lordwelch/PresentationApp
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

add a preview image to the qml form

Browse Source
This commit is contained in:
lordwelch 2016-03-07 08:54:14 -08:00
parent 970bbfe143
commit 2cb1ac06e7
6 changed files with 100 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
imgprovider.go Normal file
View File

@ -0,0 +1,21 @@
// imgprovider.go
package main
import (
"fmt"
"image"
"strconv"
)
/*var imgproviderstr = `import QtQuick 2.4
Image {
source: "image://images/`*/
func imgProvider(id string, width, height int) image.Image {
var i int
fmt.Println("id: ", id)
i, _ = strconv.Atoi(id)
fmt.Println("haha: ", i)
return slides[i].getImage(width, height)
}

81
main.go
View File

@ -18,14 +18,16 @@ import (
type cell struct {
text string
img imagick.Image
qmlimg qml.Object
qmlcell qml.Object
index int
}
type slide []*cell
var (
x, y int
x0, y0 int
path string
qimg qml.Object
textEdit qml.Object
cellQml qml.Object
window *qml.Window
@ -62,6 +64,8 @@ func run() error {
}
engine := qml.NewEngine()
engine.AddImageProvider("images", imgProvider)
path, err = osext.ExecutableFolder()
path = filepath.Clean(path + "/../src/github.com/lordwelch/PresentationApp/")
@ -75,6 +79,11 @@ func run() error {
return err
}
qimg, err = engine.LoadFile(path + "/qml/img.qml")
if err != nil {
return err
}
window = mainQml.CreateWindow(nil)
textEdit = window.ObjectByName("textEdit")
@ -94,9 +103,9 @@ func run() error {
func setupScene() {
gl.ClearColor(0.1, 0.5, 0.9, 0.0)
mw1 = resizeImage(mw1, x, y, true, true)
mw1 = resizeImage(mw1, x0, y0, true, true)
tex1 = newTexture(*mw1)
tex1 = newTexture(*slides[0].getImage(x0, y0))
gl.MatrixMode(gl.PROJECTION)
gl.LoadIdentity()
@ -130,16 +139,7 @@ func drawSlide() {
}
func newTexture(mw imagick.MagickWand) uint32 {
x1 := mw.GetImageWidth()
y1 := mw.GetImageHeight()
rgba := image.NewRGBA(image.Rect(0, 0, int(x1), int(y1)))
if rgba.Stride != rgba.Rect.Size().X*4 {
panic("unsupported stride")
}
TPix, _ := mw.ExportImagePixels(0, 0, x1, y1, "RGBA", imagick.PIXEL_CHAR)
rgba.Pix = TPix.([]uint8)
func newTexture(rgba image.RGBA) uint32 {
var texture1 uint32
gl.Enable(gl.TEXTURE_2D)
gl.GenTextures(1, &texture1)
@ -164,27 +164,30 @@ func checkMon() {
glfw.WindowHint(glfw.ContextVersionMinor, 1)
glfw.WindowHint(glfw.AutoIconify, glfw.False)
glfw.WindowHint(glfw.Decorated, glfw.False)
if i := len(monitors); i < 2 {
fmt.Println("You only have 1 monitor!!!!!!!!!!! :-P")
x = 800
y = 600
win, err = glfw.CreateWindow(x, y, "Cube", nil, nil)
x0 = 800
y0 = 600
win, err = glfw.CreateWindow(x0, y0, "Cube", nil, nil)
if err != nil {
panic(err)
}
projMonitor = monitors[0]
} else {
fmt.Printf("You have %d monitors\n", i)
x = monitors[1].GetVideoMode().Width
y = monitors[1].GetVideoMode().Height
win, err = glfw.CreateWindow(x, y, "Cube", nil, nil)
x0 = monitors[1].GetVideoMode().Width
y0 = monitors[1].GetVideoMode().Height
win, err = glfw.CreateWindow(x0, y0, "Cube", nil, nil)
fmt.Println(win.GetPos())
win.SetPos(monitors[1].GetPos())
fmt.Println(x, y)
fmt.Println(x0, y0)
if err != nil {
panic(err)
}
projMonitor = monitors[1]
}
monitorInfo()
@ -259,6 +262,25 @@ func setSignals() {
}
func (cl cell) getImage(x, y int) (img *image.RGBA) {
mw := imagick.NewMagickWandFromImage(&cl.img)
if (x == 0) || (y == 0) {
x = int(mw.GetImageWidth())
y = int(mw.GetImageHeight())
}
mw = resizeImage(mw, x, y, true, true)
img = image.NewRGBA(image.Rect(0, 0, int(x), int(y)))
if img.Stride != img.Rect.Size().X*4 {
panic("unsupported stride")
}
// TPix, _ :=
Tpix, _ := mw.ExportImagePixels(0, 0, uint(x), uint(y), "RGBA", imagick.PIXEL_CHAR)
img.Pix = Tpix.([]uint8)
defer mw.Destroy()
return
}
func (cl *cell) setSignal() {
cl.qmlcell.ObjectByName("cellMouse").On("doubleClicked", func() {
@ -280,17 +302,28 @@ func (cl *cell) setSignal() {
func (sl *slide) addCell( /*cl *cell*/ ) {
var cl cell
cl.qmlcell = cellQml.Create(nil)
cl.qmlcell.Set("objectName", fmt.Sprintf("cellRect%d", cl.index))
cl.qmlcell.Set("parent", window.ObjectByName("data1"))
cl.index = len(*sl)
cl.qmlcell = cellQml.Create(nil)
cl.qmlcell.Set("objectName", fmt.Sprintf("cellRect%d", len(*sl)))
cl.qmlcell.Set("parent", window.ObjectByName("data1"))
cl.qmlcell.Set("index", cl.index)
mw := imagick.NewMagickWand()
mw.ReadImage("logo:")
cl.img = *mw.GetImageFromMagickWand()
cl.text = "testing 1... 2... 3..."
cl.qmlcell.ObjectByName("cellText").Set("text", cl.text)
*sl = append(*sl, &cl)
cl.setSignal()
cl.qmlimg = qimg.Create(nil)
cl.qmlimg.Set("objectName", fmt.Sprintf("cellImg%d", cl.index))
cl.qmlimg.Set("source", fmt.Sprintf("image://images/%d", cl.index))
cl.qmlimg.Set("parent", window.ObjectByName("data2"))
cl.qmlimg.Set("index", cl.index)
}
func (cl cell) String() string {

6
main.qml
View File

@ -3,6 +3,7 @@ import QtQuick.Dialogs 1.2
import QtQuick.Controls 1.3
import QtQuick.Window 2.0
import "qml"
import QtQuick.Layouts 1.2
ApplicationWindow {
id: applicationWindow1
@ -91,7 +92,7 @@ ApplicationWindow {
transformOrigin: Item.TopLeft
border.width: 0
Column {
ColumnLayout {
id: data1
objectName: "data1"
spacing: 1
@ -108,11 +109,12 @@ ApplicationWindow {
color: "#4f90e2"
border.width: 0
Column {
ColumnLayout {
id: data2
spacing: 1
objectName: "data2"
anchors.fill: parent
}
}
}

2
qml/AboutDialog.qml
View File

@ -1,4 +1,4 @@
import QtQuick 2.2
import QtQuick 2.4
import QtQuick.Dialogs 1.1
MessageDialog {

4
qml/cell.qml
View File

@ -1,10 +1,8 @@
import QtQuick 2.0
import QtQuick 2.4
Rectangle {
enabled: true
objectName: "cellRect"
property int index: 0
width: 100
height: 100
border.width: 2
border.color: "black"

16
qml/img.qml Normal file
View File

@ -0,0 +1,16 @@
import QtQuick 2.4
Image {
id: img
antialiasing: true
source: "image://images/"
objectName: "cellImg"
property int index: 0
height: 150
transformOrigin: Item.TopLeft
fillMode: Image.PreserveAspectFit
anchors.right: parent.right
anchors.left: parent.left
Layout.minimumHeight: 100
Layout.maximumHeight: 200
}