merge
This commit is contained in:
Laurent Le Goff
commit
a8724418ad
9
Makefile
9
Makefile
|
|
@ -1,5 +1,5 @@
|
|||
|
||||
include $(GOROOT)/src/Make.inc
|
||||
#include $(GOROOT)/src/Make.inc
|
||||
|
||||
all: install
|
||||
|
||||
|
|
@ -7,12 +7,14 @@ install:
|
|||
cd draw2d && make install
|
||||
cd draw2dgl && make install
|
||||
cd postscript && make install
|
||||
#cd wingui && make install
|
||||
|
||||
clean:
|
||||
cd draw2d && make clean
|
||||
cd draw2dgl && make clean
|
||||
cd postscript && make clean
|
||||
cd cmd && make clean
|
||||
#cd wingui && make clean
|
||||
|
||||
nuke:
|
||||
cd draw2d && make nuke
|
||||
|
|
@ -20,3 +22,8 @@ nuke:
|
|||
cd postscript && make nuke
|
||||
command:
|
||||
cd cmd && make
|
||||
#cd wingui && make nuke
|
||||
|
||||
fmt:
|
||||
gofmt -w draw2d postscript wingui cmd
|
||||
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
|
||||
include $(GOROOT)/src/Make.inc
|
||||
|
||||
TARG=gettingStarted testdraw2d testX11draw testandroid testgopher testimage testpostscript
|
||||
TARG=gettingStarted testdraw2d testX11draw testandroid testgopher testimage testpostscript testWalkDraw
|
||||
|
||||
OFILES=$(TARG:%=%.$O)
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,228 @@
|
|||
// Copyright 2011 The Go Authors. All rights reserved.
|
||||
// Use of this source code is governed by a BSD-style
|
||||
// license that can be found in the LICENSE file.
|
||||
|
||||
package main
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"syscall"
|
||||
"os"
|
||||
"unsafe"
|
||||
"image"
|
||||
"io/ioutil"
|
||||
"strings"
|
||||
"draw2d.googlecode.com/hg/draw2d"
|
||||
"draw2d.googlecode.com/hg/postscript"
|
||||
"draw2d.googlecode.com/hg/wingui"
|
||||
)
|
||||
|
||||
// some help functions
|
||||
|
||||
func abortf(format string, a ...interface{}) {
|
||||
fmt.Fprintf(os.Stdout, format, a...)
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
func abortErrNo(funcname string, err int) {
|
||||
abortf("%s failed: %d %s\n", funcname, err, syscall.Errstr(err))
|
||||
}
|
||||
|
||||
// global vars
|
||||
|
||||
|
||||
func TestDrawCubicCurve(gc draw2d.GraphicContext) {
|
||||
// draw a cubic curve
|
||||
x, y := 25.6, 128.0
|
||||
x1, y1 := 102.4, 230.4
|
||||
x2, y2 := 153.6, 25.6
|
||||
x3, y3 := 230.4, 128.0
|
||||
|
||||
gc.SetFillColor(image.NRGBAColor{0xAA, 0xAA, 0xAA, 0xFF})
|
||||
gc.SetLineWidth(10)
|
||||
gc.MoveTo(x, y)
|
||||
gc.CubicCurveTo(x1, y1, x2, y2, x3, y3)
|
||||
gc.Stroke()
|
||||
|
||||
gc.SetStrokeColor(image.NRGBAColor{0xFF, 0x33, 0x33, 0x88})
|
||||
|
||||
gc.SetLineWidth(6)
|
||||
// draw segment of curve
|
||||
gc.MoveTo(x, y)
|
||||
gc.LineTo(x1, y1)
|
||||
gc.LineTo(x2, y2)
|
||||
gc.LineTo(x3, y3)
|
||||
gc.Stroke()
|
||||
}
|
||||
|
||||
var (
|
||||
mh uint32
|
||||
wndBufferHeader uint32
|
||||
wndBuffer wingui.BITMAP
|
||||
hdcWndBuffer uint32
|
||||
ppvBits *image.RGBAColor
|
||||
backBuffer *image.RGBA
|
||||
postscriptContent string
|
||||
)
|
||||
|
||||
// WinProc called by windows to notify us of all windows events we might be interested in.
|
||||
func WndProc(hwnd, msg uint32, wparam, lparam int32) uintptr {
|
||||
var rc int32
|
||||
|
||||
switch msg {
|
||||
case wingui.WM_CREATE:
|
||||
hdc := wingui.GetDC(hwnd)
|
||||
wndBufferHeader = wingui.CreateCompatibleBitmap(hdc, 600, 800)
|
||||
wingui.GetObject(wndBufferHeader, unsafe.Sizeof(wndBuffer), uintptr(unsafe.Pointer(&wndBuffer)))
|
||||
hdcWndBuffer = wingui.CreateCompatibleDC(hdc)
|
||||
wingui.SelectObject(hdcWndBuffer, wndBufferHeader)
|
||||
|
||||
var bmp_header wingui.BITMAPINFOHEADER
|
||||
bmp_header.Size = uint32(unsafe.Sizeof(bmp_header))
|
||||
bmp_header.Width = 600
|
||||
bmp_header.Height = 800
|
||||
bmp_header.SizeImage = 0 // the api says this must be 0 for BI_RGB images
|
||||
bmp_header.Compression = wingui.BI_RGB
|
||||
bmp_header.BitCount = 32
|
||||
bmp_header.Planes = 1
|
||||
bmp_header.XPelsPerMeter = 0
|
||||
bmp_header.YPelsPerMeter = 0
|
||||
bmp_header.ClrUsed = 0
|
||||
bmp_header.ClrImportant = 0
|
||||
//bitmap info
|
||||
var bmpinfo wingui.BITMAPINFO
|
||||
bmpinfo.Colors[0].Blue = 0
|
||||
bmpinfo.Colors[0].Green = 0
|
||||
bmpinfo.Colors[0].Red = 0
|
||||
bmpinfo.Colors[0].Reserved = 0
|
||||
bmpinfo.Header = bmp_header
|
||||
wndBufferHeader = wingui.CreateDIBSection(hdc, &bmpinfo, wingui.DIB_RGB_COLORS, uintptr(unsafe.Pointer(&ppvBits)), 0, 0)
|
||||
wingui.GetObject(wndBufferHeader, unsafe.Sizeof(wndBufferHeader), uintptr(unsafe.Pointer(&wndBuffer)))
|
||||
hdcWndBuffer = wingui.CreateCompatibleDC(hdc)
|
||||
wingui.SelectObject(hdcWndBuffer, wndBufferHeader)
|
||||
|
||||
pixel := (*[600 * 800]image.RGBAColor)(unsafe.Pointer(ppvBits))
|
||||
pixelSlice := pixel[:]
|
||||
backBuffer = &image.RGBA{pixelSlice, 600, image.Rect(0, 0, 600, 800)}
|
||||
fmt.Println("Create windows")
|
||||
rc = wingui.DefWindowProc(hwnd, msg, wparam, lparam)
|
||||
case wingui.WM_COMMAND:
|
||||
switch uint32(lparam) {
|
||||
default:
|
||||
rc = wingui.DefWindowProc(hwnd, msg, wparam, lparam)
|
||||
}
|
||||
case wingui.WM_PAINT:
|
||||
var ps wingui.PAINTSTRUCT
|
||||
hdc := wingui.BeginPaint(hwnd, &ps)
|
||||
gc := draw2d.NewImageGraphicContext(backBuffer)
|
||||
gc.SetFillColor(image.RGBAColor{0xFF, 0xFF, 0xFF, 0xFF})
|
||||
gc.Clear()
|
||||
gc.Save()
|
||||
//gc.Translate(0, -380)
|
||||
interpreter := postscript.NewInterpreter(gc)
|
||||
reader := strings.NewReader(postscriptContent)
|
||||
interpreter.Execute(reader)
|
||||
gc.Restore()
|
||||
wingui.BitBlt(hdc, 0, 0, int(wndBuffer.Width), int(wndBuffer.Height), hdcWndBuffer, 0, 0, wingui.SRCCOPY)
|
||||
wingui.EndPaint(hwnd, &ps)
|
||||
rc = wingui.DefWindowProc(hwnd, msg, wparam, lparam)
|
||||
case wingui.WM_CLOSE:
|
||||
wingui.DestroyWindow(hwnd)
|
||||
case wingui.WM_DESTROY:
|
||||
wingui.PostQuitMessage(0)
|
||||
default:
|
||||
rc = wingui.DefWindowProc(hwnd, msg, wparam, lparam)
|
||||
}
|
||||
return uintptr(rc)
|
||||
}
|
||||
|
||||
func rungui() int {
|
||||
var e int
|
||||
|
||||
// GetModuleHandle
|
||||
mh, e = wingui.GetModuleHandle(nil)
|
||||
if e != 0 {
|
||||
abortErrNo("GetModuleHandle", e)
|
||||
}
|
||||
|
||||
// Get icon we're going to use.
|
||||
myicon, e := wingui.LoadIcon(0, wingui.IDI_APPLICATION)
|
||||
if e != 0 {
|
||||
abortErrNo("LoadIcon", e)
|
||||
}
|
||||
|
||||
// Get cursor we're going to use.
|
||||
mycursor, e := wingui.LoadCursor(0, wingui.IDC_ARROW)
|
||||
if e != 0 {
|
||||
abortErrNo("LoadCursor", e)
|
||||
}
|
||||
|
||||
// Create callback
|
||||
wproc := syscall.NewCallback(WndProc)
|
||||
|
||||
// RegisterClassEx
|
||||
wcname := syscall.StringToUTF16Ptr("Test Draw2d")
|
||||
var wc wingui.Wndclassex
|
||||
wc.Size = uint32(unsafe.Sizeof(wc))
|
||||
wc.WndProc = wproc
|
||||
wc.Instance = mh
|
||||
wc.Icon = myicon
|
||||
wc.Cursor = mycursor
|
||||
wc.Background = wingui.COLOR_BTNFACE + 1
|
||||
wc.MenuName = nil
|
||||
wc.ClassName = wcname
|
||||
wc.IconSm = myicon
|
||||
if _, e := wingui.RegisterClassEx(&wc); e != 0 {
|
||||
abortErrNo("RegisterClassEx", e)
|
||||
}
|
||||
|
||||
// CreateWindowEx
|
||||
wh, e := wingui.CreateWindowEx(
|
||||
wingui.WS_EX_CLIENTEDGE,
|
||||
wcname,
|
||||
syscall.StringToUTF16Ptr("My window"),
|
||||
wingui.WS_OVERLAPPEDWINDOW,
|
||||
wingui.CW_USEDEFAULT, wingui.CW_USEDEFAULT, 600, 800,
|
||||
0, 0, mh, 0)
|
||||
if e != 0 {
|
||||
abortErrNo("CreateWindowEx", e)
|
||||
}
|
||||
fmt.Printf("main window handle is %x\n", wh)
|
||||
|
||||
// ShowWindow
|
||||
wingui.ShowWindow(wh, wingui.SW_SHOWDEFAULT)
|
||||
|
||||
// UpdateWindow
|
||||
if e := wingui.UpdateWindow(wh); e != 0 {
|
||||
abortErrNo("UpdateWindow", e)
|
||||
}
|
||||
|
||||
// Process all windows messages until WM_QUIT.
|
||||
var m wingui.Msg
|
||||
for {
|
||||
r, e := wingui.GetMessage(&m, 0, 0, 0)
|
||||
if e != 0 {
|
||||
abortErrNo("GetMessage", e)
|
||||
}
|
||||
if r == 0 {
|
||||
// WM_QUIT received -> get out
|
||||
break
|
||||
}
|
||||
wingui.TranslateMessage(&m)
|
||||
wingui.DispatchMessage(&m)
|
||||
}
|
||||
return int(m.Wparam)
|
||||
}
|
||||
|
||||
func main() {
|
||||
src, err := os.Open("../resource/postscript/tiger.ps", 0, 0)
|
||||
if err != nil {
|
||||
fmt.Println("can't find postscript file.")
|
||||
return
|
||||
}
|
||||
defer src.Close()
|
||||
bytes, err := ioutil.ReadAll(src)
|
||||
postscriptContent = string(bytes)
|
||||
rc := rungui()
|
||||
os.Exit(rc)
|
||||
}
|
||||
|
|
@ -9,6 +9,7 @@ import (
|
|||
"image"
|
||||
"time"
|
||||
"image/png"
|
||||
"exp/draw"
|
||||
"draw2d.googlecode.com/hg/draw2d"
|
||||
)
|
||||
|
||||
|
|
@ -17,19 +18,19 @@ func saveToPngFile(filePath string, m image.Image) {
|
|||
f, err := os.Open(filePath, os.O_CREAT|os.O_WRONLY, 0600)
|
||||
if err != nil {
|
||||
log.Println(err)
|
||||
os.Exit(1)
|
||||
return
|
||||
}
|
||||
defer f.Close()
|
||||
b := bufio.NewWriter(f)
|
||||
err = png.Encode(b, m)
|
||||
if err != nil {
|
||||
log.Println(err)
|
||||
os.Exit(1)
|
||||
return
|
||||
}
|
||||
err = b.Flush()
|
||||
if err != nil {
|
||||
log.Println(err)
|
||||
os.Exit(1)
|
||||
return
|
||||
}
|
||||
fmt.Printf("Wrote %s OK.\n", filePath)
|
||||
}
|
||||
|
|
@ -52,29 +53,19 @@ func loadFromPngFile(filePath string) image.Image {
|
|||
}
|
||||
|
||||
|
||||
func testBubble(gc draw2d.GraphicContext) {
|
||||
gc.BeginPath()
|
||||
gc.MoveTo(75, 25)
|
||||
gc.QuadCurveTo(25, 25, 25, 62.5)
|
||||
gc.QuadCurveTo(25, 100, 50, 100)
|
||||
gc.QuadCurveTo(50, 120, 30, 125)
|
||||
gc.QuadCurveTo(60, 120, 65, 100)
|
||||
gc.QuadCurveTo(125, 100, 125, 62.5)
|
||||
gc.QuadCurveTo(125, 25, 75, 25)
|
||||
gc.Stroke()
|
||||
}
|
||||
|
||||
func main() {
|
||||
|
||||
source := loadFromPngFile("../resource/image/Varna_Railway_Station_HDR.png")
|
||||
i := image.NewRGBA(1024, 768)
|
||||
gc := draw2d.NewGraphicContext(i)
|
||||
gc.Scale(2, 0.5)
|
||||
//gc.Translate(75, 25)
|
||||
gc.Rotate(30 * math.Pi / 180)
|
||||
source := loadFromPngFile("../resource/image/TestAndroid.png")
|
||||
dest := image.NewRGBA(1024, 768)
|
||||
width, height := float64(source.Bounds().Dx()), float64(source.Bounds().Dy())
|
||||
tr := draw2d.NewIdentityMatrix()
|
||||
tr.Translate(width/2, height/2)
|
||||
tr.Rotate(30 * math.Pi / 180)
|
||||
//tr.Scale(3, 3)
|
||||
tr.Translate(-width/2, -height/2)
|
||||
tr.Translate(200, 5)
|
||||
lastTime := time.Nanoseconds()
|
||||
gc.DrawImage(source)
|
||||
draw2d.DrawImage(source, dest, tr, draw.Over, draw2d.BilinearFilter)
|
||||
dt := time.Nanoseconds() - lastTime
|
||||
fmt.Printf("Draw image: %f ms\n", float64(dt)*1e-6)
|
||||
saveToPngFile("../resource/result/TestDrawImage.png", i)
|
||||
saveToPngFile("../resource/result/TestDrawImage.png", dest)
|
||||
}
|
||||
|
|
|
|||
|
|
@ -20,5 +20,6 @@ GOFILES=\
|
|||
gc.go\
|
||||
paint.go\
|
||||
stack_gc.go\
|
||||
rgba_interpolation.go\
|
||||
|
||||
include $(GOROOT)/src/Make.pkg
|
||||
|
|
|
|||
|
|
@ -10,7 +10,7 @@ import (
|
|||
"freetype-go.googlecode.com/hg/freetype/raster"
|
||||
)
|
||||
|
||||
type Painter interface{
|
||||
type Painter interface {
|
||||
raster.Painter
|
||||
SetColor(color image.Color)
|
||||
}
|
||||
|
|
@ -48,7 +48,6 @@ func NewGraphicContext(img draw.Image) *ImageGraphicContext {
|
|||
ftContext.SetDPI(dpi)
|
||||
ftContext.SetClip(img.Bounds())
|
||||
ftContext.SetDst(img)
|
||||
|
||||
gc := &ImageGraphicContext{
|
||||
NewStackGraphicContext(),
|
||||
img,
|
||||
|
|
@ -58,7 +57,6 @@ func NewGraphicContext(img draw.Image) *ImageGraphicContext {
|
|||
ftContext,
|
||||
dpi,
|
||||
}
|
||||
|
||||
return gc
|
||||
}
|
||||
|
||||
|
|
@ -82,37 +80,10 @@ func (gc *ImageGraphicContext) ClearRect(x1, y1, x2, y2 int) {
|
|||
draw.Draw(gc.img, image.Rect(x1, y1, x2, y2), imageColor, image.ZP)
|
||||
}
|
||||
|
||||
func (gc *ImageGraphicContext) DrawImage(image image.Image) {
|
||||
width := raster.Fix32(gc.img.Bounds().Dx() * 256)
|
||||
height := raster.Fix32(gc.img.Bounds().Dy() * 256)
|
||||
|
||||
p0 := raster.Point{0, 0}
|
||||
p1 := raster.Point{0, 0}
|
||||
p2 := raster.Point{0, 0}
|
||||
p3 := raster.Point{0, 0}
|
||||
var i raster.Fix32 = 0
|
||||
for ; i < width; i += 256 {
|
||||
var j raster.Fix32 = 0
|
||||
for ; j < height; j += 256 {
|
||||
p0.X, p0.Y = i, j
|
||||
p1.X, p1.Y = p0.X+256, p0.Y
|
||||
p2.X, p2.Y = p1.X, p0.Y+256
|
||||
p3.X, p3.Y = p0.X, p2.Y
|
||||
|
||||
gc.current.Tr.TransformRasterPoint(&p0, &p1, &p2, &p3)
|
||||
gc.fillRasterizer.Start(p0)
|
||||
gc.fillRasterizer.Add1(p1)
|
||||
gc.fillRasterizer.Add1(p2)
|
||||
gc.fillRasterizer.Add1(p3)
|
||||
gc.fillRasterizer.Add1(p0)
|
||||
gc.painter.SetColor(image.At(int(i>>8), int(j>>8)))
|
||||
gc.fillRasterizer.Rasterize(gc.painter)
|
||||
gc.fillRasterizer.Clear()
|
||||
}
|
||||
}
|
||||
func (gc *ImageGraphicContext) DrawImage(img image.Image) {
|
||||
DrawImage(img, gc.img, gc.current.Tr, draw.Over, BilinearFilter)
|
||||
}
|
||||
|
||||
|
||||
func (gc *ImageGraphicContext) FillString(text string) (cursor float64) {
|
||||
gc.freetype.SetSrc(image.NewColorImage(gc.current.StrokeColor))
|
||||
// Draw the text.
|
||||
|
|
|
|||
|
|
@ -21,3 +21,31 @@ func squareDistance(x1, y1, x2, y2 float64) float64 {
|
|||
dy := y2 - y1
|
||||
return dx*dx + dy*dy
|
||||
}
|
||||
|
||||
func min(x, y float64) float64 {
|
||||
if x < y {
|
||||
return x
|
||||
}
|
||||
return y
|
||||
}
|
||||
|
||||
func max(x, y float64) float64 {
|
||||
if x > y {
|
||||
return x
|
||||
}
|
||||
return y
|
||||
}
|
||||
|
||||
func minMax(x, y float64) (min, max float64) {
|
||||
if x > y {
|
||||
return y, x
|
||||
}
|
||||
return x, y
|
||||
}
|
||||
|
||||
func minUint32(a, b uint32) uint32 {
|
||||
if a < b {
|
||||
return a
|
||||
}
|
||||
return b
|
||||
}
|
||||
|
|
|
|||
|
|
@ -19,13 +19,6 @@ type NRGBAPainter struct {
|
|||
cr, cg, cb, ca uint32
|
||||
}
|
||||
|
||||
func min(a, b uint32) uint32 {
|
||||
if a < b {
|
||||
return a
|
||||
}
|
||||
return b
|
||||
}
|
||||
|
||||
// Paint satisfies the Painter interface by painting ss onto an image.RGBA.
|
||||
func (r *NRGBAPainter) Paint(ss []raster.Span, done bool) {
|
||||
b := r.Image.Bounds()
|
||||
|
|
@ -57,9 +50,9 @@ func (r *NRGBAPainter) Paint(ss []raster.Span, done bool) {
|
|||
a := M - (r.ca*ma)/M
|
||||
da = (da*a + r.ca*ma) / M
|
||||
if da != 0 {
|
||||
dr = min(M, (dr*a+r.cr*ma)/da)
|
||||
dg = min(M, (dg*a+r.cg*ma)/da)
|
||||
db = min(M, (db*a+r.cb*ma)/da)
|
||||
dr = minUint32(M, (dr*a+r.cr*ma)/da)
|
||||
dg = minUint32(M, (dg*a+r.cg*ma)/da)
|
||||
db = minUint32(M, (db*a+r.cb*ma)/da)
|
||||
} else {
|
||||
dr, dg, db = 0, 0, 0
|
||||
}
|
||||
|
|
@ -71,9 +64,9 @@ func (r *NRGBAPainter) Paint(ss []raster.Span, done bool) {
|
|||
a := M - ma
|
||||
da = (da*a + r.ca*ma) / M
|
||||
if da != 0 {
|
||||
dr = min(M, (dr*a+r.cr*ma)/da)
|
||||
dg = min(M, (dg*a+r.cg*ma)/da)
|
||||
db = min(M, (db*a+r.cb*ma)/da)
|
||||
dr = minUint32(M, (dr*a+r.cr*ma)/da)
|
||||
dg = minUint32(M, (dg*a+r.cg*ma)/da)
|
||||
db = minUint32(M, (db*a+r.cb*ma)/da)
|
||||
} else {
|
||||
dr, dg, db = 0, 0, 0
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,154 @@
|
|||
// see http://pippin.gimp.org/image_processing/chap_resampling.html
|
||||
package draw2d
|
||||
|
||||
import (
|
||||
"exp/draw"
|
||||
"image"
|
||||
"math"
|
||||
)
|
||||
|
||||
type ImageFilter int
|
||||
|
||||
const (
|
||||
LinearFilter ImageFilter = iota
|
||||
BilinearFilter
|
||||
BicubicFilter
|
||||
)
|
||||
|
||||
//see http://pippin.gimp.org/image_processing/chap_resampling.html
|
||||
func getColorLinear(img image.Image, x, y float64) image.Color {
|
||||
return img.At(int(x), int(y))
|
||||
}
|
||||
|
||||
func getColorBilinear(img image.Image, x, y float64) image.Color {
|
||||
x0 := math.Floor(x)
|
||||
y0 := math.Floor(y)
|
||||
dx := x - x0
|
||||
dy := y - y0
|
||||
|
||||
c0 := img.At(int(x0), int(y0))
|
||||
c1 := img.At(int(x0+1), int(y0))
|
||||
c2 := img.At(int(x0+1), int(y0+1))
|
||||
c3 := img.At(int(x0), int(y0+1))
|
||||
rt, gt, bt, at := c0.RGBA()
|
||||
r0, g0, b0, a0 := float64(rt), float64(gt), float64(bt), float64(at)
|
||||
rt, gt, bt, at = c1.RGBA()
|
||||
r1, g1, b1, a1 := float64(rt), float64(gt), float64(bt), float64(at)
|
||||
rt, gt, bt, at = c2.RGBA()
|
||||
r2, g2, b2, a2 := float64(rt), float64(gt), float64(bt), float64(at)
|
||||
rt, gt, bt, at = c3.RGBA()
|
||||
r3, g3, b3, a3 := float64(rt), float64(gt), float64(bt), float64(at)
|
||||
r := int(lerp(lerp(r0, r1, dx), lerp(r3, r2, dx), dy))
|
||||
g := int(lerp(lerp(g0, g1, dx), lerp(g3, g2, dx), dy))
|
||||
b := int(lerp(lerp(b0, b1, dx), lerp(b3, b2, dx), dy))
|
||||
a := int(lerp(lerp(a0, a1, dx), lerp(a3, a2, dx), dy))
|
||||
return image.RGBAColor{uint8(r >> 8), uint8(g >> 8), uint8(b >> 8), uint8(a >> 8)}
|
||||
}
|
||||
/**
|
||||
-- LERP
|
||||
-- /lerp/, vi.,n.
|
||||
--
|
||||
-- Quasi-acronym for Linear Interpolation, used as a verb or noun for
|
||||
-- the operation. "Bresenham's algorithm lerps incrementally between the
|
||||
-- two endpoints of the line." (From Jargon File (4.4.4, 14 Aug 2003)
|
||||
*/
|
||||
func lerp(v1, v2, ratio float64) float64 {
|
||||
return v1*(1-ratio) + v2*ratio
|
||||
}
|
||||
|
||||
|
||||
func getColorCubicRow(img image.Image, x, y, offset float64) image.Color {
|
||||
c0 := img.At(int(x), int(y))
|
||||
c1 := img.At(int(x+1), int(y))
|
||||
c2 := img.At(int(x+2), int(y))
|
||||
c3 := img.At(int(x+3), int(y))
|
||||
rt, gt, bt, at := c0.RGBA()
|
||||
r0, g0, b0, a0 := float64(rt), float64(gt), float64(bt), float64(at)
|
||||
rt, gt, bt, at = c1.RGBA()
|
||||
r1, g1, b1, a1 := float64(rt), float64(gt), float64(bt), float64(at)
|
||||
rt, gt, bt, at = c2.RGBA()
|
||||
r2, g2, b2, a2 := float64(rt), float64(gt), float64(bt), float64(at)
|
||||
rt, gt, bt, at = c3.RGBA()
|
||||
r3, g3, b3, a3 := float64(rt), float64(gt), float64(bt), float64(at)
|
||||
r, g, b, a := cubic(offset, r0, r1, r2, r3), cubic(offset, g0, g1, g2, g3), cubic(offset, b0, b1, b2, b3), cubic(offset, a0, a1, a2, a3)
|
||||
return image.RGBAColor{uint8(r >> 8), uint8(g >> 8), uint8(b >> 8), uint8(a >> 8)}
|
||||
}
|
||||
|
||||
func getColorBicubic(img image.Image, x, y float64) image.Color {
|
||||
x0 := math.Floor(x)
|
||||
y0 := math.Floor(y)
|
||||
dx := x - x0
|
||||
dy := y - y0
|
||||
c0 := getColorCubicRow(img, x0-1, y0-1, dx)
|
||||
c1 := getColorCubicRow(img, x0-1, y0, dx)
|
||||
c2 := getColorCubicRow(img, x0-1, y0+1, dx)
|
||||
c3 := getColorCubicRow(img, x0-1, y0+2, dx)
|
||||
rt, gt, bt, at := c0.RGBA()
|
||||
r0, g0, b0, a0 := float64(rt), float64(gt), float64(bt), float64(at)
|
||||
rt, gt, bt, at = c1.RGBA()
|
||||
r1, g1, b1, a1 := float64(rt), float64(gt), float64(bt), float64(at)
|
||||
rt, gt, bt, at = c2.RGBA()
|
||||
r2, g2, b2, a2 := float64(rt), float64(gt), float64(bt), float64(at)
|
||||
rt, gt, bt, at = c3.RGBA()
|
||||
r3, g3, b3, a3 := float64(rt), float64(gt), float64(bt), float64(at)
|
||||
r, g, b, a := cubic(dy, r0, r1, r2, r3), cubic(dy, g0, g1, g2, g3), cubic(dy, b0, b1, b2, b3), cubic(dy, a0, a1, a2, a3)
|
||||
return image.RGBAColor{uint8(r >> 8), uint8(g >> 8), uint8(b >> 8), uint8(a >> 8)}
|
||||
}
|
||||
|
||||
func cubic(offset, v0, v1, v2, v3 float64) uint32 {
|
||||
// offset is the offset of the sampled value between v1 and v2
|
||||
return uint32(((((-7*v0+21*v1-21*v2+7*v3)*offset+
|
||||
(15*v0-36*v1+27*v2-6*v3))*offset+
|
||||
(-9*v0+9*v2))*offset + (v0 + 16*v1 + v2)) / 18.0)
|
||||
}
|
||||
|
||||
func compose(c1, c2 image.Color) image.Color {
|
||||
r1, g1, b1, a1 := c1.RGBA()
|
||||
r2, g2, b2, a2 := c2.RGBA()
|
||||
ia := M - a2
|
||||
r := ((r1 * ia) / M) + r2
|
||||
g := ((g1 * ia) / M) + g2
|
||||
b := ((b1 * ia) / M) + b2
|
||||
a := ((a1 * ia) / M) + a2
|
||||
return image.RGBAColor{uint8(r >> 8), uint8(g >> 8), uint8(b >> 8), uint8(a >> 8)}
|
||||
}
|
||||
|
||||
|
||||
func DrawImage(src image.Image, dest draw.Image, tr MatrixTransform, op draw.Op, filter ImageFilter) {
|
||||
bounds := src.Bounds()
|
||||
x0, y0, x1, y1 := float64(bounds.Min.X), float64(bounds.Min.Y), float64(bounds.Max.X), float64(bounds.Max.Y)
|
||||
tr.TransformRectangle(&x0, &y0, &x1, &y1)
|
||||
var x, y, u, v float64
|
||||
var c1, c2, cr image.Color
|
||||
var r, g, b, a, ia, r1, g1, b1, a1, r2, g2, b2, a2 uint32
|
||||
for x = x0; x < x1; x++ {
|
||||
for y = y0; y < y1; y++ {
|
||||
u = x
|
||||
v = y
|
||||
tr.InverseTransform(&u, &v)
|
||||
c1 = dest.At(int(x), int(y))
|
||||
switch filter {
|
||||
case LinearFilter:
|
||||
c2 = src.At(int(u), int(v))
|
||||
case BilinearFilter:
|
||||
c2 = getColorBilinear(src, u, v)
|
||||
case BicubicFilter:
|
||||
c2 = getColorBicubic(src, u, v)
|
||||
}
|
||||
switch op {
|
||||
case draw.Over:
|
||||
r1, g1, b1, a1 = c1.RGBA()
|
||||
r2, g2, b2, a2 = c2.RGBA()
|
||||
ia = M - a2
|
||||
r = ((r1 * ia) / M) + r2
|
||||
g = ((g1 * ia) / M) + g2
|
||||
b = ((b1 * ia) / M) + b2
|
||||
a = ((a1 * ia) / M) + a2
|
||||
cr = image.RGBAColor{uint8(r >> 8), uint8(g >> 8), uint8(b >> 8), uint8(a >> 8)}
|
||||
default:
|
||||
cr = c2
|
||||
}
|
||||
dest.Set(int(x), int(y), cr)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -26,6 +26,23 @@ func (tr MatrixTransform) Transform(points ...*float64) {
|
|||
}
|
||||
}
|
||||
|
||||
func (tr MatrixTransform) TransformRectangle(x0, y0, x2, y2 *float64) {
|
||||
x1 := *x2
|
||||
y1 := *y0
|
||||
x3 := *x0
|
||||
y3 := *y2
|
||||
tr.Transform(x0, y0, &x1, &y1, x2, y2, &x3, &y3)
|
||||
*x0, x1 = minMax(*x0, x1)
|
||||
*x2, x3 = minMax(*x2, x3)
|
||||
*y0, y1 = minMax(*y0, y1)
|
||||
*y2, y3 = minMax(*y2, y3)
|
||||
|
||||
*x0 = min(*x0, *x2)
|
||||
*y0 = min(*y0, *y2)
|
||||
*x2 = max(x1, x3)
|
||||
*y2 = max(y1, y3)
|
||||
}
|
||||
|
||||
func (tr MatrixTransform) TransformRasterPoint(points ...*raster.Point) {
|
||||
for _, point := range points {
|
||||
x := float64(point.X) / 256
|
||||
|
|
@ -127,33 +144,30 @@ func (tr1 MatrixTransform) Multiply(tr2 MatrixTransform) MatrixTransform {
|
|||
|
||||
|
||||
func (tr *MatrixTransform) Scale(sx, sy float64) *MatrixTransform {
|
||||
tr[0] = tr[0] * sx
|
||||
tr[1] = tr[1] * sx
|
||||
tr[4] = tr[4] * sx
|
||||
tr[2] = tr[2] * sy
|
||||
tr[3] = tr[3] * sy
|
||||
tr[5] = tr[5] * sy
|
||||
tr[0] = sx * tr[0]
|
||||
tr[1] = sx * tr[1]
|
||||
tr[2] = sy * tr[2]
|
||||
tr[3] = sy * tr[3]
|
||||
return tr
|
||||
}
|
||||
|
||||
func (tr *MatrixTransform) Translate(tx, ty float64) *MatrixTransform {
|
||||
tr[4] = tr[4] + tx
|
||||
tr[5] = tr[5] + ty
|
||||
tr[4] = tx*tr[0] + ty*tr[2] + tr[4]
|
||||
tr[5] = ty*tr[3] + tx*tr[1] + tr[5]
|
||||
return tr
|
||||
}
|
||||
|
||||
func (tr *MatrixTransform) Rotate(angle float64) *MatrixTransform {
|
||||
ca := math.Cos(angle)
|
||||
sa := math.Sin(angle)
|
||||
t0 := tr[0]*ca - tr[1]*sa
|
||||
t2 := tr[1]*ca - tr[3]*sa
|
||||
t4 := tr[4]*ca - tr[5]*sa
|
||||
tr[1] = tr[0]*sa + tr[1]*ca
|
||||
tr[3] = tr[2]*sa + tr[3]*ca
|
||||
tr[5] = tr[4]*sa + tr[5]*ca
|
||||
c := math.Cos(angle)
|
||||
s := math.Sin(angle)
|
||||
t0 := c*tr[0] + s*tr[2]
|
||||
t1 := s*tr[3] + c*tr[1]
|
||||
t2 := c*tr[2] - s*tr[0]
|
||||
t3 := c*tr[3] - s*tr[1]
|
||||
tr[0] = t0
|
||||
tr[1] = t1
|
||||
tr[2] = t2
|
||||
tr[4] = t4
|
||||
tr[3] = t3
|
||||
return tr
|
||||
}
|
||||
|
||||
|
|
|
|||
Binary file not shown.
|
After Width: | Height: | Size: 4.5 KiB |
Binary file not shown.
|
Before Width: | Height: | Size: 650 KiB After Width: | Height: | Size: 23 KiB |
|
|
@ -0,0 +1,10 @@
|
|||
include $(GOROOT)/src/Make.inc
|
||||
|
||||
TARG=draw2d.googlecode.com/hg/wingui
|
||||
GOFILES=\
|
||||
winapi.go\
|
||||
wingdi.go\
|
||||
zwinapi.go\
|
||||
|
||||
|
||||
include $(GOROOT)/src/Make.pkg
|
||||
|
|
@ -0,0 +1,155 @@
|
|||
// Copyright 2011 The Go Authors. All rights reserved.
|
||||
// Use of this source code is governed by a BSD-style
|
||||
// license that can be found in the LICENSE file.
|
||||
package wingui
|
||||
|
||||
import (
|
||||
"syscall"
|
||||
"unsafe"
|
||||
"fmt"
|
||||
"os"
|
||||
)
|
||||
|
||||
|
||||
func abortf(format string, a ...interface{}) {
|
||||
fmt.Fprintf(os.Stdout, format, a...)
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
func loadDll(fname string) uint32 {
|
||||
h, e := syscall.LoadLibrary(fname)
|
||||
if e != 0 {
|
||||
abortf("LoadLibrary(%s) failed with err=%d.\n", fname, e)
|
||||
}
|
||||
return h
|
||||
}
|
||||
|
||||
func getSysProcAddr(m uint32, pname string) uintptr {
|
||||
p, e := syscall.GetProcAddress(m, pname)
|
||||
if e != 0 {
|
||||
abortf("GetProcAddress(%s) failed with err=%d.\n", pname, e)
|
||||
}
|
||||
return uintptr(p)
|
||||
}
|
||||
|
||||
type Wndclassex struct {
|
||||
Size uint32
|
||||
Style uint32
|
||||
WndProc uintptr
|
||||
ClsExtra int32
|
||||
WndExtra int32
|
||||
Instance uint32
|
||||
Icon uint32
|
||||
Cursor uint32
|
||||
Background uint32
|
||||
MenuName *uint16
|
||||
ClassName *uint16
|
||||
IconSm uint32
|
||||
}
|
||||
|
||||
type Point struct {
|
||||
X int32
|
||||
Y int32
|
||||
}
|
||||
|
||||
type Msg struct {
|
||||
Hwnd uint32
|
||||
Message uint32
|
||||
Wparam int32
|
||||
Lparam int32
|
||||
Time uint32
|
||||
Pt Point
|
||||
}
|
||||
|
||||
const (
|
||||
// Window styles
|
||||
WS_OVERLAPPED = 0
|
||||
WS_POPUP = 0x80000000
|
||||
WS_CHILD = 0x40000000
|
||||
WS_MINIMIZE = 0x20000000
|
||||
WS_VISIBLE = 0x10000000
|
||||
WS_DISABLED = 0x8000000
|
||||
WS_CLIPSIBLINGS = 0x4000000
|
||||
WS_CLIPCHILDREN = 0x2000000
|
||||
WS_MAXIMIZE = 0x1000000
|
||||
WS_CAPTION = WS_BORDER | WS_DLGFRAME
|
||||
WS_BORDER = 0x800000
|
||||
WS_DLGFRAME = 0x400000
|
||||
WS_VSCROLL = 0x200000
|
||||
WS_HSCROLL = 0x100000
|
||||
WS_SYSMENU = 0x80000
|
||||
WS_THICKFRAME = 0x40000
|
||||
WS_GROUP = 0x20000
|
||||
WS_TABSTOP = 0x10000
|
||||
WS_MINIMIZEBOX = 0x20000
|
||||
WS_MAXIMIZEBOX = 0x10000
|
||||
WS_TILED = WS_OVERLAPPED
|
||||
WS_ICONIC = WS_MINIMIZE
|
||||
WS_SIZEBOX = WS_THICKFRAME
|
||||
// Common Window Styles
|
||||
WS_OVERLAPPEDWINDOW = WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX
|
||||
WS_TILEDWINDOW = WS_OVERLAPPEDWINDOW
|
||||
WS_POPUPWINDOW = WS_POPUP | WS_BORDER | WS_SYSMENU
|
||||
WS_CHILDWINDOW = WS_CHILD
|
||||
|
||||
WS_EX_CLIENTEDGE = 0x200
|
||||
|
||||
// Some windows messages
|
||||
WM_CREATE = 1
|
||||
WM_DESTROY = 2
|
||||
WM_CLOSE = 16
|
||||
WM_COMMAND = 273
|
||||
|
||||
// Some button control styles
|
||||
BS_DEFPUSHBUTTON = 1
|
||||
|
||||
// Some colour constants
|
||||
COLOR_WINDOW = 5
|
||||
COLOR_BTNFACE = 15
|
||||
|
||||
// Default window position
|
||||
CW_USEDEFAULT = 0x80000000 - 0x100000000
|
||||
|
||||
// Show window default style
|
||||
SW_SHOWDEFAULT = 10
|
||||
)
|
||||
|
||||
var (
|
||||
// Some globaly known cusrors
|
||||
IDC_ARROW = MakeIntResource(32512)
|
||||
IDC_IBEAM = MakeIntResource(32513)
|
||||
IDC_WAIT = MakeIntResource(32514)
|
||||
IDC_CROSS = MakeIntResource(32515)
|
||||
|
||||
// Some globaly known icons
|
||||
IDI_APPLICATION = MakeIntResource(32512)
|
||||
IDI_HAND = MakeIntResource(32513)
|
||||
IDI_QUESTION = MakeIntResource(32514)
|
||||
IDI_EXCLAMATION = MakeIntResource(32515)
|
||||
IDI_ASTERISK = MakeIntResource(32516)
|
||||
IDI_WINLOGO = MakeIntResource(32517)
|
||||
IDI_WARNING = IDI_EXCLAMATION
|
||||
IDI_ERROR = IDI_HAND
|
||||
IDI_INFORMATION = IDI_ASTERISK
|
||||
)
|
||||
|
||||
//sys GetModuleHandle(modname *uint16) (handle uint32, errno int) = GetModuleHandleW
|
||||
//sys RegisterClassEx(wndclass *Wndclassex) (atom uint16, errno int) = user32.RegisterClassExW
|
||||
//sys CreateWindowEx(exstyle uint32, classname *uint16, windowname *uint16, style uint32, x int32, y int32, width int32, height int32, wndparent uint32, menu uint32, instance uint32, param uintptr) (hwnd uint32, errno int) = user32.CreateWindowExW
|
||||
//sys DefWindowProc(hwnd uint32, msg uint32, wparam int32, lparam int32) (lresult int32) = user32.DefWindowProcW
|
||||
//sys DestroyWindow(hwnd uint32) (errno int) = user32.DestroyWindow
|
||||
//sys PostQuitMessage(exitcode int32) = user32.PostQuitMessage
|
||||
//sys ShowWindow(hwnd uint32, cmdshow int32) (wasvisible bool) = user32.ShowWindow
|
||||
//sys UpdateWindow(hwnd uint32) (errno int) = user32.UpdateWindow
|
||||
//sys GetMessage(msg *Msg, hwnd uint32, MsgFilterMin uint32, MsgFilterMax uint32) (ret int32, errno int) [failretval==-1] = user32.GetMessageW
|
||||
//sys TranslateMessage(msg *Msg) (done bool) = user32.TranslateMessage
|
||||
//sys DispatchMessage(msg *Msg) (ret int32) = user32.DispatchMessageW
|
||||
//sys LoadIcon(instance uint32, iconname *uint16) (icon uint32, errno int) = user32.LoadIconW
|
||||
//sys LoadCursor(instance uint32, cursorname *uint16) (cursor uint32, errno int) = user32.LoadCursorW
|
||||
//sys SetCursor(cursor uint32) (precursor uint32, errno int) = user32.SetCursor
|
||||
//sys SendMessage(hwnd uint32, msg uint32, wparam int32, lparam int32) (lresult int32) = user32.SendMessageW
|
||||
//sys PostMessage(hwnd uint32, msg uint32, wparam int32, lparam int32) (errno int) = user32.PostMessageW
|
||||
|
||||
func MakeIntResource(id uint16) *uint16 {
|
||||
return (*uint16)(unsafe.Pointer(uintptr(id)))
|
||||
}
|
||||
|
|
@ -0,0 +1,132 @@
|
|||
package wingui
|
||||
|
||||
import (
|
||||
"syscall"
|
||||
"unsafe"
|
||||
)
|
||||
|
||||
const (
|
||||
WM_PAINT = 15
|
||||
|
||||
BI_RGB = 0
|
||||
|
||||
DIB_PAL_COLORS = 1
|
||||
DIB_RGB_COLORS = 0
|
||||
|
||||
SRCCOPY = 0xCC0020
|
||||
)
|
||||
|
||||
type RECT struct {
|
||||
Left int32
|
||||
Top int32
|
||||
Right int32
|
||||
Bottom int32
|
||||
}
|
||||
|
||||
type PAINTSTRUCT struct {
|
||||
HDC uint32
|
||||
Erase int32 // bool
|
||||
RcPaint RECT
|
||||
Restore int32 // bool
|
||||
IncUpdate int32 // bool
|
||||
rgbReserved [32]byte
|
||||
}
|
||||
|
||||
type BITMAP struct {
|
||||
Type int32
|
||||
Width int32
|
||||
Height int32
|
||||
WidthBytes int32
|
||||
Planes uint16
|
||||
BitsPixel uint16
|
||||
Bits *byte
|
||||
}
|
||||
|
||||
type BITMAPINFOHEADER struct {
|
||||
Size uint32
|
||||
Width int32
|
||||
Height int32
|
||||
Planes uint16
|
||||
BitCount uint16
|
||||
Compression uint32
|
||||
SizeImage uint32
|
||||
XPelsPerMeter int32
|
||||
YPelsPerMeter int32
|
||||
ClrUsed uint32
|
||||
ClrImportant uint32
|
||||
}
|
||||
|
||||
type BITMAPINFO struct {
|
||||
Header BITMAPINFOHEADER
|
||||
Colors [1]RGBQUAD
|
||||
}
|
||||
|
||||
type RGBQUAD struct {
|
||||
Blue byte
|
||||
Green byte
|
||||
Red byte
|
||||
Reserved byte
|
||||
}
|
||||
|
||||
var (
|
||||
modgdi32 = loadDll("gdi32.dll")
|
||||
|
||||
procGetDC = getSysProcAddr(moduser32, "GetDC")
|
||||
procCreateCompatibleDC = getSysProcAddr(modgdi32, "CreateCompatibleDC")
|
||||
procGetObject = getSysProcAddr(modgdi32, "GetObjectW")
|
||||
procSelectObject = getSysProcAddr(modgdi32, "SelectObject")
|
||||
procBeginPaint = getSysProcAddr(moduser32, "BeginPaint")
|
||||
procEndPaint = getSysProcAddr(moduser32, "EndPaint")
|
||||
procCreateCompatibleBitmap = getSysProcAddr(modgdi32, "CreateCompatibleBitmap")
|
||||
procCreateDIBSection = getSysProcAddr(modgdi32, "CreateDIBSection")
|
||||
procBitBlt = getSysProcAddr(modgdi32, "BitBlt")
|
||||
)
|
||||
|
||||
func GetDC(hwnd uint32) (hdc uint32) {
|
||||
r0, _, _ := syscall.Syscall(procGetDC, 1, uintptr(hwnd), 0, 0)
|
||||
hdc = uint32(r0)
|
||||
return hdc
|
||||
}
|
||||
|
||||
func CreateCompatibleDC(hwnd uint32) (hdc uint32) {
|
||||
r0, _, _ := syscall.Syscall(procCreateCompatibleDC, 1, uintptr(hwnd), 0, 0)
|
||||
hdc = uint32(r0)
|
||||
return hdc
|
||||
}
|
||||
|
||||
func GetObject(hgdiobj uint32, cbBuffer int, object uintptr) (size uint32) {
|
||||
r0, _, _ := syscall.Syscall(procGetObject, 3, uintptr(hgdiobj), uintptr(cbBuffer), object)
|
||||
size = uint32(r0)
|
||||
return size
|
||||
}
|
||||
|
||||
func SelectObject(hdc uint32, hgdiobj uint32) uint32 {
|
||||
r0, _, _ := syscall.Syscall(procSelectObject, 2, uintptr(hdc), uintptr(hgdiobj), 0)
|
||||
return uint32(r0)
|
||||
}
|
||||
|
||||
func BeginPaint(hwnd uint32, ps *PAINTSTRUCT) (hdc uint32) {
|
||||
r0, _, _ := syscall.Syscall(procBeginPaint, 2, uintptr(hwnd), uintptr(unsafe.Pointer(ps)), 0)
|
||||
hdc = uint32(r0)
|
||||
return hdc
|
||||
}
|
||||
|
||||
func EndPaint(hwnd uint32, ps *PAINTSTRUCT) bool {
|
||||
syscall.Syscall(procEndPaint, 2, uintptr(hwnd), uintptr(unsafe.Pointer(ps)), 0)
|
||||
return true
|
||||
}
|
||||
|
||||
func CreateCompatibleBitmap(hdc uint32, width, height int) (hbitmap uint32) {
|
||||
r0, _, _ := syscall.Syscall(procCreateCompatibleBitmap, 3, uintptr(hdc), uintptr(width), uintptr(height))
|
||||
return uint32(r0)
|
||||
}
|
||||
|
||||
func CreateDIBSection(hdc uint32, pbmi *BITMAPINFO, iUsage uint, ppvBits uintptr, hSection uint32, dwOffset uint32) (hbitmap uint32) {
|
||||
r0, _, _ := syscall.Syscall6(procCreateDIBSection, 6, uintptr(hdc), uintptr(unsafe.Pointer(pbmi)), uintptr(iUsage), ppvBits, uintptr(hSection), uintptr(dwOffset))
|
||||
return uint32(r0)
|
||||
}
|
||||
|
||||
func BitBlt(hdc uint32, nXDest, nYDest, nWidth, nHeight int, hdcSrc uint32, nXSrc, nYSrc int, dwRop uint32) bool {
|
||||
r0, _, _ := syscall.Syscall9(procBitBlt, 9, uintptr(hdc), uintptr(nXDest), uintptr(nYDest), uintptr(nWidth), uintptr(nHeight), uintptr(hdcSrc), uintptr(nXSrc), uintptr(nYSrc), uintptr(dwRop))
|
||||
return r0 != 0
|
||||
}
|
||||
|
|
@ -0,0 +1,209 @@
|
|||
package wingui
|
||||
|
||||
|
||||
import "unsafe"
|
||||
import "syscall"
|
||||
|
||||
var (
|
||||
modkernel32 = loadDll("kernel32.dll")
|
||||
moduser32 = loadDll("user32.dll")
|
||||
|
||||
procGetModuleHandleW = getSysProcAddr(modkernel32, "GetModuleHandleW")
|
||||
procRegisterClassExW = getSysProcAddr(moduser32, "RegisterClassExW")
|
||||
procCreateWindowExW = getSysProcAddr(moduser32, "CreateWindowExW")
|
||||
procDefWindowProcW = getSysProcAddr(moduser32, "DefWindowProcW")
|
||||
procDestroyWindow = getSysProcAddr(moduser32, "DestroyWindow")
|
||||
procPostQuitMessage = getSysProcAddr(moduser32, "PostQuitMessage")
|
||||
procShowWindow = getSysProcAddr(moduser32, "ShowWindow")
|
||||
procUpdateWindow = getSysProcAddr(moduser32, "UpdateWindow")
|
||||
procGetMessageW = getSysProcAddr(moduser32, "GetMessageW")
|
||||
procTranslateMessage = getSysProcAddr(moduser32, "TranslateMessage")
|
||||
procDispatchMessageW = getSysProcAddr(moduser32, "DispatchMessageW")
|
||||
procLoadIconW = getSysProcAddr(moduser32, "LoadIconW")
|
||||
procLoadCursorW = getSysProcAddr(moduser32, "LoadCursorW")
|
||||
procSetCursor = getSysProcAddr(moduser32, "SetCursor")
|
||||
procSendMessageW = getSysProcAddr(moduser32, "SendMessageW")
|
||||
procPostMessageW = getSysProcAddr(moduser32, "PostMessageW")
|
||||
)
|
||||
|
||||
func GetModuleHandle(modname *uint16) (handle uint32, errno int) {
|
||||
r0, _, e1 := syscall.Syscall(procGetModuleHandleW, 1, uintptr(unsafe.Pointer(modname)), 0, 0)
|
||||
handle = uint32(r0)
|
||||
if handle == 0 {
|
||||
if e1 != 0 {
|
||||
errno = int(e1)
|
||||
} else {
|
||||
errno = syscall.EINVAL
|
||||
}
|
||||
} else {
|
||||
errno = 0
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func RegisterClassEx(wndclass *Wndclassex) (atom uint16, errno int) {
|
||||
r0, _, e1 := syscall.Syscall(procRegisterClassExW, 1, uintptr(unsafe.Pointer(wndclass)), 0, 0)
|
||||
atom = uint16(r0)
|
||||
if atom == 0 {
|
||||
if e1 != 0 {
|
||||
errno = int(e1)
|
||||
} else {
|
||||
errno = syscall.EINVAL
|
||||
}
|
||||
} else {
|
||||
errno = 0
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func CreateWindowEx(exstyle uint32, classname *uint16, windowname *uint16, style uint32, x int32, y int32, width int32, height int32, wndparent uint32, menu uint32, instance uint32, param uintptr) (hwnd uint32, errno int) {
|
||||
r0, _, e1 := syscall.Syscall12(procCreateWindowExW, 12, uintptr(exstyle), uintptr(unsafe.Pointer(classname)), uintptr(unsafe.Pointer(windowname)), uintptr(style), uintptr(x), uintptr(y), uintptr(width), uintptr(height), uintptr(wndparent), uintptr(menu), uintptr(instance), uintptr(param))
|
||||
hwnd = uint32(r0)
|
||||
if hwnd == 0 {
|
||||
if e1 != 0 {
|
||||
errno = int(e1)
|
||||
} else {
|
||||
errno = syscall.EINVAL
|
||||
}
|
||||
} else {
|
||||
errno = 0
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func DefWindowProc(hwnd uint32, msg uint32, wparam int32, lparam int32) (lresult int32) {
|
||||
r0, _, _ := syscall.Syscall6(procDefWindowProcW, 4, uintptr(hwnd), uintptr(msg), uintptr(wparam), uintptr(lparam), 0, 0)
|
||||
lresult = int32(r0)
|
||||
return
|
||||
}
|
||||
|
||||
func DestroyWindow(hwnd uint32) (errno int) {
|
||||
r1, _, e1 := syscall.Syscall(procDestroyWindow, 1, uintptr(hwnd), 0, 0)
|
||||
if int(r1) == 0 {
|
||||
if e1 != 0 {
|
||||
errno = int(e1)
|
||||
} else {
|
||||
errno = syscall.EINVAL
|
||||
}
|
||||
} else {
|
||||
errno = 0
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func PostQuitMessage(exitcode int32) {
|
||||
syscall.Syscall(procPostQuitMessage, 1, uintptr(exitcode), 0, 0)
|
||||
return
|
||||
}
|
||||
|
||||
func ShowWindow(hwnd uint32, cmdshow int32) (wasvisible bool) {
|
||||
r0, _, _ := syscall.Syscall(procShowWindow, 2, uintptr(hwnd), uintptr(cmdshow), 0)
|
||||
wasvisible = bool(r0 != 0)
|
||||
return
|
||||
}
|
||||
|
||||
func UpdateWindow(hwnd uint32) (errno int) {
|
||||
r1, _, e1 := syscall.Syscall(procUpdateWindow, 1, uintptr(hwnd), 0, 0)
|
||||
if int(r1) == 0 {
|
||||
if e1 != 0 {
|
||||
errno = int(e1)
|
||||
} else {
|
||||
errno = syscall.EINVAL
|
||||
}
|
||||
} else {
|
||||
errno = 0
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func GetMessage(msg *Msg, hwnd uint32, MsgFilterMin uint32, MsgFilterMax uint32) (ret int32, errno int) {
|
||||
r0, _, e1 := syscall.Syscall6(procGetMessageW, 4, uintptr(unsafe.Pointer(msg)), uintptr(hwnd), uintptr(MsgFilterMin), uintptr(MsgFilterMax), 0, 0)
|
||||
ret = int32(r0)
|
||||
if ret == -1 {
|
||||
if e1 != 0 {
|
||||
errno = int(e1)
|
||||
} else {
|
||||
errno = syscall.EINVAL
|
||||
}
|
||||
} else {
|
||||
errno = 0
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func TranslateMessage(msg *Msg) (done bool) {
|
||||
r0, _, _ := syscall.Syscall(procTranslateMessage, 1, uintptr(unsafe.Pointer(msg)), 0, 0)
|
||||
done = bool(r0 != 0)
|
||||
return
|
||||
}
|
||||
|
||||
func DispatchMessage(msg *Msg) (ret int32) {
|
||||
r0, _, _ := syscall.Syscall(procDispatchMessageW, 1, uintptr(unsafe.Pointer(msg)), 0, 0)
|
||||
ret = int32(r0)
|
||||
return
|
||||
}
|
||||
|
||||
func LoadIcon(instance uint32, iconname *uint16) (icon uint32, errno int) {
|
||||
r0, _, e1 := syscall.Syscall(procLoadIconW, 2, uintptr(instance), uintptr(unsafe.Pointer(iconname)), 0)
|
||||
icon = uint32(r0)
|
||||
if icon == 0 {
|
||||
if e1 != 0 {
|
||||
errno = int(e1)
|
||||
} else {
|
||||
errno = syscall.EINVAL
|
||||
}
|
||||
} else {
|
||||
errno = 0
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func LoadCursor(instance uint32, cursorname *uint16) (cursor uint32, errno int) {
|
||||
r0, _, e1 := syscall.Syscall(procLoadCursorW, 2, uintptr(instance), uintptr(unsafe.Pointer(cursorname)), 0)
|
||||
cursor = uint32(r0)
|
||||
if cursor == 0 {
|
||||
if e1 != 0 {
|
||||
errno = int(e1)
|
||||
} else {
|
||||
errno = syscall.EINVAL
|
||||
}
|
||||
} else {
|
||||
errno = 0
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func SetCursor(cursor uint32) (precursor uint32, errno int) {
|
||||
r0, _, e1 := syscall.Syscall(procSetCursor, 1, uintptr(cursor), 0, 0)
|
||||
precursor = uint32(r0)
|
||||
if precursor == 0 {
|
||||
if e1 != 0 {
|
||||
errno = int(e1)
|
||||
} else {
|
||||
errno = syscall.EINVAL
|
||||
}
|
||||
} else {
|
||||
errno = 0
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func SendMessage(hwnd uint32, msg uint32, wparam int32, lparam int32) (lresult int32) {
|
||||
r0, _, _ := syscall.Syscall6(procSendMessageW, 4, uintptr(hwnd), uintptr(msg), uintptr(wparam), uintptr(lparam), 0, 0)
|
||||
lresult = int32(r0)
|
||||
return
|
||||
}
|
||||
|
||||
func PostMessage(hwnd uint32, msg uint32, wparam int32, lparam int32) (errno int) {
|
||||
r1, _, e1 := syscall.Syscall6(procPostMessageW, 4, uintptr(hwnd), uintptr(msg), uintptr(wparam), uintptr(lparam), 0, 0)
|
||||
if int(r1) == 0 {
|
||||
if e1 != 0 {
|
||||
errno = int(e1)
|
||||
} else {
|
||||
errno = syscall.EINVAL
|
||||
}
|
||||
} else {
|
||||
errno = 0
|
||||
}
|
||||
return
|
||||
}
|
||||
Loading…
Reference in New Issue