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Core: Add screenshotToImage scripting binding

This commit is contained in:
Vicki Pfau 2023-04-02 03:40:39 -07:00
parent 2fca2f4395
commit 2d07a269fc
2 changed files with 48 additions and 1 deletions
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30
src/core/scripting.c
View File

@ -7,6 +7,7 @@
#include <mgba/core/core.h>
#include <mgba/core/serialize.h>
#include <mgba/script/base.h>
#include <mgba/script/context.h>
#include <mgba-util/table.h>
#include <mgba-util/vfs.h>
@ -399,6 +400,7 @@ static int _mScriptCoreLoadStateFile(struct mCore* core, const char* path, int f
vf->close(vf);
return ok;
}
static void _mScriptCoreTakeScreenshot(struct mCore* core, const char* filename) {
if (filename) {
struct VFile* vf = VFileOpen(filename, O_WRONLY | O_CREAT | O_TRUNC);
@ -412,6 +414,29 @@ static void _mScriptCoreTakeScreenshot(struct mCore* core, const char* filename)
}
}
static struct mScriptValue* _mScriptCoreTakeScreenshotToImage(struct mCore* core) {
size_t stride;
const void* pixels = 0;
unsigned width, height;
core->currentVideoSize(core, &width, &height);
core->getPixels(core, &pixels, &stride);
if (!pixels) {
return NULL;
}
#ifndef COLOR_16_BIT
struct mImage* image = mImageCreateFromConstBuffer(width, height, stride, mCOLOR_XBGR8, pixels);
#elif COLOR_5_6_5
struct mImage* image = mImageCreateFromConstBuffer(width, height, stride, mCOLOR_RGB565, pixels);
#else
struct mImage* image = mImageCreateFromConstBuffer(width, height, stride, mCOLOR_BGR5, pixels);
#endif
struct mScriptValue* result = mScriptValueAlloc(mSCRIPT_TYPE_MS_S(mImage));
result->value.opaque = image;
result->flags = mSCRIPT_VALUE_FLAG_DEINIT;
return result;
}
// Loading functions
mSCRIPT_DECLARE_STRUCT_METHOD(mCore, BOOL, loadFile, mCoreLoadFile, 1, CHARP, path);
mSCRIPT_DECLARE_STRUCT_METHOD(mCore, BOOL, autoloadSave, mCoreAutoloadSave, 0);
@ -464,6 +489,7 @@ mSCRIPT_DECLARE_STRUCT_METHOD_WITH_DEFAULTS(mCore, BOOL, loadStateFile, _mScript
// Miscellaneous functions
mSCRIPT_DECLARE_STRUCT_VOID_METHOD_WITH_DEFAULTS(mCore, screenshot, _mScriptCoreTakeScreenshot, 1, CHARP, filename);
mSCRIPT_DECLARE_STRUCT_METHOD(mCore, W(mImage), screenshotToImage, _mScriptCoreTakeScreenshotToImage, 0);
mSCRIPT_DEFINE_STRUCT(mCore)
mSCRIPT_DEFINE_CLASS_DOCSTRING(
@ -549,8 +575,10 @@ mSCRIPT_DEFINE_STRUCT(mCore)
mSCRIPT_DEFINE_DOCSTRING("Load state from the given path. See C.SAVESTATE for possible values for `flags`")
mSCRIPT_DEFINE_STRUCT_METHOD(mCore, loadStateFile)
mSCRIPT_DEFINE_DOCSTRING("Save a screenshot")
mSCRIPT_DEFINE_DOCSTRING("Save a screenshot to a file")
mSCRIPT_DEFINE_STRUCT_METHOD(mCore, screenshot)
mSCRIPT_DEFINE_DOCSTRING("Get a screenshot in an struct::mImage")
mSCRIPT_DEFINE_STRUCT_METHOD(mCore, screenshotToImage)
mSCRIPT_DEFINE_END;
mSCRIPT_DEFINE_STRUCT_BINDING_DEFAULTS(mCore, checksum)

19
src/core/test/scripting.c
View File

@ -310,6 +310,24 @@ M_TEST_DEFINE(logging) {
mScriptContextDeinit(&context);
}
M_TEST_DEFINE(screenshot) {
SETUP_LUA;
CREATE_CORE;
color_t* buffer = malloc(240 * 160 * sizeof(color_t));
core->setVideoBuffer(core, buffer, 240);
core->reset(core);
core->runFrame(core);
TEST_PROGRAM("im = emu:screenshotToImage()");
TEST_PROGRAM("assert(im)");
TEST_PROGRAM("assert(im.width >= 160)");
TEST_PROGRAM("assert(im.height >= 144)");
TEARDOWN_CORE;
free(buffer);
mScriptContextDeinit(&context);
}
M_TEST_SUITE_DEFINE_SETUP_TEARDOWN(mScriptCore,
cmocka_unit_test(globals),
cmocka_unit_test(infoFuncs),
@ -318,4 +336,5 @@ M_TEST_SUITE_DEFINE_SETUP_TEARDOWN(mScriptCore,
cmocka_unit_test(memoryRead),
cmocka_unit_test(memoryWrite),
cmocka_unit_test(logging),
cmocka_unit_test(screenshot),
)