mirror of
https://github.com/hajimehoshi/ebiten.git
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83 lines
2.4 KiB
Go
83 lines
2.4 KiB
Go
// Copyright 2014 Hajime Hoshi
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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 ebiten
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import (
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"github.com/hajimehoshi/ebiten/internal/graphics"
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"github.com/hajimehoshi/ebiten/internal/opengl"
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"github.com/hajimehoshi/ebiten/internal/ui"
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"image"
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)
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// IsKeyPressed returns a boolean indicating whether key is pressed.
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func IsKeyPressed(key Key) bool {
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return ui.IsKeyPressed(ui.Key(key))
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}
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// CursorPosition returns a position of a mouse cursor.
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func CursorPosition() (x, y int) {
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return ui.CursorPosition()
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}
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// IsMouseButtonPressed returns a boolean indicating whether mouseButton is pressed.
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func IsMouseButtonPressed(mouseButton MouseButton) bool {
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return ui.IsMouseButtonPressed(ui.MouseButton(mouseButton))
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}
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func GamepadAxis(j int, dir int) float64 {
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return ui.GamepadAxis(j, dir)
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}
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func IsGamepadButtonPressed(j int, button GamepadButton) bool {
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return ui.IsGamepadButtonPressed(j, ui.GamepadButton(button))
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}
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// NewImage returns an empty image.
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func NewImage(width, height int, filter Filter) (*Image, error) {
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var innerImage *innerImage
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var err error
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ui.Use(func(c *opengl.Context) {
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var texture *graphics.Texture
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texture, err = graphics.NewTexture(c, width, height, glFilter(c, filter))
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if err != nil {
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return
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}
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innerImage, err = newInnerImage(c, texture)
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innerImage.Clear(c)
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})
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if err != nil {
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return nil, err
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}
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return &Image{inner: innerImage}, nil
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}
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// NewImageFromImage creates a new image with the given image (img).
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func NewImageFromImage(img image.Image, filter Filter) (*Image, error) {
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var innerImage *innerImage
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var err error
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ui.Use(func(c *opengl.Context) {
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var texture *graphics.Texture
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texture, err = graphics.NewTextureFromImage(c, img, glFilter(c, filter))
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if err != nil {
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return
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}
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innerImage, err = newInnerImage(c, texture)
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})
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if err != nil {
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return nil, err
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}
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return &Image{inner: innerImage}, nil
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}
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