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| /* | ||
| Copyright 2016-2022 melonDS team | ||
| This file is part of melonDS. | ||
| melonDS is free software: you can redistribute it and/or modify it under | ||
| the terms of the GNU General Public License as published by the Free | ||
| Software Foundation, either version 3 of the License, or (at your option) | ||
| any later version. | ||
| melonDS is distributed in the hope that it will be useful, but WITHOUT ANY | ||
| WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | ||
| FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. | ||
| You should have received a copy of the GNU General Public License along | ||
| with melonDS. If not, see http://www.gnu.org/licenses/. | ||
| */ | ||
|
|
||
| #ifndef FRONTENDUTIL_H | ||
| #define FRONTENDUTIL_H | ||
|
|
||
| #include "types.h" | ||
|
|
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| #include <string> | ||
| #include <vector> | ||
|
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| namespace Frontend | ||
| { | ||
|
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| // setup the display layout based on the provided display size and parameters | ||
| // * screenWidth/screenHeight: size of the host display | ||
| // * screenLayout: how the DS screens are laid out | ||
| // 0 = natural (top screen above bottom screen always) | ||
| // 1 = vertical | ||
| // 2 = horizontal | ||
| // 3 = hybrid | ||
| // * rotation: angle at which the DS screens are presented: 0/1/2/3 = 0/90/180/270 | ||
| // * sizing: how the display size is shared between the two screens | ||
| // 0 = even (both screens get same size) | ||
| // 1 = emphasize top screen (make top screen as big as possible, fit bottom screen in remaining space) | ||
| // 2 = emphasize bottom screen | ||
| // 4 = top only | ||
| // 5 = bottom only | ||
| // * screenGap: size of the gap between the two screens | ||
| // * integerScale: force screens to be scaled up at integer scaling factors | ||
| // * screenSwap: whether to swap the position of both screens | ||
| // * topAspect/botAspect: ratio by which to scale the top and bottom screen respectively | ||
| void SetupScreenLayout(int screenWidth, int screenHeight, | ||
| int screenLayout, | ||
| int rotation, | ||
| int sizing, | ||
| int screenGap, | ||
| bool integerScale, | ||
| bool swapScreens, | ||
| float topAspect, float botAspect); | ||
|
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| const int MaxScreenTransforms = 3; | ||
|
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| // get a 2x3 transform matrix for each screen and whether it's a top or bottom screen | ||
| // note: the transform assumes an origin point at the top left of the display, | ||
| // X going right and Y going down | ||
| // for each screen the source coordinates should be (0,0) and (256,192) | ||
| // 'out' should point to an array of 6*MaxScreenTransforms floats | ||
| // 'kind' should point to an array of MaxScreenTransforms ints | ||
| // (0 = indicates top screen, 1 = bottom screen) | ||
| // returns the amount of screens | ||
| int GetScreenTransforms(float* out, int* kind); | ||
|
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||
| // de-transform the provided host display coordinates to get coordinates | ||
| // on the bottom screen | ||
| bool GetTouchCoords(int& x, int& y, bool clamp); | ||
|
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|
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| // initialize the audio utility | ||
| void Init_Audio(int outputfreq); | ||
|
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| // get how many samples to read from the core audio output | ||
| // based on how many are needed by the frontend (outlen in samples) | ||
| int AudioOut_GetNumSamples(int outlen); | ||
|
|
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| // resample audio from the core audio output to match the frontend's | ||
| // output frequency, and apply specified volume | ||
| // note: this assumes the output buffer is interleaved stereo | ||
| void AudioOut_Resample(s16* inbuf, int inlen, s16* outbuf, int outlen, int volume); | ||
|
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| // feed silence to the microphone input | ||
| void Mic_FeedSilence(); | ||
|
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| // feed random noise to the microphone input | ||
| void Mic_FeedNoise(); | ||
|
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| // feed an external buffer to the microphone input | ||
| // buffer should be mono | ||
| void Mic_FeedExternalBuffer(); | ||
| void Mic_SetExternalBuffer(s16* buffer, u32 len); | ||
|
|
||
| } | ||
|
|
||
| #endif // FRONTENDUTIL_H | ||
| /* | ||
| Copyright 2016-2022 melonDS team | ||
| This file is part of melonDS. | ||
| melonDS is free software: you can redistribute it and/or modify it under | ||
| the terms of the GNU General Public License as published by the Free | ||
| Software Foundation, either version 3 of the License, or (at your option) | ||
| any later version. | ||
| melonDS is distributed in the hope that it will be useful, but WITHOUT ANY | ||
| WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | ||
| FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. | ||
| You should have received a copy of the GNU General Public License along | ||
| with melonDS. If not, see http://www.gnu.org/licenses/. | ||
| */ | ||
|
|
||
| #ifndef FRONTENDUTIL_H | ||
| #define FRONTENDUTIL_H | ||
|
|
||
| #include "types.h" | ||
|
|
||
| #include <string> | ||
| #include <vector> | ||
|
|
||
| namespace Frontend | ||
| { | ||
|
|
||
| enum ScreenLayout | ||
| { | ||
| screenLayout_Natural, // top screen above bottom screen always | ||
| screenLayout_Horizontal, | ||
| screenLayout_Vertical, | ||
| screenLayout_Hybrid, | ||
| screenLayout_MAX, | ||
| }; | ||
|
|
||
| enum ScreenRotation | ||
| { | ||
| screenRot_0Deg, | ||
| screenRot_90Deg, | ||
| screenRot_180Deg, | ||
| screenRot_270Deg, | ||
| screenRot_MAX, | ||
| }; | ||
|
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||
| enum ScreenSizing | ||
| { | ||
| screenSizing_Even, // both screens get same size | ||
| screenSizing_EmphTop, // make top screen as big as possible, fit bottom screen in remaining space | ||
| screenSizing_EmphBot, | ||
| screenSizing_Auto, // not applied in SetupScreenLayout | ||
| screenSizing_TopOnly, | ||
| screenSizing_BotOnly, | ||
| screenSizing_MAX, | ||
| }; | ||
|
|
||
| // setup the display layout based on the provided display size and parameters | ||
| // * screenWidth/screenHeight: size of the host display | ||
| // * screenLayout: how the DS screens are laid out | ||
| // * rotation: angle at which the DS screens are presented | ||
| // * sizing: how the display size is shared between the two screens | ||
| // * screenGap: size of the gap between the two screens in pixels | ||
| // * integerScale: force screens to be scaled up at integer scaling factors | ||
| // * screenSwap: whether to swap the position of both screens | ||
| // * topAspect/botAspect: ratio by which to scale the top and bottom screen respectively | ||
| void SetupScreenLayout(int screenWidth, int screenHeight, | ||
| ScreenLayout screenLayout, | ||
| ScreenRotation rotation, | ||
| ScreenSizing sizing, | ||
| int screenGap, | ||
| bool integerScale, | ||
| bool swapScreens, | ||
| float topAspect, float botAspect); | ||
|
|
||
| const int MaxScreenTransforms = 3; | ||
|
|
||
| // get a 2x3 transform matrix for each screen and whether it's a top or bottom screen | ||
| // note: the transform assumes an origin point at the top left of the display, | ||
| // X going right and Y going down | ||
| // for each screen the source coordinates should be (0,0) and (256,192) | ||
| // 'out' should point to an array of 6*MaxScreenTransforms floats | ||
| // 'kind' should point to an array of MaxScreenTransforms ints | ||
| // (0 = indicates top screen, 1 = bottom screen) | ||
| // returns the amount of screens | ||
| int GetScreenTransforms(float* out, int* kind); | ||
|
|
||
| // de-transform the provided host display coordinates to get coordinates | ||
| // on the bottom screen | ||
| bool GetTouchCoords(int& x, int& y, bool clamp); | ||
|
|
||
|
|
||
| // initialize the audio utility | ||
| void Init_Audio(int outputfreq); | ||
|
|
||
| // get how many samples to read from the core audio output | ||
| // based on how many are needed by the frontend (outlen in samples) | ||
| int AudioOut_GetNumSamples(int outlen); | ||
|
|
||
| // resample audio from the core audio output to match the frontend's | ||
| // output frequency, and apply specified volume | ||
| // note: this assumes the output buffer is interleaved stereo | ||
| void AudioOut_Resample(s16* inbuf, int inlen, s16* outbuf, int outlen, int volume); | ||
|
|
||
| // feed silence to the microphone input | ||
| void Mic_FeedSilence(); | ||
|
|
||
| // feed random noise to the microphone input | ||
| void Mic_FeedNoise(); | ||
|
|
||
| // feed an external buffer to the microphone input | ||
| // buffer should be mono | ||
| void Mic_FeedExternalBuffer(); | ||
| void Mic_SetExternalBuffer(s16* buffer, u32 len); | ||
|
|
||
| } | ||
|
|
||
| #endif // FRONTENDUTIL_H |
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