////////////////////////////
sk_imageinfo_t* sk_imageinfo_new(int w, int h, sk_colortype_t cct, sk_alphatype_t cat,
sk_colorspace_t* ccs) {
SkColorType ct;
SkAlphaType at;
if (!from_c_colortype(cct, &ct) || !from_c_alphatype(cat, &at)) {
return nullptr;
}
SkColorSpace* cs = (SkColorSpace*)ccs;
SkImageInfo* info = new SkImageInfo(SkImageInfo::Make(w, h, ct, at, sk_ref_sp(cs)));
return reinterpret_cast<sk_imageinfo_t*>(info);
}
void sk_imageinfo_delete(sk_imageinfo_t* cinfo) {
delete ToImageInfo(cinfo);
}
int sk_imageinfo_get_width(const sk_imageinfo_t* cinfo) {
return ToImageInfo(cinfo)->width();
}
int sk_imageinfo_get_height(const sk_imageinfo_t* cinfo) {
return ToImageInfo(cinfo)->height();
}
sk_colortype_t sk_imageinfo_get_colortype(const sk_imageinfo_t* cinfo) {
sk_colortype_t ct;
return to_c_colortype(ToImageInfo(cinfo)->colorType(), &ct) ? ct : UNKNOWN_SK_COLORTYPE;
}
sk_alphatype_t sk_imageinfo_get_alphatype(const sk_imageinfo_t* cinfo) {
sk_alphatype_t at;
// odd that we return premul on failure...
return to_c_alphatype(ToImageInfo(cinfo)->alphaType(), &at) ? at : PREMUL_SK_ALPHATYPE;
}
sk_colorspace_t* sk_imageinfo_get_colorspace(const sk_imageinfo_t* cinfo) {
return reinterpret_cast<sk_colorspace_t*>(ToImageInfo(cinfo)->colorSpace());
}
/////////////////////////////////////////////////////////////////////////////////////////////
sk_colorspace_t* sk_colorspace_new_srgb() {
return reinterpret_cast<sk_colorspace_t*>(SkColorSpace::MakeSRGB().release());
}
void sk_colorspace_ref(sk_colorspace_t* cs) {
SkSafeRef(reinterpret_cast<SkColorSpace*>(cs));
}
void sk_colorspace_unref(sk_colorspace_t* cs) {
SkSafeUnref(reinterpret_cast<SkColorSpace*>(cs));
}