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Diffstat (limited to 'src/libui_sdl/OSD.cpp')
| -rw-r--r-- | src/libui_sdl/OSD.cpp | 435 |
1 files changed, 0 insertions, 435 deletions
diff --git a/src/libui_sdl/OSD.cpp b/src/libui_sdl/OSD.cpp deleted file mode 100644 index a01e39b..0000000 --- a/src/libui_sdl/OSD.cpp +++ /dev/null @@ -1,435 +0,0 @@ -/* - Copyright 2016-2020 Arisotura - - 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/. -*/ - -#include <stdio.h> -#include <string.h> -#include <deque> -#include <SDL2/SDL.h> -#include "../types.h" - -#include "libui/ui.h" -#include "../OpenGLSupport.h" - -#include "OSD.h" -#include "font.h" - -#include "PlatformConfig.h" - -extern int WindowWidth, WindowHeight; - -namespace OSD -{ - -const u32 kOSDMargin = 6; - -struct Item -{ - Uint32 Timestamp; - char Text[256]; - u32 Color; - - u32 Width, Height; - u32* Bitmap; - - bool DrawBitmapLoaded; - uiDrawBitmap* DrawBitmap; - - bool GLTextureLoaded; - GLuint GLTexture; - -}; - -std::deque<Item> ItemQueue; - -GLint uOSDPos, uOSDSize; -GLuint OSDVertexArray; -GLuint OSDVertexBuffer; - -volatile bool Rendering; - - -bool Init(bool opengl) -{ - if (opengl) - { - GLuint prog; glGetIntegerv(GL_CURRENT_PROGRAM, (GLint*)&prog); - uOSDPos = glGetUniformLocation(prog, "uOSDPos"); - uOSDSize = glGetUniformLocation(prog, "uOSDSize"); - - float vertices[6*2] = - { - 0, 0, - 1, 1, - 1, 0, - 0, 0, - 0, 1, - 1, 1 - }; - - glGenBuffers(1, &OSDVertexBuffer); - glBindBuffer(GL_ARRAY_BUFFER, OSDVertexBuffer); - glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW); - - glGenVertexArrays(1, &OSDVertexArray); - glBindVertexArray(OSDVertexArray); - glEnableVertexAttribArray(0); // position - glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, (void*)(0)); - } - - return true; -} - -void DeInit(bool opengl) -{ - for (auto it = ItemQueue.begin(); it != ItemQueue.end(); ) - { - Item& item = *it; - - if (item.DrawBitmapLoaded && item.DrawBitmap) uiDrawFreeBitmap(item.DrawBitmap); - if (item.GLTextureLoaded && opengl) glDeleteTextures(1, &item.GLTexture); - if (item.Bitmap) delete[] item.Bitmap; - - it = ItemQueue.erase(it); - } -} - - -int FindBreakPoint(const char* text, int i) -{ - // i = character that went out of bounds - - for (int j = i; j >= 0; j--) - { - if (text[j] == ' ') - return j; - } - - return i; -} - -void LayoutText(const char* text, u32* width, u32* height, int* breaks) -{ - u32 w = 0; - u32 h = 14; - u32 totalw = 0; - u32 maxw = WindowWidth - (kOSDMargin*2); - int lastbreak = -1; - int numbrk = 0; - u16* ptr; - - memset(breaks, 0, sizeof(int)*64); - - for (int i = 0; text[i] != '\0'; ) - { - int glyphsize; - if (text[i] == ' ') - { - glyphsize = 6; - } - else - { - u32 ch = text[i]; - if (ch < 0x10 || ch > 0x7E) ch = 0x7F; - - ptr = &font[(ch-0x10) << 4]; - glyphsize = ptr[0]; - if (!glyphsize) glyphsize = 6; - else glyphsize += 2; // space around the character - } - - w += glyphsize; - if (w > maxw) - { - // wrap shit as needed - if (text[i] == ' ') - { - if (numbrk >= 64) break; - breaks[numbrk++] = i; - i++; - } - else - { - int brk = FindBreakPoint(text, i); - if (brk != lastbreak) i = brk; - - if (numbrk >= 64) break; - breaks[numbrk++] = i; - - lastbreak = brk; - } - - w = 0; - h += 14; - } - else - i++; - - if (w > totalw) totalw = w; - } - - *width = totalw; - *height = h; -} - -u32 RainbowColor(u32 inc) -{ - // inspired from Acmlmboard - - if (inc < 100) return 0xFFFF9B9B + (inc << 8); - else if (inc < 200) return 0xFFFFFF9B - ((inc-100) << 16); - else if (inc < 300) return 0xFF9BFF9B + (inc-200); - else if (inc < 400) return 0xFF9BFFFF - ((inc-300) << 8); - else if (inc < 500) return 0xFF9B9BFF + ((inc-400) << 16); - else return 0xFFFF9BFF - (inc-500); -} - -void RenderText(u32 color, const char* text, Item* item) -{ - u32 w, h; - int breaks[64]; - - bool rainbow = (color == 0); - u32 rainbowinc = ((text[0] * 17) + (SDL_GetTicks() * 13)) % 600; - - color |= 0xFF000000; - const u32 shadow = 0xE0000000; - - LayoutText(text, &w, &h, breaks); - - item->Width = w; - item->Height = h; - item->Bitmap = new u32[w*h]; - memset(item->Bitmap, 0, w*h*sizeof(u32)); - - u32 x = 0, y = 1; - u32 maxw = WindowWidth - (kOSDMargin*2); - int curline = 0; - u16* ptr; - - for (int i = 0; text[i] != '\0'; ) - { - int glyphsize; - if (text[i] == ' ') - { - x += 6; - } - else - { - u32 ch = text[i]; - if (ch < 0x10 || ch > 0x7E) ch = 0x7F; - - ptr = &font[(ch-0x10) << 4]; - int glyphsize = ptr[0]; - if (!glyphsize) x += 6; - else - { - x++; - - if (rainbow) - { - color = RainbowColor(rainbowinc); - rainbowinc = (rainbowinc + 30) % 600; - } - - // draw character - for (int cy = 0; cy < 12; cy++) - { - u16 val = ptr[4+cy]; - - for (int cx = 0; cx < glyphsize; cx++) - { - if (val & (1<<cx)) - item->Bitmap[((y+cy) * w) + x+cx] = color; - } - } - - x += glyphsize; - x++; - } - } - - i++; - if (breaks[curline] && i >= breaks[curline]) - { - i = breaks[curline++]; - if (text[i] == ' ') i++; - - x = 0; - y += 14; - } - } - - // shadow - for (y = 0; y < h; y++) - { - for (x = 0; x < w; x++) - { - u32 val; - - val = item->Bitmap[(y * w) + x]; - if ((val >> 24) == 0xFF) continue; - - if (x > 0) val = item->Bitmap[(y * w) + x-1]; - if (x < w-1) val |= item->Bitmap[(y * w) + x+1]; - if (y > 0) - { - if (x > 0) val |= item->Bitmap[((y-1) * w) + x-1]; - val |= item->Bitmap[((y-1) * w) + x]; - if (x < w-1) val |= item->Bitmap[((y-1) * w) + x+1]; - } - if (y < h-1) - { - if (x > 0) val |= item->Bitmap[((y+1) * w) + x-1]; - val |= item->Bitmap[((y+1) * w) + x]; - if (x < w-1) val |= item->Bitmap[((y+1) * w) + x+1]; - } - - if ((val >> 24) == 0xFF) - item->Bitmap[(y * w) + x] = shadow; - } - } -} - - -void AddMessage(u32 color, const char* text) -{ - if (!Config::ShowOSD) return; - - while (Rendering); - - Item item; - - item.Timestamp = SDL_GetTicks(); - strncpy(item.Text, text, 255); item.Text[255] = '\0'; - item.Color = color; - item.Bitmap = NULL; - - item.DrawBitmapLoaded = false; - item.GLTextureLoaded = false; - - ItemQueue.push_back(item); -} - -void WindowResized(bool opengl) -{ - /*for (auto it = ItemQueue.begin(); it != ItemQueue.end(); ) - { - Item& item = *it; - - if (item->DrawBitmapLoaded && item->DrawBitmap) uiDrawFreeBitmap(item->DrawBitmap); - //if (item->GLTextureLoaded && opengl) glDeleteTextures(1, &item->GLTexture); - - item->DrawBitmapLoaded = false; - item->GLTextureLoaded = false; - - if (item->Bitmap) delete[] item->Bitmap; - - it++; - }*/ -} - -void Update(bool opengl, uiAreaDrawParams* params) -{ - if (!Config::ShowOSD) - { - Rendering = true; - if (ItemQueue.size() > 0) DeInit(opengl); - Rendering = false; - return; - } - - Rendering = true; - - Uint32 tick_now = SDL_GetTicks(); - Uint32 tick_min = tick_now - 2500; - u32 y = kOSDMargin; - - if (opengl) - { - glBindBuffer(GL_ARRAY_BUFFER, OSDVertexBuffer); - glBindVertexArray(OSDVertexArray); - - glActiveTexture(GL_TEXTURE0); - - glEnable(GL_BLEND); - glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA); - } - - for (auto it = ItemQueue.begin(); it != ItemQueue.end(); ) - { - Item& item = *it; - - if (item.Timestamp < tick_min) - { - if (item.DrawBitmapLoaded && item.DrawBitmap) uiDrawFreeBitmap(item.DrawBitmap); - if (item.GLTextureLoaded && opengl) glDeleteTextures(1, &item.GLTexture); - if (item.Bitmap) delete[] item.Bitmap; - - it = ItemQueue.erase(it); - continue; - } - - if (!item.Bitmap) - { - RenderText(item.Color, item.Text, &item); - } - - if (opengl) - { - if (!item.GLTextureLoaded) - { - glGenTextures(1, &item.GLTexture); - glBindTexture(GL_TEXTURE_2D, item.GLTexture); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, item.Width, item.Height, 0, GL_RGBA, GL_UNSIGNED_BYTE, item.Bitmap); - - item.GLTextureLoaded = true; - } - - glBindTexture(GL_TEXTURE_2D, item.GLTexture); - glUniform2i(uOSDPos, kOSDMargin, y); - glUniform2i(uOSDSize, item.Width, item.Height); - glDrawArrays(GL_TRIANGLES, 0, 2*3); - } - else - { - if (!item.DrawBitmapLoaded) - { - item.DrawBitmap = uiDrawNewBitmap(params->Context, item.Width, item.Height, 1); - uiDrawBitmapUpdate(item.DrawBitmap, item.Bitmap); - - item.DrawBitmapLoaded = true; - } - - uiRect rc_src = {0, 0, item.Width, item.Height}; - uiRect rc_dst = {kOSDMargin, y, item.Width, item.Height}; - - uiDrawBitmapDraw(params->Context, item.DrawBitmap, &rc_src, &rc_dst, 0); - } - - y += item.Height; - it++; - } - - Rendering = false; -} - -} |