initial git upload, based on graphlcd-base-0.1.5

1 files changed, 279 insertions, 0 deletions

diff --git a/tools/showtext/showtext.c b/tools/showtext/showtext.c
new file mode 100644
index 0000000..2621db1
--- /dev/null
+++ b/tools/showtext/showtext.c
@@ -0,0 +1,279 @@
+/*
+ * GraphLCD tool showtext
+ *
+ * showtext.c  -  a tool to show a text on a LCD
+ *
+ * This file is released under the GNU General Public License. Refer
+ * to the COPYING file distributed with this package.
+ *
+ * (c) 2004 Andreas Regel <andreas.regel AT powarman.de>
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <getopt.h>
+#include <unistd.h>
+
+#include <string>
+
+#include <glcdgraphics/bitmap.h>
+#include <glcdgraphics/font.h>
+#include <glcddrivers/config.h>
+#include <glcddrivers/driver.h>
+#include <glcddrivers/drivers.h>
+
+static const char *prgname = "showtext";
+static const char *version = "0.0.3";
+
+static const char * kDefaultConfigFile = "/etc/graphlcd.conf";
+
+static const int kFontFNT = 0;
+static const int kFontFT2 = 1;
+
+void usage()
+{
+	fprintf(stdout, "\n");
+	fprintf(stdout, "%s v%s\n", prgname, version);
+	fprintf(stdout, "%s is a tool to show a text on a LCD.\n", prgname);
+	fprintf(stdout, "\n");
+	fprintf(stdout, "  Usage: %s [-c CONFIGFILE] [-d DISPLAY] [-f FONT] [-x XPOS] [-y YPOS] [-uib] text [more text]\n\n", prgname);
+	fprintf(stdout, "  -c  --config      specifies the location of the config file\n");
+	fprintf(stdout, "                    (default: /etc/graphlcd.conf)\n");
+	fprintf(stdout, "  -d  --display     specifies the output display (default is the first one)\n");
+	fprintf(stdout, "  -f  --font        specifies the font that is used for the text:\n");
+	fprintf(stdout, "                    fnt:/path/to/font.fnt for GraphLCD font format\n");
+	fprintf(stdout, "                    ft2:/path/to/font.ttf:size for FreeType2 supported fonts\n");
+	fprintf(stdout, "  -e  --encoding    specifies the encoding that is used for the text\n");
+	fprintf(stdout, "                    (p.e. iso8859-1)\n");
+	fprintf(stdout, "  -x  --xpos        specifies the x-position where the text starts\n");
+	fprintf(stdout, "  -y  --ypos        specifies the y-position where the text starts\n");
+	fprintf(stdout, "  -u  --upsidedown  rotates the output by 180 degrees (default: no)\n");
+	fprintf(stdout, "  -i  --invert      inverts the output (default: no)\n");
+	fprintf(stdout, "  -b  --brightness  set brightness for display if driver support it [%%]\n");
+	fprintf(stdout, "                    (default: config file value)\n");
+	fprintf(stdout, "\n" );
+	fprintf(stdout, "  example: %s -c /etc/graphlcd.conf -f fnt:f17.fnt \"Line1\" \"Line2\"\n", prgname);
+	fprintf(stdout, "\n" );
+}
+
+int main(int argc, char *argv[])
+{
+	static struct option long_options[] =
+	{
+		{"config",     required_argument, NULL, 'c'},
+		{"display",    required_argument, NULL, 'd'},
+		{"font",       required_argument, NULL, 'f'},
+		{"encoding",   required_argument, NULL, 'e'},
+		{"upsidedown",       no_argument, NULL, 'u'},
+		{"invert",           no_argument, NULL, 'i'},
+		{"brightness", required_argument, NULL, 'b'},
+		{"xpos",       required_argument, NULL, 'x'},
+		{"ypos",       required_argument, NULL, 'y'},
+		{NULL}
+	};
+
+	std::string configName = "";
+	std::string displayName = "";
+	std::string fontName;
+	std::string fontFileName = "";
+	std::string encoding = "";
+	int fontType;
+	int fontSize = 16;
+	bool upsideDown = false;
+	bool invert = false;
+	int brightness = -1;
+	int x = 0;
+	int y = 0;
+	unsigned int displayNumber = 0;
+
+	int c, option_index = 0;
+	while ((c = getopt_long(argc, argv, "c:d:f:e:uib:x:y:", long_options, &option_index)) != -1)
+	{
+		switch (c)
+		{
+			case 'c':
+				configName = optarg;
+				break;
+
+			case 'd':
+				displayName = optarg;
+				break;
+
+			case 'f':
+				fontName = optarg;
+				break;
+
+			case 'e':
+				encoding = optarg;
+				break;
+
+			case 'u':
+				upsideDown = true;
+				break;
+
+			case 'i':
+				invert = true;
+				break;
+
+			case 'b':
+				brightness = atoi(optarg);
+				if (brightness < 0) brightness = 0;
+				if (brightness > 100) brightness = 100;
+				break;
+
+			case 'x':
+				x = atoi(optarg);
+				break;
+
+			case 'y':
+				y = atoi(optarg);
+				break;
+
+			default:
+				usage();
+				return 1;
+		}
+	}
+
+	if (configName.length() == 0)
+	{
+		configName = kDefaultConfigFile;
+		fprintf(stdout, "WARNING: No config file specified, using default (%s).\n", configName.c_str());
+	}
+
+	if (GLCD::Config.Load(configName) == false)
+	{
+		fprintf(stderr, "Error loading config file!\n");
+		return 2;
+	}
+	if (GLCD::Config.driverConfigs.size() > 0)
+	{
+		if (displayName.length() > 0)
+		{
+			for (displayNumber = 0; displayNumber < GLCD::Config.driverConfigs.size(); displayNumber++)
+			{
+				if (GLCD::Config.driverConfigs[displayNumber].name == displayName)
+					break;
+			}
+			if (displayNumber == GLCD::Config.driverConfigs.size())
+			{
+				fprintf(stderr, "ERROR: Specified display %s not found in config file!\n", displayName.c_str());
+				return 3;
+			}
+		}
+		else
+		{
+			fprintf(stdout, "WARNING: No display specified, using first one.\n");
+			displayNumber = 0;
+		}
+	}
+	else
+	{
+		fprintf(stderr, "ERROR: No displays specified in config file!\n");
+		return 4;
+	}
+
+	if (encoding.length() == 0)
+	{
+		encoding = "iso8859-1";
+		fprintf(stdout, "WARNING: No encoding specified, using default (%s).\n", encoding.c_str());
+	}
+
+	if (fontName.length() == 0)
+	{
+		fprintf(stderr, "Error: No font specified!\n");
+		return 5;
+	}
+	if (fontName.find("fnt:") == 0)
+	{
+		fontType = kFontFNT;
+		fontFileName = fontName.substr(4);
+	}
+	else if (fontName.find("ft2:") == 0)
+	{
+		fontType = kFontFT2;
+		std::string::size_type pos = fontName.find(":", 4);
+		if (pos == std::string::npos)
+		{
+			fontSize = 16;
+			fprintf(stdout, "WARNING: No font size specified, using default (%d).\n", fontSize);
+			fontFileName = fontName.substr(4);
+		}
+		else
+		{
+			std::string tmp = fontName.substr(pos + 1);
+			fontSize = atoi(tmp.c_str());
+			fontFileName = fontName.substr(4, pos - 4);
+		}
+	}
+	else
+	{
+		fprintf(stderr, "Error: Unknown font type!\n");
+		return 6;
+	}
+	
+	if (optind == argc)
+	{
+		usage();
+		fprintf(stderr, "ERROR: You have to specify a text\n");
+		return 7;
+	}
+
+	GLCD::Config.driverConfigs[displayNumber].upsideDown ^= upsideDown;
+	GLCD::Config.driverConfigs[displayNumber].invert ^= invert;
+	if (brightness != -1)
+		GLCD::Config.driverConfigs[displayNumber].brightness = brightness;
+
+	GLCD::cFont font;
+	if (fontType == kFontFNT)
+	{
+		if (font.LoadFNT(fontFileName) == false)
+		{
+			fprintf(stderr, "ERROR: Failed loading font file %s\n", fontFileName.c_str());
+			return 8;
+		}
+	}
+	else
+	{
+		if (font.LoadFT2(fontFileName, encoding, fontSize) == false)
+		{
+			fprintf(stderr, "ERROR: Failed loading font file %s\n", fontFileName.c_str());
+			return 8;
+		}
+	}
+	GLCD::cDriver * lcd = GLCD::CreateDriver(GLCD::Config.driverConfigs[displayNumber].id, &GLCD::Config.driverConfigs[displayNumber]);
+	if (!lcd)
+	{
+		fprintf(stderr, "ERROR: Failed creating display object %s\n", displayName.c_str());
+		return 9;
+	}
+	if (lcd->Init() != 0)
+	{
+		fprintf(stderr, "ERROR: Failed initializing display %s\n", displayName.c_str());
+		delete lcd;
+		return 10;
+	}
+
+	GLCD::cBitmap * bitmap = new GLCD::cBitmap(lcd->Width(), lcd->Height());
+	int optText;
+	std::string text;
+
+	bitmap->Clear();
+	optText = optind;
+	while (optText < argc)
+	{
+		text = argv[optText];
+		optText++;
+
+		bitmap->DrawText(x, y, bitmap->Width() - 1, text, &font);
+		y += font.LineHeight();
+	}
+	lcd->SetScreen(bitmap->Data(), bitmap->Width(), bitmap->Height(), bitmap->LineSize());
+	lcd->Refresh(true);
+
+	lcd->DeInit();
+	delete lcd;
+
+	return 0;
+}