Adds most of the toolsHEADmaster

1 files changed, 164 insertions, 0 deletions

diff --git a/v_windows/v/examples/sokol/fonts.v b/v_windows/v/examples/sokol/fonts.v
new file mode 100644
index 0000000..1cf2170
--- /dev/null
+++ b/v_windows/v/examples/sokol/fonts.v
@@ -0,0 +1,164 @@
+import sokol
+import sokol.sapp
+import sokol.gfx
+import sokol.sgl
+import sokol.sfons
+import os
+
+struct AppState {
+mut:
+	pass_action C.sg_pass_action
+	fons        &C.FONScontext
+	font_normal int
+}
+
+fn main() {
+	mut color_action := C.sg_color_attachment_action{
+		action: gfx.Action(C.SG_ACTION_CLEAR)
+		value: C.sg_color{
+			r: 0.3
+			g: 0.3
+			b: 0.32
+			a: 1.0
+		}
+	}
+	mut pass_action := C.sg_pass_action{}
+	pass_action.colors[0] = color_action
+	state := &AppState{
+		pass_action: pass_action
+		fons: &C.FONScontext(0)
+	}
+	title := 'V Metal/GL Text Rendering'
+	desc := C.sapp_desc{
+		user_data: state
+		init_userdata_cb: init
+		frame_userdata_cb: frame
+		window_title: title.str
+		html5_canvas_name: title.str
+	}
+	sapp.run(&desc)
+}
+
+fn init(mut state AppState) {
+	desc := sapp.create_desc()
+	gfx.setup(&desc)
+	s := &C.sgl_desc_t{}
+	C.sgl_setup(s)
+	state.fons = sfons.create(512, 512, 1)
+	// or use DroidSerif-Regular.ttf
+	if bytes := os.read_bytes(os.resource_abs_path('../assets/fonts/RobotoMono-Regular.ttf')) {
+		println('loaded font: $bytes.len')
+		state.font_normal = C.fonsAddFontMem(state.fons, c'sans', bytes.data, bytes.len,
+			false)
+	}
+}
+
+fn frame(user_data voidptr) {
+	mut state := &AppState(user_data)
+	state.render_font()
+	gfx.begin_default_pass(&state.pass_action, sapp.width(), sapp.height())
+	sgl.draw()
+	gfx.end_pass()
+	gfx.commit()
+}
+
+fn (state &AppState) render_font() {
+	mut sx := 0.0
+	mut sy := 0.0
+	mut dx := 0.0
+	mut dy := 0.0
+	lh := f32(0.0)
+	white := C.sfons_rgba(255, 255, 255, 255)
+	black := C.sfons_rgba(0, 0, 0, 255)
+	brown := C.sfons_rgba(192, 128, 0, 128)
+	blue := C.sfons_rgba(0, 192, 255, 255)
+	state.fons.clear_state()
+	sgl.defaults()
+	sgl.matrix_mode_projection()
+	sgl.ortho(0.0, f32(C.sapp_width()), f32(C.sapp_height()), 0.0, -1.0, 1.0)
+	sx = 0
+	sy = 50
+	dx = sx
+	dy = sy
+	state.fons.set_font(state.font_normal)
+	state.fons.set_size(100.0)
+	ascender := f32(0.0)
+	descender := f32(0.0)
+	state.fons.vert_metrics(&ascender, &descender, &lh)
+	dx = sx
+	dy += lh
+	C.fonsSetColor(state.fons, white)
+	dx = C.fonsDrawText(state.fons, dx, dy, c'The quick ', C.NULL)
+	C.fonsSetFont(state.fons, state.font_normal)
+	C.fonsSetSize(state.fons, 48.0)
+	C.fonsSetColor(state.fons, brown)
+	dx = C.fonsDrawText(state.fons, dx, dy, c'brown ', C.NULL)
+	C.fonsSetFont(state.fons, state.font_normal)
+	C.fonsSetSize(state.fons, 24.0)
+	C.fonsSetColor(state.fons, white)
+	dx = C.fonsDrawText(state.fons, dx, dy, c'fox ', C.NULL)
+	dx = sx
+	dy += lh * 1.2
+	C.fonsSetSize(state.fons, 20.0)
+	C.fonsSetFont(state.fons, state.font_normal)
+	C.fonsSetColor(state.fons, blue)
+	C.fonsDrawText(state.fons, dx, dy, c'Now is the time for all good men to come to the aid of the party.',
+		C.NULL)
+	dx = 300
+	dy = 350
+	C.fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_BASELINE)
+	C.fonsSetSize(state.fons, 60.0)
+	C.fonsSetFont(state.fons, state.font_normal)
+	C.fonsSetColor(state.fons, white)
+	C.fonsSetSpacing(state.fons, 5.0)
+	C.fonsSetBlur(state.fons, 6.0)
+	C.fonsDrawText(state.fons, dx, dy, c'Blurry...', C.NULL)
+	dx = 300
+	dy += 50.0
+	C.fonsSetSize(state.fons, 28.0)
+	C.fonsSetFont(state.fons, state.font_normal)
+	C.fonsSetColor(state.fons, white)
+	C.fonsSetSpacing(state.fons, 0.0)
+	C.fonsSetBlur(state.fons, 3.0)
+	C.fonsDrawText(state.fons, dx, dy + 2, c'DROP SHADOW', C.NULL)
+	C.fonsSetColor(state.fons, black)
+	C.fonsSetBlur(state.fons, 0)
+	C.fonsDrawText(state.fons, dx, dy, c'DROP SHADOW', C.NULL)
+	C.fonsSetSize(state.fons, 18.0)
+	C.fonsSetFont(state.fons, state.font_normal)
+	C.fonsSetColor(state.fons, white)
+	dx = 50
+	dy = 350
+	line(f32(dx - 10), f32(dy), f32(dx + 250), f32(dy))
+	C.fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_TOP)
+	dx = C.fonsDrawText(state.fons, dx, dy, c'Top', C.NULL)
+	dx += 10
+	C.fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_MIDDLE)
+	dx = C.fonsDrawText(state.fons, dx, dy, c'Middle', C.NULL)
+	dx += 10
+	C.fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_BASELINE)
+	dx = C.fonsDrawText(state.fons, dx, dy, c'Baseline', C.NULL)
+	dx += 10
+	C.fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_BOTTOM)
+	C.fonsDrawText(state.fons, dx, dy, c'Bottom', C.NULL)
+	dx = 150
+	dy = 400
+	line(f32(dx), f32(dy - 30), f32(dx), f32(dy + 80.0))
+	C.fonsSetAlign(state.fons, C.FONS_ALIGN_LEFT | C.FONS_ALIGN_BASELINE)
+	C.fonsDrawText(state.fons, dx, dy, c'Left', C.NULL)
+	dy += 30
+	C.fonsSetAlign(state.fons, C.FONS_ALIGN_CENTER | C.FONS_ALIGN_BASELINE)
+	C.fonsDrawText(state.fons, dx, dy, c'Center', C.NULL)
+	dy += 30
+	C.fonsSetAlign(state.fons, C.FONS_ALIGN_RIGHT | C.FONS_ALIGN_BASELINE)
+	C.fonsDrawText(state.fons, dx, dy, c'Right', C.NULL)
+	C.sfons_flush(state.fons)
+}
+
+fn line(sx f32, sy f32, ex f32, ey f32) {
+	sgl.begin_lines()
+	sgl.c4b(255, 255, 0, 128)
+	sgl.v2f(sx, sy)
+	sgl.v2f(ex, ey)
+	sgl.end()
+}