From f89c1572bcc34ab470a21ef8edc57c95add9f9a2 Mon Sep 17 00:00:00 2001
From: yellows8 <yellows8@users.noreply.github.com>
Date: Sun, 14 Jul 2019 17:45:08 -0400
Subject: [PATCH] Added applet/screenshot-overlay example.

---
 applet/screenshot-overlay/Makefile      | 222 ++++++++++++++++++++++++
 applet/screenshot-overlay/source/main.c |  76 ++++++++
 2 files changed, 298 insertions(+)
 create mode 100644 applet/screenshot-overlay/Makefile
 create mode 100644 applet/screenshot-overlay/source/main.c

diff --git a/applet/screenshot-overlay/Makefile b/applet/screenshot-overlay/Makefile
new file mode 100644
index 0000000..2a807a9
--- /dev/null
+++ b/applet/screenshot-overlay/Makefile
@@ -0,0 +1,222 @@
+#---------------------------------------------------------------------------------
+.SUFFIXES:
+#---------------------------------------------------------------------------------
+
+ifeq ($(strip $(DEVKITPRO)),)
+$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>/devkitpro")
+endif
+
+TOPDIR ?= $(CURDIR)
+include $(DEVKITPRO)/libnx/switch_rules
+
+#---------------------------------------------------------------------------------
+# TARGET is the name of the output
+# BUILD is the directory where object files & intermediate files will be placed
+# SOURCES is a list of directories containing source code
+# DATA is a list of directories containing data files
+# INCLUDES is a list of directories containing header files
+# ROMFS is the directory containing data to be added to RomFS, relative to the Makefile (Optional)
+#
+# NO_ICON: if set to anything, do not use icon.
+# NO_NACP: if set to anything, no .nacp file is generated.
+# APP_TITLE is the name of the app stored in the .nacp file (Optional)
+# APP_AUTHOR is the author of the app stored in the .nacp file (Optional)
+# APP_VERSION is the version of the app stored in the .nacp file (Optional)
+# APP_TITLEID is the titleID of the app stored in the .nacp file (Optional)
+# ICON is the filename of the icon (.jpg), relative to the project folder.
+#   If not set, it attempts to use one of the following (in this order):
+#     - <Project name>.jpg
+#     - icon.jpg
+#     - <libnx folder>/default_icon.jpg
+#
+# CONFIG_JSON is the filename of the NPDM config file (.json), relative to the project folder.
+#   If not set, it attempts to use one of the following (in this order):
+#     - <Project name>.json
+#     - config.json
+#   If a JSON file is provided or autodetected, an ExeFS PFS0 (.nsp) is built instead
+#   of a homebrew executable (.nro). This is intended to be used for sysmodules.
+#   NACP building is skipped as well.
+#---------------------------------------------------------------------------------
+TARGET		:=	$(notdir $(CURDIR))
+BUILD		:=	build
+SOURCES		:=	source
+DATA		:=	data
+INCLUDES	:=	include
+#ROMFS	:=	romfs
+
+#---------------------------------------------------------------------------------
+# options for code generation
+#---------------------------------------------------------------------------------
+ARCH	:=	-march=armv8-a+crc+crypto -mtune=cortex-a57 -mtp=soft -fPIE
+
+CFLAGS	:=	-g -Wall -O2 -ffunction-sections \
+			$(ARCH) $(DEFINES)
+
+CFLAGS	+=	$(INCLUDE) -D__SWITCH__
+
+CXXFLAGS	:= $(CFLAGS) -fno-rtti -fno-exceptions
+
+ASFLAGS	:=	-g $(ARCH)
+LDFLAGS	=	-specs=$(DEVKITPRO)/libnx/switch.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
+
+LIBS	:= -lnx
+
+#---------------------------------------------------------------------------------
+# list of directories containing libraries, this must be the top level containing
+# include and lib
+#---------------------------------------------------------------------------------
+LIBDIRS	:= $(PORTLIBS) $(LIBNX)
+
+
+#---------------------------------------------------------------------------------
+# no real need to edit anything past this point unless you need to add additional
+# rules for different file extensions
+#---------------------------------------------------------------------------------
+ifneq ($(BUILD),$(notdir $(CURDIR)))
+#---------------------------------------------------------------------------------
+
+export OUTPUT	:=	$(CURDIR)/$(TARGET)
+export TOPDIR	:=	$(CURDIR)
+
+export VPATH	:=	$(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
+			$(foreach dir,$(DATA),$(CURDIR)/$(dir))
+
+export DEPSDIR	:=	$(CURDIR)/$(BUILD)
+
+CFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
+CPPFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
+SFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
+BINFILES	:=	$(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
+
+#---------------------------------------------------------------------------------
+# use CXX for linking C++ projects, CC for standard C
+#---------------------------------------------------------------------------------
+ifeq ($(strip $(CPPFILES)),)
+#---------------------------------------------------------------------------------
+	export LD	:=	$(CC)
+#---------------------------------------------------------------------------------
+else
+#---------------------------------------------------------------------------------
+	export LD	:=	$(CXX)
+#---------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------
+
+export OFILES_BIN	:=	$(addsuffix .o,$(BINFILES))
+export OFILES_SRC	:=	$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
+export OFILES 	:=	$(OFILES_BIN) $(OFILES_SRC)
+export HFILES_BIN	:=	$(addsuffix .h,$(subst .,_,$(BINFILES)))
+
+export INCLUDE	:=	$(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
+			$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
+			-I$(CURDIR)/$(BUILD)
+
+export LIBPATHS	:=	$(foreach dir,$(LIBDIRS),-L$(dir)/lib)
+
+ifeq ($(strip $(CONFIG_JSON)),)
+	jsons := $(wildcard *.json)
+	ifneq (,$(findstring $(TARGET).json,$(jsons)))
+		export APP_JSON := $(TOPDIR)/$(TARGET).json
+	else
+		ifneq (,$(findstring config.json,$(jsons)))
+			export APP_JSON := $(TOPDIR)/config.json
+		endif
+	endif
+else
+	export APP_JSON := $(TOPDIR)/$(CONFIG_JSON)
+endif
+
+ifeq ($(strip $(ICON)),)
+	icons := $(wildcard *.jpg)
+	ifneq (,$(findstring $(TARGET).jpg,$(icons)))
+		export APP_ICON := $(TOPDIR)/$(TARGET).jpg
+	else
+		ifneq (,$(findstring icon.jpg,$(icons)))
+			export APP_ICON := $(TOPDIR)/icon.jpg
+		endif
+	endif
+else
+	export APP_ICON := $(TOPDIR)/$(ICON)
+endif
+
+ifeq ($(strip $(NO_ICON)),)
+	export NROFLAGS += --icon=$(APP_ICON)
+endif
+
+ifeq ($(strip $(NO_NACP)),)
+	export NROFLAGS += --nacp=$(CURDIR)/$(TARGET).nacp
+endif
+
+ifneq ($(APP_TITLEID),)
+	export NACPFLAGS += --titleid=$(APP_TITLEID)
+endif
+
+ifneq ($(ROMFS),)
+	export NROFLAGS += --romfsdir=$(CURDIR)/$(ROMFS)
+endif
+
+.PHONY: $(BUILD) clean all
+
+#---------------------------------------------------------------------------------
+all: $(BUILD)
+
+$(BUILD):
+	@[ -d $@ ] || mkdir -p $@
+	@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
+
+#---------------------------------------------------------------------------------
+clean:
+	@echo clean ...
+ifeq ($(strip $(APP_JSON)),)
+	@rm -fr $(BUILD) $(TARGET).nro $(TARGET).nacp $(TARGET).elf
+else
+	@rm -fr $(BUILD) $(TARGET).nsp $(TARGET).nso $(TARGET).npdm $(TARGET).elf
+endif
+
+
+#---------------------------------------------------------------------------------
+else
+.PHONY:	all
+
+DEPENDS	:=	$(OFILES:.o=.d)
+
+#---------------------------------------------------------------------------------
+# main targets
+#---------------------------------------------------------------------------------
+ifeq ($(strip $(APP_JSON)),)
+
+all	:	$(OUTPUT).nro
+
+ifeq ($(strip $(NO_NACP)),)
+$(OUTPUT).nro	:	$(OUTPUT).elf $(OUTPUT).nacp
+else
+$(OUTPUT).nro	:	$(OUTPUT).elf
+endif
+
+else
+
+all	:	$(OUTPUT).nsp
+
+$(OUTPUT).nsp	:	$(OUTPUT).nso $(OUTPUT).npdm
+
+$(OUTPUT).nso	:	$(OUTPUT).elf
+
+endif
+
+$(OUTPUT).elf	:	$(OFILES)
+
+$(OFILES_SRC)	: $(HFILES_BIN)
+
+#---------------------------------------------------------------------------------
+# you need a rule like this for each extension you use as binary data
+#---------------------------------------------------------------------------------
+%.bin.o	%_bin.h :	%.bin
+#---------------------------------------------------------------------------------
+	@echo $(notdir $<)
+	@$(bin2o)
+
+-include $(DEPENDS)
+
+#---------------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------------
diff --git a/applet/screenshot-overlay/source/main.c b/applet/screenshot-overlay/source/main.c
new file mode 100644
index 0000000..1068896
--- /dev/null
+++ b/applet/screenshot-overlay/source/main.c
@@ -0,0 +1,76 @@
+// Include the most common headers from the C standard library
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+// Include the main libnx system header, for Switch development
+#include <switch.h>
+
+// This example shows how to use applet ApplicationCopyright (used as a screenshot overlay), see also libnx applet.h.
+
+// Main program entrypoint
+int main(int argc, char* argv[])
+{
+    // This example uses a text console, as a simple way to output text to the screen.
+    // If you want to write a software-rendered graphics application,
+    //   take a look at the graphics/simplegfx example, which uses the libnx Framebuffer API instead.
+    // If on the other hand you want to write an OpenGL based application,
+    //   take a look at the graphics/opengl set of examples, which uses EGL instead.
+    consoleInit(NULL);
+
+    printf("screenshot-overlay example\n");
+
+    // Setup the RGBA8 image.
+    Result rc=0;
+    size_t size = 128*128*4;
+    u8 *tmpbuf = malloc(size);
+    if (tmpbuf)
+        memset(tmpbuf, 0xff, size); // Set the image to all white.
+    else {
+        rc = 1;
+        printf("Failed to allocate memory.\n");
+    }
+
+    // Initialize.
+    if (R_SUCCEEDED(rc)) {
+        rc = appletInitializeApplicationCopyrightFrameBuffer();
+        printf("appletInitializeApplicationCopyrightFrameBuffer(): 0x%x\n", rc);
+    }
+
+    // Set the image.
+    if (R_SUCCEEDED(rc)) {
+        rc = appletSetApplicationCopyrightImage(tmpbuf, size, 0, 0, 128, 128, 1);
+        printf("appletSetApplicationCopyrightImage(): 0x%x\n", rc);
+    }
+
+    // Set the overlay visibility in the screenshot. This is set to true by default, so normally this is only needed for disabling/re-enabling visibility.
+    if (R_SUCCEEDED(rc)) {
+        rc = appletSetApplicationCopyrightVisibility(true);
+        printf("appletSetApplicationCopyrightVisibility(): 0x%x\n", rc);
+    }
+
+    free(tmpbuf);
+
+    printf("Press + to exit.\n");
+
+    // Main loop
+    while (appletMainLoop())
+    {
+        // Scan all the inputs. This should be done once for each frame
+        hidScanInput();
+
+        // hidKeysDown returns information about which buttons have been
+        // just pressed in this frame compared to the previous one
+        u64 kDown = hidKeysDown(CONTROLLER_P1_AUTO);
+
+        if (kDown & KEY_PLUS)
+            break; // break in order to return to hbmenu
+
+        // Update the console, sending a new frame to the display
+        consoleUpdate(NULL);
+    }
+
+    // Deinitialize and clean up resources used by the console (important!)
+    consoleExit(NULL);
+    return 0;
+}