71 lines
2.0 KiB
Go
71 lines
2.0 KiB
Go
package layout_test
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import (
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"testing"
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"time"
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"git.eeqj.de/sneak/hdmistat/internal/fbdraw"
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"git.eeqj.de/sneak/hdmistat/internal/layout"
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)
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// ExampleScreen shows how to create a screen that implements FrameGenerator
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type ExampleScreen struct {
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name string
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fps float64
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width int
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height int
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}
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func (s *ExampleScreen) GenerateFrame(grid *fbdraw.CharGrid) error {
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// Create a draw context that works on the provided grid
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draw := layout.NewDraw(grid)
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// Clear the screen
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draw.Clear()
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// Draw a title
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draw.Color(layout.Color("cyan")).Bold()
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draw.TextCenter(0, 2, "Example Screen: %s", s.name)
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// Create a grid for structured layout
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contentGrid := draw.Grid(5, 5, 70, 20)
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contentGrid.Border(layout.Color("gray50"))
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// Add some content
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contentGrid.Color(layout.Color("white")).WriteCenter(1, "Current Time: %s", time.Now().Format("15:04:05"))
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// Draw a progress bar
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contentGrid.Color(layout.Color("green")).Bar(10, 5, 50, 75.0, layout.Color("green"))
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// Add system stats
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contentGrid.Color(layout.Color("yellow")).Write(2, 8, "CPU: %.1f%%", 42.5)
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contentGrid.Color(layout.Color("orange")).Write(2, 9, "Memory: %s / %s", layout.Bytes(4*1024*1024*1024), layout.Bytes(16*1024*1024*1024))
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return nil
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}
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func (s *ExampleScreen) FramesPerSecond() float64 {
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return s.fps
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}
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func (s *ExampleScreen) Init(width, height int) error {
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s.width = width
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s.height = height
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return nil
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}
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func TestExampleUsage(t *testing.T) {
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// This is just an example - in real usage you'd use NewFBDisplayAuto()
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// For testing we'll skip since we don't have a framebuffer
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t.Skip("Example test - requires framebuffer")
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// Add screens
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_ = carousel.AddScreen("Dashboard", &ExampleScreen{name: "Dashboard", fps: 1.0})
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_ = carousel.AddScreen("System Monitor", &ExampleScreen{name: "System Monitor", fps: 2.0})
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_ = carousel.AddScreen("Network Stats", &ExampleScreen{name: "Network Stats", fps: 0.5})
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// In a real application, you would run this in a goroutine
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// ctx := context.Background()
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// go carousel.Run(ctx)
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}
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