diff --git a/vlib/gg/gg.c.v b/vlib/gg/gg.c.v index 15c0c44e62..31ea266d7c 100644 --- a/vlib/gg/gg.c.v +++ b/vlib/gg/gg.c.v @@ -286,3 +286,746 @@ pub fn (ctx &Context) draw_rect(x f32, y f32, w f32, h f32, c gx.Color) { sgl.v2f(x * ctx.scale, (y + h) * ctx.scale) sgl.end() } + +fn gg_frame_fn(user_data voidptr) { + mut ctx := unsafe { &Context(user_data) } + ctx.frame++ + if ctx.config.frame_fn == voidptr(0) { + return + } + if ctx.native_rendering { + // return + } + + ctx.record_frame() + + if ctx.ui_mode && !ctx.needs_refresh { + // Draw 3 more frames after the "stop refresh" command + ctx.ticks++ + if ctx.ticks > 3 { + return + } + } + ctx.config.frame_fn(ctx.user_data) + ctx.needs_refresh = false +} + +pub fn (mut ctx Context) refresh_ui() { + ctx.needs_refresh = true + ctx.ticks = 0 +} + +fn gg_event_fn(ce voidptr, user_data voidptr) { + // e := unsafe { &sapp.Event(ce) } + mut e := unsafe { &Event(ce) } + mut g := unsafe { &Context(user_data) } + if g.ui_mode { + g.refresh_ui() + } + if e.typ == .mouse_down { + bitplace := int(e.mouse_button) + g.mbtn_mask |= byte(1 << bitplace) + g.mouse_buttons = MouseButtons(g.mbtn_mask) + } + if e.typ == .mouse_up { + bitplace := int(e.mouse_button) + g.mbtn_mask &= ~(byte(1 << bitplace)) + g.mouse_buttons = MouseButtons(g.mbtn_mask) + } + if e.typ == .mouse_move && e.mouse_button == .invalid { + if g.mbtn_mask & 0x01 > 0 { + e.mouse_button = .left + } + if g.mbtn_mask & 0x02 > 0 { + e.mouse_button = .right + } + if g.mbtn_mask & 0x04 > 0 { + e.mouse_button = .middle + } + } + g.mouse_pos_x = int(e.mouse_x / g.scale) + g.mouse_pos_y = int(e.mouse_y / g.scale) + g.mouse_dx = int(e.mouse_dx / g.scale) + g.mouse_dy = int(e.mouse_dy / g.scale) + g.scroll_x = int(e.scroll_x / g.scale) + g.scroll_y = int(e.scroll_y / g.scale) + g.key_modifiers = Modifier(e.modifiers) + g.key_repeat = e.key_repeat + if e.typ in [.key_down, .key_up] { + key_idx := int(e.key_code) % key_code_max + prev := g.pressed_keys[key_idx] + next := e.typ == .key_down + g.pressed_keys[key_idx] = next + g.pressed_keys_edge[key_idx] = prev != next + } + if g.config.event_fn != voidptr(0) { + g.config.event_fn(e, g.config.user_data) + } + match e.typ { + .mouse_move { + if g.config.move_fn != voidptr(0) { + g.config.move_fn(e.mouse_x / g.scale, e.mouse_y / g.scale, g.config.user_data) + } + } + .mouse_down { + if g.config.click_fn != voidptr(0) { + g.config.click_fn(e.mouse_x / g.scale, e.mouse_y / g.scale, e.mouse_button, + g.config.user_data) + } + } + .mouse_up { + if g.config.unclick_fn != voidptr(0) { + g.config.unclick_fn(e.mouse_x / g.scale, e.mouse_y / g.scale, e.mouse_button, + g.config.user_data) + } + } + .mouse_leave { + if g.config.leave_fn != voidptr(0) { + g.config.leave_fn(e, g.config.user_data) + } + } + .mouse_enter { + if g.config.enter_fn != voidptr(0) { + g.config.enter_fn(e, g.config.user_data) + } + } + .mouse_scroll { + if g.config.scroll_fn != voidptr(0) { + g.config.scroll_fn(e, g.config.user_data) + } + } + .key_down { + if g.config.keydown_fn != voidptr(0) { + g.config.keydown_fn(e.key_code, Modifier(e.modifiers), g.config.user_data) + } + } + .key_up { + if g.config.keyup_fn != voidptr(0) { + g.config.keyup_fn(e.key_code, Modifier(e.modifiers), g.config.user_data) + } + } + .char { + if g.config.char_fn != voidptr(0) { + g.config.char_fn(e.char_code, g.config.user_data) + } + } + .resized { + if g.config.resized_fn != voidptr(0) { + g.config.resized_fn(e, g.config.user_data) + } + } + .quit_requested { + if g.config.quit_fn != voidptr(0) { + g.config.quit_fn(e, g.config.user_data) + } + } + else { + // dump(e) + } + } +} + +fn gg_cleanup_fn(user_data voidptr) { + mut g := unsafe { &Context(user_data) } + if g.config.cleanup_fn != voidptr(0) { + g.config.cleanup_fn(g.config.user_data) + } + gfx.shutdown() +} + +fn gg_fail_fn(msg &char, user_data voidptr) { + mut g := unsafe { &Context(user_data) } + vmsg := unsafe { tos3(msg) } + if g.config.fail_fn != voidptr(0) { + g.config.fail_fn(vmsg, g.config.user_data) + } else { + eprintln('gg error: $vmsg') + } +} + +pub fn (ctx &Context) run() { + sapp.run(&ctx.window) +} + +// Prepares the context for drawing +pub fn (gg &Context) begin() { + if gg.render_text && gg.font_inited { + gg.ft.flush() + } + sgl.defaults() + sgl.matrix_mode_projection() + sgl.ortho(0.0, f32(sapp.width()), f32(sapp.height()), 0.0, -1.0, 1.0) +} + +// Finishes drawing for the context +pub fn (gg &Context) end() { + gfx.begin_default_pass(gg.clear_pass, sapp.width(), sapp.height()) + sgl.draw() + gfx.end_pass() + gfx.commit() + /* + if gg.config.wait_events { + // println('gg: waiting') + wait_events() + } + */ +} + +// quit closes the context window and exits the event loop for it +pub fn (ctx &Context) quit() { + sapp.request_quit() // does not require ctx right now, but sokol multi-window might in the future +} + +pub fn (mut ctx Context) set_bg_color(c gx.Color) { + ctx.clear_pass = gfx.create_clear_pass(f32(c.r) / 255.0, f32(c.g) / 255.0, f32(c.b) / 255.0, + f32(c.a) / 255.0) +} + +// Sets a pixel +[inline] +pub fn (ctx &Context) set_pixel(x f32, y f32, c gx.Color) { + if c.a != 255 { + sgl.load_pipeline(ctx.timage_pip) + } + + sgl.c4b(c.r, c.g, c.b, c.a) + sgl.begin_points() + sgl.v2f(x * ctx.scale, y * ctx.scale) + sgl.end() +} + +// Sets pixels from an array of points [x, y, x2, y2, etc...] +[direct_array_access; inline] +pub fn (ctx &Context) set_pixels(points []f32, c gx.Color) { + assert points.len % 2 == 0 + len := points.len / 2 + + if c.a != 255 { + sgl.load_pipeline(ctx.timage_pip) + } + + sgl.c4b(c.r, c.g, c.b, c.a) + sgl.begin_points() + for i in 0 .. len { + x, y := points[i * 2], points[i * 2 + 1] + sgl.v2f(x * ctx.scale, y * ctx.scale) + } + sgl.end() +} + +// Draws a filled triangle +pub fn (ctx &Context) draw_triangle(x f32, y f32, x2 f32, y2 f32, x3 f32, y3 f32, c gx.Color) { + if c.a != 255 { + sgl.load_pipeline(ctx.timage_pip) + } + sgl.c4b(c.r, c.g, c.b, c.a) + sgl.begin_triangles() + sgl.v2f(x * ctx.scale, y * ctx.scale) + sgl.v2f(x2 * ctx.scale, y2 * ctx.scale) + sgl.v2f(x3 * ctx.scale, y3 * ctx.scale) + sgl.end() +} + +// Draws the outline of a triangle +pub fn (ctx &Context) draw_empty_triangle(x f32, y f32, x2 f32, y2 f32, x3 f32, y3 f32, c gx.Color) { + if c.a != 255 { + sgl.load_pipeline(ctx.timage_pip) + } + + sgl.c4b(c.r, c.g, c.b, c.a) + sgl.begin_line_strip() + sgl.v2f(x * ctx.scale, y * ctx.scale) + sgl.v2f(x2 * ctx.scale, y2 * ctx.scale) + sgl.v2f(x3 * ctx.scale, y3 * ctx.scale) + sgl.v2f(x * ctx.scale, y * ctx.scale) + sgl.end() +} + +// Draws a filled square +[inline] +pub fn (ctx &Context) draw_square(x f32, y f32, s f32, c gx.Color) { + ctx.draw_rect(x, y, s, s, c) +} + +// Draws the outline of a square +[inline] +pub fn (ctx &Context) draw_empty_square(x f32, y f32, s f32, c gx.Color) { + ctx.draw_empty_rect(x, y, s, s, c) +} + +// Draws the outline of a rectangle +pub fn (ctx &Context) draw_empty_rect(x f32, y f32, w f32, h f32, c gx.Color) { + if c.a != 255 { + sgl.load_pipeline(ctx.timage_pip) + } + sgl.c4b(c.r, c.g, c.b, c.a) + sgl.begin_line_strip() + sgl.v2f(x * ctx.scale, y * ctx.scale) + sgl.v2f((x + w) * ctx.scale, y * ctx.scale) + sgl.v2f((x + w) * ctx.scale, (y + h) * ctx.scale) + sgl.v2f(x * ctx.scale, (y + h) * ctx.scale) + sgl.v2f(x * ctx.scale, (y - 1) * ctx.scale) + sgl.end() +} + +// Draws a circle +pub fn (ctx &Context) draw_circle(x f32, y f32, r f32, c gx.Color) { + ctx.draw_circle_with_segments(x, y, r, 10, c) +} + +// Draws a circle with a specific number of segments (affects how smooth/round the circle is) +pub fn (ctx &Context) draw_circle_with_segments(x f32, y f32, r f32, segments int, c gx.Color) { + if c.a != 255 { + sgl.load_pipeline(ctx.timage_pip) + } + sgl.c4b(c.r, c.g, c.b, c.a) + nx := x * ctx.scale + ny := y * ctx.scale + nr := r * ctx.scale + mut theta := f32(0) + mut xx := f32(0) + mut yy := f32(0) + sgl.begin_triangle_strip() + for i := 0; i < segments + 1; i++ { + theta = 2.0 * f32(math.pi) * f32(i) / f32(segments) + xx = nr * math.cosf(theta) + yy = nr * math.sinf(theta) + sgl.v2f(xx + nx, yy + ny) + sgl.v2f(nx, ny) + } + sgl.end() +} + +// Draws a circle slice/pie. +pub fn (ctx &Context) draw_slice(x f32, y f32, r f32, start_angle f32, arc_angle f32, segments int, c gx.Color) { + if c.a != 255 { + sgl.load_pipeline(ctx.timage_pip) + } + sgl.c4b(c.r, c.g, c.b, c.a) + nx := x * ctx.scale + ny := y * ctx.scale + theta := f32(arc_angle / f32(segments)) + tan_factor := math.tanf(theta) + rad_factor := math.cosf(theta) + mut xx := r * math.cosf(start_angle) + mut yy := r * math.sinf(start_angle) + sgl.begin_triangle_strip() + for i := 0; i < segments + 1; i++ { + sgl.v2f(xx + nx, yy + ny) + sgl.v2f(nx, ny) + tx := -yy + ty := xx + xx += tx * tan_factor + yy += ty * tan_factor + xx *= rad_factor + yy *= rad_factor + } + sgl.end() +} + +// Draws the outline of a circle slice/pie. +pub fn (ctx &Context) draw_empty_slice(x f32, y f32, r f32, start_angle f32, arc_angle f32, segments int, c gx.Color) { + if c.a != 255 { + sgl.load_pipeline(ctx.timage_pip) + } + sgl.c4b(c.r, c.g, c.b, c.a) + theta := f32(arc_angle / f32(segments)) + tan_factor := math.tanf(theta) + rad_factor := math.cosf(theta) + nx := x * ctx.scale + ny := y * ctx.scale + mut xx := r * math.cosf(start_angle) + mut yy := r * math.sinf(start_angle) + sgl.begin_line_strip() + for i := 0; i < segments + 1; i++ { + sgl.v2f(xx + nx, yy + ny) + tx := -yy + ty := xx + xx += tx * tan_factor + yy += ty * tan_factor + xx *= rad_factor + yy *= rad_factor + } + sgl.end() +} + +// Resize the context's Window +pub fn (mut ctx Context) resize(width int, height int) { + ctx.width = width + ctx.height = height + // C.sapp_resize_window(width, height) +} + +// Draws a line between the points provided +pub fn (ctx &Context) draw_line(x f32, y f32, x2 f32, y2 f32, c gx.Color) { + $if macos { + if ctx.native_rendering { + // Make the line more clear on hi dpi screens: draw a rectangle + mut width := math.abs(x2 - x) + mut height := math.abs(y2 - y) + if width == 0 { + width = 1 + } else if height == 0 { + height = 1 + } + ctx.draw_rect(x, y, f32(width), f32(height), c) + return + } + } + if c.a != 255 { + sgl.load_pipeline(ctx.timage_pip) + } + sgl.c4b(c.r, c.g, c.b, c.a) + sgl.begin_line_strip() + sgl.v2f(x * ctx.scale, y * ctx.scale) + sgl.v2f(x2 * ctx.scale, y2 * ctx.scale) + sgl.end() +} + +// Draws a line between the points provided with the PenConfig +pub fn (ctx &Context) draw_line_with_config(x f32, y f32, x2 f32, y2 f32, config PenConfig) { + if config.color.a != 255 { + sgl.load_pipeline(ctx.timage_pip) + } + + if config.thickness <= 0 { + return + } + + nx := x * ctx.scale + ny := y * ctx.scale + nx2 := x2 * ctx.scale + ny2 := y2 * ctx.scale + + dx := nx2 - nx + dy := ny2 - ny + length := math.sqrtf(math.powf(x2 - x, 2) + math.powf(y2 - y, 2)) + theta := f32(math.atan2(dy, dx)) + + sgl.push_matrix() + + sgl.translate(nx, ny, 0) + sgl.rotate(theta, 0, 0, 1) + sgl.translate(-nx, -ny, 0) + + if config.line_type == .solid { + ctx.draw_rect(x, y, length, config.thickness, config.color) + } else { + size := if config.line_type == .dotted { config.thickness } else { config.thickness * 3 } + space := if size == 1 { 2 } else { size } + + mut available := length + mut start_x := x + + for i := 0; available > 0; i++ { + if i % 2 == 0 { + ctx.draw_rect(start_x, y, size, config.thickness, config.color) + available -= size + start_x += size + continue + } + + available -= space + start_x += space + } + } + + sgl.pop_matrix() +} + +// Draws an arc +pub fn (ctx &Context) draw_arc(x f32, y f32, inner_r f32, outer_r f32, start_angle f32, end_angle f32, segments int, c gx.Color) { + if start_angle == end_angle || outer_r <= 0.0 { + return + } + + mut r1 := inner_r + mut r2 := outer_r + mut a1 := start_angle + mut a2 := end_angle + + // TODO: Maybe this does not make since inner_r and outer_r is actually integers? + if outer_r < inner_r { + r1, r2 = r2, r1 + + if r2 <= 0.0 { + r2 = 0.1 + } + } + + if a2 < a1 { + a1, a2 = a2, a1 + } + + if r1 <= 0.0 { + ctx.draw_slice(x, y, int(r2), a1, a2, segments, c) + return + } + + mut step_length := (a2 - a1) / f32(segments) + mut angle := a1 + + sgl.begin_quads() + sgl.c4b(c.r, c.g, c.b, c.a) + for _ in 0 .. segments { + sgl.v2f(x + f32(math.sin(angle)) * r1, y + f32(math.cos(angle) * r1)) + sgl.v2f(x + f32(math.sin(angle)) * r2, y + f32(math.cos(angle) * r2)) + + sgl.v2f(x + f32(math.sin(angle + step_length)) * r2, y + f32(math.cos(angle + + step_length) * r2)) + sgl.v2f(x + f32(math.sin(angle + step_length)) * r1, y + f32(math.cos(angle + + step_length) * r1)) + + angle += step_length + } + sgl.end() +} + +// Draws a filled rounded rectangle +pub fn (ctx &Context) draw_rounded_rect(x f32, y f32, w f32, h f32, radius f32, c gx.Color) { + sgl.c4b(c.r, c.g, c.b, c.a) + sgl.begin_triangle_strip() + mut theta := f32(0) + mut xx := f32(0) + mut yy := f32(0) + r := radius * ctx.scale + nx := x * ctx.scale + ny := y * ctx.scale + width := w * ctx.scale + height := h * ctx.scale + segments := 2 * math.pi * r + segdiv := segments / 4 + rb := 0 + lb := int(rb + segdiv) + lt := int(lb + segdiv) + rt := int(lt + segdiv) + // left top + lx := nx + r + ly := ny + r + for i in lt .. rt { + theta = 2 * f32(math.pi) * f32(i) / segments + xx = r * math.cosf(theta) + yy = r * math.sinf(theta) + sgl.v2f(xx + lx, yy + ly) + sgl.v2f(lx, ly) + } + // right top + mut rx := nx + width - r + mut ry := ny + r + for i in rt .. int(segments) { + theta = 2 * f32(math.pi) * f32(i) / segments + xx = r * math.cosf(theta) + yy = r * math.sinf(theta) + sgl.v2f(xx + rx, yy + ry) + sgl.v2f(rx, ry) + } + // right bottom + mut rbx := rx + mut rby := ny + height - r + for i in rb .. lb { + theta = 2 * f32(math.pi) * f32(i) / segments + xx = r * math.cosf(theta) + yy = r * math.sinf(theta) + sgl.v2f(xx + rbx, yy + rby) + sgl.v2f(rbx, rby) + } + // left bottom + mut lbx := lx + mut lby := ny + height - r + for i in lb .. lt { + theta = 2 * f32(math.pi) * f32(i) / segments + xx = r * math.cosf(theta) + yy = r * math.sinf(theta) + sgl.v2f(xx + lbx, yy + lby) + sgl.v2f(lbx, lby) + } + sgl.v2f(lx + xx, ly) + sgl.v2f(lx, ly) + sgl.end() + sgl.begin_quads() + sgl.v2f(lx, ly) + sgl.v2f(rx, ry) + sgl.v2f(rbx, rby) + sgl.v2f(lbx, lby) + sgl.end() +} + +// Draws the outline of a rounded rectangle +pub fn (ctx &Context) draw_empty_rounded_rect(x f32, y f32, w f32, h f32, radius f32, c gx.Color) { + mut theta := f32(0) + mut xx := f32(0) + mut yy := f32(0) + r := radius * ctx.scale + nx := x * ctx.scale + ny := y * ctx.scale + width := w * ctx.scale + height := h * ctx.scale + segments := 2 * math.pi * r + segdiv := segments / 4 + rb := 0 + lb := int(rb + segdiv) + lt := int(lb + segdiv) + rt := int(lt + segdiv) + sgl.c4b(c.r, c.g, c.b, c.a) + sgl.begin_line_strip() + // left top + lx := nx + r + ly := ny + r + for i in lt .. rt { + theta = 2 * f32(math.pi) * f32(i) / segments + xx = r * math.cosf(theta) + yy = r * math.sinf(theta) + sgl.v2f(xx + lx, yy + ly) + } + // right top + mut rx := nx + width - r + mut ry := ny + r + for i in rt .. int(segments) { + theta = 2 * f32(math.pi) * f32(i) / segments + xx = r * math.cosf(theta) + yy = r * math.sinf(theta) + sgl.v2f(xx + rx, yy + ry) + } + // right bottom + mut rbx := rx + mut rby := ny + height - r + for i in rb .. lb { + theta = 2 * f32(math.pi) * f32(i) / segments + xx = r * math.cosf(theta) + yy = r * math.sinf(theta) + sgl.v2f(xx + rbx, yy + rby) + } + // left bottom + mut lbx := lx + mut lby := ny + height - r + for i in lb .. lt { + theta = 2 * f32(math.pi) * f32(i) / segments + xx = r * math.cosf(theta) + yy = r * math.sinf(theta) + sgl.v2f(xx + lbx, yy + lby) + } + sgl.v2f(lx + xx, ly) + sgl.end() +} + +// draw_convex_poly draws a convex polygon, given an array of points, and a color. +// Note that the points must be given in clockwise order. +pub fn (ctx &Context) draw_convex_poly(points []f32, c gx.Color) { + assert points.len % 2 == 0 + len := points.len / 2 + assert len >= 3 + + if c.a != 255 { + sgl.load_pipeline(ctx.timage_pip) + } + sgl.c4b(c.r, c.g, c.b, c.a) + + sgl.begin_triangle_strip() + x0 := points[0] * ctx.scale + y0 := points[1] * ctx.scale + for i in 1 .. (len / 2 + 1) { + sgl.v2f(x0, y0) + sgl.v2f(points[i * 4 - 2] * ctx.scale, points[i * 4 - 1] * ctx.scale) + sgl.v2f(points[i * 4] * ctx.scale, points[i * 4 + 1] * ctx.scale) + } + + if len % 2 == 0 { + sgl.v2f(points[2 * len - 2] * ctx.scale, points[2 * len - 1] * ctx.scale) + } + sgl.end() +} + +// draw_empty_poly - draws the borders of a polygon, given an array of points, and a color. +// Note that the points must be given in clockwise order. +pub fn (ctx &Context) draw_empty_poly(points []f32, c gx.Color) { + assert points.len % 2 == 0 + len := points.len / 2 + assert len >= 3 + + if c.a != 255 { + sgl.load_pipeline(ctx.timage_pip) + } + sgl.c4b(c.r, c.g, c.b, c.a) + + sgl.begin_line_strip() + for i in 0 .. len { + sgl.v2f(points[2 * i] * ctx.scale, points[2 * i + 1] * ctx.scale) + } + sgl.v2f(points[0] * ctx.scale, points[1] * ctx.scale) + sgl.end() +} + +// draw_cubic_bezier draws a cubic Bézier curve, also known as a spline, from four points. +// The four points is provided as one `points` array which contains a stream of point pairs (x and y coordinates). +// Thus a cubic Bézier could be declared as: `points := [x1, y1, control_x1, control_y1, control_x2, control_y2, x2, y2]`. +// Please see `draw_cubic_bezier_in_steps` to control the amount of steps (segments) used to draw the curve. +pub fn (ctx &Context) draw_cubic_bezier(points []f32, c gx.Color) { + ctx.draw_cubic_bezier_in_steps(points, u32(30 * ctx.scale), c) +} + +// draw_cubic_bezier_in_steps draws a cubic Bézier curve, also known as a spline, from four points. +// The smoothness of the curve can be controlled with the `steps` parameter. `steps` determines how many iterations is +// taken to draw the curve. +// The four points is provided as one `points` array which contains a stream of point pairs (x and y coordinates). +// Thus a cubic Bézier could be declared as: `points := [x1, y1, control_x1, control_y1, control_x2, control_y2, x2, y2]`. +pub fn (ctx &Context) draw_cubic_bezier_in_steps(points []f32, steps u32, c gx.Color) { + assert steps > 0 + assert points.len == 8 + + if c.a != 255 { + sgl.load_pipeline(ctx.timage_pip) + } + sgl.c4b(c.r, c.g, c.b, c.a) + + sgl.begin_line_strip() + + p1_x, p1_y := points[0], points[1] + p2_x, p2_y := points[6], points[7] + + ctrl_p1_x, ctrl_p1_y := points[2], points[3] + ctrl_p2_x, ctrl_p2_y := points[4], points[5] + + // The constant 3 is actually points.len() - 1; + + step := f32(1.0) / steps + sgl.v2f(p1_x * ctx.scale, p1_y * ctx.scale) + for u := f32(0.0); u <= f32(1.0); u += step { + pow_2_u := u * u + pow_3_u := pow_2_u * u + + x := pow_3_u * (p2_x + 3 * (ctrl_p1_x - ctrl_p2_x) - p1_x) + + 3 * pow_2_u * (p1_x - 2 * ctrl_p1_x + ctrl_p2_x) + 3 * u * (ctrl_p1_x - p1_x) + p1_x + + y := pow_3_u * (p2_y + 3 * (ctrl_p1_y - ctrl_p2_y) - p1_y) + + 3 * pow_2_u * (p1_y - 2 * ctrl_p1_y + ctrl_p2_y) + 3 * u * (ctrl_p1_y - p1_y) + p1_y + + sgl.v2f(x * ctx.scale, y * ctx.scale) + } + sgl.v2f(p2_x * ctx.scale, p2_y * ctx.scale) + + sgl.end() +} + +// window_size returns the `Size` of the active window +pub fn window_size() Size { + s := dpi_scale() + return Size{int(sapp.width() / s), int(sapp.height() / s)} +} + +// window_size_real_pixels returns the `Size` of the active window without scale +pub fn window_size_real_pixels() Size { + return Size{sapp.width(), sapp.height()} +} + +pub fn dpi_scale() f32 { + mut s := sapp.dpi_scale() + $if android { + s *= android_dpi_scale() + } + // NB: on older X11, `Xft.dpi` from ~/.Xresources, that sokol uses, + // may not be set which leads to sapp.dpi_scale reporting incorrectly 0.0 + if s < 0.1 { + s = 1.0 + } + return s +} diff --git a/vlib/gg/gg.js.v b/vlib/gg/gg.js.v new file mode 100644 index 0000000000..bf845f5ed6 --- /dev/null +++ b/vlib/gg/gg.js.v @@ -0,0 +1,228 @@ +module gg + +import js.dom + +pub enum DOMEventType { + invalid + key_down + key_up + char + mouse_down + mouse_up + mouse_scroll + mouse_move + mouse_enter + mouse_leave + touches_began + touches_moved + touches_ended + touches_cancelled + resized + iconified + restored + focused + unfocused + suspended + resumed + update_cursor + quit_requested + clipboard_pasted + files_droped + num +} + +pub struct Event { +pub mut: + frame_count u64 + typ DOMEventType + key_code DOMKeyCode + char_code u32 + key_repeat bool + modifiers u32 + mouse_button DOMMouseButton + mouse_x f32 + mouse_y f32 + mouse_dx f32 + mouse_dy f32 + scroll_x f32 + scroll_y f32 + // todo(playX): add touches API support in js.dom + // num_touches int + // touches [8]C.sapp_touchpoint + window_width int + window_height int + framebuffer_width int + framebuffer_height int +} + +pub struct Context { +mut: + render_text bool = true + image_cache []Image + needs_refresh bool = true + ticks int +pub mut: + scale f32 = 1.0 + width int + height int + window JS.Window + config Config + user_data voidptr + ui_mode bool + frame u64 + mbtn_mask byte + mouse_buttons MouseButtons + mouse_pos_x int + mouse_pos_y int + mouse_dx int + mouse_dy int + scroll_x int + scroll_y int + // + key_modifiers Modifier // the current key modifiers + key_repeat bool // whether the pressed key was an autorepeated one + pressed_keys [key_code_max]bool // an array representing all currently pressed keys + pressed_keys_edge [key_code_max]bool // true when the previous state of pressed_keys, + // *before* the current event was different +} + +pub enum DOMMouseButton { + invalid = -1 + left = 0 + right = 1 + middle = 2 +} + +pub enum DOMModifier { + shift = 1 //(1<<0) + ctrl = 2 //(1<<1) + alt = 4 //(1<<2) + super = 8 //(1<<3) + lmb = 0x100 + rmb = 0x200 + mmb = 0x400 +} + +pub enum DOMKeyCode { + invalid = 0 + space = 32 + apostrophe = 39 //' + comma = 44 //, + minus = 45 //- + period = 46 //. + slash = 47 /// + _0 = 48 + _1 = 49 + _2 = 50 + _3 = 51 + _4 = 52 + _5 = 53 + _6 = 54 + _7 = 55 + _8 = 56 + _9 = 57 + semicolon = 59 //; + equal = 61 //= + a = 65 + b = 66 + c = 67 + d = 68 + e = 69 + f = 70 + g = 71 + h = 72 + i = 73 + j = 74 + k = 75 + l = 76 + m = 77 + n = 78 + o = 79 + p = 80 + q = 81 + r = 82 + s = 83 + t = 84 + u = 85 + v = 86 + w = 87 + x = 88 + y = 89 + z = 90 + left_bracket = 91 //[ + backslash = 92 //\ + right_bracket = 93 //] + grave_accent = 96 //` + world_1 = 161 // non-us #1 + world_2 = 162 // non-us #2 + escape = 256 + enter = 257 + tab = 258 + backspace = 259 + insert = 260 + delete = 261 + right = 262 + left = 263 + down = 264 + up = 265 + page_up = 266 + page_down = 267 + home = 268 + end = 269 + caps_lock = 280 + scroll_lock = 281 + num_lock = 282 + print_screen = 283 + pause = 284 + f1 = 290 + f2 = 291 + f3 = 292 + f4 = 293 + f5 = 294 + f6 = 295 + f7 = 296 + f8 = 297 + f9 = 298 + f10 = 299 + f11 = 300 + f12 = 301 + f13 = 302 + f14 = 303 + f15 = 304 + f16 = 305 + f17 = 306 + f18 = 307 + f19 = 308 + f20 = 309 + f21 = 310 + f22 = 311 + f23 = 312 + f24 = 313 + f25 = 314 + kp_0 = 320 + kp_1 = 321 + kp_2 = 322 + kp_3 = 323 + kp_4 = 324 + kp_5 = 325 + kp_6 = 326 + kp_7 = 327 + kp_8 = 328 + kp_9 = 329 + kp_decimal = 330 + kp_divide = 331 + kp_multiply = 332 + kp_subtract = 333 + kp_add = 334 + kp_enter = 335 + kp_equal = 336 + left_shift = 340 + left_control = 341 + left_alt = 342 + left_super = 343 + right_shift = 344 + right_control = 345 + right_alt = 346 + right_super = 347 + menu = 348 +} diff --git a/vlib/gg/gg.v b/vlib/gg/gg.v index 743e848632..9283ec1c47 100644 --- a/vlib/gg/gg.v +++ b/vlib/gg/gg.v @@ -4,10 +4,6 @@ module gg import gx -import sokol.sapp -import sokol.sgl -import sokol.gfx -import math pub type FNCb = fn (data voidptr) @@ -95,746 +91,3 @@ pub: width int height int } - -fn gg_frame_fn(user_data voidptr) { - mut ctx := unsafe { &Context(user_data) } - ctx.frame++ - if ctx.config.frame_fn == voidptr(0) { - return - } - if ctx.native_rendering { - // return - } - - ctx.record_frame() - - if ctx.ui_mode && !ctx.needs_refresh { - // Draw 3 more frames after the "stop refresh" command - ctx.ticks++ - if ctx.ticks > 3 { - return - } - } - ctx.config.frame_fn(ctx.user_data) - ctx.needs_refresh = false -} - -pub fn (mut ctx Context) refresh_ui() { - ctx.needs_refresh = true - ctx.ticks = 0 -} - -fn gg_event_fn(ce voidptr, user_data voidptr) { - // e := unsafe { &sapp.Event(ce) } - mut e := unsafe { &Event(ce) } - mut g := unsafe { &Context(user_data) } - if g.ui_mode { - g.refresh_ui() - } - if e.typ == .mouse_down { - bitplace := int(e.mouse_button) - g.mbtn_mask |= byte(1 << bitplace) - g.mouse_buttons = MouseButtons(g.mbtn_mask) - } - if e.typ == .mouse_up { - bitplace := int(e.mouse_button) - g.mbtn_mask &= ~(byte(1 << bitplace)) - g.mouse_buttons = MouseButtons(g.mbtn_mask) - } - if e.typ == .mouse_move && e.mouse_button == .invalid { - if g.mbtn_mask & 0x01 > 0 { - e.mouse_button = .left - } - if g.mbtn_mask & 0x02 > 0 { - e.mouse_button = .right - } - if g.mbtn_mask & 0x04 > 0 { - e.mouse_button = .middle - } - } - g.mouse_pos_x = int(e.mouse_x / g.scale) - g.mouse_pos_y = int(e.mouse_y / g.scale) - g.mouse_dx = int(e.mouse_dx / g.scale) - g.mouse_dy = int(e.mouse_dy / g.scale) - g.scroll_x = int(e.scroll_x / g.scale) - g.scroll_y = int(e.scroll_y / g.scale) - g.key_modifiers = Modifier(e.modifiers) - g.key_repeat = e.key_repeat - if e.typ in [.key_down, .key_up] { - key_idx := int(e.key_code) % key_code_max - prev := g.pressed_keys[key_idx] - next := e.typ == .key_down - g.pressed_keys[key_idx] = next - g.pressed_keys_edge[key_idx] = prev != next - } - if g.config.event_fn != voidptr(0) { - g.config.event_fn(e, g.config.user_data) - } - match e.typ { - .mouse_move { - if g.config.move_fn != voidptr(0) { - g.config.move_fn(e.mouse_x / g.scale, e.mouse_y / g.scale, g.config.user_data) - } - } - .mouse_down { - if g.config.click_fn != voidptr(0) { - g.config.click_fn(e.mouse_x / g.scale, e.mouse_y / g.scale, e.mouse_button, - g.config.user_data) - } - } - .mouse_up { - if g.config.unclick_fn != voidptr(0) { - g.config.unclick_fn(e.mouse_x / g.scale, e.mouse_y / g.scale, e.mouse_button, - g.config.user_data) - } - } - .mouse_leave { - if g.config.leave_fn != voidptr(0) { - g.config.leave_fn(e, g.config.user_data) - } - } - .mouse_enter { - if g.config.enter_fn != voidptr(0) { - g.config.enter_fn(e, g.config.user_data) - } - } - .mouse_scroll { - if g.config.scroll_fn != voidptr(0) { - g.config.scroll_fn(e, g.config.user_data) - } - } - .key_down { - if g.config.keydown_fn != voidptr(0) { - g.config.keydown_fn(e.key_code, Modifier(e.modifiers), g.config.user_data) - } - } - .key_up { - if g.config.keyup_fn != voidptr(0) { - g.config.keyup_fn(e.key_code, Modifier(e.modifiers), g.config.user_data) - } - } - .char { - if g.config.char_fn != voidptr(0) { - g.config.char_fn(e.char_code, g.config.user_data) - } - } - .resized { - if g.config.resized_fn != voidptr(0) { - g.config.resized_fn(e, g.config.user_data) - } - } - .quit_requested { - if g.config.quit_fn != voidptr(0) { - g.config.quit_fn(e, g.config.user_data) - } - } - else { - // dump(e) - } - } -} - -fn gg_cleanup_fn(user_data voidptr) { - mut g := unsafe { &Context(user_data) } - if g.config.cleanup_fn != voidptr(0) { - g.config.cleanup_fn(g.config.user_data) - } - gfx.shutdown() -} - -fn gg_fail_fn(msg &char, user_data voidptr) { - mut g := unsafe { &Context(user_data) } - vmsg := unsafe { tos3(msg) } - if g.config.fail_fn != voidptr(0) { - g.config.fail_fn(vmsg, g.config.user_data) - } else { - eprintln('gg error: $vmsg') - } -} - -pub fn (ctx &Context) run() { - sapp.run(&ctx.window) -} - -// Prepares the context for drawing -pub fn (gg &Context) begin() { - if gg.render_text && gg.font_inited { - gg.ft.flush() - } - sgl.defaults() - sgl.matrix_mode_projection() - sgl.ortho(0.0, f32(sapp.width()), f32(sapp.height()), 0.0, -1.0, 1.0) -} - -// Finishes drawing for the context -pub fn (gg &Context) end() { - gfx.begin_default_pass(gg.clear_pass, sapp.width(), sapp.height()) - sgl.draw() - gfx.end_pass() - gfx.commit() - /* - if gg.config.wait_events { - // println('gg: waiting') - wait_events() - } - */ -} - -// quit closes the context window and exits the event loop for it -pub fn (ctx &Context) quit() { - sapp.request_quit() // does not require ctx right now, but sokol multi-window might in the future -} - -pub fn (mut ctx Context) set_bg_color(c gx.Color) { - ctx.clear_pass = gfx.create_clear_pass(f32(c.r) / 255.0, f32(c.g) / 255.0, f32(c.b) / 255.0, - f32(c.a) / 255.0) -} - -// Sets a pixel -[inline] -pub fn (ctx &Context) set_pixel(x f32, y f32, c gx.Color) { - if c.a != 255 { - sgl.load_pipeline(ctx.timage_pip) - } - - sgl.c4b(c.r, c.g, c.b, c.a) - sgl.begin_points() - sgl.v2f(x * ctx.scale, y * ctx.scale) - sgl.end() -} - -// Sets pixels from an array of points [x, y, x2, y2, etc...] -[direct_array_access; inline] -pub fn (ctx &Context) set_pixels(points []f32, c gx.Color) { - assert points.len % 2 == 0 - len := points.len / 2 - - if c.a != 255 { - sgl.load_pipeline(ctx.timage_pip) - } - - sgl.c4b(c.r, c.g, c.b, c.a) - sgl.begin_points() - for i in 0 .. len { - x, y := points[i * 2], points[i * 2 + 1] - sgl.v2f(x * ctx.scale, y * ctx.scale) - } - sgl.end() -} - -// Draws a filled triangle -pub fn (ctx &Context) draw_triangle(x f32, y f32, x2 f32, y2 f32, x3 f32, y3 f32, c gx.Color) { - if c.a != 255 { - sgl.load_pipeline(ctx.timage_pip) - } - sgl.c4b(c.r, c.g, c.b, c.a) - sgl.begin_triangles() - sgl.v2f(x * ctx.scale, y * ctx.scale) - sgl.v2f(x2 * ctx.scale, y2 * ctx.scale) - sgl.v2f(x3 * ctx.scale, y3 * ctx.scale) - sgl.end() -} - -// Draws the outline of a triangle -pub fn (ctx &Context) draw_empty_triangle(x f32, y f32, x2 f32, y2 f32, x3 f32, y3 f32, c gx.Color) { - if c.a != 255 { - sgl.load_pipeline(ctx.timage_pip) - } - - sgl.c4b(c.r, c.g, c.b, c.a) - sgl.begin_line_strip() - sgl.v2f(x * ctx.scale, y * ctx.scale) - sgl.v2f(x2 * ctx.scale, y2 * ctx.scale) - sgl.v2f(x3 * ctx.scale, y3 * ctx.scale) - sgl.v2f(x * ctx.scale, y * ctx.scale) - sgl.end() -} - -// Draws a filled square -[inline] -pub fn (ctx &Context) draw_square(x f32, y f32, s f32, c gx.Color) { - ctx.draw_rect(x, y, s, s, c) -} - -// Draws the outline of a square -[inline] -pub fn (ctx &Context) draw_empty_square(x f32, y f32, s f32, c gx.Color) { - ctx.draw_empty_rect(x, y, s, s, c) -} - -// Draws the outline of a rectangle -pub fn (ctx &Context) draw_empty_rect(x f32, y f32, w f32, h f32, c gx.Color) { - if c.a != 255 { - sgl.load_pipeline(ctx.timage_pip) - } - sgl.c4b(c.r, c.g, c.b, c.a) - sgl.begin_line_strip() - sgl.v2f(x * ctx.scale, y * ctx.scale) - sgl.v2f((x + w) * ctx.scale, y * ctx.scale) - sgl.v2f((x + w) * ctx.scale, (y + h) * ctx.scale) - sgl.v2f(x * ctx.scale, (y + h) * ctx.scale) - sgl.v2f(x * ctx.scale, (y - 1) * ctx.scale) - sgl.end() -} - -// Draws a circle -pub fn (ctx &Context) draw_circle(x f32, y f32, r f32, c gx.Color) { - ctx.draw_circle_with_segments(x, y, r, 10, c) -} - -// Draws a circle with a specific number of segments (affects how smooth/round the circle is) -pub fn (ctx &Context) draw_circle_with_segments(x f32, y f32, r f32, segments int, c gx.Color) { - if c.a != 255 { - sgl.load_pipeline(ctx.timage_pip) - } - sgl.c4b(c.r, c.g, c.b, c.a) - nx := x * ctx.scale - ny := y * ctx.scale - nr := r * ctx.scale - mut theta := f32(0) - mut xx := f32(0) - mut yy := f32(0) - sgl.begin_triangle_strip() - for i := 0; i < segments + 1; i++ { - theta = 2.0 * f32(math.pi) * f32(i) / f32(segments) - xx = nr * math.cosf(theta) - yy = nr * math.sinf(theta) - sgl.v2f(xx + nx, yy + ny) - sgl.v2f(nx, ny) - } - sgl.end() -} - -// Draws a circle slice/pie. -pub fn (ctx &Context) draw_slice(x f32, y f32, r f32, start_angle f32, arc_angle f32, segments int, c gx.Color) { - if c.a != 255 { - sgl.load_pipeline(ctx.timage_pip) - } - sgl.c4b(c.r, c.g, c.b, c.a) - nx := x * ctx.scale - ny := y * ctx.scale - theta := f32(arc_angle / f32(segments)) - tan_factor := math.tanf(theta) - rad_factor := math.cosf(theta) - mut xx := r * math.cosf(start_angle) - mut yy := r * math.sinf(start_angle) - sgl.begin_triangle_strip() - for i := 0; i < segments + 1; i++ { - sgl.v2f(xx + nx, yy + ny) - sgl.v2f(nx, ny) - tx := -yy - ty := xx - xx += tx * tan_factor - yy += ty * tan_factor - xx *= rad_factor - yy *= rad_factor - } - sgl.end() -} - -// Draws the outline of a circle slice/pie. -pub fn (ctx &Context) draw_empty_slice(x f32, y f32, r f32, start_angle f32, arc_angle f32, segments int, c gx.Color) { - if c.a != 255 { - sgl.load_pipeline(ctx.timage_pip) - } - sgl.c4b(c.r, c.g, c.b, c.a) - theta := f32(arc_angle / f32(segments)) - tan_factor := math.tanf(theta) - rad_factor := math.cosf(theta) - nx := x * ctx.scale - ny := y * ctx.scale - mut xx := r * math.cosf(start_angle) - mut yy := r * math.sinf(start_angle) - sgl.begin_line_strip() - for i := 0; i < segments + 1; i++ { - sgl.v2f(xx + nx, yy + ny) - tx := -yy - ty := xx - xx += tx * tan_factor - yy += ty * tan_factor - xx *= rad_factor - yy *= rad_factor - } - sgl.end() -} - -// Resize the context's Window -pub fn (mut ctx Context) resize(width int, height int) { - ctx.width = width - ctx.height = height - // C.sapp_resize_window(width, height) -} - -// Draws a line between the points provided -pub fn (ctx &Context) draw_line(x f32, y f32, x2 f32, y2 f32, c gx.Color) { - $if macos { - if ctx.native_rendering { - // Make the line more clear on hi dpi screens: draw a rectangle - mut width := math.abs(x2 - x) - mut height := math.abs(y2 - y) - if width == 0 { - width = 1 - } else if height == 0 { - height = 1 - } - ctx.draw_rect(x, y, f32(width), f32(height), c) - return - } - } - if c.a != 255 { - sgl.load_pipeline(ctx.timage_pip) - } - sgl.c4b(c.r, c.g, c.b, c.a) - sgl.begin_line_strip() - sgl.v2f(x * ctx.scale, y * ctx.scale) - sgl.v2f(x2 * ctx.scale, y2 * ctx.scale) - sgl.end() -} - -// Draws a line between the points provided with the PenConfig -pub fn (ctx &Context) draw_line_with_config(x f32, y f32, x2 f32, y2 f32, config PenConfig) { - if config.color.a != 255 { - sgl.load_pipeline(ctx.timage_pip) - } - - if config.thickness <= 0 { - return - } - - nx := x * ctx.scale - ny := y * ctx.scale - nx2 := x2 * ctx.scale - ny2 := y2 * ctx.scale - - dx := nx2 - nx - dy := ny2 - ny - length := math.sqrtf(math.powf(x2 - x, 2) + math.powf(y2 - y, 2)) - theta := f32(math.atan2(dy, dx)) - - sgl.push_matrix() - - sgl.translate(nx, ny, 0) - sgl.rotate(theta, 0, 0, 1) - sgl.translate(-nx, -ny, 0) - - if config.line_type == .solid { - ctx.draw_rect(x, y, length, config.thickness, config.color) - } else { - size := if config.line_type == .dotted { config.thickness } else { config.thickness * 3 } - space := if size == 1 { 2 } else { size } - - mut available := length - mut start_x := x - - for i := 0; available > 0; i++ { - if i % 2 == 0 { - ctx.draw_rect(start_x, y, size, config.thickness, config.color) - available -= size - start_x += size - continue - } - - available -= space - start_x += space - } - } - - sgl.pop_matrix() -} - -// Draws an arc -pub fn (ctx &Context) draw_arc(x f32, y f32, inner_r f32, outer_r f32, start_angle f32, end_angle f32, segments int, c gx.Color) { - if start_angle == end_angle || outer_r <= 0.0 { - return - } - - mut r1 := inner_r - mut r2 := outer_r - mut a1 := start_angle - mut a2 := end_angle - - // TODO: Maybe this does not make since inner_r and outer_r is actually integers? - if outer_r < inner_r { - r1, r2 = r2, r1 - - if r2 <= 0.0 { - r2 = 0.1 - } - } - - if a2 < a1 { - a1, a2 = a2, a1 - } - - if r1 <= 0.0 { - ctx.draw_slice(x, y, int(r2), a1, a2, segments, c) - return - } - - mut step_length := (a2 - a1) / f32(segments) - mut angle := a1 - - sgl.begin_quads() - sgl.c4b(c.r, c.g, c.b, c.a) - for _ in 0 .. segments { - sgl.v2f(x + f32(math.sin(angle)) * r1, y + f32(math.cos(angle) * r1)) - sgl.v2f(x + f32(math.sin(angle)) * r2, y + f32(math.cos(angle) * r2)) - - sgl.v2f(x + f32(math.sin(angle + step_length)) * r2, y + f32(math.cos(angle + - step_length) * r2)) - sgl.v2f(x + f32(math.sin(angle + step_length)) * r1, y + f32(math.cos(angle + - step_length) * r1)) - - angle += step_length - } - sgl.end() -} - -// Draws a filled rounded rectangle -pub fn (ctx &Context) draw_rounded_rect(x f32, y f32, w f32, h f32, radius f32, c gx.Color) { - sgl.c4b(c.r, c.g, c.b, c.a) - sgl.begin_triangle_strip() - mut theta := f32(0) - mut xx := f32(0) - mut yy := f32(0) - r := radius * ctx.scale - nx := x * ctx.scale - ny := y * ctx.scale - width := w * ctx.scale - height := h * ctx.scale - segments := 2 * math.pi * r - segdiv := segments / 4 - rb := 0 - lb := int(rb + segdiv) - lt := int(lb + segdiv) - rt := int(lt + segdiv) - // left top - lx := nx + r - ly := ny + r - for i in lt .. rt { - theta = 2 * f32(math.pi) * f32(i) / segments - xx = r * math.cosf(theta) - yy = r * math.sinf(theta) - sgl.v2f(xx + lx, yy + ly) - sgl.v2f(lx, ly) - } - // right top - mut rx := nx + width - r - mut ry := ny + r - for i in rt .. int(segments) { - theta = 2 * f32(math.pi) * f32(i) / segments - xx = r * math.cosf(theta) - yy = r * math.sinf(theta) - sgl.v2f(xx + rx, yy + ry) - sgl.v2f(rx, ry) - } - // right bottom - mut rbx := rx - mut rby := ny + height - r - for i in rb .. lb { - theta = 2 * f32(math.pi) * f32(i) / segments - xx = r * math.cosf(theta) - yy = r * math.sinf(theta) - sgl.v2f(xx + rbx, yy + rby) - sgl.v2f(rbx, rby) - } - // left bottom - mut lbx := lx - mut lby := ny + height - r - for i in lb .. lt { - theta = 2 * f32(math.pi) * f32(i) / segments - xx = r * math.cosf(theta) - yy = r * math.sinf(theta) - sgl.v2f(xx + lbx, yy + lby) - sgl.v2f(lbx, lby) - } - sgl.v2f(lx + xx, ly) - sgl.v2f(lx, ly) - sgl.end() - sgl.begin_quads() - sgl.v2f(lx, ly) - sgl.v2f(rx, ry) - sgl.v2f(rbx, rby) - sgl.v2f(lbx, lby) - sgl.end() -} - -// Draws the outline of a rounded rectangle -pub fn (ctx &Context) draw_empty_rounded_rect(x f32, y f32, w f32, h f32, radius f32, c gx.Color) { - mut theta := f32(0) - mut xx := f32(0) - mut yy := f32(0) - r := radius * ctx.scale - nx := x * ctx.scale - ny := y * ctx.scale - width := w * ctx.scale - height := h * ctx.scale - segments := 2 * math.pi * r - segdiv := segments / 4 - rb := 0 - lb := int(rb + segdiv) - lt := int(lb + segdiv) - rt := int(lt + segdiv) - sgl.c4b(c.r, c.g, c.b, c.a) - sgl.begin_line_strip() - // left top - lx := nx + r - ly := ny + r - for i in lt .. rt { - theta = 2 * f32(math.pi) * f32(i) / segments - xx = r * math.cosf(theta) - yy = r * math.sinf(theta) - sgl.v2f(xx + lx, yy + ly) - } - // right top - mut rx := nx + width - r - mut ry := ny + r - for i in rt .. int(segments) { - theta = 2 * f32(math.pi) * f32(i) / segments - xx = r * math.cosf(theta) - yy = r * math.sinf(theta) - sgl.v2f(xx + rx, yy + ry) - } - // right bottom - mut rbx := rx - mut rby := ny + height - r - for i in rb .. lb { - theta = 2 * f32(math.pi) * f32(i) / segments - xx = r * math.cosf(theta) - yy = r * math.sinf(theta) - sgl.v2f(xx + rbx, yy + rby) - } - // left bottom - mut lbx := lx - mut lby := ny + height - r - for i in lb .. lt { - theta = 2 * f32(math.pi) * f32(i) / segments - xx = r * math.cosf(theta) - yy = r * math.sinf(theta) - sgl.v2f(xx + lbx, yy + lby) - } - sgl.v2f(lx + xx, ly) - sgl.end() -} - -// draw_convex_poly draws a convex polygon, given an array of points, and a color. -// Note that the points must be given in clockwise order. -pub fn (ctx &Context) draw_convex_poly(points []f32, c gx.Color) { - assert points.len % 2 == 0 - len := points.len / 2 - assert len >= 3 - - if c.a != 255 { - sgl.load_pipeline(ctx.timage_pip) - } - sgl.c4b(c.r, c.g, c.b, c.a) - - sgl.begin_triangle_strip() - x0 := points[0] * ctx.scale - y0 := points[1] * ctx.scale - for i in 1 .. (len / 2 + 1) { - sgl.v2f(x0, y0) - sgl.v2f(points[i * 4 - 2] * ctx.scale, points[i * 4 - 1] * ctx.scale) - sgl.v2f(points[i * 4] * ctx.scale, points[i * 4 + 1] * ctx.scale) - } - - if len % 2 == 0 { - sgl.v2f(points[2 * len - 2] * ctx.scale, points[2 * len - 1] * ctx.scale) - } - sgl.end() -} - -// draw_empty_poly - draws the borders of a polygon, given an array of points, and a color. -// Note that the points must be given in clockwise order. -pub fn (ctx &Context) draw_empty_poly(points []f32, c gx.Color) { - assert points.len % 2 == 0 - len := points.len / 2 - assert len >= 3 - - if c.a != 255 { - sgl.load_pipeline(ctx.timage_pip) - } - sgl.c4b(c.r, c.g, c.b, c.a) - - sgl.begin_line_strip() - for i in 0 .. len { - sgl.v2f(points[2 * i] * ctx.scale, points[2 * i + 1] * ctx.scale) - } - sgl.v2f(points[0] * ctx.scale, points[1] * ctx.scale) - sgl.end() -} - -// draw_cubic_bezier draws a cubic Bézier curve, also known as a spline, from four points. -// The four points is provided as one `points` array which contains a stream of point pairs (x and y coordinates). -// Thus a cubic Bézier could be declared as: `points := [x1, y1, control_x1, control_y1, control_x2, control_y2, x2, y2]`. -// Please see `draw_cubic_bezier_in_steps` to control the amount of steps (segments) used to draw the curve. -pub fn (ctx &Context) draw_cubic_bezier(points []f32, c gx.Color) { - ctx.draw_cubic_bezier_in_steps(points, u32(30 * ctx.scale), c) -} - -// draw_cubic_bezier_in_steps draws a cubic Bézier curve, also known as a spline, from four points. -// The smoothness of the curve can be controlled with the `steps` parameter. `steps` determines how many iterations is -// taken to draw the curve. -// The four points is provided as one `points` array which contains a stream of point pairs (x and y coordinates). -// Thus a cubic Bézier could be declared as: `points := [x1, y1, control_x1, control_y1, control_x2, control_y2, x2, y2]`. -pub fn (ctx &Context) draw_cubic_bezier_in_steps(points []f32, steps u32, c gx.Color) { - assert steps > 0 - assert points.len == 8 - - if c.a != 255 { - sgl.load_pipeline(ctx.timage_pip) - } - sgl.c4b(c.r, c.g, c.b, c.a) - - sgl.begin_line_strip() - - p1_x, p1_y := points[0], points[1] - p2_x, p2_y := points[6], points[7] - - ctrl_p1_x, ctrl_p1_y := points[2], points[3] - ctrl_p2_x, ctrl_p2_y := points[4], points[5] - - // The constant 3 is actually points.len() - 1; - - step := f32(1.0) / steps - sgl.v2f(p1_x * ctx.scale, p1_y * ctx.scale) - for u := f32(0.0); u <= f32(1.0); u += step { - pow_2_u := u * u - pow_3_u := pow_2_u * u - - x := pow_3_u * (p2_x + 3 * (ctrl_p1_x - ctrl_p2_x) - p1_x) + - 3 * pow_2_u * (p1_x - 2 * ctrl_p1_x + ctrl_p2_x) + 3 * u * (ctrl_p1_x - p1_x) + p1_x - - y := pow_3_u * (p2_y + 3 * (ctrl_p1_y - ctrl_p2_y) - p1_y) + - 3 * pow_2_u * (p1_y - 2 * ctrl_p1_y + ctrl_p2_y) + 3 * u * (ctrl_p1_y - p1_y) + p1_y - - sgl.v2f(x * ctx.scale, y * ctx.scale) - } - sgl.v2f(p2_x * ctx.scale, p2_y * ctx.scale) - - sgl.end() -} - -// window_size returns the `Size` of the active window -pub fn window_size() Size { - s := dpi_scale() - return Size{int(sapp.width() / s), int(sapp.height() / s)} -} - -// window_size_real_pixels returns the `Size` of the active window without scale -pub fn window_size_real_pixels() Size { - return Size{sapp.width(), sapp.height()} -} - -pub fn dpi_scale() f32 { - mut s := sapp.dpi_scale() - $if android { - s *= android_dpi_scale() - } - // NB: on older X11, `Xft.dpi` from ~/.Xresources, that sokol uses, - // may not be set which leads to sapp.dpi_scale reporting incorrectly 0.0 - if s < 0.1 { - s = 1.0 - } - return s -} diff --git a/vlib/gg/image.c.v b/vlib/gg/image.c.v index eb3248e457..816e164700 100644 --- a/vlib/gg/image.c.v +++ b/vlib/gg/image.c.v @@ -5,6 +5,22 @@ module gg import os import stbi import sokol.gfx +import sokol.sgl + +[heap] +pub struct Image { +pub mut: + id int + width int + height int + nr_channels int + ok bool + data voidptr + ext string + simg_ok bool + simg C.sg_image + path string +} // TODO return ?Image pub fn (mut ctx Context) create_image(file string) Image { @@ -165,3 +181,126 @@ pub fn (mut ctx Context) create_image_with_size(file string, width int, height i ctx.image_cache << img return img } + +// TODO remove this +fn create_image(file string) Image { + if !os.exists(file) { + println('gg.create_image(): file not found: $file') + return Image{} // none + } + stb_img := stbi.load(file) or { return Image{} } + mut img := Image{ + width: stb_img.width + height: stb_img.height + nr_channels: stb_img.nr_channels + ok: stb_img.ok + data: stb_img.data + ext: stb_img.ext + path: file + } + img.init_sokol_image() + return img +} + +pub fn (mut ctx Context) create_image_from_memory(buf &byte, bufsize int) Image { + stb_img := stbi.load_from_memory(buf, bufsize) or { return Image{} } + mut img := Image{ + width: stb_img.width + height: stb_img.height + nr_channels: stb_img.nr_channels + ok: stb_img.ok + data: stb_img.data + ext: stb_img.ext + id: ctx.image_cache.len + } + ctx.image_cache << img + return img +} + +pub fn (mut ctx Context) create_image_from_byte_array(b []byte) Image { + return ctx.create_image_from_memory(b.data, b.len) +} + +pub struct StreamingImageConfig { + pixel_format gfx.PixelFormat = .rgba8 + wrap_u gfx.Wrap = .clamp_to_edge + wrap_v gfx.Wrap = .clamp_to_edge + min_filter gfx.Filter = .linear + mag_filter gfx.Filter = .linear + num_mipmaps int = 1 + num_slices int = 1 +} + +// draw_image_with_config takes in a config that details how the +// provided image should be drawn onto the screen +pub fn (ctx &Context) draw_image_with_config(config DrawImageConfig) { + id := if !isnil(config.img) { config.img.id } else { config.img_id } + if id >= ctx.image_cache.len { + eprintln('gg: draw_image() bad img id $id (img cache len = $ctx.image_cache.len)') + return + } + + img := &ctx.image_cache[id] + if !img.simg_ok { + return + } + + mut img_rect := config.img_rect + if img_rect.width == 0 && img_rect.height == 0 { + img_rect = Rect{img_rect.x, img_rect.y, img.width, img.height} + } + + mut part_rect := config.part_rect + if part_rect.width == 0 && part_rect.height == 0 { + part_rect = Rect{part_rect.x, part_rect.y, img.width, img.height} + } + + u0 := part_rect.x / img.width + v0 := part_rect.y / img.height + u1 := (part_rect.x + part_rect.width) / img.width + v1 := (part_rect.y + part_rect.height) / img.height + x0 := img_rect.x * ctx.scale + y0 := img_rect.y * ctx.scale + x1 := (img_rect.x + img_rect.width) * ctx.scale + mut y1 := (img_rect.y + img_rect.height) * ctx.scale + if img_rect.height == 0 { + scale := f32(img.width) / f32(img_rect.width) + y1 = f32(img_rect.y + int(f32(img.height) / scale)) * ctx.scale + } + + flip_x := config.flip_x + flip_y := config.flip_y + + mut u0f := if !flip_x { u0 } else { u1 } + mut u1f := if !flip_x { u1 } else { u0 } + mut v0f := if !flip_y { v0 } else { v1 } + mut v1f := if !flip_y { v1 } else { v0 } + + sgl.load_pipeline(ctx.timage_pip) + sgl.enable_texture() + sgl.texture(img.simg) + + if config.rotate != 0 { + width := img_rect.width * ctx.scale + height := (if img_rect.height > 0 { img_rect.height } else { img.height }) * ctx.scale + + sgl.push_matrix() + sgl.translate(x0 + (width / 2), y0 + (height / 2), 0) + sgl.rotate(sgl.rad(-config.rotate), 0, 0, 1) + sgl.translate(-x0 - (width / 2), -y0 - (height / 2), 0) + } + + sgl.begin_quads() + sgl.c4b(config.color.r, config.color.g, config.color.b, config.color.a) + sgl.v3f_t2f(x0, y0, config.z, u0f, v0f) + sgl.v3f_t2f(x1, y0, config.z, u1f, v0f) + sgl.v3f_t2f(x1, y1, config.z, u1f, v1f) + sgl.v3f_t2f(x0, y1, config.z, u0f, v1f) + sgl.end() + + if config.rotate != 0 { + sgl.pop_matrix() + } + + sgl.disable_texture() +} diff --git a/vlib/gg/image.js.v b/vlib/gg/image.js.v new file mode 100644 index 0000000000..0152f8bbfd --- /dev/null +++ b/vlib/gg/image.js.v @@ -0,0 +1,18 @@ +module gg + +[heap] +pub struct Image { +pub mut: + id int + width int + height int + nr_channels int + ok bool + data voidptr + ext string + + path string +} + +pub fn (ctx &Context) draw_image_with_config(config DrawImageConfig) { +} diff --git a/vlib/gg/image.v b/vlib/gg/image.v index 54aad23cfc..dbdd232012 100644 --- a/vlib/gg/image.v +++ b/vlib/gg/image.v @@ -2,28 +2,7 @@ // Use of this source code is governed by an MIT license that can be found in the LICENSE file. module gg -// import sokol.sapp import gx -import sokol.gfx -import os -import sokol -import sokol.sgl -import stbi - -[heap] -pub struct Image { -pub mut: - id int - width int - height int - nr_channels int - ok bool - data voidptr - ext string - simg_ok bool - simg C.sg_image - path string -} // DrawImageConfig struct defines the various options // that can be used to draw an image onto the screen @@ -48,45 +27,6 @@ pub: height f32 } -// TODO remove this -fn create_image(file string) Image { - if !os.exists(file) { - println('gg.create_image(): file not found: $file') - return Image{} // none - } - stb_img := stbi.load(file) or { return Image{} } - mut img := Image{ - width: stb_img.width - height: stb_img.height - nr_channels: stb_img.nr_channels - ok: stb_img.ok - data: stb_img.data - ext: stb_img.ext - path: file - } - img.init_sokol_image() - return img -} - -pub fn (mut ctx Context) create_image_from_memory(buf &byte, bufsize int) Image { - stb_img := stbi.load_from_memory(buf, bufsize) or { return Image{} } - mut img := Image{ - width: stb_img.width - height: stb_img.height - nr_channels: stb_img.nr_channels - ok: stb_img.ok - data: stb_img.data - ext: stb_img.ext - id: ctx.image_cache.len - } - ctx.image_cache << img - return img -} - -pub fn (mut ctx Context) create_image_from_byte_array(b []byte) Image { - return ctx.create_image_from_memory(b.data, b.len) -} - pub fn (mut ctx Context) cache_image(img Image) int { ctx.image_cache << img image_idx := ctx.image_cache.len - 1 @@ -98,90 +38,6 @@ pub fn (mut ctx Context) get_cached_image_by_idx(image_idx int) &Image { return &ctx.image_cache[image_idx] } -pub struct StreamingImageConfig { - pixel_format gfx.PixelFormat = .rgba8 - wrap_u gfx.Wrap = .clamp_to_edge - wrap_v gfx.Wrap = .clamp_to_edge - min_filter gfx.Filter = .linear - mag_filter gfx.Filter = .linear - num_mipmaps int = 1 - num_slices int = 1 -} - -// draw_image_with_config takes in a config that details how the -// provided image should be drawn onto the screen -pub fn (ctx &Context) draw_image_with_config(config DrawImageConfig) { - id := if !isnil(config.img) { config.img.id } else { config.img_id } - if id >= ctx.image_cache.len { - eprintln('gg: draw_image() bad img id $id (img cache len = $ctx.image_cache.len)') - return - } - - img := &ctx.image_cache[id] - if !img.simg_ok { - return - } - - mut img_rect := config.img_rect - if img_rect.width == 0 && img_rect.height == 0 { - img_rect = Rect{img_rect.x, img_rect.y, img.width, img.height} - } - - mut part_rect := config.part_rect - if part_rect.width == 0 && part_rect.height == 0 { - part_rect = Rect{part_rect.x, part_rect.y, img.width, img.height} - } - - u0 := part_rect.x / img.width - v0 := part_rect.y / img.height - u1 := (part_rect.x + part_rect.width) / img.width - v1 := (part_rect.y + part_rect.height) / img.height - x0 := img_rect.x * ctx.scale - y0 := img_rect.y * ctx.scale - x1 := (img_rect.x + img_rect.width) * ctx.scale - mut y1 := (img_rect.y + img_rect.height) * ctx.scale - if img_rect.height == 0 { - scale := f32(img.width) / f32(img_rect.width) - y1 = f32(img_rect.y + int(f32(img.height) / scale)) * ctx.scale - } - - flip_x := config.flip_x - flip_y := config.flip_y - - mut u0f := if !flip_x { u0 } else { u1 } - mut u1f := if !flip_x { u1 } else { u0 } - mut v0f := if !flip_y { v0 } else { v1 } - mut v1f := if !flip_y { v1 } else { v0 } - - sgl.load_pipeline(ctx.timage_pip) - sgl.enable_texture() - sgl.texture(img.simg) - - if config.rotate != 0 { - width := img_rect.width * ctx.scale - height := (if img_rect.height > 0 { img_rect.height } else { img.height }) * ctx.scale - - sgl.push_matrix() - sgl.translate(x0 + (width / 2), y0 + (height / 2), 0) - sgl.rotate(sgl.rad(-config.rotate), 0, 0, 1) - sgl.translate(-x0 - (width / 2), -y0 - (height / 2), 0) - } - - sgl.begin_quads() - sgl.c4b(config.color.r, config.color.g, config.color.b, config.color.a) - sgl.v3f_t2f(x0, y0, config.z, u0f, v0f) - sgl.v3f_t2f(x1, y0, config.z, u1f, v0f) - sgl.v3f_t2f(x1, y1, config.z, u1f, v1f) - sgl.v3f_t2f(x0, y1, config.z, u0f, v1f) - sgl.end() - - if config.rotate != 0 { - sgl.pop_matrix() - } - - sgl.disable_texture() -} - // Draw part of an image using uv coordinates // img_rect is the size and position (in pixels on screen) of the displayed rectangle (ie the draw_image args) // part_rect is the size and position (in absolute pixels in the image) of the wanted part diff --git a/vlib/gg/recorder.c.v b/vlib/gg/recorder.c.v new file mode 100644 index 0000000000..e767351e36 --- /dev/null +++ b/vlib/gg/recorder.c.v @@ -0,0 +1,41 @@ +module gg + +import sokol.sapp +import os + +[if gg_record ?] +pub fn (mut ctx Context) record_frame() { + if ctx.frame in gg.recorder_settings.screenshot_frames { + screenshot_file_path := '$gg.recorder_settings.screenshot_prefix${ctx.frame}.png' + $if gg_record_trace ? { + eprintln('>>> screenshoting $screenshot_file_path') + } + + sapp.screenshot_png(screenshot_file_path) or { panic(err) } + } + if ctx.frame == gg.recorder_settings.stop_at_frame { + $if gg_record_trace ? { + eprintln('>>> exiting at frame $ctx.frame') + } + exit(0) + } +} + +fn new_gg_recorder_settings() &SSRecorderSettings { + $if gg_record ? { + stop_frame := os.getenv_opt('VGG_STOP_AT_FRAME') or { '-1' }.i64() + frames := os.getenv('VGG_SCREENSHOT_FRAMES').split_any(',').map(it.u64()) + folder := os.getenv('VGG_SCREENSHOT_FOLDER') + prefix := os.join_path_single(folder, os.file_name(os.executable()).all_before('.') + '_') + return &SSRecorderSettings{ + stop_at_frame: stop_frame + screenshot_frames: frames + screenshot_folder: folder + screenshot_prefix: prefix + } + } $else { + return &SSRecorderSettings{} + } +} + +const recorder_settings = new_gg_recorder_settings() diff --git a/vlib/gg/recorder.js.v b/vlib/gg/recorder.js.v new file mode 100644 index 0000000000..fe57ebce9f --- /dev/null +++ b/vlib/gg/recorder.js.v @@ -0,0 +1,4 @@ +module gg + +[if gg_record ?] +pub fn (mut ctx Context) record_frame() {} diff --git a/vlib/gg/recorder.v b/vlib/gg/recorder.v index 8c072e2491..db1080d02d 100644 --- a/vlib/gg/recorder.v +++ b/vlib/gg/recorder.v @@ -1,8 +1,5 @@ module gg -import os -import sokol.sapp - [heap] pub struct SSRecorderSettings { pub mut: @@ -11,39 +8,3 @@ pub mut: screenshot_folder string screenshot_prefix string } - -const recorder_settings = new_gg_recorder_settings() - -fn new_gg_recorder_settings() &SSRecorderSettings { - $if gg_record ? { - stop_frame := os.getenv_opt('VGG_STOP_AT_FRAME') or { '-1' }.i64() - frames := os.getenv('VGG_SCREENSHOT_FRAMES').split_any(',').map(it.u64()) - folder := os.getenv('VGG_SCREENSHOT_FOLDER') - prefix := os.join_path_single(folder, os.file_name(os.executable()).all_before('.') + '_') - return &SSRecorderSettings{ - stop_at_frame: stop_frame - screenshot_frames: frames - screenshot_folder: folder - screenshot_prefix: prefix - } - } $else { - return &SSRecorderSettings{} - } -} - -[if gg_record ?] -pub fn (mut ctx Context) record_frame() { - if ctx.frame in gg.recorder_settings.screenshot_frames { - screenshot_file_path := '$gg.recorder_settings.screenshot_prefix${ctx.frame}.png' - $if gg_record_trace ? { - eprintln('>>> screenshoting $screenshot_file_path') - } - sapp.screenshot_png(screenshot_file_path) or { panic(err) } - } - if ctx.frame == gg.recorder_settings.stop_at_frame { - $if gg_record_trace ? { - eprintln('>>> exiting at frame $ctx.frame') - } - exit(0) - } -}