sokol and fontstash modules

vlib/fontstash/fontstash.v

@@ -0,0 +1,152 @@
+module fontstash
+
+#flag -I @VROOT/thirdparty/fontstash
+
+
+// Contructor and destructor.
+[inline]
+pub fn create_internal(params &C.FONSparams) &C.FONScontext {
+	return C.fonsCreateInternal(params)
+}
+
+[inline]
+pub fn delete_internal(s &C.FONScontext) {
+	C.fonsDeleteInternal(s)
+}
+
+[inline]
+pub fn (s &C.FONScontext) set_error_callback(callback fn(uptr voidptr, error int, val int), uptr voidptr) {
+	C.fonsSetErrorCallback(s, callback, uptr)
+}
+
+// Returns current atlas size.
+[inline]
+pub fn (s &C.FONScontext) get_atlas_size(width &int, height &int) {
+	C.fonsGetAtlasSize(s, width, height)
+}
+
+// Expands the atlas size.
+[inline]
+pub fn (s &C.FONScontext) expand_atlas(width int, height int) int {
+	return C.fonsExpandAtlas(s, width, height)
+}
+
+// Resets the whole stash.
+[inline]
+pub fn (s &C.FONScontext) reset_atlas(width int, height int) int {
+	return C.fonsResetAtlas(s, width, height)
+}
+
+// Add fonts
+[inline]
+pub fn (s &C.FONScontext) get_font_by_name(name byteptr) int {
+	return C.fonsGetFontByName(s, name)
+}
+
+[inline]
+pub fn (s &C.FONScontext) add_fallback_font(base int, fallback int) int {
+	return C.fonsAddFallbackFont(s, base, fallback)
+}
+
+[inline]
+pub fn (s &C.FONScontext) add_font_mem(name byteptr, data byteptr, data_size int, free_data int) int {
+	return C.fonsAddFontMem(s, name, data, data_size, free_data)
+}
+
+// State handling
+[inline]
+pub fn (s &C.FONScontext) push_state() {
+	C.fonsPushState(s)
+}
+
+[inline]
+pub fn (s &C.FONScontext) pop_state() {
+	C.fonsPopState(s)
+}
+
+[inline]
+pub fn (s &C.FONScontext) clear_state() {
+	C.fonsClearState(s)
+}
+
+// State setting
+[inline]
+pub fn (s &C.FONScontext) set_size(size f32) {
+	C.fonsSetSize(s, size)
+}
+
+[inline]
+pub fn (s &C.FONScontext) set_color(color u32) {
+	C.fonsSetColor(s, color)
+}
+
+[inline]
+pub fn (s &C.FONScontext) set_spacing(spacing f32) {
+	C.fonsSetSpacing(s, spacing)
+}
+
+[inline]
+pub fn (s &C.FONScontext) set_blur(blur f32) {
+	C.fonsSetBlur(s, blur)
+}
+
+[inline]
+pub fn (s &C.FONScontext) set_align(align int) {
+	C.fonsSetAlign(s, align)
+}
+
+[inline]
+pub fn (s &C.FONScontext) set_font(font int) {
+	C.fonsSetFont(s, font)
+}
+
+// Draw text
+[inline]
+pub fn (s &C.FONScontext) draw_text(x f32, y f32, str byteptr, end byteptr) f32 {
+	return C.fonsDrawText(s, x, y, str, end)
+}
+
+// Measure text
+[inline]
+pub fn (s &C.FONScontext) text_bounds(x f32, y f32, str byteptr, end byteptr, bounds &f32) f32 {
+	return C.fonsTextBounds(s, x, y, str, end, bounds)
+}
+
+[inline]
+pub fn (s &C.FONScontext) line_bounds(y f32, miny &f32, maxy &f32) {
+	C.fonsLineBounds(s, y, miny, maxy)
+}
+
+[inline]
+pub fn (s &C.FONScontext) vert_metrics(ascender &f32, descender &f32, lineh &f32) {
+	C.fonsVertMetrics(s, ascender, descender, lineh)
+}
+
+// Text iterator
+[inline]
+pub fn (s &C.FONScontext) text_iter_init(iter &C.FONStextIter, x f32, y f32, str byteptr, end byteptr) int {
+	return C.fonsTextIterInit(s, iter, x, y, str, end)
+}
+
+[inline]
+pub fn (s &C.FONScontext) text_iter_next(iter &C.FONStextIter, quad &C.FONSquad) int {
+	return C.fonsTextIterNext(s, iter, quad)
+}
+
+// Pull texture changes
+[inline]
+pub fn (s &C.FONScontext) get_texture_data(width &int, height &int) byteptr {
+	return C.fonsGetTextureData(s, width, height)
+}
+
+[inline]
+pub fn (s &C.FONScontext) validate_texture(dirty &int) int {
+	return C.fonsValidateTexture(s, dirty)
+}
+
+// Draws the stash texture for debugging
+[inline]
+pub fn (s &C.FONScontext) draw_debug(x f32, y f32) {
+	C.fonsDrawDebug(s, x, y)
+}
+

vlib/fontstash/fontstash_funcs.v

@@ -0,0 +1,50 @@
+module fontstash
+
+// Contructor and destructor.
+fn C.fonsCreateInternal(params &C.FONSparams) &C.FONScontext
+fn C.fonsDeleteInternal(s &C.FONScontext)
+
+fn C.fonsSetErrorCallback(s &C.FONScontext, callback fn(uptr voidptr, error int, val int), uptr voidptr)
+// Returns current atlas size.
+fn C.fonsGetAtlasSize(s &C.FONScontext, width &int, height &int)
+// Expands the atlas size.
+fn C.fonsExpandAtlas(s &C.FONScontext, width int, height int) int
+// Resets the whole stash.
+fn C.fonsResetAtlas(s &C.FONScontext, width int, height int) int
+
+// Add fonts
+fn C.fonsGetFontByName(s &C.FONScontext, name byteptr) int
+fn C.fonsAddFallbackFont(s &C.FONScontext, base int, fallback int) int
+fn C.fonsAddFontMem(s &C.FONScontext, name byteptr, data byteptr, dataSize int, freeData int) int
+
+// State handling
+fn C.fonsPushState(s &C.FONScontext)
+fn C.fonsPopState(s &C.FONScontext)
+fn C.fonsClearState(s &C.FONScontext)
+
+// State setting
+fn C.fonsSetSize(s &C.FONScontext, size f32)
+fn C.fonsSetColor(s &C.FONScontext, color u32)
+fn C.fonsSetSpacing(s &C.FONScontext, spacing f32)
+fn C.fonsSetBlur(s &C.FONScontext, blur f32)
+fn C.fonsSetAlign(s &C.FONScontext, align int)
+fn C.fonsSetFont(s &C.FONScontext, font int)
+
+// Draw text
+fn C.fonsDrawText(s &C.FONScontext, x f32, y f32, str byteptr, end byteptr) f32
+
+// Measure text
+fn C.fonsTextBounds(s &C.FONScontext, x f32, y f32, str byteptr, end byteptr, bounds &f32) f32
+fn C.fonsLineBounds(s &C.FONScontext, y f32, miny &f32, maxy &f32)
+fn C.fonsVertMetrics(s &C.FONScontext, ascender &f32, descender &f32, lineh &f32)
+
+// Text iterator
+fn C.fonsTextIterInit(s &C.FONScontext, iter &C.FONStextIter, x f32, y f32, str byteptr, end byteptr) int
+fn C.fonsTextIterNext(s &C.FONScontext, iter &C.FONStextIter, quad &C.FONSquad) int
+
+// Pull texture changes
+fn C.fonsGetTextureData(s &C.FONScontext, width &int, height &int) byteptr
+fn C.fonsValidateTexture(s &C.FONScontext, dirty &int) int
+
+// Draws the stash texture for debugging
+fn C.fonsDrawDebug(s &C.FONScontext, x f32, y f32)

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 {}