From f5c4671bfbad96bf346bd7e9a21fc4317b4959df Mon Sep 17 00:00:00 2001
From: Indrajith K L
Date: Sat, 3 Dec 2022 17:00:20 +0530
Subject: Adds most of the tools

---
 v_windows/v/old/vlib/gx/color.v      | 234 +++++++++++++++++++++++++++++++++++
 v_windows/v/old/vlib/gx/color_test.v |  63 ++++++++++
 v_windows/v/old/vlib/gx/image.v      |  14 +++
 v_windows/v/old/vlib/gx/text.v       |  39 ++++++
 4 files changed, 350 insertions(+)
 create mode 100644 v_windows/v/old/vlib/gx/color.v
 create mode 100644 v_windows/v/old/vlib/gx/color_test.v
 create mode 100644 v_windows/v/old/vlib/gx/image.v
 create mode 100644 v_windows/v/old/vlib/gx/text.v

(limited to 'v_windows/v/old/vlib/gx')

diff --git a/v_windows/v/old/vlib/gx/color.v b/v_windows/v/old/vlib/gx/color.v
new file mode 100644
index 0000000..eefebb8
--- /dev/null
+++ b/v_windows/v/old/vlib/gx/color.v
@@ -0,0 +1,234 @@
+module gx
+
+pub const (
+	blue = Color{
+		r: 0
+		g: 0
+		b: 255
+	}
+	red = Color{
+		r: 255
+		g: 0
+		b: 0
+	}
+	green = Color{
+		r: 0
+		g: 255
+		b: 0
+	}
+	yellow = Color{
+		r: 255
+		g: 255
+		b: 0
+	}
+	orange = Color{
+		r: 255
+		g: 165
+		b: 0
+	}
+	purple = Color{
+		r: 128
+		g: 0
+		b: 128
+	}
+	black = Color{
+		r: 0
+		g: 0
+		b: 0
+	}
+	gray = Color{
+		r: 128
+		g: 128
+		b: 128
+	}
+	indigo = Color{
+		r: 75
+		g: 0
+		b: 130
+	}
+	pink = Color{
+		r: 255
+		g: 192
+		b: 203
+	}
+	violet = Color{
+		r: 238
+		g: 130
+		b: 238
+	}
+	white = Color{
+		r: 255
+		g: 255
+		b: 255
+	}
+	dark_blue = Color{
+		r: 0
+		g: 0
+		b: 139
+	}
+	dark_gray = Color{
+		r: 169
+		g: 169
+		b: 169
+	}
+	dark_green = Color{
+		r: 0
+		g: 100
+		b: 0
+	}
+	dark_red = Color{
+		r: 139
+		g: 0
+		b: 0
+	}
+	light_blue = Color{
+		r: 173
+		g: 216
+		b: 230
+	}
+	light_gray = Color{
+		r: 211
+		g: 211
+		b: 211
+	}
+	light_green = Color{
+		r: 144
+		g: 238
+		b: 144
+	}
+	light_red = Color{
+		r: 255
+		g: 204
+		b: 203
+	}
+)
+
+// Color represents a 32 bit color value in sRGB format
+pub struct Color {
+pub mut:
+	r byte
+	g byte
+	b byte
+	a byte = 255
+}
+
+// hex takes in a 32 bit integer and splits it into 4 byte values
+pub fn hex(color int) Color {
+	return Color{
+		r: byte((color >> 24) & 0xFF)
+		g: byte((color >> 16) & 0xFF)
+		b: byte((color >> 8) & 0xFF)
+		a: byte(color & 0xFF)
+	}
+}
+
+pub fn rgb(r byte, g byte, b byte) Color {
+	return Color{
+		r: r
+		g: g
+		b: b
+	}
+}
+
+pub fn rgba(r byte, g byte, b byte, a byte) Color {
+	return Color{
+		r: r
+		g: g
+		b: b
+		a: a
+	}
+}
+
+pub fn (c Color) + (c2 Color) Color {
+	return Color{
+		r: c.r + c2.r
+		g: c.g + c2.g
+		b: c.b + c2.b
+		a: c.b + c2.a
+	}
+}
+
+pub fn (c Color) - (c2 Color) Color {
+	return Color{
+		r: c.r - c2.r
+		g: c.g - c2.g
+		b: c.b - c2.b
+		a: c.b - c2.a
+	}
+}
+
+pub fn (c Color) * (c2 Color) Color {
+	return Color{
+		r: c.r * c2.r
+		g: c.g * c2.g
+		b: c.b * c2.b
+		a: c.b * c2.a
+	}
+}
+
+pub fn (c Color) / (c2 Color) Color {
+	return Color{
+		r: c.r / c2.r
+		g: c.g / c2.g
+		b: c.b / c2.b
+		a: c.b / c2.a
+	}
+}
+
+pub fn (c Color) eq(c2 Color) bool {
+	return c.r == c2.r && c.g == c2.g && c.b == c2.b && c.a == c2.a
+}
+
+pub fn (c Color) str() string {
+	return 'Color{$c.r, $c.g, $c.b, $c.a}'
+}
+
+// rgba8 - convert a color value to an int in the RGBA8 order.
+// see https://developer.apple.com/documentation/coreimage/ciformat
+[inline]
+pub fn (c Color) rgba8() int {
+	return (int(c.r) << 24) + (int(c.g) << 16) + (int(c.b) << 8) + int(c.a)
+}
+
+// bgra8 - convert a color value to an int in the BGRA8 order.
+// see https://developer.apple.com/documentation/coreimage/ciformat
+[inline]
+pub fn (c Color) bgra8() int {
+	return (int(c.b) << 24) + (int(c.g) << 16) + (int(c.r) << 8) + int(c.a)
+}
+
+// abgr8 - convert a color value to an int in the ABGR8 order.
+// see https://developer.apple.com/documentation/coreimage/ciformat
+[inline]
+pub fn (c Color) abgr8() int {
+	return (int(c.a) << 24) + (int(c.b) << 16) + (int(c.g) << 8) + int(c.r)
+}
+
+const (
+	string_colors = map{
+		'blue':        blue
+		'red':         red
+		'green':       green
+		'yellow':      yellow
+		'orange':      orange
+		'purple':      purple
+		'black':       black
+		'gray':        gray
+		'indigo':      indigo
+		'pink':        pink
+		'violet':      violet
+		'white':       white
+		'dark_blue':   dark_blue
+		'dark_gray':   dark_gray
+		'dark_green':  dark_green
+		'dark_red':    dark_red
+		'light_blue':  light_blue
+		'light_gray':  light_gray
+		'light_green': light_green
+		'light_red':   light_red
+	}
+)
+
+pub fn color_from_string(s string) Color {
+	return gx.string_colors[s]
+}
diff --git a/v_windows/v/old/vlib/gx/color_test.v b/v_windows/v/old/vlib/gx/color_test.v
new file mode 100644
index 0000000..533a41d
--- /dev/null
+++ b/v_windows/v/old/vlib/gx/color_test.v
@@ -0,0 +1,63 @@
+import gx
+
+fn test_hex() {
+	// valid colors
+	a := gx.hex(0x6c5ce7ff)
+	b := gx.rgba(108, 92, 231, 255)
+	assert a.eq(b)
+	// doesn't give right value with short hex value
+	short := gx.hex(0xfff)
+	assert !short.eq(gx.white)
+}
+
+fn test_add() {
+	a := gx.rgba(100, 100, 100, 100)
+	b := gx.rgba(100, 100, 100, 100)
+	r := gx.rgba(200, 200, 200, 200)
+	assert (a + b).eq(r)
+}
+
+fn test_sub() {
+	a := gx.rgba(100, 100, 100, 100)
+	b := gx.rgba(100, 100, 100, 100)
+	r := gx.rgba(0, 0, 0, 0)
+	assert (a - b).eq(r)
+}
+
+fn test_mult() {
+	a := gx.rgba(10, 10, 10, 10)
+	b := gx.rgba(10, 10, 10, 10)
+	r := gx.rgba(100, 100, 100, 100)
+	assert (a * b).eq(r)
+}
+
+fn test_div() {
+	a := gx.rgba(100, 100, 100, 100)
+	b := gx.rgba(10, 10, 10, 10)
+	r := gx.rgba(10, 10, 10, 10)
+	assert (a / b).eq(r)
+}
+
+fn test_rgba8() {
+	assert gx.white.rgba8() == -1
+	assert gx.black.rgba8() == 255
+	assert gx.red.rgba8() == -16776961
+	assert gx.green.rgba8() == 16711935
+	assert gx.blue.rgba8() == 65535
+}
+
+fn test_bgra8() {
+	assert gx.white.bgra8() == -1
+	assert gx.black.bgra8() == 255
+	assert gx.red.bgra8() == 65535
+	assert gx.green.bgra8() == 16711935
+	assert gx.blue.bgra8() == -16776961
+}
+
+fn test_abgr8() {
+	assert gx.white.abgr8() == -1
+	assert gx.black.abgr8() == -16777216
+	assert gx.red.abgr8() == -16776961
+	assert gx.green.abgr8() == -16711936
+	assert gx.blue.abgr8() == -65536
+}
diff --git a/v_windows/v/old/vlib/gx/image.v b/v_windows/v/old/vlib/gx/image.v
new file mode 100644
index 0000000..4a20ea1
--- /dev/null
+++ b/v_windows/v/old/vlib/gx/image.v
@@ -0,0 +1,14 @@
+module gx
+
+pub struct Image {
+mut:
+	obj voidptr
+pub:
+	id     int
+	width  int
+	height int
+}
+
+pub fn (i Image) is_empty() bool {
+	return isnil(i.obj)
+}
diff --git a/v_windows/v/old/vlib/gx/text.v b/v_windows/v/old/vlib/gx/text.v
new file mode 100644
index 0000000..53c4bd4
--- /dev/null
+++ b/v_windows/v/old/vlib/gx/text.v
@@ -0,0 +1,39 @@
+module gx
+
+import fontstash
+
+const (
+	used_import = fontstash.used_import
+)
+
+// TODO: remove these and uae the enum everywhere
+pub const (
+	align_left  = HorizontalAlign.left
+	align_right = HorizontalAlign.right
+)
+
+pub enum HorizontalAlign {
+	left = C.FONS_ALIGN_LEFT
+	center = C.FONS_ALIGN_CENTER
+	right = C.FONS_ALIGN_RIGHT
+}
+
+pub enum VerticalAlign {
+	top = C.FONS_ALIGN_TOP
+	middle = C.FONS_ALIGN_MIDDLE
+	bottom = C.FONS_ALIGN_BOTTOM
+	baseline = C.FONS_ALIGN_BASELINE
+}
+
+pub struct TextCfg {
+pub:
+	color          Color = black
+	size           int   = 16
+	align          HorizontalAlign = .left
+	vertical_align VerticalAlign   = .top
+	max_width      int
+	family         string
+	bold           bool
+	mono           bool
+	italic         bool
+}
-- 
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