sokol and fontstash modules

vlib/fontstash/fontstash_structs.v

@@ -0,0 +1,80 @@
+module fontstash
+
+pub enum FonsFlags {
+	top_left = 1
+	bottom_left = 2
+}
+
+pub enum FonsAlign {
+	// Horizontal align
+	left 		= 1	// Default
+	center 		= 2
+	right 		= 4
+	// Vertical align
+	top 		= 8
+	middle		= 16
+	bottom		= 32
+	baseline	= 64 // Default
+}
+
+pub enum FonsErrorCode {
+	// Font atlas is full.
+	atlas_full = 1
+	// Scratch memory used to render glyphs is full, requested size reported in 'val', you may need to bump up FONS_SCRATCH_BUF_SIZE.
+	scratch_full = 2
+	// Calls to fonsPushState has created too large stack, if you need deep state stack bump up FONS_MAX_STATES.
+	states_overflow = 3
+	// Trying to pop too many states fonsPopState().
+	states_underflow = 4
+}
+
+pub struct C.FONSparams {
+	width int
+	height int
+	flags char
+	userPtr voidptr
+	// int (*renderCreate)(void* uptr, int width, int height)
+	renderCreate fn(uptr voidptr, width int, height int) int
+	// int (*renderResize)(void* uptr, int width, int height)
+	renderResize fn(uptr voidptr, width int, height int) int
+	// void (*renderUpdate)(void* uptr, int* rect, const unsigned char* data)
+	renderUpdate fn(uptr voidptr, rect &int, data byteptr)
+	// void (*renderDraw)(void* uptr, const float* verts, const float* tcoords, const unsigned int* colors, int nverts)
+	renderDraw fn(uptr voidptr, verts &f32, tcoords &f32, colors &u32, nverts int)
+	// void (*renderDelete)(void* uptr)
+	renderDelete fn(uptr voidptr)
+}
+
+pub struct C.FONSquad
+{
+	x0 f32
+	y0 f32
+	s0 f32
+	t0 f32
+	x1 f32
+	y1 f32
+	s1 f32
+	t1 f32
+}
+
+pub struct C.FONStextIter {
+	x f32
+	y f32
+	nextx f32
+	nexty f32
+	scale f32
+	spacing f32
+	codepoint u32
+	isize i16
+	iblur i16
+	font &FONSfont
+	prevGlyphIndex int
+	str byteptr
+	next byteptr
+	end byteptr
+	utf8state u32
+}
+
+pub struct C.FONSfont {}
+
+pub struct C.FONScontext {}