From a41cbe24c45975aab44389e7e894582ee2622806 Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@ti.com>
Date: Tue, 8 Mar 2016 15:27:27 +0200
Subject: libkmstest: color & draw_rect

---
 libkmstest/color.cpp    | 19 ++++++++++++++++---
 libkmstest/color.h      | 28 ++++++++++++----------------
 libkmstest/colorbar.cpp |  2 +-
 libkmstest/kmstest.h    |  5 +++++
 libkmstest/testpat.cpp  | 20 ++++++++++++++++++--
 py/pykms.i              |  1 +
 6 files changed, 53 insertions(+), 22 deletions(-)

diff --git a/libkmstest/color.cpp b/libkmstest/color.cpp
index 78012ac..3ad8203 100644
--- a/libkmstest/color.cpp
+++ b/libkmstest/color.cpp
@@ -9,19 +9,32 @@ RGB::RGB()
 }
 
 RGB::RGB(uint8_t r, uint8_t g, uint8_t b)
+	:RGB(255, r, g, b)
+{
+}
+
+RGB::RGB(uint8_t a, uint8_t r, uint8_t g, uint8_t b)
 {
 	this->r = r;
 	this->g = g;
 	this->b = b;
-	this->a = 255;
+	this->a = a;
+}
+
+RGB::RGB(uint32_t argb)
+{
+	this->b = (argb >> 0) & 0xff;
+	this->g = (argb >> 8) & 0xff;
+	this->r = (argb >> 16) & 0xff;
+	this->a = (argb >> 24) & 0xff;
 }
 
-uint32_t RGB::rgb888() const
+uint32_t RGB::argb8888() const
 {
 	return (a << 24) | (r << 16) | (g << 8) | (b << 0);
 }
 
-uint32_t RGB::bgr888() const
+uint32_t RGB::abgr8888() const
 {
 	return (a << 24) | (b << 16) | (g << 8) | (r << 0);
 }
diff --git a/libkmstest/color.h b/libkmstest/color.h
index f84fc68..f99a951 100644
--- a/libkmstest/color.h
+++ b/libkmstest/color.h
@@ -10,19 +10,18 @@ struct RGB
 {
 	RGB();
 	RGB(uint8_t r, uint8_t g, uint8_t b);
+	RGB(uint8_t a, uint8_t r, uint8_t g, uint8_t b);
+	RGB(uint32_t argb);
 
-	uint32_t rgb888() const;
-	uint32_t bgr888() const;
+	uint32_t argb8888() const;
+	uint32_t abgr8888() const;
 	uint16_t rgb565() const;
 	YUV yuv() const;
 
-	struct
-	{
-		uint8_t b;
-		uint8_t g;
-		uint8_t r;
-		uint8_t a;
-	};
+	uint8_t b;
+	uint8_t g;
+	uint8_t r;
+	uint8_t a;
 };
 
 struct YUV
@@ -31,12 +30,9 @@ struct YUV
 	YUV(uint8_t y, uint8_t u, uint8_t v);
 	YUV(const RGB& rgb);
 
-	struct
-	{
-		uint8_t v;
-		uint8_t u;
-		uint8_t y;
-		uint8_t a;
-	};
+	uint8_t v;
+	uint8_t u;
+	uint8_t y;
+	uint8_t a;
 };
 }
diff --git a/libkmstest/colorbar.cpp b/libkmstest/colorbar.cpp
index c1b6c16..811b81c 100644
--- a/libkmstest/colorbar.cpp
+++ b/libkmstest/colorbar.cpp
@@ -49,7 +49,7 @@ static void drm_draw_color_bar_rgb888(DumbFramebuffer& buf, int old_xpos, int xp
 		}
 
 		for (int x = xpos; x < xpos + width; ++x)
-			line[x] = bcol.rgb888();
+			line[x] = bcol.argb8888();
 	}
 }
 
diff --git a/libkmstest/kmstest.h b/libkmstest/kmstest.h
index 0482072..0564ab5 100644
--- a/libkmstest/kmstest.h
+++ b/libkmstest/kmstest.h
@@ -1,5 +1,7 @@
 #pragma once
 
+#include "color.h"
+
 namespace kms
 {
 class MappedBuffer;
@@ -9,4 +11,7 @@ void draw_color_bar(kms::DumbFramebuffer& buf, int old_xpos, int xpos, int width
 
 void draw_test_pattern(MappedBuffer& fb);
 void draw_test_pattern(DumbFramebuffer &fb);
+
+void draw_rect(MappedBuffer &fb, uint32_t x, uint32_t y, uint32_t w, uint32_t h, RGB color);
+void draw_rect(DumbFramebuffer &fb, uint32_t x, uint32_t y, uint32_t w, uint32_t h, RGB color);
 }
diff --git a/libkmstest/testpat.cpp b/libkmstest/testpat.cpp
index 33a4ec1..059c1bc 100644
--- a/libkmstest/testpat.cpp
+++ b/libkmstest/testpat.cpp
@@ -26,14 +26,14 @@ static void draw_rgb_pixel(MappedBuffer& buf, unsigned x, unsigned y, RGB color)
 	case PixelFormat::ARGB8888:
 	{
 		uint32_t *p = (uint32_t*)(buf.map(0) + buf.stride(0) * y + x * 4);
-		*p = color.rgb888();
+		*p = color.argb8888();
 		break;
 	}
 	case PixelFormat::XBGR8888:
 	case PixelFormat::ABGR8888:
 	{
 		uint32_t *p = (uint32_t*)(buf.map(0) + buf.stride(0) * y + x * 4);
-		*p = color.bgr888();
+		*p = color.abgr8888();
 		break;
 	}
 	case PixelFormat::RGB565:
@@ -290,4 +290,20 @@ void draw_test_pattern(MappedBuffer &fb)
 	printf("draw took %u us\n", (unsigned)time_span.count());
 #endif
 }
+
+void draw_rect(MappedBuffer &fb, uint32_t x, uint32_t y, uint32_t w, uint32_t h, RGB color)
+{
+	for (unsigned i = x; i < x + w; ++i) {
+		for (unsigned j = y; j < y + h; ++j) {
+			draw_rgb_pixel(fb, i, j, color);
+		}
+	}
+}
+
+void draw_rect(DumbFramebuffer &fb, uint32_t x, uint32_t y, uint32_t w, uint32_t h, RGB color)
+{
+	MappedDumbBuffer mfb(fb);
+	draw_rect(mfb, x, y, w, h, color);
+}
+
 }
diff --git a/py/pykms.i b/py/pykms.i
index d1b6581..0801653 100644
--- a/py/pykms.i
+++ b/py/pykms.i
@@ -28,6 +28,7 @@ using namespace kms;
 %include "pagefliphandler.h"
 %include "videomode.h"
 
+%include "color.h"
 %include "kmstest.h"
 
 %template(ConnectorVector) std::vector<kms::Connector*>;
-- 
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