From 4d64e4cd434426234a5c313c151cd79b6afc299e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juha=20Vehvil=C3=A4inen?= <jusu@users.sourceforge.net>
Date: Sat, 6 Jul 2002 17:50:18 +0000
Subject: *** empty log message ***

svn path=/trunk/Framestein/; revision=27
---
 Plugins/plugin.h | 119 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 Plugins/plugin.h

(limited to 'Plugins/plugin.h')

diff --git a/Plugins/plugin.h b/Plugins/plugin.h
new file mode 100644
index 0000000..00d3514
--- /dev/null
+++ b/Plugins/plugin.h
@@ -0,0 +1,119 @@
+//
+// send the name of the plugin to fs.frame, and fs will call
+// perform_effect(struct frame f, struct args a) in your dll.
+//
+// send it to the right inlet of fs.copy, and
+// perform_copy(struct frame f1, struct frame f2, struct args a)
+// will be used as a copy operation.
+//
+
+#ifndef _PLUGINH
+#define _PLUGINH
+
+typedef unsigned char byte;
+#define pixel8 byte
+#define pixel16 unsigned short
+#define pixel24 struct pixel24data
+#define pixel32 unsigned long
+#define _frame struct frame
+#define _args struct args
+
+struct pixel24data { byte b; byte g; byte r; };
+
+struct frame
+{
+	byte *bits;		// pixel data
+	int lpitch;		// used to get row position in bits, see scanline below
+				// this is not always width*(pixelformat/8), you tell me why
+	int width;
+	int height;
+	int pixelformat;	// pixelformat is bitcount of your screen, 8, 16, 24 or 32.
+};
+
+struct args
+{
+	char *s;		// effect/copy arguments in a string
+	char *ret;		// return values. data given in the form
+				// "pd_receive_name=value;..." will be sent back to Pd.
+				// memory allocated: 256 characters.
+};
+
+// 8-bit pointer to row y
+__inline byte *scanline(struct frame f, int y)	{ return &f.bits[y*f.lpitch]; }
+
+// pointer to 16 bit pixels
+__inline pixel16 *scanline16(struct frame f, int y) { return (pixel16 *)scanline(f, y); }
+
+// pointer to 24 bit pixels
+__inline pixel24 *scanline24(struct frame f, int y) { return (pixel24 *)scanline(f, y); }
+
+// pointer to 32 bit pixels
+__inline pixel32 *scanline32(struct frame f, int y) { return (pixel32 *)scanline(f, y); }
+
+__inline byte r16(pixel16 color)
+{
+	return (color >> 11) << 3;
+}
+
+__inline byte g16(pixel16 color)
+{
+	return ((color & 2016) >> 5) << 2;
+}
+
+__inline byte b16(pixel16 color)
+{
+	return (color & 31) << 3;
+}
+
+__inline byte r24(pixel24 color)
+{
+	return color.r;
+}
+
+__inline byte g24(pixel24 color)
+{
+	return color.g;
+}
+
+__inline byte b24(pixel24 color)
+{
+	return color.b;
+}
+
+__inline byte r32(pixel32 color)
+{
+	return (byte)color;
+}
+
+__inline byte g32(pixel32 color)
+{
+	return (byte)(((pixel16)color) >> 8);
+}
+
+__inline byte b32(pixel32 color)
+{
+	return (byte)(color >> 16);
+}
+
+__inline pixel16 rgbtocolor16(byte r, byte g, byte b)
+{
+	return 	((r >> 3) << 11) |	// r value shifted
+		((g >> 2) << 5) |	// g value shifted
+		(b >> 3);		// add blue
+}
+
+__inline pixel24 rgbtocolor24(byte r, byte g, byte b)
+{
+	pixel24 p;
+	p.r = r;
+	p.g = g;
+	p.b = b;
+	return p;
+}
+
+__inline pixel32 rgbtocolor32(byte r, byte g, byte b)
+{
+	return (b << 16) | (g << 8) | r;
+}
+
+#endif // #ifndef _PLUGINH
-- 
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