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8968704de2
This applies to widgets whose Options depend on user data. Documenting this in the docs and on API and protecting against this condition in the affected widgets.
75 lines
2.7 KiB
Go
75 lines
2.7 KiB
Go
// Copyright 2018 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package testdraw provides helpers for tests that use the draw package.
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package testdraw
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import (
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"fmt"
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"image"
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"github.com/mum4k/termdash/canvas"
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"github.com/mum4k/termdash/canvas/braille"
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"github.com/mum4k/termdash/draw"
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)
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// MustBorder draws border on the canvas or panics.
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func MustBorder(c *canvas.Canvas, border image.Rectangle, opts ...draw.BorderOption) {
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if err := draw.Border(c, border, opts...); err != nil {
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panic(fmt.Sprintf("draw.Border => unexpected error: %v", err))
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}
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}
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// MustText draws the text on the canvas or panics.
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func MustText(c *canvas.Canvas, text string, start image.Point, opts ...draw.TextOption) {
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if err := draw.Text(c, text, start, opts...); err != nil {
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panic(fmt.Sprintf("draw.Text => unexpected error: %v", err))
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}
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}
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// MustRectangle draws the rectangle on the canvas or panics.
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func MustRectangle(c *canvas.Canvas, r image.Rectangle, opts ...draw.RectangleOption) {
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if err := draw.Rectangle(c, r, opts...); err != nil {
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panic(fmt.Sprintf("draw.Rectangle => unexpected error: %v", err))
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}
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}
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// MustHVLines draws the vertical / horizontal lines or panics.
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func MustHVLines(c *canvas.Canvas, lines []draw.HVLine, opts ...draw.HVLineOption) {
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if err := draw.HVLines(c, lines, opts...); err != nil {
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panic(fmt.Sprintf("draw.HVLines => unexpected error: %v", err))
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}
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}
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// MustBrailleLine draws the braille line or panics.
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func MustBrailleLine(bc *braille.Canvas, start, end image.Point, opts ...draw.BrailleLineOption) {
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if err := draw.BrailleLine(bc, start, end, opts...); err != nil {
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panic(fmt.Sprintf("draw.BrailleLine => unexpected error: %v", err))
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}
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}
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// MustBrailleCircle draws the braille circle or panics.
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func MustBrailleCircle(bc *braille.Canvas, mid image.Point, radius int, opts ...draw.BrailleCircleOption) {
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if err := draw.BrailleCircle(bc, mid, radius, opts...); err != nil {
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panic(fmt.Sprintf("draw.BrailleCircle => unexpected error: %v", err))
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}
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}
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// MustResizeNeeded draws the character or panics.
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func MustResizeNeeded(cvs *canvas.Canvas) {
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if err := draw.ResizeNeeded(cvs); err != nil {
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panic(fmt.Sprintf("draw.ResizeNeeded => unexpected error: %v", err))
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}
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}
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