mirror of
https://github.com/JetSetIlly/Gopher2600.git
synced 2025-04-02 11:02:17 -04:00
800b2d7005
single, flicker and composite replaced with single, double, triple added a new movement mode (hotkey alt-F12). this tries to recreate the old composite mode screenshotting is now much simpler and uses gl.ReadPixels() to capture the screen buffer as it is displayed currently include any windows and icons etc that have also been drawn to the screen
83 lines
2.3 KiB
Go
83 lines
2.3 KiB
Go
// This file is part of Gopher2600.
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//
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// Gopher2600 is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Gopher2600 is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Gopher2600. If not, see <https://www.gnu.org/licenses/>.
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package sdlimgui
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import (
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"fmt"
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"image"
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"image/jpeg"
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"os"
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"github.com/jetsetilly/gopher2600/logger"
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"github.com/jetsetilly/gopher2600/resources/unique"
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)
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func (img *SdlImgui) screenshot(mode screenshotMode, filenameSuffix string) {
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finish := make(chan screenshotResult, 1)
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img.rnd.screenshot(mode, finish)
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// we'll be waiting on the screenshot completion in another goroutine and we
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// don't want to be accessing the cache from there. so we make a copy of the
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// cartridge name value
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cartName := img.cache.VCS.Mem.Cart.ShortName
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go func() {
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// wait for result and log any errors
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res := <-finish
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if res.err != nil {
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logger.Log(logger.Allow, "screenshot", res.err)
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return
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}
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// prepare file path for when the image needs to be saved
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var path string
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if len(filenameSuffix) == 0 {
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path = unique.Filename("scrshot", cartName)
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} else {
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path = fmt.Sprintf("%s_%s", cartName, filenameSuffix)
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}
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path = fmt.Sprintf("%s_%s.jpg", path, res.description)
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// save image to file as a JPEG
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saveJPEG(res.image, path)
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}()
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}
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// saveJPEG writes the texture to the specified path.
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func saveJPEG(rgba *image.RGBA, path string) {
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f, err := os.Create(path)
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if err != nil {
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logger.Logf(logger.Allow, "screenshot", "save failed: %v", err)
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return
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}
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err = jpeg.Encode(f, rgba, &jpeg.Options{Quality: 100})
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if err != nil {
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logger.Logf(logger.Allow, "screenshot", "save failed: %v", err)
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_ = f.Close()
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return
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}
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err = f.Close()
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if err != nil {
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logger.Logf(logger.Allow, "screenshot", "save failed: %v", err)
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return
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}
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// indicate success
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logger.Logf(logger.Allow, "screenshot", "saved: %s", path)
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}
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