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Examples: Using IM_OFFSETOF macro. + Comments
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@ -28,8 +28,6 @@ static double g_Time = 0.0;
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static ALLEGRO_MOUSE_CURSOR* g_MouseCursorInvisible = NULL;
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static ALLEGRO_VERTEX_DECL* g_VertexDecl = NULL;
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#define OFFSETOF(TYPE, ELEMENT) ((size_t)&(((TYPE *)0)->ELEMENT))
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struct ImDrawVertAllegro
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{
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ImVec2 pos;
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@ -162,9 +160,9 @@ bool ImGui_ImplA5_Init(ALLEGRO_DISPLAY* display)
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// We still use a custom declaration to use 'ALLEGRO_PRIM_TEX_COORD' instead of 'ALLEGRO_PRIM_TEX_COORD_PIXEL' else we can't do a reliable conversion.
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ALLEGRO_VERTEX_ELEMENT elems[] =
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{
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{ ALLEGRO_PRIM_POSITION, ALLEGRO_PRIM_FLOAT_2, OFFSETOF(ImDrawVertAllegro, pos) },
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{ ALLEGRO_PRIM_TEX_COORD, ALLEGRO_PRIM_FLOAT_2, OFFSETOF(ImDrawVertAllegro, uv) },
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{ ALLEGRO_PRIM_COLOR_ATTR, 0, OFFSETOF(ImDrawVertAllegro, col) },
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{ ALLEGRO_PRIM_POSITION, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, pos) },
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{ ALLEGRO_PRIM_TEX_COORD, ALLEGRO_PRIM_FLOAT_2, IM_OFFSETOF(ImDrawVertAllegro, uv) },
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{ ALLEGRO_PRIM_COLOR_ATTR, 0, IM_OFFSETOF(ImDrawVertAllegro, col) },
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{ 0, 0, 0 }
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};
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g_VertexDecl = al_create_vertex_decl(elems, sizeof(ImDrawVertAllegro));
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