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Added put_scaled.

This commit is contained in:
peony 2024-10-19 17:35:20 +02:00
parent 1039db1247
commit ad351155da
5 changed files with 111 additions and 23 deletions

View file

@ -62,6 +62,7 @@ put_filled_rect := mode.put_filled_rect
put_line := mode.put_line
clear := mode.clear
put_surface := mode.put_surface
put_scaled := mode.put_scaled
// thanks peony for these three!
put_trirect := mode.put_trirect
put_vline := mode.put_vline

View file

@ -23,18 +23,18 @@ sync := fn(surface: Surface): void {
return @inline(memory.copy, Color, surface.buf, framebuffer, @bitcast(surface.width * surface.height))
}
screenidx := fn(surface: Surface, x: int, y: int): int {
return x + surface.width * y
surfaceidx := fn(surface: Surface, x: int, y: int): ^Color {
return surface.buf + x + surface.width * y
}
put_pixel := fn(surface: Surface, pos: Vec2(int), color: Color): void {
*(surface.buf + @inline(screenidx, surface, pos.x, pos.y)) = color
*@inline(surfaceidx, surface, pos.x, pos.y) = color
return
}
put_filled_rect := fn(surface: Surface, pos: Vec2(int), tr: Vec2(int), color: Color): void {
top_start_idx := surface.buf + @inline(screenidx, surface, pos.x, pos.y)
bottom_start_idx := surface.buf + @inline(screenidx, surface, pos.x, pos.y + tr.y - 1)
top_start_idx := @inline(surfaceidx, surface, pos.x, pos.y)
bottom_start_idx := @inline(surfaceidx, surface, pos.x, pos.y + tr.y - 1)
rows_to_fill := tr.y
loop if rows_to_fill <= 1 break else {
@ -54,19 +54,19 @@ put_filled_rect := fn(surface: Surface, pos: Vec2(int), tr: Vec2(int), color: Co
}
put_rect := fn(surface: Surface, pos: Vec2(int), tr: Vec2(int), color: Color): void {
start_idx := @inline(screenidx, surface, pos.x, pos.y)
end_idx := @inline(screenidx, surface, pos.x, pos.y + tr.y)
right_start_idx := @inline(screenidx, surface, pos.x + tr.x, pos.y)
start_idx := @inline(surfaceidx, surface, pos.x, pos.y)
end_idx := @inline(surfaceidx, surface, pos.x, pos.y + tr.y)
right_start_idx := @inline(surfaceidx, surface, pos.x + tr.x, pos.y)
loop if start_idx > end_idx break else {
*(surface.buf + start_idx) = color;
*(surface.buf + right_start_idx) = color
*start_idx = color;
*right_start_idx = color
start_idx += surface.width
right_start_idx += surface.width
}
@inline(memory.set, Color, &color, surface.buf + @inline(screenidx, surface, pos.x, pos.y), @bitcast(tr.x + 1))
@inline(memory.set, Color, &color, surface.buf + @inline(screenidx, surface, pos.x, pos.y + tr.y), @bitcast(tr.x + 1))
@inline(memory.set, Color, &color, @inline(surfaceidx, surface, pos.x, pos.y), @bitcast(tr.x + 1))
@inline(memory.set, Color, &color, @inline(surfaceidx, surface, pos.x, pos.y + tr.y), @bitcast(tr.x + 1))
return
}
@ -83,7 +83,7 @@ put_line_low := fn(surface: Surface, p0: Vec2(int), p1: Vec2(int), color: Color)
y := p0.y
x := p0.x
loop if x == p1.x break else {
*(surface.buf + @inline(screenidx, surface, x, y)) = color
*@inline(surfaceidx, surface, x, y) = color
if D > 0 {
y += yi
D += 2 * (dy - dx)
@ -107,7 +107,7 @@ put_line_high := fn(surface: Surface, p0: Vec2(int), p1: Vec2(int), color: Color
x := p0.x
y := p0.y
loop if y == p1.y break else {
*(surface.buf + @inline(screenidx, surface, x, y)) = color
*@inline(surfaceidx, surface, x, y) = color
if D > 0 {
x += xi
D += 2 * (dx - dy)
@ -137,8 +137,8 @@ put_line := fn(surface: Surface, p0: Vec2(int), p1: Vec2(int), color: Color): vo
}
put_surface := fn(surface: Surface, top: Surface, pos: Vec2(int)): void {
top_start_idx := surface.buf + @inline(screenidx, surface, pos.x, pos.y)
bottom_start_idx := surface.buf + @inline(screenidx, surface, pos.x, pos.y + top.height - 1)
top_start_idx := @inline(surfaceidx, surface, pos.x, pos.y)
bottom_start_idx := @inline(surfaceidx, surface, pos.x, pos.y + top.height - 1)
rows_to_copy := top.height
top_cursor := top.buf
bottom_cursor := top.buf + top.width * (top.height - 1)
@ -161,6 +161,76 @@ put_surface := fn(surface: Surface, top: Surface, pos: Vec2(int)): void {
return
}
put_scaled := fn(surface: Surface, source: Surface, pos: Vec2(int), size: Vec2(int)): void {
step := Vec2(int).(1, 1)
if size.x < 0 {
pos.x += source.width - 1
size.x = -size.x
step.x = -1
}
if size.y < 0 {
pos.y += source.height - 1
size.y = -size.y
step.y = -1
}
surface_idx := @inline(surfaceidx, surface, pos.x, pos.y)
source_pos := Vec2(int).(0, 0)
subpixel_pos := Vec2(int).(0, 0)
step_size := size / .(source.width, source.height)
if size.x < source.width {
step_size.x = source.width / size.x
}
if size.y < source.height {
step_size.y = source.height / size.y
}
one_up_step := size / (size - step_size * .(source.width, source.height))
pos = .(0, 0)
loop if pos.y >= size.y break else {
loop if pos.x >= size.x break else {
*surface_idx = *@inline(surfaceidx, source, source_pos.x, source_pos.y)
surface_idx += step.x
if size.x < source.width {
if source_pos.x % one_up_step.x == 0 {
source_pos.x += 1
}
source_pos.x += step_size.x
} else {
subpixel_pos.x += 1
if subpixel_pos.x > step_size.x | source_pos.x % one_up_step.x == 0 & subpixel_pos.x >= step_size.x {
source_pos.x += 1
subpixel_pos.x = 0
}
}
pos.x += 1
}
if size.y < source.width {
if source_pos.y % one_up_step.y == 0 {
source_pos.y += 1
}
source_pos.y += step_size.y
subpixel_pos.y += 1
if subpixel_pos.y > step_size.y | source_pos.y % one_up_step.y == 0 & subpixel_pos.y >= step_size.y {
source_pos.y += 1
subpixel_pos.y = 0
}
}
surface_idx += surface.width * step.y - size.x * step.x
source_pos.x = 0
pos.x = 0
pos.y += 1
}
return
}
// peony-made
put_trirect := fn(surface: Surface, pos: Vec2(int), size: Vec2(int), color0: Color, color1: Color): void {
step := Vec2(int).(1, 1)
@ -193,7 +263,7 @@ put_vline := fn(surface: Surface, x: int, y0: int, y1: int, color: Color): void
y := y0
loop if y == y1 break else {
*(surface.buf + @inline(screenidx, surface, x, y)) = color
*@inline(surfaceidx, surface, x, y) = color
y += 1
}
@ -210,7 +280,7 @@ put_hline := fn(surface: Surface, y: int, x0: int, x1: int, color: Color): void
x := x0
loop if x == x1 break else {
*(surface.buf + @inline(screenidx, surface, x, y)) = color
*@inline(surfaceidx, surface, x, y) = color
x += 1
}

View file

@ -0,0 +1,17 @@
.{Vec2} := @use("../../../../libraries/stn/src/lib.hb").math
render := @use("../../../../libraries/render/src/lib.hb")
bmp_1 := @embed("./assets/able.bmp")
bmp_2 := @embed("./assets/mini.bmp")
example := fn(): void {
screen := render.init(true)
image := render.image.surface_from_bmp(@bitcast(&bmp_2))
loop {
render.clear(screen, render.black)
render.put_scaled(screen, image, .(100, 100), .(image.width / 2 + image.width / 4, image.height * 3))
render.sync(screen)
}
}

View file

@ -1,3 +1,3 @@
.{example} := @use("./examples/surface.hb")
.{example} := @use("./examples/scale.hb")
main := example

View file

@ -20,8 +20,8 @@ resolution = "1600x900x24"
[boot.limine.ableos.modules]
[boot.limine.ableos.modules.tests]
path = "boot:///tests.hbf"
# [boot.limine.ableos.modules.tests]
# path = "boot:///tests.hbf"
# [boot.limine.ableos.modules.serial_driver]
# path = "boot:///serial_driver.hbf"
@ -29,8 +29,8 @@ path = "boot:///tests.hbf"
# [boot.limine.ableos.modules.diskio_driver]
# path = "boot:///diskio_driver.hbf"
# [boot.limine.ableos.modules.render_example]
# path = "boot:///render_example.hbf"
[boot.limine.ableos.modules.render_example]
path = "boot:///render_example.hbf"
# [boot.limine.ableos.modules.serial_driver_test]
# path = "boot:///serial_driver_test.hbf"